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JP3209562B2 |
PURPOSE: To obtain the transparent subject copolymer containing specific recurring units at a specific ratio, having each prescribed intrinsic viscosity and glass transition temperature, having excellent heat resistance and resistance to...
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JP3208602B2 |
PURPOSE: To obtain a copolymer suitable for photoresist being readily processed into thin film, etc., having high transparency in a far infrared region, comprising a specific adamantane, and a methacrylate derivative and a norbornene ske...
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JP2001514287A |
Coupled polymers are prepared by a process comprising heating an admixture containing (1) at least one polyolefin comprising ethylene and optionally at least one comonomer and (2) a coupling amount at least one poly(sulfonyl azide) to at...
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JP2001514284A |
Coupled polymers are prepared by a process comprising heating an admixture containing (1) at least one polyolefin comprising ethylene and optionally at least one comonomer and (2) a coupling amount at least one poly(sulfonyl azide) to at...
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JP2001514288A |
Coupled polymers are prepared by a process comprising heating an admixture containing (1) at least one polyolefin comprising ethylene and optionally at least one comonomer and (2) a coupling amount at least one poly(sulfonyl azide) to at...
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JP3207891B2 |
PURPOSE: To produce a cycloolefin homopolymer or a cycloolefin/α-olefin copolymer at good efficiency without the necessity for conducting ring opening and using a large amount of an organometallic compound. CONSTITUTION: A cycloolefin i...
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JP3203029B2 |
PURPOSE: To obtain the title copolymer excellent in heat resistance and mechanical strengths by effecting the random copolymerization of ethylene with a specified aromatic-containing norbornene to form a product of a specified structure ...
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JP3199712B2 |
To obtain a substance which gives a phororesist being capable of transmitting an argon fluoride excimer laser wavelength of a specified value and transparent and having good dry etching resistance by homopolymerizing or copolymerizing a ...
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JP2001219504A |
To provide a metal/cyclic hydrocarbon resin laminate having electromagnetic characteristics proximate to those of a metal in low electric resistance or the like and appearance near to that of a metal in metal gloss or the like, excellent...
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JP2001215703A |
To obtain a high molecular compound for a photoresist excellent in adhesion to a substrate and capable of accurately forming a fine pattern.The high molecular compound contains a monomer unit to formula I and may further contain at least...
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JP2001215318A |
To provide a diffraction grating consisting of a specified cyclic hydrocarbon polymerized material.A lightweight diffraction grating excellent in the optical characteristics and heat resistance and having low water absorption is obtained...
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JP2001511194A |
Fluorinated solid acids and supported fluorinated solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-assoc...
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JP2001206971A |
To obtain a foamable polymer composition and its foam which has excellent heat resistance, chemical resistance and electric characteristics because the main resin component of the foam is a specific cyclic hydrocarbon-based polymer and w...
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JP2001201613A |
To provide a light diffusion plate which has excellent optical characteristics, does not give rise to rainbow patterns and is free of flickering of a screen. This light diffusion sheet consists of [A] a specific cyclic hydrocarbon base p...
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JP2001203397A |
To provide a light-emitting diode wherein a semiconductor chip mounted using a metal lead frame is sealed with a thermoplastic resin comprising a specific cyclic hydrocarbon polymer. The light-emitting diode is excellent in heat-resistan...
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JP2001509185A |
Fluorinated solid acids and supported fluorinated solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-assoc...
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JP3185293B2 |
PURPOSE: To obtain the subject polymer excellent in heat resistance, light resistance, transparency and humidity resistance and useful as an optical material by using specified structural units as the principal component of its main chai...
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JP3181955B2 |
PURPOSE: To markedly improve the activity of a polymerization catalyst, to develop a process which can dispense with any deashing step and to reduce equipment cost and energy cost by simply removing impurities such as a cyclic olefin oxi...
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JP2001164201A |
To provide a primer composition capable of well adhering a metathesis polymer from a cycloolefin to the surface of a substrate, such as plastics and metals, to provide a cycloolefin polymer complex obtained by using the composition, and ...
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JP2001508103A |
Fluorinated solid acids and supported fluorinated solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-assoc...
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JP2001508102A |
Fluorinated solid acids and supported fluorinated solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-assoc...
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JP2001164019A |
To provide a sheet excellent in impact resistance, heat resistance, heat insulation and oil resistance, and a container formed from the sheet.This sheet is produced by forming a foamed sheet containing a homo or copolymer of a cyclic ole...
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JP3176138B2 |
PURPOSE: To produce an alkenylsilane copolymer in a high yield by copolymerizing an alkenylsilane with a cycloolefin in the presence of a catalyst comprising a specific metal compd. and an organometallic compd. CONSTITUTION: An alkenylsi...
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JP3173897B2 |
PURPOSE: To obtain a simply producible cyclic olefinic resin fiber having improved moldability, totally excellent strength, elasticity, heat resistance, handle, etc., comprising a random copolymer of ethylene and a cyclic olefin, etc. CO...
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JP3170937B2 |
PURPOSE: To obtain a modified resin having an elevated glass transition temp. CONSTITUTION: A thermoplastic alicyclic hydrocarbon resin which is substantially free from the structure formed by the ring-opening polymerization of phenylnor...
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JP2001126311A |
To obtain a stable molding material having a low rate of change of an optical characteristic (retardation) in a wide wavelength range and suitable for optical use and to obtain an optical disk capable of reading and writing with plural l...
