CN105504777A - Anti-stress whitening automobile imitation leather interior trim material - Google Patents
Anti-stress whitening automobile imitation leather interior trim material Download PDFInfo
- Publication number
- CN105504777A CN105504777A CN201610055293.2A CN201610055293A CN105504777A CN 105504777 A CN105504777 A CN 105504777A CN 201610055293 A CN201610055293 A CN 201610055293A CN 105504777 A CN105504777 A CN 105504777A
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- CN
- China
- Prior art keywords
- parts
- deionized water
- aqueous polyurethane
- imitation leather
- wool fiber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses an anti-stress whitening automobile imitation leather interior trim material. The anti-stress whitening automobile imitation leather interior trim material is prepared from, by weight, 25-30 parts of wool fibers, 4-5 parts of chitosan, 2-3 parts of titanium dioxide, 0.6-1 part of polyethylene glycol, 100-110 parts of waterborne polyurethane, 0.2-0.4 part of didodecyldimethylammonium bromide, 5-6 parts of clay, 6-7 parts of hollow glass microspheres, 3-4 parts of starch, 4-5 parts of fly ash microspheres, 5-6 parts of high-alumina bauxite and an appropriate amount of deionized water. The anti-stress whitening automobile imitation leather interior trim material is little in preparation step, good in mechanical property, excellent in ageing resistance, good in stress resistance, not prone to be discolored and whitened and worthy of popularization and has the delicate appearance.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to the automobile imitation leather interior material that a kind of resistance to stress is turned white.
Background technology
Along with the develop rapidly of automobile industry, human consumer not only just values the attractive in appearance of automobile external moulding when purchasing car, attractive in appearance to automotive interior material of increasing human consumer, functional, low emission is had higher requirement, and automotive interior material has become the important factor affecting vehicle complete vehicle quality and class.Current automotive trim material has PVC imitation leather, PU leatheroid etc.For the material of automotive trim, good property indices should be had, such as, resistance to illumination, low-temperature resistant flexile are fire-retardant good, low fogging, requirement simultaneously need meet the requirement to raw-material composition of laws and regulations, and requires that the recyclable ratio proposing inside gadget is more and more higher.But now conventional automotive interior material exists problem more or less, can not meet the requirement of consuming public to interior material, along with the proposition of energy-saving, emission-reducing, environment friendly slogan, therefore, the automotive interior material researching and developing novel environment friendly recoverable is necessary.
Polyurethane material is applied to many fields because of the structure of its uniqueness and excellent performance, it is the focus of research always, and water-base polyurethane material has low cost because of it, pollution-free, the advantage such as flexible, have broad application prospects, the synthetic leather processed with urethane and leatheroid have good advantage, as intensity is high, wear resistance is good, flexible resistance is good, lower temperature resistance and oil resistant, chemical resistance is good, but shortcoming is that the water tolerance of aqueous polyurethane and thermotolerance are not high, water vapour permeability is poor, have a strong impact on work-ing life and the human comfort of material, reduce the performance of automobile, the present invention focuses on the improvement of this respect, to reaching the requirement of people to material for car interior trim parts.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, the automobile imitation leather interior material providing a kind of resistance to stress to turn white.
The present invention is achieved by the following technical solutions:
The automobile imitation leather interior material that resistance to stress is turned white, is made up of the raw material of following weight part: wool fiber 25-30, chitosan 4-5, titanium dioxide 2-3, polyoxyethylene glycol 0.6-1, aqueous polyurethane 100-110, didodecyldimethylammbromide bromide 0.2-0.4, clay 5-6, hollow glass bead 6-7, starch 3-4, fly ash micro-sphere 4-5, alumine 5-6, deionized water are appropriate;
The automobile imitation leather interior material that described a kind of resistance to stress is turned white, be made up of following concrete preparation method:
(1) wool fiber is carried out degreasing deodorizing process, again mechanical disintegration is carried out to it, obtain median size lower than the wool fiber of 10 μm, again chitosan is dissolved the chitosan solution obtaining 8-10% with 5% acetum, then by titanium dioxide and polyoxyethylene glycol mixing 4-5 times amount deionized water ultrasonic disperse even, add above-mentioned chitosan solution and continue dispersion 5-10min, finally wool fiber is impregnated in mixed solution, dipping 10-20min;
(2) wool fiber is transferred in high-temperature high-pressure reaction kettle together with mixed solution, constant temperature process 0.5-1h under 100-120 ° of C, clarify to solution with deionized water wash after modified wool is taken out, finally naturally dry for subsequent use;
(3) hollow glass bead, starch and deionized water are mixed, heated and stirred forms pasty state, add aqueous polyurethane rapid stirring 1-2h again, by the dissolve with ethanol of didodecyldimethylammbromide bromide by 3-4 times amount, clay is added to ultrasonic disperse 10-20min in didodecyldimethylammbromide bromide solution again, filtration deionized water wash is to neutral post-drying;
(4) clay and modified aqueous polyurethane emulsion are added in magnetic stirring apparatus, heating evaporation 1-2h in water bath with thermostatic control, then by modified aqueous polyurethane emulsion casting film-forming, drying for standby at the temperature of 60-90 ° of C;
(5) modified aqueous polyurethane step (4) obtained and other surplus materialss are added in twin screw extruder, spout adds modified woolen fiber prepared by step (2), at the temperature of 100-110 ° of C, screw speed is extruding pelletization under the condition of 150 revs/min, obtains material of the present invention.
