| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 524557000 | Polyvinyl alcohol or modified forms thereof | 15 |
| 20090203832 | Process for Preparing Polymer Dispersions, the Resulting Dispersions and Their Use - A description is given of a process of emulsion polymerization of free-radically polymerizable ethylenically unsaturated monomers selected from the group of the monoesters or diesters of ethylenically unsaturated monocarboxylic or dicarboxylic acids with alkanols, vinyl esters and/or vinylaromatics and, if desired, further monomers copolymerizable therewith, at least 60% of the total conversion in the polymerization taking place at a temperature of 100° C. to 160° C., the polymerization being performed in the presence of emulsifiers and an amount of 0% to 1% by weight, based on the total amount of the monomers used, of protective colloid. | 08-13-2009 |
| 20100197853 | AQUEOUS SYNTHETIC RESIN EMULSION FOR CEMENT MORTAR ADMIXTURE, RE-EMULSIFIABLE AQUEOUS SYNTHETIC RESIN EMULSION POWDER FOR CEMENT MORTAR ADMIXTURE, AND CEMENT MORTAR ADMIXTURE EMPLOYING THE SAME - An aqueous synthetic resin emulsion comprises a synthetic resin comprising a copolymer of at least one monomer (A) selected from an acrylic monomer and a styrene monomer, and at least one functional group-containing monomer (B) selected from the group consisting of: (B1) a glycidyl-containing monomer; (B2) an allyl-containing monomer; (B3) a hydrolyzable silyl-containing monomer; (B4) an acetoacetyl-containing monomer; (B5) a monomer having at least two vinyl groups in a molecular structure thereof; and (B6) a hydroxyl-containing monomer, the synthetic resin being stably dispersed in the emulsion in the presence of a polyvinyl alcohol resin [I] having an average saponification degree of not less than 85 mol % and an average polymerization degree of 50 to 3000 and having 1 to 15 mol % 1,2-diol bonds on its side chains. The aqueous synthetic resin emulsion may be used for a cement mortar admixture, yielding a mortar excellent in fluidity and workability. | 08-05-2010 |
| 20110152446 | MIXTURE OF PEROXIDES FOR CROSSLINKING ELASTOMERS - The present invention relates to a mixture including at least O,O-tert-butyl-O-(2-ethylhexyl) monoperoxycarbonate and at least O,O-tert-amyl-O-2-ethylhexyl monoperoxycarbonate, where the O,O-tert-amyl-O-2-ethylhexyl monoperoxycarbonate is present in the mixture in an amount of from 0.001% to 45% by weight relative to the total weight of the mixture. The invention also relates to a crosslinkable composition that includes such a peroxide mixture and an elastomer; and to uses of the crosslinkable composition and mixture. | 06-23-2011 |
| 20110213070 | CURING ACCELERATOR FOR EPOXY RESIN COMPOSITION, AND ONE-PACK TYPE THERMOSETTING EPOXY RESIN COMPOSITION - A curing accelerator for epoxy resin compositions, which is used in a one-pack type epoxy resin composition having excellent storage stability and rapid curability. The curing accelerator for epoxy resin compositions contains a microcapsule type curing accelerator wherein a compound represented by formula (I) is encapsulated by a thermosetting resin. (In formula (I), R | 09-01-2011 |
| 20110237738 | METHOD FOR PRODUCING VINYL ALCOHOL RESIN - A method of producing a vinyl alcohol resin having a water content of not higher than 10 wt % by performing a multistage dewatering process by means of a kneading machine. The method permits efficient dewatering of a highly hydrous vinyl alcohol resin to ensure easy production of a lower water content vinyl alcohol resin having a water content of not higher than 10 wt %, thereby reducing production costs. | 09-29-2011 |
| 20120022207 | Use Of Polymer Isoacetals In Printing Ink Formulations - Printing ink formulations containing polyvinyl isoacetals as a binder component exhibit lower solution viscosity and higher binder T | 01-26-2012 |
| 20120142849 | Play Composition Including Crosslinkable Binder - The present invention is directed toward water based play compositions including a crosslinkable network polymer and a crosslinking system effective to crosslink the polymer. The crosslinking system is a water-soluble salt complex including a primary crosslinking agent, a secondary crosslinking agent, and a tertiary crosslinking agent. The crosslinking system contains a diminished amount of boron compounds while remaining effective in crosslinking network polymers including polyvinyl alcohol (to form moldable dough compositions) and guar gum (to form hydrogels). | 06-07-2012 |
