发明公开
- 专利标题: NON-YELLOWING TAPE ARTICLE
- 专利标题(中): 不黄色胶带制品
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申请号: EP96922523.0申请日: 1996-06-21
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公开(公告)号: EP0856035A1公开(公告)日: 1998-08-05
- 发明人: GOBRAN, Ramsis
- 申请人: MINNESOTA MINING AND MANUFACTURING COMPANY
- 申请人地址: 3M Center, P.O. Box 33427 St. Paul, Minnesota 55133-3427 US
- 专利权人: MINNESOTA MINING AND MANUFACTURING COMPANY
- 当前专利权人: MINNESOTA MINING AND MANUFACTURING COMPANY
- 当前专利权人地址: 3M Center, P.O. Box 33427 St. Paul, Minnesota 55133-3427 US
- 代理机构: VOSSIUS & PARTNER
- 优先权: US19950508588 19950728
- 国际公布: WO1997005207 19970213
- 主分类号: B32B27
- IPC分类号: B32B27 ; C08K5 ; C09J7 ; C09J153 ; C08L23
摘要:
A non-yellowing pressure-sensitive adhesive tape with a polyolefin film layer and a fibrous web layer. A propylene film layer has an an antioxidant package of: (i) 0.004 to 0.04 weight percent of Irganox TM 1010; (ii) 0.03 to 0.2 weight percent of a solid phosphite antioxidant; (iii) 0.05 to 0.4 weight percent of a thioester; and (iv) 0.05 to 0.4 weight percent of an inorganic acid scavenger; The tackified synthetic rubber pressure-sensitive adhesive layer comprises 100 parts of a polystyrene-polydiene block copolymer, and 20 to 300 parts of a compatible tackifying agent and an antioxidant package, based on 100 parts of the polystyrene-polydiene block copolymer, comprising: (i) 0.1 to 0.6 parts Irganox TM 1010; (ii) 0.1 to 0.6 parts Irganox TM 565; (iii) 0.0 to 0.6 parts of a phosphite antioxidant.
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