CN108841170A - Automobile instrument panel shell - Google Patents

Abstract

A kind of automobile instrument panel shell, including shell, it is characterized in that, shell is made of engineering plastics, iAlN is 0.1-1%, Al2O3 0.3-1%, CrO2 0.1-1%, SiN 0.1-1%, diamond 0.1-5%, polyethanol 0.5-2%, PA635-50%, ABS8-15%, bromide fire retardant 12-20%, the 4-6% of fire retarding synergist containing antimony, compatilizer 2-5%, toughener 3-6%, antioxidant 0.2-0.6%, glass fibre 15-35%, processing aid 0.3-1%, remaining is engineering plastics original powder.2. a kind of modified engineered plastic formula according to claim 1, it is characterised in that：The engineering plastics are prepared by the raw material of following weight percentage：IAlN is 0.5%, Al2O3 0.6%, CrO2 0.5%, SiN 0.5%, diamond 2.5%, polyethanol 1.3%, PA642.5%, ABS11.5%, bromide fire retardant 16%, fire retarding synergist containing antimony 5%, compatilizer 3.5%, toughener 4.5%, antioxidant 0.4%, glass fibre 25%, processing aid 0.6%, further includes 3% toughened master batch.The shell is safer.

Description

Automobile instrument panel shell

Technical field

The present invention relates to automobile instrument fields, and in particular to the production of the shell of instrument board.

Background technique

Existing automobile instrument panel using engineering plastics as shell, when colliding, instrument board fragmentation will cause compared with Big danger, improving shell toughness is effective ways.

Summary of the invention

The purpose of the present invention is to provide a kind of automobile instrument panel shell with higher toughness.

To achieve the goals above, the present invention includes a kind of automobile instrument panel shell, including shell, which is characterized in that shell Body is made of engineering plastics, iAlN 0.1-1%, Al2O3 0.3-1%, CrO2 0.1-1%, SiN 0.1-1%, artificial Diamond is 0.1-5%, polyethanol 0.5-2%, PA635-50%, ABS8-15%, bromide fire retardant 12-20%, contains antimony resistance Combustion synergist 4-6%, compatilizer 2-5%, toughener 3-6%, antioxidant 0.2-0.6%, glass fibre 15-35%, processing help Agent 0.3-1%, remaining is engineering plastics original powder.2. a kind of modified engineered plastic formula according to claim 1, feature It is：The engineering plastics are prepared by the raw material of following weight percentage：IAlN is 0.5%, Al2O3 0.6%, CrO2 are 0.5%, SiN 0.5%, diamond 2.5%, polyethanol 1.3%, PA642.5%, ABS11.5%, bromine system are fire-retardant Agent 16%, compatilizer 3.5%, toughener 4.5%, antioxidant 0.4%, glass fibre 25%, adds fire retarding synergist containing antimony 5% Work auxiliary agent 0.6% further includes 3% toughened master batch,

The toughened master batch is prepared by following methods：

A, using polypropylene, ethylene propylene diene rubber and butadiene-styrene elastomer as base stock, using dimethylbenzene as solvent；Described poly- third The additional amount of alkene, ethylene propylene diene rubber and butadiene-styrene elastomer is respectively 180~190kg, 70~90kg and 17~18kg, described molten The additional amount of agent dimethylbenzene is 3200~3300L；

B, solvent xylene is weighed according to various materials additional amount ratio described in step a, puts into reaction kettle, and add Enter weighed base stock polypropylene, ethylene propylene diene rubber and butadiene-styrene elastomer, be then stirred, heat, when temperature reaches At 120 DEG C~130 DEG C, be added under conditions of keeping temperature-resistant 24~26kg of bridging agent styrene and acrylic acid 32~ 35kg, stirring are allowed to be uniformly dispersed, and 3~4kg of initiator benzoyl peroxide is then added, and it is small to react 2~3 at this temperature When, 2~2.5kg of antioxidant is added at the end of reaction and is uniformly mixing to obtain reaction mass；

C, kettle is extracted in the reaction mass injection obtained step b, and addition accounts for 2.5~3 times of reaction mass weight of distilled water, Solvent xylene is extracted, brilliant liquid mixture is obtained；

D, the brilliant liquid mixture that step c is obtained is separated, and obtains crystal；

E, the obtained crystal of step d is dried, it is dry female to get product toughening less than 0.5% to crystal moisture content Material

Remaining is engineering plastics original powder.

The beneficial effects of the present invention are can effectively improve shell toughness, and then improve the safety of shell.

