发明名称 |
Process for treating and sizing paper substrates |
摘要 |
A process is disclosed for strengthening and sizing paper which comprises the step of applying a composition comprising (a) an isocyanate and (b) an isocyanate-reactive component comprising at least one polyol having an ethylene oxide content of at least 1%, wherein said composition does not contain water to the paper by means of an electrostatic spraying device having a linear orifice.
|
申请公布号 |
US5605605(A) |
申请公布日期 |
1997.02.25 |
申请号 |
US19950379045 |
申请日期 |
1995.01.27 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
COLEMAN, PAUL D.;ROBERTSON, JOHN R. |
分类号 |
D21H19/24;D21H23/50;(IPC1-7):D21H19/16 |
主分类号 |
D21H19/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|