CN114290775A - ASA/PCTA/POK composite material and preparation method thereof - Google Patents
ASA/PCTA/POK composite material and preparation method thereof Download PDFInfo
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- CN114290775A CN114290775A CN202111644225.7A CN202111644225A CN114290775A CN 114290775 A CN114290775 A CN 114290775A CN 202111644225 A CN202111644225 A CN 202111644225A CN 114290775 A CN114290775 A CN 114290775A
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- asa
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- FDSYTWVNUJTPMA-UHFFFAOYSA-N 2-[3,9-bis(carboxymethyl)-3,6,9,15-tetrazabicyclo[9.3.1]pentadeca-1(15),11,13-trien-6-yl]acetic acid Chemical compound C1N(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC2=CC=CC1=N2 FDSYTWVNUJTPMA-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 239000002131 composite material Substances 0.000 title claims abstract description 87
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 166
- 229920005989 resin Polymers 0.000 claims abstract description 166
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 31
- 239000003963 antioxidant agent Substances 0.000 claims description 25
- 230000003078 antioxidant effect Effects 0.000 claims description 25
- 239000000314 lubricant Substances 0.000 claims description 25
- 239000004611 light stabiliser Substances 0.000 claims description 21
- -1 3, 5-di-tert-butyl-4-hydroxyphenyl Chemical group 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 16
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 11
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 11
- 239000002270 dispersing agent Substances 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 239000000194 fatty acid Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 7
- 229930195729 fatty acid Natural products 0.000 claims description 7
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 claims description 7
- 239000004595 color masterbatch Substances 0.000 claims description 6
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 6
- 239000003242 anti bacterial agent Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 150000002193 fatty amides Chemical class 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 4
- 239000012964 benzotriazole Substances 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 3
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- RURPJGZXBHYNEM-UHFFFAOYSA-N 2-[2-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound C=1C=CC=C(O)C=1C=NC(C)CN=CC1=CC=CC=C1O RURPJGZXBHYNEM-UHFFFAOYSA-N 0.000 claims description 2
- ODJQKYXPKWQWNK-UHFFFAOYSA-L 3-(2-carboxylatoethylsulfanyl)propanoate Chemical compound [O-]C(=O)CCSCCC([O-])=O ODJQKYXPKWQWNK-UHFFFAOYSA-L 0.000 claims description 2
- 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 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- JKBYAWVSVVSRIX-UHFFFAOYSA-N octadecyl 2-(1-octadecoxy-1-oxopropan-2-yl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)SC(C)C(=O)OCCCCCCCCCCCCCCCCCC JKBYAWVSVVSRIX-UHFFFAOYSA-N 0.000 claims description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 229940124543 ultraviolet light absorber Drugs 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 230000003796 beauty Effects 0.000 abstract description 2
- 238000009713 electroplating Methods 0.000 abstract description 2
- 239000003973 paint Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 9
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 8
- 238000002156 mixing Methods 0.000 description 6
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 5
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- IYAZLDLPUNDVAG-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 IYAZLDLPUNDVAG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000012745 toughening agent Substances 0.000 description 2
- CVZJJEXNBFKWJY-UHFFFAOYSA-N 1-n,4-n-bis(6-methylheptyl)benzene-1,4-diamine Chemical group CC(C)CCCCCNC1=CC=C(NCCCCCC(C)C)C=C1 CVZJJEXNBFKWJY-UHFFFAOYSA-N 0.000 description 1
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 1
- 229920007019 PC/ABS Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement 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
- 238000000465 moulding Methods 0.000 description 1
- 239000011185 multilayer composite material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses an ASA/PCTA/POK composite material and a preparation method thereof, belonging to the technical field of spraying-free materials. The ASA/PCTA/POK composite material is of a three-layer structure and sequentially comprises an ASA resin layer, a PCTA resin layer and a POK resin layer from top to bottom. According to the invention, the multilayer ASA/PCTA/POK composite material is obtained through co-extrusion molding, so that the ASA/PCTA/POK composite material has excellent scratch resistance, impact resistance and appearance effect; in addition, the ASA/PCTA/POK composite material does not need procedures such as paint spraying or electroplating and the like in the using process, and meets the requirements of environmental protection and beauty.
Description
Technical Field
The invention relates to an ASA/PCTA/POK composite material and a preparation method thereof, belonging to the technical field of spraying-free materials.
