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JP3085310B2 |
PURPOSE:To obtain a microorganism-removing agent capable of absorbing microorganisms existing in water or air in high absorption efficiency and killing with a sterilizer by attaching a specific vinylpyridium copolymer having a microorgan...
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JP2000234003A |
To obtain a water-soluble or water-swellable polymer by adding an N-vinylcarboxamide to an ammonium salt of an acrylamidoalkylsulfonic acid, adding a small amount of a crosslinking substance having at least two olefinic double bonds to t...
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JP3080691B2 |
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JP2000510187A |
An acrylic polymer of polymerized monomers of about 55-80% by weight of an alkyl methacrylate having 1-12 carbon atoms in the alkyl group, and alkyl acrylate having 1-12 carbon atoms in the alkyl group, substituted or unsubstituted aryl ...
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JP3074296B2 |
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JP2000203911A |
To obtain a dispersant for cement excellent in water reducing performance and slump retaining performance. The dispersant comprises a copolymer using an α,β-ethylenically unsaturated carboxylic acid or its alkali salt and a polymerizab...
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JP3069746B2 |
PCT No. PCT/EP91/01232 Sec. 371 Date Jun. 7, 1993 Sec. 102(e) Date Jun. 7, 1993 PCT Filed Jul. 2, 1991 PCT Pub. No. WO92/01008 PCT Pub. Date Jan. 23, 1992.The present invention relates to a process for the production of water-swellable p...
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JP2000198822A |
To obtain the subject copolymer capable of producing a polymer derivative by copolymerizing allylamine silyl with propylene in the presence of a specific catalyst. This method for producing a copolymer of an olefin monomer and an amine-c...
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JP3067024B2 |
A polymeric composition useful for forming biomedical devices, especially contact lenses, is formed by polymerizing a mixture comprising: (a) a compound represented by the general formula: where R<1> and R<2> independently denote a hydro...
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JP3066858B2 |
Salt-free vinylamine copolymers are formed by heating the corresponding N-vinylformamide copolymer to a temperature from about 75 DEG to 225 DEG C. in non-aqueous media in the presence of a catalyst comprising a Group VIII metal.
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JP3063041B2 |
PURPOSE: To prevent UV rays and to obviate the elution of a specified UV absorbent having a radical polymerizable functional group by subjecting a specific resin monomer and this UV absorbent to casting copolymn., then subjecting this co...
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JP2000191733A |
To produce a copolymer comprising a specific unit, having a high viscosity of an aqueous solution and capable of manifesting excellent flocculating performances as a cationic polymeric flocculant. This copolymer comprises substances repr...
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JP3056546B2 |
PURPOSE: To provide a lens material for eyes excellent in not only transparency but also oxygen transmittance, mechanical strength, hardness and hydrophilicity in spite of small water absorption rate. CONSTITUTION: This lens material con...
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JP2000143983A |
To obtain the subject material having a low dielectric constant, excellent heat resistance, sufficient peel strength at a room temperature, not causing scattering of resin in cutting, etc., having excellent handleability by laminating an...
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JP2000143312A |
To impart fluidity, fluid-keeping properties, repletion and resistance to the separation of materials, to a fresh concrete even in the case using a water reducing agent in combination therewith by using a copolymer obtained by copolymeri...
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JP3042546B2 |
A fine particulate crosslinked type N-vinylcarboxylic acid amide resin having an average particle size of 10 mu m or less comprising backbone chains of a homopolymer or copolymer comprising repeating units (A) or (A) and (B) of the formu...
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JP2000505484A |
A polymerizable composition consisting essentially of about 50 to about 90% by weight of vinylpyrrolidone monomer, about 10 to about 50% by weight of vinyl caprolactam monomer, and about 0.5 to about 7% by weight of a crosslinker, which ...
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JP2000505127A |
Strongly swellable, moderately crosslinked poly(vinyl pyrrolidone/vinyl acetate) copolymer (XL-PVP/VA) in the form of fine, white powders characterized by (a) an aqueous gel volume of about 15 to 150 ml/g of polymer, (b) a Brookfield vis...
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JP3030086B2 |
PCT No. PCT/GB92/01215 Sec. 371 Date Mar. 7, 1994 Sec. 102(e) Date Mar. 7, 1994 PCT Filed Jul. 6, 1992 PCT Pub. No. WO93/01221 PCT Pub. Date Jan. 21, 1993Polymers of one or more radical polymerizable monomers which polymer has pendant gr...
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JP2000503698A |
Thermoreversible hydrogels comprsing non-ionic, linear copolymers, and methods of their use in electrophoresis, are provided. The subject copolymers comprise polyacrylamide backbones, where a portion of the acrylamide monomeric units com...
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JP3027164B2 |
Hybrid copolymers of a nitrogenous grafted copolymer with a nitrogenous random polymer, and methods for their preparation, are provided. The hybrid copolymers can be prepared by first forming the nitrogenous graft copolymer and then copo...
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JP3008369B2 |
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JP3009356B2 |
Cross-linked copolymers which are obtainable by polymerizing a neutral diluent monomer or monomers, a monomer or monomers bearing a center of permanent positive charge, and a bifunctional and/or trifunctional cross-linking agent, are sui...
