CN109181206A - A kind of preparation method of automotive oil tank composite plastics material - Google Patents
A kind of preparation method of automotive oil tank composite plastics material Download PDFInfo
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- CN109181206A CN109181206A CN201810943646.1A CN201810943646A CN109181206A CN 109181206 A CN109181206 A CN 109181206A CN 201810943646 A CN201810943646 A CN 201810943646A CN 109181206 A CN109181206 A CN 109181206A
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76595—Velocity
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- 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
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation method of automotive oil tank composite plastics material, the technique by the raw materials such as cellulose acetate micro mist, diethylene glycol dibenzoate, montmorillonite, glass fibre, silica, polysulfide rubber, acrylonitrile-butadiene-styrene copolymer, polyvinyl chloride, polypropylene, hexadecyltrimethylammonium chloride, pentaerythritol stearate pass through respectively high speed ball milling, sieving sorting, high temperature sectional reaction, inert gas pressured activation, be segmented be molded pressing mold, automotive oil tank composite plastics material is prepared in fluidization treatment, drying and other steps.The automotive oil tank composite plastics material being prepared, hardness height, impact resistance, fire protection flame retarding, market application value with higher.
Description
Technical field
The present invention relates to this technical fields of plastic material, are related specifically to a kind of system of automotive oil tank composite plastics material
Preparation Method.
Background technique
Automotive light weight technology has become the development trend of Global Auto.Plastics are currently the most important car light materials.It
It not only can reduce the quality of components about 40%, reduce oil consumption, improve fuel efficiency, make production cost reduction by 40% or so, and
And hydrocarbon emission can also be reduced, power is improved, adverse circumstances are adapted to, increases safety.Meanwhile plastics are recyclable,
To save the resource consumption in manufacturing process, automobile is finally made to obtain more breakthroughs in terms of safety and cost two.In recent years
Come, internationally attaches great importance to the exploitation of novel automobile plastic material and accessory, be more partial to lightweight knot in design vehicle
Structure, the plastics including using material lighter substitute part steel construction.Global plastic automotive parts industry is given in these behaves
Bring the opportunity to develop of a new round.Currently, external developed regions auto plastics have accounted for the 7%~11% of plastics total flow, but
The auto plastics in China in plastics aggregate consumption proportion less than 1%, it is seen that China auto plastics component market still has very
Big development space.Fuel tank is one of function part and safety member important in automobile component.Requirement of the user to automobile is more next
It is higher, such as comfortable interior space, roomy luggage case, stable travelling etc., as a result, the place of charge of oil case leaves behind
The confined space of one block-shaped complexity, therefore the shape of fuel tank becomes very complicated.Traditional fuel tank is made of metal,
Due to the particularity of intermetallic composite coating, difficult forming, and the intensity at soldered is also low, often goes wrong in use.Steel
Fuel tank is difficult to produce complex-shaped product, and manufacturing process is more, at high cost.Plastic fuel tank freedom of design in configuration is big, empty
Between utilization rate it is high, various complicated shapes can be processed into, be conducive to the space for making full use of car body；The weight of plastic fuel tank
It gently, can be with loss of weight 30%~50%；Plastic fuel tank excellent durability has preferable thermal insulation properties, excellent chemically-resistant
Corrosive nature.In recent years, with plastics on automobile application range increase year by year, automobile metal fuel tank gradually fires by plastics
The plastic fuel tank utilization rate of current China car replaced fuel tank nearly reaches 86%.
Summary of the invention
In order to solve the above-mentioned technical problem, the invention discloses a kind of preparation method of automotive oil tank composite plastics material,
The technique is by cellulose acetate micro mist, diethylene glycol dibenzoate, montmorillonite, glass fibre, silica, polysulfide rubber, third
Alkene nitrile-butadiene-styrene copolymer, polyvinyl chloride, polypropylene, hexadecyltrimethylammonium chloride, pentaerythrite stearic acid
The raw materials such as ester pass through respectively high speed ball milling, sieving sorting, high temperature sectional reaction, inert gas pressured activation, be segmented be molded pressing mold,
Automotive oil tank composite plastics material is prepared in fluidization treatment, drying and other steps.The automotive oil tank composite plastic material being prepared
Material, hardness height, impact resistance, fire protection flame retarding, market application value with higher.
