abstract |
POLYAMIDES USEFUL AS THE HOT MELT ADHESIVES FOR VINYL RESINS ARE PREPARED FROM (A) DICARBOXYLIC ACIDS WHICH PREFERABLY CONTAIN A POLYMERIC FAT ACID COMPONENT, AND (B) A DIAMINE MIXTURE CONTAINING AN N,N''-DIPIPERAZYL COMPOUND OF THE FORMULA: 1-((2,3,5,6-TETRA(R''-)PIPERAZINO),2,3,5,6-TETRA(R''-)- PIPERAZINE |