CN102108156A - Compound polypropylene material for refrigerator drawers and preparation method thereof - Google Patents
Compound polypropylene material for refrigerator drawers and preparation method thereof Download PDFInfo
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- CN102108156A CN102108156A CN2009102472909A CN200910247290A CN102108156A CN 102108156 A CN102108156 A CN 102108156A CN 2009102472909 A CN2009102472909 A CN 2009102472909A CN 200910247290 A CN200910247290 A CN 200910247290A CN 102108156 A CN102108156 A CN 102108156A
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Abstract
The invention relates to a compound polypropylene material for refrigerator drawers, the material comprises the following components by weight percent: 50-85% of polypropylene (PP), 5-15% of polyolefine elastomer, 5-30% of inorganic minerals, 0.5-8% of silver-based antibacterial masterbatch, 0.1-1% of antioxidant and 0.1-0.5% of lubricant, and the preparation method comprises the following steps: weighing raw materials according to proportion by weight, sequentially placing the used raw materials into a high-speed mixing machine for mixing for 2-5 minutes, discharging, putting well mixed raw materials into a twin-screw extruder for extrusion and granulation, keeping the processing temperature of the twin-screw extruder at 180-220 DEG C, keeping the rotational speed of screws at 180-600 turns/minute, and finally getting a product. Compared with the prior art, the compound polypropylene material provided by the invention has the advantages of low cost, corrosion resistance, simple method and the like.
Description
Technical field
The present invention relates to a kind of refrigerator drawer material, especially relate to a kind of refrigerator drawer polypropylene composite material and preparation method thereof.
Background technology
Be extensive use of materials such as polystyrene, styrene-acrylonitrile and acrylonitrile-butadiene-styrene copolymer now on the market and make refrigerator drawer, but along with improving constantly of market and consumer demand, and some shortcomings of styrenic material inherent such as cost is higher, not resistance to chemical attack etc., make many refrigerator planners' sight invest polypropylene.
Polypropylene is inexpensive, light weight, corrosion-resistant, has good processibility, the mechanics harmony is good, applied range, has good thermotolerance, but in low temperature environment, but easily embrittlement and breaking, and polypropylene surface hardness is lower simultaneously, not scrape resistant.And general polymerization thing material itself does not have anti-microbial property, can produce bacterium and breeding within a certain period of time, influences the sanitary condition of material in the container.Therefore, can better be used for refrigerator environment, need badly now and want a kind of refrigerator drawer polypropylene dedicated material that can replace other materials in order to make polypropylene material.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of cost low, corrosion-resistant for the defective that overcomes above-mentioned prior art existence, simple refrigerator drawer polypropylene composite material of method and preparation method thereof.
Purpose of the present invention can be achieved through the following technical solutions: a kind of refrigerator drawer polypropylene composite material is characterized in that this material comprises following component and weight percentage:
Polypropylene (PP) 50-85%,
Polyolefin elastomer 5-15%,
Inorganic mineral 5-30%,
Silver is antibacterial matrices 0.5-8%,
Oxidation inhibitor 0.1-1%,
Lubricant 0.1-0.5%.
Described polypropylene (PP) is different mobile homo-polypropylenes and a kind of or its combination in the block copolymerization propylene, wherein the comonomer of block copolymerization propylene is an ethene, its content in the scope of 4-10mol%, melt flow rate (MFR) (230 ℃ * 2.16kg) be 5-30g/10min.
Described polyolefin elastomer is the vinyl linear copolymer.
Described polyolefin elastomer is ethylene-octene copolymer or ethylene-butene copolymer, and wherein octene or butene content are 20-30%, melt flow rate (MFR) (190 ℃ * 2.16kg) be 0.5-15g/10min, density 0.86-0.88g/cm
3
Described inorganic mineral is that particle size range is a kind of or its combination in talcum powder, lime carbonate or the barium sulfate of 1-10 micron, and wherein handle through silane coupling agent on the surface of inorganic mineral, 100 ℃ of high mixer temperature, and the treatment time is 5-10 minute.
Described silver is that antibacterial matrices is to be matrix resin with the polypropylene, has coated the phosphoric acid salt that is loaded with nano-silver ionic and has made, and its silver ion content is 40-60%.
Described oxidation inhibitor is the compound system of a kind of Hinered phenols antioxidant and phosphite ester kind antioxidant.
