发明名称 |
PREPARATION OF MICROCAPSULES |
摘要 |
A method for preparing microcapsules comprising polymerizing urea and formaldehyde in the presence of an anionic polyelectrolyte and an ammonium salt of an acid and forming a wall membrane of a urea/formaldehyde resin around droplets of a hydrophobic oily liquid. |
申请公布号 |
GB2001927(A) |
申请公布日期 |
1979.02.14 |
申请号 |
GB19780030667 |
申请日期 |
1978.07.21 |
申请人 |
FUJI PHOTO FILM CO LTD |
发明人 |
|
分类号 |
B41M5/165;B01J13/18;(IPC1-7):01J13/02 |
主分类号 |
B41M5/165 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|