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8163869 |
Purification method of carboxyl group-containing polyoxyethylene derivative
An object of the present invention is to provide a purification method of separating impurities from a carboxyl group-containing polyoxyethylene derivative having a molecular weight of 2,000 to...
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8124229 |
Method for producing water-absorbent polymer particles with a higher permeability by polymerising droplets of a monomer solution
A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the monomer solution...
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8097692 |
Purification method of high-molecular-weight polyoxyalkylene derivative
A purification method in which, from a specific polyoxyalkylene derivative having a molecular weight of 8,800 to 100,000, an impurity differing in the number of hydroxyl groups is separated, the...
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8088308 |
Resin composition and semiconductor device produced by using the same
A resin composition which is excellent in quick curing and can be used for curing in conventionally used ovens, and a semiconductor device which is excellent in reliability such as solder crack...
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8067526 |
Method for producing polyoxalkylene derivative
A method for producing a polyoxyalkylene derivative including: step (A) in which a polyoxyalkylene derivative having hydroxyl group(s) is reacted with a phthalimide derivative in the presence of an...
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7928166 |
Polyvinyl alcohol having 1,2-glycol bond in side chain and process for preparing the same
There is disclosed a polyvinyl alcohol having a 1,2-glycol bond in a side chain, and a process for preparing the polyvinyl alcolnol wherein there is no generation of dimethyl carbonate hence no...
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7789959 |
Coating agents that are devoid of preservatives, method for their production and use thereof
A description is given of coating compositions comprising at least one strongly basic agent to set a pH of at least 10, at least one selected vinyl ester copolymer, if desired, pigment and/or...
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7759408 |
Silicon-containing monomers end-capped with polymerizable cationic hydrophilic groups
The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers...
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7741242 |
Palladium catalyst composition
The present invention discloses 1) a catalyst composition consisting of a crosslinked organic polymer compound and a palladium catalyst, wherein said catalyst is physically carried on said...
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7498391 |
Process for preparing cationic polyvinyl acetals
Cationic polyvinyl acetals are prepared by copolymerizing one or more cationic N-alkyldiallylammonium salt monomers with one or more vinyl esters of branched or unbranched carboxylic acids having 1...
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7429423 |
Silicone-containing polyvinyl acetals
Silicone-modified polyvinyl acetal copolymers are prepared by copolymerization of at least one vinyl ester monomer and a copolymerizable silicone macromer followed by hydrolysis to a partly or...
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7262230 |
Process of preparing crosslinked, low loss polymers with tunable refractive indices
A process that includes (a) providing a mixture including i) a halocatechol diacrylate, a haloresorcinol diacrylate, or a halohydroquinone diacrylate component, ii) a charge transporting component...
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7230062 |
Acrylic copolymer
An acrylic copolymer consisting of a first acrylic monomer represented by the following general formula (1): [where each of R1 and R2 represents an aliphatic hydrocarbon group whose main chain is...
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6982309 |
Synthesis of branched styrenic copolymers with p-t-butylstyrene
It has been discovered that improved polystyrene products may be obtained by polymerizing styrene in the presence of p-t-butyl styrene (TBS) and optionally at least one di-olefinic substituted...
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6962965 |
Functionalized poly(arylene ether) composition and process
A functionalized poly(arylene ether) having a pendant carbon—carbon double bond is prepared by reacting the hydroxy end group of a poly(arylene ether) with a polyisocyanate compound to produce a u...
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6849703 |
Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols
Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols, obtainable by azeotropic esterification of a mixture of acrylic acid and alkylpolyalkylene glycol in a molar...
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6846564 |
Cross-linked acrylic microparticles, method for the production thereof and use thereof in coverings and moulding products
The invention relates to cross-linked acrylic microparticles, a method for the production thereof by polymerization in a dispersion in a non aqueous medium and to the uses thereof in covering or...
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6759481 |
Shape memory styrene copolymer
A shape memory polymer which is a reaction product of styrene, a vinyl compound, a multifunctional crosslinking agent and an initiator. The shape memory polymer has particular application as a...
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6727314 |
Crosslinking systems for acrylic latex films
A composition comprising a polymer, wherein the polymer comprises at least one of: i) a blend of a first polymer comprising a reaction product of acetoacetoxyethyl (meth)acrylate monomer and a...
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6653428 |
Copolymers with amphiphilic sub-units, a method for producing the same and the use thereof
The invention relates to a copolymer which can be obtained by radical copolymerisation of at least two components A and B. According to the invention, a) at least one ester of one at least...
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6476136 |
Polymer compositions derived from vinyl neo C9-C13 carboxylic acid esters
The present invention relates generally to compositions prepared by polymerizing vinyl neo C9-C13 carboxylic acid esters. Such compositions include latex compositions that are formed by...
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6458174 |
Copolymers, and their use as additives for improving the cold-flow properties of middle distillates
Copolymers containing A) from 45 to 54 mol % of divalent structural units of the formula 1 in which a and b=0 or 1 and a+b=1,B) from 35 to 53 mol % of divalent structural units of the formula...
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6306990 |
Film-forming polymers
Film-forming, functionalized polymers having 1,2-dicarboxylic acid monoester groups have at least two polymer units, one of which is acid-labile and hydrolysis-stable and the other is thermally...
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6180687 |
In vivo polymerizable ophthalmic compositions and methods of using
In vivo polymerizable intraocular lens compositions which comprise substituted fluoroalkyl or perfluoroalkyl monomers having anionic, cationic, and/or nonionic surface active functionality in the...
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6174980 |
Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement composition
The present invention provides a method for producing a cement dispersant having high percentage in water reduction-rate and appropriate air-entraining property. This method for producing a...
