CN101812773B - Composite material for automobile interior part and production method thereof - Google Patents
Composite material for automobile interior part and production method thereof Download PDFInfo
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- CN101812773B CN101812773B CN2010101422214A CN201010142221A CN101812773B CN 101812773 B CN101812773 B CN 101812773B CN 2010101422214 A CN2010101422214 A CN 2010101422214A CN 201010142221 A CN201010142221 A CN 201010142221A CN 101812773 B CN101812773 B CN 101812773B
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- MAZSRFDGMAAKBY-UHFFFAOYSA-N 10-oxo-10-(2,2,6,6-tetramethylpiperidin-1-yl)oxydecanoic acid Chemical compound CC1(C)CCCC(C)(C)N1OC(=O)CCCCCCCCC(O)=O MAZSRFDGMAAKBY-UHFFFAOYSA-N 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 4
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- LLDFSHBCVFHQIV-UHFFFAOYSA-M dimethyl-octadecyl-propylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCC LLDFSHBCVFHQIV-UHFFFAOYSA-M 0.000 claims description 4
- 239000011487 hemp Substances 0.000 claims description 4
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- XDVOLDOITVSJGL-UHFFFAOYSA-N 3,7-dihydroxy-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound O1B(O)OB2OB(O)OB1O2 XDVOLDOITVSJGL-UHFFFAOYSA-N 0.000 claims description 3
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- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 3
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- 125000003368 amide group Chemical group 0.000 claims description 3
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- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
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- GNHOJBNSNUXZQA-UHFFFAOYSA-J potassium aluminium sulfate dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GNHOJBNSNUXZQA-UHFFFAOYSA-J 0.000 claims description 3
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Images
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- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention discloses a formula of a composite material for an automobile interior part. The formula consists of the following materials in percentage by weight: 40 to 60 percent of polylactic acid fiber and 40 to 60 percent of natural fiber. The production method of the invention comprises the following steps: uniformly mixing the raw materials; putting the mixture into an opener for opening, combing and shaping the obtained product, feeding the product into a lapping machine for cross lapping and feeding the cross-lapped product into a needling machine for needling to form a felt; immersing the fiber felt into a processing slurry; drying the immersed coiled material through hot blast and cutting the dried material into pieces of required size; placing the cut material into a mould for curing and shaping by heating; demoulding the material to form a composite plate; and softening the composite plate by flat panel heating, covering the plate with a surface decorative layer and performing cold molding on the plate through a product mould to manufacture the finished product finally; or softening the cut fiber felt by the flat panel heating directly, covering the plate with the surface decorative layer and performing the cold molding to manufacture the finished product finally. The composite material for the automobile interior part of the invention has the advantages of no toxicity, no pollution, simple processing technique, small energy consumption and high environment protection performance.
Description
Technical field
The invention belongs to automotive upholstery and make the field, disclose a kind of composite material for automobile interior part and production method thereof.
Background technology
In recent years, along with the enhancing of people's environmental protection consciousness, the development degradation material is an important channel that solves problem of environmental pollution.So countries in the world give increasing attention to Biodegradable Materials.Existing automotive upholstery product adopts chemical synthetic material (as PP, PU and glass etc.) more, and this material resources is limited, and is non-renewable, and energy resource consumption is big, and easily human body is damaged in process.Discarded object after the use is difficult to degraded in natural environment, caused serious day by day pollution to natural environment.This has not only influenced daily life, and national economy and industrial and agricultural production have been brought huge harm.
Summary of the invention
The purpose of the embodiment of the invention is the defective at above-mentioned prior art, provides a kind of nontoxic, pollution-free, and processing technology is simple, energy loss is little, the exsertile composite material for automobile interior part of the feature of environmental protection.
Another purpose of the embodiment of the invention provides the production method of composite material for automobile interior part.
The technical scheme taked of the embodiment of the invention is to achieve these goals: a kind of prescription of composite material for automobile interior part, form by following materials in percentage by weight: acid fiber by polylactic 40%-60%, natural fabric 40%-60%.
The preferred technical scheme of the embodiment of the invention is: a kind of prescription of composite material for automobile interior part, form by following materials in percentage by weight: acid fiber by polylactic 40%, natural fabric 60%.
