Dow Global Technolgoies LLC

Dow Agrosciences LLC

David T Gillespie

Mehmet Demirors

Jeffrey D Weinhold

Mridula Babli Kapur

Yijian Lin

James C Stevens

Edmund M Carnahan

Lonnie G Hazlitt

Daniel D VanderLende

Sylvie Y Desjardins

Teresa Plumley Karjala

Philip P Fontaine

Lori L Kardos

William James Michie, Jr

Stephanie M Whited

Sanjib Biswas

Jose Ortega

Douglas S Ginger

Rajen M Patel

Pradeep Jain

Carl N Iverson

Didem Oner-Deliormanli

Todd A Hogan

Mustafa Bilgen

Hayley A Brown

Daniel D Vanderlende

Colin Li Pi Shan

Nicolas Cardoso Mazzola

Wenbin Liang

Andy Cheng Chang

Colin LiPiShan

Thomas Oswald

Christopher R Eddy

James L Cooper

Ronald J Weeks

Rahul Sharma

Andrew T Heitsch

John A Naumovitz

Jacquelyn A Degroot

Keran Lu

Thomas J Parsons

David A Eversdyk

Jong Young Lee

Alexander W DeGroot

Zachary L Polk

Dale M Elley-Bristow

John L Sugden

Thomas W Kay

Fabricio Arteaga Larios

Peter Hermann Roland Sandkuehler

Hien Q Do

Sivarama Reddy Chennareddy

Toby Cicak

Arnaldo T Lorenzo

Charles Allen Williams

Donald L McCarty, Ii

Rodrigo Sarria

Peter B Arnoudse

Siddharth Ram Athreya

Jozef J I Van Dun

Alexander Willem deGroot

Scott R Kaleyta

Aleksandar Stoiljkovic

Eduardo Alvarez

Laura Nunez

John N Naumovitz

Chuan Yar Lai

Todd O Pangburn

Jian Wang

Kenneth S Laverdure

Christopher W Conrad

Thomas I Butler

Lanhe Zhang

Michael J Zogg

Mridula Kupar

Jacquelyn A DeGroot

Erica Spiekermann

Thomas T Oswald

William J Michie

Charles A Williams

Polyethylene compositions are disclosed that may have a density of 0.910 g/cmto 0.924 g/cmand a melt index (I) In of 0.1 g/10 minutes to 0.5 g/10 minutes and include a first polyethylene fraction area in the temperature range from 45° C. to 80° C. of an elution profile via improved comonomer composition distribution (iCCD) analysis method; a second polyethylene fraction area in the temperature range from 80° C. to 95° C. of the elution profile, and a third polyethylene fraction area in the temperature range from 95° C. to 110° C. of the elution profile. The second polyethylene fraction area may include at least 5% of the total area of the elution profile. The third polyethylene fraction area may include at least 25% of the total area of the elution profile. A ratio of the first polyethylene fraction area to the second polyethylene fraction area may be from 6 to 15.

Polyethylene compositions and films including polyethylene compositions

A nonwoven fabric comprises at least one fiber having a first component prepared from at least 75 wt. % of bimodalethylene/alpha-olefin interpolymer composition, wherein the ethylene/alpha-olefin interpolymer composition is characterized by: a density in the range of 0.930 to 0.965 g/cm, a melt index (I2) in the range of from 10 to 60 g/10 minutes, wherein the I2 is measured according to ASTM D1238, 190 C, 2.16 kg, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (M/M) as determined by GPC of from 1.5 to 2.6, a tan delta at 1 radian/second of at least 45, a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure, and a full width at half maximum of the high temperature peak is less than 6.0° C.

Non-woven fabric having ethylene/alpha-olefin polymer fibers

The present disclosure provides for a heat-shrinkable, biaxially stretched, multilayer thermoplastic film that includes at least a puncture resistant layer. The puncture resistant layer is formed with a polyethylene based plastomer having a density of 0.890 g/cmto 0.910 g/cmas measured in accordance with ASTM D-792, and a melt index (MI) as measured by ASTM D-1238 at 190° C./2.16 kg from 0.20 g/10 minutes to 1.5 g/10 minutes. The polyethylene based plastomer has a logMof an upper 25% of a GPC quadrant having a value of 5.1 to 5.7, an intermediate molecular weight distribution (Mw/Mn) of 2.5 to 3, a Mz/Mw value of 2 to 2.5, a Comonomer Distribution Constant value from 60 to 400 and a single SCBD peak between 40-85° C. with a mass fraction of less than 3% above 85° C. as determined by CEF, and a ZSVR value from 1.0 to 5.5. The multilayer thermoplastic film is biaxially stretched at a temperature of 60° C. to 120° C. with a blow-up ratio from 2:1 to 10:1.

