CN102729449B - Vehicle green internal and external decoration material, and preparation method and application thereof - Google Patents
Vehicle green internal and external decoration material, and preparation method and application thereof Download PDFInfo
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- CN102729449B CN102729449B CN201210230934.5A CN201210230934A CN102729449B CN 102729449 B CN102729449 B CN 102729449B CN 201210230934 A CN201210230934 A CN 201210230934A CN 102729449 B CN102729449 B CN 102729449B
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Abstract
The invention relates to a vehicle green internal and external decoration material, and a preparation method and application thereof. The preparation method of the vehicle internal and external decoration material comprises the following steps: natural fiber and polylactic acid fiber are pulled respectively and continuously fed into mixed slurry for immersion treatment, wherein the natural fiber has a mass percentage of 30 to 70%, the polylactic acid fiber has a mass percentage of 30 to 70%, and the mixed slurry comprises a flame retardant agent, an antimicrobial agent, an antioxidant, an ultraviolet screening agent, a tackifier and a gelling agent; and the natural fiber and the polylactic acid fiber, after the immersion treatment, are dried, and then introduced into a twin screw extruder, and the vehicle internal and external decoration material is obtained after co-extrusion of the twin screw extruder. The vehicle internal and external decoration material uses the natural fiber and the polylactic acid fiber as raw materials which are green, renewable, and can be completely degraded.
Description
Technical field
The present invention relates to a kind of automobile-used interior/exterior material and preparation method thereof and application, relate in particular to a kind of raw material sources green, renewable, automobile-used interior/exterior material that can be degradable and preparation method thereof and application.
Background technology
Along with scientific and technical progress, the raising of living standards of the people, the fibrous material that automobile interior trim is used is by the future development from economical and practical type to functional, fashion-orientation, lightweight and environmental type.In automobile decoration material, conventional chemical fibre has following.1 functional fiber automobile decoration textile has very high requirement to novel functional fibre raw material, and its processing and postfinishing process are also very complicated.These textiles are except meeting the routine of textile requires, also have special, to material fire-retardant, refuse the requirement of the characteristics such as water, antistatic, antifouling, color fastness, fast light photograph, resistance to cleaning, antibacterial and mouldproof; And waterproof, capable of washing, the fire-retardant common standards requirement that has become automobile inner decoration facing; In addition, thin dawn, high bulk, high contraction, high-tenacity, all kinds of profiled-cross-section, lead the common functions such as wet, insulation and differential performance and can make car offer the comfortable driving of passenger to experience.Terylene elastomer is also widely used on automotive trim as the substitute of nylon, along with the one-tenth heat of the production technology of PBT (terephthalic acid (TPA) propylene diester), PTT (butylene terephthalate), the nylon fiber automotive trim field of gradually having faded out.High-strength polyester fiber, as the top-priority reason of security, is widely used on air bag and safety belt.What ultra-fine polyester fiber was made spins leather fabric owing to having used phase-change material (PCM), makes the temperature in automobile in summer at least reduce by 2～4 ~ C.
But these material resources are limited, non-renewable, energy resource consumption is large.Discarded object after use hard degradation in natural environment, has caused day by day serious pollution to natural environment.This has not only affected daily life, and national economy and industrial and agricultural production have been brought to huge harm.
Summary of the invention
The object of this invention is to provide a kind of raw material sources green, renewable, automobile-used interior/exterior material that can be degradable and preparation method thereof and application.
The preparation method of automobile-used interior/exterior material provided by the present invention, comprises the steps:
The acid fiber by polylactic that is 1.22g/cm3 lower than 0.2% natural fiber and density by water content draws respectively sends into submergence processing in mixed slurry continuously;
Natural fiber after treatment submergence and acid fiber by polylactic are dried, then import double screw extruder, jointly extrude through double screw extruder, obtain described automotive interior/exterior material;
The quality percentage composition of described natural fiber is 30-70%, is preferably 45-55%; The quality percentage composition of described acid fiber by polylactic is 30-70%, is preferably 45-55%;
Described mixed slurry is containing fire retardant, antiseptic, antioxidant, anti ultraviolet agent and lubricant, and 60 ~ 180s is processed in submergence.