Background
With the continuous improvement of living standard and the development of economy, people no longer meet the single use value of products, and the requirements on the performance, the design, the aesthetic feeling, the color and the like of the products are more and more strict. Most of bags in the existing market achieve the pearling effect by spraying or coating films on the surfaces of PC (polycarbonate) and PC/ABS (acrylonitrile butadiene styrene) plates, and the post-treatment seriously influences the production efficiency, the cost and the environmental protection property; the spraying-free products have been promoted more and more due to various advantages of environmental protection, low cost and the like.
The surface hardness of the spraying-free ABS product in the current market is 2B level, the hardness is low, the scratch resistance is poor, and the scraped material is difficult to repair, so that the application field of the product is greatly limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an ASA/PCTA/POK composite material and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: the first aspect provides an ASA/PCTA/POK composite material, wherein the ASA/PCTA/POK composite material is of a three-layer structure and sequentially comprises an ASA resin layer, a PCTA resin layer and a POK resin layer from top to bottom;
the ASA resin layer comprises the following raw materials in parts by weight: 90-95 parts of ASA resin, 5-10 parts of pearlescent color master batch, 0.5-1.2 parts of light stabilizer, 0.5-1 part of antioxidant, 0.5-1 part of lubricant and 0.5-1 part of compatilizer;
the PCTA resin layer comprises the following raw materials in parts by weight: 90-95 parts of PCTA resin, 5-10 parts of thermoplastic polyester elastomer, 0.5-1 part of antioxidant, 0.5-1 part of lubricant and 0.5-1 part of compatilizer;
the POK resin layer comprises the following raw materials in parts by weight: 80-95 parts of POK resin, 1-20 parts of PCTA resin, 1-5 parts of antibacterial agent, 3-8 parts of compatilizer, 0.5-1.2 parts of dispersing agent, 0.5-1 part of antioxidant and 0.5-1.2 parts of lubricant.
The co-extrusion molding refers to a preparation method of a multilayer composite material by plasticizing different materials in different extruders and extruding and merging the materials into a common machine head. The ASA/PCTA/POK composite material is prepared by co-extrusion molding, and consists of an ASA resin layer, a PCTA resin layer and a POK resin layer, and has excellent spraying-free effect, glossiness, wear resistance and weather resistance. The multilayer ASA/PCTA/POK composite material is obtained through coextrusion molding, so that the ASA/PCTA/POK composite material has excellent scratch resistance, impact resistance and appearance effect; in addition, the ASA/PCTA/POK composite material does not need procedures such as paint spraying or electroplating and the like in the using process, and meets the requirements of environmental protection and beauty.
The POK resin layer comprises POK resin and PCTA resin, and the POK resin and the PCTA resin are compounded, so that on one hand, the bonding strength of the POK resin layer and the PCTA resin layer can be improved, on the other hand, the POK resin has high wear resistance but low impact toughness, and the wear resistance of the POK resin can be greatly reduced by adding a common toughening system into the POK resin; the invention takes the PCTA resin as the toughening agent of the POK resin layer, can avoid the reduction of the wear resistance of the POK resin layer, and simultaneously improves the toughness of the POK resin layer, so that the POK resin layer is easier to form after processing.
The antioxidant, lubricant and compatibilizer in the ASA resin layer, PCTA resin layer and POK resin layer may be the same or different.
The thickness of the ASA/PCTA/POK composite material is 0.1mm-20mm, and the preferable thickness range is 0.5mm-10 mm.
As a preferable embodiment of the ASA/PCTA/POK composite material, the thickness of the PCTA resin layer accounts for 5-12% of the thickness of the composite material; the POK resin layer accounts for 17% -25% of the thickness of the composite material.
The thickness ratio of the PCTA resin layer, the POK resin layer and the ASA resin layer is limited by the ASA/PCTA/POK composite material, and the overall performance of the ASA/PCTA/POK composite material is improved.
As a preferable embodiment of the ASA/PCTA/POK composite material, the thickness of the PCTA resin layer accounts for 8-10% of the thickness of the composite material; the POK resin layer accounts for 17% -20% of the thickness of the composite material.
