CN104151757B - A kind of polyethers-polyvinyl alcohol double degradation plastic film formula and preparation method thereof - Google Patents
A kind of polyethers-polyvinyl alcohol double degradation plastic film formula and preparation method thereof Download PDFInfo
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- CN104151757B CN104151757B CN201410342412.3A CN201410342412A CN104151757B CN 104151757 B CN104151757 B CN 104151757B CN 201410342412 A CN201410342412 A CN 201410342412A CN 104151757 B CN104151757 B CN 104151757B
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Abstract
A kind of polyethers-polyvinyl alcohol double degradation plastic film formula and preparation method thereof, relate to thin film fabrication techniques field, be made up of the raw material of following mass fraction: Viscotrol C 20-25 part, 210 polyethers 30-35 parts, mould inhibitor 2-3 part, dibutyl tin laurate 2-3 part, polyvinyl alcohol 60-70 part, artemisia glue 15-20 part, hydroxypropylcellulose 12-18 part, pulullan polysaccharide 7-15 part, nano silicon 13-16 part, Zinic stearas 15-20 part, oxidized polyethlene wax 14-18 part, ethyl silicon oil 12-17 part, calcium carbonate 13-15 part, glutaraldehyde 4-10 part, stearyl alcohol 13-15 part.The plastics film that the present invention obtains has biological and the dual Degradation of light, effectively can solve the white pollution problems that common plastic film difficult degradation brings, and production technique is simple, cost is low, is beneficial to suitability for industrialized production.
Description
Technical field:
The present invention relates to thin film fabrication techniques field, be specifically related to a kind of polyethers-polyvinyl alcohol double degradation plastic film formula and preparation method thereof.
Background technology:
In order to solve the pollution that the plastic membrane product such as packing bag, refuse bag brings environment, domestic and international investigator is being devoted to the plastics film developing environmentally safe always.Biodegradable plastic film material comprises synthetic materials and natural macromolecular material, renewable, therefore especially noticeable due to natural macromolecular material aboundresources.But containing great amount of hydroxy group on polyurethane molecular chain, easily in molecular chain, forming hydrogen bond outward, therefore indissoluble, infusibility, and poor water resistance with molecular chain, a chance water or long-term storage easily absorb moisture in damp atmosphere, affect its stability.
Had a lot of report with the research of polyurethane-polyethylene alcohols plastic film capable of complete biodegradation at present, but wherein prepared polyurethane-polyethylene alcohols degradative plastics still exist degradation speed slowly, the problem such as the compatible blended property of urethane and polyvinyl alcohol based polymer is bad.
Summary of the invention:
Technical problem to be solved by this invention is to provide that a kind of production cost is low, technique is simple, environment amenable polyethers-polyvinyl alcohol double degradation plastic film formula and preparation method thereof.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of polyethers-polyvinyl alcohol double degradation plastic film, it is characterized in that, be made up of the raw material of following mass fraction: Viscotrol C 20-25 part, 210 polyethers 30-35 parts, mould inhibitor 2-3 part, dibutyl tin laurate 2-3 part, polyvinyl alcohol 60-70 part, artemisia glue 15-20 part, hydroxypropylcellulose 12-18 part, pulullan polysaccharide 7-15 part, nano silicon 13-16 part, Zinic stearas 15-20 part, oxidized polyethlene wax 14-18 part, ethyl silicon oil 12-17 part, calcium carbonate 13-15 part, glutaraldehyde 4-10 part, stearyl alcohol 13-15 part.
The particle diameter of described nano silicon is 20-100nm.
A preparation method for polyethers-polyvinyl alcohol double degradation plastic film, is characterized in that, comprise the steps:
Step a: at reactor Viscotrol C, 210 polyethers, start vacuum pump and agitator, make to force down in 2666pa in reactor, bleed 2 hours at 100-120 DEG C, be chilled to room temperature, add dibutyl tin laurate, mould inhibitor again, start vacuum pump and agitator, make to force down in 2666pa in reactor, be heated to 90 DEG C, keep 20 minutes, be chilled to room temperature, obtain hot glue;
Step b: first hot glue and carboxy-propyl cellulose, glutaraldehyde, the oxidized polyethlene wax of 1/3-1/2 and the polyvinyl alcohol of 1/4-1/3 are put into baking oven and dry, then extrude through twin screw extruder, water-cooled, obtained biodegradable master batch after cutting;
Step c: first by the mixing of the polyvinyl alcohol of artemisia glue, pulullan polysaccharide, nano silicon, Zinic stearas, stearyl alcohol and 1/4-1/3 evenly, then to extrude through twin screw extruder, water-cooled, obtained photodegradation masterbatch after cutting;
Steps d: add ethyl silicon oil, calcium carbonate, remaining oxidized polyethlene wax and polyvinyl alcohol in obtained biodegradable master batch and photodegradation masterbatch, then with extruding through twin screw extruder, water-cooled, obtained mother raw material degradable after cutting, namely obtain aimed thin film goods finally by inflation film manufacturing machine blown film.
