CN106317668B - A kind of acrylate resin composition and preparation method thereof of high petrol-resistance - Google Patents

A kind of acrylate resin composition and preparation method thereof of high petrol-resistance Download PDF

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CN106317668B
CN106317668B CN201610693204.7A CN201610693204A CN106317668B CN 106317668 B CN106317668 B CN 106317668B CN 201610693204 A CN201610693204 A CN 201610693204A CN 106317668 B CN106317668 B CN 106317668B
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parts
resin
acrylate
resistance
pvdf
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CN106317668A (en
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魏绪英
周霆
罗明华
辛敏琦
辛敏强
洪浩
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GUANGDONG KUMBO SUNNY POLYMER MATERIAL CO Ltd
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GUANGDONG KUMBO SUNNY POLYMER MATERIAL CO Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02Homopolymers or copolymers of hydrocarbons
    • C08L25/04Homopolymers or copolymers of styrene
    • C08L25/08Copolymers of styrene
    • C08L25/12Copolymers of styrene with unsaturated nitriles
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a kind of acrylate resin compositions of high petrol-resistance, in parts by weight, comprising: 30-50 parts of esters of acrylic acid rubber powder;50-70 parts of SAN resin;2-30 parts of PVDF resin;1-5 parts of compatilizer;5-10 parts of heat-resistant agent;0.1-1 parts of antioxidant;0.1-1 parts and weather resisting agent 0.1-1 parts of lubricant, acrylate resin composition disclosed by the invention, by the way that PVDF resin is added, and PVDF grafted acrylate polymer is utilized as compatilizer, so as to improve the structure and phase of ASA resin, and then the gasoline-resistant performance of ASA resin can be significantly improved, so that product obtains better gasoline-resistant performance effect;Preparation method of the invention, easy to operate, raw material is easy to get, low in cost, and process controllability is strong, is suitble to the production market demand of modified resin.

Description

A kind of acrylate resin composition and preparation method thereof of high petrol-resistance
Technical field
The present invention relates to a kind of technical field of modified resin more particularly to a kind of acrylates of high petrol-resistance Composition and preparation method thereof.
Background technique
Acrylonitrile-acrylate-styrene (ASA) resin is compared to conventional acrylonitrile-butadiene-styrene copolymer (ABS) resin, by introducing not double bond containing butyl acrylate rubber instead of butadiene rubber, so that only wavelength is small The influence of aging can be just played to it in the light of 300nm, weather-proof opposite ABS resin has the promotion of essence.In order to reduce cost, The dyeing product of ASA gradually substitutes spray painting ABS and directly uses outdoors.At present have been widely used for building materials, automobile exterior trimming parts, The fields such as electric and electronic engineering exterior trimming parts, outdoor goods and sports equipment.
Body of a motor car and plastic part are possible to that gasoline can be touched, so many plastic parts on automobile can all have resistance to gasoline Requirement, such as grid, column, door handle, rearview mirror, bumper, and ASA resin main application site on automobile is lattice The exterior trimming parts such as grid, column, rearview mirror, so also having corresponding resistance to gasoline requirement.When general ASA resin is directly molded use Gasoline-resistant performance is poor, it is difficult to meet the demand of the main engine plants required to gasoline-resistant performance.Therefore, how research improves ASA The petrol-resistance of resin important meaning with reality.
Chinese patent CN201010265169.1 discloses acrylate resin composition and its preparation of a kind of high durable Fluoropolymer, silicon rubber polymer, methylmethacrylate polymer are made into weatherable master batch, for improving by method The weatherability of product, but do not solve the problems, such as that its petrol-resistance is poor.
Summary of the invention
It is an object of the invention to aiming at the deficiencies in the prior art, provide a kind of acrylate of high petrol-resistance Resin combination and preparation method thereof, preparation process is easy, low production cost, other property of the prepared ASA resin come out Under the premise of capable of being guaranteed, its petrol-resistance is significantly improved.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of acrylate resin composition of high petrol-resistance, in parts by weight, comprising: esters of acrylic acid rubber 30-50 parts of powder;50-70 parts of SAN resin;2-30 parts of PVDF resin;1-5 parts of compatilizer;5-10 parts of heat-resistant agent;Antioxidant 0.1-1 Part;0.1-1 parts and weather resisting agent 0.1-1 parts of lubricant.
