CN101871556A - Pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate and molding method thereof - Google Patents
Pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate and molding method thereof Download PDFInfo
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- CN101871556A CN101871556A CN200910026313A CN200910026313A CN101871556A CN 101871556 A CN101871556 A CN 101871556A CN 200910026313 A CN200910026313 A CN 200910026313A CN 200910026313 A CN200910026313 A CN 200910026313A CN 101871556 A CN101871556 A CN 101871556A
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Abstract
The invention discloses a pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate and a molding method thereof. The molding method comprises the steps of: processing bamboo material into bamboo slats with limited length; matching the bamboo slats with glass fiber yarn weaving or non-weaving to prepare bamboo glass cloth; matching the bamboo glass cloth with glass fiber yarn, felt, fabric and other reinforcing materials according to the need; injecting preimpregnation resin into a mixed glue inorganic light aggregate, and carrying out the working procedures such as presetting, solidification molding, drawing, cutting and the like; and obtaining the bamboo fiber reinforce plastic wrapped inorganic core linear products which have the shapes being the same as those of moulds and have various cross sections by pultrusion. The bamboo fiber reinforce plastic wrapped inorganic core linear products mainly comprise bamboo fiber reinforce plastic wrapped inorganic core pultrusion wrapping core and sandwich board, bamboo fiber reinforce plastic wrapped inorganic core pultrusion wrapping core and sandwich specification section, bamboo fiber reinforce plastic wrapped inorganic core pultrusion wrapping core and sandwich non-specification section, a bamboo fiber reinforce plastic pultrusion sandwich and hollow vertical shaft wind driven generator blade, a bamboo fiber reinforce plastic wrapped inorganic core pultrusion tubular product, a bamboo fiber reinforce plastic pultrusion square sandwich tubular product, a bamboo fiber reinforce plastic pultrusion rectangular sandwich tubular product, etc.
Description
The invention belongs to the fiber hybrid composite production technical field, particularly bamboo glass fabric is strengthened the pultrusion method that thermosetting resin parcel inorganic light-weight aggregate fills various prismatic linear bamboo glass fibre reinforced plastics wrapped inorganic core composite plates of making of core and goods.
At present, the pultrude process of known fibre glass roving is a kind of method of continuous producd fibers reinforced plastic section bar.It is the non-twist fibre glass roving on the creel to be carried out resin with other continuous reinforcing material, surface of polyester felt etc. soak achievement, then by keeping shaper, the shaping die of definite shape, and make it in mould, be pulled continuous depanning behind the solidifying, through cutting off a kind of automatic production process that can obtain the glass fibre reinforced plastics pultrusion product.Various glass fibre reinforced plastics pultrusion product performance are good, have wide range of applications, but cost are too high, and the application scale is not very big.The bamboo wood compact structure, resistance to compression, tension, wear-resisting property is good, malleable is good, and the specific humidity rate that rises is little mutually with other vegetable fibers such as timber, and its corrosion resistance more is better than other vegetable fibers such as timber.Bamboo wood growth rapidly, renewable is strong, compares cheaply with other lamination coating, produces the usage requirement that various drawing and extruding section bar products can satisfy many occasions with good bamboo material.But little owing to bamboo bar hollow, diameter, become plate poor performance, limited length and isolating property greatly, easily to go mouldy, compare with plastics or glass fibre reinforced plastics series products under the nature weather resistance poor, directly and the multiple reason of the compound compatibility performance difference of various fluoropolymer resins or the like, it can not be used on the pultrusion product, and therefore a large amount of bamboo materials fails to bring into play its due effect.The real core product of the full bamboo glass of pultrusion simultaneously raw material consumption is big, cost is high, and hollow products rigidity is not enough, and sound insulation, effect such as heat insulation, fire-retardant are bad.
