CN101759915A - 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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- CN101759915A CN101759915A CN200810207576A CN200810207576A CN101759915A CN 101759915 A CN101759915 A CN 101759915A CN 200810207576 A CN200810207576 A CN 200810207576A CN 200810207576 A CN200810207576 A CN 200810207576A CN 101759915 A CN101759915 A CN 101759915A
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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 the household appliance shell internal functional unit widely.But pending methyl group makes the tertiary carbon atom activation in the polypropylene molecular chain, makes polypropylene very responsive to heat, oxygen, light etc., degrades easily.At the characteristic of acrylic resin, when the preparation acrylic plastering, need in acrylic resin, add oxidation inhibitor and ultraviolet resistance auxiliary agent usually, 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 excellent 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 the inorganic filling polypropylene composite material of a kind of microwave oven, and this matrix material has favorable 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 said products contacts the hydrothermal solution of washing composition or washing powder for a long time, these oxidation inhibitor are easy to by the washings stripping of heat, thereby cause the heat aging property of above-mentioned polypropylene articles to descend significantly.
Summary of the invention
Technical problem to be solved by this invention provides a kind of polypropylene composite of detergent and hot water solution soakage-resistance, to overcome above-mentioned existing in prior technology defective contacts the plastic components of washing composition with needs such as solving washing machine, dishwasher an easily aging difficult problem.
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 is formed 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), new LDPE (film grade), linear low density polyethylene, ethylene-butene copolymer and the ethylene-octene copolymer.
Described filler is a kind of in lime carbonate and the talcum powder or the composition of the two; Described filler is preferable less than 10 μ m with particle diameter, with particle diameter less than 5 μ m optimums.
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, 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 the 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 the 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, in the washing composition hydrothermal solution, soak the identical time, its heatproof air aging performance is significantly improved, can prolong 5～12 times work-ing life, solved the easily 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 is formed 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 the 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.
Is doing further in detail of how realizing, explanation clearly and completely below in conjunction with specific embodiment to the present invention, and listed embodiment only gives further instruction to the present invention, and is not thereby limiting the invention.
Among the embodiment: acrylic resin is a homopolymer polypropylene; Toughner is ethylene-octene copolymer (POE); Filler is a kind of in lime carbonate and the talcum powder or the mixture of the two, 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)-and 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, 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; Processing aid is the mixture of calcium stearate and erucicamide, and the two uses by mixing in 1: 1.
The concrete prescription of each embodiment is shown in Table 1:
The concrete prescription of each embodiment correspondence of table 1.
| 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 |
| Oxidation inhibitor 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 the foregoing description preparation is injection molded into the standard tensile sample, specimen size is pressed iso standard, placing temperature then is that 90 ℃, concentration are 0.5% detergent solution, soak 400h, 800h and 1200h respectively, take out sample in different time points and place 150 ℃ ageing oven, 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 table 2 as seen: 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 prolong 5～12 times the work-ing life of the plastic components of contact washing composition such as existing washing machine, dishwasher.
Claims (10)
1. the polypropylene composite of a detergent and hot water solution soakage-resistance is characterized in that, it is formed 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.
2. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 1 is characterized in that, described acrylic resin is homopolymer polypropylene or propylene-alpha-olefin copolymers.
3. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 1, it is characterized in that described toughner is one or more the composition in high density polyethylene(HDPE), new LDPE (film grade), linear low density polyethylene, ethylene-butene copolymer and the ethylene-octene copolymer.
4. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 1 is characterized in that, described filler is a kind of in lime carbonate and the talcum powder or the composition of the two.
5. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 1 is characterized in that, described packing material size is less than 10 μ m.
6. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 5 is characterized in that, described packing material size is less than 5 μ m.
7. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 1 is characterized in that, described triazines oxidation inhibitor is 1,3,5-three (the 4-tertiary butyl-3-hydroxyl-2,6-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.
8. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 1, it is characterized in that, described 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, and the thioether kind antioxidant accounts for 30～45% of composite antioxidant gross weight.
9. 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 the silicoorganic compound.
10. the polypropylene composite of detergent and hot water solution soakage-resistance according to claim 9, 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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| CN101759915B CN101759915B (en) | 2013-06-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010545A (en) * | 2010-10-28 | 2011-04-13 | 金发科技股份有限公司 | Thermo-oxidative ageing resistance black filling polypropylene composite material and preparation method thereof |
| 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 |
| CN103073798A (en) * | 2011-10-25 | 2013-05-01 | 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 |
| CN103467855A (en) * | 2013-09-27 | 2013-12-25 | 天津金发新材料有限公司 | Black filling polypropylene composite and preparation method and application of same |
| CN111471234A (en) * | 2020-05-07 | 2020-07-31 | 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 |
| CN112358677A (en) * | 2020-10-27 | 2021-02-12 | 上海金发科技发展有限公司 | Super-lubricating polypropylene composition and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076274C (en) * | 1998-06-08 | 2001-12-19 | 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
- 2008-12-23 CN CN 200810207576 patent/CN101759915B/en active Active
Cited By (11)
| 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 |
| CN102010545A (en) * | 2010-10-28 | 2011-04-13 | 金发科技股份有限公司 | Thermo-oxidative ageing resistance black filling polypropylene composite material and preparation method thereof |
| 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 |
| CN103073798A (en) * | 2011-10-25 | 2013-05-01 | 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 |
| 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 |
| CN103467855A (en) * | 2013-09-27 | 2013-12-25 | 天津金发新材料有限公司 | Black filling polypropylene composite and preparation method and application of same |
| 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 |
| CN111471234A (en) * | 2020-05-07 | 2020-07-31 | 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 |
| 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 |
| CN112358677A (en) * | 2020-10-27 | 2021-02-12 | 上海金发科技发展有限公司 | Super-lubricating polypropylene composition and preparation method thereof |
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| CN101759915B (en) | 2013-06-05 |
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