CN106915007A - The recovery method of continuous fiber reinforced thermoplastic composite material waste material and its application - Google Patents
The recovery method of continuous fiber reinforced thermoplastic composite material waste material and its application Download PDFInfo
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- CN106915007A CN106915007A CN201510992197.6A CN201510992197A CN106915007A CN 106915007 A CN106915007 A CN 106915007A CN 201510992197 A CN201510992197 A CN 201510992197A CN 106915007 A CN106915007 A CN 106915007A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/042—Mixing disintegrated particles or powders with other materials, e.g. with virgin materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/14—Copolymers of polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of recovery method of continuous fiber reinforced thermoplastic composite material waste material, comprise the following steps：Continuous fiber reinforced thermoplastic composite material waste material is sequentially passed through into cutting, washing, drying, crushing, lay flattening-out, continuous fibre enhancement resin prepreg or fiber-reinforced fabric are placed on the crushed material for laying flattening-out, then in turn through heating roll-in, cooling, curling, cutting, coiled material or sheet material are obtained.The invention also discloses the purposes that a kind of recovery method using the continuous fiber reinforced thermoplastic composite material waste material obtains product.Raw material and equipment used in the method for the present invention, including the selection to prepreg and forming method, can accomplish that equipment is simple, cheap, technological requirement is not high, reach low-energy-consumption high-efficiency.Product prepared by the method for the present invention, can be made as sheet material, coiled material, after completing, can make solid slab, battenboard；Occupation mode is various, recyclable to reuse.
Description
Technical field
The invention belongs to technical field of composite materials, it is related to a kind of recovery method of continuous fiber reinforced thermoplastic composite material waste material
And its application.
Background technology
With the development of composite, composite obtains widely should by its specific strength, the characteristic that specific stiffness is high, density is light
With one of trend of current composite development is to replace traditional thermoset epoxy composite with thermoplastic composite.It is former
Because because thermoplastic composite can be welded by simple heating, fusing and cooling shaping as metal,
Therefore, the development of thermoplastic composite can have a huge impact to market from now on.Traditional plastics recovery method, will be multiple
Condensation material is smashed, and fibre long is changed into carry out, from new granulation, greatly destroying fiber after short fibre, the hydraulic performance decline from after new granulation
A lot, the original characteristic of composite has been damaged.
The content of the invention
For the defect for overcoming above-mentioned prior art to exist, it is an object of the invention to provide a kind of simple and convenient continuous lod
The recovery method of thermoplastic composite waste material, compared with other processing methods, can to the full extent keep the characteristic of raw material,
Performance is reduced to damage.
To achieve the above object, the present invention uses following technical scheme：
A kind of recovery method of continuous fiber reinforced thermoplastic composite material waste material, comprises the following steps：
Continuous fiber reinforced thermoplastic composite material waste material is sequentially passed through into cutting, washing, drying, crushing, lay flattening-out,
Lay flattening-out crushed material on place continuous fibre enhancement resin prepreg or fiber-reinforced fabric, then in turn through heating roll-in,
Cooling, curling, cutting, obtain coiled material or sheet material.
The continuous fiber reinforced thermoplastic composite material waste material is continuous lod HOPP waste material, continuous lod
COPP waste material, continuous lod polyamide 66 waste material, continuous lod polyamide 1010 waste material, continuous fiber
At least one in the waste material of reinforced polyamide 1212.
The continuous fiber reinforced thermoplastic composite material waste material and continuous fibre enhancement resin prepreg or the weight of fiber-reinforced fabric
Amount is than being 2:1.
The continuous fibre enhancement resin prepreg is made up of the component of following weight portion：
45~50 parts of continuous fiber；
50~55 parts of thermoplastic resin.
The continuous fiber is selected from least one in inorganic continuous fiber, organic continuous fiber or metal continuous fiber.
The inorganic continuous fiber is selected from least one in glass fibre, carbon fiber, boron fibre or basalt fibre.
Organic continuous fiber is selected from least one in aromatic polyamide fibre or superhigh molecular weight polyethylene fibers.
The metal continuous fiber is stainless steel fibre.
The thermoplastic resin is selected from least one in polyolefin, polyamide.
The polyolefin is at least one in HOPP, COPP.
The polyamide is at least one in polyamide 66, polyamide 1010, polyamide 1212 etc..
The fiber-reinforced fabric be glass fiber reinforcing fabrics, fibre reinforced fabric, basalt fibre enhancing fabric in extremely
Few one kind, preferably glass fiber reinforcing fabrics.
