CN108219419A - High-weatherability PC/ASA alloy materials and preparation method - Google Patents
High-weatherability PC/ASA alloy materials and preparation method Download PDFInfo
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- 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
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention belongs to polymer modifications and processing technique field, are related to a kind of high-weatherability PC/ASA alloy materials and preparation method.The present invention includes polymer and auxiliary agent, and the polymer includes PC and ASA, and the auxiliary agent includes UV absorbers, compatilizer and antioxidant, and the PC/ASA alloy materials are made in polymer and auxiliary agent blending.The present invention has good comprehensive mechanical property and processability by alloy material made from raw material of PC and ASA, the UV absorbers of addition can absorb the ultraviolet light in sunlight when alloy material is by sun light direct beam, improve the weatherability of alloy material, allow alloy material for a long time in outdoor application, and preparation process provided by the present invention is easy to operate, and continuity is strong, has higher production efficiency, the mixed effect between each component can be improved simultaneously, ensure the homogeneity of product.
Description
Technical field
The invention belongs to polymer modifications and processing technique field, are related to a kind of high-weatherability PC/ASA alloy materials
And preparation method.
Background technology
Makrolon (PC) is amorphous polymer, is had excellent performance, and has tough and firm mechanical property, and outstanding feature is
Impact resistance and creep resistance are high, good stability of the dimension, while have good cold resistance, unnotched impact strength Gao Gong
It ranks first in engineering plastics, glass transition temperature is high, can be used continuously in the range of 120-130 DEG C, electrical insulating property and size
It has good stability；However PC resin equally exists shortcomings, and thin wall parts are difficult into such as poor fluidity, easily occurring should
Power cracks, and resistance to dissolubility and wearability are poor, and notch impact strength is low etc., therefore to the plastic products for meeting practical application are made,
Carrying out performance improvement to it is necessary.
ASA is acrylonitrile-acrylate-styrene terpolymer, it integrates the impact resistance, weather-proof of acrylate
Property, the chemical-resistant of acrylonitrile, high rigidity, the excellent processability of styrene are integrated, and good mechanical property has excellent weather resistance,
Therefore ASA resin and PC resin are blended, then certain performances are specifically improved by the addition of auxiliary agent, one can be obtained
Kind function admirable, with strong points, the good alloy material of practicability.
Due to having such good expection, old friends change alloy material made from PC resin and ASA resin blending
Many researchs have also been made in property.For example, Chinese invention patent discloses the preparation method of a kind of weather resistant PC and ASA copolymer alloys
[application number：200810065912.1], which provides a kind of component of weatherability PC/ASA copolymers, but can see
Going out, the PC/ASA copolymers which is provided are not good enough in tensile strength, bending strength and notch impact strength etc. performance,
This just greatly limits the application range of the copolymer.
Invention content
Regarding the issue above, the present invention provides a kind of high-weatherability PC/ASA alloy materials, of the invention is another
One purpose is to provide a kind of preparation method of high-weatherability PC/ASA alloy materials.In order to achieve the above objectives, present invention employs
Following technical proposal：
A kind of high-weatherability PC/ASA alloy materials, including polymer and auxiliary agent, the polymer includes PC and ASA, institute
It states auxiliary agent and includes UV absorbers, compatilizer and antioxidant, the PC/ASA alloy materials are made in polymer and auxiliary agent blending.
In above-mentioned high-weatherability PC/ASA alloy materials, the polymer is respectively 60-80 parts including mass fraction
PC and 20-40 parts of ASA；The auxiliary agent include mass fraction be respectively 1-5 parts UV absorbers, 5-10 parts compatible
Agent and 0.05-0.5 parts of antioxidant.
In above-mentioned high-weatherability PC/ASA alloy materials, the polymer includes the PC that mass fraction is respectively 70 parts
With 30 parts of ASA；The auxiliary agent includes UV absorbers, 8 parts of compatilizer and 0.3 part that mass fraction is respectively 3 parts
Antioxidant.
In above-mentioned high-weatherability PC/ASA alloy materials, the UV absorbers are septichen phenyl ester
And/or 2,4-DihydroxyBenzophenone.
In above-mentioned high-weatherability PC/ASA alloy materials, the antioxidant includes primary antioxidant and auxiliary antioxidant；
The primary antioxidant includes antioxidant 1010 and/or antioxidant 1076, and the auxiliary antioxidant includes irgasfos 168.
