CN104829964A - Modified plastic with high tensile strength and good weatherability and manufacturing method thereof - Google Patents
Modified plastic with high tensile strength and good weatherability and manufacturing method thereof Download PDFInfo
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- CN104829964A CN104829964A CN201510207241.8A CN201510207241A CN104829964A CN 104829964 A CN104829964 A CN 104829964A CN 201510207241 A CN201510207241 A CN 201510207241A CN 104829964 A CN104829964 A CN 104829964A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a modified plastic with high tensile strength and good weatherability and a manufacturing method thereof. The modified plastic is composed of the following raw materials in parts by weight: 65 to 70 parts of polyvinyl chloride, 15 to 20 parts of nylon 12, 20 to 25 parts of polycarbonate, 4 to 8 parts of nano tin-antimony oxide, 1 to 2 parts of nano titanium dioxide, 2 to 3 parts of gutter oil, 0.3 to 0.7 part of 12-hydroxystearic acid, 1 to 3 parts of aluminum silicate ceramic fiber, 2 to 4 parts of plasticized starch, 0.1 to 0.3 part of tungsten disulfide, 0.6 to 1.5 parts of maleic anhydride grafted polyethylene, and a proper amount of waterless ethanol. The modified plastic has the advantages of high toughness, high bending strength, strong tensile performance, large tear strength, good weatherability, low cost, and easy moulding. The modified plastic can be made into plastic films for building vegetable greenhouse, and the plastic film has the advantages of strong low-temperature resistant performance, prominent thermal insulation effect, self-cleaning and antibacterial performance, and high light transmittance.
Description
Technical field
The present invention relates to plastics modification technology field, be specifically related to good modified plastics of a kind of tensile strength high-weatherability and preparation method thereof.
Background technology
China is vast in territory, weather is complicated, plastic greenhouse is utilized to carry out the facility cultivation of vegetables, special vital role is served to the disparities between supply and demand alleviating vegetables dull seasons, there is significant social benefit and huge economic benefit, for the special plastics film of plastic greenhouse that agriculture production is built, require its transmittance, insulation, tension and the aspect such as ageing-resistant performance be all better than ordinary agricultural membrane, prior art cannot meet these requirements, need to conventional plastic in addition modification obtain modified plastics.Modified plastics refers on the basis of general-purpose plastics and engineering plastics, through filling, the method processing such as blended, enhancing, improves the plastics of the performance of the aspects such as flame retardant resistance, intensity, shock resistance, toughness.
Nano antimony tin oxide powder is the super-fine material that particle size is less than 100nm, it is a kind of N-type semiconductor material, compared with traditional antistatic material, nano antimony tin oxide powder has obvious advantage, being mainly manifested in the aspects such as good electroconductibility, weathering resistance, stability, light-coloured transparent and low infrared emittance, is the extremely potential Multifunction electro-conductive material of one and lagging material; Nanometer titanium dioxide, be the super-fine material that particle size is less than 100nm also known as nano titanium oxide, its outward appearance is fluffy white powder, has uvioresistant, antibacterial, self-cleaning, anti-aging effect.Applications to nanostructures is that the modification of polymer materials opens up a new way, also for design, preparation high-performance, multifunctional plastic are laid a good foundation, the interfacial energy of nano antimony tin oxide powder and nanometer titanium dioxide is very large, is in energy unsteady state.
For solving an above difficult problem, being necessary to prepare the comprehensive modified plastics of a kind of new function, through being blow molded into the plastics film with performances such as good heat-insulation and heat-preservation, toughness are large, intensity is high, and being widely used in the plastic greenhouse covering material of winter production vegetables.
Summary of the invention
Object of the present invention is just to provide good modified plastics of a kind of tensile strength high-weatherability and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The modified plastics that a kind of tensile strength high-weatherability is good, it is characterized in that, be made up of the raw material of following weight part: polyvinyl chloride 65-70, nylon 12 15-20, polycarbonate 20-25, nano antimony tin oxide 4-8, nanometer titanium dioxide 1-2, sewer oil 2-3, ten dihydroxystearic acid 0.3-0.7, alumina-silicate ceramic fibre 1-3, plasticized starch 2-4, tungsten disulfide 0.1-0.3, maleic anhydride grafted polyethylene 0.6-1.5, dehydrated alcohol are appropriate.
The preparation method of the modified plastics that described a kind of tensile strength high-weatherability is good, is characterized in that comprising the following steps:
(1) by nano antimony tin oxide, nanometer titanium dioxide calcination processing 30-50 minute at 590-810 DEG C, there-necked flask is put in cooling, add dehydrated alcohol, maleic anhydride grafted polyethylene stirs, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;
(2) by adding alumina-silicate ceramic fibre in the said products, plasticized starch is uniformly mixed, obtained mixed powder;
(3) polyvinyl chloride, nylon 12, polycarbonate are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, tungsten disulfide and other remaining component blending dispersion 15-20 minute, take out and pour in twin screw extruder, extrude by working specification; through granulator granulation, discharging.
The present invention has following beneficial effect: nano material is first added coupling agent stir-activating by the present invention, mix with auxiliary agent grafting such as polyvinyl chloride, nylon 12, polycarbonate, tungsten disulfide, alumina-silicate ceramic fibres again, then granulation is melt extruded through twin screw extruder, obtained plastics good toughness, flexural strength is high, tensile property is high, tear strength is large, good weatherability, cost are low, easy-formation, deep processing becomes plastics film for green house of vegetables, have that lower temperature resistance is strong, effect of heat insulation obviously, self-cleaning antibacterial, transmittance advantages of higher.
