Dow Global Technolgoies LLC

Rohm and Haas Company

Santosh S Bawiskar

Brian W Walther

Yi Jin

Shrikant Dhodapkar

Rajen M Patel

Xiaosong Wu

Kyle D Anderson

Remi A Trottier

Yong Zheng

Bharat Indu Chaudhary

Kim Louis Walton

Kalyan Sehanobish

Jeffrey C Munro

Harold W Boone

Michael Joseph Zogg, Jr

Guang Ming Li

Laura Bauerle Weaver

Manish K Mundra

Manish Talreja

Cristina Serrat

Jianping Pan

Abhijit Ghosh-Dastidar

Michael D Read

Hayley A Brown

Juan C Tuberquia

Yichi Zhang

Allan Walter Mclennaghan

Andong Liu

Michael B Biscoglio

Xindi Yu

Rennisha R Wickham

Peter C Dreux

Kate R Brown

Wanfu Ma

Qian Gou

Olaf Henschke

Ling Zhang-Watson

Gregory Earl Johnson

Sydney E Hansen

Lizhi Liu

Daniel S Rynearson

Tianzi Huang

Lonnie Schilhab

Kenneth Hin-Leong Ong

Chieh Ying Heah

Peter Yap

Peter Kwok-Wai Fung

Eric Hui Chin Tu

Greg Li

Barry D Kluge, Jr

Jr Michael J Zogg

Michael J Zogg Jr

Gregory E Johnson

Jr Barry D Kluge

The present disclosure provides a composition. In an embodiment, the composition includes a non-irradiated ethylene/propylene/non-conjugated polyene terpolymer (nr-terpolymer) and a branched ethylene/propylene/non-conjugated polyene terpolymer (b-terpolymer). The b-terpolymer has: (A) a Mooney viscosity (ML 1+4 @ 125° C.) from 35 MU to 120 MU; (B) a rheology ratio from 55 to 110; and (C) a phase angle δ from 20° to 39°.

EPDM blends with long chain branching

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

An apparatus to batch or continuously form solid polymer particles, the apparatus comprising the following components: A) at least one pastillation unit comprising a pastillation head, said unit used to form discrete molten polymer particles from a polymer melt; B) a moving belt to receive and transfer the discrete molten polymer particles from the pastillation head; C) a means to transfer water onto the moving belt, such that the water comes into contact with the discrete molten polymer particles on the moving belt to form the solid polymer particles; and wherein the water of component C is sprayed onto the discrete molten polymer particles, such that the ratio of 'the rate of water spray' to “the discharge rate” is ≥3.0; and wherein the belt residence time is ≤50 seconds.

Apparatus and method for granulating low viscosity materials

A process to form a polymer composition comprising an ethylene-based polymer and a functionalized ethylene-based polymer, said process comprising the steps described herein, which include passing a polymer melt through at least one static mixer, and wherein the functionalized ethylene-based polymer, in melt form, is introduced into the polymer melt, before the polymer melt enters the static mixer.

Process to form a composition containing functionalized and un-functionalized ethylene-based polymers

A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain&#x2265;1.80, and B) melt viscosity (at 177&#xb0; C.)&#x2264;50,000 mPa&#xb7;s.

Functionalized ethylene/alpha-olefin interpolymers with high graft levels

The present disclosure provides a packaging process and the resultant package produced from the process. The process includes introducing, into a mixing device, pellets composed of ethylene/propylene/diene polymer (EPDM). The EPDM comprises greater than 60 wt % units derived from ethylene. The pellets have a residual moisture content from 500 ppm to 2500 ppm. The process includes adding a silica-based powder to the mixing device and coating at least a portion of the pellets with the silica-based powder. The process includes sealing a bulk amount of the coated pellets in a bag made of a flexible polymeric film. The process includes absorbing, with the silica-based powder, the residual moisture from the pellets, and preventing moisture condensation in the bag interior for a period from 7 days after the sealing step to 1000 days after the sealing step.

EPDM packaging system and process

Articles made from a moisture-crosslinkable, polymeric composition comprising in weight percent based on the weight of the composition: (A) 10 to 99.99 wt % of a nonpolar ethylenic polymer grafted with silane functionality (Si-g-npPE), the npPE having the following properties before grafting: (1) a vinyl content of 0.2 to 0.7 per 1,000 carbon atoms, (2) a melt index of 1.5 to 7.0 dg/min, (3) a density of 0.913 to 0.965 g/cc, and (4) a molecular weight distribution (Mw/Mn) of equal to or less than 8; (B) 0.01 to 20 wt % of a silanol condensation catalyst; and (C) 0 to 70 wt % of a flame retardant additive; exhibit one or more of desirable (a) silane grafting efficiency; (b) hot creep performance as a cable jacket/insulation after moisture crosslinking; (c) retained dielectric strength after glancing impact as a moisture crosslinked cable construction; and (d) crush resistance as a moisture crosslinked cable construction.

