C08K2003/3054

Peroxide curable fluoropolymers obtainable by polymerization using non-fluorinated polyhydroxy emulsifiers

Described are methods of making a curable fluoropolymer having repeating units derived from vinylidenfluoride (VDF) and at least one perfluorinated monomer selected from hexafluoropropene (HFP), tetrafluoroethene (TFE), a perfluorovinyl ether (PAVE), a perfluoroallylether (PAAVE) or a combination thereof. The method includes polymerizing the monomers in an aqueous medium in a radical reaction containing one or more reaction initiators, one or more chain transfer agent containing one or more halogens selected from iodine, bromine or a combination thereof and one or more non-fluorinated aliphatic polyhydroxy emulsifiers. The polymerization is carried out without adding a fluorinated emulsifier. Also provided are curable fluoropolymers obtainable by such methods and cured fluoropolymers obtainable by curing the curable fluoropolymers, and their applications.

PBAT RESIN COMPOSITION

The present invention discloses a PBAT resin composition comprising following components: (a) poly(butyleneadipate-co-terephthalate); (b) iron element; wherein, based on a total weight of the PBAT resin composition, a weight content of the iron element is 1 ppm-500 ppm. By adding iron-containing compounds into the composition and controlling the content of the iron element in a range of 1 ppm-500 ppm in the composition, a speed of reaction of aromatic structure in the PBAT resin under a hot and humid condition can be postponed, so that after the prepared PBAT resin composition is aged in boiling water for 24 hours and 48 hours, a variation of b-value is less than 2. The PBAT resin composition has obviously improved color stability in resistance to boiling water aging.

Ultra-Low Petroleum Plastics

Plastic-like compositions having ultra-low contents of petroleum derived materials are provided. The materials comprise up to about 80% by weight of an inorganic salt having an average particle size between about 0.001 and about 300 m and a plastic binder. The compositions have a low propensity to ignite or smoke in the presence of heat or flame.

ALDEHYDE SCAVENGERS FOR POLYURETHANE FOAMS

A polyurethane composition comprising an aldehyde scavenger, a polyurethane product, and a process for making polyurethane foam are disclosed. The scavenger compounds can reduce, if not eliminate, the emissions of aldehydes from polyurethane foams. The scavenger compounds comprise at least one member selected from the group consisting of: phenol or substituted phenol, a 1,3-dicarbonyl compound, a polyamine bearing a 1,3-propanediamino function, melamine, a 1,2-diaminocycloalkane, an ammonium salt; a compound containing the bisulfite anion, titanium dioxide and aminosiloxane.

AQUEOUS BONDING COMPOSITION
20180155583 · 2018-06-07 ·

Disclosed is an aqueous bonding composition comprises: (A) a saccharide; (B) an inorganic acid ammonium salt; and (C) a metal salt, wherein the metal salt (C) comprises at least one selected from potassium salts, calcium salts, sodium salts, and magnesium salts. The aqueous bonding composition is excellent in balance among bending strength, bending strength under wet condition, water-absorption thickness expansion coefficient, and peeling strength. The aqueous bonding composition can be usefully used to produce a wood-based material. Further, a wood-based material obtainable by using the aqueous bonding composition is provided.

CARBON MATERIAL PRECURSOR AND METHOD FOR PRODUCING CARBON MATERIAL USING THE SAME

A carbon material precursor comprises an acrylamide-based polymer and at least one addition component selected from the group consisting of acids and salts thereof; and a method for producing a carbon material comprises thermally-stabilizing the carbon material precursor and then carbonizing the carbon material precursor.

Binder and aqueous solution

Provided is a binder that has satisfactory storage stability and can express an excellent bonding strength for a glass fiber or powdered glass (impart a satisfactory strength to a bonded body with the glass fiber or the powdered glass). The binder of the present invention includes: a polymer having a hydroxyl group; and an ammonium salt of an inorganic acid, in which: the polymer contains a specific structural unit derived from a monomer represented by the general formula (1) and a specific structural unit derived from a monomer containing a carboxylic acid (salt) group.

FULLY AROMATIC ETHER KETONE RESIN COMPOSITION, METHOD OF PRODUCING THE SAME, MOLDED ARTICLE, AND METHOD OF ENHANCING RETENTION STABILITY OF MELT VISCOSITY OF THE RESIN COMPOSITION
20240368375 · 2024-11-07 · ·

Provided is a fully aromatic ether ketone resin composition including: (A) a prescribed fully aromatic ether ketone resin; and (B) a salt composed of an acid and a base, in which a pH thereof obtained by performing measurement by means of a pH measurement method below is 6 to 8. [pH measurement method] (a) To 10 g of a powder of the fully aromatic ether ketone resin composition, 5 mL of acetone is added, then 100 mL of pure water is added thereto, a mixture is stirred for 10 minutes, and then the mixture is subjected to filtration. (b) 0.1 mL of pure water is added dropwise to a residue obtained by volatilizing a liquid component of a filtrate obtained. (c) A temperature is set to 25 C., and the pH is measured by contacting a pH test paper with the pure water added dropwise.

LIGNOCELLULOSE SOLUTION AND SHAPED ARTICLE, AND PRODUCTION METHOD THEREFOR

A lignocellulose solution is produced by a production method including: coarsely pulverizing a biomass containing lignocellulose to obtain a coarse powder; mixing the coarse powder with an organic acid; and dissolving the coarse powder in the organic acid. A molded article containing lignocellulose as a main component is formed from this solution. The molded article has a density of less than 1.20 g/cm.sup.3. In one embodiment, the molded article is substantially free of an adhesive component. In another aspect, cellulose, hemicellulose, and lignin constituting the lignocellulose form an ester bond with an organic acid. A molded article according to still another embodiment has a density of less than 1.60 g/cm.sup.3 and an amount of functional groups bound to cellulose, hemicellulose, and lignin of 0.35 or more and 0.60 or less.

Compositions comprising ammonium polyphosphates

The invention relates to compositions comprising as component (A) 0.1% to 99.9% by weight of phase II ammonium polyphosphate and as component (B) 0.1% to 99.9% by weight of phase I and/or phase III, IV, V and/or VI ammonium polyphosphate, where the sum total of the components is 100% by weight, and to the use thereof in intumescent coatings.