CN206765469U - A kind of fiber-reinforced polymer felt material and its composite board with polypropylene woven object plane layer - Google Patents
A kind of fiber-reinforced polymer felt material and its composite board with polypropylene woven object plane layer Download PDFInfo
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- CN206765469U CN206765469U CN201720515894.7U CN201720515894U CN206765469U CN 206765469 U CN206765469 U CN 206765469U CN 201720515894 U CN201720515894 U CN 201720515894U CN 206765469 U CN206765469 U CN 206765469U
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Abstract
The utility model discloses a kind of fiber-reinforced polymer felt material and its composite board with polypropylene woven object plane layer, belongs to automotive material and manufactures and designs field.Improved adhesive linkage is that traditional polypropylene film is become polypropylene woven cloth in the utility model, and together with being linked to fiber composite felt by way of acupuncture.Composite plate molding process is subsequently placed in compression molding in mould, wherein polypropylene woven cloth plays bonding effect for felt material and face decorative layer are directly carried out contact heating.The invention is by being directly mounted in polypropylene woven cloth acupuncture group on fiber reinforced substrate, it is prepared into composite felt material, and directly it can carry out disposable machine-shaping composite board using the felt material and topcoat, reduce molding procedure, reduce production cost, and polypropylene woven cloth plays humidification to the strength and stiffness of composite board, while encapsulation effect also is played to fiber reinforced substrate, reduce VOC release.
Description
Technical field
The utility model belongs to automotive material and manufactures and designs field.
Background technology
In recent years, environmentally friendly, low effumability small organic molecule (VOC) content, low cost are in fibre reinforced composites
Field has been rooted in the hearts of the people, and natural fiber is widely used with the good characteristic such as its ecological, environmental protective, degradable, and is widely used in
Automotive interior material.But natural ramie fiber is during processing and use, due to the change of external factor so that flaxen fiber table
The pectin of face residual, hemicellulose, the substance decomposition such as lignin generation formaldehyde, acetaldehyde, methacrylaldehyde, benzene, toluene, styrene etc. pair
The harmful effumability small organic molecule (VOC) of human body.In addition, matrices of composite material thermoplastic resin is being processed and used
Cheng Zhong, can also it produce the organic compounds such as part ketone, aldehydes low molecule.And automotive trim natural fiber strengthens compound
Material product typically has direct or indirect contact with human body, and is in the environment of relative closure, these volatile small point
Sub- organic matter can cause serious harm to the health of user, so as to constrain automotive trim natural-fiber composite material
Using and development.Therefore, how reducing VOC discharge will be subject matter that industry development faces.
In addition, between existing fiber reinforced substrate and topcoat, typically using polypropylene (PP) fiber membrane, it is combined to
The problems such as on base material, playing bonding effect, but it is high, it is necessary to reheating cost to be present, and bonding being present loosely；Or directly apply
Daub, it is allowed to bond together, the introducing that external source glue be present, so as to add VOC emission source.Therefore, how to reduce and be produced into
This, it will be problem that the development of this kind of materials industrialization must solve to improve production efficiency.
The content of the invention
In order to overcome above-mentioned technical problem, the utility model proposes a kind of fiber increasing with polypropylene woven object plane layer
Strength polymer felt material, it is two layers of polypropylene braid and the composite fibre carpet veneer composition folded by centre；Two layers of polypropylene weaves
Thing is linked by fiber with mixed fibre felt and interconnected；The composite fibre carpet veneer is reinforcing fiber and resin fibre
Mixed fibre felt, wherein, reinforcing fiber be by the natural ramie fiber of degumming process, the glass fibre by submissive processing,
One kind in carbon fiber and basalt fibre by combing reason processing；Resin fibre is polypropylene or acid fiber by polylactic.
Increase topcoat on the basis of the fiber-reinforced polymer felt material with polypropylene woven object plane layer then to be had
There is the fiber-reinforced polymer composite board of polypropylene woven object plane layer
A kind of preparation method of fiber-reinforced polymer felt material and its sheet material with polypropylene woven object plane layer is specific such as
Under：
1) reinforcing fiber and resin fibre carry out mixing felt and obtain mixed fibre felt；Weight ratio wherein shared by reinforcing fiber
Preferably 30%~70%, resin fibre is 70%~30%.