Described natural fabric is selected from least a in tossa, sisal fiber, ramee, tossa, linen fibre, hemp and the kenaf.
The present invention also provides a kind of production method of composite material for automobile interior part, comprises the steps:
(1) be that natural fabric and the 8-12cm acid fiber by polylactic of 7-15cm evenly mixes with length;
(2) fiber that mixes is dropped into shredding mixing 20-40s in the opener, send into hopper then;
(3) fibre transportation that the shredding that stores in the hopper was mixed to carding machine carries out combing;
(4) fiber after the combing is sent into cross lapping in the lapping machine;
(5) carry out pre-needling in the pre-needling machine and become felt sending into behind the net folding of completing;
(6) felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach predetermined gram weight after the heating precompressed become coiled material, heating-up temperature 100-200 ℃, time 75s-150s promptly makes the natural fibre reinforced polylactic acid composite felt;
(7) composite felt with rolling immerses in the processing slurries that prepare, and takes out heated-air drying then, contains fire retardant, antiseptic, antioxidant, anti ultraviolet agent, tackifier, surfactant, gel in the slurries;
(8) coiled material after the heated-air drying is cut into require size after, put into the mould typing that is heating and curing, heating-up temperature 180-220 ℃, time 60-80s can make the natural fibre reinforced polylactic acid composite material plate after the demoulding;
(9) composite panel is handled through dull and stereotyped thermoplastic, heating-up temperature is 170-220 ℃, and be 70-110 second heat time heating time, and be covered with one deck facial ornament after mould carries out cold moudling, makes finished product at last.
The weight ratio of described fire retardant, antiseptic, antioxidant, anti ultraviolet agent, tackifier, surfactant and gel is 2.5-3.5: 0.2: 0.1: 0.1: 2: 0.1: 0.5; Described fire retardant is selected from one or more in APP, ammonium sulfate and the tetraboric acid hydrogen ammonium; Described antiseptic selects 2,4,4-three chloro-2 '-hydroxyl-diphenyl ether, 3-(dimethoxy silicyl) propyl-dimethyl octadecyl ammonium chloride, polyoxygenated alkylene trialkyl ammonium salts and in one or more; Described antioxidant is selected from four { β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid } pentaerythrite, in (3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid octadecyl ester, β-(3,5-di-tert-butyl-4-hydroxy phenyl) cyclohexyl propionate and the dilauryl thiodipropionate one or more; Described anti ultraviolet agent is selected from two (2,2,6,6-tetramethyl piperidinyl) sebacate or [[6-[1,1,3, the 3-tetramethyl butyl] amido]-guanamine-4-two] [[(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup] own methene [(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup]] condensate in a kind of; Described tackifier are selected from polyacrylic acid, PMA, polyethyl acrylate, polymethyl methacrylate, one or more in polyethyl methacrylate or the polyvinyl acetate; Described surfactant is selected from this sulfonate of alkyl, fatty acid sulfate, a kind of in succinate sodium sulfonate or the alkylol polyoxyethylene ether sulfuric ester; Described gel is selected from a kind of in six methines, four ammoniums or the Potassium aluminum sulfate dodecahydrate.The invention provides the production method of another kind of composite material for automobile interior part, comprise the steps:
(1) be that natural fabric and the 8-12cm acid fiber by polylactic of 7-15cm evenly mixes with length;
(2) fiber that mixes is dropped into shredding mixing 20-40s in the opener, send into hopper then;
(3) fibre transportation that the shredding that stores in the hopper was mixed to carding machine carries out combing;
(4) fiber after the combing is sent into cross lapping in the lapping machine;
(5) carry out pre-needling in the pre-needling machine and become felt sending into behind the net folding of completing;
(6) felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach predetermined gram weight after the heating precompressed become coiled material, heating-up temperature 100-200 ℃, time 75s-150s promptly makes the natural fibre reinforced polylactic acid composite felt;
(7) composite felt is carried out slicing treatment according to the dimensional requirement size, handle through dull and stereotyped thermoplastic, heating-up temperature is 170-220 ℃, and be 70-110 second heat time heating time, and be covered with one deck facial ornament after mould carries out cold moudling, makes finished product at last.
The present invention also provides the composite material for automobile interior part of producing according to the method described above.