Described compound system is that mol ratio is antioxidant 1010/oxidation inhibitor 168 of 1: 1, and antioxidant 1010 is four [β-(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, and oxidation inhibitor 168 is (2,4 di-tert-butyl-phenyl) tris phosphite.
Described lubricant is fatty acid metal soap class or organic wax, can be a kind of or its combination in calcium stearate, Zinic stearas, barium stearate or the Magnesium Stearate, also can be that fatty acid metal soap class and organic wax are used in combination.
A kind of preparation method of refrigerator drawer polypropylene composite material is characterized in that, this method adopts one-step technology, specifically may further comprise the steps:
(1) take by weighing raw material by weight ratio: polypropylene (PP) 50-85%, polyolefin elastomer 5-15%, inorganic mineral 5-30%, silver are antibacterial matrices 0.5-8%, oxidation inhibitor 0.1-1%, lubricant 0.1-0.5%;
(2) put into successively high-speed mixer and mixing 2-5 minute raw materials used;
(3) discharging;
(4) mixed raw materials is put into the twin screw extruder extruding pelletization, the processing temperature of twin screw extruder is at 180-220 ℃, and screw speed is at 180-600 rev/min.
Compared with prior art, the present invention has the following advantages:
1. by the interaction of various components, the composite polypropylene material of preparing is fit to the refrigerator drawer environment for use, satisfies its required performance requriements simultaneously, can be used as the refrigerator drawer PP Pipe Compound and uses.
2. this product adopts one-step technology, is fit to process for processing, can extensively promote in enterprise, has producing feasibility.
3. this product cost is relatively low, helps refrigerator manufacturing firm and reduces cost, and has economic benefit.
4. this product has antibacterial, meets the requirement of people for food sanitation safe more.
Embodiment
The present invention will be further described below in conjunction with embodiment, but used embodiment just is used to illustrate the present invention rather than restriction the present invention.
Embodiment 1-6:
Polypropylene adopts the homo-polypropylene and the co-polypropylene of Korea S's import, that polyolefin elastomer adopts is the POE of the U.S., what inorganic mineral adopted is the home-made talcum powder, silver is that antibacterial matrices is the commercially available prod, its preparation method is to be matrix resin with the polypropylene, adopt conventional method, coated the phosphoric acid salt that is loaded with nano-silver ionic and made, its silver ion content is 40-60%., oxidation inhibitor is 168 and 1010 of CIBA company, lubricant adopts calcium stearate.
Product proportioning 1-6 table one
| Material name | Proportioning 1 (wt%) | Proportioning 2 (wt%) | Proportioning 3 (wt%) | Proportioning 4 (wt%) | Proportioning 5 (wt%) | Proportioning 6 (wt%) |
| Homo-polypropylene | 46.3 | 30 | -- | 35 | 71 | 40 |
| Co-polypropylene | 25 | 39.3 | 68.3 | 36 | -- | 31 |
| POE | 10 | 15 | 8 | 5 | 8 | 10 |
| Talcum powder | 15 | 10 | 15 | 20 | 15 | 10 |
| Silver is antibacterial matrices | 3 | 5 | 8 | 3 | 5 | 8 |
| 168/1010(1∶1) | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 |
| Calcium stearate | 0.3 | 0.3 | 0.3 | 0.5 | 0.5 | 0.5 |
Said components was put into high-speed mixer and mixing 2-5 minute in proportion, and the twin screw extruder extruding pelletization is used in discharging then, and processing temperature is at 180-220 ℃, and screw speed is at 180-600 rev/min.
| Processing interval | 1 district | 2 districts | 3 districts | 4 districts | 5 districts | 6 districts | 7 districts | 8 districts | 9 districts |
| Processing temperature ℃ | 180 | 200 | 215 | 215 | 215 | 215 | 215 | 210 | 200 |
According to the sample 1-6# that embodiment 1-6 makes, to carry out performance test and characterize, mechanical property adopts the ASTM standard, and the scrape resistant test is carried out with reference to GMW14688 in the surface, the sterilizing efficiency of germ resistance experiment secundum legem JISZ2801:2000 test sheet material.