In order to overcome the deficiency of existing glass fibre reinforced plastics pultrusion product price height, short and small, the real core waste of bamboo material or the like shortcoming, bamboo glass fibre reinforced plastics wrapped inorganic core composite plate provided by the invention, following bamboo glass fabric is selected the bamboo glass cloth that interweaves for use, is called for short the bamboo glass cloth.The bamboo glass cloth can not only guarantee to make full use of that the bamboo material contour projector is little, elasticity and toughness is all high, tensile strength parallel to grain is about 1800kg/cm
2, parallel-to-grain compressive strength is about 800kg/cm
2Or the like proper property, and be by glass fibre short and small, isolating property is big has limit for length bamboo bar to weave or together non-woven, this satisfies continuously shaped requirement, the isolating property of having eliminated bamboo material has formed the complementary intensity of both direction simultaneously with bamboo material, this has also just increased horizontal tensile strength and has also eliminated the disadvantage that pultrusion bamboo wrapped inorganic core fibre glass product manufacture linear direction easily laterally ftractures.It just had the outward appearance and the performance of glass fibre reinforced plastic material after the bamboo glass cloth soaked the achievement resin solidification, permeability with glass fibre reinforced plastics under the situation about needing also can make it to have the outward appearance that manifests bamboo material, utilize the coating skin of glass fibre reinforced plastic material to intercept bamboo material and air simultaneously, unfavorable and hostile environments such as mould, the contact of material, therefore can be under the prerequisite of the original performance that guarantees bamboo material, prolonged working life widely, also be easy to simultaneously by increasing, the content that reduces glass fibre improves, reduce glass fibre reinforced plastics content and control performance and the price that the inorganic core product was wrapped up in or pressed from both sides to bamboo glass fibre reinforced plastics, can satisfy the usage requirement of many applications, picture is heat insulation, sound insulation, flame retardant propertys etc. also are better than glass fibre reinforced plastics, the particularly reduction of price can realize large-scale promotion application.
The technical solution adopted for the present invention to solve the technical problems is: at first roll up one by designing requirement, two volumes or one or more same sizes of multireel or different size roll the bamboo glass cloth, (wide cut is the bamboo glass cloth to bamboo glass belt, in a narrow margin for bamboo glass belt) or bamboo glass cloth and bamboo glass belt be placed to together on the fabric frame, as required roving is rolled up, glass fiber mat, other reinforcing material of glasscloth or the like is placed to corresponding glass fiber yarn, felt, on the framves such as fabric, draw the bamboo glass cloth, bamboo glass belt, fibre glass roving, felt, the various reinforcing fibers of fabric or the like are by organiser, as required by the dehumidifying of dehumidifying heater, heating.The moulding of bamboo glass fibre reinforced plastics wrapped inorganic core composite plate is divided into the die sinking injection and mold closing injects the light-weight aggregate dual mode.Die sinking is to be used for dry granular foaming clay, expanded perlite, foaming vermiculites etc. are as the inner core filler of drawing and extruding section bar, adopt continuous bamboo glass cloth, bamboo glass cloth band etc. is made down groove and is formed at the bottom of the enhancing semihard envelope, mixed glue light granules filler utilization is extruded power and is extruded into down in the groove, upper strata bamboo glass cloth closes, the bamboo glass cloth is with cover, under the tractive force effect, through the encapsulating mold pre-setting, inject resin in the encapsulating mold internal pressure simultaneously, passing through shaping die then, make bamboo glass cloth big envelope and filler impregnation again through being heated and cured into goods, last fixed length cutting becomes the drawing and extruding section bar that the filler core is arranged.It is to allow the bamboo glass cloth enter steeping vat preimpregnation achievement resin that mold closing injects the light-weight aggregate mode, the reinforcing material that preimpregnation is good (bamboo glass cloth, bamboo glass belt, fibre glass roving, felt, fabric or the like) passes pre-setting device, mould or device with the mould pre-setting, accurately in conjunction with forming a hollow cavity, removing the bubble in unnecessary resin, the eliminating system, the bamboo glass cloth in mould surrounds the light-weight aggregate that injects the premix gelatinization material in the cavity simultaneously with bamboo glass cloth, bamboo glass belt, rove, felt, fabric etc. for it.Then enter the continuous bamboo glass cloth glass fibre reinforced plastics pultrusion product that the forming and hardening mold heated with multistage heating function is solidified into required sectional shape, this product is deflected from mould under the traction of traction gear, after the cutting device fixed length cutting becomes the bamboo glass fibre reinforced plastics wrapped inorganic core pultrusion product of Len req.The mineral filler core not only uses granule, also can use asbestos and goods, slag wool and goods, rock wool and goods, expansion
Perlite and goods, expanded vermiculite and goods, foaming clay-ware, glass wool and goods etc.Pultruded bamboo fiber reinforce plastic wrapped wrapped inorganic core product can be different shapes such as entity sheet material, bar, also can be with hollow section bar.Pultruded bamboo fiber reinforce plastic wrapped wrapped inorganic core panel products can be widely used in the many fields of wall board, roofer, furniture-plates, decorative sheet or the like.
