- 专利标题: Heat-shrinkable laminated film, molded product and heat-shrinkable label comprising the film, and container
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申请号: US13881430申请日: 2010-11-24
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公开(公告)号: US09840067B2公开(公告)日: 2017-12-12
- 发明人: Takatoshi Muta , Tomoyuki Nemoto , Jun Takagi , Kanako Hayashi
- 申请人: Takatoshi Muta , Tomoyuki Nemoto , Jun Takagi , Kanako Hayashi
- 申请人地址: JP Tokyo
- 专利权人: MITSUBISHI CHEMICAL CORPORATION
- 当前专利权人: MITSUBISHI CHEMICAL CORPORATION
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, McClelland, Maier & Neustadt, L.L.P.
- 国际申请: PCT/JP2010/070940 WO 20101124
- 国际公布: WO2012/070130 WO 20120531
- 主分类号: B32B1/02
- IPC分类号: B32B1/02 ; B32B27/08 ; B32B27/30 ; B32B27/36 ; B65D23/08 ; B65D25/20 ; B32B1/08
摘要:
A heat-shrinkable laminated film having: (A) layer mainly having a polyester series resin; (C) layer mainly having a polystyrene series resin or mixture of polyester series and polystyrene series resins; and (B) layer mainly having polyester series and polystyrene series resins and disposed between (A) and (C) layers, the film having excellent heat-shrinkability, transparency, and interlayer-adhesiveness at room temperature, not easily peeled in a high-temperature treatment, inhibited from whitening when bent during processing, and suitable for shrinkage-packaging, shrink-bond-packaging, etc., with (B) layer having: a hard polyester series resin or mixture of hard polyester series and soft polyester series resins; and soft styrene series resin, hard styrene series resin, or mixture thereof, or with a content of the (B) layer polyester series resin smaller than that of the (A) layer one, and a content of the (C) layer polyester series resin smaller than that of the (B) layer one.