The result is as follows:
Product mechanical property table two
Scraping and wiping resistance performance table three
Germ resistance test chart four
Embodiment 7
A kind of refrigerator drawer polypropylene composite material, this material comprises following starting material:
Commercially available polypropylene (PP): be different mobile homo-polypropylenes;
Commercially available polyolefin elastomer: ethylene-octene copolymer, wherein octene content is 20wt%, melt flow rate (MFR) (190 ℃ * 2.16kg) be 0.5g/10min, density 0.86g/cm
3
Commercially available inorganic mineral: particle size range is 1 micron a talcum powder, and handle through silane coupling agent on its talcous surface, 100 ℃ of high mixer temperature, and the treatment time is 5-10 minute;
Silver is antibacterial matrices: be to be matrix resin with the polypropylene, coated the sodium phosphate that is loaded with nano-silver ionic and made that its silver ion content is 40%;
Oxidation inhibitor: be the compound system of a kind of Hinered phenols antioxidant and phosphite ester kind antioxidant, this compound system is that mol ratio is the mixture of antioxidant 1010/oxidation inhibitor 168 of 1: 1;
Commercially available lubricant: Zinic stearas
A kind of preparation method of refrigerator drawer polypropylene composite material, this method adopts one-step technology, specifically may further comprise the steps:
(1) take by weighing raw material by weight ratio: polypropylene (PP) 50%, polyolefin elastomer 15%, inorganic mineral 30%, silver are antibacterial matrices 3.5%, oxidation inhibitor 1%, Zinic stearas 0.5%;
(2) put into high-speed mixer and mixing successively 2 minutes with raw materials used;
(3) discharging;
(4) mixed raw materials is put into the twin screw extruder extruding pelletization, the processing temperature of twin screw extruder is at 180 ℃, and screw speed is at 180 rev/mins.
Embodiment 8
A kind of refrigerator drawer polypropylene composite material, this material comprises following starting material:
Commercially available polypropylene (PP): in different mobile block copolymerization propylene, wherein the comonomer of block copolymerization propylene is an ethene, its content in the scope of 4mol%, melt flow rate (MFR) (230 ℃ * 2.16kg) be 30g/10min;
Commercially available polyolefin elastomer: ethylene-butene copolymer, wherein butene content is 30%, melt flow rate (MFR) (190 ℃ * 2.16kg) be 15g/10min, density 0.88g/cm
3
Commercially available inorganic mineral: particle size range is 10 microns a talcum powder, and handle through silane coupling agent on its talcous surface, 100 ℃ of high mixer temperature, and the treatment time is 5-10 minute;
Silver is antibacterial matrices: be to be matrix resin with the polypropylene, coated the potassiumphosphate that is loaded with nano-silver ionic and made that its silver ion content is 60%;
Oxidation inhibitor: be the compound system of a kind of Hinered phenols antioxidant and phosphite ester kind antioxidant, this compound system is that mol ratio is the mixture of antioxidant 1010/oxidation inhibitor 168 of 1: 1, antioxidant 1010 is four [β-(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, oxidation inhibitor 168 is (2,4 di-tert-butyl-phenyl) tris phosphite;
Commercially available lubricant: the combination of barium stearate and Magnesium Stearate.
A kind of preparation method of refrigerator drawer polypropylene composite material, this method adopts one-step technology, specifically may further comprise the steps:
(1) take by weighing raw material by weight ratio: polypropylene (PP) 85%, polyolefin elastomer 5%, inorganic mineral 9.3%, silver are antibacterial matrices 0.5%, oxidation inhibitor 0.1%, lubricant 0.1%;
(2) put into high-speed mixer and mixing successively 5 minutes with raw materials used;
(3) discharging;
(4) mixed raw materials is put into the twin screw extruder extruding pelletization, the processing temperature of twin screw extruder is at 220 ℃, and screw speed is at 600 rev/mins.
