CN108215383A - Can quick composite molding thermoplasticity prepreg fabric structure - Google Patents

Can quick composite molding thermoplasticity prepreg fabric structure Download PDF

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Publication number
CN108215383A
CN108215383A CN201810103211.6A CN201810103211A CN108215383A CN 108215383 A CN108215383 A CN 108215383A CN 201810103211 A CN201810103211 A CN 201810103211A CN 108215383 A CN108215383 A CN 108215383A
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China
Prior art keywords
layer
fibre
knitted textile
fabric structure
mix
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Pending
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CN201810103211.6A
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Chinese (zh)
Inventor
朱波
乔琨
刘玉兰
周亮
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Shandong Zhongheng New Carbon Fiber Technology Development Co Ltd
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Shandong Zhongheng New Carbon Fiber Technology Development Co Ltd
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Priority to CN201810103211.6A priority Critical patent/CN108215383A/en
Publication of CN108215383A publication Critical patent/CN108215383A/en
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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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
    • B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
    • 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
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • 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
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • 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
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • 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
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • 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
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • B32B2264/0228—Vinyl resin particles, e.g. polyvinyl acetate, polyvinyl alcohol polymers or ethylene-vinyl acetate copolymers
    • B32B2264/0235—Aromatic vinyl resin, e.g. styrenic (co)polymers
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • 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
    • B32B2307/558—Impact strength, toughness

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The invention discloses it is a kind of can quick composite molding thermoplasticity prepreg fabric structure, belong to high-performance fiber prepreg fabric preparation field.It is described quickly the thermoplasticity prepreg fabric structure of composite molding to include first surface fused fiber layer and second surface fused fiber layer and formed using thermoplastic fibre fabric or molten thermoplastic powder；Mix among first and mix knitted textile layer among knitted textile layer and second using thermoplastic fibre Farraginous carbon fiber formation two-dimensional fabric structure；Main body meldable fibre layer is made of high-strength carbon fibre one-way fabric, the main body meldable fibre layer can be powered generate fuel factor by the meldable fibre of the first surface fused fiber layer and second surface fused fiber layer melt, ultimately form carbon fibre initial rinse raw material.Prepreg cloth shaping speed of the present invention is fast, and it is small to cool down rapid thermal inertia, avoids a large amount of heat energy loss.

Description

Can quick composite molding thermoplasticity prepreg fabric structure
Technical field
The present invention relates to high-performance fiber prepreg fabric preparation field, particularly relate to it is a kind of can quick composite molding thermoplastic Property prepreg fabric structure.
Background technology
Continuous carbon fibre long filament or carbon fiber mix the assorted fibre enhancing Fabric prereg or prepreg cloth of other fibers, base In the mechanical characteristic advantage of the high strength and modulus of carbon fiber and other high-tenacity fibers, in industry, agricultural, traffic and boat The manufacture field of empty aerospace composite product is widely applied.It is continuous with thermoplastic carbon fiber resin composite materials Development and the continuous improvement of processing technology, a kind of intermediate semi-finished products as fibre reinforced thermoplastic resin based composite material are former Material --- thermoplasticity carbon fiber prepreg or carbon fiber hybrid prepreg have also obtained faster development.
The preparation of current carbon fiber or carbon fiber hybrid fiber prepreg material is mainly using hot melt infusion process, solution dipping method Or prepared by powder infusion method.And for the melting of current thermoplastic resin problem more rambunctious, various heating equipments Structure design becomes the emphasis of research, but in view of the problems of mechanized equipment technology, smoothly realize high efficiency serialization The preparation of continuous fiber thermoplasticity prepreg cloth still has larger difficulty；And the dissolving of High performance plastic resin is also that can not solve Certainly the problem of, thus selection for solvent and solvent toxicity to avoid be also serious technical barrier.
And carbon fiber is a kind of inorganic fiber of characteristic of semiconductor, itself, which is powered, can instantaneously generate larger thermal effect Should, it can prepare different types of electric heater unit, such as infrared electric heating line, infrared heating using the characteristic of carbon fiber heating power Element etc., and in the preparation process of carbon fiber hybrid prepreg cloth, it, especially in the preparation process of thermoplastic resin prepreg The melting for being rapidly achieved thermoplastic resin base material (powder, fiber etc.) is crucial technical step, and traditional technology of preparing is often Reach melting effect in a manner that outside is heated, process is long, energy consumption is big, serialization effect is bad.Therefore a kind of utilization is attempted The prepreg cloth molding mode that the new-type heat-melting of carbon fiber energization generation fuel factor is compound becomes the novel direction studied.
