Patent classifications
C08L31/00
A BINDER COMPOSITION
The present disclosure generally provides binder compositions and more specially polyfunctional isocyanate binder compositions which can be used in the preparation of composite wood panels, wherein the binder composition comprising (a) a polyfunctional isocyanate or an isocyanate prepolymer, wherein the isocyanate prepolymer is obtained by reacting a polyfunctional isocyanate with a polyfunctional polyol; (b) a tackifier; and (c) a phosphate ester. The compositions have high tack capability and improved mold releasing capability.
A BINDER COMPOSITION
The present disclosure generally provides binder compositions and more specially polyfunctional isocyanate binder compositions which can be used in the preparation of composite wood panels, wherein the binder composition comprising (a) a polyfunctional isocyanate or an isocyanate prepolymer, wherein the isocyanate prepolymer is obtained by reacting a polyfunctional isocyanate with a polyfunctional polyol; (b) a tackifier; and (c) a phosphate ester. The compositions have high tack capability and improved mold releasing capability.
METHODS FOR TREATING LIGNOCELLULOSIC MATERIALS
The present invention relates to methods of processing lignocellulosic material to obtain hemicellulose sugars, cellulose sugars, lignin, cellulose and other high-value products such as asphalt and bio oils. Also provided are hemicellulose sugars, cellulose sugars, lignin, cellulose, and other high-value products such as asphalt and bio oils.
METHODS FOR TREATING LIGNOCELLULOSIC MATERIALS
The present invention relates to methods of processing lignocellulosic material to obtain hemicellulose sugars, cellulose sugars, lignin, cellulose and other high-value products such as asphalt and bio oils. Also provided are hemicellulose sugars, cellulose sugars, lignin, cellulose, and other high-value products such as asphalt and bio oils.
Aqueous coating compositions containing acetoacetyl-functional polymers, coatings, and methods
Aqueous coating compositions that include polymers having one or more of the following acetoacetyl-functional groups: ##STR00001##
wherein R.sup.1 is a C1 to C22 alkylene group and R.sup.2 is a C1 to C22 alkyl group.
Method for producing superabsorbers based on renewable raw materials
A process for producing water-absorbing polymer particles, comprising the steps of thermal cracking of bionaphtha in the presence of steam, removing propene and at least some of the propane, gas phase oxidation to give acrylic acid and polymerization to give water-absorbing polymer particles.
Method for producing crosslinked polymer, crosslinked polymer, and coating composition containing the same
The object of the present disclosure is to provide a method for producing a crosslinked polymer by radical polymerization of a monomer composition, by which method a desired crosslinked polymer can be produced in a high solid content with good productivity (also at a low production cost), and a crosslinked polymer obtained by the production method and a coating composition containing the same. A method for producing a crosslinked polymer having a weight average molecular weight of 15000 to 200000, the method comprising step [I] of obtaining a crosslinked polymer (A) by conducting polymerization of a monomer composition comprising 2 to 30% by weight of a polyfunctional methacrylate having 2 to 4 functional groups (a) and 98 to 70% by weight of one or more polymerizable monomers selected from the group consisting of monofunctional (meth)acrylates, (meth)acrylic acid, and monofunctional vinyl aromatic compounds (b) in an organic solvent in the presence of a radical polymerization initiator in a temperature region where the radical polymerization initiator comes to have a half-life of 4 to 18 minutes.
Method for producing crosslinked polymer, crosslinked polymer, and coating composition containing the same
The object of the present disclosure is to provide a method for producing a crosslinked polymer by radical polymerization of a monomer composition, by which method a desired crosslinked polymer can be produced in a high solid content with good productivity (also at a low production cost), and a crosslinked polymer obtained by the production method and a coating composition containing the same. A method for producing a crosslinked polymer having a weight average molecular weight of 15000 to 200000, the method comprising step [I] of obtaining a crosslinked polymer (A) by conducting polymerization of a monomer composition comprising 2 to 30% by weight of a polyfunctional methacrylate having 2 to 4 functional groups (a) and 98 to 70% by weight of one or more polymerizable monomers selected from the group consisting of monofunctional (meth)acrylates, (meth)acrylic acid, and monofunctional vinyl aromatic compounds (b) in an organic solvent in the presence of a radical polymerization initiator in a temperature region where the radical polymerization initiator comes to have a half-life of 4 to 18 minutes.
SEED COATINGS, COATING COMPOSITIONS AND METHODS FOR USE
A seed or seedling is coated with underivatized guar, cationic hydroxypropyl guar, polyacrylamide, poly(methacrylic acid), poly(acrylic acid), polyacrylate, poly(ethylene glycol), polyethyleneoxide, poly(vinyl alcohol), polyglycerol, polytetrahydrofuran, polyamide, hydroxypropyl guar, carboxymethyl guar, carboxymethylhydroxypropyl guar, underivatized starch, cationic starch, corn starch, wheat starch, rice starch, potato starch, tapioca, waxy maize, sorghum, waxy sarghum, sago, dextrin, chitin, chitosan, xanthan gum, carageenan gum, gum karaya, gum arabic, pectin, cellulose, hydroxycellulose, hydroxyalkyl cellulose, hydroxyethyl cellulose, carboxymethylhydroxyethyl cellulose, or hydroxypropyl cellulose, the coated seed or seedling having a shelf-life at room temperature in ambient conditions in an unsealed container to at least two months.
SEED COATINGS, COATING COMPOSITIONS AND METHODS FOR USE
A seed or seedling is coated with underivatized guar, cationic hydroxypropyl guar, polyacrylamide, poly(methacrylic acid), poly(acrylic acid), polyacrylate, poly(ethylene glycol), polyethyleneoxide, poly(vinyl alcohol), polyglycerol, polytetrahydrofuran, polyamide, hydroxypropyl guar, carboxymethyl guar, carboxymethylhydroxypropyl guar, underivatized starch, cationic starch, corn starch, wheat starch, rice starch, potato starch, tapioca, waxy maize, sorghum, waxy sarghum, sago, dextrin, chitin, chitosan, xanthan gum, carageenan gum, gum karaya, gum arabic, pectin, cellulose, hydroxycellulose, hydroxyalkyl cellulose, hydroxyethyl cellulose, carboxymethylhydroxyethyl cellulose, or hydroxypropyl cellulose, the coated seed or seedling having a shelf-life at room temperature in ambient conditions in an unsealed container to at least two months.