In above-mentioned high-weatherability PC/ASA alloy materials, the compatilizer is copolymer-maleic anhydride.
In above-mentioned high-weatherability PC/ASA alloy materials, the auxiliary agent further includes glass fibre, the glass fibre
Mass fraction be 5-15 parts.
In above-mentioned high-weatherability PC/ASA alloy materials, the auxiliary agent further includes fire retardant, the matter of the fire retardant
It is 1-5 parts to measure number.
A kind of preparation method of high-weatherability PC/ASA alloy materials, includes the following steps：
Step 1：ASA crushed using ball mill to obtain ASA powder；
Step 2：If taking PC the and ASA powder of dry weight, PC is placed in 100-120 DEG C of forced air drying in air dry oven
ASA powder is placed in 80-90 DEG C of vacuum drying 2-6h in vacuum drying chamber, obtains dried PC and ASA powder by 2-8h；
Step 3：Dried PC 60-80 parts of meltings are taken, take dried 20-40 parts of ASA powder, UV absorbers
1-5 parts of 1-5 parts, 5-10 parts of compatilizer, 0.05-0.5 parts of antioxidant, 5-15 parts of glass fibre and fire retardant are added in twin-screw and are squeezed
Go out in machine, add the PC after melting, under an increased pressure 200-240 DEG C of heating melting mixing, extruding pelletization after 1-2h squeezes out
Temperature is 220-260 DEG C, screw speed 250-350r/min, squeezes out pelletizing after batten cools down in air and obtains the PC/ASA
Alloy material.
In the preparation method of above-mentioned high-weatherability PC/ASA alloy materials, the pressure to pressurize in step 3 is 5-10
Atmospheric pressure.
Compared with prior art, the advantage of the invention is that：
1st, the present invention has good comprehensive mechanical property and processability by alloy material made from raw material of PC and ASA,
The UV absorbers of addition can absorb the ultraviolet light in sunlight when alloy material is by sun light direct beam, improve alloy material
The weatherability of material makes the application range of alloy material extend to open air.
2nd, preparation process provided by the present invention is easy to operate, and continuity is strong, has higher production efficiency, while can improve
Mixed effect between each component ensures the homogeneity of product.
3rd, the present invention is also added with several different auxiliary agents, pointedly improves this alloy material in inoxidizability, anti-
Impact and the performance of bending property, anti-flammability etc., make this alloy material can be widely applied to automobile, motorcycle, household electric
The fields such as sub- electric appliance and outdoor building material.
Specific embodiment
Reagent used in following embodiments unless otherwise specified, can be commercially available from routine biochemistry reagent shop.
Embodiment 1
The present embodiment provides a kind of PC/ASA alloy materials components, and specifically, PC/ASA alloy materials component includes matter
Amount number is respectively 80 parts of PC, 20 parts of ASA, 5 parts of UV absorbers, 10 parts of compatilizer and 0.05 part of antioxygen
Agent.
Wherein UV absorbers are septichen phenyl ester, and compatilizer is copolymer-maleic anhydride, and antioxidant includes
Primary antioxidant and auxiliary antioxidant, primary antioxidant are that mass fraction is 0.03 part of antioxidant 1010, and auxiliary antioxidant is mass parts
Number is 0.02 part of irgasfos 168.
ASA resin, is acrylonitrile-acrylate-styrene terpolymer, also known as AAS resin, the existing production in China
Mode is mainly using emulsion polymerization, i.e., using butyl acrylate as raw material, lauryl sodium sulfate is emulsifier, and potassium peroxydisulfate is
Initiator, in polymeric kettle carrying out emulsion polymerization is made butyl acrylate rubber lotion, then add in acrylonitrile and styrene into
Row is graft-polymerized, and graft rubber lotion is made, in another polymeric kettle, under the action of initiator benzoyl peroxide, makes benzene
Ethylene and acrylonitrile carry out emulsion polymerization, are made styrene-acrylonitrile copolymer lotion, then by graft rubber lotion obtained and
Styrene-acrylonitrile copolymer lotion, which is mixed, is made ASA resin, and ASA resin used in the present invention is in preparation process
Difference be that in emulsion polymerization process, the dosage of emulsifier and initiator lacks 10%-30%, and prolong compared with normal usage
The reaction time of long 30%-50%, tests prove that, ASA resin obtained in this way has preferable with alloy material made from PC
Shock resistance, this may be because, reaction rate can be slowed down by the dosage for reducing emulsifier and initiator, it is obtained
The grain size of ASA resin is larger, and the peptizaiton of preferable power can be provided when being impacted, so as to preferable impact resistance
Energy.