Invention content
The present invention provide it is a kind of can quick composite molding thermoplasticity prepreg fabric structure, can be in the pressurization of live-roller Surface energization is carried out at the same time in journey, melt impregnation process is completed by instantaneous carbon fiber thermal effect, prepreg cloth shaping speed is fast, cold Rapid thermal inertia is small, avoids a large amount of heat energy loss.
In order to solve the above technical problems, present invention offer technical solution is as follows：
It is a kind of can quick composite molding thermoplasticity prepreg fabric structure, successively including first surface fused fiber layer, Mix knitted textile layer, main body meldable fibre layer among one, mix knitted textile layer, second surface fused fiber among second Layer, wherein：
The first surface fused fiber layer and second surface fused fiber layer use thermoplastic fibre fabric or melting Thermoplasticity powder is formed；
Mix among described first and mix knitted textile layer among knitted textile layer and second and mixed using thermoplastic fibre Miscellaneous carbon fiber forms two-dimensional fabric structure；
The main body meldable fibre layer is made of high-strength carbon fibre one-way fabric, and the main body meldable fibre layer can be powered It generates fuel factor to melt the meldable fibre of the first surface fused fiber layer and second surface fused fiber layer, ultimately form Carbon fibre initial rinse raw material.
Further, the carbon fiber of the main body meldable fibre layer is using one kind in T300, T700, T800, T1000.
Further, the arrangement breadth of the carbon fiber of the main body meldable fibre layer is controlled in the range of 0.5-1.6m.
Further, the surface density of the carbon fiber of the main body meldable fibre layer is controlled in 16-22g/m2In the range of.
Further, mix the two-dimensional fabric for mixing knitted textile layer among knitted textile layer and second among described first Structure is using one kind in plain weave, twill, satin weave.
Further, mix among described first mix among knitted textile layer and second knitted textile layer thermoplasticity it is fine For dimension using one kind in UHMWPE fibers, aramid fiber, carbon fiber uses one kind in T300, T700, T800, T1000, described The arrangement breadth for mixing the fiber for mixing knitted textile layer among knitted textile layer and second among first is controlled in 0.5-1.6m In the range of.
Further, the thermoplastic fibre fabric of the first surface fused fiber layer and second surface fused fiber layer is equal Use using one kind in the plain weave, twill, satin weave of two dimension or directly molten thermoplastic powder.
Further, the granularity control of the first surface fused fiber layer and the powder in second surface fused fiber layer Between 800-2000 mesh, thermoplastic resin material used uses polyethylene, polypropylene, polystyrene, polyphenylene sulfide, gathers system One kind in ether ketone, polyether-ether-ketone.
Further, the energization melt impregnation mode of the thermoplasticity prepreg fabric structure, the first surface is melted Fibrous layer mixes knitted textile layer, main body meldable fibre layer among first, mixes knitted textile layer, second surface among second This five layer stacked structures fabric of fused fiber layer is continuously driven on fixed conveyor roller, applies certain pressure between live-roller It pressurizes to fabric laminate structure, the pressure of pressurization is controlled in the range of 2-10MPa, and the velocity of rotation of live-roller is controlled in 2- 10m/min, transmission roll body are powered to roll body equipped with auxiliary power device, and voltage is according to the surface density of carbon fiber in 10-50V Between adjust, the final temperature for ensureing fabric entirety is in the hot melting temperature claimed range completion melt impregnation process of resin matrix.
