Class / Patent application number | Description | Number of patent applications / Date published |
524592000 | From ketone or ketene reactant | 35 |
20080234427 | Utilization of Radiohardenable Resins Based on Ketone and/or Urea Aldehyde Resins - The invention relates to the use of radiation-curable resins based on ketone-aldehyde and urea-aldehyde resins. | 09-25-2008 |
20080269407 | INK JET PIGMENT INK AND INK SET - An ink jet pigment ink containing water, a pigment, a water-soluble organic solvent and a graft copolymer, wherein the graft copolymer has a hydrophilic segment and a hydrophobic segment, the hydrophobic segment is being obtained by copolymerizing an anionic monomer and an aromatic monomer represented by the following formula (1), and the hydrophilic segment is being obtained by polymerizing an anionic monomer | 10-30-2008 |
20090099300 | METHODS OF MAKING POLYMER BLEND COMPOSITIONS - Methods of making miscible and compatible immiscible polymer blends are disclosed. The polymer blends have a polyimide as a component. The miscible polymer blends have a single glass transition temperature. The compatible polymer blends have two glass transition temperatures. The polymer blends may optionally include one or more fillers. | 04-16-2009 |
20090131582 | POLYMERIC MATERIALS - Polyaryletherketones and a method for producing the same are described wherein, for a given melt viscosity, the melt flow index is higher than expected. Such polymers may be used in situations where relative high flow is desirable. | 05-21-2009 |
20100004387 | PROCESS FOR PREPARING GRANULES OF PIGMENTS BY MEANS OF DOUBLE EXTRUSION - A process for the production of a particle composition containing, at least one resin and at least one pigment is described, said process comprising the following steps : •extrusion of a mixture containing said at least one resin and said at least one pigment without induced heating; •subsequent extrusion, with induced heating, of the mixture obtained from the preceding extrusion; •granulation of the mixture thus obtained. With the abovementioned process it is possible to obtain a composition having granules with an average diameter less than 2 microns and a greater homogeneity than the known processes. | 01-07-2010 |
20100004388 | METHOD OF MANUFACTURING COMPOSITE MATERIAL - A method of manufacturing a composite material, the method comprising: growing a layer of reinforcement; and impregnating the layer with a matrix. The reinforcement layer may be formed by a chemical vapour deposition process. The method can be used as an additive layer manufacturing technique to form a component with a desired shape and physical characteristics, or can be used to form a thin sheet material. | 01-07-2010 |
20100113688 | High temperature melt processable semi-crystalline poly (aryl ether ketone) containing a (4-hydroxyphenyl) phthalazin-1 (2H)-one comonomer unit - Compositions and methods for a melt processable semicrystalline poly(aryl ether ketone) incorporating phthalazinone and 4,4′-biphenol as comonomer units are described herein. The polymers are resistant to and insoluble in common organic solvents and liquids as well as in aggressive organic solvents such as chloroform and chlorinated liquids. The polymers are melt processable via techniques such as extrusion, injection molding, and compression molding. The semicrystalline poly(aryl ether ketone) containing phthalazinone comonomer units have properties which make them suitable for manufacturing high temperature resistant molded systems and other articles. | 05-06-2010 |
20100197858 | DISPERSING AND EMULSIFYING RESINS COMPRISING POLYETHER - The invention relates to dispersing resins for solids which are obtainable through the partial or complete reaction of the hydroxyl groups of carbonyl-hydrogenated ketone-aldehyde resins with one or more oxiranes and, if desired, subsequent complete or partial esterification with organic and/or inorganic acids. | 08-05-2010 |
20100216944 | POLYMERIC MATERIALS - A method of making a polymeric material is described, the method comprising contacting, for example polycondensing, a compound of formula | 08-26-2010 |