The invention has the beneficial effects as follows, the various pultruded bamboo fiber reinforce plastic wrapped wrapped inorganic core product that goes out by this processes can enlarge the application area and the application of bamboo material widely, can guarantee that bamboo material given play to huge usefulness, bamboo bar in the bamboo glass cloth has been reduced isolating property by the coating of glass fiber yarn, felt, fabric etc., simultaneously also increased compatibility with fluoropolymer resin by glass fiber yarn, realize can leaning between the bamboo bar mechanical connection of glass fiber yarn and resin, this has eliminated bamboo bar and the compound segregative disadvantage of polymeric matrix.The bamboo glass cloth also has the use amount that extraordinary covering property can significantly reduce organic material simultaneously, and can wait reinforcement by increasing the bamboo glass cloth number of plies or increasing non-twist glass fiber yarn, felt, fabric in addition, this can satisfy the multiple demand of each side easily.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 pultruded bamboo fiber reinforce plastic wrapped structural representation of wrapping up in the mineral cotton composite sheet of the present invention.
Fig. 1-the 1st, the pultruded bamboo fiber reinforce plastic wrapped partial schematic sectional view of wrapping up in the mineral cotton composite sheet.
Fig. 1-2 is the pultruded bamboo fiber reinforce plastic wrapped local enlarged diagram of wrapping up in the mineral cotton composite sheet
The pultruded bamboo fiber reinforce plastic wrapped main side mouth pattern schematic representation of wrapping up in the mineral cotton composite sheet of Fig. 2.
Fig. 2-1 is wrong shoulder mouthful schematic representation.
Fig. 2-2 is a both shoulders mouth schematic representation.
Fig. 2-3 is a tongue-and-groove mouth schematic representation.
Fig. 2-4 is a double flute mouth schematic representation.
Fig. 2-5 is a double tenon mouth schematic representation.
1. skin glass steel among the figure, 2. bamboo bar, 3. mineral wool panels, 4. construction layer glass fibre reinforced plastics.
Embodiment:
In Fig. 1, two or many bamboo glass fabrics are invaded the achievement resin, make bamboo glass fabric surround mineral wool panels (3) by mould, add as required simultaneously and together be shaped to the pultruded bamboo fiber reinforce plastic wrapped mineral cotton composite sheet of wrapping up in after other reinforcing materials such as glass fiber mat, glass fiber yarn, glasscloth, Weft bamboo glass fabric are invaded the achievement resin by mold cured.The pultruded bamboo fiber reinforce plastic wrapped profile of wrapping up in the mineral cotton composite sheet has the mold cavity shape, also has skin glass steel (1), construction layer glass fibre reinforced plastics (4) and comprises the shell that bamboo bar (2) forms a sealing and wrap mineral wool panels (3).Skin glass steel (1) is by the glass fibre weft yarn of bamboo glass fabric, the glass fiber warps of Weft bamboo glass fabric, add or do not add one or more glass fiber yarns as required, glass fiber mat, fiberglass reinforced articles such as glasscloth and resin solidification form, construction layer glass fibre reinforced plastics (4) is made of other fiberglass products and the resin of the glass fibre weft yarn of bamboo glass fabric and adding as required, bamboo bar (2) by the bamboo of bamboo glass fabric through bar, the bamboo latitude bar of Weft bamboo glass fabric, continuous bamboo bar, around one or more compositions such as yarn bamboo bars, mineral wool panels (3) can add various mixed glue light inorganic body section grain etc. by mineral cotton and form.The side cross section of composite sheet can be a straight line mouth shown in Figure 2, also can be oblique line mouth, circular arc line mouth or the like Any shape.Mineral wool panels (3) can include asbestos and goods, slag wool and goods, rock wool and goods, expanded perlite and goods, expanded vermiculite and goods, foaming clay, glass wool and goods or the like many kinds with other light inorganic body material substitution.
