发明名称 |
LAMINADO DE PALIPROPILENO,FLEXIVEL,DE CAMADA DUPLA,E PROCESSO PARA SUA PRODUCAO |
摘要 |
<p>Flexible double-layer polypropylene laminate consisting essentially of a biaxially oriented film of isotactic polypropylene with an atactic polypropylene content of less than 6% by weight and an intrinsic viscosity of from 1.5 to 3 dl/g, adhesively bonded to a non-oriented film of isotactic polypropylene with an atactic polypropylene content of from 15 to 30% by weight, said polypropylene in said non-oriented film deriving directly from the polymerization of propylene and having an intrinsic viscosity of from 2 to 8 dl/g.</p> |
申请公布号 |
BR7905082(A) |
申请公布日期 |
1980.05.06 |
申请号 |
BR19797905082 |
申请日期 |
1979.08.07 |
申请人 |
SOC ITALIANA RESINE SIR SPA |
发明人 |
BUZIO P;EDEFONTI L |
分类号 |
B32B27/32;(IPC1-7):C08J5/18;B32B27/06 |
主分类号 |
B32B27/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|