发明申请
US20060189723A1 Coatable urea-aldehyde compositions containing a cocatalyst, coated abrasives made using same, and methods of making coated abrasives
审中-公开
含有助催化剂的涂布尿素 - 醛组合物，使用其制备的涂覆的研磨剂以及制备涂覆的磨料的方法
- 专利标题： Coatable urea-aldehyde compositions containing a cocatalyst, coated abrasives made using same, and methods of making coated abrasives
- 专利标题（中）： 含有助催化剂的涂布尿素 - 醛组合物，使用其制备的涂覆的研磨剂以及制备涂覆的磨料的方法
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申请号： US10565963申请日： 2004-07-27
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公开(公告)号： US20060189723A1公开(公告)日： 2006-08-24
- 发明人: Jeffrey Ford , Harold Rude
- 申请人： Jeffrey Ford , Harold Rude
- 优先权： NL1024010 20030728; NL1024036 20030804; NL1024319 20030918
- 国际申请： PCT/NL04/00540 WO 20040727
- 主分类号： B29C47/00
- IPC分类号： B29C47/00
摘要：
The invention relates to an adhesive composition comprising a formaldehyde-containing aminoplast resin and a catalysing compound, with the catalysing compound being an acid or is able to release an acid with a pKa lower than 4 and with the formaldehyde-containing aminoplast resin having a F/(NH2)2 ratio lower than or equal to 1. The catalysing compound comprises at most 11 wt. % of an ammonium salt. The invention also relates to a process for the preparation of board material using the adhesive composition according to the invention and to the board material thus obtainable.
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