Advantage of the present invention is: the present invention adopts water-base polyurethane material as automotive interior material, asepsis environment-protecting, be harmful to human health, and adopt the hardness of hollow glass bead and starch enhancing modified aqueous polyurethane, intensity and anti-impact force, extend its work-ing life, and by chitosan and titanium dichloride load on wool fiber, strengthen it antibacterial, uvioresistant, automatically cleaning and shrinkproof effect, the wool fiber of modification is added in urethane when not affecting its mechanical property and thermostability and enhances water vapour permeability, improve human comfort and easily clean, the fly ash micro-sphere added and alumine greatly strengthen the acid-alkali-corrosive-resisting of material, ageing-resistant, the characteristic of the aspects such as resistance to yellow, greatly improve the function that resistance to stress is turned white, preparation process of the present invention is few, product mechanics, good mechanical property, ageing-resistant performance is excellent, resistance to stress is well not easy to change turns white, there is exquisite outward appearance, be worthy to be popularized.
Embodiment
The automobile imitation leather interior material that resistance to stress is turned white, is made up of the raw material of following weight part (kilogram): wool fiber 25, chitosan 4, titanium dioxide 2, polyoxyethylene glycol 0.6, aqueous polyurethane 100, didodecyldimethylammbromide bromide 0.2, clay 5, hollow glass bead 6, starch 3, fly ash micro-sphere 4, alumine 5, deionized water are appropriate;
The automobile imitation leather interior material that described a kind of resistance to stress is turned white, be made up of following concrete preparation method:
(1) wool fiber is carried out degreasing deodorizing process, again mechanical disintegration is carried out to it, obtain median size lower than the wool fiber of 10 μm, again chitosan is dissolved the chitosan solution obtaining 8% with 5% acetum, then titanium dioxide and polyoxyethylene glycol are mixed even with 4 times amount deionized water ultrasonic disperse, add above-mentioned chitosan solution and continue dispersion 5min, finally wool fiber is impregnated in mixed solution, dipping 10min;
(2) wool fiber is transferred in high-temperature high-pressure reaction kettle together with mixed solution, constant temperature process 0.5h under 100 ° of C, clarify to solution with deionized water wash after modified wool is taken out, finally naturally dry for subsequent use;
(3) hollow glass bead, starch and deionized water are mixed, heated and stirred forms pasty state, add aqueous polyurethane rapid stirring 1h again, by the dissolve with ethanol of didodecyldimethylammbromide bromide by 3 times amount, clay is added to ultrasonic disperse 10min in didodecyldimethylammbromide bromide solution again, filtration deionized water wash is to neutral post-drying;
(4) clay and modified aqueous polyurethane emulsion are added in magnetic stirring apparatus, heating evaporation 1h in water bath with thermostatic control, then by modified aqueous polyurethane emulsion casting film-forming, drying for standby at the temperature of 60 ° of C;
(5) modified aqueous polyurethane step (4) obtained and other surplus materialss are added in twin screw extruder, spout adds modified woolen fiber prepared by step (2), at the temperature of 100 ° of C, screw speed is extruding pelletization under the condition of 150 revs/min, obtains material of the present invention.
Performance test:
Test its material according to embodiment preparation, result is as follows: water vapour permeability: 3489g/ (m2 ﹡ 24h), water-intake rate: 4.9%, tension set: 621%, tensile strength: 138MPa, ageing resistance: 4 grades, light fastness aging: 4 grades, rolling processing: good.