Multilayer thermoplastic film with improved puncture resistance performance

Embodiments of polymer compositions and articles comprising such compositions contain at least one multimodal ethylene-based polymer having at least three ethylene-based components, wherein the multimodal ethylene-based polymer exhibits improved toughness.

Multimodal ethylene-based polymer compositions having improved toughness

Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cmto 0.970 g/cmwhen measured according to ASTM D792, and a melt index (I2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190&#xb0; C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDF) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDF/CDF) from 0.7 to 2.0.

Polyethylene formulations with improved barrier and environmental stress crack resistance

Embodiments of polymer compositions and articles comprising such compositions containing at least one LDPE and at least one multimodal ethylene-based polymer having at least three ethylene-based components.

Compositions comprising multimodal ethylene-based polymers and low density polyethylene (LDPE)

A composition comprising an ethylene-based polymer which comprises the following properties: a) MWD(conv) from 3.0 to 7.0; b) an ADF IR between 0.230 and 0.260 for molecular weight &#x2264;15,000 g/mol c) 12 from 4.0 to 6.5 g/10 min.

Ethylene-based polymers with good processability for use in multilayer films

Polyethylene formulations, articles produced therefrom, and methods of making articles are provided. The polyethylene formulation includes a multimodal high density polyethylene (HDPE) composition, and 1 ppm to 10,000 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cmto 0.970 g/cmwhen measured according to ASTM D792, and a melt index (I) of 0.01 g/10 min. to 1.0 g/10 min. when measured according to ASTM D1238 at 190&#xb0; C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDF) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDF/CDF) from 0.7 to 2.0.

Polyethylene formulations with improved barrier and toughness for molding applications

A composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) an Mw(abs) from 130,000 to 162,000 g/mol; b) a melt index (I2) from 1.5 to 3.0 g/10 min; c) an ADF LS from 0.350 to 0.450 for molecular weight &#x2265;500,000 g/mol.

Ethylene-based polymers with improved optics

The invention provides a composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) a Mw(abs)/Mw(conv) &#x3e;2.60; and b) a CDFR(at Mw&#x3c;10,000 g/mole) &#x3e;0.145.

Ethylene-based polymers and processes to make the same

A composition comprising an ethylene-based polymer, which comprises the following properties: a) (Mw(abs)/Mw(conv)&#x2212;2.00)*(100,000 g/mol/Mw(abs))*CDF?IR #191 (MW&#x2264;10,000 g/mol)&#x2265;0.030; and b) a melt index (I2) from 0.30 to 2.50 g/10 min.

A molded article formed from a polymer composition, the polymer composition consisting essentially of: an ethylene homopolymer or ethylene/alpha-olefin copolymer; greater than 20 ppm of a fluoropolymer; and optionally, up to 5 wt. % of one or more of processing aids, acid neutralizers, stabilizers, phosphites, antioxidants, metal de-activators, pigments or colorants, or fillers; wherein the molded article exhibits an oxygen transmission rate [OTR, (cc*mm)/(m*day*atm)]&#x2264;&#x2212;3181 (cc*mm)/g*m*day*atm)&#xd7;[Density, g/cc]+3077, (cc*mm)/(m*day*atm).

Molded articles and methods thereof

A system and method for the automated or semi-automated preparation of seeds for transformation and transgenic engineering.

System for seed preparation and method of use

A system and method for the automated or semi-automated imagining and orienting of seeds to prepare the seeds for transformation and transgenic engineering.

System for imaging and orienting seeds and method of use

The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an ethylene/&#x3b1;-olefin interpolymer composition comprising (a) from 50 to 75 percent by weight of a first ethylene/&#x3b1;-olefin copolymer fraction having a density in the range of 0.894 to 0.908 g/cm, a melt index (I) in the range of from 0.2 to 1 g/10 minutes, and (b) from 25 to 50 percent by weight of a second ethylene/&#x3b1;-olefin copolymer fraction, and wherein said ethylene/&#x3b1;-olefin interpolymer composition has a density in the range of 0.910 to 0.924 g/cm, a melt index (I) in the range of from 0.5 to 2 g/10 minutes, a zero shear viscosity ratio (ZSVR) in the range of from 1.15 to 2.5, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (M/M) in the range of from 2.0 to 4.0, and tan delta at 0.1 radian/second and 190&#xb0; C. in the range of from 6 to 43.

Polyolefin composition

Growing community of inventors

Pearland, TX, United States of America

David T Gillespie