| 发明名称 |
SOLID UREA-FORMALDEHYDE BEAD FORMATION |
| 摘要 |
A process of preparing bends of urea-formaldehyde resin in which disperse particles of an aqueous urea-formaldehyde syrup are converted to hard polymer and azeotropically dehydrated. The aqueous syrup must have a solids content of at least 65% by weight and the mol ratio of formaldehyde to urea must be within the range of 1.9 - 2.3 to 1. |
| 申请公布号 |
CA1045737(A) |
申请公布日期 |
1979.01.02 |
| 申请号 |
CA19740210641 |
申请日期 |
1974.10.03 |
| 申请人 |
DULUX AUSTRALIA LTD. |
发明人 |
GUNNING, RAYMOND H.;LUBBOCK, FREDERICK J. |
| 分类号 |
C08G12/00;C08J3/09;C08J3/12;C08J3/14;C08L101/00;(IPC1-7):08J3/12;08G12/12 |
主分类号 |
C08G12/00 |
| 代理机构 |
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