CN114854165B - Weather-resistant ABS composition, and preparation method and application thereof - Google Patents
Weather-resistant ABS composition, and preparation method and application thereof Download PDFInfo
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- CN114854165B CN114854165B CN202210254489.XA CN202210254489A CN114854165B CN 114854165 B CN114854165 B CN 114854165B CN 202210254489 A CN202210254489 A CN 202210254489A CN 114854165 B CN114854165 B CN 114854165B
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- 239000000203 mixture Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000004611 light stabiliser Substances 0.000 claims abstract description 18
- 239000000314 lubricant Substances 0.000 claims abstract description 18
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 8
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 7
- 239000012964 benzotriazole Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 150000001412 amines Chemical class 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 6
- 239000005062 Polybutadiene Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- 235000019359 magnesium stearate Nutrition 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 150000003568 thioethers Chemical class 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 claims 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 15
- 238000005286 illumination Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- 238000004383 yellowing Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- -1 illumination Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical group CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005274 electronic transitions Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 150000008301 phosphite esters Chemical class 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
- C08K5/3475—Five-membered rings condensed with carbocyclic rings
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The application relates to a weather-proof ABS composition, a preparation method and application thereof, and the composition comprises the following components: ABS resin, antioxidant, ultraviolet absorber, light stabilizer and lubricant. The ABS material composition has higher color stability and higher ultraviolet aging resistance, and meets the use requirement of the household appliance industry on weather-resistant ABS materials.
Description
Technical Field
The application belongs to the technical field of general plastics, and particularly relates to a weather-resistant ABS composition, and a preparation method and application thereof.
Background
ABS is a terpolymer of acrylonitrile, butadiene and styrene, has good mechanical property, surface gloss, oil resistance, chemical resistance and electrical property as engineering plastics with good comprehensive properties, has tough and hard mechanical property and good processability, can be directly injection molded and extrusion molded into products, can be blended with other thermoplastic resins, engineering plastics or organic and inorganic fillers to prepare various composite materials, and is widely applied to fields of household appliances, electronic appliances, automobiles, machinery, buildings and the like.
However, the ABS resin contains a butadiene rubber phase, unsaturated double bonds in the rubber phase are easy to generate oxidative degradation yellowing phenomenon under the actions of light, heat, peroxide and the like, so that the mechanical properties of the material are greatly reduced, and the application of the ABS resin is restricted. Along with the increasing of the living standard of people and the annual increase of the export share of household appliances in China, each large household appliance production enterprise puts higher demands on the color stability and the performance retention rate of plastic parts in the transportation and long-term use processes.
At present, almost all researches and patents focus on how to improve the weather resistance of ABS and alloy materials thereof, and the like, which are mainly evaluated by methods such as laboratory accelerated aging (ultraviolet aging, xenon lamp aging, long-term thermal oxidation aging, darkroom aging) and the like, aiming at improving the yellowing resistance and the performance attenuation resistance of high polymer materials under ultraviolet light, natural light, heat, water and other natural or artificial environment conditions, but the researches on the aging phenomena of ABS and products thereof in indoor environments are very limited.
According to research, the ABS resin and modified materials thereof comprise flame-retardant ABS, weather-resistant ABS and the like, and can undergo a color change reaction under indoor illumination conditions such as indoor windowsill (direct illumination is avoided), indoor fluorescent lamp and lamp box (D65 light source) illumination, particularly, products or templates after injection molding by an injection molding machine are subjected to color shift (blue change and color b value is reduced) towards blue phase within a certain time after molding, so that color control and delivery of molded products are seriously affected, and in addition, yellowing of materials occurs along with aging reaction.
Common technical research reports, papers and patents mainly focus on solving the problems of material performance attenuation and yellowing of colors caused by oxygen, illumination, water and the like in the using process, but do not have careful report and research on the problem of color shift (blue change) of products to blue phase in a short period after molding.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the application is to provide a weather-proof ABS composition, a preparation method and application thereof, and the obtained weather-proof ABS has the characteristics of better short-term bluing resistance and long-term yellowing resistance.
The application relates to an ABS material composition, which comprises the following components in parts by weight:
wherein the average particle diameter of rubber in the ABS resin is more than 0.8 mu m;
the ultraviolet absorber is benzotriazole ultraviolet absorber;
the light stabilizer is a polymeric hindered amine light stabilizer;
the lubricant is a weakly basic lubricant.
Preferably, the mass percentage of butadiene rubber in the ABS resin is 10% -25%, and the average particle size of the rubber is 1-1.5 mu m.
Preferably, the antioxidant is one or more of phosphite esters, thioether esters and hindered phenols.
Preferably, the phosphite is an antioxidant 168; the thioether is DSTDP; the hindered phenol is antioxidant 1010.
The benzotriazole ultraviolet absorber isWherein R is halogen; r1 is C n H 2n+1 Wherein n is greater than or equal to 3; r2 is H or alkyl.
Preferably, the benzotriazole ultraviolet absorber is at least one of UV-327 and UV-326.
Preferably, the number average molecular weight of the polymeric hindered amine light stabilizer is 1000g/mol or more.