The specification of the cutting should be less than 200 × 200mm.
The dry temperature is 100-200 DEG C, and the time is 1-10min.
The comminuted fibres length is not less than 15mm.
The grammes per square metre of the lay not should be greater than 1800g/ ㎡.
The temperature of the heating is 100-200 DEG C.
The pressure of the roll-in is 1-3MPa.
A kind of recovery method of utilization continuous fiber reinforced thermoplastic composite material waste material obtains the purposes of product, including following step
Suddenly：
The product obtained using the recovery method of continuous fiber reinforced thermoplastic composite material waste material is completed, and acquisition of being colded pressing after hot pressing is real
Core material；
Or, being completed using the product that the recovery method of continuous fiber reinforced thermoplastic composite material waste material is obtained, one side is placed above
Impregnation non-woven fabrics, the one side of one side impregnation non-woven cloth glue impregnating and the recovery side using continuous fiber reinforced thermoplastic composite material waste material
Then the one side contact of the product that method is obtained, a face adhesive coating of the one side impregnation non-woven fabrics without glue be placed above cellular board
Material, repaves above honeycomb board and puts one side impregnation non-woven fabrics, a face adhesive coating and cellular board of the one side impregnation non-woven fabrics without glue
Material is contacted, and is repaved above the one side of one side impregnation non-woven cloth glue impregnating and is put returning using continuous fiber reinforced thermoplastic composite material waste material
The product that receiving method is obtained, finally carries out hot pressing, colds pressing, and obtains honeycomb sandwich panel；
Or, being completed using the product that the recovery method of continuous fiber reinforced thermoplastic composite material waste material is obtained, knitted in fiber reinforcement
Adhesive coating on the face of thing, then lays polyurethane foam board, is laminated solidify afterwards, obtains polyurethane sandwich.
The pressure of the hot pressing is 1-3MPa, and the time is 1-30min, and temperature is 120-230 DEG C.
The time colded pressing is 1-30min.
The adhesive is at least one in phenolic resin, epoxide-resin glue.
The pressure of the lamination is 1-3MPa.
There is advantages below and beneficial effect due to using above-mentioned technical proposal, the present invention：
1st, the raw material and equipment used in the method for the present invention, including the selection to prepreg and forming method, can accomplish to set
Standby simple, cheap, technological requirement is not high, reaches low-energy-consumption high-efficiency.
2nd, the product prepared by the method for the present invention, continuous fiber is made with fibre mixed product long, performance drop by continuous fiber product
It is low small, and wherein contain reclaimed materials, economically and environmentally there is considerable benefit.
3rd, the product prepared by the method for the present invention, can be made as sheet material, coiled material, after completing, can make solid slab,
Battenboard；Occupation mode is various, and it is recyclable reuse, belong to green product technology.
Specific embodiment
With reference to embodiment, the present invention is further detailed explanation.
In the case of being clear to the purpose of the present invention by following examples, being explained, the component in embodiment is with weight
Part is released bright for the universal standard.In the case of without special instruction, for simplicity, " part " described in the embodiment of the present invention
There is identical meaning with weight portion.
Embodiment 1
Continuous fiber reinforced polypropylene material is reclaimed
First, continuous lod HOPP waste material is carried out into cutting process, continuous fiber is continuous glass fibre, is cut
As length × material of a width of 150 × 150mm, to be washed, dried process, dry condition is that temperature is 120 DEG C, is done
The dry time is 3min, and washing can be industrial wash basin or cleaning equipment, and drying can be set with industrial drying oven or air dry oven
It is standby, keep the drying of material.Dried material is crushed, is carried out according to different weight according to the thickness of done coiled material
Crushed material is laid, crushed material is carried out into lay flattening-out according to the grammes per square metre of 1200g/ ㎡, continuous fiber reinforced polypropylene prepreg is led to
Crossing traction and multiple roll-ins carries out pulling straight combing, places one layer on crushed material and pulls straight continuous fiber reinforced polypropylene resin prepreg
Material, continuous fiber reinforced polypropylene resin prepreg material includes 50 parts of continuous glass fibre；50 parts of thermoplastic resin HOPP.
