CN102582140A - Raw bamboo fiber and polypropylene staple fiber composite molding interior panel and preparation process thereof - Google Patents
Raw bamboo fiber and polypropylene staple fiber composite molding interior panel and preparation process thereof Download PDFInfo
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- CN102582140A CN102582140A CN2012100343178A CN201210034317A CN102582140A CN 102582140 A CN102582140 A CN 102582140A CN 2012100343178 A CN2012100343178 A CN 2012100343178A CN 201210034317 A CN201210034317 A CN 201210034317A CN 102582140 A CN102582140 A CN 102582140A
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Abstract
The invention provides a raw bamboo fiber and polypropylene staple fiber composite molding interior panel and a preparation process thereof. The interior panel has a surface layer of a decorative fabric, a second layer of a hot melt adhesive film, a third layer of a first non-woven fabric, a fourth layer of a raw bamboo fiber and polypropylene staple fiber mixed needled felt and a fifth layer of a second non-woven fabric, wherein the raw bamboo fiber and polypropylene staple fiber mixed needled felt comprises the following components in percentage by weight: 53 to 56 percent of raw bamboo fiber and 44 to 47 percent of polypropylene staple fiber. The composite molding interior panel has excellent comprehensive performance and is high in environment friendliness.
Description
[technical field]
The present invention relates to a kind of bamboo fiber and polypropene staple composite molding trim panel and preparation technology thereof who is applied to the automotive trim plate substrate.
[background technology]
Each big main engine plants of automobile industry all pay close attention to the feature of environmental protection of automotive trim very much, and the embodiment of the automotive trim feature of environmental protection is mainly aspect two: one relates to the healthy technical indicator of riding personnel for the content of formaldehyde of automotive interior material, total carbon volatile quantity etc.; Two is whether reusable edible and be prone to degraded of automotive interior material.According to the rules of the European Community, must be to automobile in 2015 with 95% the made that can be recycled, this also just requires the natural fiber raw material developing environmental protection, the circular regeneration operating characteristic is arranged.China does not also have relevant laws and regulations at present, but in evolution from now on, will pay attention to the environmental protection and the reusable edible performance of material gradually yet.
It is a lot of to be widely used in the automotive interior material such as glass fiber reinforced polyester ammonia ester, glass fiber reinforced polypropylene of automobile industry glass fiber content at present.Glass is a kind of difficult degradation material, and glass has injury to human body easily in process.Use flaxen fiber comparatively widely, human body is not had injury, degraded easily, but the flaxen fiber water absorption rate is high, not antibiotic, goes mouldy easily, in use easy hygroscopic deformation, even generation is gone mouldy.
The bamboo fibre product is a kind of tool health-oriented products with broad prospects for development.Aspect a lot, properties of bamboo all has very good performance.Bamboo fibre is a kind of degradable fiber, and in earth, can decompose fully, and surrounding environment is not caused damage, and is a kind of natural environmental-protective type green fiber truly.Under same condition, the bacterium procreation of in cotton, wood-fibred goods, surviving not only can not be survived for a long time in bamboo fibre, and can also be disappeared in the short time, reduce, and has natural antibacterial, antibacterial function.The bamboo fibre product has had stronger wrinkle resistance, wearability, stronger characteristics such as vertical and horizontal intensity preferably.And but bamboo fibre reinforced polypropylene compound material specific modulus is high, specific strength is big, easy to process in addition, is highly suitable for automotive upholstery.
Open day is on 08 10th, 2011; Publication number is that the Chinese patent of CN102145552A discloses a kind of thermoplasticity bamboo fibre composite board and manufacturing approach thereof; Wherein fire retardant and coupling agent have been added in the thermoplasticity bamboo fibre composite board; And owing to add auxiliary agent, product TVOC TOVC content is higher, can affect to the healthy of occupant; In addition, the mass area ratio of said sheet material is 300g/m
2-900g/m
2, intensity is lower after the moulding.
[summary of the invention]
One of technical problem that the present invention will solve is to provide a kind of bamboo fiber and polypropene staple composite molding trim panel, and combination property is superior, and has the favorable environment protection ability.
Two of the technical problem that the present invention will solve; Be to provide the preparation technology of a kind of bamboo fiber and polypropene staple composite molding trim panel; Make the combination property of bamboo fiber and polypropene staple composite molding trim panel superior, and have the favorable environment protection ability.
