CN106515161A - Continuous glass fiber reinforced polypropylene composite material and preparation method thereof - Google Patents
Continuous glass fiber reinforced polypropylene composite material and preparation method thereof Download PDFInfo
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- CN106515161A CN106515161A CN201610936182.2A CN201610936182A CN106515161A CN 106515161 A CN106515161 A CN 106515161A CN 201610936182 A CN201610936182 A CN 201610936182A CN 106515161 A CN106515161 A CN 106515161A
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
- B32B2260/023—Two or more layers
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/536—Hardness
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention relates to a continuous glass fiber reinforced polypropylene composite material and a preparation method thereof. The composite material is composed of a double-layer co-extruded lamination layer film and a continuous fiber reinforced substrate. The composite material is characterized in that: the double-layer co-extruded lamination layer film is a double-layer structure composed of a surface layer and a base layer, the surface layer is a mixture of PMMA and one or more of PP-g-MAH, EMA, EAA and EVA, and the thickness is 10-100um; the base layer is a bonding layer of a mixture composed of CO-PP and one or more of POE, PP-g-MAH, SEBS-g-MAH, EMA, EAA, and EVA, and the thickness is 10-100microm. The method provided by the invention can significantly improve the weatherability of the continuous glass fiber reinforced polypropylene composite material, avoids the problems of VOC emission and difficult recovery caused by use of paint, and significantly improves the hardness and scratch resistance of the continuous glass fiber reinforced polypropylene composite material.
Description
Technical field
The invention belongs to technical field of composite materials, more particularly to a kind of high surface hardness high durable continuous glass-fiber strengthens poly-
Acrylic composite and preparation method thereof.
Background technology
Continuous fiber reinforced thermoplastic composite material is compared with traditional same with thermosetting compound material with environmental protection, VOC free row
Put, impact resistance is good, resistance to low temperature is good, light weight, it is easy to process and recyclable the advantages of, progressively take in some fields
For same with thermosetting compound material.The fields such as Cold Chain Logistics trim packing plate, air container plate, new forms of energy conveying carriage are using company
Continuous fiber reinforced thermolplastic composite material.Conventional thermoplastic composite has：Continuous glass fibre strengthens PP（Polypropylene）、
PET（Polyester）、PA（Polyamide）；Extraordinary thermoplastic composite has：Continuous carbon fibre strengthens PPS（Polyphenylene sulfide）、PES
（Polyether sulfone）、PEEK（Polyether-ether-ketone）Deng.What existing market occupation rate was higher is that continuous glass-fiber strengthens PP materials, but due to PP
There is the birth defect of oneself, weatherability is very poor, particularly ultraviolet injures very big to which, is difficult to use in open air.Current continuous glass
The fine PP that strengthens is that the anti-UV agent of small molecule can affect the performance of material, also can improving its weatherability by adding anti-UV agent
There are precipitation, and continuous lod PP materials, inevitably have a small amount of fiber exposed on surface, or regional area
Fiber is extruded cluster together, so the shortcomings of surface has rugged, out-of-flatness.Client using such product as
Inside gadget or when exposing part, due to its surface irregularity or uneven, can its surface by way of spray paint come
Cover surface quality problems.Thermoplastic composite is a kind of environment-friendly materials, sustainable recycling, but is used on its surface
This thermosets is painted, VOC emission not only can be produced during spraying, nor beneficial to reclaiming, is become on the contrary
Not environmentally.It is for example disclosed in the patent document of Publication No. 204773909U a kind of for outdoor continuous lod thermoplastic
Property paint plate；A kind of PP disclosed in the patent document of Publication No. 202131751U（Polypropylene）The floor of continuous lod,
Surface decoration layer is skin of paint.
The content of the invention
It is not enough for more than, it is an object of the invention to provide a kind of continuous glass-fiber reinforced polypropylene compound material and its system
Preparation Method, is to strengthen PP plate surfaces by double-layer coextrusion film technique and high temperature resistant, weather-proof, scratch-resistant in continuous glass fibre
Thermoplasticity PMMA it is film adhered, fundamentally solve continuous glass fibre strengthen PP sheet materials it is not weather-proof, surface irregularity, no
The problems such as scratch-resistant, while the shortcomings of it also avoid using the pollution that causes of paint and be not easily recycled.
