Patent classifications
C08L2201/54
Methods for sol-gel polymerization in absence of solvent and creation of tunable carbon structure from same
The present application is directed to methods for solvent-free preparation of polymers and their subsequent processing into activated carbon materials. These methods unexpectedly demonstrate ability to tune pore structure in the polymer gel and carbon produced there from, while also providing distinct advantages over the current art.
Composition for paper coating slip
The invention relates to a paper coating slip composition comprising a copolymer of thickening acrylic acid, a mineral material in the form of particles, a binding agent, and water. The invention also relates to the use of said composition for the production of paper or cardboard, improving the water retention of the paper coating slip.
HYDROPHILIC-HYDROPHOBIC COPOLYMER CARRYING SHORT CHAIN FATTY ACID ESTER
[Object]
To provide a derivative of a short chain fatty acid that can exhibit physiological functions inherent in the short chain fatty acid.
[Solution]
Provided is a block or graft copolymer including a hydrophobic segment of a repeat unit containing a short chain fatty acid ester that is hydrolyzable by esterase in vivo and a hydrophilic segment including a poly(ethylene glycol) chain. These copolymers are effective in the treatment or therapeutic treatment of various diseases or disorders, including cancer.
SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY HEAT-RESISTANT LAYER, HEAT-RESISTANT LAYER FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY
Provided is a slurry composition for a non-aqueous secondary battery heat-resistant layer that has excellent dispersion stability and coatability and can form a heat-resistant layer for a non-aqueous secondary battery having both excellent heat shrinkage resistance and reduced residual water content. The slurry composition contains a water-soluble polymer, non-conductive organic particles, and water. The water-soluble polymer includes an amide group-containing monomer unit, an acid group-containing monomer unit, and a hydroxyl group-containing monomer unit. The proportional content of the amide group-containing monomer unit in the water-soluble polymer is not less than 63 mass % and not more than 98 mass %, and the proportional content of the acid group-containing monomer unit in the water-soluble polymer is not less than 1 mass % and not more than 20 mass %. The non-conductive organic particles include a cross-linkable monomer unit with a proportional content of not less than 20 mass % and not more than 95 mass %.
GRAFT POLYURETHANE COPOLYMER DISPERSIONS
A graft polyurethane copolymer dispersion can include dispersed polyurethane particles including a graft polyurethane copolymer. The graft polyurethane copolymer in this example includes a polyurethane backbone, a graft side-chain polymer attached to the polyurethane backbone, sulfonic acid groups, and isocyanate-generated amines. The graft side-chain polymer can include a poly(meth)acrylic moieties with C1 to C12 alkyl pendant groups, polyalkylene oxide pendant groups, or a combination thereof.
ANTIMICROBIAL COATING COMPOSITION AND METHOD FOR PRODUCING THE SAME
The present invention relates to an antimicrobial coating composition having antiviral activity against coronavirus, the composition comprising: an adhesive having adhesiveness to a surface coated therewith; and a coronavirus antiviral material which is to be attached to the surface by the adhesiveness of the adhesive and exhibits antiviral activity against coronavirus.
Reverse emulsion for hydraulic fracturation
The present application concerns a water-in-oil inverse emulsion comprising: oil; water; at least one water-soluble anionic polymer of average molecular weight higher than 3 million daltons, containing between 4 and 14 mol % of sulfonated anionic monomers, between 0 and 17 mol % of carboxylated anionic monomers and between 69 and 94 mol of nonionic monomers; at least one inverting agent and at least one emulsifying agent, the weight ratio R between the total amount of inverting agent and the total amount of emulsifying agent being higher than 1.8; the inverting agent being selected from among an ethoxylated nonylphenol preferably having between 4 and 10 ethoxylations; an ethoxylated/propoxylated alcohol preferably having ethoxylations/propoxylations to obtain a total number of carbons of between C12 and C25, an ethoxylated tridecylic alcohol and an ethoxylated/propoxylated fatty alcohol; the emulsifying agent being selected from among sorbitan monooleate, polyethoxylated sorbitan esters or the diethanolamide of tall oil fatty acids, polyethoxylated fatty acids, and use thereof for hydraulic fracturing.