The inventor finds that the overall performance of the ASA/PCTA/POK composite material is better when the thickness of the PCTA resin layer accounts for 8% -10% of the thickness of the composite material, and the thickness of the POK resin layer accounts for 17% -20% of the thickness of the composite material.
As a preferred embodiment of the ASA/PCTA/POK composite material, the light stabilizer is a hindered amine light stabilizer and an ultraviolet absorber; the hindered amine light stabilizer is bis-2, 2,6, 6-tetramethyl piperidinol sebacate; the ultraviolet absorbent is one of 2- (2' -hydroxy-3 ',5' -bis (a, a-dimethylbenzyl) phenyl) benzotriazole and 2- (2' -hydroxy-5 ' -tert-octylphenyl) benzotriazole.
As a preferred embodiment of the ASA/PCTA/POK composite material, the antioxidant is at least one of N-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], octylated diphenylamine, N '-diisooctyl-p-phenylenediamine, tris [2, 4-di-tert-butylphenyl ] phosphite, dioctadecyl thiodipropionate, didodecanediol thiodipropionate and N, N' -disalicylidene propylene diamine.
As a preferred embodiment of the ASA/PCTA/POK composite material, the lubricant is at least one of N, N' -diethenylene stearic acid amide, oleic acid amide, polyethylene wax, polypropylene wax and siloxane.
As a preferred embodiment of the ASA/PCTA/POK composite material of the present invention, the dispersant is a mixture of polyethylene wax, fatty acid salt and fatty amide.
As a preferred embodiment of the ASA/PCTA/POK composite material, the compatilizer is at least one of ethylene-octene copolymer grafted maleic anhydride, ethylene propylene diene monomer grafted maleic anhydride, hydrogenated styrene-butadiene block copolymer grafted maleic anhydride, polyurethane thermoplastic elastomer and acrylate copolymer.
In a second aspect, a preparation method of an ASA/PCTA/POK composite material is provided, which comprises the following steps: the raw materials of the ASA resin layer, the PCTA resin layer and the POK resin layer are weighed according to the proportion respectively and are uniformly mixed at the rotating speed of 1500r/min-2000r/min respectively to obtain the raw material mixtures of the ASA resin layer, the PCTA resin layer and the POK resin layer, the raw material mixtures are respectively placed in a three-layer screw extruder to be mixed and extruded, and the ASA/PCTA/POK composite material is obtained after drawing, cooling, drying and grain cutting.
As a preferred embodiment of the preparation method of the ASA/PCTA/POK composite material, the preparation conditions of the three-layer screw extruder are as follows: the temperature ranges from the charging opening to each section of the machine head are as follows: the temperature of the first zone is 220-250 ℃, the temperature of the second zone is 210-255 ℃, the temperature of the third zone is 220-250 ℃, the temperature of the fourth zone is 220-250 ℃, the temperature of the fifth zone is 220-250 ℃, the temperature of the sixth zone is 220-250 ℃, the temperature of the seventh zone is 220-245 ℃, the temperature of the eighth zone is 220-245 ℃, the temperature of the head is 235-250 ℃, the rotation speed of the screw is 200-400 rpm, the feeding frequency is 10-20Hz, the melt pressure is 1.5-2.5MPa, and the vacuum degree is-0.01-0.1 MPa.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an ASA/PCTA/POK composite material and a preparation method thereof, and the ASA/PCTA/POK composite material has the following advantages: (1) the ASA/PCTA/POK composite material is composed of an ASA resin layer, a PCTA resin layer and a POK resin layer, so that the comprehensive performance of the ASA/PCTA/POK composite material can be greatly improved; (2) the POK resin layer comprises POK resin and PCTA resin, and the POK resin and the PCTA resin are compounded, so that on one hand, the bonding strength of the POK resin layer and the PCTA resin layer can be improved, on the other hand, the POK resin has high wear resistance but low impact toughness, and the wear resistance of the POK resin can be greatly reduced by adding a common toughening system into the POK resin; the PCTA resin is used as the toughening agent of the POK resin layer, so that the reduction of the wear resistance of the POK resin layer can be avoided, and meanwhile, the toughness of the POK resin layer is improved, so that the POK resin layer is easier to form in subsequent processing; (3) the invention is beneficial to improving the overall performance of the ASA/PCTA/POK composite material by further limiting the thickness ratio of the PCTA resin layer, the POK resin layer and the ASA resin layer.
Drawings
FIG. 1 is a cross-sectional view of an ASA/PCTA/POK composite in accordance with an embodiment of the present invention.
1. ASA resin layer, 2, PCTA resin layer, 3, POK resin layer.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to the following detailed description and accompanying drawings.
In the following examples, the thermoplastic polyester elastomer is TPEE.
Example 1
The ASA/PCTA/POK composite material comprises an ASA resin layer, a PCTA resin layer and a POK resin layer from top to bottom in sequence;
the ASA resin layer comprises the following raw materials in parts by weight: 93 parts of ASA resin, 8 parts of pearlescent color master batch, 0.9 part of light stabilizer, 0.7 part of antioxidant, 0.8 part of lubricant and 0.8 part of compatilizer;
the PCTA resin layer comprises the following raw materials in parts by weight: 92 parts of PCTA resin, 8 parts of thermoplastic polyester elastomer, 0.8 part of antioxidant, 0.8 part of lubricant and 0.8 part of compatilizer;
the POK resin layer comprises the following raw materials in parts by weight: 90 parts of POK resin, 10 parts of PCTA resin, 3 parts of antibacterial agent, 5 parts of compatilizer, 0.9 part of dispersant, 0.8 part of antioxidant and 0.8 part of lubricant;
the thickness of the PCTA resin layer accounts for 10% of the thickness of the composite material; the POK resin layer accounts for 20% of the thickness of the composite material;
the light stabilizer is a hindered amine light stabilizer and an ultraviolet absorber, the mass ratio of the hindered amine light stabilizer to the ultraviolet absorber is 2:1, and the ultraviolet absorber is 2- (2' -hydroxy-3 ',5' -bis (a, a-dimethylbenzyl) phenyl) benzotriazole;
the antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate; the lubricant is N, N' -diethene hard fatty acid amide;
the dispersing agent is a mixture of polyethylene wax, fatty acid salt and fatty amide;
the compatilizer is ethylene-octene copolymer grafted maleic anhydride.
The preparation method of the ASA/PCTA/POK composite material of the embodiment comprises the following steps:
weighing raw materials of the ASA resin layer, the PCTA resin layer and the POK resin layer according to a certain proportion, respectively and uniformly mixing at the rotating speed of 1800r/min to respectively obtain raw material mixtures of the ASA resin layer, the PCTA resin layer and the POK resin layer, respectively placing the raw material mixtures in a three-layer screw extruder, mixing, extruding, drawing, cooling, drying and granulating to obtain the ASA/PCTA/POK composite material; the preparation conditions of the three-layer screw extruder are as follows: the temperature ranges from the charging opening to each section of the machine head are as follows: the temperature of the first zone is 220-250 ℃, the temperature of the second zone is 210-255 ℃, the temperature of the third zone is 220-250 ℃, the temperature of the fourth zone is 220-250 ℃, the temperature of the fifth zone is 220-250 ℃, the temperature of the sixth zone is 220-250 ℃, the temperature of the seventh zone is 220-245 ℃, the temperature of the eighth zone is 220-245 ℃, the temperature of the head is 235-250 ℃, the rotation speed of the screw is 200-400 rpm, the feeding frequency is 10-20Hz, the melt pressure is 1.5-2.5MPa, and the vacuum degree is-0.01-0.1 MPa.