Septichen phenyl ester (CAS：118-55-8), it is a kind of organic compound, ultraviolet light can be absorbed, it can conduct
UV absorbers, and it is good with resin compatible.
Alloy material made from two kinds of direct melt blendings of high molecular material, compatibility is often barely satisfactory, certain
Under the conditions of even the phenomenon that will appear layering, compatilizer is also known as bulking agent, refers to, by means of intermolecular bonding force, promote not phase
The two kinds of polymer of appearance is incorporated in one, and then obtains the auxiliary agent of stable blend.After adding compatilizer, it can play (1)
The surface tension between two kinds of polymer is reduced, promotes the dispersion of phase, prevents the parallel connection of dispersed phase；(2) increase the thickness of boundary layer
Degree increases alternate cohesive force, improves thermal stability, increases stress transfer efficiency；(3) grain size of dispersed phase is reduced, is formed steady
Determine phase structure, the effect of the performance of stable homogeneous is provided for material.Since the polarity of maleic anhydride is stronger, thus high molecular material with
The copolymer of maleic anhydride can often become and promote polar material and non-polar material cementability and the bridge of compatibility, such as
SMA resins or using POE as the maleic anhydride graft copolymer of matrix resin.
Antioxidant is broadly divided into two major class, and one kind is primary antioxidant, mainly Hinered phenols antioxidant, is moulded by capturing
The free radical that generates in material degradation process and long duration plays antioxidant effect；One kind is auxiliary antioxidant, mainly phosphorous
Esters of gallic acid, monothioester kind antioxidant, generated peroxide of further being degraded by decomposition plastics is so as to reach anti-oxidant
Purpose, it is main that hot-working stability is provided.Primary antioxidant and auxiliary antioxidant are used in conjunction with that synergistic effect can be generated.
Antioxidant 1010 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (CAS：6683-
19-8), polymer material thermal oxidative degradation in the long-term use can be effectively prevented.
Irgasfos 168 is three [2,4- di-tert-butyl-phenyl] phosphite ester (CAS：31570-04-4), can effectively prevent
Thermal degradation during only alloy material is molded on basis, gives polymer additional long-effective protection.
Embodiment 2
The present embodiment provides a kind of PC/ASA alloy materials components, and specifically, PC/ASA alloy materials component includes matter
Amount number is respectively 60 parts of PC, 40 parts of ASA, 1 part of UV absorbers, 5 parts of compatilizer and 0.5 part of antioxidant.
Wherein UV absorbers are 2,4-DihydroxyBenzophenone, and compatilizer is copolymer-maleic anhydride, antioxidant packages
Primary antioxidant and auxiliary antioxidant are included, primary antioxidant is that mass fraction is 0.3 part of antioxidant 1076, and auxiliary antioxidant is mass parts
Number is 0.2 part of irgasfos 168.
2,4-DihydroxyBenzophenone (CAS：131-56-6), it is a kind of light color acicular crystal or white powder, it is maximum to inhale
Receive wave-length coverage 280-340nm.
Antioxidant 1076 is β-positive octadecanol ester (CAS of (3,5- di-tert-butyl-hydroxy phenyl) propionic acid：2082-
79-3), the thermal degradation and oxidative degradation of polymer can effectively be inhibited.
Embodiment 3
The present embodiment provides a kind of PC/ASA alloy materials components, and specifically, PC/ASA alloy materials component includes matter
Amount number is respectively 70 parts of PC, 30 parts of ASA, 3 parts of UV absorbers, 8 parts of compatilizer and 0.3 part of antioxidant.
Wherein UV absorbers are septichen phenyl ester, and compatilizer is copolymer-maleic anhydride, and antioxidant includes
Primary antioxidant and auxiliary antioxidant, it is 0.1 part of antioxidant 1076 and 0.1 part of antioxidant 1010 that primary antioxidant, which is mass fraction,
Auxiliary antioxidant is the irgasfos 168 that mass fraction is 0.1 part.