The invention has the beneficial effects as follows: the plastics film that the present invention obtains has biological and the dual Degradation of light, effectively can solve the white pollution problems that common plastic film difficult degradation brings, and production technique is simple, cost is low, is conducive to suitability for industrialized production.
Embodiment:
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with embodiment.
Embodiment 1:
A kind of polyethers-polyvinyl alcohol double degradation plastic film, is made up of the raw material of following mass fraction: Viscotrol C 20 parts, 210 polyethers 30 parts, mould inhibitor 2 parts, dibutyl tin laurate 2 parts, polyvinyl alcohol 60 parts, artemisia glue 15 parts, hydroxypropylcellulose 12 parts, pulullan polysaccharide 7 parts, nano silicon 13 parts, Zinic stearas 15 parts, oxidized polyethlene wax 14 parts, ethyl silicon oil 12 parts, 13 parts, calcium carbonate, glutaraldehyde 4 parts, stearyl alcohol 13 parts.
Embodiment 2:
A kind of polyethers-polyvinyl alcohol double degradation plastic film, is made up of the raw material of following mass fraction: Viscotrol C 25 parts, 210 polyethers 35 parts, mould inhibitor 3 parts, dibutyl tin laurate 3 parts, polyvinyl alcohol 70 parts, artemisia glue 20 parts, hydroxypropylcellulose 18 parts, pulullan polysaccharide 15 parts, nano silicon 16 parts, Zinic stearas 20 parts, oxidized polyethlene wax 18 parts, ethyl silicon oil 17 parts, 15 parts, calcium carbonate, glutaraldehyde 10 parts, stearyl alcohol 15 parts.
The composition of raw materials of embodiment 1-2 is adopted to prepare the operation steps of polyurethane-polyethylene alcohol double degradation plastic film as follows:
Step a: at reactor Viscotrol C, 210 polyethers, start vacuum pump and agitator, make to force down in 2666pa in reactor, bleed 2 hours at 120 DEG C, be chilled to room temperature, add dibutyl tin laurate, mould inhibitor again, start vacuum pump and agitator, make to force down in 2666pa in reactor, be heated to 90 DEG C, keep 20 minutes, be chilled to room temperature, obtain hot glue;
Step b: first hot glue and carboxy-propyl cellulose, glutaraldehyde, the oxidized polyethlene wax of 1/3-1/2 and the polyvinyl alcohol of 1/4-1/3 are put into baking oven and dry, then extrude through twin screw extruder, water-cooled, obtained biodegradable master batch after cutting;
Step c: first by the mixing of the polyvinyl alcohol of artemisia glue, pulullan polysaccharide, nano silicon, Zinic stearas, stearyl alcohol and 1/4-1/3 evenly, then to extrude through twin screw extruder, water-cooled, obtained photodegradation masterbatch after cutting;
Steps d: add ethyl silicon oil, calcium carbonate, remaining oxidized polyethlene wax and polyvinyl alcohol in obtained biodegradable master batch and photodegradation masterbatch, then with extruding through twin screw extruder, water-cooled, obtained mother raw material degradable after cutting, namely obtain aimed thin film goods finally by inflation film manufacturing machine blown film.
The plastics film that the present invention obtains has biological and the dual Degradation of light, and therefore its film degradation speed is considerably beyond common degradable film.The film degradation time of the present invention is 4-5 month, and the degradation time of common degradable film is 9-15 month.