Claims (10)
1. pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate and forming method, it is characterized in that: at first roll up one by designing requirement, two volumes or one or more same sizes of multireel or different size roll the bamboo glass cloth, (wide cut is the bamboo glass cloth to bamboo glass belt, in a narrow margin for bamboo glass belt) or bamboo glass cloth and bamboo glass belt be placed to together on the fabric frame, as required roving is rolled up, glass fiber mat, other reinforcing material of glasscloth or the like is placed to corresponding glass fiber yarn, felt, on the framves such as fabric, draw the bamboo glass cloth, bamboo glass belt, fibre glass roving, felt, the various reinforcing fibers of fabric or the like are by organiser, as required by the dehumidifying of dehumidifying heater, heating.The moulding of bamboo glass fibre reinforced plastics wrapped inorganic core composite plate is divided into the die sinking injection and mold closing injects the light-weight aggregate dual mode.Die sinking is to be used for dry granular foaming clay, expanded perlite, foaming vermiculites etc. are as the inner core filler of drawing and extruding section bar, adopt continuous bamboo glass cloth, bamboo glass cloth band etc. is made down groove and is formed at the bottom of the enhancing semihard envelope, mixed glue light granules filler utilization is extruded power and is extruded into down in the groove, upper strata bamboo glass cloth closes, the bamboo glass cloth is with cover, under the tractive force effect, through the encapsulating mold pre-setting, inject resin in the encapsulating mold internal pressure simultaneously, passing through shaping die then, make bamboo glass cloth big envelope and filler impregnation again through being heated and cured into goods, last fixed length cutting becomes the drawing and extruding section bar that the filler core is arranged.It is to allow the bamboo glass cloth enter steeping vat preimpregnation achievement resin that mold closing injects the light-weight aggregate mode, the reinforcing material that preimpregnation is good (bamboo glass cloth, bamboo glass belt, fibre glass roving, felt, fabric or the like) passes pre-setting device, mould or device with the mould pre-setting, accurately in conjunction with forming a hollow cavity, removing the bubble in unnecessary resin, the eliminating system, the bamboo glass cloth in mould surrounds the light-weight aggregate that injects the premix gelatinization material in the cavity simultaneously with bamboo glass cloth, bamboo glass belt, rove, felt, fabric etc. for it.Then enter the continuous bamboo glass cloth glass fibre reinforced plastics pultrusion product that the forming and hardening mold heated with multistage heating function is solidified into required sectional shape, this product is deflected from mould under the traction of traction gear, after the cutting device fixed length cutting becomes the bamboo glass fibre reinforced plastics wrapped inorganic core pultrusion product of Len req.The mineral filler core of pultruded bamboo fiber reinforce plastic wrapped wrapped inorganic core product not only uses granule, also can use asbestos and goods, slag wool and goods, rock wool and goods, expanded perlite and goods, expanded vermiculite and goods, foaming clay-ware, glass wool and goods etc.Pultruded bamboo fiber reinforce plastic wrapped wrapping up in
The inorganic core product can be different shapes such as entity sandwich sheet, sandwich bar, also can be with hollow sandwich sheet.
2. pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate according to claim 1 and forming method, it is characterized in that: bamboo glass fabric refers to the various limit for length's of having bamboo fiber bars of same specification cross section as bamboo latitude bar, bamboo latitude bar through the butt joint, finger, beat splicing such as groove overlap joint or mechanical coupling become endless bamboo fiber bar as bamboo through bar, bamboo is through bar, bamboo latitude bar cooperates employing braiding (knitting) with glass fiber yarn, machine (friendship) is knitted, knit volume, loop bonding and processes such as non-woven are just produced braiding (knitting) bamboo glass cloth accordingly, broadwise braiding (knitting) bamboo glass cloth; Machine (friendship) is knitted the bamboo glass cloth, broadwise machine (friendship) is knitted the bamboo glass cloth, is called for short bamboo glass cloth, Weft bamboo glass fabric; Woven bamboo-glass fiber; Loop bonding bamboo glass cloth, Weft-knitted bamboo glass cloth; Non-woven bamboo glass cloth, the non-woven bamboo glass cloth of broadwise etc.Both be called corresponding bamboo glass belt with above-mentioned corresponding various bamboo glass fabrics in a narrow margin.
3. pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate according to claim 1 and forming method, it is characterized in that: according to products characteristics can be that various bamboo glass clothes, bamboo glass belt and various Weft bamboo glass fabric are used, and also can be to be used with other reinforcing material.
4. according to claim 1,2,3 described pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate and forming methods, it is characterized in that: the bamboo latitude bar in the bamboo glass fabric, bamboo can partly substitute with other one or more materials through bar.