The invention has the advantages that：
The present invention can quick composite molding thermoplasticity prepreg fabric structure, fabric itself can heating power reach molten Melt thermoplastic resin powder layer thermoplastic fibre tow, form the prepreg fabric structure of melt impregnation composite construction, the fabric knot Structure includes：First surface fused fiber (powder) layer mixes in knitted textile layer, main body meldable fibre layer, second among first Between mix knitted textile layer and second surface fused fiber (powder) layer five-layer structure overlapping composition, wherein presoaking laminated fabric Melt surface fiber (powder) layer formed using thermoplastic fibre fabric or molten thermoplastic powder；It mixes bilevel centre Miscellaneous knitted textile layer uses thermoplastic fibre Farraginous carbon fiber to form two-dimensional fabric structure and is mainly provided for entire prepreg fabric cloth Thermoplastic fibre toughness assists carbon fiber to play rigidity enhancing simultaneously；Main body meldable fibre layer is by high-strength carbon fibre one-way fabric structure It can be powered into, the meldable fibre layer and generate fuel factor and melt the meldable fibre of melt surface fiber (powder) layer, ultimately form Carbon fibre initial rinse raw material, which can be carried out at the same time surface energization in the pressure process of live-roller, by instantaneous Carbon fiber thermal effect completes melt impregnation process, and prepreg cloth shaping speed is fast, and it is small to cool down rapid thermal inertia, avoid it is a large amount of plus Thermal energy loses.
Description of the drawings
Fig. 1 be the present invention can the quick thermoplasticity prepreg fabric structure of composite molding structure diagram, wherein：1 One melt surface fibrous layer mixes knitted textile layer, 3 main body meldable fibre layers among 2 first, mixes braiding among 4 second and knit Nitride layer, 5 second surface fused fiber layers.
Specific embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.
The present invention provide it is a kind of can quick composite molding thermoplasticity prepreg fabric structure, as shown in Figure 1, successively including the Mix knitted textile layer 2 among one melt surface fiber (powder) layer 1, first, mix among main body meldable fibre layer 3, second Knitted textile layer 4, second surface fused fiber (powder) layer 5, wherein：
First surface fused fiber layer 1 and second surface fused fiber layer 5 use thermoplastic fibre fabric or melting heat Plasticity powder is formed；
Mix among first and mix knitted textile layer 4 among knitted textile layer 2 and second and mixed using thermoplastic fibre Carbon fiber forms two-dimensional fabric structure；
Main body meldable fibre layer 3 is made of high-strength carbon fibre one-way fabric, and main body meldable fibre layer 3, which can be powered, generates heat Effect melts the meldable fibre of first surface fused fiber layer 1 and second surface fused fiber layer 5, and it is pre- to ultimately form carbon fiber Soak raw material.
The present invention can quick composite molding thermoplasticity prepreg fabric structure, fabric itself can heating power reach molten Melt thermoplastic resin powder layer thermoplastic fibre tow, form the prepreg fabric structure of melt impregnation composite construction, the fabric knot Structure includes：First surface fused fiber (powder) layer mixes in knitted textile layer, main body meldable fibre layer, second among first Between mix knitted textile layer and second surface fused fiber (powder) layer five-layer structure overlapping composition, wherein presoaking laminated fabric Melt surface fiber (powder) layer formed using thermoplastic fibre fabric or molten thermoplastic powder；It mixes bilevel centre Miscellaneous knitted textile layer uses thermoplastic fibre Farraginous carbon fiber to form two-dimensional fabric structure and is mainly provided for entire prepreg fabric cloth Thermoplastic fibre toughness assists carbon fiber to play rigidity enhancing simultaneously；Main body meldable fibre layer is by high-strength carbon fibre one-way fabric structure It can be powered into, the meldable fibre layer and generate fuel factor and melt the meldable fibre of melt surface fiber (powder) layer, ultimately form Carbon fibre initial rinse raw material, which can be carried out at the same time surface energization in the pressure process of live-roller, by instantaneous Carbon fiber thermal effect completes melt impregnation process, and prepreg cloth shaping speed is fast, and it is small to cool down rapid thermal inertia, avoid it is a large amount of plus Thermal energy loses.
Preferably, the carbon fiber of main body meldable fibre layer 3 may be used any one in T300, T700, T800, T1000 Kind.
Further, the arrangement breadth of the carbon fiber of main body meldable fibre layer 3 is controlled in the range of 0.5-1.6m.
Further, the surface density of the carbon fiber of main body meldable fibre layer 3 is controlled in 16-22g/m2In the range of, Ke Yigen It is adjusted flexibly according to requirement.
Preferably, mix the two-dimensional fabric structure for mixing knitted textile layer 4 among knitted textile layer 2 and second among first Using any one in plain weave, twill, satin weave.
