Abstract:
A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
Abstract:
Metal complexes, addition polymerisation catalysts containing the same and olefin polymerisation processes using the same comprising a boratabenzene group or divalent derivative thereof are disclosed.
Abstract:
A polymer which has M n at least 4,000 and comprises polymerized units of a compound of formula NAr 1 Ar 2 Ar 3 ,wherein Ar 1 ,Ar 2 and Ar 3 independently are C 6 -C 50 aromatic substituents;Ar 1 ,Ar 2 and Ar 3 collectively contain at least two nitrogen atoms and at least 9 aromatic rings; and at least one of Ar 1 ,Ar 2 and Ar 3 contains a vinyl group attached to an aromatic ring.
Abstract translation:具有至少4,000的M n且包含式NAr 1 Ar 2 2化合物的聚合单元的聚合物, Ar 3,其中Ar 1,Ar 2和Ar 3独立地为C≡6, C 5 -C 50芳族取代基; Ar 1,Ar 2和Ar 3共同含有至少两个氮原子 原子和至少9个芳香环; 并且Ar 1,Ar 2和Ar 3中的至少一个含有连接到芳环上的乙烯基。 p>
Abstract:
A method for producing an organic charge transporting film. The method comprises steps of: (a) applying to a substrate a first polymer resin which has substituents which are sulfonic acids, sulfonic acid salts or esters of sulfonic acids; and (b) applying over the first polymer resin a second polymer resin having M w at least 3,000 and comprising arylmethoxy linkages.
Abstract:
Provided are organic compounds suitable for organic layers of electronic devices that show reduced driving voltage, increased luminous efficiency and/or increased power efficiency.
Abstract:
The present invention relates to a polymeric charge transfer layer comprising a polymer. The polymer comprises as polymerized units, Monomer A, Monomer B, and Monomer C crosslinking agent. The present invention further relates to an organic electronic device especially an organic light emitting device containing the polymeric charge transfer layer.
Abstract:
Disclosed is a light emitting device comprising a polymeric charge transfer layer, wherein the polymeric charge transfer layer is formed from a composition comprising a polymer, said polymer comprising one or more polymerized units derived from Structure A, and one or more polymerized units derived from Structure B, each as follows: A) a monomer having the Structure A, as defined herein: B) a monomer that comprises one or more dienophile moieties.
Abstract:
A combinatorial method for identifying a catalyst composition for use in the homogeneous addition polymerization of an olefin monomers, said catalyst composition comprising a transition metal compound, a cocatalyst and a polymerization modifier, as well as catalyst compositions and improved olefin polymerization processes resulting therefrom.
Abstract:
Copolymers, especially multi-block copolymer containing therein two or more segments or blocks differing in chemical or physical properties, are prepared by polymerizing propylene, 4-methyl- l-pentene, or other C 4 - 8 α-olefin and one or more copolymerizable comonomers, especially ethylene in the presence of a composition comprising the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
Abstract:
Addition polymerization catalysts comprising a metal complex containing a Group 4 metal in the +3 oxidation state, a delocalized pi -bonding moiety, and at least one stabilizing ligand, optionally in combination with an activating cocatalyst.