Abstract: Semicrystalline polyethylene-2,2?-bifuran-5,5?-dicarboxylate (PEBF) homopolyester or copolyester with up to 5 mole percent isophthalate or up to 2.7 mole percent terephthalate, based on the diacid component, or up to 2.5 mole percent 1,4-cyclohexanedimethanol (CHDM), based on the diol component, prepared by esterifying or transesterifying the diacid and the diol components with a catalyst including about 10 to about 50 ppm wt metal, and polycondensation, wherein the bifuran polyester has an intrinsic viscosity of at least 0.4 g/dL and a semicrystalline melting peak (Tm) with ?Hf equal to or greater than 5 J/g on the second heating ramp.
Type:
Grant
Filed:
November 13, 2019
Date of Patent:
February 27, 2024
Assignees:
ExxonMobil Chemical Patents, Inc., Virginia Tech Intellectual Properties, Inc.
Inventors:
Monica Lotz, Kapil Kandel, Michael Salciccioli, Stephen Cohn, Alan A. Galuska, Javier Guzman, S. Richard Turner, Hans Eliot Edling, Edward E. Paschke
Abstract: Polyester resin compositions that are desirable for use in solvent-borne metal packaging and coil coating applications, the composition comprising: (a) a polyester comprising residues of: (i) terephthalic acid and isophthalic acid; and (ii) a blend of at least two glycols; wherein the amount of terephthalic acid is 15 mole percent to 20 mole percent and the amount of isophthalic acid is 80 to 85 mole percent wherein the total amount of terephthalic acid and isophthalic acid in the resin equals 100 mole percent; and (b) a non-aqueous solvent; wherein the composition remains clear at a temperature of 20-30° C. for at least 120 days.
Type:
Grant
Filed:
February 5, 2020
Date of Patent:
February 27, 2024
Assignee:
Eastman Chemical Company
Inventors:
Katelyn Rose Houston, Jeremy Richard Lizotte, Jessica Nicole Aldred, John Thorton Maddox
Abstract: The present disclosure provides a thin film including a first thermoplastic polyolefin (TPO) elastomer which is anhydride-grafted. The present disclosure further provides a method for manufacturing the thin film, a laminated material and a method for adhesion.
Abstract: A poly(imide-ester-amide) copolymer and an optical film are provided. The poly(imide-ester-amide) copolymer includes imide bonds, ester bonds, and amide bonds. A molar ratio of the imide bonds, the ester bonds, and the amide bonds is 40 to 80:10 to 30:5 to 30. The imide bonds are derived from an aromatic diamine monomer and a tetracarboxylic dianhydride monomer. The amide bonds are derived from an aromatic dicarboxylic acid dichloride monomer and an aromatic diamine monomer or is derived from the aromatic dicarboxylic acid dichloride monomer and an alkoxysilane containing an amine group or an isocyanate group.
Abstract: Binder compositions are described that include a phenol, a urea compound, formaldehyde, and at least one cyclic urea-dialdehyde compound. The cyclic urea-dialdehyde compound forms crosslinking bonds between polymers of phenol-urea-formaldehyde when the binder composition is cured. Also described are methods of making fiberglass insulation products using the above-described binder compositions. The methods may include contacting the binder composition with glass fibers and forming an amalgam of the binder composition and the glass fibers. The amalgam may be heated to form mats of the glass fibers and binder. The mats may be processed into the fiberglass insulation products.
Abstract: A polyester resin has excellent adhesiveness and excellent grindability. The polyester resin includes a constitutional unit A derived from a carboxylic acid having a cyclic structure and containing 5 or more carboxyl groups, a constitutional unit derived from a dicarboxylic acid, and a constitutional unit derived from a polyhydric alcohol. The constitutional unit A has a content of 0.01 parts by mole or more and 45 parts by mole or less with respect to 100 parts by mole of the constitutional unit derived from a dicarboxylic acid. The hydroxyl value of the polyester resin is 6 mgKOH/g or more and 27 mgKOH/g or less.