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6156862 |
Heat-hardenable paint compositions
The invention relates to heat-hardenable paint composition which contains (A) vinyl based copolymer of hydroxyl group value from 20 to 200 mg KOH/g, being a copolymer of from 5 to 70 wt % hydroxyl...
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6143851 |
Process for preparation of addition products of difunctional telechelic polyolefins from cyclic olefins by olefin metathesis reaction
A process for the preparation of an addition product of a linear telechelic difunctional unsaturated polymer containing terminal functional reactive groups other than vinyl groups, involves...
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6046292 |
Polymerizable mesophases based on substituted unsaturated carboxylic acids
Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid...
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5876624 |
Scorch retarding crosslinking compositions comprising a hydroquinone, a sulfur accelerator, a coagent and a free radical initiator
A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the...
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5869547 |
Ocular lens material
An ocular lens material made of a polymer obtained by polymerizing polymerizable components comprising a monomer of the formula (I): ##STR1## wherein R1 is a group of the formula: ##STR2## wherein...
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5777000 |
Plastic lens and production process thereof
Disclosed is a plastic lens formed of a crosslinked polymer obtained by polymerizing or copolymerizing a monomer composition comprising as essential component the following component (A) and/or the...
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5629360 |
Optically clear polymer compositions containing an interpenetrant
Disclosed are optically clear xerogel polymer compositions containing an interpenetrant.
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5523466 |
Diacylperoxide esters
Disclosed is a diacylperoxide vinyl ester of the general formula I ##STR1## in which R is an alkylene residue which can be straight-chained, branched or cyclic and which can contain 2 to 10 C atoms...
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5422395 |
Vinyl acetylsalicylate-vinyl alcohol based copolymer
A vinyl acetylsalicylate-vinyl alcohol based copolymer which comprises a structural unit having the following formula (1): ##STR1## and a structural unit having the following formula (2): ##STR2##...
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5340653 |
Free-radical curable compositions comprising vinyl ether and urethane malenate compounds
A free-radical radiation curable composition comprising: a) at least one compound containing one to six vinyl ether groups; and b) at least one compound containing a urethane backbone with one to...
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5298327 |
High temperature plastic light conduit and composition of matter therefor
A plastic light conduit of cross-linked polymer material having good light transmitting characteristics, without voids or noticeable bubbles, is disclosed. Also disclosed is a method of manufacture...
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5248749 |
Polymerizable compound and polymer therefrom
A homopolymer or a copolymer comprises a polymerizable compound represented by formula (I): A--X--COCOOR1 (I)wherein R1 represents a hydrogen atom, a C1 -C5 alkyl group or an aryl group; X...
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5218067 |
Allyl ester oligomer composition and organic glass for optical material comprising same
An allyl ester oligomer composition having a viscosity of 200 to 50,000 cP at 30° C. and a refractive index of 1.50 to 1.57 at 30° C., which is formed by mixing (a) 20 to 90% by weight of an a...
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5212273 |
Crosslinked polymeric microparticles; their method of preparation and use in coating compositions
Crosslinked polymeric microparticles obtained by polymerization of a mixture of polymerizable ethylenically unsaturated monomers being substantially free of monomers containing polar groups are...
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5132384 |
Optical material of low specific gravity and excellent impact resistance, optical molding product using the optical material and manufacturing method thereof
The present invention discloses an optical material having excellent transparency, impact resistance and heat resistance and having a low specific gravity and a high refractive index comprising a...
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5130393 |
Plastic lens
The plastic lens of the present invention consists of a copolymer obtained by copolymerizing a monomer mixture consisting of given proportions of diethylene glycol bis(allyl carbonate), benzyl...
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5122580 |
Method of manufacturing a high temperature plastic light conduit
A plastic light conduit of cross-linked polymer material having good light transmitting characteristics, without voids or noticeable bubbles, is disclosed. Also disclosed is a method of manufacture...
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5116670 |
Allyl ester resin composition and laminated sheet using the same
Resin compositions for laminated sheets and laminated sheets produced therefrom are disclosed, the compositions comprising at least one allyl ester resin composed of a polybasic acid and a...
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5051488 |
Organic glass with high refractive index
Novel organic glass with a high refractive index comprising a copolymer of (a) a diallyl isophthalate monomer, (b) an allyl or methallyl benzoate monomer and (c) a diester of maleic acid and/or...
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5015472 |
Coating compositions and methods for preventing adhesion of organisms
Disclosed are a coating composition (A) for preventing adhesion of organisms which comprises as its vehicle component a homopolymer or a copolymer, the homopolymer being one prepared by...
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5003020 |
Diallyl terephthalate prepolymer and process for producing seam
A diallyl terephthalate prepolymer consisting essentially of diallyl terephthalate monomer units, having (a) 10 or less of the monomer units in the carbon-carbon bonded molecular chain portion...
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4999410 |
Acrylate ester ether derivatives
A process for synthesizing ethers of alkyl alpha-(hydroxymethyl)-acrylate by reacting alkyl acrylate and formaldehyde in the presence of a DABCO catalyst. The ethers may be used as cross-linking...
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4973477 |
Coating compositions for preventing adhesion of organisms
Disclosed are a coating composition (A) for preventing adhesion of organisms which comprises as its vehicle component a homopolymer or a copolymer, the homopolymer being one prepared by...
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4879363 |
Organic glass for optical parts
Novel organic glass comprising a copolymer of (a) a diallyl phthalate monomer, (b) an allyl benzoate monomer and (c) a glycol bis(allylcarbonate) monomer, which has a high refractive index and...
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4861849 |
Sodium thiosulfate as part of a redox initiator system for the polymerization of water-swellable polymers
This invention relates to a process for polymerizing an aqueous solution of an α,β-ethylenically unsaturated monomer and at least one crosslinking monomer to produce a water-swellable polymer u...
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