The polymerization type light stabilizer has high molecular weight, small aggregation and precipitation speed and proportion to the surface of the product, and the probability of ions generated in the process of capturing free radicals is reduced, so that the formation of a polyurethane structure and the degree of blue change are reduced.
Preferably, the weakly alkaline lubricant is at least one of zinc stearate and magnesium stearate.
Preferably, the mass ratio of the ultraviolet absorber to the light stabilizer is (3:7) to (7:3).
The ultraviolet absorber and the light stabilizer have better short-term anti-bluing and long-term anti-yellowing performances within the preferable proportion range.
Preferably, the components comprise, by weight:
the preparation method of the ABS material composition provided by the application comprises the following steps:
weighing the components according to the weight, mixing the ABS resin, the antioxidant, the ultraviolet absorber, the light stabilizer, the lubricant and the shearing, melting by adopting a double-screw extruder, extruding and granulating to obtain the ABS material composition.
The temperature of the double-screw extruder from a feed inlet to a die head is 180-210 ℃, the rotating speed of the double-screw extruder is 200-400 rpm, the pressure is 2-3 MPa, and the vacuum degree is lower than 0.1MPa; the length-diameter ratio of the double-screw extruder is 36:1 to 44:1.
The application of the ABS material composition in the air conditioner panel is disclosed.
The particle size of rubber in the ABS resin is more than 0.8 mu m, the ABS resin has relatively larger particle size, the larger the rubber particles are under the same rubber content, the fewer small molecule residual monomers are dissociated in a SAN resin continuous phase, the fewer active free radicals are generated under the effects of high-temperature forming and heated oxygen in the later stage, the degree of material performance attenuation caused by oxidation reaction is reduced, and the ABS resin has higher color stability.
Experiments prove that the ABS resin can generate a blue-turning process, and the addition of the ultraviolet absorbent generally aggravates the blue-turning degree, because the ultraviolet absorbent can generate valence electron transition and release heat energy after absorbing ultraviolet light, so that hetero atom groups in the resin can generate more ions, and the formation of a polyurethane structure and the blue-turning degree are aggravated. In the application, the degree of generating electronic transition and ions after absorbing ultraviolet light is further reduced by adopting the molecular acting force of the benzotriazole ultraviolet absorber with a specific molecular structure and the polymeric hindered amine light stabilizer, so that the degree of generating blue change is reduced; the polymerization type hindered amine light stabilizer has a relatively high molecular weight, and has small aggregation and precipitation speeds and proportions to the surface of the product, so that the probability of ions generated in the process of capturing free radicals is reduced, and the formation of a polyurethane structure and the degree of blue change are further reduced.
In addition, the weak alkaline lubricant such as zinc stearate and magnesium stearate is added, and the dispersion of the ultraviolet absorbent can be greatly improved by means of the acid-base acting force between the ultraviolet absorbent and the lubricant, so that better ageing resistance and yellowing resistance are shown. If a lubricant with stronger alkalinity (such as calcium stearate) and a small molecular weight hindered amine light stabilizer are selected, the lubricant reacts with the stabilizer and the benzotriazole ultraviolet absorber under the conditions of oxygen and water, so that the lubricant further shows poorer thermal oxygen and humid heat aging performance and has a certain influence on the weather resistance of the material.
Advantageous effects
The ABS material composition has higher color stability, especially has smaller degree of color deviation to blue phase under indoor illumination condition after injection molding, and also has higher ultraviolet aging resistance, thereby meeting the use requirement of household appliance industry on weather-resistant ABS materials.
Detailed Description
The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
1. Raw material source
Table 1 sources of the components
The antioxidants and lubricants used in the parallel examples and comparative examples are the same commercially available products.
The preparation method of the ABS resin-3 in a laboratory comprises the following steps:
(1) ABS 8391 (Shanghai Gao Qiao) was mixed with SAN NF2200AK (taiwan plaited) uniformly in a ratio of 1:1.
(2) Adding proper lubricant and antioxidant into the mixed material, mixing uniformly again, feeding into a double-screw extruder, and obtaining the ABS resin-3 through full melting plasticization, extrusion and cooling. The temperature of the double-screw extruder from the feed inlet to the die head is 180-210 ℃, the rotating speed of the double-screw extruder is 200-400 rpm, the pressure is 2-3 MPa, and the vacuum degree is lower than 0.1MPa; the aspect ratio of the twin screw extruder was 36:1 to 44:1.
2. the testing method comprises the following steps:
1. the injection-molded color plate is directly placed under the illumination of an indoor fluorescent lamp, the fluorescent lamp adopts a T10 lamp tube, the power is 30w, the distance between a sample and the lamp tube is 2 m+/-0.2 m, the color data after 48 hours of continuous illumination are tested, and the change of the value b is mainly examined.
2. The injection molded color plate is subjected to the irradiation intensity of 0.89W/m according to GB/T14522-2008 standard and the lamp tube type UVA-340 2 Nm, the temperature of a blackboard in the illumination stage is 60 ℃, and illumination is carried out for 8 hours; the temperature of the blackboard in the condensation stage is 50 ℃, and the condensation time is 4 hours. The aging test period was 96 hours, and the color difference value Δe before and after aging was tested.