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JP2001098016A |
To provide a process for preparing a hydrogenated alicyclic olefin polymer which achieves a high hydrogenation rate at a low temperature and allows an easy removal of catalysts after the hydrogenation reaction. In a process for preparing...
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JP3154999B2 |
The prodn. of cycloolefin polymers (COC) comprises the polymerisation of (a) 0.1-100 wt.% monomer(s) of formula (I), (II), (III) or (IV), (b) 0-99.9 wt.% cycloolefin of formula (V) and (c) acyclic 1-olefin(s) of formula (VI), at -78 to +...
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JP3151862B2 |
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JP3150181B2 |
PURPOSE: To obtain a vibration-damping material showing vibration-damping properties in a wide temperature range by using a copolymer obtained by copolymerizing a cycloolefin with an α-olefin and having a specified Tg and a specified me...
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JP2001059004A |
To efficiently obtain a cyclic olefin-based polymer of a homopolymer of a cyclic olefin without using a large amount of an organometallic compound by polymerizing specific cyclic olefins in the presence of a specific catalyst. The object...
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JP3141190B2 |
PURPOSE: To obtain the title copolymer having excellent thermal and mechanical characteristics by selecting the copolymer having structural units derived from a cyclic conjugatd diene, specific polymer chains, and a specified number aver...
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JP2001055411A |
To provide a production method efficiently producing a cyclic olefin based polymer in high productivity by using a catalyst system combining a specific zirconium compound and an alkylaluminoxane. (C) A cyclic olefin expressed by formula ...
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JP2001031744A |
To obtain a molding material that, even when molded by injection molding, can give an optical disc base having high mold shape transfer and toughness, a low birefringence, and good disc properties and freed from silver streaks by using a...
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JP3127490B2 |
PURPOSE:To provide excellent heat resistance and light conductivity without impairing plastic characteristics of excellent flexibility and workability and lightweight property by forming a core section with specific thermoplastic resin. ...
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JP2001002722A |
To produce the subject polymer excellent in mechanical characteristics and heat resistance in good efficiency by contacting a cyclic olefin to a specific catalyst.This production method of a cyclic olefin polymer is to contact (C) a cycl...
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JP2001002721A |
To provide a method for producing a norbornene-based cyclic olefin polymer capable of producing the norbornene-based cyclic olefin polymer dissolvable in a solvent and formulated and obtain a block copolymer containing the norbornene-bas...
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JP2000351885A |
To obtain a resin composite excellent in strength and recyclability by compositing a crystalline cyclodiene polymer and a polymer other than a crystalline cyclodiene polymer.In the case of, e.g. a cyclohexadiene polymer, a polymer which ...
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JP3113091B2 |
PURPOSE: To obtain a ring-opening catalyst comprising a specific tungsten-imido compound and an activator compound, which catalyzes the polymerization of strained ring non-conjugated polycyclic cycloolefins until the level of the residua...
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JP2000313745A |
To produce a pellet capable of preventing the absorption or mixing in of various kinds of foreign materials or resin powder derived from an environment and reducing the yellowing or defective molding of molded products and to provide a m...
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JP2000515195A |
Certain olefins such as ethylene, alpha -olefins and cyclopentene can be polymerized by using catalyst system containing a nickel or palladium alpha -diimine complex, a metal containing hydrocarbylation compound, and a selected Lewis aci...
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JP2000515129A |
This invention relates to ethylenically unsaturated polymerizable monomers of formula (I) wherein Y is (a, b, c, d, e, f, g, h or i) wherein A is (j, k, l, m, n or o) wherein each R is individually H, -(-CqH2q-O-)m-R<2>, (p), etc., which...
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JP2000514433A |
Metallocene compounds of the formulawhereCpI and CpII are carbanions having a cyclopentadienyl-containing structure,D is a donor atom andA is an acceptor atom,where D and A are linked by a reversible coordinative bond in such a way that ...
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JP2000302819A |
To obtain a catalyst capable of polymerization of a cyclic olefin in high activity by using an organic transition metal compound and an organoaluminium oxy compound. The organic transition metal compound of formula I is used. In the form...
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JP2000302820A |
To obtain a cyclic olefin polymer having excellent characteristics in high polymerization activity at high productivity by contacting a catalyst, which is made of an organic transition metal compound and an organoaluminumoxy compound, wi...
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JP2000302818A |
To provide a molding material from which is formed a base plate for an information medium having good transferability, a few surface defects such as minute concavo-convex surfaces and a small degree of warpage. This molding material comp...
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JP2000514120A |
Cycloolefin copolymers for use for optical data memories, can be prepared by copolymerization of monomers from the group consisting of cyclic olefins, alpha-olefins having 2 or more C atoms and optionally conjugated or non-conjugated dio...
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JP2000514118A |
Cycloolefin copolymers for use for optical data memories, can be prepared by copolymerization of monomers from the group consisting of cyclic olefins, alpha-olefins having 2 or more C atoms and optionally conjugated or non-conjugated dio...
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JP2000514119A |
Cycloolefin copolymers for use for optical data memories, can be prepared by copolymerization of monomers from the group consisting of cyclic olefins, alpha-olefins having 2 or more C atoms and optionally conjugated or non-conjugated dio...
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JP2000514116A |
Cycloolefin copolymers for use for optical data memories, can be prepared by copolymerization of monomers from the group consisting of cyclic olefins, alpha-olefins having 2 or more C atoms and optionally conjugated or non-conjugated dio...
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