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JPH0618833B2 |
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JPH0618817B2 |
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JPH0618818B2 |
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JPH0618820B2 |
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JPH0617259B2 |
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JPH0613563B2 |
Impact modified polycycloolefin is made by ring opening bulk polymerization of at least one monomer containing at least one norbornene group in the presence of an organoammonium molybdate or tungstate catalyst and an alkoxyalkylaluminum ...
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JPH0613564B2 |
Impact modified polycycloolefin is made by ring opening bulk polymerization of at least one monomer containing at least one norbornene group in presence of an organoammonium molybdate or tungstate catalyst and an alkoxyalkylaluminum hali...
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JPH0625319A |
PURPOSE: To obtain the captioned polymers having high crystallinity and high melting point and superior thermal stability and good processability by polymerizing 1,5-hexadiene in the presence of catalysts comprising specified metallocene...
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JPH066609B2 |
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JPH0616728A |
PURPOSE: To obtain a copolymer excellent in randomness, having a specific steric structure introduced from a cyclic olefin and good heat distortion property and transparency by copolymerizing an α-olefin with a cyclic olefin with a spec...
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JPH0616789A |
PURPOSE: To obtain a modified cyclopentadiene resin suitable for binder resins for printing, etc., having a good miscibility and solubility, by reacting a cyclopentadiene compound with a natural resin acid and a phenol resin at a specifi...
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JPH062786B2 |
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JPH0588558B2 |
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JPH0583082B2 |
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JPH05301926A |
PURPOSE:To obtain the subject copolymer excellent in transparency, heat resistance, chemical resistance, dielectric properties, moldability and toughness, suitable as a material for optical forms such as optical lens by random copolymeri...
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JPH05287015A |
PURPOSE:To improve adhesion, hydrophilicity, printability, and compatibility by introducing amino groups into the C-C double bonds of an unsaturated copolymer composed of a 3-12C alpha-olefin and a specific cyclic olefin. CONSTITUTION:A ...
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JPH05279413A |
PURPOSE:To obtain a halogen-containing copolymer useful as a compatibilizing agent for polymer alloy, having excellent flame-retardance, polymer modifying properties, etc., by introducing a halogen group to an unsaturated copolymer of an...
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JPH05279412A |
PURPOSE:To produce a modified copolymer having excellent adhesiveness, printability, hydrophilic nature, polymer modifying properties, etc., by introducing an epoxy group or OH group to an unsaturated copolymer of an alpha-olefin and a s...
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JPH05262822A |
PURPOSE:To provide a process for polymerizing a norbornene monomer in the presence of a metathesis catalyst which, when dissolved in a norbornene monomer solution, can give a stable solution which can be stored for a long time, therefore...
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JPH0566402B2 |
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JPH0566401B2 |
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JPH05239147A |
PURPOSE: To obtain the subject polymer containing aromatic rings in the main chain with less halogen impurities content by treating a polymer containing disubstituted cyclohexenylene rings in the main chain with an (alkali) metal salt or...
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JPH05239148A |
PURPOSE:To obtain the subject resin excellent in heat resistance, mechanical strength, transparency, etc., also excellent in adherability to other thermoplastic norbornene-based resins by addition polymerization of a tricyclic norbornene...
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JPH0562613B2 |
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JPH05230148A |
PURPOSE:To enable high-yield production of the title copolymer which has a homogeneous composition and is suitably used as an optical material such as optical memory disks by liquid-phase copolymerization of ethylene with a specific cycl...
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JPH05222211A |
PURPOSE:To provide a method for producing the rubber/rubber bonded composite body comprising a rubber material consisting of a nonpolar general rubber and a rubber material consisting of a polar rubber, both the rubber being strongly bon...
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JPH05222129A |
PURPOSE:To obtain a highly conductive polymer by forming a polymer comprising specified repeating units and having specified molecular weight, etc. CONSTITUTION:The title polymer comprises at least one repeating unit of the formula [wher...
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JPH05217233A |
PURPOSE: To provide a magneto-optical recording medium which is intensified in thermal dimensional stability and resistance to a hydrolysis and is lessened in the hygroscopicity and double refraction of a base. CONSTITUTION: This magneto...
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JPH0558442B2 |
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JPH0557288B2 |
A method of preparing a thermoset, cross-linked polymer of a norbornene-type monomer - particularly dicyclopentadiene - is disclosed wherein a reactant stream containing a metathesis catalyst is combined with a second reactant stream con...
