Dow Global Technolgoies LLC

Union Carbide Chemicals & Plastics Technology Corporation

Michael B Biscoglio

Bharat Indu Chaudhary

David P Wright

Brian W Walther

Eric P Wasserman

Laurence Herbert Gross

Carmelo Declet Perez

Kenneth T Devlin

Teresa Plumley Karjala

Mohamed Esseghir

I-Hwa Lee

Robert F Eaton

John Klier

Suh Joon Han

Manish K Mundra

Anthony Charles Neubauer

Jianping Pan

Santosh S Bawiskar

Abhijit Ghosh-Dastidar

Barry Alan Morris

James L Cooper

Neil W Dunchus

John A Naumovitz

Andong Liu

Jong Young Lee

Patrick M Russell

Yong Zheng

Guihong Liao

Yimsan Gau

Caroline H Laufer

Kawai Peter Pang

Yifan Y Dong

Thorne M Bartlett

Joseph Mehalick

Salvatore F Shurott

Stephen R Betso

Kawai P Pang

Salvatore P Shurott

James R Leech

The polymer blend includes at least 90% by weight low density polyethylene (LDPE) polymer and from 1% to 10% by weight acid copolymer based on the total weight of the polymer blend. In the polymer blend, the LDPE polymer has a melt index (I? 2 #191) from 2 g/10 min to 8 g/10 min as determined in accordance with ASTM D1238, and a molecular weight distribution from 5 to 10.5. In the polymer blend, the acid copolymer is a polymerized reaction product of: at least 60% by weight ethylene, based on the total weight of the monomers present in the ethylene acid copolymer; from 1% to 20% by weight monocarboxylic acid monomer, based on the total weight of the monomers present in the ethylene acid copolymer; and from 0 to 20% by weight alkyl acrylate monomer, based on the total weight of the monomers present in the ethylene acid copolymer.

Low density polyethylene with enhanced adhesion-to-aluminum foil by blending-in acid copolymer resins

The disclosure relates to a tie resin formulation for use as a tie layer in a multilayer structure. The resin includes a first polyolefin grafted with an ethylenically unsaturated carboxylic acid, an ethylenically unsaturated acid derivative or a combination thereof, and having a density of 0.857 to 0.885 g/cm, and 0.001 to 0.20 weight percent (wt. %) of a catalyst comprising at least one Lewis acid, where the resin includes the catalyst and up to 99.999 wt. % of the first polyolefin, where the wt. % is based on a total weight of the resin.

Resins for use as tie layer in multilayer structure and multilayer structures comprising the same

The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures including one or more layers formed from such blends. In one aspect, a polymer blend includes a copolymer including ethylene and at least one of acrylic acid and methacrylic acid having an acid content greater than 4 and up to 25 weight percent based on the weight of the copolymer and having a melt index (I.sub.2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene acrylic acid copolymer and ethylene methacrylic acid copolymer includes 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm.sup.3 or more and having a melt index (I.sub.2) of 20 g/10 minutes or less, wherein the polyolefin includes 1 to 55 weight percent of the blend based on the total weight of the blend.

Polymer blends for use in multilayer structure and multilayer structures comprising the same

Silane-grafted polyolefin composition comprising a brominated, flame retardant additive is prepared by a process comprising the step of contacting within a reaction-extrusion zone operated at grafting conditions:

Halogenated flame retardant systems for use in presence of silane grafting process

Silane-grafted polyolefin composition comprising a brominated, flame retardant additive is prepared by a process comprising the step of contacting within a reaction&#x2014;extrusion zone operated at grafting conditions: A. A polyolefin, B. A hydrolysable unsaturated silane, C. A free radical generator, and D. Halogenated polyaryl alkane, e.g., decabromodiphenyl ethane, such that at least a portion of the hydrolysable unsaturated silane is grafted to the polyolefin. The silane-grafted polyolefin is crosslinked after extrusion from the zone, typically as a wire and cable coating, upon exposure to moisture.

Processes for making a polyvinyl chloride (PVC) dry blend composition with a phthalate-free, bio-based plasticizer and filler, having a bulk density of greater than 0.67 g/cc and an extrusion rate of greater than 65 gm/minute for a single screw extruder of 0.75 in barrel diameter with a 25:1 L:D general purpose polyethylene screw at 75 rotations per minute screw speed, and compositions made by the processes are provided.

Process for mixing polyvinyl chloride with a bio-based plasticizer

Compositions comprising a polymer resin comprising at least one copolymer with hydrolysable groups, a water-generating metal salt hydrate, and a catalyst that comprises a metal atom and at least two ligands taken from the set alkyloxy and carboxylate are used to form articles that moisture-cure through in-situ generation of water via dehydration of the metal hydrate. The compositions are melt mixed to promote the dehydration and start the cure process during the mixing step. The curing compositions are formed and allowed to harden.

In-situ methods of generating water through the dehydration of metal salt hydrates for moisture crosslinking of polyolefins

Compositions comprising a polymer resin comprising at least one copolymer with hydrolyzable groups, a water-generating metal salt hydrate, and a catalyst that comprises a metal atom and at least two ligands taken from the set alkyloxy and carboxylate are used to form articles that moisture-cure through in-situ generation of water via dehydration of the metal hydrate. The compositions are melt mixed to promote the dehydration and start the cure process during the mixing step. The curing compositions are formed and allowed to harden.

The insulation shield layer of a power cable having a blend of ethylene copolymer, e.g., vinyl acetate, and a Styrenic polymer, e.g., polystyrene. The insulation shield layer is adjacent to a polyolefin insulation layer of the power cable.

Styrenic polymers as blend components to control adhesion between olefinic substrates

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Piscataway, NJ, United States of America

Michael B Biscoglio