公开(公告)号：US3640929A

公开(公告)日：1972-02-08

申请号：US3640929D

申请日：1968-10-10

申请人： TURNER BROTHERS ASBEST

发明人： DARLING THOMAS W

IPC分类号： C08K5/29 ,  C08K7/12 ,  H01B17/26 ,  H01H1/06 ,  H01H9/34 ,  H01H9/44 ,  H01H33/32 ,  H02B13/045 ,  C08F29/02 ,  C08F45/60

CPC分类号： H01B17/265 ,  C08K5/29 ,  C08K7/12 ,  H01H1/06 ,  H01H9/34 ,  H01H9/44 ,  H01H33/32 ,  H01H2001/145 ,  H02B13/045 ,  C08L23/10 ,  C08L23/12

摘要： POLYPROPYLENE OR COPOLYMERS OF PROPYLENE REINFORCED WITH CHRYSOTILE ASBESTOS AND CONTAINING AN ANTIOXIDANT SYSTEM COMPRISING ONE OR MORE COMPOUNDS CONTAINING THE GROUP

-N=C(-N
AND A PHENOLIC COMPOUND SHOW GREATLY IMPROVED OXIDATION RESISTANCE. OXIDATION RESISTANCE MAY BE FURTHER INCREASED BY THE ADDITION OF CERTAIN SULPHUR COMPOUNDS, AND BY SUITABLE PRETREATMENT OF THE ABESTOS FIBER PRIOR TO COMPOUNDING.