Technical solution: to solve the above-mentioned problems, the invention discloses a kind of preparations of automotive oil tank composite plastics material
Method, comprising the following steps:
(1) by 10-20 parts of cellulose acetate micro mist, 6-10 parts of diethylene glycol dibenzoate, 7-10 parts of montmorillonite, glass fibre 5-
10 parts, 2-5 parts of silica, 3-7 parts of polysulfide rubber, 2-3 parts of dispersing agent be added in high speed ball mill and carry out ball milling, when ball milling
Between be 60-65 minute, ratio of grinding media to material 99:1, abundant ball milling crushes product thoroughly, collection ball milling product sieve for subsequent use；
(2) the ball milling product of step (1) is added in roll mill and carries out pyroreaction, when reaction temperature rises to 550 DEG C successively
Acrylonitrile-butadiene-styrene copolymer 20-30 parts, 10-15 parts of polyvinyl chloride, 5-10 parts of polypropylene, cetyl three is added
3-7 parts of ammonio methacrylate, 5-9 parts of pentaerythritol stearate, 1-4 parts of coupling agent, 3-4 parts of curing agent, are heated after mixing evenly
Temperature rises to 800-850 DEG C, is filled with inert gas, is naturally cooling to 300-310 DEG C after continuing insulation reaction 1-3 hours；(3)
Injection molding pressing mold will be carried out in the reaction solution injection injection molding machine of step (2), then cooling, fixed, demoulding.
(4) moulding of step (3) is put into steam vulcanization tank, with steam pressurization 0.4-0.6MPa, is warming up to 150-160 DEG C
Vulcanizing treatment is carried out, the processing time is 30-40min.
(5) the vulcanization plastic part of step (4) is dried, packed to get finished product.
Preferably, the dispersing agent in the step (1) is the mixture of atoleine, magnesium stearate, polyethylene glycol, mass ratio
For 2:1:1.
Preferably, the mesh size of crossing in the step (1) is 300 mesh.
Preferably, the coupling agent in the step (2) is selected from vinyltriethoxysilane, 3- glycydoxy three
One of methoxy silane, γ-aminopropyl trimethoxysilane, γ-methacryloxypropyl trimethoxy silane or
It is several.Preferably, the curing agent in the step (2) be selected from diethylenetriamine, hexa, tert-butyl peroxy base ethane,
One or more of diamino diphenyl sulfone.
Preferably, the inert gas in the step (2) is nitrogen, gas pressure intensity 2-5MPa.
Preferably, it is 280-320 DEG C that the injecting condition in the step (3), which is nozzle temperature, and the temperature in an area and 2nd area is
280-320 DEG C, the temperature in 3rd area and 4th area is 270-275 DEG C, and the temperature in 5th area and 6th area is 270-275 DEG C, injection mold
Mould temperature is 90-320 DEG C, injection pressure 100-150MPa, injection speed 220-300mm/s.
Preferably, the drying in the step (5) is that room temperature is protected from light drying.
Compared with prior art, the present invention has the advantages that:
(1) a kind of preparation method of automotive oil tank composite plastics material of the invention is by cellulose acetate micro mist, diethylene glycol (DEG) hexichol
Formic acid esters, montmorillonite, glass fibre, silica, polysulfide rubber, acrylonitrile-butadiene-styrene copolymer, polyvinyl chloride,
The raw materials such as polypropylene, hexadecyltrimethylammonium chloride, pentaerythritol stearate pass through high speed ball milling respectively, sieving sorts,
Automobile oil is prepared in high temperature sectional reaction, inert gas pressured activation, segmentation injection molding pressing mold, fluidization treatment, drying and other steps
Case composite plastics material.The automotive oil tank composite plastics material being prepared, hardness height, impact resistance, fire protection flame retarding, have compared with
High market application value.
(2) automotive oil tank composite plastics material raw material of the invention be easy to get, simple process, be suitable for heavy industrialization and use, it is real
It is strong with property.