As a modification of the present invention, mix among first and mix knitted textile layer 4 among knitted textile layer 2 and second Thermoplastic fibre using UHMWPE fibers, any one in aramid fiber, carbon fiber using T300, T700, T800, Any one in T1000, mixing ratio and being adjusted flexibly according to requirements for two kinds of fibers, mixes braiding among first Mix the arrangement breadth and the one of above-mentioned main body meldable fibre layer 3 of the fiber of knitted textile layer 4 among tissue layer 2 and second It causes, controls in the range of 0.5-1.6m.
Preferably, the thermoplastic fibre fabric of first surface fused fiber layer 1 and second surface fused fiber layer 5 can be with Use using any one in the plain weave, twill, satin weave of two dimension or directly molten thermoplastic powder.
Further, the granularity of first surface fused fiber layer 1 and the powder in second surface fused fiber layer 5 controls Between 800-2000 mesh, thermoplastic resin material used may be used polyethylene, polypropylene, polystyrene, polyphenylene sulfide, In any one and not limited to this range in polyether-ketone, polyether-ether-ketone.
In the present invention, the energization melt impregnation mode of thermoplasticity prepreg fabric structure, by first surface fused fiber layer 1, Mix knitted textile layer 2 among first, mix knitted textile layer 4, second surface melting among main body meldable fibre layer 3, second This five layer stacked structures fabric of fibrous layer 5 is continuously driven on fixed conveyor roller, applies certain pressure pair between live-roller Fabric laminate structure is pressurizeed, and the pressure of pressurization is controlled in the range of 2-10MPa, and the velocity of rotation of live-roller is controlled in 2- 10m/min, transmission roll body are powered to roll body equipped with auxiliary power device, and voltage is according to the surface density of carbon fiber in 10-50V Between adjust, the final temperature for ensureing fabric entirety is in the hot melting temperature claimed range completion melt impregnation process of resin matrix.
The feature and details further illustrated the present invention with reference to specific embodiment, but listed process and data are unexpectedly Taste limitation of the scope of the invention.
Embodiment 1
Main body meldable fibre layer uses surface density 12g/m2, 0.5 meter of breadth T300 one-way fabrics maintain fixed tension, two Side surface selects the plain weave fabric structure for mixing T300 carbon fibers based on UHMWPE fibers to prepare the centre of 0.5 meter of breadth to mix Knitted textile layer, the outer surface that centre mixes knitted textile layer select polyethylene fibre to prepare plain cloth melt surface fiber Layer, general thickness are controlled in 0.5mm；
Above-mentioned laminated fabric is continuously driven with the transmission speed of 10m/min on fixed conveyor roller, is applied between live-roller The pressure of 10MPa, transmission roll body lead to roll body 50V voltages equipped with auxiliary power device, melt melt surface fibrous layer, formed Quick composite thermoplastic prepreg fabric.
Embodiment 2
Main body meldable fibre layer uses surface density 16g/m2, 1.6 meters of breadth T700 one-way fabrics maintain fixed tension, two Side surface selects the satin weave structures for mixing T700 carbon fibers based on UHMWPE fibers to prepare the centre of 1.6 meters of breadth to mix Knitted textile layer, the outer surface that centre mixes knitted textile layer select polypropylene fibre to prepare grain surface fused fiber layer, always Body thickness is controlled in 0.9mm；
Above-mentioned laminated fabric is continuously driven with the transmission speed of 8m/min on fixed conveyor roller, is applied between live-roller The pressure of 5MPa, transmission roll body lead to roll body 20V voltages equipped with auxiliary power device, melt melt surface fibrous layer, formed Quick composite thermoplastic prepreg fabric.
Embodiment 3
Main body meldable fibre layer uses surface density 22g/m2, 1.6 meters of breadth T800 one-way fabrics maintain fixed tension, two Side surface selects the twill weave structures for mixing T800 carbon fibers based on aramid fiber to prepare the centre of 1.6 meters of breadth to mix volume Woven fabric layer, centre mix the melt surface powder that the outer surface of knitted textile layer selects polystyrene to prepare 2000 mesh of granularity Layer, general thickness are controlled in 0.5mm；
Above-mentioned laminated fabric is continuously driven with the transmission speed of 9m/min on fixed conveyor roller, is applied between live-roller The pressure of 6MPa, transmission roll body lead to roll body 30V voltages equipped with auxiliary power device, melt melt surface powder layer, formed Quick composite thermoplastic prepreg fabric.
