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  • 专利标题:   Oxygen barrier coating used for packaging material and in field of food packaging comprises polyvinyl alcohol, starch, functional auxiliary agent, and plasticizer, prepared by adding above raw materials, casting or scraping.
  • 专利号:   CN113817282-A
  • 发明人:   SONG X, MENG Y, SHAO X, WANG D, CHEN F, XU H, JIANG X, JI Z
  • 专利权人:   SHANDONG CENTURY SUNSHINE PAPER IND CO L, UNIV QINGDAO SCI TECHNOLOGY
  • 国际专利分类:   C08J005/18, C08K003/04, C08K003/22, C08K003/28, C08K003/34, C08K003/36, C08K005/053, C08K005/11, C08K005/1539, C08L029/04, C08L003/02, C08L033/00, C08L061/28, C08L063/00, C08L071/02, C08L091/00
  • 专利详细信息:   CN113817282-A 21 Dec 2021 C08L-029/04 202217 Chinese
  • 申请详细信息:   CN113817282-A CN11164794 30 Sep 2021
  • 优先权号:   CN11164794

▎ 摘　　要

NOVELTY - Oxygen barrier coating comprises 100 pts. wt. polyvinyl alcohol, 0-50 pts. wt. starch, 2-30 pts. wt. functional auxiliary agent, and 0.5-10 pts. wt. plasticizer. USE - The coating is useful for packaging material (claimed), and in the field of food packaging. ADVANTAGE - The coating: is simple and easy to operate; improves the oxygen barrier property of the packaging material; has oil-proof performance and mechanical property; and has good wear resistance and surface smoothness. DETAILED DESCRIPTION - An INDEPENDNET CLAIM is also included for preparing oxygen barrier coating for packaging material comprising using polyvinyl alcohol/starch as substrate material, adding functional auxiliary agent and plasticizer, casting or scraping.