20110098408 | Deoxybenzoin-based Anti-flammable Polyphosphonate and Poly(arylate-phosphonate) Copolymer Compounds, Compositions and Related Methods of Use - Deoxybenzoin-phosphonate and other copolymer compounds, compositions and related methods. | 04-28-2011 |
20110118408 | POLYMER COMPOUND HAVING AROYLBIPHENYLENE SKELETON AND THERMOCURABLE FILM FORMING POLYMER COMPOSITION - There is provided a polymer compound having excellent transparency and excellent heat resistance, a high refractive index, an excellent solubility in various solvents, and a low viscosity and excellent handling properties when the polymer compound is dissolved in a solvent; and a production method of the polymer compound; and a polymer composition containing the polymer compound. And there is also included an aroylbiphenyl compound of Formula (1): | 05-19-2011 |
20110178237 | POLYETHER ETHER KETONE, AND METHOD FOR PURIFICATION OF POLYMER MATERIAL - A polyether ether ketone that is superior in mold flow performance, mechanical physical properties, and thermal stability is provided. A polyether ether ketone having a repeating unit represented by the formula: —Ar—C(═O)—Ar—O—Ar′—O— (wherein, Ar and Ar′ represent a substituted or unsubstituted phenylene group), the polyether ether ketone including: (A) a polymerization component having a molecular weight of not lower than 5,000 and lower than 2,000,000; and (B) a polymerization component having a molecular weight of not lower than 1,000 and lower than 5,000, wherein: the weight ratio of (A):(B) is 60:40 to 97:3; the content of (C) a polymerization component having a molecular weight of not lower than 100 and lower than 1,000 is from 0 and less than 0.2% by weight based on the total weight of the component (A), the component (B) and the component (C); and the polyether ether ketone exhibits a multimodal molecular weight distribution with a maximum peak molecular weight falling within the range of not lower than 5,000 and lower than 2,000,000. | 07-21-2011 |
20110257332 | Polymeric material - A polyaryletherketone polymeric material, for example polyetheretherketone and composite materials comprising said polymeric material are described. The polymeric material has a melt viscosity (MV) in the range 0.05 to 0.12 kNsm | 10-20-2011 |
20110301285 | TWO-STAGE CURE POLYIMIDE OLIGOMERS - A method for using citraconic anhydride and itaconic anhydride as addition cure end caps in reactions for forming polyamic acid oligomers and polyimide oligomers, is provided. Prepregs and high temperature adhesives made from the resulting oligomers, as well as, high temperature, low void volume composites made from the prepregs, are also provided. | 12-08-2011 |
20120101224 | LIQUID CRYSTAL ALIGNMENT AGENT, AND LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT FORMED FROM THE LIQUID CRYSTAL ALIGNMENT AGENT - A liquid crystal alignment agent includes a polymer and an organic solvent for dissolving the polymer. The polymer is obtained by subjecting a diamine composition and a tetracarboxylic dianhydride compound to a polymerization reaction. The diamine composition includes a first diamine compound, a second diamine compound, and a third diamine compound as defined in the specification. | 04-26-2012 |
20120232218 | 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. | 09-13-2012 |
20120245282 | HIGH-FLOW POLYAMIDES - A polyamide modified by a multi-functional compound, and a method for producing said polyamide and compositions comprising same are described. A method for the production of a polyamide comprising linear macromolecular chains and star-shaped macromolecular chains is also described. A resulting polyamide having optimal mechanical and rheological properties in order to (i) improve mould filling speed and quality, and (ii) produce moldable compositions with high filler contents is also described. | 09-27-2012 |
20130030116 | FILM, RESIN COMPOSITION AND POLYMER - Provided is a film comprising a polymer that comprises a structural unit represented by the following formula (1), wherein at least part of the terminal structure of the polymer is at least one structure selected from the group consisting of structural units represented by the following formula (2) and structural units represented by the following formula (3). | 01-31-2013 |