Specific embodiment
Embodiment 1
(1) by 10 parts of cellulose acetate micro mist, 6 parts of diethylene glycol dibenzoate, 7 parts of montmorillonite, 5 parts of glass fibre, titanium dioxide
2 parts of silicon, 3 parts of polysulfide rubber, 2 parts of dispersing agent be added in high speed ball mill and carry out ball milling, Ball-milling Time is 60-65 minutes, ball
For material than being 99:1, abundant ball milling crushes product thoroughly, collects ball milling product and sieves for subsequent use, wherein dispersing agent be atoleine,
The mixture of magnesium stearate, polyethylene glycol, mass ratio 2:1:1, crossing mesh size is 300 mesh；
(2) the ball milling product of step (1) is added in roll mill and carries out pyroreaction, when reaction temperature rises to 550 DEG C successively
20 parts of acrylonitrile-butadiene-styrene copolymer, 10 parts of polyvinyl chloride, 5 parts of polypropylene, cetyl trimethyl chlorination is added
3 parts of ammonium, 5 parts of pentaerythritol stearate, 1 part of vinyltriethoxysilane, 3 parts of diethylenetriamine, are heated after mixing evenly
Temperature rises to 800 DEG C, is filled with nitrogen, and gas pressure intensity 2MPa continues insulation reaction and is naturally cooling to 300-310 after 1 hour
℃；
(3) injection molding pressing mold will be carried out in the reaction solution injection injection molding machine of step (2), then cooling, fixed, demoulding, wherein infusing
Modeling condition is that nozzle temperature is 280-320 DEG C, and the temperature in an area and 2nd area is 280-320 DEG C, and the temperature in 3rd area and 4th area is
270-275 DEG C, the temperature in 5th area and 6th area is 270-275 DEG C, and the mould temperature of injection mold is 90 DEG C, injection pressure 100MPa, note
Firing rate degree is 220mm/s.
(4) moulding of step (3) is put into steam vulcanization tank, with steam pressurization 0.4MPa, is warming up to 150-160 DEG C of progress
Vulcanizing treatment, processing time are 30min.
(5) the vulcanization plastic part of step (4) is subjected to room temperature and is protected from light dry, packaging to get finished product.
Embodiment 2
(1) by 13 parts of cellulose acetate micro mist, 7 parts of diethylene glycol dibenzoate, 8 parts of montmorillonite, 6 parts of glass fibre, titanium dioxide
3 parts of silicon, 4 parts of polysulfide rubber, 2 parts of dispersing agent be added in high speed ball mill and carry out ball milling, Ball-milling Time is 60-65 minutes, ball
For material than being 99:1, abundant ball milling crushes product thoroughly, collects ball milling product and sieves for subsequent use, wherein dispersing agent be atoleine,
The mixture of magnesium stearate, polyethylene glycol, mass ratio 2:1:1, crossing mesh size is 300 mesh；
(2) the ball milling product of step (1) is added in roll mill and carries out pyroreaction, when reaction temperature rises to 550 DEG C successively
23 parts of acrylonitrile-butadiene-styrene copolymer, 12 parts of polyvinyl chloride, 7 parts of polypropylene, cetyl trimethyl chlorination is added
5 parts of ammonium, 6 parts of pentaerythritol stearate, 2 parts of 3- glycidyl ether oxypropyltrimethoxysilane, hexa 3
Part, heating temperature rises to 820 DEG C after mixing evenly, is filled with nitrogen, and gas pressure intensity 3MPa continued insulation reaction after 2 hours
It is naturally cooling to 300-310 DEG C；
(3) injection molding pressing mold will be carried out in the reaction solution injection injection molding machine of step (2), then cooling, fixed, demoulding, wherein infusing
Modeling condition is that nozzle temperature is 280-320 DEG C, and the temperature in an area and 2nd area is 280-320 DEG C, and the temperature in 3rd area and 4th area is
270-275 DEG C, the temperature in 5th area and 6th area is 270-275 DEG C, and the mould temperature of injection mold is 180 DEG C, injection pressure 120MPa, note
Firing rate degree is 250mm/s.
(4) moulding of step (3) is put into steam vulcanization tank, with steam pressurization 0.5MPa, is warming up to 150-160 DEG C of progress
Vulcanizing treatment, processing time are 33min.
(5) the vulcanization plastic part of step (4) is subjected to room temperature and is protected from light dry, packaging to get finished product.