Examples 1 to 8
The components were weighed in the weight ratios shown in table 2.
The preparation method comprises the following steps: mixing ABS resin, antioxidant, ultraviolet absorbent, light stabilizer and lubricant, melting and plasticizing, extruding by a machine head, bracing, cooling, granulating, drying to obtain ABS composition resin particles, and then using an injection molding machine to mold standard color plates to test color changes under different illumination conditions.
Wherein the temperature of the double-screw extruder is controlled to be 180-210 ℃ from a feed inlet to a die head, the rotating speed of the double-screw extruder is 350rpm, the pressure is 2-3 MPa, and the vacuum degree is lower than 0.1MPa; the length-diameter ratio of the double-screw extruder is 36:1 to 44:1.
Table 2 proportions (parts by weight) and effects of Properties of the respective components of the examples
Comparative examples 1 to 6
The preparation method is the same as that of the example, and each group is weighed according to the weight ratio and shown in the table 3.
Table 3 comparative examples the proportions (parts by weight) and effect of properties of the components
From comparative example 1, it is known that the selection of the more basic lubricant calcium stearate causes the reaction with benzotriazole-based ultraviolet absorber, and thus exhibits poor color stability.
As is clear from comparative examples 3 and 4, the use of only an ultraviolet absorber or a light stabilizer in the ABS system of the present application is inferior in color stability and aging resistance, and the synergistic improvement of the color stability and aging resistance is seen as compared with example 1.
As is clear from comparative example 6, the blue transition degree is remarkable after the light stabilizer 770DF with low molecular weight is adopted, and the color stability is poor, so that the effect of the application is not achieved.
Claims (8)
1. An ABS material composition is characterized by comprising the following components in parts by weight:
wherein the average particle diameter of butadiene rubber in the ABS resin is more than 0.8 mu m;
the ultraviolet absorber is benzotriazole ultraviolet absorber;
the light stabilizer is a polymeric hindered amine light stabilizer;
the lubricant is a weak alkaline lubricant;
wherein the benzotriazole ultraviolet absorber isWherein R is halogen; r1 is C n H 2n+1 Wherein n is more than or equal to 3, R2 is H or alkyl; the number average molecular weight of the polymeric hindered amine light stabilizer is more than 1000 g/mol.
2. The composition according to claim 1, wherein the ABS resin comprises butadiene rubber in an amount of 10-25% by mass and has an average rubber particle size of 1-1.5. Mu.m.
3. The composition of claim 1, wherein the antioxidant is one or more of phosphites, thioethers, hindered phenols.
4. The composition of claim 1, wherein the weakly basic lubricant is at least one of zinc stearate and magnesium stearate.
5. The composition of claim 1, wherein the composition comprises, in parts by weight:
6. a method of preparing the ABS material composition of claim 1 comprising:
weighing the components according to the weight, shearing and mixing the ABS resin, the antioxidant, the ultraviolet absorber, the light stabilizer and the lubricant, and melting, extruding and granulating by adopting a double-screw extruder to obtain the ABS material composition.
7. The preparation method according to claim 6, wherein the temperature of the twin-screw extruder is 180-210 ℃ from the feed inlet to the die head, the rotating speed of the twin-screw extruder is 200-400 rpm, the pressure is 2-3 MPa, and the vacuum degree is lower than 0.1MPa; the length-diameter ratio of the double-screw extruder is 36:1 to 44:1.
8. use of the ABS material composition of claim 1 in an air conditioning panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210254489.XA CN114854165B (en) | 2022-03-15 | 2022-03-15 | Weather-resistant ABS composition, and preparation method and application thereof |
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| CN202210254489.XA CN114854165B (en) | 2022-03-15 | 2022-03-15 | Weather-resistant ABS composition, and preparation method and application thereof |
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| CN114854165B true CN114854165B (en) | 2023-11-24 |
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|---|---|---|---|---|
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| WO2016106836A1 (en) * | 2014-12-31 | 2016-07-07 | 上海锦湖日丽塑料有限公司 | Low-gloss heat-resistant abs resin composition and preparation method therefor |
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2022
- 2022-03-15 CN CN202210254489.XA patent/CN114854165B/en active Active
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|---|---|---|---|---|
| EP1304351A1 (en) * | 2001-10-19 | 2003-04-23 | General Electric Company | Uv stabilized, impact modified polyester/polycarbonate blends |
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| WO2016106836A1 (en) * | 2014-12-31 | 2016-07-07 | 上海锦湖日丽塑料有限公司 | Low-gloss heat-resistant abs resin composition and preparation method therefor |
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Non-Patent Citations (2)
| Title |
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| 受阻胺光稳定剂与紫外吸收剂协同改进ABS树脂抗光氧老化性能研究;张东杰;化工科技;42-45 * |
| 耐候ABS加速老化性能研究;何超雄;广东化工;5-6 * |
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