In the prior art, ASA resin has good weatherability and chemical-resistant, but is directed to its petrol-resistance There is also deficiency, acrylate resin compositions of the invention (being also known as ASA resin) to pass through addition for the performance of this respect PVDF resin, and PVDF grafted acrylate polymer is added as compatilizer, so as to improve the structure and phase of ASA resin State, and then the gasoline-resistant performance of ASA resin can be significantly improved.
It further explains, the esters of acrylic acid rubber powder is connecing for acrylic rubber and styrene and acrylonitrile Graft copolymer, the acrylic rubber include the one or more of methyl acrylate, butyl acrylate and acrylic acid isooctyl, Its average grain diameter is 100-900nm.
Esters of acrylic acid rubber powder is ASA rubber powder, which is the ASA resin with high rubber content, and internal layer is third Olefin(e) acid rubber, outer layer are the styrene acrylonitrile copolymers by grafting, due to the double bond similar without containing ABS, so having Extraordinary weatherability, UV resistant and shock resistance.Because ASA rubber powder as acrylate resin composition it is main at Point, be it is relatively conventional, explanation is not developed in details here.
It further explains, homopolymerization or the copolymer that the PVDF resin is PVDF, weight average molecular weight 1W-100W. PVDF resin is that coating PVDF meltability fluorocarbon resin, the PVD resin as made of vinylidene (VDF) homopolymerization have both fluorine The characteristic of resin and resins for universal use, except with good chemical corrosion resistance heat-resisting quantity, oxidative resistance, weatherability, resistance to ray Outside radiance, also there are the properties such as piezoelectricity, dielectricity, pyroelectricity, be added in acrylate resin composition, can show Write the performances such as toughness, the weatherability for improving the composition.
It further explains, the compatilizer is PVDF grafted acrylate quasi polymer.The acrylate includes The one or more of methyl acrylate, ethyl acrylate, butyl acrylate or acrylic acid isooctyl.
PVDF grafted acrylate quasi polymer is to pass through described in chemical bonds on macromolecular chain on PVDF resin Branch or functional side group appropriate are copolymerized into polymer on acrylate, such as the compatilizer is PVDF-g- acrylate Polymer.The acrylate polymer one end and PVDF resin compatible of the compatilizer grafting are preferable, the other end and ASA tree Lipid phase capacitive is preferable, can effectively improve the structure of ASA resin boundary layer, reduce the size of dispersed phase, thus guaranteeing object Under the premise of property, the gasoline-resistant performance of ASA resin is improved.
It further explains, the SAN resin is the copolymer of acrylonitrile and styrene, and SAN resin is styrene third Alkene nitrile is a kind of colorless and transparent, polypropylene-base engineering plastics of mechanical strength with higher.In acrylate resin composition The impact strength of the middle molecular weight for improving SAN resin, ASA resin improves, mobility decline;The SAN for selecting acrylonitrile content high Blending, the tensile strength of ASA resin, impact strength and melt strength are also opposite to be increased.
It further explains, the heat-resistant agent is ɑ-methyl styrene, phenylethylene/maleic anhydride copolymer or benzene second One of alkene/N-phenylmaleimide copolymer.The glass transition temperature of above-mentioned α-methylstyrene is 130~150 DEG C; The glass transition temperature of the phenylethylene/maleic anhydride copolymer is 130~150 DEG C;The styrene/N- phenyl maleic acid The glass transition temperature of imine copolymer is 140 DEG C~170 DEG C.Acrylate tree is added as heat-resistant agent using a kind of above-mentioned substance In oil/fat composition, the heat resisting temperature of ASA resin can be significantly improved, these substances are adding ingredient well known in the art, Performance is without burdensome explanation.
It further explains, the antioxidant is one of hindered phenol compound and bi-ester of phosphite or two Kind.Above-mentioned antioxidant can prevent or hinder polymer oxidation reaction, can capture living radical and generate nonactive group, from And make to aoxidize chain reaction termination, the use of antioxidant as a result, can delay the oxidation process of high molecular material, thus can Processing is gone on smoothly, its service life is extended.The antioxidant can mitigate ASA resin during high-temperature mixing to a certain extent Xanthochromia, wherein hindered phenol compound and bi-ester of phosphite are most obvious to the xanthochromia improvement of ASA resin.