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JP2000038422A |
To provide a material for forming a refractive index distribution capable of forming a light guide resistant to the peeling off from the supporting substrate. This material contains a butadiene compound capable of forming a crosslinked s...
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JP2000501132A |
PCT No. PCT/EP96/05068 Sec. 371 Date May 29, 1998 Sec. 102(e) Date May 29, 1998 PCT Filed Nov. 18, 1996 PCT Pub. No. WO97/19922 PCT Pub. Date Jun. 5, 1997A description is given of tetramethylpiperidine-containing copolymers comprising 1-...
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JP2000026553A |
To prepare a curing composition capable of giving a cured product excellent in incombustibility, heat resistance, waterproofness and mechanical strengths along with electric characteristics by including a specific compound, a specific is...
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JP2000026790A |
To obtain a polymer composition for coating, reduced in color and, turbidity, exhibiting low irritation and excellent in handleability by hydrolyzing a copolymer of N-vinylformamide with acrylonitrile, adding a lower alcohol and distilli...
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JP2000015086A |
To provide the subject soln. useful as a thickening gelling agent. Crosslinked copolymer resin particles of N-vinyl carboxylic acid amide represented by general formula (I): CH2=CHNR1COR2 (wherein R1 and R2 are mutually independently hyd...
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JP2000017025A |
To improve a salt-resistance, an alcohol-resistance and lowering pH- dependence by copolymerizing a specific acrylate with N-vinyl carboxamide in organic solvents in the presence of an initiator for polymerization. An N-vinylcarboxamide-...
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JP2000001352A |
To impart flowability, flowability retention, fillability and material separation resistance in a well-balanced state to fresh concrete and to improve applicability, work efficiency and the quality of a hardened body by using a copolymer...
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JP2991491B2 |
What is described herein is a precipitation polymerization process and terpolymer products produced thereby. Polymerization is carried out in a reaction mixture of a vinyl lactam, e.g. vinyl pyrrolidone or vinyl caprolactam, a polymeriza...
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JP2987190B2 |
Novel optical fiber cladding compositions containing fluorinated acrylamide monomers are described. The claddings are liquids at room temperature which possess excellent coating viscosities in the pre-polymerized state and are polymerize...
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JP2987438B1 |
[wrap up] [Task] Provided are a polymer having a high content of carbamoylguanidine group and a method for producing the same. The following general formula (1) [Chemical 4] (In the formula, R1And R2May be the same or different, and repr...
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JPH11322854A |
To easily obtain a heat-sensitive crosslinked polymer material having freely controllable hydrophilic-lipophilic transition point of crosslinked copolymer and enabling hydrophilic-lipophilic transition in high economical efficiency by in...
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JPH11322586A |
To produce a solid medicine and a cosmetic which release active ingredients under controlling by using a copolymer consisting of N-vinyllactam or N-vinylamine and a specific monomer as a matrix. This solid medicine and cosmetic are produ...
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JP2980253B2 |
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JPH11315123A |
To obtain a tartramide-based copolymer having excellent builder ability and useful as a builder for detergents by including a specific monocarboxylic acid structural unit and a specific tartramide structural unit at a specific ratio. Thi...
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JP2979611B2 |
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JP2974747B2 |
Preparation of copolymers which are clear in water from A) 45 to 90% by weight of N-vinylpyrrolidone, B) 10 to 55% by weight of a vinyl ester and C) 0 to 10% by weight of further copolymerisable monomers by free radical polymerisat...
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JP2974943B2 |
To obtain a film excellent in adherability to substrate, longterm weatherability, scratch resistance, solvent resistance, etc., by incorporating a crosslinking agent in an acrylic polyol prepared by copolymerization of a specific monomer...
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JP2975618B2 |
Water-soluble, branched, high molecular weight polymeric flocculants capable of manifesting their full performance potential without shearing are produced by polymerizing ethylenically unsaturated monomers and a branching agent in the pr...
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JP2976517B2 |
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JP2975379B2 |
A process for the polymerization of polymers containing at least one hydrophilic monomeric component and at least one hydrophobic monomeric component comprising the step of polymerizing the monomers in the presence of free radical polyme...
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JP2965277B2 |
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JP2962816B2 |
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JPH11279234A |
To obtain a heat sensitive polymer comprising a usual hydrophilic monomer capable of freely setting the insolubilizing temperature to water, excellent in economics by using a copolymer of a hydrophilic monomer and a hydrophobic monomer a...
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JPH11263813A |
To provide a method for copolymerizing a type of allyltrialkylammonium salt and a specific vinyl monomer to prepare a copolymer therefrom in a simple way and in a high yield. This allyltrialkylammonium salt copolymer can be prepd. in a s...
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JPH11255841A |
To provide an industrially advantageous method for readily preparing a copolymer in a high yield by copolymerizing a monoallyltrialkylammonium salt and allylamines. (A) a monoallyltrialkylammonium salt and (B) monoallylamine addition sal...
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JPH11255839A |
To obtain a polymer derivative useful for separation, purification, fixation, etc., of a material which shows difficulty in temperature selection such as an enzyme by making a polymer include a monomer component having a low limit critic...
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JPH11249084A |
To obtain an ocular lens, such as soft contact lens, which is free of eluate, has a high moisture content and high oxygen permeability, is excellent in transparency, contamination resistance, mechanical strength and flexibility and is ex...
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