CN101759915B - Detergent and hot water solution soakage-resistance polypropylene composite - Google Patents
Detergent and hot water solution soakage-resistance polypropylene composite Download PDFInfo
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- CN101759915B CN101759915B CN 200810207576 CN200810207576A CN101759915B CN 101759915 B CN101759915 B CN 101759915B CN 200810207576 CN200810207576 CN 200810207576 CN 200810207576 A CN200810207576 A CN 200810207576A CN 101759915 B CN101759915 B CN 101759915B
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- 239000002131 composite material Substances 0.000 title claims abstract description 40
- -1 polypropylene Polymers 0.000 title claims abstract description 34
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 30
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 29
- 239000003599 detergent Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 37
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 37
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 150000003568 thioethers Chemical class 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 10
- 150000008301 phosphite esters Chemical class 0.000 claims abstract description 10
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 22
- 239000003112 inhibitor Substances 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 13
- 239000004925 Acrylic resin Substances 0.000 claims description 12
- 229920000178 Acrylic resin Polymers 0.000 claims description 12
- 150000003918 triazines Chemical class 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 7
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 4
- 239000008116 calcium stearate Substances 0.000 claims description 4
- 235000013539 calcium stearate Nutrition 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- FEEPBTVZSYQUDP-UHFFFAOYSA-N heptatriacontanediamide Chemical compound NC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(N)=O FEEPBTVZSYQUDP-UHFFFAOYSA-N 0.000 claims description 2
- 229920001519 homopolymer Polymers 0.000 claims description 2
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 2
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 2
- 150000002632 lipids Chemical class 0.000 claims description 2
- 229920001684 low density polyethylene Polymers 0.000 claims description 2
- 239000004702 low-density polyethylene Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- KWUZCAVKPCRJPO-UHFFFAOYSA-N n-ethyl-4-(6-methyl-1,3-benzothiazol-2-yl)aniline Chemical compound C1=CC(NCC)=CC=C1C1=NC2=CC=C(C)C=C2S1 KWUZCAVKPCRJPO-UHFFFAOYSA-N 0.000 claims description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- 239000004711 α-olefin Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 12
- 230000032683 aging Effects 0.000 abstract description 8
- 239000004033 plastic Substances 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 abstract 1
- 238000004851 dishwashing Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 14
- 230000003679 aging effect Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 230000003245 working effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000006750 UV protection Effects 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
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a detergent and hot water solution soakage-resistance polypropylene composite, which comprises the following components in percentage by weight: polypropylene resin 50-80, flexibilizer 0-15, filler 5-40, composite antioxidant 0.5-1.5 and processing aid 0.2-0.8, wherein the melt index of the polypropylene resin under test conditions of a temperature of 230 DEG C and a mass of 2.16KG is 2 to 40g/10min; and the composite antioxygen is a composite of a triazine antioxygen, a phosphite ester antioxygen and a thioether antioxygen. Compared with the prior art, the detergent and hot water solution soakage-resistance polypropylene composite has obviously improved heat resistance, aging resistance and oxidization resistance under the condition of the same detergent and hot water solution soakage time and has a service life prolonged by 5 to 12 times. The easy aging problem of the plastic parts, needing to contact detergent directly, of a washing machine, a dish-washing machine and the like in the prior art is solved.
Description
Technical field
The present invention relates to a kind of polypropylene composite, specifically, relates to a kind of polypropylene composite of detergent and hot water solution soakage-resistance, belongs to technical field of polymer composite materials.