It further explains, the lubricant is silicone oil, White Mineral Oil, fatty acid amide, stearate, paraffin, poly- second One or more of alkene wax or ethylene bis stearamide;Above-mentioned substance has the effect of lubrication, these substances are relatively conventional, it Performance effect and select explanation is not developed in details here.
It further explains, the weather resisting agent is the mixture of ultraviolet absorber and hindered amine.Ultraviolet absorber can be strong Ultraviolet light is absorbed strongly, avoids polymer material that photooxidation reaction occurs and plays light stabilization;Hindered amine is that one kind has The organic amine compound of steric restriction.Photooxidation droping of the hindered amine to high polymer (see high-molecular compound) and organic compound Reaction (see high-molecular optical degradation) has good inhibitory effect, is the light stabilizer of a kind of function admirable;Both mixing can be high Effect ground absorbs ultraviolet light, reduces and reacts the photooxidation droping of high polymer, hence it is evident that improves the weather resistance of ASA resin.
It further explains, using a kind of preparation method of the acrylate resin composition of above-mentioned high petrol-resistance, Include the following steps:
(1) by esters of acrylic acid rubber powder, SAN resin, PVDF resin, compatilizer, heat-resistant agent, antioxidant, lubricant and Weather resisting agent is added high-speed mixer and is stirred;
(2) double screw extruder extruding pelletization is added in the mixture of step (1).
Require according to technique, concrete operations in step: the mixing time is 5-30min, the temperature of double screw extruder It is 230-260 DEG C, screw slenderness ratio 40-50, screw speed 200-400rpm;Institute is weighed by the ratio of score by weight State each component raw material of acrylate resin composition.
Since the compatibility between PVDF and ASA resin is poor, it is directly added into the performance that can be substantially reduced ASA resin, institute Be used as compatilizer by introducing PVDF-g- acrylate polymer using the present invention, the compatilizer one end and PVDF compatibility compared with Good, the other end and ASA resin compatibility are preferable, can effectively improve the interface structure of ASA resin, reduce the ruler of dispersed phase It is very little, to improve the gasoline-resistant performance of ASA resin under the premise of guaranteeing physical property, it is suitble to the production market demand of modified resin.
The preparation method of ASA resin of the invention is just direct plungeed into double screw extruder after can mixing raw material and is prepared, Operating method is simple, low in cost, and process controllability is strong, can produce the acrylate combination of above-mentioned high petrol-resistance Object.
Specific embodiment
The present invention program is described in detail below by some specific embodiments.Those skilled in the art should manage Solution, it is following to be embodied as preferred embodiment, only the present invention program is explained, and wherein might have to known skill The appropriate omission of art, those skilled in the art should understand the present invention in conjunction with the explanation of well-known technique and embodiment.
A kind of acrylate resin composition of high petrol-resistance, in parts by weight, comprising: esters of acrylic acid rubber 30-50 parts of powder;50-70 parts of SAN resin;2-30 parts of PVDF resin;1-5 parts of compatilizer;5-10 parts of heat-resistant agent;Antioxidant 0.1-1 Part;0.1-1 parts and weather resisting agent 0.1-1 parts of lubricant.
Acrylate resin composition component of the present invention directly affects the performance of the various aspects of acrylate, component Middle compatilizer, heat-resistant agent, PVDF resin, antioxidant, lubricant, weather resisting agent and SAN resin, which are able to achieve acrylate, to be had Good weatherability, chemical-resistant, mechanical performance, thermal stability and environmental stress crack resistance energy, are widely used in outdoor dress The fields such as decorations, automobile, daily necessities and outdoor sports equipment, but the component key is poly- by being added to PVDF grafted acrylate Object is closed as compatilizer, improves the interface structure of ASA resin, improves the gasoline-resistant performance of ASA resin.
It further explains, the esters of acrylic acid rubber powder is connecing for acrylic rubber and styrene and acrylonitrile Graft copolymer, the acrylic rubber include the one or more of methyl acrylate, butyl acrylate and acrylic acid isooctyl, Its average grain diameter is 100-900nm.
Esters of acrylic acid rubber powder is ASA rubber powder, which is the ASA resin with high rubber content, and internal layer is third Olefin(e) acid rubber, outer layer are the styrene acrylonitrile copolymers by grafting, due to the double bond similar without containing ABS, so having Extraordinary weatherability, UV resistant and shock resistance.Because ASA rubber powder as acrylate resin composition it is main at Point, be it is relatively conventional, explanation is not developed in details here.