Claims (2)
1. the automobile imitation leather interior material that turns white of a resistance to stress, it is characterized in that, be made up of the raw material of following weight part: wool fiber 25-30, chitosan 4-5, titanium dioxide 2-3, polyoxyethylene glycol 0.6-1, aqueous polyurethane 100-110, didodecyldimethylammbromide bromide 0.2-0.4, clay 5-6, hollow glass bead 6-7, starch 3-4, fly ash micro-sphere 4-5, alumine 5-6, deionized water are appropriate.
2. the automobile imitation leather interior material that turns white of a kind of resistance to stress according to claim 1, is characterized in that, be made up of following concrete preparation method:
(1) wool fiber is carried out degreasing deodorizing process, again mechanical disintegration is carried out to it, obtain median size lower than the wool fiber of 10 μm, again chitosan is dissolved the chitosan solution obtaining 8-10% with 5% acetum, then by titanium dioxide and polyoxyethylene glycol mixing 4-5 times amount deionized water ultrasonic disperse even, add above-mentioned chitosan solution and continue dispersion 5-10min, finally wool fiber is impregnated in mixed solution, dipping 10-20min;
(2) wool fiber is transferred in high-temperature high-pressure reaction kettle together with mixed solution, constant temperature process 0.5-1h under 100-120 ° of C, clarify to solution with deionized water wash after modified wool is taken out, finally naturally dry for subsequent use;
(3) hollow glass bead, starch and deionized water are mixed, heated and stirred forms pasty state, add aqueous polyurethane rapid stirring 1-2h again, by the dissolve with ethanol of didodecyldimethylammbromide bromide by 3-4 times amount, clay is added to ultrasonic disperse 10-20min in didodecyldimethylammbromide bromide solution again, filtration deionized water wash is to neutral post-drying;
(4) clay and modified aqueous polyurethane emulsion are added in magnetic stirring apparatus, heating evaporation 1-2h in water bath with thermostatic control, then by modified aqueous polyurethane emulsion casting film-forming, drying for standby at the temperature of 60-90 ° of C;
(5) modified aqueous polyurethane step (4) obtained and other surplus materialss are added in twin screw extruder, spout adds modified woolen fiber prepared by step (2), at the temperature of 100-110 ° of C, screw speed is extruding pelletization under the condition of 150 revs/min, obtains material of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055293.2A CN105504777A (en) | 2016-01-26 | 2016-01-26 | Anti-stress whitening automobile imitation leather interior trim material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055293.2A CN105504777A (en) | 2016-01-26 | 2016-01-26 | Anti-stress whitening automobile imitation leather interior trim material |
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| Publication Number | Publication Date |
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| CN105504777A true CN105504777A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610055293.2A Pending CN105504777A (en) | 2016-01-26 | 2016-01-26 | Anti-stress whitening automobile imitation leather interior trim material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798466A (en) * | 2010-03-16 | 2010-08-11 | 龙海市奈特化工有限责任公司 | Natural fiber composite material and preparation method thereof |
| CN102912634A (en) * | 2012-10-18 | 2013-02-06 | 西安工程大学 | Method for modifying surfaces of wool fibers by using tetrabutyl titanate and chitosan |
| CN104479334A (en) * | 2014-10-23 | 2015-04-01 | 合肥金伶俐服饰有限公司 | Skin-imitated polyurethane interior trim leather and producing method thereof |
| CN105176028A (en) * | 2015-09-23 | 2015-12-23 | 芜湖环瑞汽车内饰件有限公司 | Ultraviolet and aging resisting composite material for automotive upholstery and a preparing method composite material |
-
2016
- 2016-01-26 CN CN201610055293.2A patent/CN105504777A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798466A (en) * | 2010-03-16 | 2010-08-11 | 龙海市奈特化工有限责任公司 | Natural fiber composite material and preparation method thereof |
| CN102912634A (en) * | 2012-10-18 | 2013-02-06 | 西安工程大学 | Method for modifying surfaces of wool fibers by using tetrabutyl titanate and chitosan |
| CN104479334A (en) * | 2014-10-23 | 2015-04-01 | 合肥金伶俐服饰有限公司 | Skin-imitated polyurethane interior trim leather and producing method thereof |
| CN105176028A (en) * | 2015-09-23 | 2015-12-23 | 芜湖环瑞汽车内饰件有限公司 | Ultraviolet and aging resisting composite material for automotive upholstery and a preparing method composite material |
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Application publication date: 20160420 |