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JPH05202171A |
PURPOSE: To obtain a catalytic system low in toxity, low in cost, excellent in catalytic activity and capable of polymerizing a cycloolefin, especially, a norbornene deriv. in a large scale by compounding a tungsten compd. with a specifi...
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JPH0547535B2 |
Monoethylenically unsaturated quaternary monomers of the formula wherein R<1> is a (C1 - C4) straight chain alkyl group optionally hydroxy-substituted, n is 0 or 1, R<2> is H or OH, R<3> is an alkenoxy group containing an allyl group or ...
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JPH0542417B2 |
Preparation of 1,2-dihydroxy-cyclohexadienes by a biochemical process using strains of Pseudomonas putida. The dihydroxy compounds can be converted into novel 1,2-disubstituted-cyclohexadienes. Certain of the novel compounds are useful a...
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JPH0570198A |
PURPOSE: To provide a cement admixture enhancing the flowability of a cement mixture, reduced in the amount of entrained air and effective for preventing the slump loss of the cement product. CONSTITUTION: A cement mixture containing at ...
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JPH0520450B2 |
A catalyst comprising a mixture of WCl6 and WOCl4 is prepared by controlled oxidation of WCl6 using, as an oxygen, t-butanol, water vapor, a hydrated inorganic salt or a wet molecular sieve. The product is an effective catalyst for ring ...
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JPH0519568B2 |
Disclosed is a process for polymerizing beta-pinene to a substantially colorless, hard beta-pinene resin, and to the beta-pinene resin thus produced.
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JPH0543780A |
PURPOSE:To obtain a resin having low shrinkage after curing and excellent shape-retainability and giving an engraving material formable by casting, engraving, cutting, etc., by compounding a modified polyolefin resin to a polyoctenamer r...
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JPH0513171B2 |
Disclosed is a cellular thermoset poly(dicyclopentadiene) having a density of from about 0.2 to about 0.85 g/ml.
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JPH0510366B2 |
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JPH0510365B2 |
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JPH0517529A |
PURPOSE:To obtain the subject copolymer, having high stereoregularity, excellent in crystallinity, coating properties, adhesion and printability and useful as a raw material for modified polymers, etc., by polymerizing an alpha-olefin wi...
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JPH0517530A |
PURPOSE:To obtain the subject copolymer, having high stereoregularity, excellent in crystallinity, coating properties, adhesion and printability and useful as a raw material for modified polymers, etc., by polymerizing an alpha-olefin wi...
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JPH059223A |
PURPOSE: To narrow molecular weight distribution by polymerizing a specified monomer, a cycloolefin, and a noncyclic 1-olefin. CONSTITUTION: A mixture of 0.1-100 wt.% monomer of formulas I-VI (R1-8 are H, 1-8C alkyl), 0-99.9 wt.% cyclool...
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JPH04338295A |
PURPOSE: To inexpensively obtain an excellent scale preventive agent by using a water-soluble salt of a copolymer of indene or a component having the reactive double bond in arom. hydrocarbon (naphtha oil) essentially consisting of the i...
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JPH0466883B2 |
PURPOSE:To produce the titled polymer having excellent dispersibility and improved hue, by sulfonating a specified norbornene derivative and polymerizing the sulfonated derivative in the presence of an acidic compound catalyst. CONSTITUT...
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JPH04300906A |
PURPOSE:To efficiently produce a styrene-based copolymer comprising a styrene- based monomer and indene or acenaphtylene monomer, particularly styrene-based copolymer having highly syndiotactic structure. CONSTITUTION:A method for produc...
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JPH04295819A |
PURPOSE:To allow a sure and uniform surface graft polymn. treatment by immersing a specific lens base material into a monomer soln., then deaerating the soln. by specifying the time for impression of ultrasonic waves under a vacuum. CONS...
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JPH04295818A |
PURPOSE:To simplify the deaeration operation at the time of surface graft polymn. by immersing a specific lens base material into a monomer soln., then impressing ultrasonic waves thereto under a vacuum. CONSTITUTION:The polymer of the e...
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JPH04293011A |
PURPOSE:To obtain the transparent graft polymer free from white cloud by applying vibration at the time of graft polymerization and ensuring the unform monomer concentration. CONSTITUTION:The polymer to be used as the base material of th...
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JPH04279611A |
PURPOSE:To provide a novel norbornadiene copolymer having excellent moldability, heat resistance, etc., useful as a heat-resistant transparent resin, structural material, etc., and especially giving ultra heat-resistant films having exce...
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