Moisture-cured wire and cable constructions

A process to form a first composition comprising a functionalized olefin-based polymer comprises: a) polymerizing a composition comprising an olefin to form a reaction product comprising an olefin-based polymer; b) subjecting at least a portion of the reaction product to at least one devolatilization to form a polymer-rich melt, wherein step b) occurs downstream from and in-line with step a); and c) reacting at least a portion of the polymer-rich melt with at least one functionalization agent and, optionally, at least one free-radical initiator to form the first composition, wherein step c) occurs downstream from and in-line with step b), wherein 'the viscosity of the functionalized olefin-based polymer (177&#xb0; C./350&#xb0; F.)' to 'the viscosity of the olefin-based polymer (177&#xb0; C./350&#xb0; F.)' is from 0.1 to 5.0.

Non-extrusion process for functionalization of low viscosity polyolefins

Embodiments are directed to a tie layer composition comprising functionalized polyethylene, styrene block copolymer, base polyethylene, and antioxidant co-stabilizers, wherein the antioxidant co-stabilizers comprise at least one oxygen scavenger, at least one peroxy free radical scavenger, and at least one alkyl free radical scavenger. Further embodiments are directed to multilayer films or sheets which include the tie layer composition.

Tie layer compositions and multilayer films incorporating the same

A process to form an olefin-based polymer, said process comprising at least the following steps: a) polymerizing a reaction mixture comprising an olefin, in at least one reactor, in a solution polymerization, to form a polymer solution; b) feeding at least a portion of the polymer solution through at least one devolatilizer, to form the olefin-based polymer, in melt form; c) feeding at least a portion of the olefin-based polymer, in melt, form through a heat exchanger, and then into a pastillation apparatus to form polymer particles.

Polymerization and isolation of low viscosity polymers using pastillation technology

The present invention provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures including one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure that includes a high density polyethylene having a density greater than 0.960 g/cm3, wherein the high density polyethylene includes 1 to 99 weight percent of the resin, a maleic anhydride grafted high density polyethylene, wherein the maleic anhydride grafted high density polyethylene includes 1 to 99 weight percent of the resin, and a catalyst including at least one Lewis acid.

A process to form a functionalized ethylene-based polymer composition comprises reacting an ethylene-based polymer composition in at least one extruder with at least one functionalization agent and at least one free radical initiator at a melt temperature of greater than or equal to 200&#xb0; C. The functionalized ethylene-based polymer composition has a yellowness index (YI) value of less than or equal to 45 and a functionalization content of greater than or equal to 2.0 wt %, based on the weight of the functionalized ethylene-based polymer composition.

Highly grafted ethylene-based polymers, highly grafted ethylene-based polymer compositions, and processes for forming the same

A composition including (a) propylene/ethylene interpolymer having a density from 0.860 to 0.870 g/cc; (b) a propylene-based polymer selected from the group consisting of a homopolymer polypropylene, a random propylene/&#x3b1;-olefin interpolymer and any combination thereof and wherein the propylene-based polymer has a density &#x2265;0.885 g/cc; (c) a plasticizing agent; and (d) a third polymer selected from the group consisting of the following (i) a styrenic ethylene/butylene triblock copolymer having a Tg (rubber block) greater than, or equal, &#x2212;40&#xb0; C., (ii) less than, or equal to, 15 wt %, based on the weight of the composition, of an ethylene/&#x3b1;-olefin/diene interpolymer, or an ethylene/propylene copolymer, (iii) an ethylene vinyl acetate copolymer, and (iv) any combination thereof is provided. Further provided is an injection molded article comprising the composition and a process for making an injection molded article.

Composition, injection molded article made therefrom and process to make an injection molded article

Disclosed herein is a multilayered article comprising a core layer comprising a thermoplastic polymer; where the thermoplastic polymer comprises a polyolefin, thermoplastic starch, and a compatibilizer; where the compatibilizer does not contain ethylene acrylic acid; where the polyolefin is not polypropylene and where the polyolefin present in an amount of greater than 40 wt %, based on a total weight of the core layer; a first layer comprising a thermoplastic resin; and a second layer comprising a thermoplastic resin; where the first layer and the second layer are devoid of fillers; where the first layer is disposed on a side of the core layer that is opposed to the side that contacts the second layer; where the multilayered article has an optical clarity of greater than 80% when measured as per ASTM D 1746 and a total haze less than 8% when measured as per ASTM D 1003.

Multilayer films, methods of manufacture thereof and articles comprising the same

Growing community of inventors

Sugar Land, TX, United States of America

Santosh S Bawiskar