Synergistic ultraviolet light stabilizer mixtures for mono-olefin polymers
polyolefins are stabilized against the degradative effects of ultraviolet light using mixtures of alkylene polysulfide polymers and conventional stabilizers such as hydroxy benzophenones, thiodipropionates and phenolic antioxidants.
Description
Patent History
Patent number: T985004
Type: Grant
Filed: Oct 12, 1978
Date of Patent: Aug 7, 1979
Inventor: Henry N. Paul, 3rd (Philadelphia, PA)
Application Number: 5/950,892
Type: Grant
Filed: Oct 12, 1978
Date of Patent: Aug 7, 1979
Inventor: Henry N. Paul, 3rd (Philadelphia, PA)
Application Number: 5/950,892
Classifications
Current U.S. Class:
260/457S;
260/457PH;
260/458NT;
260/4585S;
260/4595F
International Classification: C08K 537;
International Classification: C08K 537;