Example 2
The ASA/PCTA/POK composite material comprises an ASA resin layer, a PCTA resin layer and a POK resin layer from top to bottom in sequence;
the ASA resin layer comprises the following raw materials in parts by weight: 90 parts of ASA resin, 5 parts of pearlescent color master batch, 0.5 part of light stabilizer, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of compatilizer;
the PCTA resin layer comprises the following raw materials in parts by weight: 90 parts of PCTA resin, 5 parts of thermoplastic polyester elastomer, 0.5 part of antioxidant, 0.5 part of lubricant and 0.5 part of compatilizer;
the POK resin layer comprises the following raw materials in parts by weight: 80 parts of POK resin, 20 parts of PCTA resin, 1 part of antibacterial agent, 3 parts of compatilizer, 0.5 part of dispersant, 0.5 part of antioxidant and 0.5 part of lubricant;
the thickness of the PCTA resin layer accounts for 10% of the thickness of the composite material; the POK resin layer accounts for 20% of the thickness of the composite material;
the light stabilizer is a hindered amine light stabilizer and an ultraviolet absorber, the mass ratio of the hindered amine light stabilizer to the ultraviolet absorber is 2:1, and the ultraviolet absorber is 2- (2 '-hydroxy-5' -tert-octylphenyl) benzotriazole;
the antioxidant of the ASA resin layer is tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the antioxidant of the PCTA resin layer is octylated diphenylamine, and the antioxidant of the POK resin layer is N, N' -diisooctyl-p-phenylenediamine;
the lubricant of the ASA resin layer is stearic acid amide, the lubricant of the PCTA resin layer is oleic acid amide, and the lubricant of the POK resin layer is polyethylene wax;
the dispersing agent is a mixture of polyethylene wax, fatty acid salt and fatty amide;
the compatibilizer of the ASA resin layer is ethylene-octene copolymer grafted maleic anhydride, the compatibilizer of the PCTA resin layer is ethylene propylene diene monomer grafted maleic anhydride, and the compatibilizer of the POK resin layer is hydrogenated styrene-butadiene block copolymer grafted maleic anhydride;
the preparation method of the ASA/PCTA/POK composite material of the embodiment comprises the following steps:
weighing raw materials of the ASA resin layer, the PCTA resin layer and the POK resin layer according to a certain proportion, respectively and uniformly mixing at a rotating speed of 2000r/min to respectively obtain raw material mixtures of the ASA resin layer, the PCTA resin layer and the POK resin layer, respectively placing the raw material mixtures in a three-layer screw extruder, mixing, extruding, drawing, cooling, drying and granulating to obtain an ASA/PCTA/POK composite material; the preparation conditions of the three-layer screw extruder are as follows: the temperature ranges from the charging opening to each section of the machine head are as follows: the temperature of the first zone is 220-250 ℃, the temperature of the second zone is 210-255 ℃, the temperature of the third zone is 220-250 ℃, the temperature of the fourth zone is 220-250 ℃, the temperature of the fifth zone is 220-250 ℃, the temperature of the sixth zone is 220-250 ℃, the temperature of the seventh zone is 220-245 ℃, the temperature of the eighth zone is 220-245 ℃, the temperature of the head is 235-250 ℃, the rotation speed of the screw is 200-400 rpm, the feeding frequency is 10-20Hz, the melt pressure is 1.5-2.5MPa, and the vacuum degree is-0.01-0.1 MPa.
Example 3
The ASA/PCTA/POK composite material comprises an ASA resin layer, a PCTA resin layer and a POK resin layer from top to bottom in sequence;
the ASA resin layer comprises the following raw materials in parts by weight: 95 parts of ASA resin, 10 parts of pearlescent color master batch, 1.2 parts of light stabilizer, 1 part of antioxidant, 1 part of lubricant and 1 part of compatilizer;
the PCTA resin layer comprises the following raw materials in parts by weight: 95 parts of PCTA resin, 10 parts of thermoplastic polyester elastomer, 1 part of antioxidant, 1 part of lubricant and 1 part of compatilizer;
the POK resin layer comprises the following raw materials in parts by weight: 95 parts of POK resin, 5 parts of PCTA resin, 5 parts of antibacterial agent, 8 parts of compatilizer, 1.2 parts of dispersant, 1 part of antioxidant and 1.2 parts of lubricant;
the thickness of the PCTA resin layer accounts for 10% of the thickness of the composite material; the POK resin layer accounts for 20% of the thickness of the composite material;
the light stabilizer is a hindered amine light stabilizer and an ultraviolet absorber, the mass ratio of the hindered amine light stabilizer to the ultraviolet absorber is 2:1, and the ultraviolet absorber is 2- (2' -hydroxy-3 ',5' -bis (a, a-dimethylbenzyl) phenyl) benzotriazole;
the antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate; the lubricant is N, N' -diethene hard fatty acid amide;
the dispersing agent is a mixture of polyethylene wax, fatty acid salt and fatty amide;
the compatilizer is ethylene-octene copolymer grafted maleic anhydride.