It further explains, homopolymerization or the copolymer that the PVDF resin is PVDF, weight average molecular weight 1W-100W. PVDF resin is that coating PVDF meltability fluorocarbon resin, the PVD resin as made of vinylidene (VDF) homopolymerization have both fluorine The characteristic of resin and resins for universal use, except with good chemical corrosion resistance heat-resisting quantity, oxidative resistance, weatherability, resistance to ray Outside radiance, also there are the properties such as piezoelectricity, dielectricity, pyroelectricity, be added in acrylate resin composition, can show Write the performances such as toughness, the weatherability for improving the composition.
It further explains, the compatilizer is PVDF grafted acrylate quasi polymer.The acrylate includes The one or more of methyl acrylate, ethyl acrylate, butyl acrylate or acrylic acid isooctyl, by weight score calculate, institute The content for stating acrylate is 2%-10%.
PVDF grafted acrylate quasi polymer is to pass through described in chemical bonds on macromolecular chain on PVDF resin Branch or functional side group appropriate are copolymerized into polymer on acrylate, such as the compatilizer is PVDF-g- acrylate Polymer.The acrylate polymer one end and PVDF resin compatible of the compatilizer grafting are preferable, the other end and ASA tree Lipid phase capacitive is preferable, can effectively improve the structure of ASA resin boundary layer, reduce the size of dispersed phase, thus guaranteeing object Under the premise of property, the gasoline-resistant performance of ASA resin is improved.
It further explains, the SAN resin is the copolymer of acrylonitrile and styrene, the Weight-average molecular of SAN resin Amount is 80,000-15 ten thousand, and the content of acrylonitrile is 18%-32%.SAN resin is styrene-acrylonitrile, is that one kind is colorless and transparent, The polypropylene-base engineering plastics of mechanical strength with higher.Because SAN resin as acrylate resin composition it is main at Point, be it is relatively conventional, do not do here burden expansion explanation.
The molecular weight of SAN resin is improved in acrylate resin composition, the impact strength of ASA resin improves, flowing Property decline;Select the SAN blending that acrylonitrile content is high, the tensile strength of ASA resin, impact strength and melt strength also opposite increasing It is high.
It further explains, the heat-resistant agent is ɑ-methyl styrene, phenylethylene/maleic anhydride copolymer or benzene second One of alkene/N-phenylmaleimide copolymer.
The glass transition temperature of above-mentioned α-methylstyrene is 130~150 DEG C;The phenylethylene/maleic anhydride copolymerization The glass transition temperature of object is 130~150 DEG C;The styrene/N- phenyl maleic acid imine copolymer glass transition temperature is 140 DEG C~170 DEG C.It is added in acrylate resin composition using a kind of above-mentioned substance as heat-resistant agent, ASA can be significantly improved The heat resisting temperature of resin, these substances are adding ingredient well known in the art, and performance is without burdensome explanation.
It further explains, the antioxidant is one of hindered phenol compound and bi-ester of phosphite or two Kind.Above-mentioned antioxidant can prevent or hinder polymer oxidation reaction, can capture living radical and generate nonactive group, from And make to aoxidize chain reaction termination, the use of antioxidant as a result, can delay the oxidation process of high molecular material, thus can Processing is gone on smoothly, its service life is extended.
The antioxidant can mitigate xanthochromia of ASA resin during high-temperature mixing to a certain extent, wherein being obstructed Phenolic compounds and bi-ester of phosphite are most obvious to the xanthochromia improvement of ASA resin.
It further explains, the lubricant is silicone oil, White Mineral Oil, fatty acid amide, stearate, paraffin, poly- second One or more of alkene wax or ethylene bis stearamide;Above-mentioned substance has the effect of lubrication, these substances are relatively conventional, it Performance effect and select explanation is not developed in details here.
It further explains, the weather resisting agent is the mixture of ultraviolet absorber and hindered amine.Ultraviolet absorber can be strong Ultraviolet light is absorbed strongly, avoids polymer material that photooxidation reaction occurs and plays light stabilization;Hindered amine is that one kind has The organic amine compound of steric restriction.Photooxidation droping of the hindered amine to high polymer (see high-molecular compound) and organic compound Reaction (see high-molecular optical degradation) has good inhibitory effect, is the light stabilizer of a kind of function admirable.
Preferably, both mixing can efficiently absorb ultraviolet light, reduce and react the photooxidation droping of high polymer, hence it is evident that Improve the weather resistance of ASA resin.