Abstract: The present disclosure relates to downhole fluid additives including a clay, a hydroxylated polymer, a cation, and water. The disclosure further relates to downhole fluids, including drilling fluids, spaces, cements, and proppant delivery fluids containing such as downhole fluid additive and methods of using such fluids. The downhole fluid additive may have any of a variety of functions in the downhole fluid and may confer any of a variety of properties upon it, such as salt tolerance or desired viscosities even at high downhole temperatures.
Type:
Grant
Filed:
October 5, 2021
Date of Patent:
February 13, 2024
Assignee:
Halliburton Energy Services, Inc.
Inventors:
Vivek S. Goel, Peter James Boul, Xueyu Pang, Lee J. Hall, Jay P. Deville, Samuel J. Lewis, B. Raghava Reddy, Trissa Joseph, Xiangnan Ye
Abstract: A liquid crystal polyester fiber includes a liquid crystal polyester having a tensile strength is 25 cN/dtex to 30 cN/dtex, and an orientation degree of the fiber is 94% to less than 100%. The liquid crystal polyester has repeating units of Formula (1), Formula (2), and Formula (3). At least one repeating unit of Formula (1), Formula (2), and Formula (3) contains 2,6-naphthylene. A content of the repeating unit containing the 2,6-naphthylene is 68 to 80 mol % with respect to a total content of all the repeating units. The liquid crystal polyester fiber has a fiber diameter of 5 to 100 ?m; (1) —O—Ar1—CO—, (2) —CO—Ar2—CO—, and (3) —X—Ar3—Y—, wherein Ar1 represents phenylene, naphthylene, or biphenylylene, Ar2 and Ar3 each independently represent phenylene, naphthylene, or biphenylylene, Ar1, Ar2, or Ar3 contains 2,6-naphthylene, X and Y independently represent oxygen or —NH—, and Ar1, Ar2, or Ar3 may be substituted.
Abstract: The present invention provides a drilling fluid comprising a compound c) which comprises a dimer and/or trimer fatty acid residue and an alkyleneoxy chain comprising a first ethyleneoxy section, a second ethyleneoxy section and a propyleneoxy section located between said first and second ethyleneoxy sections, wherein the propyleneoxy section comprises from 1 to 20 propyleneoxy groups. Use of such a drilling fluid to lubricate a drill bit, and a method of drilling a well bore comprising circulating such a drilling fluid, are also provided.
Type:
Grant
Filed:
March 5, 2019
Date of Patent:
February 6, 2024
Assignee:
EQUUS UK TOPCO LTD
Inventors:
Craig Allan Davies, Kevin John Duncan, Helen Rachel Sarginson
Abstract: Polymer-based sheet materials having a variegated appearance are provided. The polymer-based-sheet material may have a core with one or more caps. The cap(s) may be on a first primary surface, a second primary surface, and/or sides. The variegation may be within and/or on the cap and/or the core. Methods, systems, articles, and materials effective for a polymer-based sheet material having a variegated appearance are provided.
Type:
Grant
Filed:
February 7, 2020
Date of Patent:
January 23, 2024
Assignee:
The AZEK Group LLC
Inventors:
Bruce Edward Stanhope, Jeffrey S. Ross, Cesar Samano
Abstract: The disclosure is directed to a process for treating a subterranean earth formation by introducing a monovalent salt of monochloroacetic acid into said subterranean earth formation in the presence of a chelating agent which comprises at least one carboxylate group having a monovalent counterion and furthermore comprises a carbon chain carrying at least five hydroxyl groups. Preferably the cation of the monovalent salt of monochloroacetic acid is sodium.
Type:
Grant
Filed:
June 17, 2019
Date of Patent:
January 23, 2024
Assignee:
NOURYON CHEMICALS INTERNATIONAL B.V.
Inventors:
Cornelis Elizabeth Johannus Van Lare, Maria Antonieta Leon Matheus, Jannes Schutte, Cornelis Kooijman
Abstract: A multi-layer membrane with fire-resistant properties having improved thermal stability and shelf-life is provided. The multi-layer membrane 10 has at least a water resistant polymeric layer 12 bonded to a fire resistant component 13. The fire resistant component 13 has a first fire retardant coating 16 bonded to a carrier layer 14. The fire resistant component may further include a second fire retardant coating 28 bonded to a surface of the carrier layer opposite to the first fire retardant coating. The first and second fire retardant coatings comprise a filler 24, 30 mixed with a carrier 26, 32. The membrane may include a back bonding layer 36 bonded to the bottommost layer thereof to adhesively secure to a structural support structure such as a roof. A release liner 42 may be releasably secured to the back bonding layer. Additional layers may be included to provide for further support and/or additional functional properties to the membrane.
