Abstract: The invention provides a process to form an ethylene-based polymer, said process comprising polymerizing ethylene in the presence of at least one free-radical agent, and in the presence of a “metal alkyl-containing compound” selected from the group consisting of the following: i) at least one “Group II metal alkyl-containing compound,” ii) at least one “Group III metal alkyl-containing compound,” or iii) a combination of i) and ii). The invention also provides a composition comprising at least one ethylene-based polymer, prepared from a free-radical polymerization, and wherein the ethylene-based polymer has the following property: y>0.28567x?0.00032, wherein y=vinyl/1000 C, as determined by 1H NMR, and x=mol % polymerized ?-olefin, as determined by 13C NMR. The invention also provides a composition comprising at least one ethylene-based polymer, prepared from a free-radical polymerization, and wherein the ethylene-based polymer has the following properties: A) a vinyl content greater than, or equal to, 0.
Type:
Application
Filed:
June 21, 2012
Publication date:
May 15, 2014
Applicant:
Dow Global Technologies LLC
Inventors:
Sean W. Ewart, Teresa P. Karjala, Sarat Munjal, Mehmet Demirors
Abstract: The invention generally relates to blocked prepolymers. More specifically, the invention generally relates to plastisol compositions comprising the blocked prepolymers. The blocked prepolymer is the reaction product of at least an isocyanate terminated prepolymer and a blocking agent, wherein the blocking agent is a nitrogen containing blocking agent. The isocyanate terminated prepolymer is the reaction product of at least one or more polyols comprising at least one polyol having an amine initiator and a stoichiometric excess of one or more organic polyisocyanate components.
Abstract: Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.
Abstract: The present disclosure includes a waterborne polyolefin based coating layer that has improved features as compared to epoxy coatings. The coating composition of the present disclosure include 40 to 80 weight percent (wt. %) of a base polymer; 10 to 30 wt. % of a polymeric stabilizing agent; 5 to 15 wt. % of a polymeric coupling agent; 0 to 35 wt. % of a polymeric performance improving agent; a neutralizing agent that partially or fully neutralize the polymeric stabilizing agent; and a fluid medium, where the wt. % values are based on the total weight of the base polymer, the polymeric coupling agent, the polymeric stabilizing agent and, when present, the polymeric performance improving agent (as used herein, this total weight of the base polymer, the polymeric coupling agent, the polymeric stabilizing agent and, when present, the polymeric performance improving agent may be referred to as the “solid content” of the coating composition).
Type:
Grant
Filed:
December 28, 2012
Date of Patent:
May 13, 2014
Assignee:
Dow Global Technologies LLC
Inventors:
Jay D. Romick, Qing Zhang, David L. Malotky, Richard A. Lundgard, Jodi M. Mecca
Abstract: A process is taught, comprising polymerizing ethylene in the presence of a catalyst to form a crystalline ethylene-based polymer having a crystallinity of at least 50% as determined by DSC Crystallinity in a first reactor or a first part of a multi-part reactor and reacting the crystalline ethylene-based polymer with additional ethylene in the presence of a free-radical initiator to form an ethylenic polymer in at least one other reactor or a later part of a multi-part reactor.
Type:
Grant
Filed:
December 3, 2010
Date of Patent:
May 13, 2014
Assignee:
Dow Global Technologies LLC
Inventors:
Teresa P. Karjala, Sean W. Ewart, Christopher R. Eddy, Alfred E. Vigil, Jr., Mehmet Demirors, Sarat Munjal, Wallace W. Yau
Abstract: The present invention provides novel nanoscale cellulose particles and also a process for their production. The cellulose-based particles obtained have volume-averaged particle sizes of less than 300 nm. These nanoparticles are produced from amorphous cellulose or by amorphization of cellulose, optional subsequent hydrolysis and by input of energy into a water-containing medium after or during dispersion.