Specific embodiment

A kind of automobile instrument panel shell, including shell, which is characterized in that shell is made of engineering plastics, iAlN 0.1- 1%, Al2O3 0.3-1%, CrO2 0.1-1%, SiN 0.1-1%, diamond 0.1-5%, polyethanol are 0.5-2%, PA635-50%, ABS8-15%, bromide fire retardant 12-20%, the 4-6% of fire retarding synergist containing antimony, compatilizer 2- 5%, toughener 3-6%, antioxidant 0.2-0.6%, glass fibre 15-35%, processing aid 0.3-1%, remaining is engineering plastic Expect original powder.2. a kind of modified engineered plastic formula according to claim 1, it is characterised in that：The engineering plastics are by following The raw material of weight percent is prepared：IAlN is 0.5%, Al2O3 0.6%, CrO2 0.5%, SiN 0.5%, artificial Diamond is 2.5%, polyethanol 1.3%, PA642.5%, ABS11.5%, bromide fire retardant 16%, fire retarding synergist containing antimony 5%, compatilizer 3.5%, toughener 4.5%, antioxidant 0.4%, glass fibre 25%, processing aid 0.6%, further include 3% Toughened master batch,

The toughened master batch is prepared by following methods：

A, using polypropylene, ethylene propylene diene rubber and butadiene-styrene elastomer as base stock, using dimethylbenzene as solvent；Described poly- third The additional amount of alkene, ethylene propylene diene rubber and butadiene-styrene elastomer is respectively 180~190kg, 70~90kg and 17~18kg, described molten The additional amount of agent dimethylbenzene is 3200~3300L；

B, solvent xylene is weighed according to various materials additional amount ratio described in step a, puts into reaction kettle, and add Enter weighed base stock polypropylene, ethylene propylene diene rubber and butadiene-styrene elastomer, be then stirred, heat, when temperature reaches At 120 DEG C~130 DEG C, be added under conditions of keeping temperature-resistant 24~26kg of bridging agent styrene and acrylic acid 32~ 35kg, stirring are allowed to be uniformly dispersed, and 3~4kg of initiator benzoyl peroxide is then added, and it is small to react 2~3 at this temperature When, 2~2.5kg of antioxidant is added at the end of reaction and is uniformly mixing to obtain reaction mass；

C, kettle is extracted in the reaction mass injection obtained step b, and addition accounts for 2.5~3 times of reaction mass weight of distilled water, Solvent xylene is extracted, brilliant liquid mixture is obtained；

D, the brilliant liquid mixture that step c is obtained is separated, and obtains crystal；

E, the obtained crystal of step d is dried, it is dry female to get product toughening less than 0.5% to crystal moisture content Material

Remaining is engineering plastics original powder.

The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All any modifications in spirit of that invention and principle, made are equal Replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (2)

1. a kind of automobile instrument panel shell, including shell, which is characterized in that shell is made of engineering plastics, iAlN 0.1- 1%, Al2O3 0.3-1%, CrO2 0.1-1%, SiN 0.1-1%, diamond 0.1-5%, polyethanol are 0.5-2%, PA635-50%, ABS8-15%, bromide fire retardant 12-20%, the 4-6% of fire retarding synergist containing antimony, compatilizer 2- 5%, toughener 3-6%, antioxidant 0.2-0.6%, glass fibre 15-35%, processing aid 0.3-1%, remaining is engineering plastic Expect original powder, further includes 3% toughened master batch.

2. a kind of modified engineered plastic formula according to claim 1, it is characterised in that：The engineering plastics are by following weight The raw material of percentage is prepared：IAlN is 0.5%, Al2O3 0.6%, CrO2 0.5%, SiN 0.5%, artificial diamond Stone is 2.5%, polyethanol 1.3%, PA642.5%, ABS11.5%, bromide fire retardant 16%, fire retarding synergist containing antimony 5%, Compatilizer 3.5%, toughener 4.5%, antioxidant 0.4%, glass fibre 25%, processing aid 0.6% further include 3% increasing Tough masterbatch,

The toughened master batch is prepared by following methods：

A, using polypropylene, ethylene propylene diene rubber and butadiene-styrene elastomer as base stock, using dimethylbenzene as solvent；The polypropylene, The additional amount of ethylene propylene diene rubber and butadiene-styrene elastomer is respectively 180~190kg, 70~90kg and 17~18kg, the solvent The additional amount of dimethylbenzene is 3200~3300L；

B, solvent xylene is weighed according to various materials additional amount ratio described in step a, puts into reaction kettle, and title is added Base stock polypropylene, ethylene propylene diene rubber and the butadiene-styrene elastomer taken, is then stirred, heats, when temperature reaches 120 DEG C At~130 DEG C, 24~26kg of bridging agent styrene and 32~35kg of acrylic acid, stirring are added under conditions of keeping temperature-resistant It is allowed to be uniformly dispersed, 3~4kg of initiator benzoyl peroxide is then added, react 2~3 hours at this temperature, reaction terminates When be added 2~2.5kg of antioxidant be uniformly mixing to obtain reaction mass；

C, kettle is extracted in the reaction mass injection obtained step b, and addition accounts for 2.5~3 times of reaction mass weight of distilled water, will be molten Agent dimethylbenzene extracts, and obtains brilliant liquid mixture；

D, the brilliant liquid mixture that step c is obtained is separated, and obtains crystal；

E, the obtained crystal of step d is dried, drying is to crystal moisture content less than 0.5% to get product toughened master batch

Remaining is engineering plastics original powder.