Continuous lod HOPP waste material is 2 with the weight ratio of continuous fiber reinforced polypropylene resin prepreg material:1, start traction dress
Put, toggle speed is 0.8m/min, continuous fiber reinforced polypropylene prepreg is heated, start infrared baking oven, baking oven temperature
Degree is set to 140 DEG C, when crushed material and continuous fiber reinforced polypropylene prepreg by multiple metallic rolls by after heating, being carried out
Roll-in, is flattened, and the pressure of multiple metallic rolls should be reduced gradually, and highest roll-in is 3MPa, minimum 1MPa, to ensure
The planarization of its product.Cooling water is passed through in metallic roll to be cooled down, or carries out oil cooling, normal temperature cooling, when material is cooled to 50 DEG C
When following, batched or cut.The coiled material crimped after cutting is completed, paving to thickness is 3mm, is 180 DEG C in temperature,
To carry out hot pressing under conditions of 2MPa, hot pressing time is 10min to pressure, is then colded pressing again, and the time of colding pressing is 10min,
Obtain solid slab.
Embodiment 2
Continuous fiber reinforced polypropylene material is reclaimed
First, continuous lod COPP waste material is carried out into cutting process, continuous fiber is continuous glass fibre, is cut
As length × material of a width of 180 × 180mm, to be washed, dried process, dry condition is that temperature is 120 DEG C, is done
The dry time is 3min, and washing can be industrial wash basin or cleaning equipment, and drying can be set with industrial drying oven or air dry oven
It is standby, keep the drying of material.Dried material is crushed, is carried out according to different weight according to the thickness of done coiled material
Crushed material is laid, crushed material is carried out into lay flattening-out according to the grammes per square metre of 1200g/ ㎡, layer of glass placed on crushed material and is increased
Strong fabric, continuous lod COPP waste material is 2 with the weight ratio of glass fiber reinforcing fabrics:1.Start draw-gear,
Toggle speed is 0.8m/min, is heated, and starts infrared baking oven, and oven temperature is set to 140 DEG C, when crushed material and glass
Fiber-reinforced fabric is flattened by after heating, roll-in being carried out by multiple metallic rolls, and the pressure of multiple metallic rolls gradually drops
Low, highest roll-in is 3MPa, minimum 1MPa, to ensure the planarization of its product.Be passed through in metallic roll cooling water carry out it is cold
But, or carry out oil cooling, normal temperature cooling, when material is cooled to below 50 DEG C, is batched or cut.Curling is cut
Coiled material afterwards is completed, paving to thickness be 3mm, temperature be 180 DEG C, pressure be 2MPa under conditions of carry out hot pressing, hot pressing
Time is 10min, is then colded pressing again, and the time of colding pressing, for 10min, obtains solid slab.
Embodiment 3
Continuous fiber reinforced polypropylene material is reclaimed
First, continuous lod COPP waste material is carried out into cutting process, continuous fiber is continuous glass fibre, is cut
As length × material of a width of 150 × 150mm, to be washed, dried process, dry condition is that temperature is 120 DEG C, is done
The dry time is 3min, and washing can be industrial wash basin or cleaning equipment, and drying can be set with industrial drying oven or air dry oven
It is standby, keep the drying of material.Dried material is crushed, is carried out according to different weight according to the thickness of done coiled material
Crushed material is laid, crushed material is carried out into lay flattening-out according to the grammes per square metre of 1600g/ ㎡, continuous fiber reinforced polypropylene prepreg is led to
Crossing traction and multiple roll-ins carries out pulling straight combing, places one layer on crushed material and pulls straight continuous fiber reinforced polypropylene prepreg,
Continuous fiber reinforced polypropylene prepreg includes 50 parts of continuous glass fibre；50 parts of thermoplastic resin COPP.It is continuous fine
Dimension enhancing COPP waste material is 2 with the weight ratio of continuous fiber reinforced polypropylene prepreg:1.Draw-gear is started, starts speed
It is 0.8m/min to spend, and is heated, and starts infrared baking oven, and oven temperature is set to 140 DEG C, when crushed material and continuous fiber increase
Strong polypropylene prepreg is flattened by after heating, roll-in being carried out by multiple metallic rolls, and the pressure of multiple metallic rolls is gradually
Reduce, highest roll-in is 3MPa, minimum 1MPa, to ensure the planarization of its product.Cooling water is passed through in metallic roll to be carried out
Cooling, or oil cooling, normal temperature cooling are carried out, when material is cooled to below 50 DEG C, is batched or cut.Curling is cut
Coiled material after cutting is completed, and paving to thickness is 3mm, is 180 DEG C in temperature, and pressure is warm to carry out hot pressing under conditions of 2MPa
The pressure time is 10min, is then colded pressing again, and the time of colding pressing, for 10min, obtains solid slab.