Acid fiber by polylactic is a kind of high strength heat resistant acid fiber by polylactic, and its chemical formula is as follows
Wherein, described natural fiber is any one or several in ramie, jute, mestha, hemp, flax, sisal hemp and bluish dogbane.
Wherein, the length of described natural fiber is 6 ~ 15mm; The length of described acid fiber by polylactic is 6 ~ 15mm.
Wherein, the mass ratio of described fire retardant, antiseptic, antioxidant, anti ultraviolet agent and lubricant is (2-3): 0.2:0.1:0.1:1.
Wherein, described fire retardant is selected: three (1-oxo-1-phospha-2,6,7-trioxa-l-phosphabicyclo [2,2,2] octane-4-methylene) phosphate, 1-oxygen-4-methylol-2,6, one or more in 7-trioxa-1-phospha dicyclo [2,2,2] octanes (PEPA) and ammonium sulfate halogen-free flame retardants;
Antioxidant is selected: tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, two (2,4-di-tert-butyl-phenyl) pentaerythritol diphosphites, dilauryl thiodipropionate, four { β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid } pentaerythrite, (3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid octadecyl ester, dilauryl thiodipropionate, thio-2 acid 2 stearyl ester, 2,6-di-t-butyl is to one or more in potassium phenol;
Antiseptic is selected: the chloro-2 '-hydroxyl-diphenyl ether of 2,4,4-tri-, 3-(dimethoxy silylation) one or more in propyl-dimethyl octadecyl ammonium chloride, polyoxygenated alkylene trialkyl ammonium salts; One or more in selecting of antioxidant;
Anti ultraviolet agent is selected: two (2,2,6,6-tetramethyl piperidinyl) sebacate or [[6-[1,1,3,3-tetramethyl butyl] amido]-guanamine-4-bis-] [[(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup] own methene [(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup]] condensate in one or more;
Described lubricant is selected one or both in aluminum stearate or calcium stearate.
Automobile-used interior/exterior material of the present invention can be used for preparing automobile internal and external ornament.
It is raw material that automobile-used inside/outside decorative material of the present invention adopts natural fiber and PLA, and raw material sources green is renewable, can be degradable.Adopt automobile-used inside/outside decorative material of the present invention can improve car load recovery utilization rate.Automobile-used inside/outside decorative material content of formaldehyde of the present invention is low, low-temperature impact-resistant performance excellence, and fire-retardant, change of moisture content rate is low, and bending strength and impact strength are high.
Detailed description of the invention
Embodiment 1 vehicle inside decoration
The sisal fiber that is 6 ~ 15mm by water content 0.2%, length and density are 1.22g/cm
3, length is the acid fiber by polylactic 30:70 in mass ratio of 6 ~ 15mm, traction respectively, send into continuously in mixed slurry, in mixed slurry, contain fire retardant (three (1-oxo-1-phospha-2, 6, 7-trioxa-l-phosphabicyclo [2, 2, 2] octane-4-methylene) phosphate), antiseptic (2, 4, the chloro-2 '-hydroxyl-diphenyl ether of 4-tri-), antioxidant (four { β-(3, 5-di-tert-butyl-4-hydroxy phenyl) propionic acid } pentaerythrite), anti ultraviolet agent (two (2, 2, 6, 6-tetramethyl piperidinyl) sebacate) and lubricant (aluminum stearate), its mass ratio is 2:0.2:0.1:0.1:1, 60s is processed in submergence.
By natural fiber after treatment and acid fiber by polylactic dry to water content be 0.2%, import double screw extruder by difference traction mouthful, 170 DEG C of extrusion temperatures, imported after double screw extruder is extruded jointly by difference traction mouthful, directly through injection machine injection mo(u)lding, 170 DEG C of injection temperatures, get final product to obtain inner plate of car door.
Embodiment 2 vehicle inside decorations
The bastose that is 6 ~ 15mm by water content 0.1%, length and density are 1.22g/cm
3, the length acid fiber by polylactic 45:55 in mass ratio that is 6 ~ 15mm, traction respectively, send into continuously in mixed slurry, in mixed slurry, contain fire retardant (ammonium sulfate), antiseptic (polyoxygenated alkylene trialkyl ammonium salts), antioxidant (dilauryl thiodipropionate), anti ultraviolet agent (two (2,2,6,6-tetramethyl piperidinyl) sebacate) and lubricant (aluminum stearate), its mass ratio is 2.5:0.2:0.1:0.1:1, and 120s is processed in submergence.