Embodiment 4
The present embodiment provides a kind of PC/ASA alloy materials, include the PC/ASA alloy materials of embodiment 1-3 any one
Component.
Wherein, PC/ASA alloy materials further include the glass fibre that mass fraction is 5 parts, and glass fibre can engaged in trade
The simple glass fiber of product, length can be several millimeters, such as 2-10mm.
Glass fibre is a kind of inorganic non-metallic material haveing excellent performance, strong, anticorrosive with good insulating, heat resistance
Good, many merits such as mechanical strength height of property, but shortcoming is that property is crisp, and wearability is poor.It is using glass marble or discarded glass as original
What material was manufactured into through techniques such as high temperature melting, wire drawing, doff, woven fabrics, a diameter of several microns of monofilament are micro- to twenties
Rice is equivalent to the 1/20-1/5 of a hairline, is all made of per bundle fiber precursor hundreds of even thousands of monofilament.
Glass fibre is typically used as the reinforcing material in composite material, and glass fibre to the humidifications of plastics very
Significantly, this is because the modulus of glass fibre in itself is very high, and glass fibre is grown along internal body, is expanded by external force during external force
It dissipates and is improved with entire material, shock resistance and bending property.
Specifically, when composite material is acted on by external force, either cross force or longitudinal force are either drawn
Stretch or extruding force, composite inner can all generate a stress.When being added with glass fibre in composite material, stress
Disperseed well by interface binding power excellent between matrices of composite material phase and glass fibre, make the fiber haveing excellent performance
Most of stress is assumed responsibility for, so as to improve the comprehensive performance of composite material.Has experimental result it can be shown that working as composite material
During by power along glass fibre longitudinal direction, stress concentration is generated at the both ends of glass fibre, and exist around glass fibre should
Power is less than the elliptical region of mean stress, and such glass fibre is reached by reducing the mean stress of matrices of composite material phase
Enhancing effect is arrived；When composite material is by power along glass fibre transverse direction, matrices of composite material is sent out due to the influence of external force
Raw deformation, the modulus of the modular ratio glass fibre of matrix is small, and the two combination is more close, thus glass fibre constrains
Matrix deformation and load is reached on glass fibre, such load is just by matrix and glass fibre shared, due to glass
The rigidity and intensity of fiber are all far above matrix, therefore the addition of glass fibre improves the mechanical property of material.
Embodiment 5
The present embodiment provides a kind of PC/ASA alloy materials, include the PC/ASA alloy materials of embodiment 1-3 any one
Component.
Wherein, PC/ASA alloy materials further include the glass fibre that mass fraction is 15 parts, and glass fibre can be
The simple glass fiber of commercialization, length can be several millimeters, such as 2-10mm.
Embodiment 6
The present embodiment provides a kind of PC/ASA alloy materials, include the PC/ASA alloy materials of embodiment 1-3 any one
Component.
Wherein, PC/ASA alloy materials further include the glass fibre that mass fraction is 10 parts, and glass fibre can be
The simple glass fiber of commercialization, length can be several millimeters, such as 2-10mm.
Embodiment 7
The present embodiment provides a kind of PC/ASA alloy materials, include the PC/ASA alloy materials of embodiment 1-3 any one
Component.
Wherein, PC/ASA alloy materials further include the fire retardant that mass fraction is 1 part, and wherein fire retardant is decabrominated dipheny second
Alkane.
Fire retardant is the analog assistant for inhibiting polymer combustion, they are the V, the VII and III in the periodic table of elements mostly
The compound of race's element, particularly phosphorus, bromine, chlorine, antimony and aluminium compound.Fire retardant is divided to addition type and response type two major class, adds
It is mainly phosphate and containing halophosphate, halogenated hydrocarbons, antimony oxide, aluminium hydroxide etc., easy to use, adaptability to add type fire retardant
By force.The reactive flame retardant actually monomer containing ignition-proof element, common reactive flame retardant, such as the halogenated acid of polyester
Acid anhydride, the tetrabromobisphenol A for epoxy resin and phosphorus-containing polyol for polyurethane etc..
