| 发明名称 |
BORIC ANHYDRIDE SOLUTIONS AND THEIR USE AS HARDENERS OF RESOLS |
| 摘要 |
<p>Concentrated boric anhydride solutions containing at least 5 percent by weight of boric anhydride, one or more organic solvents and at least one acid chosen from sulfonic acid and aromatic sulfonic acids. The solutions can be used as hardeners for resols or for resols and glass fibers.</p> |
| 申请公布号 |
CA1117514(A) |
申请公布日期 |
1982.02.02 |
| 申请号 |
CA19790329950 |
申请日期 |
1979.06.18 |
| 申请人 |
SOCIETE CHIMIQUE DES CHARBONNAGES |
发明人 |
MEYER, NICOLAS;FOULON, RAYMOND |
| 分类号 |
C09K3/00;B01F1/00;C08K3/38;C08K5/55;C08L61/00;C08L61/04;C08L61/10;(IPC1-7):B01J31/02;B01J21/02 |
主分类号 |
C09K3/00 |
| 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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