Embodiment 3
(1) by 17 parts of cellulose acetate micro mist, 9 parts of diethylene glycol dibenzoate, 8 parts of montmorillonite, 9 parts of glass fibre, titanium dioxide
4 parts of silicon, 6 parts of polysulfide rubber, 2 parts of dispersing agent be added in high speed ball mill and carry out ball milling, Ball-milling Time is 60-65 minutes, ball
For material than being 99:1, abundant ball milling crushes product thoroughly, collects ball milling product and sieves for subsequent use, wherein dispersing agent be atoleine,
The mixture of magnesium stearate, polyethylene glycol, mass ratio 2:1:1, crossing mesh size is 300 mesh；
(2) the ball milling product of step (1) is added in roll mill and carries out pyroreaction, when reaction temperature rises to 550 DEG C successively
27 parts of acrylonitrile-butadiene-styrene copolymer, 14 parts of polyvinyl chloride, 9 parts of polypropylene, cetyl trimethyl chlorination is added
6 parts of ammonium, 8 parts of pentaerythritol stearate, 3 parts of γ-aminopropyl trimethoxysilane, 4 parts of tert-butyl peroxy base ethane, stirring are equal
Heating temperature rises to 840 DEG C after even, is filled with nitrogen, and gas pressure intensity 4MPa continues insulation reaction and is naturally cooling to after 2 hours
300-310℃；
(3) injection molding pressing mold will be carried out in the reaction solution injection injection molding machine of step (2), then cooling, fixed, demoulding, wherein infusing
Modeling condition is that nozzle temperature is 280-320 DEG C, and the temperature in an area and 2nd area is 280-320 DEG C, and the temperature in 3rd area and 4th area is
270-275 DEG C, the temperature in 5th area and 6th area is 270-275 DEG C, and the mould temperature of injection mold is 250 DEG C, injection pressure 140MPa, note
Firing rate degree is 280mm/s.
(4) moulding of step (3) is put into steam vulcanization tank, with steam pressurization 0.5MPa, is warming up to 150-160 DEG C of progress
Vulcanizing treatment, processing time are 38min.
(5) the vulcanization plastic part of step (4) is subjected to room temperature and is protected from light dry, packaging to get finished product.
Embodiment 4
(1) by 20 parts of cellulose acetate micro mist, 10 parts of diethylene glycol dibenzoate, 10 parts of montmorillonite, 10 parts of glass fibre, dioxy
5 parts of SiClx, 7 parts of polysulfide rubber, 2 parts of dispersing agent be added in high speed ball mill and carry out ball milling, Ball-milling Time is 60-65 minutes,
Ratio of grinding media to material is 99:1, and abundant ball milling crushes product thoroughly, collects ball milling product and sieves for subsequent use, and wherein dispersing agent is liquid stone
Wax, magnesium stearate, polyethylene glycol mixture, mass ratio 2:1:1, cross mesh size be 300 mesh；
(2) the ball milling product of step (1) is added in roll mill and carries out pyroreaction, when reaction temperature rises to 550 DEG C successively
30 parts of acrylonitrile-butadiene-styrene copolymer, 15 parts of polyvinyl chloride, 10 parts of polypropylene, cetyl trimethyl chlorination is added
7 parts of ammonium, 9 parts of pentaerythritol stearate, 4 parts of γ-methacryloxypropyl trimethoxy silane, diamino diphenyl sulfone
4 parts, heating temperature rises to 850 DEG C after mixing evenly, is filled with nitrogen, and gas pressure intensity 5MPa continued insulation reaction after 3 hours
It is naturally cooling to 300-310 DEG C；
(3) injection molding pressing mold will be carried out in the reaction solution injection injection molding machine of step (2), then cooling, fixed, demoulding, wherein infusing
Modeling condition is that nozzle temperature is 280-320 DEG C, and the temperature in an area and 2nd area is 280-320 DEG C, and the temperature in 3rd area and 4th area is
270-275 DEG C, the temperature in 5th area and 6th area is 270-275 DEG C, and the mould temperature of injection mold is 20 DEG C, injection pressure 150MPa, note
Firing rate degree is 300mm/s.
(4) moulding of step (3) is put into steam vulcanization tank, with steam pressurization 0.6MPa, is warming up to 150-160 DEG C of progress
Vulcanizing treatment, processing time are 40min.
(5) the vulcanization plastic part of step (4) is subjected to room temperature and is protected from light dry, packaging to get finished product.