Present invention employs following technical scheme：A kind of continuous glass-fiber reinforced polypropylene compound material, by double-layer coextrusion
Film layer film and continuous lod substrate composition；Described double-layer coextrusion film layer film and continuous lod substrate are logical
Crossing double-layer coextrusion film carries out heat posted synthesis type；It is characterized in that：Described double-layer coextrusion film layer film is by surface layer and bottom
The double-decker of layer composition, surface layer are PMMA and one or more the mixture in PP-g-MAH, EMA, EAA, EVA, thick
Spend for 10 ~ 100um；Bottom is one or more in CO-PP and POE, PP-g-MAH, SEBS-g-MAH, EMA, EAA, EVA
The adhesive linkage of mixture, thickness are 10 ~ 100um；At least one layer continuous lod of described continuous lod substrate gathers
Acrylic composite.
Inorganic filler is added with the surface layer and bottom of described double-layer coextrusion film layer film, inorganic filler is TiO2、
Talcum powder, calcium carbonate or BaSO4In one kind.
The preparation method of the present invention, comprises the following steps, it is characterised in that：
1）, prepare continuous lod substrate：By at least one of which continuous glass fibre strengthen PP unidirectional prepreg tapes material according to 0 °,
45 °, 90 ° of various combination mode lay, heating be pressed into substrate；
2）, prepare double-layer coextrusion film layer film：It is made up of bottom and surface layer, in surface layer and bottom, is added with inorganic filling out respectively
Material, described surface layer are PMMA and one or more the mixture in PP-g-MAH, EMA, EAA, EVA, wherein；CO-
PP60 ~ 80 part, PP-g-MAH20 parts, EMA10 parts, 40 parts of EAA, EVA40 parts, inorganic filler 5-15 parts；Described bottom is
The mixture of CO-PP or CO-PP and POE, wherein CO-PP80 ~ 95 part, POE5-20 parts, inorganic filler 5-15 parts；By face
Layer and bottom carry out mixed at high speed, and Jing twin-screw extrusions, granulation are added in double-layer coextrusion film extruder after being dried, make pouring
Film layer is extruded and is fitted with substrate.
Described inorganic filler is TiO2, talcum powder, calcium carbonate or BaSO4In one or more mixture.
3）, roll-in laminating：Substrate is unreeled by continuous unwinding equipment, first by infrared heating preheating zone, is then passed through
Double-layer coextrusion film layer film is extruded by the film mouth of double-layer coextrusion film extruder with 2 ~ 10m/min speed, makes double-layer coextrusion
Film layer film carries out roll-in with substrate and fits, and forms continuous glass-fiber reinforced polypropylene compound material：Wherein infrared heating zones
Length is 2m, is divided into three areas on length direction, and area's temperature is 100 ~ 200 DEG C, two area's temperature are 200 ~ 250 DEG C, three area's temperature
Spend for 250 DEG C ~ 300 DEG C, film mouth is 5 ~ 20cm with the distance of substrate, and rolling pressure is 0.5 ~ 5Mpa.
The present invention, surfacing, hardness ＞ 3H, 170 DEG C of heatproof ＞, UVA irradiation 10000h, △ E≤3, without efflorescence delamination.
The weatherability of continuous glass-fiber reinforced polypropylene compound material can significantly be improved；Avoid causing VOC emission and difficulty using paint
Recovery problem；The hardness and scratch resistance of continuous glass-fiber reinforced polypropylene compound material are improved significantly.
Description of the drawings
Fig. 1 is the process schematic representation of the present invention.
Specific embodiment
A kind of continuous glass-fiber reinforced polypropylene compound material, by surface thermoplastic modification leaching membrane layer and continuous lod base
Plate is constituted；Described surface thermoplastic modification leaching membrane layer and continuous lod substrate carry out thermal-adhering by double-layer coextrusion film
Shaping.
Described surface thermoplastic modification leaching membrane layer is the double-decker of surface layer and bottom, and surface layer is PMMA（Poly- methyl-prop
E pioic acid methyl ester, is commonly called as lucite) and PP-g-MAH（PP grafted maleic anhydrides, a kind of compatilizer）、EMA（Ethene-methyl-prop
Olefin(e) acid plastics）、EAA（Ethylene-acrylic acid plastics）、EVA（Ethylene-vinyl acetate copolymer）In one or more mixed
Compound, thickness are 10 ~ 100um；Bottom is CO-PP（COPP）With POE（Elastomer）、PP-g-MAH、SEBS-g-MAH
（Hydrogenated styrene-butadiene copolymer grafted maleic anhydride, bulking agent）, one or more mixing in EMA, EAA, EVA
The adhesive linkage of thing, thickness are 10 ~ 100um；At least one layer continuous fiber reinforced polypropylene of described continuous lod substrate
Composite.
