CN105778209A - Preparation method of high-fire-retardant automobile dashboard composite material - Google Patents
Preparation method of high-fire-retardant automobile dashboard composite material Download PDFInfo
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- CN105778209A CN105778209A CN201610140667.0A CN201610140667A CN105778209A CN 105778209 A CN105778209 A CN 105778209A CN 201610140667 A CN201610140667 A CN 201610140667A CN 105778209 A CN105778209 A CN 105778209A
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- preparation
- composite material
- fire
- instrument panel
- coupling agent
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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)
Abstract
The invention discloses a preparation method of a high-fire-retardant automobile dashboard composite material. The preparation method comprises the following steps: feeding all raw materials into a high-speed stirring machine for stirring according to the weight parts, then performing melt extrusion on the stirred materials in a double-screw extruder, granulating the material after cooling, and drying, screening and packing granules to obtain the high-fire-retardant automobile dashboard composite material. The high-fire-retardant automobile dashboard composite material has the advantages of light mass, high strength, impact resistance, good shock absorption effect and the like, and particularly the flame retardancy is much higher than that of most products in the market; the composite material is used for manufacturing an automobile dashboard, light weight, energy conservation and environment friendliness of an automobile are realized; furthermore, the high-fire-retardant automobile dashboard composite material also has the advantages of low cost and simple process, and is favorable for being popularized and applied widely.
Description
Technical field
The invention belongs to polymeric material field, the preparation method relating to a kind of high flame retardant automobile instrument panel composite.
Technical background
Along with the fast development of Chinese society economy, China's car has started to enter on a large scale domestic. applications in recent years, and the main target of current world car industrial development direction is: save the energy, it is prevented that ecological deterioration, improve security performance.Namely theme is " energy-conservation ", " environmental protection ", " safety ".As the main material constituting automobile, the application level of plastics is directly connected to this three big theme, uses plastics in a large number, be possible not only to realize lightweight on automobile, also can reach the target of safety, anticorrosion, the aspect such as comfortable, and advantageously reduce cost.
Instrument board is one of most important part of body of a motor car, is positioned at driver's dead ahead, is furnished with light signal instructions such as trip odometer, speedometer, engine speed indicator, fuel gauge and emergency warning lamp etc. in general above.In car, instrumental panel can supervise the working condition of all parts in car, is requisite important instrument in car naturally.Dash board can be divided into hard plastic instrument board, plastic uptake instrument board and semihard bubble soft instrument panel by comfortableness.Instrument board body with Shooting Technique make for hard plastic instrument board, because its technique is simple, invests the advantage such as low and be widely used, especially low and middle-grade cars.Wherein have and be partially or fully coated with decorative paint or soft tactile paint, to improve outward appearance, to increase tone or improve texture.
Modified automobile special material has been carried out substantial amounts of research and development and marketization work by China in recent years, and achieve certain effect, but the plastics instrumental panel being used on automobile still suffers from various problem, such as plastics instrumental panel poor fire, easily scorched by cigarette end, affect the attractive in appearance of automotive trim and use.For this, we set about from the formula of product, develop new H.D raw material, it is provided that the preparation method of a kind of high flame retardant automobile instrument panel composite.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that the preparation method of a kind of high flame retardant automobile instrument panel composite.
It is an object of the invention to be achieved through the following technical solutions: the preparation method of a kind of high flame retardant automobile instrument panel composite, said method comprising the steps of:
A. raw material is taken by following weight portion: HDPE45-65 part, EVA resin 35-40 part, LNBR 5-12 part, poly-isocyanurate 20-35 part, ethoxy end-blocking polydimethylsiloxane 1.5-4 part, calcium stearate 2-5 part, zinc stearate 3-5 part, chain extender 4-8 part, coupling agent 1-5 part, fire retardant 2-4 part, inorganic filler 20-25 part；
B. open homogenizer, the raw material of step a is all fed in homogenizer, homogenizer temperature is adjusted to 135-150 DEG C, be stirring 30min under 300r/min at homogenizer rotating speed；
C. the material after being stirred by step b melt extrudes in double screw extruder; in each district, processing temperature is arranged between 255-275 DEG C, engine speed is blended under 200-300r/min, extrusion; through pelleter pelletizing after cooling, pellet is then through dry, screening, packaging into products.
Described chain extender is the mixture of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine, and the weight ratio of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine is 6:5.
Described fire retardant is that starch, carbamide and tetramethylolmethane are according to the weight ratio 12:6:23 mixture formed.
Described inorganic filler one in Pulvis Talci, calcium carbonate, barium sulfate, glass microballoon, glass dust or white carbon black.
Described coupling agent is at least one in silane coupler, aluminate coupling agent, titanate coupling agent.