The beneficial effect of the embodiment of the invention is: the present invention adopts natural fabric to make automotive upholstery, and this material belongs to regenerated resources, and nontoxic, pollution-free, energy loss is little, and environmental-protecting performance is outstanding.By technology provided by the invention, can realize the lightweight and the energy-saving environmental-protection function of auto parts and components, processing technology of the present invention is simply unique, can increase work efficiency, that the product of producing has is in light weight, any surface finish, moisture content are low, high-low temperature resistant, resistance to impact, folding wrinkle, strong and unyielding property is strong, sound-absorption and heat-insulation is good, characteristics such as indeformable, nondiscolouring can not produce the acute angle section yet after the fragmentation, more safe and reliable; Can be widely used in parts such as roof decorations, door trim, luggage case gusset plate, hat rack.
Though first kind of technology is than second kind of complex process among the present invention, the PLA plant fiber composite plate of making has remarkable advantages at aspects such as antibiotic, fire-retardant, moistureproof, intensity, uses extensivelyr, more is applicable to high-grade automobile.Though and second kind of technology has shortened flow process, saved cost, the composite board performance that makes has tangible gap than first kind of technology, can only be used for general low-grade car.
Description of drawings
Fig. 1 is a kind of process flow diagram of the embodiment of the invention;
Fig. 2 is the another kind of process flow diagram of the embodiment of the invention.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Referring to Fig. 1, with raw material length is that the natural fabric staple fibre of 7-15cm and PLA short fiber that length is 8-12cm evenly mix, drop into shredding processing in the opener, send into hopper afterwards, the fiber that the opener shredding that stores in the hopper was mixed carries out the combing shaping by gas delivery to carding machine, send into cross lapping in the lapping machine again, send into after the net of completing folded on request and carry out pre-needling in the pre-needling machine and become felt, the felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach after the predetermined gram weight that the heating precompressed becomes coiled material between 100-200 ℃, promptly may be molded to the natural fibre reinforced polylactic acid composite felt.In the processing slurries that the continuous immersion of the composite felt of rolling is prepared in advance, soak into good coiled material and after heated-air drying, be cut into and require size, put into and specify the mould typing that is heating and curing, may be molded to the natural fibre reinforced polylactic acid composite plate after the demoulding.Composite board is handled back (heating-up temperature is 170-220 ℃, and be 70-110 second heat time heating time) through dull and stereotyped thermoplastic, is covered with one deck facial ornament after product mold carries out cold moudling, makes finished product at last.
Referring to Fig. 2, with raw material length is that the natural fabric staple fibre of 7-15cm and length are that PLA short fiber about 10cm evenly mixes, drop into shredding processing in the opener, send into hopper afterwards, the fiber that the opener shredding that stores in the hopper was mixed carries out combing by gas delivery to carding machine, send into cross lapping in the lapping machine again, send into after the net of completing folded on request and carry out pre-needling in the pre-needling machine and become felt, the felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach after the predetermined gram weight that the heating precompressed becomes coiled material between 100-200 ℃, promptly may be molded to the natural fibre reinforced polylactic acid composite felt.Composite felt is carried out slicing treatment according to the requirement of size,, be covered with one deck facial ornament, make finished product at last after product mold carries out cold moudling through dull and stereotyped thermoplastic (heating-up temperature is 170-200 ℃, and be 70-110 second heat time heating time).
Embodiment 1
Take by weighing raw material (kilogram) according to following weight:
Acid fiber by polylactic 40, tossa 60;
Produce the method for composite material for automobile interior part:
(1) tossa that is 7-15cm with 60 kilograms of length and 40 kilograms of 8-12cm acid fiber by polylactic evenly mix;
(2) fiber that mixes is dropped into shredding mixing in the opener, mix 30s, send into hopper then;
(3) fiber that the shredding that stores in the hopper was mixed carries out combing by gas delivery to carding machine;
(4) fiber after the combing is sent into cross lapping in the lapping machine;
(5) net that will complete according to required requirement folding after, send into and carry out pre-needling in the pre-needling machine and become felt;
(6) felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach predetermined gram weight after the heating precompressed become coiled material, 100 ℃ of heating-up temperatures, time 150s promptly makes the natural fibre reinforced polylactic acid composite felt;
(7) composite felt with rolling immerses in the processing slurries that prepare continuously, take out heated-air drying then, the preparation of slurries is with APP, 2,4,4-three chloro-2 '-hydroxyl-diphenyl ether, four { β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid } pentaerythrite, two (2,2,6,6-tetramethyl piperidinyl) sebacate, polyacrylic acid, fatty acid sulfate, six methines, four ammoniums are according to weight ratio: 3: 0.2: 0.1: 0.1: 2: 0.1: 0.5 mixes to stir and gets final product.