Type:
Grant
Filed:
August 8, 2008
Date of Patent:
May 13, 2014
Assignee:
Dow Global Technologies LLC
Inventors:
Klaus Nachtkamp, Jürgen Engelhardt, Christa Krüger, Steffen Fischer, Manfred Pinnow, Kay Hettrich
Abstract: A building structure includes a framework of: (a) metal studs having walls that define an interior channel; (b) a cellular backing material extending lengthwise within the interior channel of at least a portion of the metal studs; (c) a thermally insulating layer extending over multiple metal studs; (d) fasteners extending through the thermally insulating layer, through a wall of a metal stud and into the cellular backing material within the interior channel of the metal stud; and (e) a cladding attached to the framework of metal studs by means of the fasteners.
Type:
Grant
Filed:
June 24, 2013
Date of Patent:
May 13, 2014
Assignee:
Dow Global Technologies LLC
Inventors:
Prashant Sharad Shembekar, Myron J. Maurer, Elena Enache Pommer, Gary D. Parsons, Jeffrey M. Hansbro, John E. Lastovica, III, Michael H. Mazor, Craig S. Buck
Abstract: A dispensing device for dispensing compressed fluid from a can through a valve stem of the can has a hollow tube with a channel extending through it from an entrance end to an opposing dispensing end, a connector defining a conduit therethrough that is in fluid communication with the channel of the hollow tube and that attaches to a valve stem of a can, a plug located within the channel of the hollow tube that forms a sealing configuration within the channel when pressed towards the dispensing end of the channel, and a sleeve that wraps at least partially around the hollow tube and that has a protrusion that upon activating the sleeve extends through the dispensing end of the hollow tube and prevents the plug from establishing a sealing configuration with the hollow tube.
Type:
Grant
Filed:
February 16, 2012
Date of Patent:
May 13, 2014
Assignee:
Dow Global Technologies LLC
Inventors:
Mary M. Hoagland, Peter J. Schulz, Christopher J. Siler
Abstract: A two-package moisture curable composition is provided. The composition comprises a first part comprising at least one silane terminated polyurethane and a second part comprising at least one silanol terminated polysiloxane; wherein the silane terminated polyurethane based polymer has at least one end group of the general formula: —A—(CH2)m-SiR1n(OR2)3-n, where A is a urethane or urea linkage group, R1 is selected from C1-12 alkyl, alkenyl, alkoxy, aminoalkyl, aryl and (meth)acryloxyalkyl groups, R2 is each substituted or unsubstituted C1-1-8 alkyl or C6-C20 aryl groups, m is an integer from 1 to 60 and n is an integer from 0 to 1; wherein the silane terminated polyurethane is prepared using natural oil polyols and their derivatives; and wherein the composition, after moisture cured, forms a surface whose water contact angle is larger than 101°. The composition is suitable for applications in antifouling coatings which afford low surface energy and improved mechanical performance.
Type:
Grant
Filed:
April 20, 2012
Date of Patent:
May 13, 2014
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Inventors:
Yan Huang, Hongyu Chen, John Roper, III, Christopher Tucker, Gerald Vandezande, Yanxiang Li, Yu Zhang
Abstract: The invention relates to processes for the etherification of olefins with alcohols. According to one aspect, a heterogeneous etherification catalyst is used under conditions that permit limiting the contact time between the desired product and the catalyst, thereby mitigation reverse reactions. According to a second aspect, a recycling process is used that significantly increases the yield of desired product.
Type:
Grant
Filed:
April 27, 2009
Date of Patent:
May 13, 2014
Assignee:
Dow Global Technologies LLC
Inventors:
Edward D. Daugs, Derrick W. Flick, Cynthia L. Rand, Michael L. Tulchinsky, Wanglin Yu
Abstract: Composite membranes including a coating of polyalkylene oxide and acetophenone compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and an acetophenone compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more acetophenone functional groups.
Abstract: This invention relates to methods of forming an elastic, breathable film/nonwoven layer laminate. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines. The compositions of the present invention preferably comprise an elastomeric polyolefin resin and a high pressure low density type resin.