Inorganic filler is added with the surface layer and bottom of described surface thermoplastic modification leaching membrane layer, inorganic filler has：
TiO2, talcum powder, calcium carbonate or BaSO4。
Embodiment 1：
Known by Fig. 1, a kind of preparation method of continuous glass-fiber reinforced polypropylene compound material, by following steps：
1st, prepare continuous lod substrate：By continuous glass fibre strengthen PP unidirectional prepreg tapes material according to 0 °, 45 °, 90 ° it is different
Combination is laid, and heating is pressed into substrate.
2nd, prepare double-layer coextrusion film layer film：It is made up of bottom and surface layer, is added with surface layer and bottom respectively inorganic
Filler, described surface layer are PMMA80 parts, PP-g-MAH20 parts, inorganic filler TiO25 parts；Described bottom be CO-PP80 parts,
POE20 parts, inorganic filler TiO25 parts；The each 50um of thickness of surface layer and bottom.Surface layer formula or bottom formula are carried out at a high speed
Mixing, Jing twin-screw extrusions, granulation, be dried after correspondence be added in double-layer coextrusion film extruder, make leaching membrane layer extrusion and with
Substrate is fitted.
3rd, roll-in laminating：Substrate is unreeled by continuous unwinding equipment, first by infrared heating preheating zone, then by double
Double-layer coextrusion film layer film is extruded by the film mouth of layer co-extrusion film extruder with 2 ~ 10m/min speed, drenches double-layer coextrusion
Film layer film carries out roll-in with substrate and fits, and forms continuous glass-fiber reinforced polypropylene compound material：The wherein length of infrared heating zones
Spend for 2m, on length direction, be divided into three areas, area's temperature is 100 ~ 200 DEG C, two area's temperature are 200 ~ 250 DEG C, three area's temperature
For 250 DEG C ~ 300 DEG C, film mouth is 5 ~ 20cm with the distance of substrate, and rolling pressure is 0.5 ~ 5Mpa.
Embodiment 2：
The formula and thickness of double-layer coextrusion film layer film be：Surface layer is PMMA80 parts, EMA10 parts, inorganic filler talcum powder 10
Part, thickness 20um；Bottom be CO-PP90 parts, POE10 parts, 10 parts of inorganic filler talcum powder, thickness 80um；Remaining technique is with real
Apply example 1.
Embodiment 3：
The formula and thickness of double-layer coextrusion film layer film：Surface layer is PMMA60 parts, EAA40 parts, inorganic filler BaSO4It is 8 parts, thick
Degree 50um；Bottom is CO-PP85 parts, POE15 parts, inorganic filler BaSO48 parts, thickness 100um；Remaining technique is with embodiment 1.
Embodiment 4：
The formula and thickness of double-layer coextrusion film layer film be：Surface layer PMMA60 parts, EVA40 parts, 15 parts of inorganic filler calcium carbonate,
Thickness 100um；Bottom be CO-PP95 parts, POE5 parts, 15 parts of inorganic filler calcium carbonate, thickness 100um；Remaining technique is with enforcement
Example 1.
The formula of embodiment 1-4 see the table below 1：
According to the formula shown in table 1, surface layer formula or bottom formula are carried out into mixed at high speed, Jing twin-screw extrusions are granulated,
After drying, correspondence is added in double-layer coextrusion film extruder, is made leaching membrane layer extrusion and is fitted with substrate.
1～4 surface film thermal bonding process of embodiment is shown in Table 2：
High surface hardness high durable continuous glass-fiber reinforced polypropylene compound material leaching membrane layer described in patent of the present invention is double-deck common
Crowded film, wherein surface layer are PMMA and PP-g-MAH, EMA, EAA, EVA one or more mixture therein, wherein
PMMA：60~80%.PMMA has good weatherability, it is not necessary to extra addition UV absorbents or screener, and its surface is hard
Degree is high, scratch-resistant.Primarily serving the purpose of for PP-g-MAH, EMA, EAA, EVA improves surface layer and bottom cementability, because PMMA and bottom
Layer PP layer compatibilities are poor, it is difficult to realized by the technique of direct film and PP layers good bonding.PP-g-MAH、EMA、EAA、
EVA has both sexes functional group, have can be compatible with PMMA polar functional group, such as MAH, VA, having again can be compatible very well with PP
Ethene or propylene functional group, so the addition of such material to improve PMMA surface layers bonding with PP.
