High-efficiency oxygen-insulation water-insulation blended full-degradable plastic film and preparation method thereof
The invention relates to a plastic film and blending technology, which is applied to the field of blending fully degradable plastic film with high efficiency oxygen and water barrier and its preparation, which can solve the problems of hindering the wide application of starch plastics, deteriorating physical and mechanical properties, poor compatibility, and the like. Achieve good far-infrared reflectivity, good gas barrier performance, and meet the effect of use requirements
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[0015] specific implementation plan
[0016] The present invention will be described in detail below through specific examples.
[0017] A blended fully degradable plastic film with high-efficiency oxygen and water barriers, prepared from the following raw materials in parts by weight (kg): corn starch 60, nano-montmorillonite 7, peanut oil 0.6, tetrabutyl titanate 1.2, ramie Magu 12, polyvinyl alcohol 27, xanthan gum 1, sodium carboxymethyl cellulose 2, polyethylene glycol 14, polymethylethylene carbonate 7, pulula 4, ethyl silicone oil 2;
[0018] A blended fully degradable plastic film with high-efficiency oxygen and water insulation described in the present invention is made by the following specific steps:
[0019] (1) Mix cornstarch and nano-montmorillonite evenly and put it in an oven, dry it at 130°C for 120 minutes, take it out, cool it to room temperature, and vibrate the mixed powder by ultrasonic for 30 minutes (control the temperature of the water bath at 30°C ,...
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