Patent ID: 6136987
Filing Date: 2000-10-24
Classification: C07C,C08K

Abstract:
A vulcanization accelerator for rubber comprising arylguanidinium xanthogenates of the formula (I) ##STR6## in which R.sup.1, R.sup.2 and R.sup.3 are aryl residues or hydrogen, wherein at least one of R.sup.1, R.sup.2 or R.sup.3 is an aryl residue,n is an integer from 1 to 6, or if Y represents a monomer unit of a polymer, n is an integer from 2 to 20,000,Y is a hydrocarbon residue derived from a mono- or polyhydric alcohol, wherein said residue may optionally contain heteroatoms, such as oxygen, sulfur or nitrogen, or, as a monomer unit, is part of a polymer (P.dbd.Y.sub.x), wherein x ranges from 2 to 5000.