Dow Global Technolgoies LLC

The Dow Chemical Company

University of Minnesota

Dupont Dow Elastomers Inc.

Eovations, LLC

Kim Louis Walton

Gary Robert Marchand

Edmund M Carnahan

Colin Li Pi Shan

Phillip Dene Hustad

Yunwa Wilson Cheung

Morgan Mark Hughes

Yushan Hu

Jeffrey D Weinhold

Rajen M Patel

Roger L Kuhlman

Yi Jin

Jeffrey C Munro

Colin LiPiShan

Benjamin C Poon

Eddy I Garcia-Meitin

Xiaosong Wu

Brian W Walther

Laura Bauerle Weaver

Pankaj Gupta

Pak-Wing Steve Chum

Seema V Karande

Selim Yalvac

Marc Andrew Hillmyer

Ashish Batra

Carl N Iverson

Mehmet Demirors

Mridula Babli Kapur

Pradeep Jain

H Craig Silvis

Philip P Fontaine

Wenbin Liang

Rongjuan Cong

Raymond Lynn Laakso, Jr

Yong Chen

Shaofu Wu

Cynthia L Rickey

Jerzy Klosin

Michael K Laughner

Haiyang Yu

David M Pearson

Yiyong He

Shrikant Dhodapkar

Theresa J Hermel-Davidock

Lixin Sun

Malcolm F Finlayson

Endre Szuromi

Stephen M Hoenig

Santosh S Bawiskar

Patricia L Roberts

Thomas W Karjala

Michael D Read

Jose Manu Rego

Didem Oner-Deliormanli

Brian A Jazdzewski

Henry George Heck

Hong Yang

Ronald J Weeks

Kevin Louis Nichols

Todd A Hogan

Juan C Tuberquia

Allan Walter Mclennaghan

Todd J Obijeski

Henry Martinez

Robert Thomas Johnston

Mary Ann Jones

XiaoHua Qiu

Angela N Taha

Brett M Birchmeier

Jose Eduardo Ruiz

Gary L Rath

Xuming Chen

Mark Thomas Berard

Guang Ming Li

Peter Simon Dias

Kyle G Kummer

Lamy J Chopin, Iii

Kyle D Anderson

Anthony J Castelluccio

Kate R Brown

David W Fuchs

Mark Grant Spencer

Dean Lee

Burcak Conley

Zhe Zhou

Douglas P Waszeciak

Paul A Pezzoli

Eva-Maria Kupsch

Suzanne M Guerra

David Hong Fei Guo

Wei Wang

Anteneh Z Worku

Russell P Barry

Sylvie Vervoort

Jon W Hobson

Xiaochun Liu

Takahiko Ohmura

Lei Ying

Sherrika D Daniel

Prashant Mandare

An article comprising a polymeric foam, wherein the polymeric foam contains a continuous polymer matrix defining cells therein, the polymer matrix containing: (a) from 25 to 65 weight percent of one or more olefin block copolymer having a melt index of two grams per ten minutes or more, (b) from 65 to 25 weight percent of one or more chlorinated olefin polymer having a Mooney viscosity less than 60 (ML 1+4, 125&#xb0; C.), and (c) from 5 to 30 weight parts of antimony trioxide relative to 100 weight parts of polymers in the polymeric foam, with weight percent values relative to total polymer weight in the polymeric foam; a process for preparing the article.

Article comprising a flame retardant polymeric foam

The present disclosure relates to a capped, multi- or dual-headed chain composition comprising derivatives of a strained olefin. The present disclosure further relates to a process for synthesizing the capped, multi- or dual-headed composition by using an organometallic compound and a co-catalyst in the presence of a catalyst precursor and a strained olefin. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization.

Capped multi- or dual-headed compositions useful for chain shuttling and process to prepare the same

Semi-crystalline, thermoplastic polyolefin block copolymers comprising: (A) A first polyolefin A block comprising isotactic poly(1-butene) (iPB); (B) A polyolefin B block comprising an ethylene and/or alpha-olefin/1-butene copolymer or terpolymer; and (C) A second polyolefin A block comprising isotactic poly(1-butene) (iPB); the A and B blocks bonded to one another to form a block copolymer in which the first and second polyolefin A blocks are joined to and separated by the polyolefin B block. In one embodiment the polyolefin block copolymer is a BAB block copolymer.

Semi-crystalline thermoplastic block copolymers

Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.

Mixed catalyst systems for producing multimodal elastomers

A composition comprising from 10 wt % to 86 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cmto 0.965 g/cm; from 10 wt % to 86 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; from 2 wt % to 22 wt % of an octene component including at least one octene based polymer having an octene content of at least 80 wt %; and from 2 wt % to 20 wt % of a composite component including at least one selected from the group of a crystalline block composite and a specified block composite, derived from at least ethylene and an alpha-olefin.