2) polypropylene woven thing is placed in the upper and lower surface of mixed fibre felt, mixed fibre felt and polypropylene are made by acupuncture
Fiber hook in braid connects together to obtain the fiber-reinforced polymer felt material with polypropylene woven object plane layer；Polypropylene is compiled
The thickness ratio of fabric and mixed fibre felt is preferably 1:(8~10).
3) topcoat is placed in mould together with the fiber-reinforced polymer felt material with polypropylene woven object plane layer,
It is hot-forming more than the melting temperature of resin fibre under 10~20 DEG C of temperature conditionss, obtain with polypropylene woven object plane layer
Fiber-reinforced polymer composite board.
Place is modified to reinforcing fiber according to reinforcing fiber and the selection of the surface polarity property of resin fibre in step 1)
Reason, improve interfacial bonding property.The specific of modification uses surface grafting method.
It is of the present utility model effective：
Good environmental protection, light weight, stiffness and strength are high, processing technology is simple, inexpensive, widely used.Can extensive use
In fields such as automotive upholstery, furniture decoration, packagings, have a good application prospect, be that a kind of environment-friendly light is multi-functional new
Type composite.
Brief description of the drawings
Fiber reinforcement felt materials of the Fig. 1 with adhesive linkage and its composite board preparation method schematic diagram.
Fiber reinforcement felt material schematic diagrames of the Fig. 2 with adhesive linkage；
Fig. 3 has the fiber-reinforced polymer composite board schematic diagram of polypropylene woven object plane layer.
Reference：1- polypropylene wovens thing, the mixed fibre felt of 2- reinforcing fibers and resin fibre, 3- topcoats.
Embodiment
The china-hemp fibers of embodiment 1
As shown in figure 1, china-hemp fibers are carried out degumming process first, then grafting processing is carried out to china-hemp fibers, improve it
Surface polarity, china-hemp fibers and polypropylene fibre are then carried out combing mixing, mixed fibre felt is prepared by felt equipment, connect
And polypropylene woven cloth is placed in fibrofelt material both sides, carry out needling treatment, the effect linked by acupuncture, weave propylene
Fully connected between cloth and mixed fibre felt, the fibrofelt material with polypropylene woven object plane layer is prepared into by modular system.
Wherein grafting is handled, and using 1wt% maleic anhydride solution, Chinese fiber crops are soaked.Ratio in mixed fibre felt is Chinese fiber crops
The thickness proportion 1 of fiber 40wt% and resin fibre 60wt%, polypropylene woven cloth and mixed fibre felt:10.
The preparation technology of composite board, using this felt material, heated, 10~20 DEG C more than polypropylene fusion temperature
Under temperature conditionss, the felt material for being heated to semi-molten state is placed in mould, then facial ornament is placed in mould, enters over pressurizeed mould
It is molded, disposably prepare automotive trim parts.
And after tested, the sheet material prepared using the technique, enhancing is served due to having added polypropylene woven cloth
Effect, its mechanical property improve 5~20%.Simultaneously as the encapsulation effect of polypropylene woven cloth, its VOC burst size maintains
In a very low level, the VOC burst sizes than traditional approach reduce 80%.
The glass fibre of embodiment 2
Glass fibre is carried out submissive processing first, then grafting processing is carried out to glass fibre, then glass fibre and
Polypropylene fibre carries out combing mixing, prepares mixed fibre felt, and polypropylene woven cloth is then placed in fibrofelt material both sides, entered
Row needling treatment, it is prepared into the fibrofelt material with polypropylene woven object plane layer.Ratio in mixed fibre felt is glass fibre
The thickness proportion 1 of 60wt% and resin fibre 40wt%, polypropylene woven cloth and mixed fibre felt:10.
The preparation technology of composite board, using this felt material, heated, 10~20 DEG C more than polypropylene fusion temperature
Under temperature conditionss, the felt material for being heated to semi-molten state is placed in mould, then facial ornament is placed in mould, through over pressurizeed,
Disposable compression molding.