5. according to claim 1,2,3,4 described pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate and forming methods, it is characterized in that: the glass fiber yarn of bamboo glass fabric can be any glass fiber yarn that satisfies usage requirement, and can be with enhancings such as other glass fiber yarn, glass fiber mat, glasscloths; Also can use the fiber of other kind of carbon fiber, aramid fibre, steel fiber or the like to substitute; Can be single fiber, also can be multiple blend fiber, also can be fiber and felt, fabric unite use etc.; Can be that other various reinforcing materials and surface decoration material are mixed together use.
6. pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate according to claim 1 and forming method is characterized in that: resin can be thermosetting resins such as unsaturated polyester resin, epoxy resin, phenolic resin, vinyl ester resin.It also can be polyethylene, PVC, polypropylene or the like thermoplastic resin; Can be a kind of resin, also can be the mixture of several resins.
7. pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate according to claim 1 and forming method is characterized in that: pultrusion such as available wooden skin, bamboo skin, decorative paper etc. together become to have the product of decorative effect; And can increase follow-up surface lacquer etc. as required and decorate manufacturing procedure.
8. pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate according to claim 1 and forming method, it is characterized in that: the linear product of bamboo glass fibre reinforced plastics wrapped inorganic core mainly contains bamboo glass fibre reinforced plastics wrapped inorganic core pultrusion sandwich sheet, bamboo glass fibre reinforced plastics wrapped inorganic core pultrusion sandwich specification section bar, bamboo glass fibre reinforced plastics wrapped inorganic core pultrusion sandwich is the specification section bar not, bamboo glass fibre reinforced plastics pultrusion sandwich and hollow vertical axis wind generator blade, bamboo glass fibre reinforced plastics wrapped inorganic core pultrusion tubing, the pultrusion of bamboo glass fibre reinforced plastics is square, rectangle sandwich tubing or the like product.
9. according to claim 1,8 described pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate and forming methods, it is characterized in that: pultruded bamboo fiber reinforce plastic wrapped wrapped inorganic core panel products can be widely used in the many fields of wall board, roofer, furniture-plates, decorative sheet or the like.
10. pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate according to claim 1 and forming method is characterized in that: various bamboo FRP SANDWICH STRUCTURE MATERIALS can be various expanded perlites, foaming vermiculite, foaming clay or the like various light body inorganic material.
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| CN200910026313A CN101871556A (en) | 2009-04-21 | 2009-04-21 | Pultruded bamboo fiber reinforce plastic wrapped inorganic core composite plate and molding method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464469A (en) * | 2010-11-19 | 2012-05-23 | 山东鲁阳股份有限公司 | Dry-process-formed hydrophobic ceramic fiber building fireproof plate and preparation method thereof |
| WO2017004354A1 (en) * | 2015-07-02 | 2017-01-05 | Neuvokas Corporation | Method of manufacturing a composite material |
| CN109795935A (en) * | 2017-11-16 | 2019-05-24 | 江苏创曦复合材料科技有限公司 | A kind of more lattice structural slabs of sandwich and preparation method thereof |
| US11919254B2 (en) | 2019-11-12 | 2024-03-05 | Neuvokas Corporation | Method of manufacturing a composite material |
-
2009
- 2009-04-21 CN CN200910026313A patent/CN101871556A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464469A (en) * | 2010-11-19 | 2012-05-23 | 山东鲁阳股份有限公司 | Dry-process-formed hydrophobic ceramic fiber building fireproof plate and preparation method thereof |
| CN102464469B (en) * | 2010-11-19 | 2013-12-04 | 山东鲁阳股份有限公司 | Dry formed hydrophobic ceramic fiber building fireproof plate and preparation method thereof |
| WO2017004354A1 (en) * | 2015-07-02 | 2017-01-05 | Neuvokas Corporation | Method of manufacturing a composite material |
| US10682818B2 (en) | 2015-07-02 | 2020-06-16 | Neuvokas Corporation | Method of manufacturing a composite material |
| CN109795935A (en) * | 2017-11-16 | 2019-05-24 | 江苏创曦复合材料科技有限公司 | A kind of more lattice structural slabs of sandwich and preparation method thereof |
| US11919254B2 (en) | 2019-11-12 | 2024-03-05 | Neuvokas Corporation | Method of manufacturing a composite material |
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Application publication date: 20101027 |