Modified chlorinated natural rubber - grafted with polyamide, oligo:amide, aminoacid, aminoester and/or amino:amide, used in antifouling, marine coatings

摘要

Modified chlorinated natural rubber is obtd. by fixing or chlorinated natural rubber one or more cpds. (I) from polyamide, oligoamide, amino-acid, amino-ester and amino-amide. The compsn. pref. contains 5-80, (5-30) wt.% (I) which is pref. an aminoacid, or an oligoamide formed by a diamine and a dimerised unsatd. fatty acid. Alternatively the compsn. contains 40-60 wt.% of a polyamide, an oligoamide or amino-amide. The prod. is used in anti-fouling, marine coatings.