CN114290775B - ASA/PCTA/POK composite material and preparation method thereof - Google Patents
ASA/PCTA/POK composite material and preparation method thereof Download PDFInfo
- Publication number
- CN114290775B CN114290775B CN202111644225.7A CN202111644225A CN114290775B CN 114290775 B CN114290775 B CN 114290775B CN 202111644225 A CN202111644225 A CN 202111644225A CN 114290775 B CN114290775 B CN 114290775B
- Authority
- CN
- China
- Prior art keywords
- pcta
- resin layer
- pok
- parts
- composite material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 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 110
- 239000002131 composite material Substances 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 158
- 229920005989 resin Polymers 0.000 claims abstract description 158
- 239000002994 raw material Substances 0.000 claims description 28
- 239000003963 antioxidant agent Substances 0.000 claims description 25
- 239000000314 lubricant Substances 0.000 claims description 25
- 230000003078 antioxidant effect Effects 0.000 claims description 24
- 239000004611 light stabiliser Substances 0.000 claims description 21
- -1 3, 5-di-tert-butyl-4-hydroxyphenyl Chemical group 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 14
- 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
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 9
- 239000000194 fatty acid Substances 0.000 claims description 9
- 229930195729 fatty acid Natural products 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 229920001577 copolymer Polymers 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
- 150000002193 fatty amides Chemical class 0.000 claims description 5
- 239000005977 Ethylene Substances 0.000 claims description 4
- 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
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 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
- 239000004743 Polypropylene Substances 0.000 claims description 2
- YODSJFCDKPWAQA-UHFFFAOYSA-N decyl 3-(3-decoxy-3-oxopropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCC YODSJFCDKPWAQA-UHFFFAOYSA-N 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
- 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
- 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 1
- 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 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 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
- 238000002156 mixing Methods 0.000 description 8
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 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
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical group CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000012745 toughening agent Substances 0.000 description 2
- FGHOOJSIEHYJFQ-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphite Chemical compound CC(C)(C)C1=CC=C(OP(O)O)C(C(C)(C)C)=C1 FGHOOJSIEHYJFQ-UHFFFAOYSA-N 0.000 description 1
- 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
- PMCXYLLOCXBUCH-UHFFFAOYSA-N CC(CN)N=CC1=CC=CC=C1O Chemical compound CC(CN)N=CC1=CC=CC=C1O PMCXYLLOCXBUCH-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
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011185 multilayer composite material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
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. The invention obtains the multi-layer ASA/PCTA/POK composite material through coextrusion molding, so that the ASA/PCTA/POK composite material has excellent scratch resistance, impact resistance and excellent appearance effect; in addition, the ASA/PCTA/POK composite material does not need to carry out procedures such as paint spraying or electroplating in the use process, thereby meeting the requirements of environmental protection and beautiful appearance.
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
Along with the continuous improvement of living standard and the development of economy, people no longer meet the single use value of the product, and the requirements on the performance, design, aesthetic feeling, color and the like of the product are also more and more stringent. Most cases in the existing market achieve the pearl effect by spraying or surface coating on the surfaces of PC and PC/ABS plates, and the post-treatment seriously affects the production efficiency, the cost and the environmental protection; the spray-free product has been increasingly popularized due to various advantages such as environmental friendliness, low cost and the like.
The surface hardness of the spraying-free ABS product in the current market is 2B grade, 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 above purpose, the technical scheme adopted by the invention is as follows: the first aspect provides an ASA/PCTA/POK composite material, which has 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 masterbatch, 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.
Co-extrusion refers to a process for preparing a multi-layer composite material by plasticizing different materials in different extruders and extruding and converging the materials into a common die. The ASA/PCTA/POK composite material is prepared by adopting coextrusion molding, and consists of an ASA resin layer, a PCTA resin layer and a POK resin layer. The 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 excellent appearance effect; in addition, the ASA/PCTA/POK composite material does not need to carry out procedures such as paint spraying or electroplating in the use process, thereby meeting the requirements of environmental protection and beautiful appearance.