Embodiment 4
Continuous lod polyamide material is reclaimed
First, continuous lod polyamide 66 waste material is carried out into cutting process, continuous fiber is continuous basalt fiber, is cut
As length × material of a width of 150 × 150mm, to be washed, dried process, dry condition is that temperature is 150 DEG C, is done
The dry time is 2min, and washing can be industrial wash basin or cleaning equipment, and drying can be set with industrial drying oven or air dry oven
It is standby, keep the drying of material.Dried material is crushed, is carried out according to different weight according to the thickness of done coiled material
Crushed material is laid, crushed material is carried out into lay flattening-out according to the grammes per square metre of 1200g/ ㎡, continuous lod polyamide prepreg is led to
Crossing traction and multiple roll-ins carries out pulling straight combing, places one layer on crushed material and pulls straight continuous lod polyamide prepreg,
Continuous lod polyamide prepreg includes 50 parts of continuous basalt fiber；50 parts of thermoplastic polyamide resins 66.It is continuous fine
The dimension waste material of reinforced polyamide 66 is 2 with the weight ratio of continuous lod polyamide prepreg:1, draw-gear is started, start speed
It is 0.8m/min to spend, and is heated, and starts infrared baking oven, and oven temperature is set to 190 DEG C, when crushed material and continuous fiber increase
Strong polyamide prepreg is flattened by after heating, roll-in being carried out by multiple metallic rolls, and the pressure of multiple metallic rolls is gradually
Reduce, highest roll-in is 3MPa, minimum 1MPa, to ensure the planarization of its product.Cooling water is passed through in metallic roll to be carried out
Cooling, or oil cooling, normal temperature cooling are carried out, when material is cooled to below 50 DEG C, is batched or cut.Curling is cut
Coiled material after cutting is completed, and paving to thickness is 3mm, is 230 DEG C in temperature, and pressure is warm to carry out hot pressing under conditions of 2MPa
The pressure time is 10min, is then colded pressing again, and the time of colding pressing, for 10min, obtains solid slab.The reality that embodiment 1~4 is obtained
The performance test results of core material are as shown in table 1.
Table 1
| Performance | Method of testing | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Bending property | GB/T 9341-2000 | MPa | 210 | 180 | 230 | 250 |
| Bending modulus | GB/T 9341-2000 | GPa | 10 | 8 | 11 | 13 |
| Tensile break strength | GB/T 1040-2006 | MPa | 213 | 179 | 226 | 254 |
| Impact strength | JG 149-2003 | 145 | 134 | 151 | 118 |
From table 1 it follows that using prepreg than the performance in embodiment 2 using glass fiber reinforcing fabrics in embodiment 1
Height, the big performance of the grammes per square metre of the particle performance smaller than grammes per square metre is high, and the intensity of different matrix is also different, it can be seen that, Ke Yiyi
The greatest benefit of economic interests is embodied according to its performance and actual application environment.
Embodiment 5
Continuous fiber reinforced polypropylene material is reclaimed
First, continuous lod COPP waste material is carried out into cutting process, continuous fiber is continuous glass fibre, is cut
As length × material of a width of 150 × 150mm, to be washed, dried process, dry condition is that temperature is 120 DEG C, is done
The dry time is 3min, and washing can be industrial wash basin or cleaning equipment, and drying can be set with industrial drying oven or air dry oven
It is standby, keep the drying of material.Dried material is crushed, is carried out according to different weight according to the thickness of done coiled material
Crushed material is laid, crushed material is carried out into lay flattening-out according to the grammes per square metre of 1200g/ ㎡, continuous fiber reinforced polypropylene prepreg is led to
Crossing traction and multiple roll-ins carries out pulling straight combing, places one layer on crushed material and pulls straight continuous fiber reinforced polypropylene prepreg,
Continuous fiber reinforced polypropylene prepreg includes 45 parts of continuous glass fibre；55 parts of thermoplastic resin COPP.It is continuous fine
Dimension enhancing COPP waste material is 2 with the weight ratio of continuous fiber reinforced polypropylene prepreg:1, draw-gear is started, start speed
It is 0.8m/min to spend, and is heated, and starts infrared baking oven, and oven temperature is set to 140 DEG C, when crushed material and continuous fiber increase
Strong polypropylene prepreg is flattened by after heating, roll-in being carried out by multiple metallic rolls, and the pressure of multiple metallic rolls is gradually
Reduce, highest roll-in is 3MPa, minimum 1MPa, to ensure the planarization of its product.Cooling water is passed through in metallic roll to be carried out
Cooling, or oil cooling, normal temperature cooling are carried out, when material is cooled to below 50 DEG C, is batched or cut.