The present invention is achieved in that
A kind of bamboo fiber and polypropene staple composite molding trim panel; The top layer of said trim panel is a decorative fabric, and the second layer is a hot melt adhesive film, and the 3rd layer is one first nonwoven; The 4th layer is a bamboo fiber and polypropene staple mixing Nomex, and layer 5 is one second nonwoven; Said bamboo fiber with the weight percentages of components of polypropene staple mixing Nomex is: bamboo fiber 53%～56%, polypropene staple 44%～47%; Said bamboo fiber is 1200g/m with square grammes per square metre of polypropene staple mixing Nomex
2～1400g/m
2Said bamboo fiber: line density is 32dtex～65dtex, and fibre length is 51mm～80mm, fracture strength>=21.2cN/dtex, bacteriostasis property>=70%; Said polypropene staple: line density is 6.8dtex～7.8dtex, and fibre length is 60mm～70mm, fracture strength>=3.5cN/dtex.
The preparation technology of a kind of bamboo fiber and polypropene staple composite molding trim panel specifically comprises the steps:
Step 10, alternative line density are 32dtex～65dtex, and fibre length is 51mm～80mm, fracture strength >=21.2cN/dtex, the bamboo fiber of bacteriostasis property >=70%; Line density is 6.8dtex～7.8dtex, and fibre length is 60mm～70mm, the polypropene staple of fracture strength >=3.5cN/dtex; Press bamboo fiber 53%～56%; The part by weight of polypropene staple 44%～47% drops in the mixing willow; After preliminary the mixing; Obtain mixture, after said mixture passes through the secondary acupuncture of fine opener, carding machine, lapping machine and needing machine successively, form continuous bamboo fiber and polypropene staple mixing Nomex;
Step 20, continuous bamboo fiber and polypropene staple mixing Nomex be cut into the bamboo fiber and polypropene staple mixing Nomex of required specification;
Step 30, by top layer decorative fabric, second layer hot melt adhesive film, the 3rd layer of first nonwoven, the 4th layer of bamboo fiber order stack overlay good material with polypropene staple mixing Nomex, layer 5 second nonwoven; Send into temperature and be 180 ℃ ± 5 ℃ baking oven, toasted 5 minutes; Send into compression moulding in the die cavity in the press then, obtain bamboo fiber and polypropene staple composite molding trim panel.
The present invention has following advantage:
Bamboo fiber of the present invention and polypropene staple composite molding trim panel easy-formation, stretch-proof, bending strength height, after high temperature, low temperature, hot and humid test, the dimensional stability of said trim panel is excellent; The water imbibition of bamboo fiber of the present invention and polypropene staple composite molding trim panel is low, and use can hygroscopic deformation under wet environment, and the bamboo fibre anti-microbial property is strong, can not go mouldy; Bamboo fiber of the present invention is 1200g/m with square grammes per square metre of polypropene staple mixing Nomex
2～1400g/m
2, product density is higher, has guaranteed product strength and anti-flammability; Not adding any organic additive in the trim panel of the present invention, so the use free from extraneous odour, can not impact occupant's health; In a word, combination property of the present invention is superior, is prone to degraded, and TVOC is low, has the favorable environment protection ability.
[description of drawings]
Combine embodiment that the present invention is further described with reference to the accompanying drawings.
Fig. 1 is the structural representation of bamboo fiber of the present invention and polypropene staple composite molding trim panel.
[specific embodiment]
As shown in Figure 1; A kind of bamboo fiber and polypropene staple composite molding trim panel; The top layer of said trim panel is a decorative fabric 1, and the second layer is that a hot melt adhesive film is one first nonwoven 3 for 2, the three layers; The 4th layer is a bamboo fiber and polypropene staple mixing Nomex 4, and layer 5 is one second nonwoven 5; Said bamboo fiber with the weight percentages of components of polypropene staple mixing Nomex 4 is: bamboo fiber 53%～56%, polypropene staple 44%～47%; Said bamboo fiber is 1200g/m with square grammes per square metre of polypropene staple mixing Nomex 4
2～1400g/m
2Said bamboo fiber: line density is 32dtex～65dtex, and fibre length is 51mm～80mm, fracture strength>=21.2cN/dtex, bacteriostasis property>=70%; Said polypropene staple: line density is 6.8dtex～7.8dtex, and fibre length is 60mm～70mm, fracture strength>=3.5cN/dtex.