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, and 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 when a common toughening system is added into the POK resin; according to the invention, PCTA resin is used as the toughening agent of the POK resin layer, so that put on weight 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 mold in subsequent processing.
The antioxidants, lubricants and compatibilizers in the ASA resin layer, PCTA resin layer and POK resin layer may be the same or different.
The ASA/PCTA/POK composite material of the invention has a thickness of 0.1mm to 20mm, preferably a thickness in the range of 0.5mm to 10mm.
As a preferred embodiment of the ASA/PCTA/POK composite material, the thickness of the PCTA resin layer is 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 ASA/PCTA/POK composite material limits the thickness proportion of the PCTA resin layer, the POK resin layer and the ASA resin layer, and is beneficial to improving the overall performance of the ASA/PCTA/POK composite material.
As a preferred 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 is better when the thickness of the PCTA resin layer accounts for 8% -10% of the thickness of the composite and the POK resin layer accounts for 17% -20% of the thickness of the composite.
As a preferred embodiment of the ASA/PCTA/POK composite material of the present invention, the light stabilizer is a hindered amine light stabilizer and an ultraviolet absorber; the hindered amine light stabilizer is bis-2, 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 beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate N-stearyl alcohol ester, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, octylated diphenylamine, N '-diisooctylp-phenylenediamine, tri [2, 4-di-tert-butylphenyl ] phosphite, dioctadecyl thiodipropionate, didecyl thiodipropionate and N, N' -salicylidenepropylenediamine.
As a preferred embodiment of the ASA/PCTA/POK composite material, the lubricant is at least one of N, N' -bi-ethylene hard fatty acid amide, 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 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 method for preparing an ASA/PCTA/POK composite material is provided, comprising the steps of: the method comprises the steps of respectively weighing raw materials of an ASA resin layer, a PCTA resin layer and a POK resin layer according to a proportion, respectively and uniformly mixing at a rotating speed of 1500-2000 r/min to obtain raw material mixtures of the ASA resin layer, the PCTA resin layer and the POK resin layer, respectively, putting the raw material mixtures into a three-layer screw extruder, mixing, extruding, drawing, cooling, drying and granulating to obtain the ASA/PCTA/POK composite material.
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 feed inlet to each section of the machine head are as follows: the temperature of the first area is 220-250 ℃, the temperature of the second area is 210-255 ℃, the temperature of the third area is 220-250 ℃, the temperature of the fourth area is 220-250 ℃, the temperature of the fifth area is 220-250 ℃, the temperature of the sixth area is 220-250 ℃, the temperature of the seventh area is 220-245 ℃, the temperature of the eighth area is 220-245 ℃, the temperature of the machine head is 235-250 ℃, the rotating speed of the screw is 200-400 revolutions per minute, 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 composite material consists of an ASA resin layer, a PCTA resin layer and a POK resin layer, and can greatly improve the comprehensive performance of the ASA/PCTA/POK composite material; (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, and 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 when a common toughening system is added into the POK resin; according to the invention, PCTA resin is used as the toughening agent of the POK resin layer, so that put on weight of wear resistance of the POK resin layer can be prevented from being reduced, and meanwhile, the toughness of the POK resin layer is improved, so that the POK resin layer is easier to mold 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 proportion 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 material in accordance with an embodiment of the present invention.
1. ASA resin layer, 2, PCTA resin layer, 3, POK resin layer.
Detailed Description
For a better description of the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to the following specific examples and the accompanying drawings.
In the following examples, the thermoplastic polyester elastomer is TPEE.