The coiled material crimped after cutting is completed, one side impregnation non-woven fabrics, the one side and volume of one side impregnation non-woven cloth glue impregnating is placed above
The one side contact of material, then a face adhesive coating phenolic resin of the one side impregnation non-woven fabrics without glue be thickness is placed above
The PET honeycomb boards of 18mm, repave above PET honeycomb boards and put one side impregnation non-woven fabrics, and one side impregnation non-woven fabrics is without glue
One face adhesive coating phenolic resin is contacted with PET honeycomb boards, is repaved above the one side of one side impregnation non-woven cloth glue impregnating and is unreeled material,
What is laid successively from top to bottom is coiled material, one side impregnation non-woven fabrics, PET honeycomb boards, one side impregnation non-woven fabrics, coiled material；
It it is 120 DEG C in temperature, pressure under conditions of 2MPa to carry out hot pressing, and hot pressing time is 10min, is then colded pressing again, cold
The pressure time is 10min, obtains honeycomb sandwich panel.
Embodiment 6
Continuous fiber reinforced polypropylene material is reclaimed
First, continuous lod COPP waste material is carried out into cutting process, continuous fiber is continuous glass fibre, is cut
As length × material of a width of 180 × 180mm, to be washed, dried process, dry condition is that temperature is 120 DEG C, is done
The dry time is 3min, and washing can be industrial wash basin or cleaning equipment, and drying can be set with industrial drying oven or air dry oven
It is standby, keep the drying of material.Dried material is crushed, is carried out according to different weight according to the thickness of done coiled material
Crushed material is laid, crushed material is carried out into lay flattening-out according to the grammes per square metre of 1200g/ ㎡, layer of glass placed on crushed material and is increased
Strong fabric, continuous lod COPP waste material is 2 with the weight ratio of glass fiber reinforcing fabrics:1.Start draw-gear,
Toggle speed is 0.8m/min, is heated, and starts infrared baking oven, and oven temperature is set to 140 DEG C, when crushed material and glass
Fiber-reinforced fabric is flattened by after heating, roll-in being carried out by multiple metallic rolls, and the pressure of multiple metallic rolls gradually drops
Low, highest roll-in is 3MPa, minimum 1MPa, to ensure the planarization of its product.Be passed through in metallic roll cooling water carry out it is cold
But, or carry out oil cooling, normal temperature cooling, when material is cooled to below 50 DEG C, is batched or cut.
Coiled material after curling cutting is completed, paving to thickness is 3mm, be 180 DEG C in temperature, pressure is under conditions of 2MPa
Hot pressing is carried out, hot pressing time is 10min, is then colded pressing again, the time of colding pressing, for 10min, obtains solid slab.
The coiled material crimped after cutting is completed, one layer of epoxide-resin glue is smeared on the surface layer of coiled material glass-fiber-fabric, made rubberised layer and gather
Urethane foamed board is bonded, and the pressure of after-applied 2MPa is suppressed, and treats that its solidification completes to obtain polyurethane sandwich.
In embodiment 5 and embodiment 6, different types of waste material is improved according to different technique, so as to reach it originally
Composite high-performance reduces waste as the essence of supporting material.
The above-mentioned description to embodiment is to be understood that and apply the present invention for ease of those skilled in the art.It is familiar with
The personnel of art technology obviously can easily make various modifications to these embodiments, and should General Principle described herein
Use in other embodiment without by performing creative labour.Therefore, the invention is not restricted to embodiment here, this area skill
Art personnel announcement of the invention, does not depart from improvement that scope made and modification all should be in protection model of the invention
Within enclosing.
Claims (10)
1. a kind of recovery method of continuous fiber reinforced thermoplastic composite material waste material, it is characterised in that：Comprise the following steps：
Continuous fiber reinforced thermoplastic composite material waste material is sequentially passed through into cutting, washing, drying, crushing, lay flattening-out,
Lay flattening-out crushed material on place continuous fibre enhancement resin prepreg or fiber-reinforced fabric, then in turn through heating roll-in,
Cooling, curling, cutting, obtain coiled material or sheet material.