The method have the advantages that the high flame retardant automobile instrument panel composite of the present invention has the advantage such as light weight, high, shock-resistant, the good damping effect of intensity, particularly in fire resistance aspect, it is significantly better than most of product on the market, for making automobile instrument panel, achieve automotive light weight technology and energy-conserving and environment-protective, have both that cost is low, the simple advantage of technique simultaneously, be conducive to large-scale popularization and application.
Detailed description of the invention
Embodiment 1
The preparation method of a kind of high flame retardant automobile instrument panel composite, said method comprising the steps of:
A. raw material is taken by following weight portion: HDPE45 part, EVA resin 35 parts, LNBR 5 parts, poly-isocyanurate 20 parts, ethoxy end-blocking polydimethylsiloxane 1.5 parts, calcium stearate 2 parts, zinc stearate 3 parts, chain extender 4 parts, coupling agent 1 part, fire retardant 2 parts, inorganic filler 20 parts；
B. open homogenizer, the raw material of step a is all fed in homogenizer, homogenizer temperature is adjusted to 135-150 DEG C, be stirring 30min under 300r/min at homogenizer rotating speed；
C. the material after being stirred by step b melt extrudes in double screw extruder; in each district, processing temperature is arranged between 255-275 DEG C, engine speed is blended under 200-300r/min, extrusion; through pelleter pelletizing after cooling, pellet is then through dry, screening, packaging into products.
Described chain extender is the mixture of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine, and the weight ratio of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine is 6:5.
Described fire retardant is that starch, carbamide and tetramethylolmethane are according to the weight ratio 12:6:23 mixture formed.
Described inorganic filler one in Pulvis Talci, calcium carbonate, barium sulfate, glass microballoon, glass dust or white carbon black.
Described coupling agent is at least one in silane coupler, aluminate coupling agent, titanate coupling agent.
Embodiment 2
The preparation method of a kind of high flame retardant automobile instrument panel composite, said method comprising the steps of:
A. raw material is taken by following weight portion: HDPE65 part, EVA resin 40 parts, LNBR 12 parts, poly-isocyanurate 35 parts, ethoxy end-blocking polydimethylsiloxane 4 parts, calcium stearate 5 parts, zinc stearate 5 parts, chain extender 8 parts, coupling agent 5 parts, fire retardant 4 parts, inorganic filler 25 parts；
B. open homogenizer, the raw material of step a is all fed in homogenizer, homogenizer temperature is adjusted to 135-150 DEG C, be stirring 30min under 300r/min at homogenizer rotating speed；
C. the material after being stirred by step b melt extrudes in double screw extruder; in each district, processing temperature is arranged between 255-275 DEG C, engine speed is blended under 200-300r/min, extrusion; through pelleter pelletizing after cooling, pellet is then through dry, screening, packaging into products.
Described chain extender is the mixture of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine, and the weight ratio of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine is 6:5.
Described fire retardant is that starch, carbamide and tetramethylolmethane are according to the weight ratio 12:6:23 mixture formed.
Described inorganic filler one in Pulvis Talci, calcium carbonate, barium sulfate, glass microballoon, glass dust or white carbon black.
Described coupling agent is at least one in silane coupler, aluminate coupling agent, titanate coupling agent.
Embodiment 3
The preparation method of a kind of high flame retardant automobile instrument panel composite, said method comprising the steps of:
A. raw material is taken by following weight portion: HDPE55 part, EVA resin 38 parts, LNBR 7 parts, poly-isocyanurate 28 parts, ethoxy end-blocking polydimethylsiloxane 3 parts, calcium stearate 4 parts, zinc stearate 4 parts, chain extender 6 parts, coupling agent 3 parts, fire retardant 3 parts, inorganic filler 23 parts；
B. open homogenizer, the raw material of step a is all fed in homogenizer, homogenizer temperature is adjusted to 135-150 DEG C, be stirring 30min under 300r/min at homogenizer rotating speed；
C. the material after being stirred by step b melt extrudes in double screw extruder; in each district, processing temperature is arranged between 255-275 DEG C, engine speed is blended under 200-300r/min, extrusion; through pelleter pelletizing after cooling, pellet is then through dry, screening, packaging into products.
Described chain extender is the mixture of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine, and the weight ratio of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine is 6:5.
Described fire retardant is that starch, carbamide and tetramethylolmethane are according to the weight ratio 12:6:23 mixture formed.
Described inorganic filler one in Pulvis Talci, calcium carbonate, barium sulfate, glass microballoon, glass dust or white carbon black.
Described coupling agent is at least one in silane coupler, aluminate coupling agent, titanate coupling agent.