The preparation method of the ASA/PCTA/POK composite material of the embodiment comprises the following steps:
weighing raw materials of the ASA resin layer, the PCTA resin layer and the POK resin layer according to a certain proportion, respectively and uniformly mixing at the rotating speed of 1800r/min to respectively obtain raw material mixtures of the ASA resin layer, the PCTA resin layer and the POK resin layer, respectively placing the raw material mixtures in a three-layer screw extruder, mixing, extruding, drawing, cooling, drying and granulating to obtain the ASA/PCTA/POK composite material; the preparation conditions of the three-layer screw extruder are as follows: the temperature ranges from the charging opening to each section of the machine head are as follows: the temperature of the first zone is 220-250 ℃, the temperature of the second zone is 210-255 ℃, the temperature of the third zone is 220-250 ℃, the temperature of the fourth zone is 220-250 ℃, the temperature of the fifth zone is 220-250 ℃, the temperature of the sixth zone is 220-250 ℃, the temperature of the seventh zone is 220-245 ℃, the temperature of the eighth zone is 220-245 ℃, the temperature of the head is 235-250 ℃, the rotation speed of the screw is 200-400 rpm, the feeding frequency is 10-20Hz, the melt pressure is 1.5-2.5MPa, and the vacuum degree is-0.01-0.1 MPa.
Example 4
As an ASA/PCTA/POK composite material in the embodiment of the invention, the only difference between the embodiment and the embodiment 1 is as follows: the thickness of the PCTA resin layer accounts for 5% of the thickness of the composite material; the POK resin layer accounts for 17% of the thickness of the composite.
Example 5
As an ASA/PCTA/POK composite material in the embodiment of the invention, the only difference between the embodiment and the embodiment 1 is as follows: the thickness of the PCTA resin layer accounts for 8% of the thickness of the composite material; the POK resin layer accounts for 20% of the thickness of the composite material.
Example 6
As an ASA/PCTA/POK composite material in the embodiment of the invention, the only difference between the embodiment and the embodiment 1 is as follows: the thickness of the PCTA resin layer accounts for 12% of the thickness of the composite material; the POK resin layer accounts for 25% of the thickness of the composite material.
Comparative example 1
As an ASA/POK composite material of the embodiment of the invention, the only difference between the comparative example and the embodiment 1 is as follows: the ASA/POK composite of this comparative example was obtained by replacing the PCTA resin layer in example 1 with a POK resin layer, excluding the PCTA resin layer.
Comparative example 2
As an ABS/PCTA/POK composite material of the embodiment of the invention, the only difference between the comparative example and the embodiment 1 is as follows: replacing the ABA resin layer in example 1 with an ABS resin layer to obtain the ABS/PCTA/POK composite material of the comparative example; the ABS resin layer comprises the following raw materials in parts by weight: 93 parts of ABS resin, 8 parts of pearlescent color master batch, 0.9 part of light stabilizer, 0.7 part of antioxidant, 0.8 part of lubricant and 0.8 part of compatilizer, wherein the light stabilizer, the antioxidant, the lubricant and the compatilizer are the same as those in the embodiment 1.
Performance testing
The ASA/PCTA/POK composites of examples 1-6, the ASA/POK composite of comparative example 1, and the ABS/PCTA/POK composite of comparative example 2 were tested for performance. The results are shown in Table 1.
TABLE 1 Properties of the composites
As can be seen from the data of table 1, the composite material of the present invention has high hardness, elongation at break, flexural strength, notched impact strength, weather resistance, antibacterial property and abrasion resistance at the same thickness as compared to comparative examples 1-2.
Finally, it should be noted that the above embodiments are intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The ASA/PCTA/POK composite material is characterized by having a three-layer structure and sequentially comprising an ASA resin layer, a PCTA resin layer and a POK resin layer from top to bottom;
the ASA resin layer comprises the following raw materials in parts by weight: 90-95 parts of ASA resin, 5-10 parts of pearlescent color master batch, 0.5-1.2 parts of light stabilizer, 0.5-1 part of antioxidant, 0.5-1 part of lubricant and 0.5-1 part of compatilizer;
the PCTA resin layer comprises the following raw materials in parts by weight: 90-95 parts of PCTA resin, 5-10 parts of thermoplastic polyester elastomer, 0.5-1 part of antioxidant, 0.5-1 part of lubricant and 0.5-1 part of compatilizer;
the POK resin layer comprises the following raw materials in parts by weight: 80-95 parts of POK resin, 1-20 parts of PCTA resin, 1-5 parts of antibacterial agent, 3-8 parts of compatilizer, 0.5-1.2 parts of dispersing agent, 0.5-1 part of antioxidant and 0.5-1.2 parts of lubricant.
