Hydrophobic polylactic acid and starch compound fully-degradable plastic film and manufacturing method thereof
A technology of plastic film and polylactic acid, which is applied in the field of plastic film, can solve the problems of poor compatibility with polylactic acid, etc., and achieve the effect of improving interface contact effect and compatibility, increasing strength and toughness, and improving hydrophobicity
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[0017] specific implementation plan
[0018] The present invention will be described in detail below through specific examples.
[0019] A fully degradable plastic film composited with hydrophobic polylactic acid and starch, prepared from the following raw materials in parts by weight (kg): polylactic acid 70, polypropylene carbonate 10, corn starch 20, glycerin 12, epichlorohydrin 1.6 , an appropriate amount of 1mol / L sodium hydroxide solution, an appropriate amount of 1mol / L hydrochloric acid, an appropriate amount of distilled water, hemp fiber 25, silane coupling agent kh-550 0.8, antioxidant 1010 1.5, white petrolatum 6, glyoxal 1;
[0020] A kind of hydrophobic polylactic acid and starch composite fully degradable plastic film described in the present invention is made by the following specific steps:
[0021] (1) Put the hemp fiber into a double amount of 1mol / L sodium hydroxide solution, heat it to 100°C under normal pressure, cook for 2.5 hours, take it out after coo...
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