Embodiment 9
A kind of refrigerator drawer polypropylene composite material, this material comprises following starting material:
Commercially available polypropylene (PP): be a kind of or its combination in the different mobile block copolymerization propylene, wherein the comonomer of block copolymerization propylene is an ethene, its content in the scope of 6mol%, melt flow rate (MFR) (230 ℃ * 2.16kg) be 10g/10min;
Commercially available polyolefin elastomer: ethylene-octene copolymer, wherein octene content is 25%, melt flow rate (MFR) (190 ℃ * 2.16kg) be 10g/10min, density 0.87g/cm
3
Commercially available inorganic mineral: particle size range is a kind of or its combination in 8 microns talcum powder, lime carbonate or the barium sulfate, and handle through silane coupling agent on its surface, 100 ℃ of high mixer temperature, and the treatment time is 5-10 minute;
Silver is antibacterial matrices: be to be matrix resin with the polypropylene, coated the primary ammonium phosphate that is loaded with nano-silver ionic and made that its silver ion content is 50%;
Oxidation inhibitor: be the compound system of a kind of Hinered phenols antioxidant and phosphite ester kind antioxidant, this compound system is that mol ratio is the mixture of antioxidant 1010/oxidation inhibitor 168 of 1: 1, antioxidant 1010 is four [β-(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, oxidation inhibitor 168 is (2,4 di-tert-butyl-phenyl) tris phosphite;
Commercially available lubricant: Magnesium Stearate
A kind of preparation method of refrigerator drawer polypropylene composite material, this method adopts one-step technology, specifically may further comprise the steps:
(1) take by weighing raw material by weight ratio: polypropylene (PP) 76%, polyolefin elastomer 10%, inorganic mineral 5%, silver are antibacterial matrices 8%, oxidation inhibitor 0.5%, lubricant 0.5%;
(2) put into high-speed mixer and mixing successively 3 minutes with raw materials used;
(3) discharging;
(4) mixed raw materials is put into the twin screw extruder extruding pelletization, the processing temperature of twin screw extruder is at 200 ℃, and screw speed is at 350 rev/mins.
Claims (10)
1. a refrigerator drawer polypropylene composite material is characterized in that, this material comprises following component and weight percentage:
Polypropylene (PP) 50-85%,
Polyolefin elastomer 5-15%,
Inorganic mineral 5-30%,
Silver is antibacterial matrices 0.5-8%,
Oxidation inhibitor 0.1-1%,
Lubricant 0.1-0.5%.
2. a kind of refrigerator drawer polypropylene composite material according to claim 1, it is characterized in that, described polypropylene (PP) is different mobile homo-polypropylenes and a kind of or its combination in the block copolymerization propylene, wherein the comonomer of block copolymerization propylene is an ethene, its content in the scope of 4-10mol%, melt flow rate (MFR) (230 ℃ * 2.16kg) be 5-30g/10min.
3. a kind of refrigerator drawer polypropylene composite material according to claim 1 is characterized in that described polyolefin elastomer is the vinyl linear copolymer.
4. a kind of refrigerator drawer polypropylene composite material according to claim 3, it is characterized in that, described polyolefin elastomer is ethylene-octene copolymer or ethylene-butene copolymer, wherein octene or butene content are 20-30%, melt flow rate (MFR) (190 ℃ * 2.16kg) be 0.5-15g/10min, density 0.86-0.88g/cm
3
5. a kind of refrigerator drawer polypropylene composite material according to claim 1 is characterized in that, described inorganic mineral is that particle size range is a kind of or its combination in talcum powder, lime carbonate or the barium sulfate of 1-10 micron.
6. a kind of refrigerator drawer polypropylene composite material according to claim 1 is characterized in that, described silver is that antibacterial matrices is to be matrix resin with the polypropylene, has coated the phosphoric acid salt that is loaded with nano-silver ionic and has made, and its silver ion content is 40-60%.
7. a kind of refrigerator drawer polypropylene composite material according to claim 1 is characterized in that described oxidation inhibitor is the compound system of a kind of Hinered phenols antioxidant and phosphite ester kind antioxidant.
8. a kind of refrigerator drawer polypropylene composite material according to claim 7, it is characterized in that, described compound system is that mol ratio is antioxidant 1010/oxidation inhibitor 168 of 1: 1, antioxidant 1010 is four [β-(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester, oxidation inhibitor 168 is (2,4 di-tert-butyl-phenyl) tris phosphite.
9. a kind of refrigerator drawer polypropylene composite material according to claim 1, it is characterized in that, described lubricant is fatty acid metal soap class or organic wax, can be a kind of or its combination in calcium stearate, Zinic stearas, barium stearate or the Magnesium Stearate, also can be that fatty acid metal soap class and organic wax are used in combination.
