发明名称 |
Biaxially stretched composite styrene resin sheet. |
摘要 |
<p>A biaxially stretched sheet of a multilayer structure, comprising at least one layer of polystyrene and at lest two layers of a mixture of polystyrene and styrene/butadiene block copolymer resin, wherein both outside layers are formed of said mixture, the thickness of each of the outside layers is 1 to 20% of the total thickness of the sheet, and the entire sheet is biaxially stretched.</p> |
申请公布号 |
EP0251636(A2) |
申请公布日期 |
1988.01.07 |
申请号 |
EP19870305547 |
申请日期 |
1987.06.22 |
申请人 |
DAINIPPON INK AND CHEMICALS, INC. |
发明人 |
TSUKAMOTO, YUKIHIDE;SATO, YASUHIRO;SEINO, MINORU;TOYODA, AKIO |
分类号 |
B32B27/00;B32B27/08;B32B27/30;C08J5/18;(IPC1-7):B32B27/30 |
主分类号 |
B32B27/00 |
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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