CN105504774A - Automobile interior material with good chemical resistance and high thermostability - Google Patents
Automobile interior material with good chemical resistance and high thermostability Download PDFInfo
- Publication number
- CN105504774A CN105504774A CN201610055278.8A CN201610055278A CN105504774A CN 105504774 A CN105504774 A CN 105504774A CN 201610055278 A CN201610055278 A CN 201610055278A CN 105504774 A CN105504774 A CN 105504774A
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- CN
- China
- Prior art keywords
- parts
- interior material
- automobile interior
- aqueous polyurethane
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses an automobile interior material with good chemical resistance and high thermostability. The automobile interior material is prepared from, by weight, 25-30 parts of wool fiber, 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, 4-5 parts of polyethylene micro powder, 6-7 parts of potassium titanate whisker, 1-2 parts of amino silane, 5-6 parts of nanometer brick slag powder and an appropriate amount of deionized water. According to the automobile interior material with the good chemical resistance and high thermostability, automobile interior parts are excellent in performance, the surface is not prone to absorb dust, and the automobile interior material with the good chemical resistance and high thermostability is good in mechanical property and chemical resistance, high in thermostability and capable of being processed into the automobile interior parts with various shapes through injection molding.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to the automotive interior material that the good thermostability of a kind of chemical resistant properties is high.
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, provides the automotive interior material that the good thermostability of a kind of chemical resistant properties is high.
The present invention is achieved by the following technical solutions:
The automotive interior material that the good thermostability of chemical resistant properties is high, 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, polyethylene micropowder 4-5, potassium titanate crystal whisker 6-7, aminosilane 1-2, nano brick ground-slag 5-6, deionized water are appropriate;
The automotive interior material that the good thermostability of described a kind of chemical resistant properties is high, 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) by potassium titanate crystal whisker and aminosilane mixing, heated and stirred is even, be added to rapid stirring 1-2h in aqueous polyurethane 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 potassium titanate crystal whisker 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 nano brick ground-slag added and polyethylene micropowder have saved the cost of material, and significantly improve the heat-resistant stability of material, chemical resistant properties, the performance of the aspect such as corrosion-resistant and wear-resisting, automotive upholstery excellent performance of the present invention, surface is attract dust not easily, and there is good mechanical property, chemical resistant properties is good, thermostability is high, the automotive upholstery of different shape can be become by injection molding.
Embodiment
The automotive interior material that the good thermostability of chemical resistant properties is high, 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, polyethylene micropowder 4, potassium titanate crystal whisker 6, aminosilane 1, nano brick ground-slag 5, deionized water are appropriate;
The automotive interior material that the good thermostability of described a kind of chemical resistant properties is high, 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) by potassium titanate crystal whisker and aminosilane mixing, heated and stirred is even, be added to rapid stirring 1h in aqueous polyurethane 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: 3357g/ (m2 ﹡ 24h), water-intake rate: 4.9%, tension set: 589%, tensile strength: 137Mpa, ageing resistance: 4 grades, light fastness aging: 4 grades, rolling processing: good.
Claims (2)
1. the automotive interior material that the good thermostability of chemical resistant properties is high, 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, polyethylene micropowder 4-5, potassium titanate crystal whisker 6-7, aminosilane 1-2, nano brick ground-slag 5-6, deionized water are appropriate.
2. the automotive interior material that the good thermostability of a kind of chemical resistant properties is high according to claim 1, is characterized in that, is 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) by potassium titanate crystal whisker and aminosilane mixing, heated and stirred is even, be added to rapid stirring 1-2h in aqueous polyurethane 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 |
|---|---|---|---|
| CN201610055278.8A CN105504774A (en) | 2016-01-26 | 2016-01-26 | Automobile interior material with good chemical resistance and high thermostability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055278.8A CN105504774A (en) | 2016-01-26 | 2016-01-26 | Automobile interior material with good chemical resistance and high thermostability |
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| Publication Number | Publication Date |
|---|---|
| CN105504774A true CN105504774A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610055278.8A Pending CN105504774A (en) | 2016-01-26 | 2016-01-26 | Automobile interior material with good chemical resistance and high thermostability |
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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 CN201610055278.8A patent/CN105504774A/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 |
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