CN101871558A - Pultruded wood fiber reinforce plastic wrapped foam core composite plate and molding method thereof - Google Patents
Pultruded wood fiber reinforce plastic wrapped foam core composite plate and molding method thereof Download PDFInfo
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- CN101871558A CN101871558A CN200910026318A CN200910026318A CN101871558A CN 101871558 A CN101871558 A CN 101871558A CN 200910026318 A CN200910026318 A CN 200910026318A CN 200910026318 A CN200910026318 A CN 200910026318A CN 101871558 A CN101871558 A CN 101871558A
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Abstract
The invention discloses a pultruded wood fiber reinforce plastic wrapped foam core composite plate and a molding method thereof. The molding method comprises the steps of: processing wooden material into wood slats with limited length; matching the wood slats with glass fiber yarn weaving or non-weaving to prepare wood glass cloth; matching the wood glass cloth with glass fiber yarn, felt, fabric and other reinforcing materials according to the need; sandwiching preimpregnation resin into a foam plate, and carrying out the working procedures such as presetting, solidification molding, drawing, cutting and the like; and obtaining the wood fiber reinforce plastic wrapped foam core linear products which have the shapes being the same as those of moulds and have various cross sections by pultrusion. The wood fiber reinforce plastic wrapped foam core linear products mainly comprise wood fiber reinforce plastic wrapped foam core pultrusion wrapping core and sandwich board, wood fiber reinforce plastic wrapped foam core pultrusion section, wood fiber reinforce plastic wrapped foam core pultrusion core non-specification section, a wood fiber reinforce plastic pultrusion foam interlayer and hollow vertical shaft wind driven generator blade, a wood fiber reinforce plastic wrapped foam interlayer pultrusion tubular product, a wood fiber reinforce plastic pultrusion square foam interlayer tubular product, a wood fiber reinforce plastic pultrusion rectangular foam interlayer tubular product, etc. The wood fiber reinforce plastic wrapped foam core composite plate can be widely used for building boards such as a wall body board, a roof board, a furniture board, a decorating plate, etc.
Description
The invention belongs to the fiber hybrid composite production technical field, particularly wood glass fabric is strengthened the pultrusion method that foam core composite plate and goods were wrapped up in, pressed from both sides to wooden glass fibre reinforced plastics of making of thermosetting resin parcel foam core.
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 densification of hard miscellaneous tree equipment structure, resistance to compression, tension, wear-resisting property are good, and the specific humidity rate that rises is less mutually with other vegetable fiber except that bamboo material, and its corrosion resistance more is better than other vegetable fibers such as softwood.Timber is renewable raw materials, compares cheaply with other man-made fibre material, produces the usage requirement that various drawing and extruding section bar products can satisfy many occasions with good wood materials.But because timber length, diameter are limited, directly become the flexible distortion forfeiture of plate usability, isolating property, to compare weather resistance poor with plastics or glass fibre reinforced plastics series products under the nature, directly with the compound compatibility performance difference of various fluoropolymer resins or the like multiple reason, make it fail to use on the pultrusion product, therefore a large amount of wood materials fails to bring into play its due effect.The real core product of the complete wooden 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 are bad.
