发明名称 |
Microcapsules, method for their production and pressure sensitive copying sheet |
摘要 |
The method of making microcapsules comprises performing polycondensation of an aminoaldehyde resin prepolymer in an aqueous dispersion including particles of hydrophobic core material in the presence of anion-modified polyvinyl alcohol to form aminoaldehyde resin microcapsules walls around said particles of hydrophobic core material.
|
申请公布号 |
US4413843(A) |
申请公布日期 |
1983.11.08 |
申请号 |
US19790107066 |
申请日期 |
1979.12.26 |
申请人 |
KANZAKI PAPER MANUFACTURING CO., LTD. |
发明人 |
IWASAKI, HIROSHI;IRII, SHINSUKE |
分类号 |
B01J13/18;B41M5/165;(IPC1-7):B01J13/02;B32B27/42;B41L1/36 |
主分类号 |
B01J13/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|