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    • 6. 发明授权
    • Water-soluble film
    • 水溶性薄膜
    • US4544693A
    • 1985-10-01
    • US567586
    • 1984-01-03
    • John M. Surgant
    • John M. Surgant
    • B65D65/46C08J5/18C08L29/00C08L29/04C08L39/00C08L39/06C08K5/06
    • C08J5/18B65D65/46C08L29/04C08J2329/04C08L39/06
    • The present invention is directed to water-soluble film comprising:______________________________________ Component % By Weight ______________________________________ Polyvinyl Alcohol 40-75 Polyvinyl Pyrrolidone 7.5-43 Ethoxylated Alkyphenol 7-20 Polyhydric Alcohol 7-20 ______________________________________ The cold water-soluble packaging films formed from the compositions of this invention are useful for packaging of agricultural chemicals which are in granule or dust form. By containing such water dispersable granule or dust agricultural chemicals in water-soluble bag films of this invention, one is able to avoid the problem of dust which may be irritating and/or toxic to the user. Specific examples of agricultural chemicals which are usually packaged in pre-measured portions in the water-soluble films of the present invention are insecticides, herbicides, nematocides, fungicides, plant growth regulants and herbicidal antidotes. The water-soluble films of the present invention may also be useful in containing such items as laundry detergents, bleaches and caustic products; other uses would involve the containment of activated charcoal, pigments, dyes, foodstuffs and food additives.
    • 本发明涉及包含以下组分的水溶性薄膜: - 组分重量% - 聚乙烯醇40-75-聚乙烯基吡咯烷酮7.5-43-乙氧基化的苯丙醇7-20-多元醇7-20-形成的冷水溶性包装薄膜 从本发明的组合物可用于包装颗粒或粉尘形式的农药。 通过在本发明的水溶性袋膜中含有这种水分散性颗粒或粉尘农药,能够避免可能对使用者有刺激性和/或毒性的灰尘的问题。 通常包装在本发明的水溶性薄膜中的预先测定部分的农药的具体实例是杀虫剂,除草剂,杀线虫剂,杀真菌剂,植物生长调节剂和除草剂。 本发明的水溶性薄膜还可用于容纳洗衣洗涤剂,漂白剂和苛性碱产品; 其他用途将涉及活性炭,颜料,染料,食品和食品添加剂的遏制。