20130053513 | LIQUID CRYSTAL ALIGNMENT AGENT, AND LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT FORMED FROM THE LIQUID CRYSTAL ALIGNMENT AGENT - A liquid crystal alignment agent includes a polymer composition (A) and a solvent (B) for dispersing the polymer composition (A). The polymer composition (A) is obtained by subjecting a diamine component (a) and a tetracarboxylic dianhydride component (b) to a polymerization reaction. The diamine component (a) includes at least one diamine compound (a-1) having a dipole moment up to 2.8D. | 02-28-2013 |
20130123420 | Liquid Crystalline Polymer Composition for High Voltage Electronic Components - A liquid crystalline polymer composition having a relatively high comparative tracking index (“CTI”) is provided. The present inventors have discovered that high CTI values can be achieved through the use of inorganic particles in combination with a functional aromatic compound. While not fully understood, it is believed that the functional compound can react with the liquid crystalline polymer and create smaller degraded polymer chains. In combination with the inorganic particles, these smaller chains can potentially form insulated regions at the surface of the polymer that hinder the formation of conductive carbonaceous deposits during the tracking process, which could otherwise lead to failure during testing. | 05-16-2013 |
20130131266 | NANOSTRUCTURED THERMOPLASTIC POLYIMIDE FILMS - Structured films containing multi-walled carbon nanotubes (“MWCNTs”) have enhanced mechanical performance in terms of strength, fracture resistance, and creep recovery of polyimide (“PI”) films. Preferably, the loadings of MWCNTs can be in the range of 0.1 wt % to 0.5 wt %. The strength of the new PI films dried at 60° C. increased by 55% and 72% for 0.1 wt % MWCNT and 0.5 wt % MWCNT loadings, respectively, while the fracture resistance increased by 23% for the 0.1 wt % MWCNTs and then decreases at a loading of 0.5 wt % MWCNTs. The films can be advantageously be created by managing a corresponding shift in the annealing temperature at which the maximum strength occurs as the MWCNT loadings increase. | 05-23-2013 |
20130184404 | METHOD FOR FORMING RESIST UNDERLAYER FILM, PATTERNING PROCESS USING THE SAME, AND COMPOSITION FOR THE RESIST UNDERLAYER FILM - A method for forming a resist underlayer film of a multilayer resist film having at least three layers used in a lithography, includes a step of coating a composition for resist underlayer film containing a novolak resin represented by the following general formula (1) obtained by treating a compound having a bisnaphthol group on a substrate; and a step of curing the coated composition for the resist underlayer film by a heat treatment at a temperature above 300° C. and 600° C. or lower for 10 to 600 seconds. A method for forming a resist underlayer film, and a patterning process using the method to form a resist underlayer film in a multilayer resist film having at least three layers used in a lithography, gives a resist underlayer film having a lowered reflectance, a high etching resistance, and a high heat and solvent resistances, especially without wiggling during substrate etching. | 07-18-2013 |
20130296485 | SELF-SENSITIVE POLYMERIZABLE LIQUID RESIN AND USE THEREOF - A self-sensitive polymerizable liquid resin is provided, which contains an uncrosslinked Michael addition reaction product of the following components: a Michael donor, a Michael accepter and optionally a viscosity modifier. The Michael accepter has 5 to 18 acryloyl functional groups. The self-sensitive polymerizable liquid resin of the present invention is capable of being used as an aid in a coating composition and providing a good property in deep radiation curing, and is particularly applicable in color coatings. | 11-07-2013 |
20140005331 | Asymmetric Fiber Reinforced Polymer Tape | 01-02-2014 |
20140045991 | FLAME RETARDANT NYLON - Technologies are generally described for a system and method effective to prepare a flame retardant. In one example, a method may include copolymerizing a mixture of monomers. The mixture of monomers may include at least one dicarboxylic acid monomer, at least one diamine monomer, and at least one monomer having the formula (I) | 02-13-2014 |
