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Isophorone dicyanamide trimerisation and further polymerisation - by heating, to give novel trimer and polymers for mouldings and coatings
Isophorone dicyanamide trimerisation and further polymerisation - by heating, to give novel trimer and polymers for mouldings and coatings
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机译:异佛尔酮双氰胺三聚和进一步聚合-通过加热,得到用于模塑和涂料的新型三聚体和聚合物
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摘要
Novel polyisophorone dicyanamide (III) is prepd. by heating isophorone dicyanamide (3-cyanamidomethyl-3,5,5-trimethyl-cyclohexyl cyanamide), (I), or its novem trimer, (II), to =60 (80-350) degrees C opt. in the presence of a basic accelerator, pref. an inorganic base, NH3 or an amine, partic. a tert. amine. (III) and (II) form moulding and coating compsns., opt. contg. fillers and/or fabric strengtheners and/or pigments and/or dyes. (II) are pref. used as thermosetting coating powder compsns. opt. contg. fillers and/or pigments. (III) is heat-stable. Coatings of (III) adhere well to substrates, partic, to phosphatised Fe or steel. (III) can be applied as a pre-mix contg. (II) which is then polymerised in situ by heating.
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