The preparation technology of a kind of bamboo fiber and polypropene staple composite molding trim panel specifically comprises the steps:
Step 10, alternative line density are 32dtex～65dtex, and fibre length is 51mm～80mm, fracture strength >=21.2cN/dtex, the bamboo fiber of bacteriostasis property >=70%; Line density is 6.8dtex～7.8dtex, and fibre length is 60mm～70mm, the polypropene staple of fracture strength >=3.5cN/dtex; Press bamboo fiber 53%～56%; The part by weight of polypropene staple 44%～47% drops in the mixing willow; After preliminary the mixing; Obtain mixture, after said mixture passes through the secondary acupuncture of fine opener, carding machine, lapping machine and needing machine successively, form continuous bamboo fiber and polypropene staple mixing Nomex;
Step 20, continuous bamboo fiber and polypropene staple mixing Nomex be cut into the bamboo fiber and polypropene staple mixing Nomex of required specification;
Step 30, by top layer decorative fabric 1, second layer hot melt adhesive film 2, the 3rd layer of first nonwoven 3, the 4th layer of bamboo fiber order stack overlay good material with polypropene staple mixing Nomex 4, layer 5 second nonwoven 5; Send into temperature and be 180 ℃ ± 5 ℃ baking oven, toasted 5 minutes; Send into compression moulding in the die cavity in the press then, obtain to be bamboo fiber and polypropene staple composite molding trim panel.
The bamboo fiber that following table one prepares for the preparation technology by above-mentioned bamboo fiber and polypropene staple composite molding trim panel and the various detected values of polypropene staple composite molding inside gadget:
1# appearance bamboo fiber percentage by weight: 56% polypropene staple percentage by weight: 44%
2# appearance bamboo fiber percentage by weight: 54% polypropene staple percentage by weight: 46%
3# appearance bamboo fiber percentage by weight: 53% polypropene staple percentage by weight: 47%
Table one
Can get by above table one sequence number 3～5: bamboo fiber of the present invention and polypropene staple composite molding trim panel through high temperature, low temperature, hot and humid test after; Vertical, the lateral dimension rate of change of said trim panel are controlled in 0.5%; Therefore, the deformation stability of said trim panel is good;
Can be got by sequence number 6: that the burning velocity of bamboo fiber and polypropene staple composite molding trim panel is the fastest is 32mm/min; Anti-flammability meets automotive trim state compulsion standard GB/T8410-2006 fully; And be far smaller than this criteria limit less than 100mm/min, therefore, anti-flammability is superior.
Can be got by sequence number 7: bamboo fiber of the present invention and polypropene staple composite molding trim panel water imbibition are far smaller than the flaxen fiber interior trim of same process less than 0.8%, and therefore water imbibition of the present invention is little, use at wet environment to be not easy hygroscopic deformation.
Can be got by sequence number 8: the bending strength of bamboo fiber of the present invention and polypropene staple composite molding trim panel reaches more than the 3.2mpa, and intensity is high.
In addition, bamboo fiber of the present invention and polypropene staple composite molding trim panel easy-formation have antibiotic property simultaneously; Can not go mouldy, not add any organic additive so use free from extraneous odour in the trim panel of the present invention; Can not impact occupant's health; And therefore degradable, has the favorable environment protection ability.
Though more than described the specific embodiment of the present invention; But the technical staff who is familiar with the present technique field is to be understood that; We described concrete embodiment is illustrative; Rather than being used for qualification to scope of the present invention, those of ordinary skill in the art are in the modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (2)
1. bamboo fiber and polypropene staple composite molding trim panel; It is characterized in that: the top layer of said trim panel is a decorative fabric; The second layer is a hot melt adhesive film; The 3rd layer is one first nonwoven, and the 4th layer is a bamboo fiber and polypropene staple mixing Nomex, and layer 5 is one second nonwoven; Said bamboo fiber with the weight percentages of components of polypropene staple mixing Nomex is: bamboo fiber 53%～56%, polypropene staple 44%～47%; Said bamboo fiber is 1200g/m with square grammes per square metre of polypropene staple mixing Nomex
2～1400g/m
2Said bamboo fiber: line density is 32dtex～65dtex, and fibre length is 51mm～80mm, fracture strength>=21.2cN/dtex, bacteriostasis property>=70%; Said polypropene staple: line density is 6.8dtex～7.8dtex, and fibre length is 60mm～70mm, fracture strength>=3.5cN/dtex.