Comparative example 1
(1) by 10 parts of cellulose acetate micro mist, 6 parts of diethylene glycol dibenzoate, 7 parts of montmorillonite, 3 parts of polysulfide rubber, dispersing agent 2
Part, which is added in high speed ball mill, carries out ball milling, and Ball-milling Time is 60-65 minutes, and ratio of grinding media to material 99:1, abundant ball milling makes product
It thoroughly crushes, collects ball milling product and sieve for subsequent use, wherein dispersing agent is the mixing of atoleine, magnesium stearate, polyethylene glycol
Object, mass ratio 2:1:1, crossing mesh size is 300 mesh；
(2) the ball milling product of step (1) is added in roll mill and carries out pyroreaction, when reaction temperature rises to 550 DEG C successively
10 parts of polyvinyl chloride, 5 parts of polypropylene, 3 parts of hexadecyltrimethylammonium chloride, 5 parts of pentaerythritol stearate, vinyl is added
1 part of triethoxysilane, 3 parts of diethylenetriamine, heating temperature rises to 800 DEG C after mixing evenly, is filled with nitrogen, gas pressure intensity
For 2MPa, continues insulation reaction and be naturally cooling to 300-310 DEG C after 1 hour；
(3) injection molding pressing mold will be carried out in the reaction solution injection injection molding machine of step (2), then cooling, fixed, demoulding, wherein infusing
Modeling condition is that nozzle temperature is 280-320 DEG C, and the temperature in an area and 2nd area is 280-320 DEG C, and the temperature in 3rd area and 4th area is
270-275 DEG C, the temperature in 5th area and 6th area is 270-275 DEG C, and the mould temperature of injection mold is 90 DEG C, injection pressure 100MPa, note
Firing rate degree is 220mm/s.
(4) moulding of step (3) is put into steam vulcanization tank, with steam pressurization 0.4MPa, is warming up to 150-160 DEG C of progress
Vulcanizing treatment, processing time are 30min.
(5) the vulcanization plastic part of step (4) is subjected to room temperature and is protected from light dry, packaging to get finished product.
Comparative example 2
(1) by 20 parts of cellulose acetate micro mist, 10 parts of diethylene glycol dibenzoate, 10 parts of montmorillonite, 10 parts of glass fibre, dioxy
5 parts of SiClx, 7 parts of polysulfide rubber, 2 parts of dispersing agent be added in high speed ball mill and carry out ball milling, Ball-milling Time is 60-65 minutes,
Ratio of grinding media to material is 99:1, and abundant ball milling crushes product thoroughly, collects ball milling product and sieves for subsequent use, and wherein dispersing agent is liquid stone
Wax, magnesium stearate, polyethylene glycol mixture, mass ratio 2:1:1, cross mesh size be 300 mesh；
(2) the ball milling product of step (1) is added in roll mill and carries out pyroreaction, when reaction temperature rises to 550 DEG C successively
30 parts of acrylonitrile-butadiene-styrene copolymer, 15 parts of polyvinyl chloride, 10 parts of polypropylene, cetyl trimethyl chlorination is added
7 parts of ammonium, 9 parts of pentaerythritol stearate, 4 parts of γ-methacryloxypropyl trimethoxy silane, diamino diphenyl sulfone
4 parts, heating temperature rises to 850 DEG C after mixing evenly, is filled with nitrogen, and gas pressure intensity 5MPa continued insulation reaction after 3 hours
It is naturally cooling to 300-310 DEG C；
(3) injection molding pressing mold will be carried out in the reaction solution injection injection molding machine of step (2), then cooling, fixed, demoulding, wherein infusing
Modeling condition is that nozzle temperature is 280-320 DEG C, and the temperature in an area and 2nd area is 280-320 DEG C, and the temperature in 3rd area and 4th area is
270-275 DEG C, the temperature in 5th area and 6th area is 270-275 DEG C, and the mould temperature of injection mold is 20 DEG C, injection pressure 150MPa, note
Firing rate degree is 300mm/s.
(4) the vulcanization plastic part of step (3) is subjected to room temperature and is protected from light dry, packaging to get finished product.
The automotive oil tank composite plastics material obtained of embodiment 1-4 and comparative example 1-2 is subjected to impact strength, resistance respectively
Performance, this several high temperature ageing degree, antioxygenic property performance tests are fired, test result is shown in Table 1.
