发明名称 |
A HEAT-SHRINKABLE POLYESTER FILM |
摘要 |
A heat-shrinkable polyester film characterized in that: (A) the heat shrinkage percentages in the maximum shrinkage direction thereof is 10 to 50% in hot water at 70.degree.C; (B) the heat shrinkage percentages in the maximum shrinkage direction thereof is 70% or more and that in the direction orthogonal to the maximum shrinkage direction is 10% or less in hot water at 85.degree.C; and (C) when the heat shrinkage percentage in the maximum shrinkage direction in hot water at 95.degree.C is designated as Xo (%) and the heat shrinkage percentage in the maximum shrinkage direction of a film obtained by previously heat-shrinking said film to an extent of 10% in hot water at 95.degree.C is designated as X10 (%), the difference in heat shrinkage percentage .DELTA. (%) calculated according to the following equation is 10 to 20%. .DELTA. = X0 -X10 |
申请公布号 |
CA2485265(C) |
申请公布日期 |
2009.12.29 |
申请号 |
CA20032485265 |
申请日期 |
2003.04.23 |
申请人 |
TOYO BOSEKI KABUSHIKI KAISHA |
发明人 |
TABOTA, NORIMI;ITO, HIDEKI;NAGANO, HIROSHI |
分类号 |
B29C61/02;B29C61/06;B29C63/42;C08J5/18 |
主分类号 |
B29C61/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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