| 摘要 |
Polyurethane/polyurea compositions comprising the reaction product of an organic diisocyanate, a glycol having a molecular weight of 500-5000 and a derivative of 2,4-diaminobenzoic acid selected from C1-C8 alkyl and substituted alkyl esters, the amide, alkyl substituted amides, the anilide, substituted anilides, the nitrile and mixtures thereof.
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