CN101871562A - Bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material and method for molding products - Google Patents
Bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material and method for molding products Download PDFInfo
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- CN101871562A CN101871562A CN200910026327A CN200910026327A CN101871562A CN 101871562 A CN101871562 A CN 101871562A CN 200910026327 A CN200910026327 A CN 200910026327A CN 200910026327 A CN200910026327 A CN 200910026327A CN 101871562 A CN101871562 A CN 101871562A
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Abstract
The invention discloses a bamboo-glass fiber reinforced resin bamboo splint-glass fiber reinforced plastic pulled and extruded composite engineering material and a method for molding products. The method comprises the following steps of: machining bamboo materials with finite lengths into bamboo splints with the finite lengths, connecting and continuously rolling the bamboo splints into bamboo splint rolls, matching the bamboo splint rolls with other reinforcing materials, such as fiberglass roving, felts, fabrics and the like, performing the steps of resin pre-impregnation, pre-molding, solidification molding, traction, cutting and the like on the bamboo splint rolls and the reinforcing materials which are matched, and pulling and extruding the processed products into bamboo splint-glass fiber reinforced plastic linear products with various sections and a shape the same as that of a mould, wherein the bamboo splint-glass fiber reinforced plastic linear products mainly comprise pulled and extruded products with various section shapes, such as bamboo splint-glass fiber reinforced plastic solid, sandwiched and hollow boards, bamboo splint-glass fiber reinforced plastic solid, sandwiched and hollow standard boards, bamboo splint-glass fiber reinforced plastic solid, sandwiched and hollow substandard boards, bamboo splint-glass fiber reinforced plastic solid, sandwiched and hollow vertical-axis wind-driven generator blades, bamboo splint-glass fiber reinforced plastic solid-web, open-web and sandwiched door and window profiles, bamboo splint-glass fiber reinforced plastic pulled and extruded tubes and pipes, bamboo splint-glass fiber reinforced plastic pulled and extruded square and rectangular tubes and pipes, and the like.
Description
The invention belongs to the fiber hybrid composite production technical field, particularly bamboo fiber bar (bamboo strip or bamboo chip or the like) and glass fibre etc. are cooperated to strengthen the forming method that various prismatic linear bamboo bar glass fiber reinforced plastic composite engineering materials and goods are made in the thermosetting resin pultrusion.
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.
In order to overcome the deficiency of short and small or the like the shortcoming of the high and bamboo material of existing glass fibre reinforced plastics pultrusion product price, bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material product provided by the invention, this bamboo bar glass fiber reinforced plastic composite engineering material product 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 have the outward appearance and a performance of glass fibre reinforced plastic material, 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 the performance and the price of bamboo bar fibre glass product manufacture, can satisfy the usage requirement of many applications, also be better than glass fibre reinforced plastics as heat-shielding performance etc., 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: the bamboo fiber bar that at first bamboo processing is become all size that needs by design, in advance same specification cross section have limit for length's bamboo fiber bar through butt joint, finger, play splicing such as groove overlap joint, lining felt, lining paper, lining cloth or mechanical coupling becomes the continuous bamboo fiber bar of endless, be called for short continuous bamboo bar, the bamboo bar is wound into volume continuously, is called for short the bamboo silver lap.Next the bamboo that as required the bamboo silver lap of multireel same size or different size is placed on the fiber frame is rolled up on the frame, corresponding with every bamboo bar as required a volume or multireel woven glass roving fabric be placed on the fiber frame with the corresponding creel of this bamboo bar on, other roving volume, glass fiber mat, glasscloth or the like other reinforcing material is placed on the fiber frame on corresponding yarn, felt, the fabric frame, draw various reinforcing fibers such as bamboo bar, rove, felt, fabric by organiser, as required by the dehumidifying of dehumidifying heater, heating.Enter steeping vat preimpregnation achievement resin, the reinforcing material that preimpregnation is good (bamboo bar, rove, felt, fabric or the like) passes pre-setting device, mould or device with the mould pre-setting, it with bamboo bar, rove, felt, fabric etc. accurately in conjunction with, remove the bubble in unnecessary resin, the eliminating system.Then enter the continuous bamboo bar 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 deflects from mould under the traction of traction gear, after the cutting device fixed length cutting becomes the bamboo bar glass fibre reinforced plastics pultrusion product of Len req.The pulled and extruded bamboo splint-glass fiber reinforced plastic product can be solid also can be hollow, the bamboo bar glass fibre reinforced plastics drawing and extruding section bar that can be all size also can be various not specification bamboo bar glass fibre reinforced plastics pultrusion profile shapes; Solid, the hollow plate of bamboo bar glass fibre reinforced plastics pultrusion; Bamboo bar glass fibre reinforced plastics pultrusion circular pipe, square, the rectangle tubing of bamboo bar glass fibre reinforced plastics pultrusion; Bamboo bar glass fibre reinforced plastics pultrusion empty stomach, real abdomen door and window profile material; Bamboo bar glass fibre reinforced plastics pultrusion hollow, sandwich and real core vertical axis wind generator blade; By cooperate also solid, the hollow various non-linear bamboo bar fibre glass product manufacture that can pultrusion goes out various iso-cross-sections rotations or curve with mould.