By natural fiber after treatment and acid fiber by polylactic dry to water content be 0.1%, import a double screw extruder by difference traction mouthful, after double screw extruder is extruded jointly, 190 DEG C of extrusion temperatures, directly, through injection machine injection mo(u)lding, 190 DEG C of injection temperatures, get final product to obtain roof cover plate.
The automobile-used exterior trim of embodiment 3
The Kenaf and jute fiber that is 6 ~ 15mm by water content 0.15%, length and density are 1.22g/cm
3, length is the acid fiber by polylactic 25:25:50 in mass ratio of 6 ~ 15mm, traction respectively, send into continuously in mixed slurry, mixed slurry is containing fire retardant (1-oxygen-4-methylol-2, 6, 7-trioxa-1-phospha dicyclo [2, 2, 2] octane), antiseptic (3-(dimethoxy silylation) propyl-dimethyl octadecyl ammonium chloride), antioxidant ((3, 5-di-tert-butyl-4-hydroxy phenyl) propionic acid octadecyl ester), anti ultraviolet agent (two (2, 2, 6, 6-tetramethyl piperidinyl) sebacate) and lubricant (calcium stearate), its mass ratio is 3:0.2:0.1:0.1:1, 180s is processed in submergence.
By natural fiber after treatment and acid fiber by polylactic dry to water content be 0.15%, import double screw extruder by difference traction mouthful, imported after double screw extruder is extruded jointly by difference traction mouthful, 180 DEG C of extrusion temperatures, directly through injection machine injection mo(u)lding, 180 DEG C of injection temperatures, get final product to obtain back holding door inner panel.
Embodiment 4 vehicle inside decorations
The tossa that is 6 ~ 15mm by water content 0.2%, length and density are 1.22g/cm
3, length is the acid fiber by polylactic 55:45 in mass ratio of 6 ~ 15mm, traction respectively, send into continuously in mixed slurry, in mixed slurry, contain fire retardant (three (1-oxo-1-phospha-2, 6, 7-trioxa-l-phosphabicyclo [2, 2, 2] octane-4-methylene) phosphate), antiseptic (2, 4, the chloro-2 '-hydroxyl-diphenyl ether of 4-tri-), antioxidant (four { β-(3, 5-di-tert-butyl-4-hydroxy phenyl) propionic acid } pentaerythrite), anti ultraviolet agent (two (2, 2, 6, 6-tetramethyl piperidinyl) sebacate) and lubricant (aluminum stearate), its mass ratio is 2:0.2:0.1:0.1:1, 60s is processed in submergence.
By natural fiber after treatment and acid fiber by polylactic dry to water content be 0.2%, import double screw extruder by difference traction mouthful, 170 DEG C of extrusion temperatures, imported after double screw extruder is extruded jointly by difference traction mouthful, directly through injection machine injection mo(u)lding, 170 DEG C of injection temperatures, get final product to obtain inner plate of car door.
The automobile-used exterior trim of embodiment 5
The ramee that is 6 ~ 15mm by water content 0.1%, length and density are 1.22g/cm
3, the length acid fiber by polylactic 70:30 in mass ratio that is 6 ~ 15mm, traction respectively, send into continuously in mixed slurry, in mixed slurry, contain fire retardant (ammonium sulfate), antiseptic (polyoxygenated alkylene trialkyl ammonium salts), antioxidant (dilauryl thiodipropionate), anti ultraviolet agent (two (2,2,6,6-tetramethyl piperidinyl) sebacate) and lubricant (aluminum stearate), its mass ratio is 2.5:0.2:0.1:0.1:1, and 120s is processed in submergence.
By natural fiber after treatment and acid fiber by polylactic dry to water content be 0.1%, import a double screw extruder by difference traction mouthful, after double screw extruder is extruded jointly, 190 DEG C of extrusion temperatures, directly, through injection machine injection mo(u)lding, 190 DEG C of injection temperatures, get final product to obtain roof cover plate.