Nonaqueous electrolyte battery
Disclosed is a nonaqueous electrolyte battery using an aqueous sealant composition. The aqueous sealant composition comprises an aqueous dispersion in an amount of 70 mass % or more and 97 mass % or less by mass of solid content, wherein the aqueous dispersion comprises an olefinic polymer as a main component, and a water-soluble polymer in an amount of 3 mass % or more and 30 mass % or less by mass of solid content. The aqueous dispersion comprises an olefinic polymer as a main component. The olefinic polymer is a modified olefinic polymer. The modified olefinic polymer is a partial copolymer of a polymer selected from a group consisting of polyethylene, polypropylene, polybutene and ethylene-propylene polymers, and a polymerizable unsaturated organic acid selected from a group consisting of maleic anhydride, acrylic acid, methacrylic acid and esters thereof.
Rheological methods for high block, tack and scrub resistant coating composition
The present invention is directed to a coating composition or paint comprising a multistage latex with at least first and second stages, wherein the composition or paint is substantially free of volatile organic compounds (VOC) and capable of film formation even in the absence of coalescent agents. The base paint formulation is capable of being tinted at a point-of-sale (i.e. in-store) using a colorant composition of a type and quantity required to produce a paint of desired color and finish. The paints, show improved block resistance, scrub resistance and tack resistance. Rheological techniques as described herein may be used to determine tack resistance, print resistance, and other performance characteristics.
WATERBORNE COATING COMPOSITION
The present invention generally relates to the field of cross-linkable aqueous vinyl polymer dispersions, to a coating composition comprising said cross-linkable aqueous vinyl polymer dispersions; to a paint formulation comprising said cross-linkable aqueous vinyl polymer dispersions; and to an article coated with the coating composition or the paint formulation. In particular, the present invention provides an aqueous vinyl polymer dispersion PD which comprises the following polymers: —1) an aqueous dispersion of a vinyl polymer P1 obtainable by free radical emulsion polymerization of a monomers mixture comprising: a) 5 to 20 wt % acid functional ethylenically unsaturated monomers M1 or precursors thereof; b) 5 to 25 wt % ethylenically unsaturated monomers M2 containing a polyethylene glycol or monoalkoxy polyethylene glycol moiety; c) up to 90 wt % of non-ionic ethylenically unsaturated monomers M3 other than M1 or M2; d) 0 to 10 wt % ethylenically unsaturated monomers M4 with a functional group for cross-linking after film-formation; e) 0 to 10 wt % of at least one chain transfer agent CTA; where the sum of the wt. % of M1+M2+M3+M4+CTA=100 wt %; —2) an aqueous dispersion or solution of a vinyl polymer P2 obtainable by free radical copolymerization of: a) from 25 to 95 wt % of a ethylenically unsaturated monomers M5 selected from the group of N-vinyl amides with general structure (I) where R.sub.1 and R.sub.2 are alkyl from C.sub.1 to C.sub.5 and may be connected to form a ring-structure, preferably N-vinyl pyrrolidone or N-vinyl caprolactam; b) from 5 to 75 wt % of non-ionic ethylenically unsaturated monomers M3′ other than M5; c) from 0 to 5 wt % of ethylenically unsaturated monomers M4′ with a functional group for cross-linking after film-formation; d) from 0 to 10 wt % acid functional ethylenically unsaturated monomers M1′ or precursors thereof; e) from 0 to 5 wt % of at least one chain transfer agent CTA′; where the sum of the wt. % of: M5+M3′+M4′+M1′+CTA′=100 wt %; —3) a film-forming vinyl polymer P3 under the form of an aqueous dispersion comprising: i) from 20 to 60 wt % of a water-soluble or water dispersible crosslinkable vinyl oligomer OL obtained by emulsion polymerizing a monomer mixture comprising: 1) at least one acid functional ethylenically unsaturated monomer M1″; 2) at least one ethylenically unsaturated monomer M4″ with functionality for crosslinking upon film-formation, other than M1″; 3) at least one ethylenically unsaturated monomer M3″ other than M1″ and M2″, and 5) optionally, at least one chain transfer agent CTA″, and ii) from 40 to 80 wt % of a high molecular weight vinyl polymer P4 prepared