Background technology
Polypropylene is as a kind of general-purpose plastics, has that proportion is little, processibility good, environmental stress crack resistance is good, an advantage such as good heat resistance and anti-various chemical solventss, is used as widely the household appliance shell internal functional unit.But in polypropylene molecular chain, pending methyl group makes the tertiary carbon atom activation, makes polypropylene very responsive to heat, oxygen, light etc., easily degrades.For the characteristic of acrylic resin, usually need to add oxidation inhibitor and ultraviolet resistance auxiliary agent in acrylic resin when the preparation acrylic plastering, to improve the work-ing life of polypropylene plastics products; By adding Hinered phenols, phosphorous acid esters and thioether kind antioxidant to improve the polypropylene heatproof air aging performance.For example: Chinese patent CN1361197A discloses a kind of hot-water line with polypropylene composite and manufacture method thereof, and this mixture has good mechanical property, high temperature resistant creep property, heat aging property, is mainly used in the hot water pipeline system with tubing and pipe fitting; Chinese patent CN1306036 discloses a kind of microwave oven inorganic fill polypropylene composite material, and this matrix material has good rigidity and heat-drawn wire, toughness, dimensional stability and heat aging property preferably.But above patent has all only been considered the thermal-oxidative aging property that polypropylene composite is simple, when the hydrothermal solution of said products Long Term Contact washing composition or washing powder, these oxidation inhibitor are easy to by the washings stripping of heat, thereby cause the heat aging property of above-mentioned polypropylene articles significantly to descend.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of polypropylene composite of detergent and hot water solution soakage-resistance, contacts easy the to be aging difficult problem of the plastic components of washing composition with needs such as solving washing machine, dishwasher to overcome the existing defective of above-mentioned prior art.
For achieving the above object, the technical solution used in the present invention is as follows:
The polypropylene composite of detergent and hot water solution soakage-resistance of the present invention, it forms and respectively to form weight percent as follows:
Acrylic resin 50%～80%
Toughner 0%～15%
Filler 5%～40%
Composite antioxidant 0.5%～1.5%
Processing aid 0.2%～0.8%
Wherein: the melting index of acrylic resin under 230 ℃, 2.16KG test condition is 2～40g/10min; Composite antioxidant is the mixture of triazines oxidation inhibitor, phosphite ester kind antioxidant and thioether kind antioxidant.
Described acrylic resin optimization polypropylene homopolymer or propylene-alpha-olefin copolymers.
Described toughner is one or more the composition in high density polyethylene(HDPE), Low Density Polyethylene, linear low density polyethylene, ethylene-butene copolymer and ethylene-octene copolymer.
Described filler is the composition of the one or both in calcium carbonate and talcum powder; Described filler is better less than 10 μ m with particle diameter, and is optimum less than 5 μ m with particle diameter.
Described triazines oxidation inhibitor is preferred 1,3,5-three (the 4-tertiary butyl-3-hydroxyl-2, the 6-dimethyl benzyl) 1,3,5-triazine-2,4,6-(1H, 3H, 5H)-triketone, phosphite ester kind antioxidant preferred three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, the preferred Tyox B of thioether kind antioxidant or thio-2 acid two (18) ester; Described triazines oxidation inhibitor accounts for 20～40% of composite antioxidant gross weight, and phosphite ester kind antioxidant accounts for 25～40% of composite antioxidant gross weight, and the thioether kind antioxidant accounts for 30～45% of composite antioxidant gross weight.
Described processing aid is one or more the composition in low-molecular-weight wax class, lipid acid and ester class, fatty acid amide, metallic soap and silicoorganic compound, preferred low-molecular polyethylene wax, calcium stearate, Zinic stearas, erucicamide, methylene bis stearic amide and N, the composition of one or more in the N-ethylene bis stearic acid amide.
The preparation technology of the polypropylene composite of detergent and hot water solution soakage-resistance of the present invention is as follows:
At first acrylic resin, toughner, filler, composite antioxidant and processing aid are mixed after by the proportioning weighing; Then above-mentioned miscellany is added in twin screw extruder melt extrude, tie rod, cooling, pelletizing, dry getting final product; Wherein: the length-to-diameter ratio of twin screw extruder is 32: 1～40: 1, and extrusion temperature is 180～240 ℃, and screw speed is 350～450 rev/mins.
Compared with prior art, the polypropylene composite of detergent and hot water solution soakage-resistance of the present invention, soak same time in the washing composition hydrothermal solution, its heatproof air aging performance is significantly improved, can extend 5～12 times work-ing life, solved easy the to be aging difficult problem that existing washing machine, dishwasher etc. need the plastic components of contact washing composition.
Embodiment
The polypropylene composite of detergent and hot water solution soakage-resistance of the present invention, it forms and respectively to form weight percent as follows:
Acrylic resin 50%～80%
Toughner 0%～15%
Filler 5%～40%
Composite antioxidant 0.5%～1.5%
Processing aid 0.2%～0.8%
Wherein: the melting index of acrylic resin under 230 ℃, 2.16KG test condition is 2～40g/10min; Composite antioxidant is the mixture of triazines oxidation inhibitor, phosphite ester kind antioxidant and thioether kind antioxidant.
