| 发明名称 |
Backing sheet for cushioned floor |
| 摘要 |
Disclosed is improvement of heat-stability of a backing sheet for cushioned floor during foaming step of gelled polyvinyl chloride resin. The backing sheet comprises a thermoplatic resin fibrous material, another fibrous material and an inorganic filler, to which a phenolic antioxidation agent or a phosphitic antioxidation agent is added.
|
| 申请公布号 |
US4424255(A) |
申请公布日期 |
1984.01.03 |
| 申请号 |
US19820400065 |
申请日期 |
1982.07.20 |
| 申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD. |
发明人 |
NAKAMURA, MOTOFUMI;HORIMOTO, KOJI;YUSAWA, MOTOYASU |
| 分类号 |
E04F15/16;D04H1/04;D06N7/00;D21H27/20;(IPC1-7):B32B5/16 |
主分类号 |
E04F15/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