Example 1
As the ASA/PCTA/POK composite material provided by the embodiment of the invention, the ASA/PCTA/POK composite material 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: 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 dispersing agent, 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) propionic acid n-stearyl alcohol ester; the lubricant is N, N' -bi-ethylene 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 comprises the following steps:
Respectively weighing raw materials of an ASA resin layer, a PCTA resin layer and a POK resin layer in proportion, respectively and uniformly mixing at a rotation 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 into 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 feed inlet to each section of the machine head are as follows: the temperature of the first area is 220-250 ℃, the temperature of the second area is 210-255 ℃, the temperature of the third area is 220-250 ℃, the temperature of the fourth area is 220-250 ℃, the temperature of the fifth area is 220-250 ℃, the temperature of the sixth area is 220-250 ℃, the temperature of the seventh area is 220-245 ℃, the temperature of the eighth area is 220-245 ℃, the temperature of the machine head is 235-250 ℃, the rotating speed of the screw is 200-400 revolutions per minute, 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
As the ASA/PCTA/POK composite material provided by the embodiment of the invention, the ASA/PCTA/POK composite material 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 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 dispersing agent, 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 pentaerythritol tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 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 compatilizer of the ASA resin layer is ethylene-octene copolymer grafted maleic anhydride, the compatilizer of the PCTA resin layer is ethylene propylene diene monomer grafted maleic anhydride, and the compatilizer of the POK resin layer is hydrogenated styrene-butadiene block copolymer grafted maleic anhydride;
The preparation method of the ASA/PCTA/POK composite material comprises the following steps:
respectively weighing raw materials of an ASA resin layer, a PCTA resin layer and a POK resin layer in 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 into 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 feed inlet to each section of the machine head are as follows: the temperature of the first area is 220-250 ℃, the temperature of the second area is 210-255 ℃, the temperature of the third area is 220-250 ℃, the temperature of the fourth area is 220-250 ℃, the temperature of the fifth area is 220-250 ℃, the temperature of the sixth area is 220-250 ℃, the temperature of the seventh area is 220-245 ℃, the temperature of the eighth area is 220-245 ℃, the temperature of the machine head is 235-250 ℃, the rotating speed of the screw is 200-400 revolutions per minute, 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
As the ASA/PCTA/POK composite material provided by the embodiment of the invention, the ASA/PCTA/POK composite material 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: 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 dispersing agent, 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) propionic acid n-stearyl alcohol ester; the lubricant is N, N' -bi-ethylene 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 comprises the following steps:
Respectively weighing raw materials of an ASA resin layer, a PCTA resin layer and a POK resin layer in proportion, respectively and uniformly mixing at a rotation 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 into 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 feed inlet to each section of the machine head are as follows: the temperature of the first area is 220-250 ℃, the temperature of the second area is 210-255 ℃, the temperature of the third area is 220-250 ℃, the temperature of the fourth area is 220-250 ℃, the temperature of the fifth area is 220-250 ℃, the temperature of the sixth area is 220-250 ℃, the temperature of the seventh area is 220-245 ℃, the temperature of the eighth area is 220-245 ℃, the temperature of the machine head is 235-250 ℃, the rotating speed of the screw is 200-400 revolutions per minute, 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 that: 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 material.
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 that: 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 that: 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 present invention, the only difference between this comparative example and example 1 is: the PCTA resin layer in example 1 was replaced with a POK resin layer without including the PCTA resin layer to obtain an ASA/POK composite of this comparative example.
Comparative example 2
As an ABS/PCTA/POK composite material of the present invention, the only difference between this comparative example and example 1 is: the ABS/PCTA/POK composite material of this comparative example was obtained by replacing the ABA resin layer in example 1 with an ABS resin layer; 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 example 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 composite material
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, compared with comparative examples 1 to 2, at the same thickness.
Finally, it should be noted that the above-mentioned embodiments illustrate rather than limit the scope of the invention, and that those skilled in the art will understand that the technical scheme of the invention may be modified or equally substituted without departing from the spirit and scope of the technical scheme of the invention.
Claims (6)
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 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;
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 masterbatch, 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 is composed of 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 is composed of 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 light stabilizer is a mixture of a hindered amine light stabilizer and a benzotriazole-based ultraviolet absorber.
