Method for treating leather

Details Method for treating leather Method for treating leather

1993-12-01

1994-12-27

Jagannathan, Vasu S.

Stock material or miscellaneous articles

Composite

Of polyimide

428540, 427389, 427421, 525309, B05D 712, B32B 902, C14C 900, C08F26506

Patent

active

053764595

ABSTRACT:
The invention concerns graft copolymers, useful for the treatment of leather, comprising monomers of the formula ##STR1## grafted onto a base polymer comprising monomers of the formula ##STR2## wherein R.sub.1 and R.sub.2 stand for a hydrocarbon group having 2 to 24 carbon atoms, with the proviso that the groups R.sub.1 and R.sub.2 have van der Waals volumes which differ from one another by less than 30 percent.

REFERENCES:
patent: 4000958 (1977-01-01), Hirooka et al.
patent: 4876313 (1989-10-01), Lorah

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