Polyolefin blends including polyoctene with compatibilizer

A composition comprising from 10 wt % to 90 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cmto 0.965 g/cm; from 10 wt % to 90 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; and from 1 wt % to 20 wt % of a composite component including a specified block composite, derived from at least ethylene and an alpha-olefin.

Polyolefin blends including compatibilizer

The present disclosure provides a composition. In an embodiment an adhesive composition is provided and includes

Hot melt adhesive composition

A process to produce a polyolefin reactive telechelic pre-polymer comprising reacting alkyl-cis-cyclooctene, and optionally cis-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions to form a dicarbamate telechelic unsaturated polyolefin pre-polymer is provided.

Process to produce a polyolefin reactive telechelic pre-polymer

The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent.

Functionalized block composite and crystalline block composite compositions

Disclosed herein is a multilayer film comprising a first layer and a second layer; and a tie layer; where the tie layer is disposed between the first layer and the second layer; the first layer being disposed on a first surface of the tie layer; the second layer being disposed on a second surface of the tie layer; where the second surface is opposedly disposed to the first surface; where the tie layer comprises a crystalline block composite and a carboxylated olefin copolymer.

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

Disclosed herein is a composition comprising a propylene based polymer; a polymeric ethylene ionomer; a vulcanizing agent that is a crosslinker and that is reactive with the polymeric ethylene ionomer; and a compatibilizer that is a crystalline block composite including (1) a crystalline ethylene based polymer, (2) a crystalline alpha-olefin based polymer derived from a C&#x3b1;-olefin, and (3) a block copolymer comprising 10 to 90 wt % of a crystalline ethylene block comprising at least 85 wt % of units derived from ethylene and 10 to 90 wt % of a crystalline alpha-olefin block comprising at least 90 wt % of units derived from the C&#x3b1;-olefin.

Dynamic vulcanization of a blend composition, methods of manufacture thereof and articles comprising the same

Embodiments relate to a high melt flow thermoplastic polyolefin composition and of a method of preparing a high melt flow thermoplastic polyolefin composition, in which the composition includes from 5 wt % to 45 wt % of a modifier including a blend of from 5 wt % to 40 wt % of a block composite and from 60 wt % to 95 wt % of a polyolefin copolymer, based on a total weight of the modifier, and from 30 wt % to 95 wt % of a polypropylene polymer base that has a melt flow rate of at least 40 g/10 min. The high melt flow thermoplastic polyolefin composition has a blended melt flow rate of at least 25 g/10 min and an MFR ratio is less than 2.0, the MFR ratio being a ratio of the melt flow rate of the polypropylene polymer base to the blended melt flow rate of the high melt flow thermoplastic polyolefin composition.

High melt flow thermoplastic polyolefins with modifier

A thermoplastic vulcanizate composition includes (A) greater than 15 wt % of a block composite that has (i) an ethylene/alpha-olefin/diene interpolymer in which the alpha-olefin is an alpha olefin monomer having from 3 to 10 carbon atoms and the diene is a diene monomer having from 2 to 25 carbon atoms, (ii) a propylene based polymer, and (iii) a block copolymer comprising a soft block and a hard block in which the soft block has the same composition as the ethylene/alpha-olefin/diene polymer and the hard block has the same composition as the propylene based polymer; and (B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.

Thermoplastic vulcanizate including a block composite

A hot melt adhesive composition includes (A) 10-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C2 and C4-10 a-olefin of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) an MWD of 4 or less, (iii) a density of 0.90 g/cc or less, and (iv) a Brookfield viscosity of less than 50,000 centipoise, (B) 1-60 wt % of a crystalline block composite comprising: (1) a crystalline ethylene based polymer; (2) a crystalline alpha-olefin based polymer derived from at least one of a C3-10 a-olefin; and (3) a block copolymer comprising 10-90 wt % of a crystalline ethylene block comprising greater than 90 mol % units derived from ethylene and comprising 10-90 wt % of a crystalline alpha-olefin block comprising greater than 90 mol % units derived from at least one of a C3-10 a-olefin, (C) Optionally, from greater than zero to 70 wt % tackifier, and (D) Optionally, from greater than zero to 40 wt % of at least one selected from the group of a wax and an oil.

Hot melt adhesive composition including a crystalline block composite

Embodiments of the invention provide a reinforced polypropylene comprising a multi-modal molecular weight distribution elastomer and a block composite.

Reinforced polypropylene composition

Growing community of inventors

Lake Jackson, TX, United States of America

Kim Louis Walton