The plastics film that the present invention obtains effectively can solve the white pollution problems that common plastic film difficult degradation brings, and production technique is simple, cost is low, is conducive to suitability for industrialized production.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. polyethers-polyvinyl alcohol double degradation plastic film, it is characterized in that, be made up of the raw material of following mass fraction: Viscotrol C 20-25 part, 210 polyethers 30-35 parts, mould inhibitor 2-3 part, dibutyl tin laurate 2-3 part, polyvinyl alcohol 60-70 part, artemisia glue 15-20 part, hydroxypropylcellulose 12-18 part, pulullan polysaccharide 7-15 part, nano silicon 13-16 part, Zinic stearas 15-20 part, oxidized polyethlene wax 14-18 part, ethyl silicon oil 12-17 part, calcium carbonate 13-15 part, glutaraldehyde 4-10 part, stearyl alcohol 13-15 part;
Its preparation method comprises the steps:
Step a: add Viscotrol C, 210 polyethers in a kettle., start vacuum pump and agitator, make to force down in 2666Pa in reactor, bleed 2 hours at 100-120 DEG C, be chilled to room temperature, add dibutyl tin laurate, mould inhibitor again, start vacuum pump and agitator, make to force down in 2666Pa in reactor, be heated to 90 DEG C, keep 20 minutes, be chilled to room temperature, obtain hot glue;
Step b: first hot glue and hydroxypropylcellulose, glutaraldehyde, the oxidized polyethlene wax of 1/3-1/2 and the polyvinyl alcohol of 1/4-1/3 are put into baking oven and dry, then extrude through twin screw extruder, water-cooled, obtained biodegradable master batch after cutting;
Step c: first by the mixing of the polyvinyl alcohol of artemisia glue, pulullan polysaccharide, nano silicon, Zinic stearas, stearyl alcohol and 1/4-1/3 evenly, then to extrude through twin screw extruder, water-cooled, obtained photodegradation masterbatch after cutting;
Steps d: add ethyl silicon oil, calcium carbonate, remaining oxidized polyethlene wax and polyvinyl alcohol in obtained biodegradable master batch and photodegradation masterbatch, then with extruding through twin screw extruder, water-cooled, obtained mother raw material degradable after cutting, namely obtain aimed thin film goods finally by inflation film manufacturing machine blown film.
2. a kind of polyethers-polyvinyl alcohol double degradation plastic film according to claim 1, is characterized in that: the particle diameter of described nano silicon is 20-100nm.
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| CN105885175A (en) * | 2016-06-17 | 2016-08-24 | 叶伟然 | Novel formula for medical antibacterial polyethylene thin films |
| CN106978279A (en) * | 2017-04-29 | 2017-07-25 | 安徽阜南县向发工艺品有限公司 | A kind of preparation method of wood artwork surface oil stain cleanser |
| CN107915885A (en) * | 2017-11-28 | 2018-04-17 | 安徽国泰印务有限公司 | A kind of high-strength environment-friendly degradation plastic film |
| CN108855835A (en) * | 2018-07-20 | 2018-11-23 | 湖南博成磁电有限公司 | Coating processes in a kind of preparation of soft magnet ferrite magnetic ring |
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| CN1640933A (en) * | 2004-01-13 | 2005-07-20 | 中国科学院成都有机化学有限公司 | Method for preparing polymer/carbon nano composite material |
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| CN103205005A (en) * | 2013-03-15 | 2013-07-17 | 华南理工大学 | Anti-microbial and bacteriostatic preservative film and production method thereof |
| CN103342870A (en) * | 2013-07-26 | 2013-10-09 | 武汉理工大学 | Modified SiO2/PVA (polyvinyl alcohol) film and preparation method thereof |
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| JP2000319446A (en) * | 1999-05-07 | 2000-11-21 | Nishikawa Rubber Co Ltd | Biodegradable rubber composition |
| JP3910344B2 (en) * | 2000-06-28 | 2007-04-25 | リンテック株式会社 | Process film for manufacturing ceramic green sheets |
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| CN1640933A (en) * | 2004-01-13 | 2005-07-20 | 中国科学院成都有机化学有限公司 | Method for preparing polymer/carbon nano composite material |
| CN101864132A (en) * | 2010-05-26 | 2010-10-20 | 四川大学 | Fusion preparation method of polyvinyl alcohol film |
| CN102051010A (en) * | 2010-12-03 | 2011-05-11 | 世源科技(嘉兴)医疗电子有限公司 | Disposable polyvinyl alcohol thin-film material for cooling protection and production process thereof |
| CN103013052A (en) * | 2012-12-17 | 2013-04-03 | 吉林大学 | Degradable underground blocking material |
| CN103205005A (en) * | 2013-03-15 | 2013-07-17 | 华南理工大学 | Anti-microbial and bacteriostatic preservative film and production method thereof |
| CN103342870A (en) * | 2013-07-26 | 2013-10-09 | 武汉理工大学 | Modified SiO2/PVA (polyvinyl alcohol) film and preparation method thereof |
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