And after tested, the sheet material prepared using the technique, enhancing is served due to having added polypropylene woven cloth
Effect, its mechanical property improve 10~30%.Simultaneously as the encapsulation effect of polypropylene woven cloth, and its reinforcing fiber is
Glass fibre, its VOC burst size maintain a lower level, and the VOC burst sizes than traditional approach reduce 90%.
The carbon fiber of embodiment 3
Carbon fiber is carried out combing reason processing first, then grafting processing is carried out to carbon fiber, then carbon fiber and poly- third
Alkene fiber carries out combing mixing, prepares mixed fibre felt, and polypropylene woven cloth is then placed in fibrofelt material both sides, enters the hand-manipulating of needle
Thorn processing, is prepared into the fibrofelt material with polypropylene woven object plane layer.Ratio in mixed fibre felt is carbon fiber 30wt%
With resin fibre 70wt%, the thickness proportion 1 of polypropylene woven cloth and mixed fibre felt:8.
The preparation technology of composite board, using this felt material, heated, 10~20 DEG C more than polypropylene fusion temperature
Under temperature conditionss, the felt material for being heated to semi-molten state is placed in mould, then facial ornament is placed in mould, through over pressurizeed,
Disposable compression molding.
And after tested, the sheet material prepared using the technique, enhancing is served due to having added polypropylene woven cloth
Effect, its mechanical property improve 40~60%.Simultaneously as the encapsulation effect of polypropylene woven cloth, and its reinforcing fiber is
Carbon fiber, its VOC burst size maintain a lower level, and the VOC burst sizes than traditional approach reduce 90%.
After tested, the sheet material prepared using the technique, combination property are obtained for lifting, and realize low cost,
A kind of new preparation process of high efficiency, low VOC.
Polypropylene fibre can also use acid fiber by polylactic to replace in the utility model.
Claims (4)
1. a kind of fiber-reinforced polymer felt material with polypropylene woven object plane layer, it is characterised in that the felt material is by two stratas
Propylene braid forms with the composite fibre carpet veneer folded by centre；Pass through fibre between two layers of polypropylene braid and mixed fibre felt
Dimension, which links, to interconnect；
The composite fibre carpet veneer is the mixed fibre felt of reinforcing fiber and resin fibre, wherein, reinforcing fiber is by degumming
In the natural ramie fiber of processing, the glass fibre by submissive processing, carbon fiber and basalt fibre by combing reason processing
One kind；Resin fibre is polypropylene fibre or acid fiber by polylactic.
2. a kind of fiber-reinforced polymer felt material with polypropylene woven object plane layer according to claim 1, its feature
It is, the thickness ratio of polypropylene woven thing and mixed fibre felt is 1:(8~10).
3. a kind of fiber-reinforced polymer felt material with polypropylene woven object plane layer according to claim 1, its feature
It is, the percentage by weight of reinforcing fiber is 30%~70% in mixed fibre felt, resin fibre 70%-30%.
A kind of 4. fiber-reinforced polymer composite board with polypropylene woven object plane layer, it is characterised in that the sheet material by
Fiber-reinforced polymer felt material and topcoat with polypropylene woven object plane layer are formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720515894.7U CN206765469U (en) | 2017-05-10 | 2017-05-10 | A kind of fiber-reinforced polymer felt material and its composite board with polypropylene woven object plane layer |
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| CN201720515894.7U CN206765469U (en) | 2017-05-10 | 2017-05-10 | A kind of fiber-reinforced polymer felt material and its composite board with polypropylene woven object plane layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016743A (en) * | 2019-04-18 | 2019-07-16 | 浙江理工大学 | A kind of enhanced composite fabric material of hemp/high-strength polyester and preparation method thereof |
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2017
- 2017-05-10 CN CN201720515894.7U patent/CN206765469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016743A (en) * | 2019-04-18 | 2019-07-16 | 浙江理工大学 | A kind of enhanced composite fabric material of hemp/high-strength polyester and preparation method thereof |
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