公开(公告)号：US10676605B2

公开(公告)日：2020-06-09

申请号：US15781300

申请日：2016-12-28

申请人： THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.

发明人： Nobuaki Sato ,  Koji Yamada

IPC分类号： C08L29/04 ,  C08L23/08 ,  C08K3/11 ,  B32B27/30 ,  C08K3/22

摘要： An ethylene-vinyl alcohol copolymer composition can be formed into a product having very few minute fisheyes. The ethylene-vinyl alcohol copolymer composition comprises: an ethylene-vinyl alcohol copolymer; and an iron compound; wherein the ethylene-vinyl alcohol copolymer is a saponification product of an ethylene-vinyl ester copolymer prepared by using an organic compound having a half-life of 10 to 300 minutes at 60° C. as a polymerization initiator; wherein an amount of the iron compound is 0.001 to 2 ppm in terms of a metal by weight of the ethylene-vinyl alcohol copolymer composition.

公开(公告)号：US11186666B2

公开(公告)日：2021-11-30

申请号：US16064307

申请日：2016-12-28

申请人： THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.

发明人： Daichi Nishimura ,  Takuya Nakajima ,  Masahiko Taniguchi ,  Koji Yamada

IPC分类号： C08F216/06 ,  B65D65/20 ,  B65D65/40 ,  B29B9/06 ,  C08L29/04 ,  C08K3/08 ,  C08K3/11 ,  B32B27/28 ,  B29B9/12 ,  B32B27/30

摘要： An ethylene-vinyl alcohol copolymer composition is provided, which contains an ethylene-vinyl alcohol copolymer and an iron compound, wherein the ethylene-vinyl alcohol copolymer has an ethylene content of 20 to 60 mol %, wherein the iron compound is present in a proportion of 0.01 to 100 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition.