发明名称 |
Use of a binder composition for the preparation of a powder coating for use as a top coat in the automotive industry and top-coated automotive substrates |
摘要 |
PCT No. PCT/NL93/00097 Sec. 371 Date Feb. 21, 1995 Sec. 102(e) Date Feb. 21, 1995 PCT Filed May 12, 1993 PCT Pub. No. WO93/23447 PCT Pub. Date Nov. 25, 1993The invention relates to a binder composition for powder coatings for use as a topcoat in the automotive industry. The invention also relates to top-coated automotive substrates. The binder composition includes a polyester containing hydroxyl groups and a polyacrylate containing hydroxyl groups and a blocked hexamethylenediisocyanate trimer. The polyester has a hydroxyl number of between 20 and 100 mg KOH/g resin and an acid number of less than 10 mg KOH/g resin and the polyacrylate has a hydroxyl number of between 40 and 150 mg KOH/g resin and an acid number of less than 20 mg KOH/g resin. The trimer is blocked with 1,2,4-triazole.
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申请公布号 |
US5580660(A) |
申请公布日期 |
1996.12.03 |
申请号 |
US19950335884 |
申请日期 |
1995.02.21 |
申请人 |
DSM N.V. |
发明人 |
WITTE, FRANCISCUS M.;KIEFT, GERRIT;VAN DEN ELSHOUT, WILHELMUS H. H. A. |
分类号 |
C08G18/42;C08G18/62;C08G18/79;C08G18/80;(IPC1-7):B23B27/06 |
主分类号 |
C08G18/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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