发明公开
- 专利标题: DIP-FORMED ARTICLE COMPRISING LAYER DERIVED FROM LATEX COMPOSITION FOR DIP-FORMING
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申请号: EP21899326.9申请日: 2021-12-09
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公开(公告)号: EP4063435A1公开(公告)日: 2022-09-28
- 发明人: KWON, Won Sang , YEU, Seung Uk , HAN, Jung Su , KIM, Jung Eun , JANG, Myung Su , ENOMOTO, Norihide , HOSHINO, Sayaka , SATAKE, Shoya , TAKEUCHI, Yamato
- 申请人: Lg Chem, Ltd. , Midori Anzen Co., Ltd.
- 申请人地址: KR Seoul 07336 128 Yeoui-daero Yeongdeungpo-gu; JP Tokyo 150-8455 4-3, Hiroo 5-chome Shibuya-ku
- 代理机构: Plasseraud IP
- 优先权: JP2021190387 20211124
- 国际公布: WO2022124833 20220616
- 主分类号: C08J5/02
- IPC分类号: C08J5/02 ; C08L13/02 ; C08L9/04 ; C08K3/22 ; C08K5/1515 ; B29C41/14 ; A41D19/00
摘要:
The present invention provides a dip-formed article that has an excellent stress retention rate and is easily stretched and soft. The present invention provides a dip-formed article comprising a layer derived from a latex composition for dip-forming, wherein the latex composition for dip-forming contains a carboxylic acid-modified nitrile-based copolymer latex, the carboxylic acid-modified nitrile-based copolymer latex contains a carboxylic acid-modified nitrile-based copolymer, and the dip-formed article has an elongation of more than 650% and satisfies the following Expressions 1 and 2,
[Expression 1] k 1 ′ + k 2 ′ + k 3 ′ ≤ 9.3 N / mm [Expression 2] 0.55 ≤ k 1 ′ / k 1 ′ + k 2 ′ + k 3 ′ wherein k 1 ' is a value obtained by dividing an equilibrium coefficient k 1 by a thickness of a test piece, and k 2 ' and k 3 ' are values obtained by dividing viscous coefficients k 2 and k 3 by the thickness of the test piece, respectively.
[Expression 1] k 1 ′ + k 2 ′ + k 3 ′ ≤ 9.3 N / mm [Expression 2] 0.55 ≤ k 1 ′ / k 1 ′ + k 2 ′ + k 3 ′ wherein k 1 ' is a value obtained by dividing an equilibrium coefficient k 1 by a thickness of a test piece, and k 2 ' and k 3 ' are values obtained by dividing viscous coefficients k 2 and k 3 by the thickness of the test piece, respectively.
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