(8) coiled material after the heated-air drying is cut into require size after, put into the mould typing that is heating and curing, 200 ℃ of heating-up temperatures, time 70s can make the natural fibre reinforced polylactic acid composite material plate after the demoulding;
(9) composite panel is handled through dull and stereotyped thermoplastic, heating-up temperature is 180 ℃, and be 80 seconds heat time heating time, and be covered with one deck facial ornament after mould carries out cold moudling, makes finished product at last.
Embodiment 2
Take by weighing raw material (kilogram) according to following weight:
Acid fiber by polylactic 50, hemp 30, flax 20;
Produce the method for composite material for automobile interior part:
(1) flax fibre that is 7-15cm with 30 kilograms of length, 20 kilograms of length are 7-15cm linen fibre and 50 kilograms of 8-12cm acid fiber by polylactic evenly mix;
(2) fiber that mixes is dropped into shredding mixing in the opener, mix 40s, send into hopper then;
(3) fibre transportation that the shredding that stores in the hopper was mixed to carding machine carries out combing;
(4) fiber after the combing is sent into cross lapping in the lapping machine;
(5) carry out pre-needling in the pre-needling machine and become felt sending into behind the net folding of completing;
(6) felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach predetermined gram weight after the heating precompressed become coiled material, 200 ℃ of heating-up temperatures, time 75s promptly makes the natural fibre reinforced polylactic acid composite felt.
(7) composite felt is carried out slicing treatment according to the dimensional requirement size, handle through dull and stereotyped thermoplastic, heating-up temperature is 220 ℃, and be 70 seconds heat time heating time, and be covered with one deck facial ornament after mould carries out cold moudling, makes finished product at last.
Embodiment 3
Take by weighing raw material (kilogram) according to following weight:
Acid fiber by polylactic 60, ramee 20, sisal fiber 10, kenaf 10;
Produce the method for composite material for automobile interior part:
(1) ramee that is 7-15cm with 20 kilograms of length, the 10 kilograms of length sisal fiber that is 7-15cm, 10 kilograms of length are 7-15cm kenaf and 60 kilograms of 8-12cm acid fiber by polylactic evenly mix;
(2) fiber that mixes is dropped into shredding mixing in the opener, mix 20s, send into hopper then;
(3) fiber that the shredding that stores in the hopper was mixed carries out combing by gas delivery to carding machine;
(4) fiber after the combing is sent into cross lapping in the lapping machine;
(5) net that will complete according to required requirement folding after, send into and carry out pre-needling in the pre-needling machine and become felt;
(6) felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach predetermined gram weight after the heating precompressed become coiled material, 150 ℃ of heating-up temperatures, time 120s promptly makes the natural fibre reinforced polylactic acid composite felt;
(7) composite felt with rolling immerses in the processing slurries that prepare continuously, heated-air drying then, the slurries preparation is with ammonium sulfate, 3-(dimethoxy silicyl) propyl-dimethyl octadecyl ammonium chloride, β-(3,5-di-tert-butyl-4-hydroxy phenyl) cyclohexyl propionate, [[6-[1,1,3, the 3-tetramethyl butyl] amido]-guanamine-4-two] [[(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup] own methene [(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup]] condensate, polyethyl acrylate, succinate sodium sulfonate, Potassium aluminum sulfate dodecahydrate are according to weight ratio: 2.5: 0.2: 0.1: 0.1: 2: 0.1: 0.5 mixes and stirs.
(8) volume after the material heated-air drying is cut into require size after, put into the mould typing that is heating and curing, 220 ℃ of heating-up temperatures, time 60s can make the natural fibre reinforced polylactic acid composite material plate after the demoulding;
(9) composite panel is handled through dull and stereotyped thermoplastic, heating-up temperature is 200 ℃, and be 100 seconds heat time heating time, and be covered with one deck facial ornament after mould carries out cold moudling, makes finished product at last.
Embodiment 4
Take by weighing raw material (kilogram) according to following weight:
Acid fiber by polylactic 55, sisal fiber 45;
Produce the method for composite material for automobile interior part:
Be (1) 7-15cm's with 55 kilograms of length? fiber and 45 kilograms of 8-12cm acid fiber by polylactic evenly mix;
(2) fiber that mixes is dropped into shredding mixing in the opener, mix 30s, send into hopper then;
(3) fibre transportation that the shredding that stores in the hopper was mixed to carding machine carries out combing;
(4) fiber after the combing is sent into cross lapping in the lapping machine;
(5) carry out pre-needling in the pre-needling machine and become felt sending into behind the net folding of completing;
(6) felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach predetermined gram weight after the heating precompressed become coiled material, 100 ℃ of heating-up temperatures, time 150s promptly makes the natural fibre reinforced polylactic acid composite felt;
(7) composite felt is carried out slicing treatment according to the dimensional requirement size, handle through dull and stereotyped thermoplastic, heating-up temperature is 170 ℃, and be 110 seconds heat time heating time, and be covered with one deck facial ornament after mould carries out cold moudling, makes finished product at last.
Embodiment 5
Take by weighing raw material (kilogram) according to following weight:
Acid fiber by polylactic 60, tossa 40;
The preparation method is with embodiment 1, and different is that in the preparation of (7) slurries, the weight ratio of fire retardant, antiseptic, antioxidant, anti ultraviolet agent, tackifier, surfactant and gel is 3.5: 0.2: 0.1: 0.1: 2: 0.1: 0.5;
Described fire retardant is the mixture of ammonium sulfate and tetraboric acid hydrogen ammonium, and described antiseptic is the mixture of 3-(dimethoxy silicyl) propyl-dimethyl octadecyl ammonium chloride and polyoxygenated alkylene trialkyl ammonium salts; Described antioxidant is the mixture of (3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid octadecyl ester and dilauryl thiodipropionate; Described anti ultraviolet agent is two (2,2,6,6-tetramethyl piperidinyl) sebacates; Described tackifier are PMA, polyethyl acrylate and polymethylated mixture; Described surfactant is this sulfonate of alkyl; Described gel is six methines, four ammoniums.
The embodiment of the invention adopts the production method of natural fabric and the compound manufacturing automotive upholstery of acid fiber by polylactic, effective application of this novel environment friendly material, fundamentally solved the automotive trim parts in process to the injury of human body and use the pollution of back to environment, simplified technological process, improved operating efficiency.Characteristics such as the product of this manufacture of materials has the intensity height, density is low, stretching is big, shock-resistant; Can improve inside gadget rigidity effectively, reduce overall weight; And processing is convenient, can with the disposable composite molding in top layer.Be widely used in parts such as roof decorations, door trim, luggage case gusset plate, hat rack.
Following table is made performance test results behind the roof of the vehicle for each example:
Adopt roof of the vehicle that the technology of the embodiment of the invention makes to have remarkable advantages at impact resistance, aspect such as anti-aging, moistureproof, fire-retardant as can be seen from the table, the properties of product that adopt the method for the embodiment of the invention 1, embodiment 3, embodiment 5 to produce are better.
Above-described embodiment, the present invention specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacing all should be included in protection scope of the present invention.
Claims (5)
1. the production method of a composite material for automobile interior part is characterized in that, comprises the steps:
(1) be that natural fabric and the 8-12cm acid fiber by polylactic of 7-15cm evenly mixes with length;
(2) fiber that mixes is dropped into shredding mixing 20-40s in the opener, send into hopper then;
(3) fibre transportation that the shredding that stores in the hopper was mixed to carding machine carries out combing;
(4) fiber after the combing is sent into cross lapping in the lapping machine;
(5) carry out pre-needling in the pre-needling machine and become felt sending into behind the net folding of completing;
(6) felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach predetermined gram weight after the heating precompressed become coiled material, heating-up temperature 100-200 ℃, time 75s-150s promptly makes the natural fibre reinforced polylactic acid composite felt;
(7) composite felt is carried out slicing treatment according to the dimensional requirement size, handle through dull and stereotyped thermoplastic, heating-up temperature is 170-220 ℃, and be 70-110 second heat time heating time, and be covered with one deck facial ornament after mould carries out cold moudling, makes finished product at last;
Described acid fiber by polylactic weight percentage is: 40%-60%, and the natural fabric weight percentage is: 40%-60%; Described natural fabric is selected from least a in tossa, sisal fiber, ramee, linen fibre and the hemp.