3. The composite material of claim 1, wherein the antioxidant is at least one of N-stearyl β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], octylated diphenylamine, N '-diisooctylp-phenylenediamine, tris [2, 4-di-tert-butylphenyl ] phosphite, dioctadecyl thiodipropionate, didecyl thiodipropionate, N' -salicylidenediamine.
4. The composite material of claim 1, wherein the lubricant is at least one of N, N' -bis-ethylene hard fatty acid amide, stearic acid amide or oleic acid amide, polyethylene wax, polypropylene wax, silicone.
5. The composite material of claim 1, wherein the dispersant is a mixture of polyethylene wax, fatty acid salt, and fatty amide.
6. The composite material 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, acrylate copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111644225.7A CN114290775B (en) | 2021-12-29 | 2021-12-29 | ASA/PCTA/POK composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111644225.7A CN114290775B (en) | 2021-12-29 | 2021-12-29 | ASA/PCTA/POK composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114290775A CN114290775A (en) | 2022-04-08 |
| CN114290775B true CN114290775B (en) | 2024-05-10 |
Family
ID=80972598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111644225.7A Active CN114290775B (en) | 2021-12-29 | 2021-12-29 | ASA/PCTA/POK composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114290775B (en) |
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 |
-
2021
- 2021-12-29 CN CN202111644225.7A patent/CN114290775B/en active Active
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114290775A (en) | 2022-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110408120B (en) | Antistatic spraying-free polypropylene composite material with low linear thermal expansion coefficient and preparation method thereof | |
| CN113388207B (en) | High-gloss scratch-resistant easy-spraying polypropylene composite material and preparation method and application thereof | |
| CN103102572A (en) | Polyolefin wood-plastic composite material and preparation method thereof | |
| CN102181093A (en) | Anti-scratching polypropylene composite material and preparation method thereof | |
| CN105504646A (en) | Spraying-free scratch resistant polypropylene composite material used for bumpers and preparation method thereof | |
| CN107200919A (en) | A kind of injection grade micro-foaming polypropylene composite material and preparation method thereof | |
| CN112724499A (en) | Special functional PE-based laminating material and preparation method and application thereof | |
| CN114591587A (en) | Polystyrene composite material and preparation method thereof | |
| CN104558833B (en) | Good polypropylene modified material of a kind of scratch performance and preparation method thereof | |
| CN111269581A (en) | Thermoplastic elastomer material and preparation method thereof | |
| CN111087691A (en) | High-performance high-surface-adhesion polypropylene material suitable for paint spraying and gluing and preparation method thereof | |
| KR101476057B1 (en) | Polypropylene resin composition for cloth-like | |
| CN109401165B (en) | Heat-resistant AES resin composition with tiger skin lines reduced or eliminated and preparation thereof | |
| CN114290775B (en) | ASA/PCTA/POK composite material and preparation method thereof | |
| CN107815024B (en) | Scratch-resistant PP (polypropylene) automobile special material and preparation method thereof | |
| CN111792876B (en) | SPC stone plastic floor material and floor thereof | |
| CN116160743B (en) | Wood-plastic composite material with high antistatic function and preparation method thereof | |
| CN113150437A (en) | High-brightness black scratch-resistant polypropylene composite material for vehicles and preparation method thereof | |
| CN110423461B (en) | Low-water-absorption flame-retardant glass fiber reinforced PA6 composite material and preparation method thereof | |
| CN116462910A (en) | Polypropylene composite material and preparation method and application thereof | |
| CN109776970A (en) | A kind of PP composite material for automobile interiors and preparation method thereof | |
| CN113861568B (en) | Polypropylene composite material and preparation method thereof | |
| CN109504023A (en) | A kind of thermoplastic elastomer (TPE) and preparation method thereof of adhesive glass | |
| CN111363338B (en) | Alloy section containing PET and PC and preparation method thereof | |
| CN113717471B (en) | High-surface tension polypropylene composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |