Patent application number | Description | Published |
20080255313 | Cure System for Chlorinated Elastomer Compositions and a Method of Curing Chlorinated Elastomer Compositions - The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent, an inorganic base, and a quaternary ammonium salt. The quaternary ammonium salt has a formula selected from the group consisting of wherein R | 10-16-2008 |
20090076225 | VULCANIZABLE HALOGENATED ELASTOMER COMPOSITIONS - The invention provides compositions comprising nitrogen containing chelating agents, which can be used to reduce the effects of zinc contamination on the vulcanization rates of polymercapto based cure systems for halogenated elastomers. Such chelating agents are effective at eliminating vulcanization rate inconsistencies due to zinc contamination, without inducing negative changes to the vulcanization reaction or the subsequent physical properties of the halogenated elastomer vulcanizate. The invention also provides methods of curing a halogenated elastomer using the inventive compositions, and for articles prepared from the same. | 03-19-2009 |
20090326143 | CURE SYSTEM FOR HALOGENATED ELASTOMER COMPOSITIONS, A CURABLE HALOGENATED ELASTOMER COMPOSITION, AND A METHOD FOR CURING HALOGENATED ELASTOMER COMPOSITIONS - The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate. Furthermore, the method for curing a halogenated elastomer composition includes the following steps: (1) providing a chlorinated elastomer composition; (2) providing a cure system composition including a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate; (3) uniformly blending the cure system into the chlorinated elastomer composition; (4) thereby forming a curable chlorinated elastomer composition; (5) subjecting the curable chlorinated elastomer composition to heat or heat and pressure; and (6) thereby curing the curable chlorinated elastomer composition. | 12-31-2009 |
20100010152 | CURE SYSTEM OF HALOGENATED ELASTOMER COMPOSITIONS, A CURABLE HALOGENATED ELASTOMER COMPOSITION, AND A METHOD FOR CURING HALOGENATED ELASTOMER COMPOSITIONS - The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator. Furthermore, the method for curing a halogenated elastomer composition includes the following steps: (1) providing a chlorinated elastomer composition; (2) providing a cure system composition including a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator; (3) uniformly blending the cure system into the chlorinated elastomer composition; (4) thereby forming a curable chlorinated elastomer composition; (5) subjecting the curable chlorinated elastomer composition to heat or heat and pressure; and (6) thereby curing the curable chlorinated elastomer composition. | 01-14-2010 |
20100240818 | Impact Modification of Thermoplastics with Ethylene/Alpha-Olefin Interpolymers - Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles. | 09-23-2010 |
20100298515 | ETHYLENE/ALPHA-OLEFIN BLOCK COPOLYMERS - Embodiments of the invention provide a class of ethylene/α-olefin block interpolymers. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 11-25-2010 |
20110015354 | PROPYLENE/ALPHA-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of mesophase separated propylene/α-olefin block interpolymers with controlled block sequences. The propylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 01-20-2011 |
20110015363 | PROPYLENE/A-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of propylene/α-olefin block interpolymers. The propylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 01-20-2011 |
20110032621 | ETHYLENE/ALPHA-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of mesophase separated ethylene/α-olefin block interpolymers with controlled block sequences. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 02-10-2011 |
20110054121 | BUTENE/ALPHA-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of butene/α-olefin block interpolymers. The butene/α-olefin inter-polymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 03-03-2011 |
20110060103 | BUTENE/A-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of mesophase separated butene/α-olefin block interpolymers with controlled block sequences. The butene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 03-10-2011 |
20110082249 | BLOCK COMPOSITES IN SOFT COMPOUNDS - Embodiments of the invention provide block composites and their use in soft compounds. | 04-07-2011 |
20110082257 | BLOCK COMPOSITES AND IMPACT MODIFIED COMPOSITIONS - Embodiments of the invention provide block composites and their use as impact modifiers. | 04-07-2011 |
20110086963 | Processes to Control Fouling and Improve Compositions - Improved reaction processes comprise reacting a mixture to form a product comprising a metal alkyl, metal oxide, or mixture thereof and then passing said product to a post-reactor heat exchanger. The improvement comprises one or more of the following: (1) reacting said metal alkyl compound with an acid to produce a soluble metal ester; or (2) adding an ionic surfactant; or (3) adding a mixture comprising an antioxidant to the product under conditions sufficient to avoid formation of significant amounts of insoluble metal or metal compounds derived from said metal alkyl compound; or (4) purging said post-reactor heat exchanger with an inert gas under conditions to remove metal oxide from the post-reactor heat exchanger. | 04-14-2011 |
20110100438 | BUILDING INTEGRATED PHOTOVOLTAIC HAVING INJECTION MOLDED COMPONENT - The invention is a photovoltaic device comprising a photovoltaic cell assembly with an injection molded portion connected to at least one edge of the photovoltaic cell assembly where the body portion has properties and a composition enabling robust function over a period of years when the photovoltaic device is mounted on the exterior of a building. | 05-05-2011 |
20110313106 | CRYSTALLINE BLOCK COMPOSITES AS COMPATIBILIZERS - Embodiments of the invention provide crystalline block composites and their use as compatibilizers. | 12-22-2011 |
20110313107 | CRYSTALLINE BLOCK COMPOSITES AS COMPATIBILIZERS - Embodiments of the invention provide crystalline block composites and their use as compatibilizers. | 12-22-2011 |
20110313108 | CRYSTALLINE BLOCK COMPOSITES AS COMPATIBILIZERS - Embodiments of the invention provide crystalline block composites and their use as compatibilizers. | 12-22-2011 |
20130018150 | Impact Modification of Thermoplastics with Ethylene/Alpha-Olefin Interpolymers - Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles. | 01-17-2013 |
20130082215 | Electrically Conductive, Mesophase-Separated Olefin Multiblock Copolymer Compositions - Free radically crosslinked, electrically conductive compositions exhibiting a highly stable volume resistivity comprise an olefin multiblock copolymer (OBC) having a high, e.g., greater than 20 mole percent comonomer content, e.g., butylene or octene, and carbon black. These compositions exhibit a highly stable volume resistivity relative to a composition similar in essentially all aspects save that the high comonomer OBC is replaced with a low comonomer OBC of similar density and melt index. | 04-04-2013 |
20130177720 | Polymeric Composition and Sealant Layer with Same - Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene-based polymer; (B) an ethylene/a-olefin polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as retort pouch. | 07-11-2013 |
20130183465 | Polymeric Composition with Sealant Layer with Same - Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene/a-olefin interpolymer; (B) an ethylene-based polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as a retort pouch. | 07-18-2013 |
20130324658 | Thermoplastic Vulcanizate Composition, Method of Producing the Same, and Articles Made Therefrom - A thermoplastic vulcanizate composition comprising from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a first component comprising a first propylene-based polymer selected from the group consisting of (i) propylene/α-olefin copolymers comprising from 1 to 20 wt % α-olefin and characterized by a g′ ratio of less than 1, measured at interpolymer number average molecular weight (Mn), an MFR (2.16 kg @ 230° C.) greater than or equal to 0.01, a density greater than or equal to 0.850 g/cc, and a molecular weight distribution, Mw/Mn, less than or equal to 3.5, and (ii) combinations thereof; and from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a second component selected from the group consisting of curable or vulcanizable rubbers, having a density from 0.85 to 0.88 g/cc, I | 12-05-2013 |