2. the production method of a composite material for automobile interior part is characterized in that, comprises the steps:
(1) be that natural fabric and the 8-12cm acid fiber by polylactic of 7-15cm evenly mixes with length;
(2) fiber that mixes is dropped into shredding mixing 20-40s in the opener, send into hopper then;
(3) fibre transportation that the shredding that stores in the hopper was mixed to carding machine carries out combing;
(4) fiber after the combing is sent into cross lapping in the lapping machine;
(5) carry out pre-needling in the pre-needling machine and become felt sending into behind the net folding of completing;
(6) felt that pre-needling is good continues to be fed into and carries out main acupuncture in the main needing machine, reach predetermined gram weight after the heating precompressed become coiled material, heating-up temperature 100-200 ℃, time 75s-150s promptly makes the natural fibre reinforced polylactic acid composite felt;
(7) composite felt with rolling immerses in the processing slurries that prepare, and takes out heated-air drying then, contains fire retardant, antiseptic, antioxidant, anti ultraviolet agent, tackifier, surfactant, gel in the slurries;
(8) coiled material after the heated-air drying is cut into require size after, put into the mould typing that is heating and curing, heating-up temperature 180-220 ℃, time 60-80s can make the natural fibre reinforced polylactic acid composite material plate after the demoulding;
(9) composite panel is handled through dull and stereotyped thermoplastic, heating-up temperature is 170-220 ℃, and be 70-110 second heat time heating time, and be covered with one deck facial ornament after mould carries out cold moudling, makes finished product at last;
Described acid fiber by polylactic weight percentage is: 40%-60%, and the natural fabric weight percentage is: 40%-60%; Described natural fabric is selected from least a in tossa, sisal fiber, ramee, linen fibre and the hemp.
3. the production method of composite material for automobile interior part according to claim 2, it is characterized in that the weight ratio of described fire retardant, antiseptic, antioxidant, anti ultraviolet agent, tackifier, surfactant and gel is 2.5-3.5: 0.2: 0.1: 0.1: 2: 0.1: 0.5; Described fire retardant is selected from one or more in APP, ammonium sulfate and the tetraboric acid hydrogen ammonium; Described antiseptic is selected from 2,4, one or more in 4 '-three chloro-2 '-hydroxyl-diphenyl ether, 3-(dimethoxy silicyl) propyl-dimethyl octadecyl ammonium chloride and the polyoxygenated alkylene trialkyl ammonium salts; Described antioxidant is selected from four { β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid } pentaerythrite, (3,5-di-tert-butyl-4-hydroxy phenyl) one or more in propionic acid octadecyl ester, β-(3,5-di-tert-butyl-4-hydroxy phenyl) cyclohexyl propionate and the dilauryl thiodipropionate; Described anti ultraviolet agent is selected from two (2,2,6,6-tetramethyl piperidinyl) sebacate or [[6-[1,1,3, the 3-tetramethyl butyl] amido]-guanamine-4-two] [[(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup] own methene [(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup]] condensate in a kind of; Described tackifier are selected from one or more in polyacrylic acid, PMA, polyethyl acrylate, polymethyl methacrylate, polyethyl methacrylate and the polyvinyl acetate; Described surfactant is selected from a kind of in alkylbenzenesulfonate, fatty acid sulfate, succinate sodium sulfonate or the alkylol polyoxyethylene ether sulfuric ester; Described gel is selected from a kind of in six methines, four ammoniums or the Potassium aluminum sulfate dodecahydrate.
4. the composite material for automobile interior part that method production according to claim 1 obtains.
5. the composite material for automobile interior part that method production according to claim 2 obtains.
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