2. the preparation technology of bamboo fiber as claimed in claim 1 and polypropene staple composite molding trim panel is characterized in that: specifically comprise the steps:
Step 10, alternative line density are 32dtex～65dtex, and fibre length is 51mm～80mm, fracture strength >=21.2cN/dtex, the bamboo fiber of bacteriostasis property >=70%; Line density is 6.8dtex～7.8dtex, and fibre length is 60mm～70mm, the polypropene staple of fracture strength >=3.5cN/dtex; Press bamboo fiber 53%～56%; The part by weight of polypropene staple 44%～47% drops in the mixing willow; After preliminary the mixing; Obtain mixture, after said mixture passes through the secondary acupuncture of fine opener, carding machine, lapping machine and needing machine successively, form continuous bamboo fiber and polypropene staple mixing Nomex;
Step 20, continuous bamboo fiber and polypropene staple mixing Nomex be cut into the bamboo fiber and polypropene staple mixing Nomex of required specification;
Step 30, by top layer decorative fabric, second layer hot melt adhesive film, the 3rd layer of first nonwoven, the 4th layer of bamboo fiber order stack overlay good material with polypropene staple mixing Nomex, layer 5 second nonwoven; Send into temperature and be 180 ℃ ± 5 ℃ baking oven, toasted 5 minutes; Send into compression moulding in the die cavity in the press then, obtain bamboo fiber and polypropene staple composite molding trim panel.
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|---|---|---|---|
| CN2012100343178A CN102582140A (en) | 2012-02-15 | 2012-02-15 | Raw bamboo fiber and polypropylene staple fiber composite molding interior panel and preparation process thereof |
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|---|---|---|---|
| CN2012100343178A CN102582140A (en) | 2012-02-15 | 2012-02-15 | Raw bamboo fiber and polypropylene staple fiber composite molding interior panel and preparation process thereof |
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Cited By (7)
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| CN104476851A (en) * | 2014-11-28 | 2015-04-01 | 芜湖长鹏汽车零部件有限公司 | Interior trim part of BGP (Border Gateway Protocol) board and manufacturing method of interior trim part |
| CN104691440A (en) * | 2015-02-13 | 2015-06-10 | 南阳百草堂天然艾草制品有限公司 | Method for preparing interior trim part of car roof from moxa |
| CN106009749A (en) * | 2016-07-12 | 2016-10-12 | 宜宾长顺竹木产业有限公司 | Automobile interior material taking bamboo fibers as raw material and preparation method of interior material |
| CN106881919A (en) * | 2017-01-13 | 2017-06-23 | 北京工商大学 | A kind of bast fibre felt enhancing polyurethane automobile ceiling and preparation method thereof |
| CN108342834A (en) * | 2018-02-28 | 2018-07-31 | 中国林业科学研究院木材工业研究所 | A kind of flexible interpenetrating networks porous material and preparation method can be used for molding |
| CN109334146A (en) * | 2018-12-07 | 2019-02-15 | 张毅 | A kind of production method of natural bamboo fibres composite board |
| CN112757712A (en) * | 2021-01-25 | 2021-05-07 | 广州金发碳纤维新材料发展有限公司 | Thermoplastic composite material interior trimming panel for motor home and processing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476851A (en) * | 2014-11-28 | 2015-04-01 | 芜湖长鹏汽车零部件有限公司 | Interior trim part of BGP (Border Gateway Protocol) board and manufacturing method of interior trim part |
| CN104691440A (en) * | 2015-02-13 | 2015-06-10 | 南阳百草堂天然艾草制品有限公司 | Method for preparing interior trim part of car roof from moxa |
| CN106009749A (en) * | 2016-07-12 | 2016-10-12 | 宜宾长顺竹木产业有限公司 | Automobile interior material taking bamboo fibers as raw material and preparation method of interior material |
| CN106881919A (en) * | 2017-01-13 | 2017-06-23 | 北京工商大学 | A kind of bast fibre felt enhancing polyurethane automobile ceiling and preparation method thereof |
| CN108342834A (en) * | 2018-02-28 | 2018-07-31 | 中国林业科学研究院木材工业研究所 | A kind of flexible interpenetrating networks porous material and preparation method can be used for molding |
| CN109334146A (en) * | 2018-12-07 | 2019-02-15 | 张毅 | A kind of production method of natural bamboo fibres composite board |
| CN112757712A (en) * | 2021-01-25 | 2021-05-07 | 广州金发碳纤维新材料发展有限公司 | Thermoplastic composite material interior trimming panel for motor home and processing method thereof |
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Application publication date: 20120718 |