Type:
Grant
Filed:
August 21, 2012
Date of Patent:
May 13, 2014
Assignee:
Dow Global Technologies LLC
Inventors:
Andy C. Chang, Stephen M. Hoenig, Yunwa W. Cheung, Daniel G. Moldovan, Wenbin Liang, Charles F. Diehl
Abstract: The present disclosure provides compositions, films and articles containing a random propylene/ethylene copolymer and a substituted phenylene aromatic diester. Polymerization with an improved catalyst system increases the amount of ethylene incorporated into the random propylene/ethylene copolymer backbone which results in improved thermal properties, improved optical properties, and improved heat seal properties.
Type:
Application
Filed:
July 27, 2012
Publication date:
May 8, 2014
Applicant:
Dow Global Technologies LLC
Inventors:
Li-Min Tau, Chai-Jing Chou, John Kaarto, Peter S. Martin, William G. Sheard
Abstract: Embodiments include curable compositions including an epoxy resin and a hardener component including a terpolymer having first constitutional unit, a second constitutional unit, and a third constitutional unit, where the epoxy group to the second constitutional unit has a molar ratio in a range of 1.0:1.0 to 2.7:1.0. Embodiments include prepregs that include a reinforcement component and the curable composition and an electrical laminate formed with the curable composition.
Type:
Application
Filed:
June 30, 2011
Publication date:
May 8, 2014
Applicant:
DOW Global Technologies LLC
Inventors:
Jia Wen Xiong, Hongyu Chen, Michael Mullins, Chao Zhang, Annie Gui Hong Liao, Wayne Yi Zhang
Abstract: The present invention meets one or more of the above needs and is a composition comprising plurality of capsules wherein the capsules comprise: a core of one or more highly polar liquids; one or more polar active materials dissolved in or dispersed in one or more highly polar liquids; a mixture of one or more polymers and one of more highly polar liquids; or a mixture of one or more polymers, one or more highly polar liquids and one or more polar active materials, and a shell comprising, particles in a polymer matrix or particles; wherein the thickness of the shell is sufficient to prevent passage of the highly polar liquid or the active material through the shell or to control the rate passage of the highly polar liquid or the active material through the shell with the proviso that the one or more polymers may be located in the core, in the polymer matrix of the shell or both.
Type:
Application
Filed:
May 31, 2012
Publication date:
May 8, 2014
Applicants:
ROHM and HAAS COMPANY, Dow Global Technologies LLC
Inventors:
Ian J. Drake, Andrew Hughes, Christopher J. Tucker, Thomas H. Kalantar, Joshua S Katz
Abstract: Embodiments include a curable composition comprising an epoxy resin, a non-halogen flame retardant agent comprising at least two of an aryl-cyanato group and at least two of a phosphorus group, and a styrene and maleic anhydride copolymer. Embodiments include method of preparing the curable composition, prepregs that include a reinforcement component and the curable composition, and an electrical laminate formed with the curable composition.
Abstract: Porous composites of acicular mullite and tialite are formed by firing an acicular mullite body in the presence of an oxide of titanium. In some variations of the process, the oxide of titanium is present when the acicular mullite body is formed. In other variations, the oxide of titanium is applied to a previously-formed acicular mullite body. Surprisingly, the composites have coefficients of linear thermal expansion that are intermediate to those of acicular mullite and tialite alone. Some of the tialite is believed to form at grain boundaries and/or points of intersection between acicular mullite needles, rather than merely coating the needles. The presence of the titanium oxide(s) during acicular mullite formation does not significantly affect the ability to produce a highly porous network of mullite needles.
Type:
Application
Filed:
March 29, 2012
Publication date:
May 8, 2014
Applicant:
Dow Global Technologies LLC
Inventors:
Daniel Grohol, Mark L. Dreibelbis, Michael T. Malanga
Abstract: The present invention generally pertains to multilayer film comprising four or more discrete layers. The films contain two external layers, an internal stiffening layer and an internal shrink layer. The external layers comprise linear low density polyethylene resin, the stiffening layer comprises polypropylene or a high density polyethylene and the shrink layer comprises low density polyethylene. The multilayer films of the present invention are characterized by having a gloss of at least 62% at 45 degrees, together with a 2% secant tensile modulus greater than 400 MPa.