C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 207/44 (2006.01) C07D 207/452 (2006.01) C07F 5/02 (2006.01) C07F 7/10 (2006.01) C07F 9/572 (2006.01) C08K 5/00 (2006.01) C08K 5/3415 (2006.01) C08K 5/36 (2006.01)
Patent
CA 2134654
2134654 9322377 PCTABS00027 Novel metal salts of (poly)citraconimide and (poly)itaconimide carboxylic acids, and a vulcanizable rubber composition comprising these novel metal salts and which, upon vulcanization, exhibits improved dynamic properties, are disclosed. Also disclosed are a sulfur-vulcanization process carried out in the presence of these metal salts and the product of said vulcanization process. The novel metal salts are represented by formulas (I) and (II), wherein R1, R2 and R3 are independently selected from hydrogen, C1-C18 alkyl groups, C3-C18 cycloalkyl groups, C6-C18 aryl groups, C7-C30 aralkyl groups and C7-C30 alkaryl groups and R2 and R3 may combine to form a ring when R1 is hydrogen; R4 is selected from divalent, trivalent or tetravalent linear or branched radical chosen from a C1-C18 alkyl, C2-C18 alkenyl, C2-C18 alkynyl, C3-C18 cycloalkyl, C3-C18 polycycloalkyl, C6-C18 aryl, C6-C30 polyaryl, C7-C30 aralkyl, C7-C30 alkaryl, oligomers of one or more of these radicals, and which radicals may optionally contain one or more of oxygen, nitrogen, silicon, phosphorus, sulfur, sulphone, sulfoxy and boron; B and B1 are independently selected from the following hetero atoms: oxygen and sulfur, X is a metal selected from Mg, Ti, Zn, Cd, Sr, Ba, Fe, V, Sn, Te, Mo, Mn, Pb and Al, m is an integer from 1-3 and n is an integer of from 2-4.
Datta Rabindra N.
Talma Auke G.
Akzo Nobel Nv
Swabey Ogilvy Renault
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