Aqueous sulfo modified melamine-form-aldehyde resin composition containing multivalent oxides |
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| 申请号 | US3661829D | 申请日 | 1970-05-06 | 公开(公告)号 | US3661829A | 公开(公告)日 | 1972-05-09 |
| 申请人 | SUDDENTSCHE KALKSTICKSTOFF WER; | 发明人 | AIGNESBERGER ALOIS; MICHAUD HORST; | ||||
| 摘要 | AN AQUEOUS SOLUTION OF A MELAMINE-FORMALDEHYDE RESIN CONTAINING ENOUGH SULFO GROUPS TO BE WATER SOLUBLE COMBINED WITH ONE OR MORE BASIC OR AMPHOTERIC OXIDES OR HYDROXIDES OF TRIVALENT OR QUADRIVALENT METALS IS A STRONG BINDER FOR SAND, CEMENT, AND THE LIKE. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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