The preparation technology of the polypropylene composite of described detergent and hot water solution soakage-resistance is as follows:
At first acrylic resin, toughner, filler, composite antioxidant and processing aid are mixed after by the proportioning weighing; Then above-mentioned miscellany is added in twin screw extruder melt extrude, tie rod, cooling, pelletizing, dry getting final product; Wherein: the length-to-diameter ratio of twin screw extruder is 32: 1～40: 1, and extrusion temperature is 180～240 ℃, and screw speed is 350～450 rev/mins.
Be doing further in detail, illustrating clearly and completely of how realizing below in conjunction with specific embodiment to the present invention, listed embodiment only is further described the present invention, and is not thereby limiting the invention.
in embodiment: acrylic resin is homopolymer polypropylene, toughner is ethylene-octene copolymer (POE), filler is the mixture of the one or both in calcium carbonate and talcum powder, and packing material size is less than 5 μ m, composite antioxidant is AO-1790[1, 3, 5-three (the 4-tertiary butyl-3-hydroxyl-2, the 6-dimethyl benzyl) 1, 3, 5-triazine-2, 4, 6-(1H, 3H, 5H)-triketone] Irganox168[three (2 of triazines oxidation inhibitor and CIBA company, the 4-di-tert-butyl-phenyl) phosphorous acid ester] phosphite ester kind antioxidant and DLTDP[Tyox B] mixture of thioether kind antioxidant, wherein: triazines oxidation inhibitor accounts for 20～40% of composite antioxidant gross weight, phosphite ester kind antioxidant accounts for 25～40% of composite antioxidant gross weight, the thioether kind antioxidant accounts for 30～45% of composite antioxidant gross weight, processing aid is the mixture of calcium stearate and erucicamide, both mixes by 1: 1 and uses.
The concrete formula of each embodiment is shown in Table 1:
The concrete formula that each embodiment of table 1. is corresponding
| The component title | Reference examples | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 |
| Homopolymerization PP | 68.5 | 78.6 | 73.5 | 68.5 | 58.5 | 53.0 | 63.4 | 53.2 | 78.0 | 78.3 | 78.3 |
| Toughner POE | 10 | 15 | 15 | 10 | 10 | 5 | 15 | 5 | / | / | / |
| The filler talcum powder | 20 | 5 | 10 | 20 | 30 | 40 | / | 20 | 20 | / | 20 |
| Filler-calcium carbonate | / | / | / | / | / | / | 20 | 20 | / | 20 | / |
| Antioxidant 1010 | 0.3 | / | / | / | / | / | / | / | / | / | / |
| Oxidation inhibitor 1790 | / | 0.2 | 0.3 | 0.3 | 0.2 | 0.4 | 0.3 | 0.4 | 0.4 | 0.3 | 0.4 |
| Irgasfos 168 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.3 | 0.4 | 0.4 | 0.4 | 0.3 |
| Oxidation inhibitor DLTDP | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.6 | 0.4 | 0.4 | 0.6 | 0.4 | 0.4 |
| Calcium stearate | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Erucicamide | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
The mixture of above-described embodiment preparation is injection molded into the standard tensile sample, specimen size is pressed iso standard, then be placed in temperature and be 90 ℃, concentration and be 0.5% detergent solution, soak respectively 400h, 800h and 1200h, take out sample in different time points and be placed in the ageing oven of 150 ℃, observe the time that macroscopic crackle appears in specimen surface.The ventilation frequency of ageing oven is 30 times/hour; Temperature fluctuation range is ± 0.5 ℃, and has overtemperature prote and warning device; The work room temp is even, and the temperature distribution deviation is ± 2 ℃.The concrete test-results of each embodiment is shown in Table 2:
The weathering test result of each embodiment sample of table 2.
By as seen from Table 2: the polypropylene composite of detergent and hot water solution soakage-resistance of the present invention, the thermal-oxidative aging property that anti-washing composition hydrothermal solution soaks is significantly improved, and can make extend 5～12 times the work-ing life of the plastic components of the contact washing composition such as existing washing machine, dishwasher.
