Patent application number | Description | Published |
20080262175 | Catalyst Composition Comprising Shuttling Agent for Regio-Irregular Multi-Block Copolymer Formation - Copolymers, especially multi-block copolymer containing therein two or more segments or blocks, are prepared by polymerizing propylene, 4-methyl-1-pentene, or another C | 10-23-2008 |
20080311812 | Catalyst Composition Comprising Shuttling Agent for Higher Olefin Multi-Block Copolymer Formation - 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-1-pentene, or other C | 12-18-2008 |
20090111944 | PSEUDO-BLOCK COPOLYMERS AND PROCESS EMPLOYING CHAIN SHUTTLING AGENT - A process for the polymerization of one or more addition polymerizable monomers to form a copolymer comprising multiple regions or segments of differentiated polymer composition or properties comprising contacting an addition polymerizable monomer or mixture of monomers under addition polymerization conditions with a composition comprising at least one olefin polymerization catalyst, a cocatalyst and a chain shuttling agent, said process being characterized by formation of at least some of the growing polymer chains under differentiated process conditions such that two or more blocks or segments formed within at least some of the resulting polymer are chemically or physically distinguishable. | 04-30-2009 |
20090163667 | CATALYTIC OLEFIN BLOCK COPOLYMERS VIA POLYMERIZABLE SHUTTLING AGENT - A polymerization process and the resulting polymer composition, said process comprising polymerizing one or more addition polymerizable monomers and a polymerizable shuttling agent in the presence of at least one addition polymerization catalyst comprising a metal compound or complex and a cocatalyst under conditions characterized by the formation of a branched polymer, preferably comprising pseudo-block molecular architecture. | 06-25-2009 |
20100010161 | PRODUCTION OF METATHESIS PRODUCTS BY HIGH MELTING POLYMER SEGMENT INTERCHANGE - Two or more chemically distinguishable ethylenically unsaturated polymers, at least one having from 0.001 to 50 mole percent unsaturation and at least one other having an expected Tg or measured Tm value greater than 100° C. are cross-metathesized to form thermoplastic elastomers having improved performance properties. | 01-14-2010 |
20100069573 | PRODUCTION OF META-BLOCK COPOLYMERS BY POLYMER SEGMENT INTERCHANGE - Meta-block copolymers and a process for preparing a product mixture comprising meta-block copolymers by contacting a metathesis catalyst under metathesis conditions with a composition comprising two or more ethylenically unsaturated polymers, said unsaturation defining one or more polymer segments in each ethylenically unsaturated polymer, at least one polymer segment in at least one ethylenically unsaturated polymer being chemically distinguishable from at least one polymer segment in at least one other ethylenically unsaturated polymer, characterized in that each meta-block copolymer in the product mixture comprises a random distribution of said chemically distinguishable polymer blocks. | 03-18-2010 |
20100168352 | PRODUCTION OF TELECHELIC COMPOUNDS BY METATHESIS DEPOLYMERIZATION - Telechelic unsaturated polymers suitable for conversion to functionalized derivatives such as polyols are prepared by metathesis of an unsaturated copolymer formed by addition polymerization of ethylene, a diene or alkyne and, optionally, one or more C | 07-01-2010 |
20100222513 | PRODUCTION OF METATHESIS PRODUCTS BY AMORPHOUS POLYMER SEGMENT INERCHANGE - A cross-metathesized product mixture is prepared by contacting a metathesis catalyst under metathesis conditions with a composition comprising two or more chemically distinguishable ethylenically unsaturated polymers, at least one of said ethylenically unsaturated polymers (first polymer) having from 0.001 to 50 mole percent unsaturation and at least one other of said ethylenically unsaturated polymers (second polymer) being an amorphous polymer having a Tg less than 0° C. and having from 0.001 to 5 mole percent unsaturation. | 09-02-2010 |
20110092651 | Catalytic Olefin Block Copolymers Via Polymerizable Shuttling Agent - A polymerization process and the resulting polymer composition, said process comprising polymerizing one or more addition polymerizable monomers and a polymerizable shuttling agent in the presence of at least one addition polymerization catalyst comprising a metal compound or complex and a cocatalyst under conditions characterized by the formation of a branched polymer, preferably comprising pseudo-block molecular architecture. | 04-21-2011 |
20110118416 | Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation - 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:
| 05-19-2011 |
20110124818 | Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation - 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:
| 05-26-2011 |
20110230108 | CATALYST COMPOSITION COMPRISING SHUTTLING AGENT FOR HIGHER OLEFIN MULTI-BLOCK COPOLYMER FORMATION - A process for preparing polymers, especially multi-block copolymer containing therein two or more segments or blocks differing in chemical or physical properties, by contacting propylene, 4-methyl-1-pentene, or other C | 09-22-2011 |
20120064456 | PHOTORESIST COMPOSITIONS AND METHODS OF FORMING PHOTOLITHOGRAPHIC PATTERNS - Provided are photoresist compositions useful in forming photolithographic patterns by a negative tone development process. Also provided are methods of forming photolithographic patterns by a negative tone development process and substrates coated with the photoresist compositions. The compositions, methods and coated substrates find particular applicability in the manufacture of semiconductor devices. | 03-15-2012 |
20120083575 | COMB ARCHITECTURE OLEFIN BLOCK COPOLYMERS - Embodiments of the invention provide a comb architecture olefin block copolymer, a method of making the comb olefin block copolymer and blends comprising the comb olefin block copolymer. | 04-05-2012 |
20120165486 | DUAL- OR MULTI-HEADED CHAIN SHUTTLING AGENTS AND THEIR USE FOR PREPARATION OF BLOCK COPOLYMERS - This disclosure relates to olefin polymerization catalysts and compositions, their manufacture, and the production of polyolefins using specific catalyst compositions, including the use of chain-shuttling agents in the olefin polymerization process. Specifically, this disclosure provides for dual-headed and multi-headed chain shuttling agents (CSAs or MSAs) and for their use in preparing blocky copolymers. By controlling the ratio of dual-headed and multi-headed CSA sites to mono-headed CSA sites, a blocky copolymer can be provided having properties such as a narrow molecular weight distribution and/or improved melt properties. | 06-28-2012 |
20130030092 | Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation - 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:
| 01-31-2013 |
20140065550 | POLYMER COMPRISING END GROUPS CONTAINING PHOTOACID GENERATOR, PHOTORESIST COMPRISING THE POLYMER, AND METHOD OF MAKING A DEVICE - A polymer comprises the polymerized product of unsaturated monomers comprising an acid-deprotectable monomer, a base-soluble monomer, a lactone-containing monomer, a photoacid-generating monomer, or a combination comprising at least one of the foregoing monomers, with a chain transfer agent of Formula (I); | 03-06-2014 |
20140249286 | Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation - 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:
| 09-04-2014 |