Transition metal P-N complexes as polymerization catalysts
申请人:LANXESS Deutschland GmbH
公开号:EP2641909A1
公开(公告)日:2013-09-25
The present invention provides new metal complexes which can be advantageously used for homo- or copolymerization of at least one diene monomer optionally in the presence of one or more copolymerisable comonomers and which in particular provide cis-polydienes starting from conjugated dienes.
NOVEL DIARYLAMINE COMPOUNDS, AGING INHIBITOR, POLYMER COMPOSITION, CROSSLINKED RUBBER PRODUCT AND MOLDED ARTICLE OF THE CROSSLINKED PRODUCT, AND METHOD OF PRODUCING DIARYLAMINE COMPOUND
申请人:Sakamoto Kei
公开号:US20120101196A1
公开(公告)日:2012-04-26
There are provided a novel diarylamine compound represented by the following formula (I), (II) or (III), which has at least one signal attributable to the hydrogen of the N—H moiety at 8.30 ppm to 9.00 ppm when a deuterated dimethyl sulfoxide solution of the diarylamine compound is analyzed by
1
H-NMR; and an aging inhibitor, a polymer composition, a crosslinked rubber product and a molded article thereof, and a method of producing a diarylamine compound. In the formulas, A
1
to A
6
each represent an aromatic group which may have a substituent; A represents an aromatic group or a cyclic aliphatic group, which may both have a substituent; L represents 1 or 2; and n represents 0 or 1.
CROSS-LINKABLE NITRILE RUBBER COMPOSITION AND CROSS-LINKED RUBBER
申请人:Ikeda Shinya
公开号:US20100256294A1
公开(公告)日:2010-10-07
A cross-linkable nitrile rubber composition containing a highly saturated nitrile rubber (a) having an α,β-ethylenically unsaturated nitrile monomer unit and a carboxyl-group containing monomer unit and having an iodine value of 120 or less, a cross-linking agent (b), and a specific cyclic amidine and/or cyclic amidinium salt (c) is provided. Preferably, the cross-linking agent (b) is a polyamine-based cross-linking agent (d), and more preferably, the carboxyl-group containing monomer unit is an α,β-ethylenically unsaturated dicarboxylic acid monoester monomer unit.
CROSS-LINKABLE NITRILE RUBBER COMPOSITION AND METHOD OF PRODUCTION OF SAME
申请人:Emori Nobuyoshi
公开号:US20120214945A1
公开(公告)日:2012-08-23
A cross-linkable nitrile rubber composition obtained by mixing a master batch (B) which contains a nitrile copolymer rubber (b
1
) having an iodine value of 120 or less and an aromatic polyvalent amine cross-linking agent (b
2
) into a carboxyl group-containing nitrile copolymer rubber (A) having an iodine value of 120 or less and a cross-linked product obtained by cross-linking the same are provided.
An adhesive composition containing a latex of a highly saturated nitrile rubber (A) which has α,β-ethylenically unsaturated nitrile monomer units 10 to 55 wt %, conjugated diene monomer units 25 to 89 wt %, and α,β-ethylenically unsaturated dicarboxylic acid monoester monomer units 1 to 20 wt % and has an iodine value of 120 or less and a polyvalent amine compound (B).