Abstract: Provided is a method for producing resin particles by melt-kneading with a non-water-soluble resin in a wide range of melt-kneading temperature according to the melting point or glass transition temperature of the resin. This production method includes melt-kneading a water-soluble matrix, containing a modified polyvinyl alcohol-based resin, and a non-water-soluble resin to form a pre-molded article in which the non-water-soluble resin is dispersed in particulate; and bringing the pre-molded article into contact with an aqueous solvent to elute the matrix. The modified polyvinyl alcohol-based resin contains in a side chain thereof an alkyl group including at least one hydroxyl group (for example, a 1,2-dihydroxyalkyl group).
Abstract: A system for continuously treating recycled polystyrene material includes a hopper/densifier configured to feed recycled polystyrene material into the system. An extruder can turn the recycled polystyrene material into a molten material. In some embodiments, the extruder uses thermal fluids, electric heaters, and/or a separate heater. Solvents, such as toluene, xylenes, cymenes, and/or terpinenes can aid in generating the molten material. The molten material can be depolymerized in a reactor and a catalyst can be used to aid the depolymerizing. In certain embodiments, the catalyst is contained in a permeable container. In some embodiments, copolymers/monomers are grafted onto the depolymerized material. The depolymerized molten material can be cooled via a heat exchanger. The product can be isolated by extraction, distillation, and/or separation. In some embodiments, the product is treated through filtration and absorption media. In some embodiments, multiple reactors are used.
Abstract: The present development is an extrusion coated barrier film with perforated holes for breathability and a moisture vapor barrier. More specifically, the coated barrier material comprises biaxially oriented nylon film extrusion coated with a blend of an acid copolymer and at least one block copolymer material made up of rigid polyamide blocks and soft polyether blocks. The extrusion coated barrier film can be thermally laminated to expanded polystyrene (EPS) foam boards, which can be used as housewrap, roofing underlayment, or in other construction materials.
Abstract: The present application provides an adhesive composition for a foldable display including a thermocurable resin; an ionic salt; and a crosslinking agent, wherein the adhesive composition for a foldable display has storage modulus of 104 Pa to 106 Pa at ?30° C. and 60° C. after curing, an adhesive film using the same, and a foldable display including the same.
Type:
Grant
Filed:
February 1, 2019
Date of Patent:
December 26, 2023
Assignee:
LG CHEM, LTD.
Inventors:
Hee Song, Hyon Gyu Park, Byungsu Park, Hyun Cheol Kim, Hui Je Lee
Abstract: A method for manufacturing polyester polyhydric alcohol is provided. The method for manufacturing the polyester polyhydric alcohol includes steps as follows. A polybasic acid and a first polyhydric alcohol are mixed for a first oligomerization reaction, so as to form a first oligomer mixture. A second polyhydric alcohol is added into the first oligomer mixture for a second oligomerization reaction when a remaining amount of the first polyhydric alcohol in the first oligomer mixture is lower than or equal to 1 mol %, so as to form a second oligomer mixture. A catalyst is added into the second oligomer mixture for a polycondensation reaction, so as to obtain a polyester polyhydric alcohol product. The polyester polyhydric alcohol product has an Alpha value of lower than 30.
Abstract: The present invention is directed to an article comprising a fiber reinforced composition (C), said composition comprising a propylene polymer (PP), an elastomeric ethylene copolymer (E) and fibers (F).
Type:
Grant
Filed:
December 4, 2018
Date of Patent:
November 28, 2023
Assignee:
Borealis AG
Inventors:
Michael Jerabek, Wolfgang Stockreiter, Thomas Lummerstorfer
Abstract: A method includes admixing an aqueous polysaccharide solution into an oleaginous base fluid, and adding a divalent ion source to produce one or more polysaccharide microspheres.