Decabromodiphenylethane (CAS：It is 84852-53-9) a kind of extensive wide spectrum additive flame retardant of use scope, bromine
Content is high, and thermal stability is good, and anti-ultraviolet property is good, exudative low compared with other bromide fire retardants, especially suitable for production electricity
The high-grade material of brain, facsimile machine, telephone set, duplicator, household electrical appliances etc. it is fire-retardant.It is not produced when decabromodiphenylethane thermal cracking or burning
Raw toxic more bromo dibenzo dioxanes and polybrominated dibenzofurans comply fully with Europe about two with its fire-retardant material
The requirement of English regulations is disliked, is not damaged to environment.Decabromodiphenylethane will not generate any cause without any toxicity to biology
Abnormal property, it is without side-effects to aquatic organism such as fish etc., it may be said that meet the requirement of environmental protection.Decabromodiphenylethane phase in the system used
Work as stabilization, can be recycled with its fire-retardant thermoplastic.
Embodiment 8
The present embodiment provides a kind of PC/ASA alloy materials, include the PC/ASA alloy materials of embodiment 1-3 any one
Component.
Wherein, PC/ASA alloy materials further include the fire retardant that mass fraction is 5 parts, and wherein fire retardant is decabrominated dipheny
Ether.
Deca-BDE (CAS：It is 1163-19-5) a kind of high-efficiency broad spectrum additive flame retardant, white or pale yellow powder
Shape solid, fusing point are more than 300 DEG C, and non-corrosive, not soluble in water, ethyl alcohol, acetone, benzene equal solvent are slightly soluble in chlorinated aromatic hydrocarbons, stablize
Property is good, is widely used in rubber, plastics, fiber and other material.
Embodiment 9
The present embodiment provides a kind of PC/ASA alloy materials, include the PC/ASA alloy materials of embodiment 1-3 any one
Component.
Wherein, PC/ASA alloy materials further include the fire retardant that mass fraction is 3 parts, and wherein fire retardant is decabrominated dipheny second
Alkane.
Embodiment 10
The present embodiment provides a kind of preparation methods of PC/ASA alloy materials, specifically, include the following steps：
Step 1：ASA crushed using ball mill to obtain ASA powder；
Step 2：If taking PC the and ASA powder of dry weight, PC is placed in 100 DEG C of forced air drying 2h in air dry oven, it will
ASA powder is placed in 90 DEG C of vacuum drying 6h in vacuum drying chamber, obtains dried PC and ASA powder；
Step 3：Dried PC 60-80 parts of meltings are taken, take dried 20-40 parts of ASA powder, UV absorbers
1-5 parts of 1-5 parts, 5-10 parts of compatilizer, 0.05-0.5 parts of antioxidant, 5-15 parts of glass fibre and fire retardant are added in twin-screw and are squeezed
Go out in machine, add the PC after melting, be forced into the pressure of 5 atmospheric pressures, then be warming up to 200 DEG C of heating melting mixings, 1h
Extruding pelletization afterwards, extrusion temperature are 220 DEG C, screw speed 250r/min, squeeze out pelletizing after batten cools down in air and obtain institute
State PC/ASA alloy materials.
ASA is crushed and the operation of PC meltings can make alloy material each component have preferable mixed effect in mixing, from
And ensure the homogeneity of alloy material.
Since the boiling point of UV absorbers added in is less than the heating melting temperature of double screw extruder, therefore heating
It is appropriate during melting to be pressurizeed, to improve the boiling point of UV absorbers, so as to which the alloy material for ensureing obtained has
Preferable weatherability.
Embodiment 11
The present embodiment provides a kind of preparation methods of PC/ASA alloy materials, specifically, include the following steps：
Step 1：ASA crushed using ball mill to obtain ASA powder；
Step 2：If taking PC the and ASA powder of dry weight, PC is placed in 120 DEG C of forced air drying 8h in air dry oven, it will
ASA powder is placed in 80 DEG C of vacuum drying 2h in vacuum drying chamber, obtains dried PC and ASA powder；
Step 3：Dried PC 60-80 parts of meltings are taken, take dried 20-40 parts of ASA powder, UV absorbers
1-5 parts of 1-5 parts, 5-10 parts of compatilizer, 0.05-0.5 parts of antioxidant, 5-15 parts of glass fibre and fire retardant are added in twin-screw and are squeezed
Go out in machine, add the PC after melting, be forced into the pressure of 10 atmospheric pressures, then be warming up to 240 DEG C of heating melting mixings, 2h
Extruding pelletization afterwards, extrusion temperature are 260 DEG C, screw speed 350r/min, squeeze out pelletizing after batten cools down in air and obtain institute
State PC/ASA alloy materials.