2. the recovery method of continuous fiber reinforced thermoplastic composite material waste material according to claim 1, it is characterised in that：
The continuous fiber reinforced thermoplastic composite material waste material is continuous lod HOPP waste material, continuous lod copolymerization
Polypropylene waste material, continuous lod polyamide 66 waste material, continuous lod polyamide 1010 waste material, continuous lod
At least one in the waste material of polyamide 1212.
3. the recovery method of continuous fiber reinforced thermoplastic composite material waste material according to claim 1, it is characterised in that：
The continuous fiber reinforced thermoplastic composite material waste material and continuous fibre enhancement resin prepreg or the weight ratio of fiber-reinforced fabric
It is 2:1.
4. the recovery method of continuous fiber reinforced thermoplastic composite material waste material according to claim 1, it is characterised in that：
The continuous fibre enhancement resin prepreg is made up of the component of following weight portion：
45~50 parts of continuous fiber；
50~55 parts of thermoplastic resin.
5. the recovery method of continuous fiber reinforced thermoplastic composite material waste material according to claim 4, it is characterised in that：
The continuous fiber is selected from least one in inorganic continuous fiber, organic continuous fiber or metal continuous fiber；
Preferably, the thermoplastic resin is selected from least one in polyolefin, polyamide.
6. the recovery method of continuous fiber reinforced thermoplastic composite material waste material according to claim 4, it is characterised in that：
The inorganic continuous fiber is selected from least one in glass fibre, carbon fiber, boron fibre or basalt fibre；
Preferably, organic continuous fiber is selected from least in aromatic polyamide fibre or superhigh molecular weight polyethylene fibers
Kind；
Preferably, the metal continuous fiber is stainless steel fibre；
Preferably, the polyolefin is at least one in HOPP, COPP；
Preferably, the polyamide is at least one in polyamide 66, polyamide 1010, polyamide 1212.
7. the recovery method of continuous fiber reinforced thermoplastic composite material waste material according to claim 1, it is characterised in that：
The fiber-reinforced fabric be glass fiber reinforcing fabrics, fibre reinforced fabric, basalt fibre enhancing fabric at least one
Plant, preferably glass fiber reinforcing fabrics；
Preferably, the specification of the cutting is less than 200 × 200mm；
Preferably, the dry temperature is 100-200 DEG C, and the time is 1-10min.
8. the recovery method of continuous fiber reinforced thermoplastic composite material waste material according to claim 1, it is characterised in that：
The comminuted fibres length is not less than 15mm；
Preferably, the grammes per square metre of the lay is not more than 1800g/ ㎡；
Preferably, the temperature of the heating is 100-200 DEG C；
Preferably, the pressure of the roll-in is 1-3MPa.
9. the recovery method institute of any described continuous fiber reinforced thermoplastic composite material waste material of a kind of utilization claim 1 to 8
Obtain the purposes of product, it is characterised in that：Comprise the following steps：
The product obtained using the recovery method of continuous fiber reinforced thermoplastic composite material waste material is completed, and acquisition of being colded pressing after hot pressing is real
Core material；
Or,
The product obtained using the recovery method of continuous fiber reinforced thermoplastic composite material waste material is completed, and one side impregnation is placed above
Non-woven fabrics, the one side of one side impregnation non-woven cloth glue impregnating and the recovery method institute using continuous fiber reinforced thermoplastic composite material waste material
The one side contact of the product for obtaining, a face adhesive coating of the one side impregnation non-woven fabrics without glue, then honeycomb board is placed above,
Repaved above honeycomb board and put one side impregnation non-woven fabrics, a face adhesive coating of the one side impregnation non-woven fabrics without glue connects with honeycomb board
Touch, repaved above the one side of one side impregnation non-woven cloth glue impregnating and put using the recovery side of continuous fiber reinforced thermoplastic composite material waste material
The product that method is obtained, finally carries out hot pressing, colds pressing, and obtains honeycomb sandwich panel；
Or,
The product obtained using the recovery method of continuous fiber reinforced thermoplastic composite material waste material is completed, in fiber-reinforced fabric
Adhesive coating on face, then lays polyurethane foam board, is laminated solidify afterwards, obtains polyurethane sandwich.
10. purposes according to claim 9, it is characterised in that：The pressure of the hot pressing is 1-3MPa, and the time is 1-30min,
Temperature is 120-230 DEG C；
Preferably, the time colded pressing is 1-30min；
Preferably, the adhesive is at least one in phenolic resin, epoxide-resin glue；
Preferably, the pressure of the lamination is 1-3MPa.
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