The invention has the beneficial effects as follows, the various pulled and extruded bamboo splint-glass fiber reinforced plastic products that go 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, reduced isolating property by bamboo bar and glass fiber yarn by the coating of glass fiber mat, 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.Can determine or not non-twist glass fiber yarn, felt, fabric to wait around single bamboo bar, many bamboo bars, whole bamboo bar and fibers according to usage requirement rotates, what are around amount, can require to design the bamboo bar glass fibre reinforced plastics pultrusion product of various structural styles and bamboo glass ratio according to usability around the few good product performance of amount big bamboo bar surface exposure amount, and improve bamboo glass ratio as far as possible to reduce the demand that cost satisfies large-scale application.Bamboo-glass fiber pultrusion material is compared with bamboo glass fabric pultrusion product to have reduced and is weaved link and shortened technological process, therefore has the low advantage of cost.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the broken section structural representation of bamboo bar glass fibre reinforced plastics pultrusion composite sheet of the present invention.
Fig. 1-1 is the broken section structural representation of bamboo bar glass fibre reinforced plastics composite sheet.
Fig. 1-2 is the local enlarged diagram of bamboo bar glass fibre reinforced plastics composite sheet.
Fig. 2 is a part bamboo bar glass fibre reinforced plastics pultrusion regular pattern composite equipment structure schematic representation, wherein:
Fig. 2-1 is a bamboo bar glass fibre reinforced plastics pultrusion channel-section steel section bar schematic representation.
Fig. 2-2 is a bamboo bar glass fibre reinforced plastics pultrusion sheet material section bar schematic representation.
Fig. 2-3 is a bamboo bar glass fibre reinforced plastics pultrusion I-steel section bar schematic representation.
Fig. 2-4 is a bamboo bar glass fibre reinforced plastics pultrusion pipe profile schematic representation.
Fig. 2-5 is a bamboo bar glass fibre reinforced plastics pultrusion angle steel section bar schematic representation.
Fig. 2-6 is a bamboo bar glass fibre reinforced plastics pultrusion bar section bar schematic representation.
Fig. 2-7 is wrapped up in the central layer schematic representation for the pultrusion of bamboo bar glass fibre reinforced plastics.
Fig. 2-8 is a bamboo bar glass fibre reinforced plastics pultrusion hollow lath schematic representation.
Embodiment:
1. glass fibre reinforced plastics matrixes, 2. bamboo bar among Fig. 1.
In Fig. 1, add glass fiber mat, glass fiber yarn, glasscloth to many as required around glass fiber yarn bamboo bar by pultrusion molding process and invade the stacked pultrusion die that passes through of achievement resin together, form continuous bamboo bar glass fibre reinforced plastics pultrusion sheet material through curing, it is by glass fibre reinforced plastics matrix (1), closely be solidified togather bamboo bar (2).Glass fibre reinforced plastics matrix (1) is formed by one or more reinforcing glass cellulons such as glass fiber mat, glass fiber yarn, glasscloth and resin solidification, and bamboo bar (2) also can be Weft bamboo glass fabric and other reinforcing material that adds as required.The side of bamboo bar glass fibre reinforced plastics pultrusion sheet material can be an Any shape, can be dull and stereotyped, can be the shape of any needs such as arc plate.
