| 发明名称 |
PRODUCTION OF WOOD GLUE BASED ON UREA FORMALDEHYDE CONDENSATES |
| 摘要 |
<p>Condensates containing urea and formaldehyde in a molar ratio of from 1:2.5 to 1:4.5 are converted into wood glue by allowing the viscosity to increase at a pH of from 1 to 3 and at only slightly elevated temperature and then adding urea at a pH of 7 to 9.</p> |
| 申请公布号 |
CA1039430(A) |
申请公布日期 |
1978.09.26 |
| 申请号 |
CA19740204041 |
申请日期 |
1974.07.04 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
EISELE, WOLFGANG;PETERSEN, HARRO;MAYER, JOHANN;WITTMANN, OTTO |
| 分类号 |
C08G12/00;B27N3/02;C08G12/12;C09J161/20;C09J161/24;(IPC1-7):08L61/24;09J3/16 |
主分类号 |
C08G12/00 |
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