Claims (3)
1. the polypropylene composite of a detergent and hot water solution soakage-resistance, is characterized in that, it forms and each
Form weight percent as follows:
Wherein: the melting index of acrylic resin under 230 ℃, 2.16KG test condition is 2～40g/10min;
Composite antioxidant is the mixture of triazines oxidation inhibitor, phosphite ester kind antioxidant and thioether kind antioxidant; Described triazines oxidation inhibitor accounts for 20～40% of composite antioxidant gross weight, and phosphite ester kind antioxidant accounts for 25～40% of composite antioxidant gross weight, and the thioether kind antioxidant accounts for 30～45% of composite antioxidant gross weight;
Described acrylic resin is homopolymer polypropylene or propylene-alpha-olefin copolymers;
Described toughner is one or more the composition in high density polyethylene(HDPE), Low Density Polyethylene, linear low density polyethylene, ethylene-butene copolymer and ethylene-octene copolymer;
Described filler is the composition of the one or both in calcium carbonate and talcum powder; Packing material size is less than 5 μ m;
Described triazines oxidation inhibitor is 1,3,5-three (the 4-tertiary butyl-3-hydroxyl-2, the 6-dimethyl benzyl) 1,3,5-triazine-2,4,6-(1H, 3H, 5H)-triketone, phosphite ester kind antioxidant is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, thioether kind antioxidant are Tyox B or thio-2 acid two (18) ester.
2. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 1, it is characterized in that, described processing aid is one or more the composition in low-molecular-weight wax class, lipid acid and ester class, fatty acid amide, metallic soap and silicoorganic compound.
3. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 1, it is characterized in that, described processing aid is low-molecular polyethylene wax, calcium stearate, Zinic stearas, erucicamide, methylene bis stearic amide and N, the composition of one or more in the N'-ethylene bis stearic acid amide.
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| CN 200810207576 CN101759915B (en) | 2008-12-23 | 2008-12-23 | Detergent and hot water solution soakage-resistance polypropylene composite |
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| CN 200810207576 CN101759915B (en) | 2008-12-23 | 2008-12-23 | Detergent and hot water solution soakage-resistance polypropylene composite |
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| CN101759915A CN101759915A (en) | 2010-06-30 |
| CN101759915B true CN101759915B (en) | 2013-06-05 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206376A (en) * | 2010-03-31 | 2011-10-05 | 上海金发科技发展有限公司 | Polypropylene material filled with inorganic mineral powder, and its preparation method and application |
| CN102336954A (en) * | 2010-07-19 | 2012-02-01 | 哈尔滨鑫达高分子材料工程中心有限责任公司 | Matte scratch-resistant modified polypropylene composite material for interior trim of automobile |
| CN102010545B (en) * | 2010-10-28 | 2012-10-10 | 金发科技股份有限公司 | Thermo-oxidative aging resistance black filling polypropylene composite material and preparation method thereof |
| CN103073798B (en) * | 2011-10-25 | 2015-05-13 | 中国石油化工股份有限公司 | Polypropylene composition for plastic inner container of water heater and preparation method thereof |
| CN103467855B (en) * | 2013-09-27 | 2016-02-10 | 天津金发新材料有限公司 | A kind of filled black polypropylene composite material and its preparation method and application |
| CN111471234B (en) * | 2020-05-07 | 2022-04-22 | 广州市聚赛龙工程塑料股份有限公司 | Durable anti-aging antibacterial polypropylene composite material for automotive interior and preparation method thereof |
| CN112358677B (en) * | 2020-10-27 | 2023-02-03 | 上海金发科技发展有限公司 | Super-lubricating polypropylene composition and preparation method thereof |
| CN116462906A (en) * | 2023-03-21 | 2023-07-21 | 杭州金州高分子科技有限公司 | High-performance polypropylene composite material for dish-washing machine and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238260A (en) * | 1998-06-08 | 1999-12-15 | 上海杰事杰新材料股份有限公司 | Method for manufacturing internal cavity of bowl washer |
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- 2008-12-23 CN CN 200810207576 patent/CN101759915B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238260A (en) * | 1998-06-08 | 1999-12-15 | 上海杰事杰新材料股份有限公司 | Method for manufacturing internal cavity of bowl washer |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-256953A 2000.09.19 |
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