Embodiment 12
The present embodiment provides a kind of preparation methods of PC/ASA alloy materials, specifically, include the following steps：
Step 1：ASA crushed using ball mill to obtain ASA powder；
Step 2：If taking PC the and ASA powder of dry weight, PC is placed in 110 DEG C of forced air drying 5h in air dry oven, it will
ASA powder is placed in 85 DEG C of vacuum drying 4h in vacuum drying chamber, obtains dried PC and ASA powder；
Step 3：Dried PC 60-80 parts of meltings are taken, take dried 20-40 parts of ASA powder, UV absorbers
1-5 parts of 1-5 parts, 5-10 parts of compatilizer, 0.05-0.5 parts of antioxidant, 5-15 parts of glass fibre and fire retardant are added in twin-screw and are squeezed
Go out in machine, add the PC after melting, be forced into the pressure of 8 atmospheric pressures, then be warming up to 220 DEG C of heating melting mixings,
Extruding pelletization after 1.5h, extrusion temperature are 240 DEG C, screw speed 300r/min, squeeze out pelletizing after batten cools down in air
Obtain the PC/ASA alloy materials.
Application examples 1
PC/ASA alloy material components as described in embodiment 1, then add mass fraction be 10 parts glass fibre and
Mass fraction is 3 parts of decabromodiphenylethane, and alloy material 1 is made in the method as described in embodiment 12.
PC/ASA alloy material components as described in embodiment 2, then add mass fraction be 10 parts glass fibre and
Mass fraction is 3 parts of decabromodiphenylethane, and alloy material 2 is made in the method as described in embodiment 12.
PC/ASA alloy material components as described in embodiment 3, then add mass fraction be 10 parts glass fibre and
Mass fraction is 3 parts of decabromodiphenylethane, and alloy material 3 is made in the method as described in embodiment 12.
Respectively to aberration after the notch impact strength of alloy material 1,2 and 3, bending strength, tensile strength, illumination and fire-retardant
Performance is measured, and the results are shown in table below：
Interpretation of result：PC/ASA alloy materials produced by the present invention can be seen that by more than experimental data, have higher
Notch impact strength, bending strength and tensile strength, and superior flame retardant property, the aberration after illumination is smaller, has reached this
Purpose expected from invention.
The XJC-50 simply supported beams punching that notch impact strength detection data is produced from Chengde Shi Quan detecting instruments Co., Ltd
Hit the universal material of testing machine, bending strength and tensile strength detection data from the production of Shanghai Songyuan instrument manufacturing Co., Ltd
Testing machine, the CS-200 precise colorimeters that acetes chinensis data are produced from Hangzhou chromatogram Science and Technology Ltd. after illumination are fire-retardant
UL94 horizontal vertical burning tester of the performance detection data from the production of not Supreme Being's Si combustion technology (China) Co., Ltd.
More than empirical value, by using the instrument, parallel experiment three times is averaged.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of high-weatherability PC/ASA alloy materials, it is characterised in that：Including polymer and auxiliary agent, the polymer includes PC
And ASA, the auxiliary agent include UV absorbers, compatilizer and antioxidant, the PC/ASA is made in polymer and auxiliary agent blending
Alloy material.
2. high-weatherability PC/ASA alloy materials as described in claim 1, it is characterised in that：The polymer includes mass parts
Number is respectively 60-80 parts of PC and 20-40 parts of ASA；The auxiliary agent includes the UV Absorption that mass fraction is respectively 1-5 parts
Agent, 5-10 parts of compatilizer and 0.05-0.5 parts of antioxidant.
3. high-weatherability PC/ASA alloy materials as claimed in claim 2, it is characterised in that：The polymer includes mass parts
Number is respectively 70 parts of PC and 30 part of ASA；The auxiliary agent include mass fraction be respectively 3 parts UV absorbers, 8 parts
Compatilizer and 0.3 part of antioxidant.
4. high-weatherability PC/ASA alloy materials as claimed in claim 2, it is characterised in that：The UV absorbers are neighbour
Phenyl hydroxybenzoate and/or 2,4-DihydroxyBenzophenone.