Embodiment 4
Main body meldable fibre layer uses surface density 18g/m2, 1 meter of breadth T1000 one-way fabrics maintain fixed tension, two Mix the twill weave structures of T1000 carbon fibers based on side surface selection UHMWPE fibers, the centre for preparing 1 meter of breadth mixes Knitted textile layer, the melt surface that the outer surface that centre mixes knitted textile layer selects polyphenylene sulfide to prepare 1500 mesh of granularity are fine Powder layer is tieed up, general thickness is controlled in 0.8mm；
Above-mentioned laminated fabric is continuously driven with the transmission speed of 7m/min on fixed conveyor roller, is applied between live-roller The pressure of 6MPa, transmission roll body lead to roll body 40V voltages equipped with auxiliary power device, melt melt surface powder layer, formed Quick composite thermoplastic prepreg fabric.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (9)

1. it is a kind of can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that melted successively including first surface Fibrous layer mixes knitted textile layer, main body meldable fibre layer among first, mixes knitted textile layer, second surface among second Fused fiber layer, wherein：
The first surface fused fiber layer and second surface fused fiber layer are using thermoplastic fibre fabric or melting thermoplastic Property powder form；
Mix among described first and mix knitted textile layer among knitted textile layer and second carbon is mixed using thermoplastic fibre Fiber forms two-dimensional fabric structure；
The main body meldable fibre layer is made of high-strength carbon fibre one-way fabric, and the main body meldable fibre layer can be powered generation Fuel factor melts the meldable fibre of the first surface fused fiber layer and second surface fused fiber layer, ultimately forms carbon fibre Dimension preimpregnation raw material.
2. it is according to claim 1 can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that the master Body heat melts the carbon fiber of fibrous layer using one kind in T300, T700, T800, T1000.
3. it is according to claim 2 can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that the master The arrangement breadth that body heat melts the carbon fiber of fibrous layer is controlled in the range of 0.5-1.6m.
4. it is according to claim 3 can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that the master The surface density that body heat melts the carbon fiber of fibrous layer is controlled in 16-22g/m2In the range of.
5. it is according to claim 1 can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that described Mix the two-dimensional fabric structure for mixing knitted textile layer among knitted textile layer and second among one using plain weave, twill, satin weave In one kind.
6. it is according to claim 5 can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that described Mix the thermoplastic fibre for mixing knitted textile layer among knitted textile layer and second among one using UHMWPE fibers, aramid fiber fibre One kind in dimension, carbon fiber use one kind in T300, T700, T800, T1000, mix knitted textile layer among described first With second among mix knitted textile layer fiber arrangement breadth control in the range of 0.5-1.6m.
7. it is according to claim 1 can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that described The thermoplastic fibre fabric of one melt surface fibrous layer and second surface fused fiber layer is using the plain weave, twill, satin of two dimension One kind in line directly uses molten thermoplastic powder.
8. it is according to claim 7 can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that described The granularity of one melt surface fibrous layer and the powder in second surface fused fiber layer is controlled between 800-2000 mesh, used Thermoplastic resin material using polyethylene, polypropylene, polystyrene, polyphenylene sulfide, polyether-ketone, one kind in polyether-ether-ketone.
9. it is according to claim 1 can quick composite molding thermoplasticity prepreg fabric structure, which is characterized in that the heat The energization melt impregnation mode of plasticity prepreg fabric structure will mix braiding among the first surface fused fiber layer, first Tissue layer, main body meldable fibre layer mix knitted textile layer, second surface fused fiber layer this five layer stacked structure among second Fabric is continuously driven on fixed conveyor roller, is applied certain pressure between live-roller and is pressurizeed to fabric laminate structure, The pressure of pressurization is controlled in the range of 2-10MPa, and in 2-10m/min, transmission roll body is furnished with auxiliary for the velocity of rotation control of live-roller Power device is helped to be powered roll body, voltage is adjusted according to the surface density of carbon fiber between 10-50V, finally ensures fabric Whole temperature completes melt impregnation process in the hot melting temperature claimed range of resin matrix.
CN201810103211.6A 2018-02-01 2018-02-01 Can quick composite molding thermoplasticity prepreg fabric structure Pending CN108215383A (en)

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