| 20120245278 | CURABLE FIBERGLASS BINDER COMPRISING A POLYACETAL OR POLYKETAL - A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an acid-catalyzed reaction product of an aldehyde or ketone with a multihydric alcohol. When heated, the composition forms polyacetal or polyketal that undergoes curing to form a water-insoluble resin binder which exhibits good adhesion to glass. In a preferred embodiment, maleic anhydride initially serves as a catalyst and subsequently enters into a cross-linking reaction during curing to form a poly(ester-acetal). Also, in a preferred embodiment, the fiberglass is in the form of building insulation. In other embodiments the product can be a microglass-based substrate for use in a printed circuit board, battery separator, filter stock, or reinforcement scrim. | 09-27-2012 |
| 20130338305 | Methods for Coating a Substrate with an Amphiphilic Compound - Methods of modifying a patterned semiconductor substrate are presented including: providing a patterned semiconductor substrate surface including a dielectric region and a conductive region; and applying an amphiphilic surface modifier to the dielectric region to modify the dielectric region. In some embodiments, modifying the dielectric region includes modifying a wetting angle of the dielectric region. In some embodiments, modifying the wetting angle includes making a surface of the dielectric region hydrophilic. In some embodiments, methods further include applying an aqueous solution to the patterned semiconductor substrate surface. In some embodiments, the conductive region is selectively enhanced by the aqueous solution. In some embodiments, methods further include providing the dielectric region formed of a low-k dielectric material. In some embodiments, applying the amphiphilic surface modifier modifies an interaction of the low-k dielectric region with a subsequent process. | 12-19-2013 |
| 20130338306 | POLYOXYALKYLENE-MODIFIED VINYL ACETAL POLYMER, AND COMPOSITION COMPRISING SAME - There is provided a polyoxyalkylene-modified vinyl acetal polymer which has polyoxyalkylene groups represented by general formula (I) in side chain, in which a viscosity-average polymerization degree P is 150 to 5000, an acetalization degree is 10 to 85 mol % and a polyoxyalkylene modification rate S is 0.1 to 10 mol %. Such a polymer has a feature that a film or sheet produced therefrom has improved film strength and flexibility, as well as a feature that a resin composition therefrom is free from phase separation. | 12-19-2013 |
| 20140024766 | COPOLYMERS OF 1,2-DIACETOXYETHYLENE AND VINYL ACETATE, PROCESS OF MAKING THE COPOLYMERS AND PROCESS OF MAKING A COPOLYMERIZED POLYVINYL ALCOHOL - In one embodiment, the invention is to a vinyl acetate/diacetoxyethylene copolymer, processes of making the copolymer and processes of hydrolyzing said copolymer to form a copolymerized polyvinyl alcohol. | 01-23-2014 |
| 20140051798 | CATIONIC WATER BASED POLYMERS FOR INKJET INKS - The present invention provides a durable, external surfactant free, cationic, water based jet ink polymer which when formulated into an ink jet ink results in a printing that has an excellent adhesion to metal or plastic substrates. Such a jet ink polymer is suitable performance replacement of solvent soluble polymers currently in commercial use. The hybridized copolymer comprises a hydrophobic functional polymeric backbone comprised of a polysiloxane polymer, a polyolefin polymer, or a functional polyvinyl polymer. The hybridized copolymer also comprises a plurality of copolymeric side chains attached to the backbone, comprising a polymerizable amine-containing unsaturated monomer, and a polymerizable unsaturated monomer. The use of the inks of the present invention enhances performance criteria such as print-head open time, ink stability, and resistance to typical water based cleaners. | 02-20-2014 |
| 20140080968 | Blends of a Polylactic Acid and a Water Soluble Polymer - The present invention relates to water-dispersive biodegradable compositions which may be formed into films and fibres. The present invention also relates to polymer blends comprising polylactide and water-soluble polymers. More particularly, the present invention relates to the use of grafted copolymers (PLA-grafted water-soluble polymers) for the compatibilization of PLA and water-soluble polymers. Such reactive compatibilization of immiscible polymer blends is achieved in such a way that main blend components are covalently bonded. In addition, such reactive compatibilization can be carried out by reactive extrusion. | 03-20-2014 |
| 20150353798 | COMPOSITION AND METHOD FOR TREATING CEMENT, CONCRETE, MORTAR OR FLOOR SCREED OR THE LIKE MATERIALS AND USE THEREOF - A method for treating surfaces of cement, concrete, mortar or floor screed or stone, marble or granite by applying at least one layer of a composition comprising of 2-20% by weight of particles of plasticized polyvinyl butyral (PVB) dispersed in water in an amount of 100 g/m | 12-10-2015 |
| 20160194412 | DISPERSION STABILIZER FOR SUSPENSION POLYMERIZATION AND METHOD FOR PRODUCING VINYL RESIN | 07-07-2016 |