5. high-weatherability PC/ASA alloy materials as claimed in claim 2, it is characterised in that：The antioxidant includes main antioxygen
Agent and auxiliary antioxidant；The primary antioxidant includes antioxidant 1010 and/or antioxidant 1076, and the auxiliary antioxidant includes anti-
Oxygen agent 168.
6. high-weatherability PC/ASA alloy materials as claimed in claim 2, it is characterised in that：The compatilizer is maleic anhydride
Copolymer.
7. high-weatherability PC/ASA alloy materials as described in claim 1, it is characterised in that：The auxiliary agent further includes glass fibers
Dimension, the mass fraction of the glass fibre is 5-15 parts.
8. high-weatherability PC/ASA alloy materials as described in claim 1, it is characterised in that：The auxiliary agent further includes fire-retardant
Agent, the mass fraction of the fire retardant is 1-5 parts.
9. a kind of preparation method of high-weatherability PC/ASA alloy materials, which is characterized in that include the following steps：
Step 1：ASA crushed using ball mill to obtain ASA powder；
Step 2：If taking PC the and ASA powder of dry weight, PC is placed in 100-120 DEG C of forced air drying 2-8h in air dry oven,
ASA powder is placed in 80-90 DEG C of vacuum drying 2-6h in vacuum drying chamber, obtains dried PC and ASA powder；
Step 3：Dried PC 60-80 parts of meltings are taken, take dried 20-40 parts of ASA powder, UV absorbers 1-5
Part, 5-10 parts of compatilizer, 0.05-0.5 parts of antioxidant, 5-15 parts of glass fibre and 1-5 parts of fire retardant are added in twin-screw extrusion
In machine, the PC after melting is added, under an increased pressure 200-240 DEG C of heating melting mixing, extruding pelletization after 1-2h squeezes out temperature
It is 220-260 DEG C to spend, screw speed 250-350r/min, squeezes out pelletizing after batten cools down in air and obtains the PC/ASA conjunctions
Golden material.
10. the preparation method of high-weatherability PC/ASA alloy materials as claimed in claim 9, it is characterised in that：In step 3
The pressure of pressurization is 5-10 atmospheric pressure.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109679314A (en) * | 2018-12-26 | 2019-04-26 | 上海瀚氏科技集团有限公司 | Automotive upholstery PC/ASA plastics and its production technology |
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| CN112646341A (en) * | 2020-11-27 | 2021-04-13 | 张家港大塚化学有限公司 | Preparation process of halogen-free flame-retardant, antistatic, high-wear-resistance and high-strength PC/ASA alloy |
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| CN109486147A (en) * | 2018-10-14 | 2019-03-19 | 金旸（厦门）新材料科技有限公司 | A kind of anti-wire drawing fire retardation PC-ASA alloy and preparation method thereof |
| CN109486147B (en) * | 2018-10-14 | 2020-12-11 | 金旸（厦门）新材料科技有限公司 | Anti-wiredrawing flame-retardant PC-ASA alloy and preparation method thereof |
| CN109679314A (en) * | 2018-12-26 | 2019-04-26 | 上海瀚氏科技集团有限公司 | Automotive upholstery PC/ASA plastics and its production technology |
| CN109679314B (en) * | 2018-12-26 | 2021-02-02 | 上海瀚氏科技集团有限公司 | PC/ASA plastic for automotive interior parts and production process thereof |
| CN110628199A (en) * | 2019-10-12 | 2019-12-31 | 东莞市高能高分子材料有限公司 | PC/ASA alloy material and preparation method thereof |
| CN110804296A (en) * | 2019-10-22 | 2020-02-18 | 上海华合复合材料有限公司 | High-weather-resistance low-heat-conductivity spraying-free polycarbonate alloy material and preparation method thereof |
| CN110804296B (en) * | 2019-10-22 | 2022-05-24 | 华合新材料科技股份有限公司 | High-weather-resistance low-heat-conductivity spraying-free polycarbonate alloy material and preparation method thereof |
| CN112646341A (en) * | 2020-11-27 | 2021-04-13 | 张家港大塚化学有限公司 | Preparation process of halogen-free flame-retardant, antistatic, high-wear-resistance and high-strength PC/ASA alloy |
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