20140094562 | MODIFIED POLYPHENOL BINDER COMPOSITIONS AND METHODS FOR MAKING AND USING SAME - Modified polyphenol binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one unsaturated monomer and at least one polyphenolic compound. The polyphenolic compound can include a lignin, a tannin, a novolac resin, a modified phenol formaldehyde resin, bis-phenol A, humic acid, or any mixture thereof. | 04-03-2014 |
20140135447 | PREPARATION OF IMIDE OLIGOMERS - Reactive extrusion can be used in a continuous, solvent-less preparation of imide oligomers involving two competing reactions among three ingredients, the first reaction between a dianhydride and a diamine and the second reaction between an endcap and the diamine. The imide oligomer can form a composite via conventional production methods or via formation of a film from imide oligomer re-melted in an extruder before being impregnated into tape or fabric. | 05-15-2014 |
20140235787 | POLYMERIC MATERIALS - Polymers comprising polyetheretheretherketone and polyetherdiphenyletherketone and polymers comprising polyetheretheretherketone and polyetheretherethersulphone are described which have advantageous Tn and/or Tg properties. | 08-21-2014 |
20150291721 | CROSSLINKABLE POLYKETAL ESTERS, METHODS OF MANUFACTURE AND USES THEREOF - Disclosed herein is a crosslinkable polyketal ester obtained by the esterification of a hydrocarbon polyol by at least 2 equivalents of a ketocarboxylic acid to produce an intermediate polyketocarboxylic ester. The intermediate polyketocarboxylic ester is then ketalized to produce the crosslinkable polyketal ester, which can then be used in compositions or crosslinked. | 10-15-2015 |
20150361222 | POLYIMIDE PRECURSOR, POLYIMIDE, VARNISH, POLYIMIDE FILM, AND SUBSTRATE - A polyimide precursor comprising a repeating unit represented by the following chemical formula (1): | 12-17-2015 |
20160056047 | Method for Producing a Composition for Forming an Organic Film - The present invention provides a method for producing a composition for forming an organic film, the composition being used in a process of manufacturing a semiconductor apparatus, the method including the steps of (1) washing a compound having an aromatic skeleton by an acid, (2) preparing a composition solution containing the washed compound, (3) filtering the prepared composition solution through a filter, and (4) putting the filtered composition solution into a container made of an organic resin. There can be provided a method for producing a composition for forming an organic film that can form an organic film in which defects after dry etching are reduced. | 02-25-2016 |
20160075840 | Reversible Derivatization of Poly (Aryl Ether Ketones) - A method of forming a polymer matrix composite using a soluble derivative of a poly (aryl ether ketone) (PAEK). The method includes mixing a starting PAEK polymer with a solvent and an acid, said solvent being selected from a group consisting of diethylether, tetrahydrofuran (THF), dioxin, and chlorinated solvents; reacting the PAEK mixture with a Lewis acid and a thiol compound in amounts effective to form a poly (aryl ether thioacetal) compound which comprises at least one thioacetal group; and impregnating a plurality of fibers in a solution comprising said poly (aryl ether thioacetal) compound. | 03-17-2016 |
20160083552 | IN SITU EXFOLIATION METHOD TO FABRICATE A GRAPHENE-REINFORCED POLYMER MATRIX COMPOSITE - A method for forming a graphene-reinforced-polymer matrix composite by distributing graphite microparticles into a molten thermoplastic polymer phase comprising one or more molten thermoplastic polymers; and applying a succession of shear strain events to the molten polymer phase so that the molten polymer phase exfoliates the graphene successively with each event, until tearing of exfoliated multilayer graphene sheets occurs arid produces reactive edges on the multilayer sheets that react with and cross-link the one or more thermoplastic polymers; where the one or more thermoplastic polymers are selected from thermoplastic polymers subject to UV degradation. | 03-24-2016 |
20160152769 | POLYMERIC MATERIALS | 06-02-2016 |
20170233574 | SEMI-CRYSTALLINE BUILD MATERIALS | 08-17-2017 |