In order to overcome the deficiency of existing glass fibre reinforced plastics pultrusion product price height, yielding, the real core waste of bulk hard miscellaneous tree material or the like shortcoming, wooden glass fibre reinforced plastics wrapped foam core composite plate provided by the invention, following wood glass fabric is selected the Wood-glass cloth that interweaves for use, is called for short Wood-glass cloth.Wood-glass cloth can not only guarantee to make full use of that hard miscellaneous tree material contour projector is little, tensile strength parallel to grain and the high approximately proper property of parallel-to-grain compressive strength, and be limited long stuff short and small, that isolate characteristic to be weaved or together non-woven by glass fibre, this satisfies continuously shaped requirement, the isolating property of having eliminated wood materials has formed simultaneously the complementary intensity of both direction with wood materials, this has also just increased horizontal tensile strength and has also eliminated pultrusion wood and wrap up in the easily horizontal disadvantage of cracking of honeycomb core fibre glass product manufacture linear direction.It just had the outward appearance and the performance of glass fibre reinforced plastic material after Wood-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 wood materials, utilize the coating skin of glass fibre reinforced plastic material to intercept wood materials 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 wood materials, 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 foam core product was wrapped up in or pressed from both sides to wooden glass fibre reinforced plastics, can satisfy the usage requirement of many applications, picture is heat insulation, sound insulation values 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 Wood-glass cloth, (wide cut is a Wood-glass cloth to wood glass belt, in a narrow margin for wood glass belt) or Wood-glass cloth and wood 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 Wood-glass cloth, wood glass belt, fibre glass roving, felt, the various reinforcing materials of fabric or the like are by organiser, as required by the dehumidifying of dehumidifying heater, heating.Allow reinforcing materials such as Wood-glass cloth enter steeping vat preimpregnation achievement resin, by using specification becoming to open among the reinforcing material of putting into the good resin of preimpregnation continuously (Wood-glass cloth, wood glass belt, fibre glass roving, felt, fabric or the like) that one of foam plate connects, pass pre-setting device, mould or device with the mould pre-setting, it with Wood-glass cloth, wood glass belt, rove, felt, fabric etc. accurately in conjunction with forming a hollow cavity that holds foam plate, removing the bubble in unnecessary resin, the eliminating system.Then enter the continuous wooden glass fibre reinforced plastics wrapped foam core 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 wooden glass fibre reinforced plastics wrapped foam core pultrusion product of Len req.Pultrusion wood glass fibre reinforced plastics wrapped foam core product can be different shape section bars such as entity sheet material, bar.
The invention has the beneficial effects as follows, the various pultrusions wood glass fibre reinforced plastics wrapped foam core products that go out by this processes can enlarge the application area and the application of wood materials widely, can guarantee that wood materials given play to huge usefulness, batten in the Wood-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 batten mechanical connection of glass fiber yarn and resin, this has eliminated batten and the compound segregative disadvantage of polymeric matrix.The while Wood-glass cloth also has extraordinary covering property and can significantly reduce raw-material use amount, and can wait reinforcement by increasing the Wood-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 pultrusion wood of the present invention glass fibre reinforced plastics is wrapped up in the structural representation of foam composite sheet.
Fig. 1-1 is wrapped up in the partial schematic sectional view of foam composite sheet for pultrusion wood glass fibre reinforced plastics.
Fig. 1-2 is wrapped up in the local enlarged diagram of foam composite sheet for pultrusion wood glass fibre reinforced plastics.
Fig. 2 pultrusion wood glass fibre reinforced plastics is wrapped up in the main side mouth pattern schematic representation of foam composite sheet.
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 Fig. 1,2. batten, 3. foam core, 4. construction layer glass fibre reinforced plastics.
Embodiment:
In Fig. 1, two or many wood strips glass fabric are invaded the achievement resin, make wood glass fabric surround foam core (3) by mould, add as required simultaneously and together be shaped to pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate after other reinforcing materials such as glass fiber mat, glass fiber yarn, glasscloth, Weft wood glass fabric are invaded the achievement resin by mold cured.The profile of pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate has the mold cavity shape, also has skin glass steel (1), construction layer glass fibre reinforced plastics (4) and comprises the shell that batten (2) forms a sealing and wrap foam core (3).Skin glass steel (1) is by the glass fibre weft yarn of wood glass fabric, the glass fiber warps of Weft wood 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 wood glass fabric and adding as required, batten (2) by the wood of wood glass fabric through bar, the wooden latitude bar of Weft wood glass fabric, continuous batten, around one or more compositions such as yarn battens, foam core (3) by various not with the foam plate of resin generation chemical reaction, inject foam core, mix compositions such as calymma foam grain.The side cross section that pultrusion wood glass fibre reinforced plastics is wrapped up in the foam composite sheet can be various straight line mouths shown in Figure 2, also can be oblique line mouth, circular arc line mouth or the like Any shape.
Claims (10)
1. pultrusion wood glass fibre reinforced plastics wrapped foam 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 Wood-glass cloth, (wide cut is a Wood-glass cloth to wood glass belt, in a narrow margin for wood glass belt) or Wood-glass cloth and wood 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 Wood-glass cloth, wood glass belt, fibre glass roving, felt, the various reinforcing materials of fabric or the like are by organiser, as required by the dehumidifying of dehumidifying heater, heating.Allow reinforcing materials such as Wood-glass cloth enter steeping vat preimpregnation achievement resin, by using specification becoming to open among the reinforcing material of putting into the good resin of preimpregnation continuously (Wood-glass cloth, wood glass belt, fibre glass roving, felt, fabric or the like) that one of foam plate connects, pass pre-setting device, mould or device with the mould pre-setting, it with Wood-glass cloth, wood glass belt, rove, felt, fabric etc. accurately in conjunction with forming a hollow cavity that holds foam plate, removing the bubble in unnecessary resin, the eliminating system.Then enter the continuous wooden glass fibre reinforced plastics wrapped foam core 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 wooden glass fibre reinforced plastics wrapped foam core pultrusion product of Len req.Wood glass fibre reinforced plastics wrapped foam core pultrusion product can be to wrap up in coreboard, sandwich sheet, wrap up in different shape such as plug material and wrap up in core, sandwich product.
2. pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate according to claim 1 and forming method, it is characterized in that: wood glass fabric refers to the various limited long lignocellulose bar of same specification cross section as wooden latitude bar, wooden latitude bar through the butt joint, finger, beat splicing such as groove overlap joint or mechanical coupling become endless wood fibre bar as wood through bar, wood is through bar, wood 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) Wood-glass cloth accordingly, broadwise braiding (knitting) Wood-glass cloth; Machine (friendship) is knitted Wood-glass cloth, broadwise machine (friendship) is knitted Wood-glass cloth, is called for short Wood-glass cloth, Weft wood glass fabric; Woven wood-glass fiber cloth; Knitted wood glass cloth, Weft-knitted wood glass cloth; Non-woven Wood-glass cloth, the non-woven Wood-glass cloth of broadwise etc.Both be called corresponding wood glass belt with above-mentioned corresponding various wood glass fabrics in a narrow margin.
3. pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate according to claim 1 and forming method, it is characterized in that: according to products characteristics can be that various Wood-glass cloths, wood glass belt and various Weft wood glass fabric are used, and also can be to be used with other reinforcing material.
4. according to claim 1,2,3 described pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate and forming methods, it is characterized in that: the wooden latitude bar in the wood glass fabric, wood can partly substitute with other one or more materials through bar.
5. according to claim 1,2,3,4 described pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate and forming methods, it is characterized in that: the glass fiber yarn of wood 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. pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate according to claim 1 and forming method, it 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.Polystyrene foamed boards can not be compound with unsaturated polyester resin.
7. pultrusion according to claim 1 wood glass fibre reinforced plastics wrapped foam core composite plate and forming method is characterized in that: pultrusion such as available wooden skin, wooden 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. pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate according to claim 1 and forming method is characterized in that: pre-setting, increases the preheating link and can improve pultrusion speed to increasing the heating equipment preheating as required between the shaping die to mould.
9. pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate according to claim 1 and forming method, it is characterized in that: the linear product of wooden glass fibre reinforced plastics wrapped foam core mainly contains wooden glass fibre reinforced plastics wrapped foam core pultrusion sandwich sheet, wood glass fibre reinforced plastics wrapped foam core pultrusion sandwich specification section bar, wood glass fibre reinforced plastics wrapped foam core pultrusion sandwich is the specification section bar not, wood glass fibre reinforced plastics pultrusion foam core, hollow interlayer vertical axis wind generator blade, wood glass fibre reinforced plastics is wrapped up in foam layer pultrusion tubing, and wooden glass fibre reinforced plastics pultrusion is square, rectangle foam layer tubing or the like product.
10. pultrusion wood glass fibre reinforced plastics wrapped foam core composite plate according to claim 1 and forming method, it is characterized in that: various wooden glass fiber reinforced plastic foam sandwich materials can be the various light body foamed materials of polystyrene foam, polyamine ester foam, polyvinyl chloride foam, phenolic resin foam or the like.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910026318A CN101871558A (en) | 2009-04-21 | 2009-04-21 | Pultruded wood fiber reinforce plastic wrapped foam core composite plate and molding method thereof |
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| CN200910026318A CN101871558A (en) | 2009-04-21 | 2009-04-21 | Pultruded wood fiber reinforce plastic wrapped foam core composite plate and molding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786393A (en) * | 2012-10-30 | 2014-05-14 | 威海中复西港船艇有限公司 | Interlayer composite board with saw-toothed connection structure, and processing technology thereof |
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2009
- 2009-04-21 CN CN200910026318A patent/CN101871558A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786393A (en) * | 2012-10-30 | 2014-05-14 | 威海中复西港船艇有限公司 | Interlayer composite board with saw-toothed connection structure, and processing technology thereof |
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Application publication date: 20101027 |