2. The composite of claim 1, wherein the thickness of said ASA resin layer is from 5% to 12% of the thickness of said composite; the thickness of the PCTA resin layer accounts for 17% -25% of the thickness of the composite material.
3. The composite of claim 2, wherein the thickness of said ASA resin layer is from 8% to 10% of the thickness of said composite; the thickness of the PCTA resin layer accounts for 17% -20% of the thickness of the composite material.
4. The composite of claim 1, wherein the light stabilizer is a mixture of a hindered amine light stabilizer and a benzotriazole-based ultraviolet light absorber.
5. The composite material of claim 1, wherein the antioxidant is at least one of N-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], octylated diphenylamine, N '-diisooctyl-p-phenylenediamine, tris [2, 4-di-tert-butylphenyl ] phosphite, dioctadecyl thiodipropionate, didodecanediol thiodipropionate, and N, N' -disalicylidene propylenediamine.
6. The composite of claim 1, wherein the lubricant is at least one of N, N' -bis-ethylene-stearyl-fatty acid amide, stearic acid amide or oleic acid amide, polyethylene wax, polypropylene wax, and silicone.
7. The composite material of claim 1, wherein the dispersant is a mixture of polyethylene wax, a fatty acid salt, and a fatty amide.
8. The composite of claim 1, wherein the compatibilizer is at least one of ethylene-octene copolymer grafted maleic anhydride, ethylene propylene diene monomer grafted maleic anhydride, hydrogenated styrene-butadiene block copolymer grafted maleic anhydride, polyurethane thermoplastic elastomer, and acrylate copolymer.
9. A method for preparing a composite material according to any one of claims 1 to 8, comprising the steps of: the raw materials of the ASA resin layer, the PCTA resin layer and the POK resin layer are weighed according to the proportion respectively and are uniformly mixed at the rotating speed of 1500r/min-2000r/min respectively to obtain the raw material mixtures of the ASA resin layer, the PCTA resin layer and the POK resin layer, the raw material mixtures are respectively placed in a three-layer screw extruder to be mixed and extruded, and the ASA/PCTA/POK composite material is obtained after drawing, cooling, drying and grain cutting.
10. The method of claim 9, wherein the three-layer screw extruder is prepared under the conditions: the temperature ranges from the charging opening to each section of the machine head are as follows: the temperature of the first zone is 220-250 ℃, the temperature of the second zone is 210-255 ℃, the temperature of the third zone is 220-250 ℃, the temperature of the fourth zone is 220-250 ℃, the temperature of the fifth zone is 220-250 ℃, the temperature of the sixth zone is 220-250 ℃, the temperature of the seventh zone is 220-245 ℃, the temperature of the eighth zone is 220-245 ℃, the temperature of the head is 235-250 ℃, the rotation speed of the screw is 200-400 rpm, the feeding frequency is 10-20Hz, the melt pressure is 1.5-2.5MPa, and the vacuum degree is-0.01-0.1 MPa.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647047A (en) * | 2016-01-21 | 2016-06-08 | 天津中财型材有限责任公司 | Chemical modification ASA resin and preparation method and application thereof |
| CN107698948A (en) * | 2017-11-29 | 2018-02-16 | 广东聚航新材料研究院有限公司 | A kind of wear-resisting HI high impact compound package materials of POK/PCTG and preparation method thereof |
| CN109912943A (en) * | 2019-03-28 | 2019-06-21 | 东莞市建泓新材料科技有限公司 | A kind of the high-impact copolyester alloy modified material and preparation method of case board |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647047A (en) * | 2016-01-21 | 2016-06-08 | 天津中财型材有限责任公司 | Chemical modification ASA resin and preparation method and application thereof |
| CN107698948A (en) * | 2017-11-29 | 2018-02-16 | 广东聚航新材料研究院有限公司 | A kind of wear-resisting HI high impact compound package materials of POK/PCTG and preparation method thereof |
| CN109912943A (en) * | 2019-03-28 | 2019-06-21 | 东莞市建泓新材料科技有限公司 | A kind of the high-impact copolyester alloy modified material and preparation method of case board |
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