Dow Global Technolgoies LLC

Guang Ming Li

Xiaosong Wu

Santosh S Bawiskar

Raymond Lynn Laakso, Jr

Laura Bauerle Weaver

Shrikant Dhodapkar

Lena T Nguyen

Jeffrey Morris Cogen

Kim Louis Walton

Yi Jin

Yushan Hu

Colin LiPiShan

Tao Han

Harold W Boone

Juan C Tuberquia

Stefan Ultsch

Michael Joseph Zogg, Jr

Timothy E Clayfield

Bo Lv

Edward O Madenjian

Wei Wang

Remi A Trottier

Rennisha R Wickham

Jozef J I Van Dun

Gerrit Groot-Enzerink

Yuming Lai

Lizhi Liu

Sherrika D Daniel

Gregory Earl Johnson

Alexandra E Frankel

Tianzi Huang

Cory M Thomas West

Lonnie Schilhab

Colin Lipishan

Gerrit Grootenzerink

Rerni A Trottier

Walter J Brown

Michael J Zogg Jr

Jr Raymond L Laakso

Gregory E Johnson

Jose M Rego

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

A process to make a friable bale, and a friable bale formed from the same, wherein the friable bale is formed from a composition comprising coated polymer particles, which comprise polymer particles formed from a polymer composition comprising an olefin-based polymer, and a coating formed from a coating composition comprising an aqueous metal acid dispersion, and an aqueous polysiloxane emulsion, and wherein the friable bale has a compression force ≤1.00 MPa.

Friable bales

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

The invention provides a composition comprising a first composition, comprising a first ethylene/alpha-olefin/non-conjugated polyene and a second ethylene ethylene/alpha-olefin/non-conjugated polyene, and wherein the first composition comprises the following property: Mw>1389.6 [g/mole] MV+115,000 g/mole, wherein MV is the Mooney Viscosity (ML 1+4, 125 C), and Mw N is the weight average molecular weight, as determined by conventional GPC.

Ethylene/alpha-olefin/polyene based compositions

A first composition comprising a first ethylene/α-olefin/diene interpolymer and a second ethylene/α-olefin interpolymer, and wherein the first composition comprises from 0.1 to 1.0 wt % diene, based on the weight of the first composition, and wherein the first composition comprises from 40 to 70 wt % ethylene, based on the weight of the first composition.

Ethylene/alpha-olefin interpolymer compositions with improved long term heat aging performance

A composition comprising at least the following components: A) one or more ethylene/alpha-olefin interpolymers, which comprise &#x2264;3.5 wt % of a non-conjugated diene, based on the weight of the one or more ethylene/alpha-olefin interpolymers; B) an acid acceptor selected from the following: MgO, ZnO, or combination thereof.

Ethylene/alpha-olefin interpolymer compositions with improved continuous high temperature resistance

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

The invention provides a composition comprising at least the following components: A) a first composition comprising a first ethylene/&#x3b1;-olefin block copolymer consisting of ethylene and C-C&#x3b1;-olefin comonomer; and where the first composition has a density from 0.87 g/cc to 0.90 g/cc, and a melt index (I) from 6.0 to 20.0 g/10 min; B) at least one filler that is capable of being excited by an alternating electromagnetic field at a frequency greater than, or equal to 10 MHz; C) at least one flame retardant selected from the group consisting of i) from 30.0 to 50.0 wt % of one or more non-halogen, inorganic flame retardant compounds, based on the weight of the composition; and ii) from 8.0 to 30.0 wt % of one or more halogen-containing flame retardant compounds, based on the weight of the composition; and D) at least one polar polymer.

High frequency weldable ethylene-based polymer compositions with good flame retardancy

The instant invention provides a polyolefin blend composition, process for producing the same, and articles made therefrom. The polyolefin blend composition according to the present invention comprises: (a) from 75 to 97 percent by weight of one or more random propylene copolymers having a DSC melting point in the range of from 120&#xb0; C. to 160&#xb0; C., and a melt flow rate (MFR) in the range of from 1 to 120 g/10 minutes; (b) from 3 to 25 percent by weight of one or more ethylene ?-olefin copolymers having a melt index (I2) in the range of from 100 to 1500 g/10 minutes, a density in the range of 0.860 to 0.910 g/cm3, and a molecular weight (Mw) in the range of from 10,000 to 50,000 g/mole, wherein said ethylene ?-olefin copolymer is homogenously branched copolymer, and wherein said ethylene ?-olefin copolymer is linear or substantially linear; (c) optionally from 5 to 15 percent by weight of one or more propylene ?-olefin interpolymers having a DSC melting point in the range of less than 110&#xb0; C., a heat of fusion in the range of less than 50 Joules/gram, and a crystallinity in the range of from at least 1 percent by to 40 percent by weight, and a melt flow rate in the range of less than 80 g/10 minutes.

Polyolefin blend composition and articles made therefrom

The instant invention provides a polymeric blend composition, injection molded articles, films and sheets made therefrom. The polymeric blend composition according to the present invention comprises: (a) a first component selected from the group consisting of an ethylene/alpha-olefin copolymer and a propylene/ethylene copolymer; wherein said ethylene/alpha-olefin co-polymer has density in the range of from 0.857 to 0.902 g/cm, a melt index (I) in the range of from 0.5 to 30 g/10 minutes, a DCS melting point temperature (second heat) in the range of from 40 to 99&#xb0; C., a heat of fusion in the range of from 18 to 108 Jg, and a crystallinity in the range of from 6 to 37 weight percent; and wherein propylene/ethylene copolymer has a melt flow rate in the range of from 1 to 30 g/10 minutes, a DCS melting point temperature (second heat) in the range of from 55 to 85&#xb0; C., a heat of fusion in the range of from 10 to 40 Jg, and a crystallinity in the range of from 6 to 21 weight percent; and (b) less than 40 percent by weight of a second component comprising an ethylene vinyl acetate copolymer comprising from 9 to 40 percent by weight of units derived from vinyl acetate, and wherein said ethylene vinyl acetate copolymer has a melt index (I) in the range of from 0.2 to 20 g/10 minutes; wherein &#x394;is less than 0.003, and wherein &#x394;is the absolute value of the difference between the refractive index of (a) and (b); and wherein dielectric loss factor of the polymeric blend composition is, equal to, or greater than, 0.024, for example in the range of greater than 0.024 to 0.15.

Polymeric blend composition

Growing community of inventors

Sugar Land, TX, United States of America

Guang Ming Li