Following table is the performance test results of the automobile-used interior/exterior material sheet material prepared of above-described embodiment.
Automobile-used interior/exterior material content of formaldehyde prepared by embodiment 1-5 is low, low-temperature impact-resistant performance excellence, and fire-retardant, change of moisture content rate is low, and bending strength and impact strength are high.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skill in the art understand, in the case of not departing from the spirit and scope that claims limit; can make many amendments, variation or equivalence, but all will fall within the scope of protection of the present invention.
Claims (7)
1. a preparation method for automobile-used interior/exterior material, comprises the steps:
Be 1.22g/cm by water content lower than 0.2% natural fiber and density
3acid fiber by polylactic draw respectively and send into continuously in mixed slurry submergence and process 60～180s;
Natural fiber after treatment submergence and acid fiber by polylactic are dried to water content lower than 0.2%, then import double screw extruder, jointly extrude through double screw extruder, obtain described automotive interior/exterior material;
The quality percentage composition of described natural fiber is 45-55%; The quality percentage composition of described acid fiber by polylactic is 45-55%;
Described mixed slurry is containing fire retardant, antiseptic, antioxidant, anti ultraviolet agent and lubricant, and the mass ratio of described fire retardant, antiseptic, antioxidant, anti ultraviolet agent and lubricant is (2-3): 0.2:0.1:0.1:1.
2. method according to claim 1, is characterized in that, described natural fiber is any one or several in ramie, jute, mestha, hemp, flax, sisal hemp and bluish dogbane.
3. method according to claim 1, is characterized in that, the length of described natural fiber is 6～15mm; The length of described acid fiber by polylactic is 6～15mm.
4. method according to claim 1, is characterized in that, described extrusion temperature is 170 DEG C-190 DEG C.
5. method according to claim 1, it is characterized in that, described fire retardant is selected from three (1-oxo-1-phospha-2,6,7-trioxa-l-phosphabicyclos [2,2,2] octane-4-methylene) phosphate, 1-oxygen-4-methylol-2,6,7-trioxa-1-phospha dicyclo [2,2,2] one or more in octane and ammonium sulfate halogen-free flame retardants; Described antiseptic is one or more in the chloro-2 '-hydroxyl-diphenyl ether of 2,4,4-tri-, 3-(dimethoxy silylation) propyl-dimethyl octadecyl ammonium chloride, polyoxygenated alkylene trialkyl ammonium salts; Described antioxidant is selected from one or more in four { β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid } pentaerythrite, (3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid octadecyl ester, dilauryl thiodipropionate; Described anti ultraviolet agent is selected from two (2,2,6,6-tetramethyl piperidinyl) sebacate or [[6-[1,1,3,3-tetramethyl butyl] amido]-guanamine-4-bis-] [[(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup] methene [(2,2,6,6-tetramethyl-4-piperidinyl) imido grpup]] condensate in one or more; Described lubricant is selected from one or both in aluminum stearate or calcium stearate.
6. the automotive interior/exterior material that in claim 1-5 prepared by arbitrary described method.
7. automotive interior/exterior material claimed in claim 6 is in the application of preparing in automobile internal and external ornament.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210230934.5A CN102729449B (en) | 2012-07-04 | 2012-07-04 | Vehicle green internal and external decoration material, and preparation method and application thereof |
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| CN201210230934.5A CN102729449B (en) | 2012-07-04 | 2012-07-04 | Vehicle green internal and external decoration material, and preparation method and application thereof |
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| CN102729449A CN102729449A (en) | 2012-10-17 |
| CN102729449B true CN102729449B (en) | 2014-12-10 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003667A (en) * | 2006-01-20 | 2007-07-25 | 东丽纤维研究所（中国）有限公司 | Composite material of poly lactic acid / natural faric, and production method |
| CN101812773A (en) * | 2010-03-30 | 2010-08-25 | 奇瑞汽车股份有限公司 | Composite material for automobile interior part and production method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003667A (en) * | 2006-01-20 | 2007-07-25 | 东丽纤维研究所（中国）有限公司 | Composite material of poly lactic acid / natural faric, and production method |
| CN101812773A (en) * | 2010-03-30 | 2010-08-25 | 奇瑞汽车股份有限公司 | Composite material for automobile interior part and production method thereof |
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