发明名称 Modified melamine-formaldehyde resins
摘要 PCT No. PCT/EP96/03352 Sec. 371 Date Jan. 29, 1998 Sec. 102(e) Date Jan. 29, 1998 PCT Filed Jul. 30, 1996 PCT Pub. No. WO97/07149 PCT Pub. Date Feb. 27, 1997Condensation of products obtained by condensation of a mixture comprising (A) from 90 to 99.9 mol % of a mixture consisting essentially of (a) from 30 to 100 mol % of melamine and (b) from 0 to 70 mol % of a substituted melamine of the formula I where X, X' and X'' are as defined in the specification, or mixtures of melamines I, and (c) from 1 to 70 mol %, based on (a)+(b), of a substituted triazine of the formula II where R'', Z' and Z'' are as defined in the specification, or mixtures of triazines II, and (B) from 0.1 to 10 mol %, based on (A) (a), (A) (b) and (B), of phenols which are unsubstituted or are substituted by radicals selected from the group consisting of C1-C9-alkyl and hydroxyl, C1-C4-alkanes substituted by two or three phenol groups, di(hydroxyphenyl)sulfones or mixtures of these phenols, with formaldehyde or formaldehyde-supplying compounds in a molar ratio of melamine, substituted melamine I and triazine II to formaldehyde within the range from 1:1.15 to 1:4.5, are useful for making molded articles.
申请公布号 US5939515(A) 申请公布日期 1999.08.17
申请号 US19980000390 申请日期 1998.01.29
申请人 BASF AKTIENGESELLSCHAFT 发明人 GUENTHER, ERHARD;REUTHER, WOLFGANG
分类号 C07D251/18;C08G14/09;C08G14/10;(IPC1-7):C08G12/30 主分类号 C07D251/18
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