发明名称 |
Sheet-like structure of polyurethane, which is capable of absorbing water vapor and transmitting water vapor |
摘要 |
This invention relates to a sheet-like structure of polyurethane, which is capable of absorbing water vapor and transmitting water vapor, with a uniformly incorporated additive composed of solid particles of at least one swellable, modified polymer. The invention also relates to a process for manufacturing the sheet-like structure.
|
申请公布号 |
US4181637(A) |
申请公布日期 |
1980.01.01 |
申请号 |
US19770863446 |
申请日期 |
1977.12.22 |
申请人 |
HOECHST AG |
发明人 |
BUSCH, WALTER;FISCHER, WILHELM;HOLST, ARNO |
分类号 |
C08G18/00;C08J9/28;C08L1/26;C08L3/04;C08L75/00;C08L75/04;D06N3/00;D06N3/14;(IPC1-7):C08L1/28;C08L3/08 |
主分类号 |
C08G18/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|