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Polyiso(thio)cyanates wich contain hydantoin or thiohydantoin rings, their preparation and use
Polyiso(thio)cyanates wich contain hydantoin or thiohydantoin rings, their preparation and use
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机译:含有乙内酰脲或巯乙内酰脲环的聚异(硫)氰酸酯,其制备和用途
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摘要
(Thio) hydantoin group-containing polyiso (thio) cyanates of the general formula (I) in the R 'and R 2 are identical or different, optionally substituted aliphatic, aliphatic-aromatic or aromatic radicals, hydrogen or halogen, R 4 and R 5 are identical or different, represent an at least divalent, optionally substituted aliphatic, aliphatic-aromatic or aromatic radical, R 3 is hydrogen, a monovalent, optionally substituted aliphatic, aliphatic-aromatic or aromatic radical n is an integer 1-3 m is 1 or 2 and Q represents oxygen or sulfur,; Processes for their preparation and their use for producing heat-resistant coating materials, films, adhesives, powders, moldings and coatings.
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