10. the preparation method of a refrigerator drawer polypropylene composite material as claimed in claim 1 is characterized in that, this method adopts one-step technology, specifically may further comprise the steps:
(1) take by weighing raw material by weight ratio: polypropylene (PP) 50-85%, polyolefin elastomer 5-15%, inorganic mineral 5-30%, silver are antibacterial matrices 0.5-8%, oxidation inhibitor 0.1-1%, lubricant 0.1-0.5%;
(2) put into successively high-speed mixer and mixing 2-5 minute raw materials used;
(3) discharging;
(4) mixed raw materials is put into the twin screw extruder extruding pelletization, the processing temperature of twin screw extruder is at 180-220 ℃, and screw speed is at 180-600 rev/min.
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| CN2009102472909A CN102108156A (en) | 2009-12-28 | 2009-12-28 | Compound polypropylene material for refrigerator drawers and preparation method thereof |
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| CN2009102472909A CN102108156A (en) | 2009-12-28 | 2009-12-28 | Compound polypropylene material for refrigerator drawers and preparation method thereof |
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| CN102108156A true CN102108156A (en) | 2011-06-29 |
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| CN103113676A (en) * | 2013-03-11 | 2013-05-22 | 马鞍山正得塑料科技有限公司 | Bonding modified polypropylene material special for refrigerator |
| CN103304886A (en) * | 2013-06-20 | 2013-09-18 | 苏州禾昌聚合材料股份有限公司 | Talcum powder master batch and preparation method thereof |
| CN103467817A (en) * | 2013-08-23 | 2013-12-25 | 吴江市天源塑胶有限公司 | Anti-bacterial PE plastic |
| CN103709519A (en) * | 2012-10-09 | 2014-04-09 | 滁州格美特科技有限公司 | Modified polypropylene material and preparation method thereof |
| CN103724808A (en) * | 2013-12-30 | 2014-04-16 | 安徽科聚新材料有限公司 | Photodiffusion antibacterial polypropylene material and preparation method thereof as well as illuminating lamp prepared therefrom |
| CN104119602A (en) * | 2013-04-29 | 2014-10-29 | 贵州千叶塑胶有限公司 | Polypropylene container lid and preparation method thereof |
| CN104479217A (en) * | 2014-11-20 | 2015-04-01 | 苏州新区佳合塑胶有限公司 | Fridge drawer material |
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| CN106750958A (en) * | 2016-12-27 | 2017-05-31 | 上海普利特复合材料股份有限公司 | It is a kind of comprising low cost, efficiently, composite of broad-spectrum antibiotic polypropylene functional agglomerate and preparation method thereof |
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| CN115490962A (en) * | 2022-10-19 | 2022-12-20 | 长虹美菱股份有限公司 | Composite material for drawer of refrigerator and preparation method thereof |
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| CN103113676A (en) * | 2013-03-11 | 2013-05-22 | 马鞍山正得塑料科技有限公司 | Bonding modified polypropylene material special for refrigerator |
| CN103113676B (en) * | 2013-03-11 | 2015-11-18 | 马鞍山正得塑料科技有限公司 | A kind of refrigerator PP Pipe Compound of bound modified PP |
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| CN104479217A (en) * | 2014-11-20 | 2015-04-01 | 苏州新区佳合塑胶有限公司 | Fridge drawer material |
| CN104910486A (en) * | 2015-05-29 | 2015-09-16 | 苏州博利迈新材料科技有限公司 | Antimicrobial deodorizing plastic for refrigerators and preparation method thereof |
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| CN105837939A (en) * | 2016-04-27 | 2016-08-10 | 宁波高新区夏远科技有限公司 | Composite antibacterial plastic for refrigerator and preparation method of composite antibacterial plastic |
| CN106750958A (en) * | 2016-12-27 | 2017-05-31 | 上海普利特复合材料股份有限公司 | It is a kind of comprising low cost, efficiently, composite of broad-spectrum antibiotic polypropylene functional agglomerate and preparation method thereof |
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| CN111829280B (en) * | 2020-08-12 | 2021-10-08 | 长虹美菱股份有限公司 | Refrigerator storing special area |
| CN115926310A (en) * | 2022-03-09 | 2023-04-07 | 江苏永顺新材料科技有限公司 | Low-temperature-resistant polyethylene composite material and application thereof in refrigerator drawer |
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| CN115612212A (en) * | 2022-11-01 | 2023-01-17 | 长虹美菱股份有限公司 | Refrigerator drawer composite material with rock plate appearance effect and preparation method thereof |
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Application publication date: 20110629 |