公开(公告)号：US3769246A

公开(公告)日：1973-10-30

申请号：US3769246D

申请日：1971-05-10

申请人： PHILLIPS PETROLEUM CO

发明人： ROSTLER F

IPC分类号： C08L53/02 ,  C08L95/00 ,  C10C3/02 ,  E01C7/26 ,  E01C7/35 ,  C08C7/18 ,  C08C9/04 ,  C08D7/00 ,  C08F19/06

CPC分类号： E01C7/355 ,  C08L53/02 ,  C08L95/00 ,  C10C3/026 ,  E01C7/265 ,  C08L2666/02 ,  C08L2666/08

摘要： THIS INVENTION RELATES TO THE IMPROVEMENT OF THE RHEOLOGICAL PROPERTIES OF ASPHALTS IN ADDITION TO THE DURABILITY OF ASPHALTS BY MODIFICATION OF THE ASPHALTENES FRACTION AND/OR THE MALTENES FRACTION OF AN ASPHALT BY ADDING THERETO ELASTOMERS. THIS MAY BE ACCOMPLISHED BY ADDING EITHER AN N-PENTANE-SOLUBLE POLYMER OR AN N-PENTANEINSOLUBLE POLYMER OR A MIXTURE OF THE TWO.

公开(公告)号：US3660324A

公开(公告)日：1972-05-02

申请号：US3660324D

申请日：1970-03-02

申请人： JAPAN SYNTHETIC RUBBER CO LTD

发明人： ONCHI KOTARO

IPC分类号： C08L23/18 ,  C08J3/02 ,  C08J3/03 ,  C08L7/00 ,  C08L21/00 ,  C08L21/02 ,  C08L23/00 ,  C08L31/00 ,  C08L31/04 ,  C08L33/00 ,  C08L33/02 ,  C08L95/00 ,  C08L101/00 ,  C09J121/02 ,  C08C7/18 ,  C08D7/18 ,  C08F47/18

CPC分类号： C08J3/03 ,  C08J2321/00

摘要： A CATIONIC SURFACTANT COMPRISING AN ADDUCT OF ETHYLENE OXIDE AND AN ALKYLAMINE AND AN AMPHOLYTIC SURFACTANT OR LIGNIN DERIVATIVE ARE ADDED TO AN ORDINARY ANIONIC SYNTHETIC RUBBER LATEX AND THE PH OF THE LATEX IS MAINTAINED WITHIN A CERTAIN RANGE OF ABOUT 7.5 TO 2.0; A CATIONIC SYNTHETIC RUBBER LATEX IS OBTAINED WHICH IS NOT DILUTED WITH A GREAT AMOUNT OF AN AQUEOUS MEDIUM AND WHICH IS EXCELLENT IN DISPERSION STABILITY.