It further explains, using a kind of preparation method of the acrylate resin composition of above-mentioned high petrol-resistance, Include the following steps:
(1) by esters of acrylic acid rubber powder, SAN resin, PVDF resin, compatilizer, heat-resistant agent and antioxidant, lubricant and Weather resisting agent is added high-speed mixer and is stirred;
(2) double screw extruder extruding pelletization is added in the mixture of step (1).
Require according to technique, concrete operations in step: the mixing time is 5-30min, the temperature of double screw extruder It is 230-260 DEG C, screw slenderness ratio 40-50, screw speed 200-400rpm.These are content known in this field, no It additionally repeats again.
The present invention is described in detail combined with specific embodiments below.
Embodiment 1:
Weigh 35 parts of esters of acrylic acid rubber powder, 65 parts of SAN resin, 10 parts of PVDF resin, 1 part of compatilizer, heat-resistant agent 8 Part, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of weather resisting agent are put into discharge after stirring 5-30min in high-speed mixer and obtain Mixture is sent to double screw extruder extruding pelletization through metering device, and the temperature of double screw extruder is 230-250 DEG C, spiral shell Bar draw ratio be 40-50, screw speed 200-400rpm, under the conveying, shearing and mixing of the screw rod, material melting, it is compound, Again through extrusion, tie rod, cooling, pelletizing step to get arrive acrylate resin composition.
Embodiment 2:
Weigh 35 parts of esters of acrylic acid rubber powder, 65 parts of SAN resin, 10 parts of PVDF resin, 2 parts of compatilizer, heat-resistant agent 8 After part, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of weather resisting agent, product is made as described in Example 1.
Embodiment 3:
Weigh 40 parts of esters of acrylic acid rubber powder, 60 parts of SAN resin, 15 parts of PVDF resin, 2 parts of compatilizer, heat-resistant agent 8 After part, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of weather resisting agent, product is made as described in Example 1.
Embodiment 4:
Weigh 40 parts of esters of acrylic acid rubber powder, 60 parts of SAN resin, 15 parts of PVDF resin, 3 parts of compatilizer, heat-resistant agent 8 After part, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of weather resisting agent, product is made as described in Example 1.
Embodiment 5:
Weigh 40 parts of esters of acrylic acid rubber powder, 60 parts of SAN resin, 20 parts of PVDF resin, 3 parts of compatilizer, heat-resistant agent 8 After part, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of weather resisting agent, product is made as described in Example 1.
Embodiment 6:
Weigh 45 parts of esters of acrylic acid rubber powder, 55 parts of SAN resin, 25 parts of PVDF resin, 3 parts of compatilizer, heat-resistant agent 8 After part, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of weather resisting agent, product is made as described in Example 1.
Comparative example 1:
Weigh 40 parts of esters of acrylic acid rubber powder, 60 parts of SAN resin, 8 parts of heat-resistant agent, 0.5 part of antioxidant, lubricant 0.5 Part and 0.5 part of weather resisting agent after, as described in Example 1 be made product.
Note: the product is without addition PVDF resin and PVDF grafted acrylate quasi polymer.
Comparative example 2: 40 parts of esters of acrylic acid rubber powder, 60 parts of SAN resin, 15 parts of PVDF resin, heat-resistant agent 8 are weighed After part, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of weather resisting agent, product is made as described in Example 1.
Note: the product is without addition PVDF grafted acrylate quasi polymer.
Raw material used in each embodiment and comparative example are as follows:
Esters of acrylic acid rubber powder: the ASA resin high glue powder (XC500A) of South Korea's brocade lake petrochemical iy produced;
SAN resin: the AS resin (SAN128) of odd beauty;
PVDF resin: weight average molecular weight is 100,000;
Compatilizer: PVDF grafted acrylate polymer;
Heat-resistant agent: styrene/N-phenylmaleimide copolymer;
Antioxidant: Ciba:TG-1076;
Lubricant: commercially available EBS (ethylene bis stearic acid amide);
Weather resisting agent: commercially available UVP and 770, ratio 1:1.
Quantitative measurement is carried out for the acrylate resin composition of each embodiment and comparative example preparation, is tested respectively Its IZOD notch impact strength and gasoline-resistant performance.
(1) IZOD notch impact strength is tested by the impact batten that iso standard is molded into standard, as shown in table 1.