Table 1
A kind of preparation method of automotive oil tank composite plastics material of the invention is by cellulose acetate micro mist, diethylene glycol (DEG) hexichol
Formic acid esters, montmorillonite, glass fibre, silica, polysulfide rubber, acrylonitrile-butadiene-styrene copolymer, polyvinyl chloride,
The raw materials such as polypropylene, hexadecyltrimethylammonium chloride, pentaerythritol stearate pass through high speed ball milling respectively, sieving sorts,
Automobile oil is prepared in high temperature sectional reaction, inert gas pressured activation, segmentation injection molding pressing mold, fluidization treatment, drying and other steps
Case composite plastics material.The automotive oil tank composite plastics material being prepared, hardness height, impact resistance, fire protection flame retarding, have compared with
High market application value.Automotive oil tank composite plastics material raw material of the invention is easy to get, simple process, is suitable for large-scale industry
Change and uses, it is practical.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (8)
1. a kind of preparation method of automotive oil tank composite plastics material, which comprises the following steps:
(1) by 10-20 parts of cellulose acetate micro mist, 6-10 parts of diethylene glycol dibenzoate, 7-10 parts of montmorillonite, glass fibre 5-
10 parts, 2-5 parts of silica, 3-7 parts of polysulfide rubber, 2-3 parts of dispersing agent be added in high speed ball mill and carry out ball milling, when ball milling
Between be 60-65 minute, ratio of grinding media to material 99:1, abundant ball milling crushes product thoroughly, collection ball milling product sieve for subsequent use；
(2) the ball milling product of step (1) is added in roll mill and carries out pyroreaction, when reaction temperature rises to 550 DEG C successively
Acrylonitrile-butadiene-styrene copolymer 20-30 parts, 10-15 parts of polyvinyl chloride, 5-10 parts of polypropylene, cetyl three is added
3-7 parts of ammonio methacrylate, 5-9 parts of pentaerythritol stearate, 1-4 parts of coupling agent, 3-4 parts of curing agent, are heated after mixing evenly
Temperature rises to 800-850 DEG C, is filled with inert gas, is naturally cooling to 300-310 DEG C after continuing insulation reaction 1-3 hours；
(3) injection molding pressing mold will be carried out in the reaction solution injection injection molding machine of step (2), then cooling, fixed, demoulding.
(4) moulding of step (3) is put into steam vulcanization tank, with steam pressurization 0.4-0.6MPa, is warming up to 150-160 DEG C
Vulcanizing treatment is carried out, the processing time is 30-40min.
(5) the vulcanization plastic part of step (4) is dried, packed to get finished product.
2. the preparation method of automotive oil tank composite plastics material according to claim 1, which is characterized in that the step
(1) dispersing agent in is the mixture of atoleine, magnesium stearate, polyethylene glycol, mass ratio 2:1:1.
3. the preparation method of automotive oil tank composite plastics material according to claim 1, which is characterized in that the step
(1) mesh size of crossing in is 300 mesh.
4. the preparation method of automotive oil tank composite plastics material according to claim 1, which is characterized in that the step
(2) coupling agent in is selected from vinyltriethoxysilane, 3- glycidyl ether oxypropyltrimethoxysilane, γ-ammonia third
One or more of base trimethoxy silane, γ-methacryloxypropyl trimethoxy silane.
5. the preparation method of automotive oil tank composite plastics material according to claim 1, which is characterized in that the step
(2) curing agent in diethylenetriamine, hexa, tert-butyl peroxy base ethane, diamino diphenyl sulfone one
Kind is several.
6. the preparation method of automotive oil tank composite plastics material according to claim 1, which is characterized in that the step
(2) inert gas in is nitrogen, gas pressure intensity 2-5MPa.
7. the preparation method of automotive oil tank composite plastics material according to claim 1, which is characterized in that the step
(3) injecting condition in is that nozzle temperature is 280-320 DEG C, and the temperature in an area and 2nd area is 280-320 DEG C, 3rd area and 4th area
Temperature is 270-275 DEG C, and the temperature in 5th area and 6th area is 270-275 DEG C, and the mould temperature of injection mold is 90-320 DEG C, injection pressure
100-150MPa, injection speed 220-300mm/s.
8. the preparation method of automotive oil tank composite plastics material according to claim 1, which is characterized in that the step
(5) drying in is that room temperature is protected from light drying.
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