High surface hardness high durable continuous glass-fiber reinforced polypropylene compound material leaching membrane layer bottom described in patent of the present invention
For CO-PP or mixture adhesive linkage with POE, wherein CO-PP：80~95%.CO-PP5 ~ 20%, CO-PP are COPP,
Fusing point is low compared with homopolymerization PP, can improve the intensity with base material continuous glass-fiber RPP, and polypropylene can phase more than its fusing point
It is mutually melting adhered.The Main Function of POE is which is fine with PP compatibilities, just can carry out bonding, raising bonding under low temperature with PP
Intensity.
Substrate described in patent of the present invention is a kind of continuous glass-fiber RPP, can be according to performance requirement different designs
The different numbers of plies and fiber direction, 0 °, 90 °, 45 ° angularly.
Claims (3)
1. a kind of continuous glass-fiber reinforced polypropylene compound material, by double-layer coextrusion film layer film and continuous lod substrate in batch
Into；Described double-layer coextrusion film layer film and continuous lod substrate carry out heat posted synthesis type by double-layer coextrusion film；
It is characterized in that：The double-decker that described double-layer coextrusion film layer film is made up of surface layer and bottom, surface layer be PMMA with
One or more mixture in PP-g-MAH, EMA, EAA, EVA, thickness are 10 ~ 100um；Bottom be CO-PP and POE,
The adhesive linkage of one or more mixtures in PP-g-MAH, SEBS-g-MAH, EMA, EAA, EVA, thickness are 10 ~ 100um；
At least one layer continuous fiber reinforced polypropylene composite material of described continuous lod substrate.
2. a kind of continuous glass-fiber reinforced polypropylene compound material according to claim 1, it is characterised in that：Described bilayer
Inorganic filler is added with the surface layer and bottom of co-extrusion film layer film, described inorganic filler is TiO2, talcum powder, calcium carbonate
Or BaSO4In one or more mixtures.
3. the preparation method of the continuous glass-fiber reinforced polypropylene compound material described in a kind of claim 1, it is characterised in that：Including
Following steps：
1）, prepare continuous lod substrate：By at least one of which continuous glass fibre strengthen PP unidirectional prepreg tapes material according to 0 °,
45 °, 90 ° of combination laying, heating are pressed into substrate；
2）, prepare double-layer coextrusion film layer film：It is made up of bottom and surface layer, in surface layer and bottom, is added with inorganic filling out respectively
Material, described surface layer are PMMA and one or more the mixture in PP-g-MAH, EMA, EAA, EVA, wherein；CO-
PP60 ~ 80 part, PP-g-MAH20 parts, EMA10 parts, 40 parts of EAA, EVA40 parts, inorganic filler 5-15 parts；Described bottom is
The mixture of CO-PP or CO-PP and POE, wherein CO-PP80 ~ 95 part, POE5-20 parts, inorganic filler 5-15 parts；By face
Layer and bottom carry out mixed at high speed, and Jing twin-screw extrusions, granulation are added in double-layer coextrusion film extruder after being dried, make pouring
Film layer is extruded and is fitted with substrate；
3）, roll-in laminating：Substrate is unreeled by continuous unwinding equipment, first by infrared heating preheating zone, then by double
Double-layer coextrusion film layer film is extruded by the film mouth of layer co-extrusion film extruder with 2 ~ 10m/min speed, makes leaching membrane layer and base
Plate carries out roll-in laminating, forms continuous glass-fiber reinforced polypropylene compound material：Wherein the length of infrared heating zones be 2m, length side
It is divided into three areas upwards, area's temperature is 100 ~ 200 DEG C, two area's temperature are 200 ~ 250 DEG C, three area's temperature are 250 DEG C ~ 300 DEG C,
Film mouth is 5 ~ 20cm with the distance of substrate, and rolling pressure is 0.5 ~ 5Mpa.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734604A (en) * | 2019-10-09 | 2020-01-31 | 中广核俊尔(浙江)新材料有限公司 | organic sheets and preparation method thereof |
| CN113611207A (en) * | 2021-05-26 | 2021-11-05 | 松本涂层科技（昆山）有限公司 | In-mold label, preparation method thereof and mold |
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| CN110734604B (en) * | 2019-10-09 | 2021-11-19 | 中广核俊尔(浙江)新材料有限公司 | Organic sheet and preparation method thereof |
| CN113611207A (en) * | 2021-05-26 | 2021-11-05 | 松本涂层科技（昆山）有限公司 | In-mold label, preparation method thereof and mold |
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