Claims (5)
1. the preparation method of a high flame retardant automobile instrument panel composite, it is characterised in that said method comprising the steps of:
A. raw material is taken by following weight portion: HDPE45-65 part, EVA resin 35-40 part, LNBR 5-12 part, poly-isocyanurate 20-35 part, ethoxy end-blocking polydimethylsiloxane 1.5-4 part, calcium stearate 2-5 part, zinc stearate 3-5 part, chain extender 4-8 part, coupling agent 1-5 part, fire retardant 2-4 part, inorganic filler 20-25 part；
B. open homogenizer, the raw material of step a is all fed in homogenizer, homogenizer temperature is adjusted to 135-150 DEG C, be stirring 30min under 300r/min at homogenizer rotating speed；
C. the material after being stirred by step b melt extrudes in double screw extruder; in each district, processing temperature is arranged between 255-275 DEG C, engine speed is blended under 200-300r/min, extrusion; through pelleter pelletizing after cooling, pellet is then through dry, screening, packaging into products.
2. the preparation method Preparation Method of a kind of high flame retardant automobile instrument panel composite according to claim 1, it is characterized in that: described chain extender is the mixture of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine, and the weight ratio of hydroquinone double hydroxyethyl ether, dimethythiotoluene diamine is 6:5.
3. the preparation method Preparation Method of a kind of high flame retardant automobile instrument panel composite according to claim 1, it is characterised in that: described fire retardant is that starch, carbamide and tetramethylolmethane are according to the weight ratio 12:6:23 mixture formed.
4. the preparation method Preparation Method of a kind of high flame retardant automobile instrument panel composite according to claim 1, it is characterised in that: described inorganic filler one in Pulvis Talci, calcium carbonate, barium sulfate, glass microballoon, glass dust or white carbon black.
5. the preparation method Preparation Method of a kind of high flame retardant automobile instrument panel composite according to claim 1, it is characterised in that: described coupling agent is at least one in silane coupler, aluminate coupling agent, titanate coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610140667.0A CN105778209A (en) | 2016-03-14 | 2016-03-14 | Preparation method of high-fire-retardant automobile dashboard composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610140667.0A CN105778209A (en) | 2016-03-14 | 2016-03-14 | Preparation method of high-fire-retardant automobile dashboard composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105778209A true CN105778209A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610140667.0A Pending CN105778209A (en) | 2016-03-14 | 2016-03-14 | Preparation method of high-fire-retardant automobile dashboard composite material |
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| CN (1) | CN105778209A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831112A (en) * | 2010-05-14 | 2010-09-15 | 金发科技股份有限公司 | Halogen-free flame-retardant type injection molding-class polyolefin wood plastic composite material and preparation method thereof |
| CN102408618A (en) * | 2011-09-21 | 2012-04-11 | 安徽金田通信科技实业有限公司 | PVC (polyvinyl chloride) cable material and its preparation method |
| CN102850646A (en) * | 2011-06-27 | 2013-01-02 | 滁州格美特科技有限公司 | Flame-retardant antistatic high-strength thermoplastic composite material and its preparation method |
| CN104530563A (en) * | 2014-12-25 | 2015-04-22 | 芜湖市汽车产业技术研究院有限公司 | Injection-molding carbon fiber composite material and preparation method thereof, application of injection-molding carbon fiber composite material in automobile parts |
| CN104744773A (en) * | 2013-12-30 | 2015-07-01 | 青岛万力科技有限公司 | Halogen-free flame retardant polyethylene composite material and preparation method thereof |
-
2016
- 2016-03-14 CN CN201610140667.0A patent/CN105778209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831112A (en) * | 2010-05-14 | 2010-09-15 | 金发科技股份有限公司 | Halogen-free flame-retardant type injection molding-class polyolefin wood plastic composite material and preparation method thereof |
| CN102850646A (en) * | 2011-06-27 | 2013-01-02 | 滁州格美特科技有限公司 | Flame-retardant antistatic high-strength thermoplastic composite material and its preparation method |
| CN102408618A (en) * | 2011-09-21 | 2012-04-11 | 安徽金田通信科技实业有限公司 | PVC (polyvinyl chloride) cable material and its preparation method |
| CN104744773A (en) * | 2013-12-30 | 2015-07-01 | 青岛万力科技有限公司 | Halogen-free flame retardant polyethylene composite material and preparation method thereof |
| CN104530563A (en) * | 2014-12-25 | 2015-04-22 | 芜湖市汽车产业技术研究院有限公司 | Injection-molding carbon fiber composite material and preparation method thereof, application of injection-molding carbon fiber composite material in automobile parts |
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Application publication date: 20160720 |
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