1 physical property of table and test method correspond to table
Physical property Test method
IZOD notch impact strength (3.2mm) ISO 180
(2) test method of gasoline-resistant performance is that the prepared ASA resin that comes out is molded into plastic-like plate at 240 DEG C (140mm*90mm*3mm), is soaked in 93# gasoline, pulls viewing template appearance after 30min out, compares by gasoline corrosion situation.
The physical property of each embodiment of above-mentioned test and comparative example is shown in such as the following table 2.
The physical property table of 2 embodiment of table and comparative example
As seen from the results in Table 2:
(1) compatible by Examples 1 and 2, the comparison of embodiment 2 and 3 as can be seen that in the timing of other components additive amount one The additive amount of agent is bigger, and the IZOD notch impact strength of ASA resin is bigger, and appearance is presented without whitening, and flawless, petrol-resistance is got over It is good;
(2) one timing of additive amount that can be seen that in certain components and compatilizer, PVDF tree are compared by embodiment 4 and 5 The amount of rouge is bigger, and the IZOD notch impact strength of ASA resin is bigger, and appearance is presented nothing and whitens, flawless, and petrol-resistance is better;
(3) by comparative example 1 and implement 4, comparative example 1 and 2 comparison as can be seen that do not add PVDF resin and The IZOD notch impact strength of compatilizer, ASA resin becomes smaller, and appearance presentation is whitened, severe crack, and petrol-resistance is poor;Addition PVDF resin but do not add compatilizer, the IZOD notch impact strength change of ASA resin is small, and appearance presentation is whitened, and seriously splits Line, petrol-resistance are worse.
Toughness can be seriously affected in conclusion adding PVDF resin in ASA resin and not adding compatilizer, gasoline-resistant performance does not have Having obviously is improved, and after addition PVDF resin and compatilizer, ASA resin is resistance under the premise of not influencing other performances Gasoline performance is improved significantly.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention. Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention Within protection scope.

Claims (7)

1. a kind of acrylate resin composition of high petrol-resistance, which is characterized in that in parts by weight, comprising: propylene 30-50 parts of esters of gallic acid rubber powder;50-70 parts of SAN resin;2-30 parts of PVDF resin;1-5 parts of compatilizer;5-10 parts of heat-resistant agent;It is anti- 0.1-1 parts of oxygen agent;0.1-1 parts and weather resisting agent 0.1-1 parts of lubricant;
The esters of acrylic acid rubber powder is the graft copolymer of acrylic rubber and styrene and acrylonitrile, the propylene Acid esters rubber includes the one or more of methyl acrylate, butyl acrylate and acrylic acid isooctyl;
Homopolymerization or the copolymer that the PVDF resin is PVDF;
The compatilizer is PVDF grafted acrylate quasi polymer, and the acrylate includes methyl acrylate, acrylic acid The one or more of ethyl ester, butyl acrylate or acrylic acid isooctyl.
2. a kind of acrylate resin composition of high petrol-resistance according to claim 1, which is characterized in that described SAN resin is the copolymer of acrylonitrile and styrene.
3. a kind of acrylate resin composition of high petrol-resistance according to claim 1, which is characterized in that described Heat-resistant agent is in ɑ-methyl styrene, phenylethylene/maleic anhydride copolymer or styrene/N-phenylmaleimide copolymer It is a kind of.
4. a kind of acrylate resin composition of high petrol-resistance according to claim 1, which is characterized in that described Antioxidant is one or both of hindered phenol compound and bi-ester of phosphite.
5. a kind of acrylate resin composition of high petrol-resistance according to claim 1, which is characterized in that described Lubricant is one or more of silicone oil, White Mineral Oil, fatty acid amide, stearate, paraffin, polyethylene wax.
6. a kind of acrylate resin composition of high petrol-resistance according to claim 1, which is characterized in that described Weather resisting agent is the mixture of ultraviolet absorber and hindered amine.
7. a kind of system of the acrylate resin composition using a kind of high petrol-resistance as claimed in any one of claims 1 to 6 Preparation Method, which comprises the steps of:
(1) by esters of acrylic acid rubber powder, SAN resin, PVDF resin, compatilizer, heat-resistant agent, antioxidant, lubricant and weather-proof Agent is added high-speed mixer and is stirred;
(2) double screw extruder extruding pelletization is added in the mixture of step (1).
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