Claims (10)
1. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material and goods, it is characterized in that: the bamboo fiber bar that at first bamboo processing is become to press all size of design needs, in advance same specification cross section have limit for length's bamboo fiber bar through butt joint, finger, play splicing such as groove overlap joint, lining felt, lining paper, lining cloth or mechanical coupling becomes the continuous bamboo fiber bar of endless, and coiling well-thought-out plan silver lap; As required the bamboo silver lap of multireel same size or different size is placed on the bamboo silver lap frame on the fiber frame, the every bamboo bar of drawing with the bamboo silver lap is corresponding to be placed to a volume or multireel woven glass roving fabric bobbin on the creel on the fiber frame as required, other reinforcing material such as other fibre glass roving, felt, fabric is placed on the fiber frame on other reinforcing material framves such as corresponding glass fiber yarn, felt, fabric, draw various reinforcing materials such as bamboo bar, fibre glass roving, felt, fabric by organiser, as required by the dehumidifying of dehumidifying heater, heating; Enter steeping vat preimpregnation achievement resin, the reinforcing material that preimpregnation is good (bamboo bar, fibre glass roving, felt, fabric etc.) passes pre-setting mould or device, it is filled glass fiber yarn with the slit of bamboo bar and has been formed the solid profile outer surface by the coating of glasscloth, felt etc. or the hollow profile inner and outer surface increases the bulk strength of section bar with this, make bamboo bar, fibre glass roving, felt, fabric etc. accurately in conjunction with, remove the bubble in unnecessary resin, the eliminating system; Then enter the continuous bamboo bar 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 deflects from mould under the traction of traction gear; After the cutting device fixed length cutting becomes the bamboo bar glass fibre reinforced plastics pultrusion product of Len req.Bamboo bar glass fibre reinforced plastics pultrusion product as required can be in the follow-up surface finish manufacturing procedure of process.The pulled and extruded bamboo splint-glass fiber reinforced plastic product can be solid also can be hollow, the bamboo bar glass fibre reinforced plastics drawing and extruding section bar that can be all size also can be various not specification bamboo bar glass fibre reinforced plastics pultrusion profile shapes.Bamboo bar glass fibre reinforced plastics body linear product mainly contains the real core of bamboo bar glass fibre reinforced plastics pultrusion, sandwich and hollow sheet material, the real core of bamboo bar glass fibre reinforced plastics pultrusion, sandwich and hollow specification section bar, the real core of bamboo bar glass fibre reinforced plastics pultrusion, sandwich and hollow be the specification section bar not, the real core of bamboo bar glass fibre reinforced plastics pultrusion, sandwich and hollow vertical axis wind generator blade, the real abdomen of bamboo bar glass fibre reinforced plastics pultrusion, empty stomach and sandwich door and window profile material, bamboo bar glass fibre reinforced plastics pultrusion tubing, the pultrusion of bamboo bar glass fibre reinforced plastics is square, the pultrusion product of various other the various sectional shapes of rectangle tubing or the like.
2. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods is characterized in that: have limit for length bamboo bar can be bamboo wood is cut off after split cut, the various processing modes of rotary-cut, slicing, milling or bamboo wood slicing, milling, sawing or the like obtain; Can be the transverse shape of any needs, and satisfied butt joint, finger, beat the joint geometry that groove overlap joint, lining felt, lining paper, lining cloth or the like spreading requires.
3. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods is characterized in that: the bamboo bar can be to be connected into volume in advance continuously, now connects in the time of also can being pultrusion; Now connect be the bamboo bar of the same specification that processes with pultrusion speed by selected corresponding gluing of head and the tail of bar mode or mechanical connection or the like the various bar modes that connect that connect.
4. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods is characterized in that: bamboo bar, continuous bamboo bar can partly or entirely substitute with other material.
5. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods is characterized in that: bamboo bar fibre glass roving can substitute with other glass fiber yarn, glass fiber mat, glasscloth continuously; 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. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods, it is characterized in that: resin can be unsaturated polyester resin, epoxy resin, phenolic resin, etc. thermosetting resin, 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. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods 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. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods, it 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. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods, it is characterized in that: bamboo glass fibre reinforced plastics body linear product mainly contains the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow sheet material, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow specification section bar, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow be the specification section bar not, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow vertical axis wind generator blade, the real abdomen of bamboo glass fibre reinforced plastics pultrusion, empty stomach and sandwich door and window profile material, bamboo glass fibre reinforced plastics pultrusion tubing, the pultrusion of bamboo glass fibre reinforced plastics is square, the many series products of rectangle tubing or the like.
10. the forming method of bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material according to claim 1 and goods is characterized in that: various bamboo FRP SANDWICH STRUCTURE MATERIALS can be various honeycomb cores, foam or the like light materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910026327A CN101871562A (en) | 2009-04-21 | 2009-04-21 | Bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material and method for molding products |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910026327A CN101871562A (en) | 2009-04-21 | 2009-04-21 | Bamboo-glass fiber pulled and extruded bamboo splint-glass fiber reinforced plastic composite engineering material and method for molding products |
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| CN101871562A true CN101871562A (en) | 2010-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114222633A (en) * | 2019-06-20 | 2022-03-22 | 银河有限责任公司 | Pultrusion of profiles with non-uniform cross-section |
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- 2009-04-21 CN CN200910026327A patent/CN101871562A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114222633A (en) * | 2019-06-20 | 2022-03-22 | 银河有限责任公司 | Pultrusion of profiles with non-uniform cross-section |
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Application publication date: 20101027 |