Embodiment
The modified plastics that described a kind of tensile strength high-weatherability is good, it is characterized in that, be made up of the raw material of following weight part: polyvinyl chloride 68, nylon 12 15, polycarbonate 20, nano antimony tin oxide 5, nanometer titanium dioxide 1, sewer oil 3, ten dihydroxystearic acid 0.6, alumina-silicate ceramic fibre 1, plasticized starch 4, tungsten disulfide 0.1, maleic anhydride grafted polyethylene 0.8, dehydrated alcohol are appropriate.
Making method comprises the following steps:
(1) by nano antimony tin oxide, nanometer titanium dioxide calcination processing 30-50 minute at 590-810 DEG C, there-necked flask is put in cooling, add dehydrated alcohol, maleic anhydride grafted polyethylene stirs, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;
(2) by adding alumina-silicate ceramic fibre in the said products, plasticized starch is uniformly mixed, obtained mixed powder;
(3) polyvinyl chloride, nylon 12, polycarbonate are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, tungsten disulfide and other remaining component blending dispersion 15-20 minute, take out and pour in twin screw extruder, extrude by working specification; through granulator granulation, discharging.
The technical parameter index of the plastics film of the modified plastics blowing using the present invention to produce is as follows:
(1) temperature difference of tungsten-iodine lamp irradiated plastics film 5min is 3.46 DEG C, and effect of heat insulation is excellent;
(2) visible light transmissivity (%): 50.93;
(3) infrared light transmittance (%) 45.08;
(4) sheltering coefficient: 0.35;
(5) elongation at break (50mm/min): 46.8%;
(6) flexural strength (10mm/min): 39.8MPa.
Claims (2)
1. the modified plastics that a tensile strength high-weatherability is good, it is characterized in that, be made up of the raw material of following weight part: polyvinyl chloride 65-70, nylon 12 15-20, polycarbonate 20-25, nano antimony tin oxide 4-8, nanometer titanium dioxide 1-2, sewer oil 2-3, ten dihydroxystearic acid 0.3-0.7, alumina-silicate ceramic fibre 1-3, plasticized starch 2-4, tungsten disulfide 0.1-0.3, maleic anhydride grafted polyethylene 0.6-1.5, dehydrated alcohol are appropriate.
2. the making method of the modified plastics that a kind of tensile strength high-weatherability according to claim 1 is good, is characterized in that comprising the following steps:
(1) by nano antimony tin oxide, nanometer titanium dioxide calcination processing 30-50 minute at 590-810 DEG C, there-necked flask is put in cooling, add dehydrated alcohol, maleic anhydride grafted polyethylene stirs, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;
(2) by adding alumina-silicate ceramic fibre in the said products, plasticized starch is uniformly mixed, obtained mixed powder;
(3) polyvinyl chloride, nylon 12, polycarbonate are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, tungsten disulfide and other remaining component blending dispersion 15-20 minute, take out and pour in twin screw extruder, extrude by working specification; through granulator granulation, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207241.8A CN104829964A (en) | 2015-04-28 | 2015-04-28 | Modified plastic with high tensile strength and good weatherability and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510207241.8A CN104829964A (en) | 2015-04-28 | 2015-04-28 | Modified plastic with high tensile strength and good weatherability and manufacturing method thereof |
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| CN104829964A true CN104829964A (en) | 2015-08-12 |
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| CN201510207241.8A Pending CN104829964A (en) | 2015-04-28 | 2015-04-28 | Modified plastic with high tensile strength and good weatherability and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105061947A (en) * | 2015-08-17 | 2015-11-18 | 苏州凯欧曼新材料科技有限公司 | Stretch-resistant and break-resistant composite PVC material and preparation method thereof |
| CN105237908A (en) * | 2015-10-16 | 2016-01-13 | 安徽蓝德集团股份有限公司 | Heatproof high-strength cable |
| CN105255045A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | Heat-resisting PVC (polyvinyl chloride)-sheathed control cable |
| CN107586453A (en) * | 2017-09-26 | 2018-01-16 | 桐城市正阳包装有限公司 | A kind of hydroxypropul starch nylon blending puncture resistance laminated film |
| CN107987432A (en) * | 2017-12-30 | 2018-05-04 | 李国俊 | A kind of polyvinyl chloride and preparation method thereof |
| CN114752132A (en) * | 2022-05-17 | 2022-07-15 | 武汉优润食品包装有限公司 | Preparation process of polymer modified plastic |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105061947A (en) * | 2015-08-17 | 2015-11-18 | 苏州凯欧曼新材料科技有限公司 | Stretch-resistant and break-resistant composite PVC material and preparation method thereof |
| CN105237908A (en) * | 2015-10-16 | 2016-01-13 | 安徽蓝德集团股份有限公司 | Heatproof high-strength cable |
| CN105255045A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | Heat-resisting PVC (polyvinyl chloride)-sheathed control cable |
| CN107586453A (en) * | 2017-09-26 | 2018-01-16 | 桐城市正阳包装有限公司 | A kind of hydroxypropul starch nylon blending puncture resistance laminated film |
| CN107987432A (en) * | 2017-12-30 | 2018-05-04 | 李国俊 | A kind of polyvinyl chloride and preparation method thereof |
| CN114752132A (en) * | 2022-05-17 | 2022-07-15 | 武汉优润食品包装有限公司 | Preparation process of polymer modified plastic |
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Application publication date: 20150812 |