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Application filed by Rohm & HaasfiledCriticalRohm & Haas
Publication of MY112240ApublicationCriticalpatent/MY112240A/en
THE INVENTION RELATES TO A CARBODIIMIDE CROSS-LINKER, IN PARTICULAR, AN AROMATIC POIYCARBODIIMIDE CROSSLINKER HAVING THE FORMULA OF EITHERE -0-< -Z -0- >M-C(O) N(A)-[-R-N=C=O-]N-R''-N(A)C(O)-<-O-Z''->P-O-E''ORE-O-(-Z-O)M-C(O)N(A)-[(-R-N=C=O-)Q-R1-N(A)C(O)-B-C(O)N(A)-]T-R"-N(A)C(O)-<O-Z''->P-O-E''WHEREIN M IS AN INTEGER OF FROM 5 TO 10; N IS AN INTEGER OF FROM 2 TO 7; P IS AN INTEGER OF FROM 5 TO 10; Q IS AN INTEGER OF FROM 1 TO 5 AND T IS AN INTEGER OF FROM 1 TO 5, WHEREIN THE PRODUCT OF Q AND T IS FROM 4 TO 10; A IS HYDROGEN; B IS A GROUP WHICH DOES NOT CONTAIN CARBODIIMIDE GROUPS; E AND E'' ARE CH3; R, R'' AND R" ARE INDEPENDENTLY SELECTED FROM ARYLENE, ALKYL-SUBSTITUTED ARYLENE, BIARYLENE ALKYLENE, OR ALKYL-SUBSTITUTED BIARYLENE ALK''JLENE; AND Z AND Z'' ARE C1 -C6 ALKYL GROUPS. THE DISCLOSED CROSS-LINKER IS USED IN FILM COATING FORMULATION, PARTICULARLY, IN AQUEOUS COATING FORMULATIONS WHICH INCLUDE PAINTS, SEALANTS, NONWOVEN FABRIC BINDERS, LEATHER COATINGS, AND ADHESIVES.