Abstract: A chemically modified precipitated silica characterised by the presence of alkyl moieties chemically bound to the silica and a process for its manufacture.

Abstract: A heat sealable polyester film and a method for manufacturing the same are provided. The heat sealable polyester film is made from a recycled polyester material. The heat sealable polyester film includes a base layer and a heat sealable layer formed on at least one surface of the base layer. The heat sealable layer is formed from a first polyester composition. A main component of the first polyester composition is regenerated polyethylene terephthalate and the first polyester composition further includes at least one of 1,4-butanediol, isophthalic acid, neopentyl glycol, and polybutylene terephthalate. A heat sealing temperature of the heat sealable polyester film ranges from 120° C. to 230° C.

Abstract: This invention relates to the field of contaminated plastic waste decomposition. More specifically, the invention comprises methods and systems to decompose contaminated plastic waste and transform it into value-added products.

Abstract: A thermoplastic vulcanizate composition comprises: (i) a dispersed phase of rubber that is at least partially cured; (ii) a continuous thermoplastic phase including at least one thermoplastic polymer; (iii) a first polysiloxane composition comprising a migratory siloxane polymer physically dispersed in a first thermoplastic material and (iv) a second polysiloxane composition comprising a non-migratory, siloxane polymer bonded to a second thermoplastic material.

Abstract: The present invention relates to a polyester resin. The polyester resin is useful for bottles, sheets, multilayer sheets, stretched films and fiber applications due to excellent heat resistance and transparency, and in particular, the polyester resin has little deterioration of physical properties such as yellowing, etc., during processing. A process for making the polyester resin includes an esterification reaction between a dicarboxylic acid that includes terephthalic acid and a diol that includes isosorbide in the presence of a catalyst, followed by a polycondensation reaction on a product of the esterification reaction. In some embodiments, an initial mixing ratio of the dicarboxylic acid and the diol is between 1:1.02 and 1:1.04.

Abstract: An oxygen-absorbing film having an oxygen-absorbing adhesive agent layer including a cured oxygen-absorbing adhesive agent resin composition, wherein the oxygen-absorbing adhesive agent layer has at least two glass transition temperatures, and wherein the lowest glass transition temperature among the glass transition temperatures is lower than 0° C. The cured oxygen-absorbing adhesive agent resin composition preferably includes: (A) an oxygen-absorbing polyester resin having a glass transition temperature of ?20 to 10° C. and (B) a saturated polyester resin having a glass transition temperature of ?10° C. or lower.

Abstract: The present invention is a composition for liquid crystal polymer synthesis comprising an alicyclic dicarboxylic acid or its derivative (e.g., 1,4-cyclohexanedicarboxylic acid (CHDA)); an aromatic diol (e.g., hydroquinone (HQ)); an aromatic monocarboxylic acid having 7 to 10 carbon atoms and containing a hydroxyl group (e.g., 4-hydroxybenzoic acid, (HBA)); and an aromatic monocarboxylic acid having 11 to 20 carbon atoms and containing a hydroxyl group (e.g., 6-hydroxy-2-naphthalenecarboxylic acid (HNA)), and a liquid crystal polymer for electrical/electronic products, a polymer resin composition, and a molded product using the same.

Abstract: The present invention provides solvent-based compostable cold seal release lacquers for use in packaging structures. The lacquers of the invention comprise resins, such as polyamide resins, comprising greater than 90% biobased carbon, generally prepared from renewable sources, e.g., plants such as rice. The present invention also provides the use of the inventive compostable lacquers as cold seal release lacquers in cold seal packaging, along with eco-friendly packaging film, etc., and has the potential to make the cold seal packaging fully compostable.

Abstract: Biorenewable polyesters and polyester copolymers derived from camphoric acid, aromatic dicarboxylic acid and aliphatic diols and methods of making those copolyesters and articles comprising copolyesters are disclosed. The disclosed biorenewable copolyesters may can have a Mn of from about 5,000 Da to about 500,000 Da. Also disclosed are preparation methods of various monomers e.g., cis-1,4-anhydroerythritol and bis(2-hydroxyethyl) camphorate. The disclosed biorenewable polyesters and polyester copolymers can be used for production of various articles utilizing a conventional polyesters or polyester copolymers, to replace, in part or in whole, a conventional non-biorenewable polyesters or polyester copolymers.

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.

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: 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.

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: 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.

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: 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.

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.

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.