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JP2668414B2 |
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JP2662070B2 |
PURPOSE:To improve chem. resistance, impact resistance and mechanical strength by blow-molding a specified cyclic olefin resin. CONSTITUTION:A cyclic olefin resin consisting of a (co)polymer (or hydrogenated product thereof), obtd. by pe...
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JP2653773B2 |
PURPOSE: To obtain a process for producing a cyclic polyene copolymer having a narrow mol.wt. distribution at a high copolymn. efficiency. CONSTITUTION: An α-olefin and a cyclic polyene are copolymerized in the presence of a catalyst wh...
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JP2647640B2 |
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JPH09216919A |
To obtain a cycloolefin copolymer excellent in moldability, heat resistance, stiffness, clarity, solvent resistance, etc., by copolymerizing a specific cycloolefin with a 2-12C α-olefin by using a specific catalyst. A catalyst comprisin...
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JPH09203207A |
To provide a concrete form which is a light weight and excellent workability concrete form and easy to connect and upgraded in a joining ability of a joint between forms and a joining method thereof. This form is made of an integrally mo...
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JPH09188748A |
To recycle a readily handleable and lightweight cross-linked polymer concrete frame mold, obtained by cross-linking and polymerizing a cyclic olefin in a metallic mold in the presence of a metathetic catalyst system and excellent in dura...
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JPH09188714A |
To obtain the above molded product excellent in weatherability, oxidation stability and transparency by mixing two reaction solutions which can react with each other by use of a Ziegler catalyst. This molded product is obtained by bulk p...
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JP2629865B2 |
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JPH09183809A |
To efficiently obtain an amorphous olefinic polymer by using extremely small amount of catalyst containing a specific transition metal complex as a component. This olefinic polymer is obtained by polymerizing a cyclic olefin of formula I...
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JPH09176223A |
To obtain a cycloolefin copolymer having high tear strength while performing the reaction in high activity by copolymerizing a cyclic olefin with an acyclic olefin in the presence of a catalyst containing a specified metallocene compound...
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JP2619868B2 |
Disclosed is a process for making terpolymers having a Ring and Ball softening point of 69 DEG C to 130 DEG C prepared from a vinyl-substituted aromatic hydrocarbon, a monoterpene hydrocarbon and a phenol. The terpolymers are useful as t...
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JP2619856B2 |
PURPOSE:To obtain an optical material which is highly resistant to heat, chemicals, solvents and water, is substantially free from shrinkage, has excellent dimensional stability and formability and has substantially no double refractions...
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JPH09147626A |
To provide a material which has a high dielectric constant and a low dielectric dissipation factor capable of being easily molded by injection molding or the like and which can be easily molded by injection molding or the like. A resin c...
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JP2615176B2 |
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JP2611314B2 |
Vinyl ethers having a carboxyl group in a form of salt are stable and is usable as materials for fluorine-containing copolymers. The vinyl ethers can provide sable monomer compositions by mixing with vinyl ethers having a free carboxyl g...
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JP2603860B2 |
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JP2603330B2 |
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JPH09100314A |
To obtain a curable resin having high thermal and mechanical properties and excellent in durability, chemical resistance, and compatibility with other resins by incorporating a polymer having cyclic structural units and reactive groups. ...
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JPH09100388A |
To prepare a polymeric composite material which has excellent thermal and mechanical properties by incorporating particular two or more polymers contg. a cyclic conjugated diene monomer unit and/or a cyclic olefin monomer unit. At least ...
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JP2598618B2 |
PURPOSE: To provide novel arylcyclobutene compounds suitable for providing thermoplastic and/or thermoplastic engineering polymeric compositions. CONSTITUTION: Novel arylcyclobutene compounds are represented by formula I [wherein Ar is a...
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JPH0995528A |
To obtain a high-modulus polymer by mixing to toluene with a (substituted) methylenecyclopropane and a catalyst represented by a specified formula at a low temperature, agitating the obtained mixture at room temperature, quenching the mi...
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JPH0940723A |
To provide a functional polymer of excellent heat resistance by dehydrogenating a cyclic conjugated diene polymer represented by a specified formula so that part or all of the recurring units of the polymer chain may be converted into ar...
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JPH093117A |
To produce a cycloolefin copolymer having transparency and excellent tensile strength. A process for producing a cycloolefin copolymer by polymerizing at least one cycloolefin and at least one acyclic olefin in the presence of at least o...
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JPH08304637A |
PURPOSE: To directly connect optical transmission bodies without using a device for signal conversion by using a noncrystalline fluorine-contg. polymer matrix having no C-H bonds to obtain an optical transmission body such as an refracti...
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JPH08304639A |
PURPOSE: To obtain high transmission range over a wide wavelength region in one plastic optical fiber by using a refractive index distribution type optical fiber consisting of a noncrystalline fluorine-contg. polymer matrix having no C-H...
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JPH08304638A |
PURPOSE: To decrease the resin amt. while keeping low transmission loss, wide transmission range and easy connection and to transmit light from UV rays to near IR rays with low loss while keeping heat resistance and the like by increasin...
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JPH08283333A |
PURPOSE: To obtain a cycloolefin polymer in a very high efficiency by using a minute amount of a catalyst mainly consisting of a compound of a group 10 transition metal and a Lewis acid. CONSTITUTION: A cycloolefin is polymerized by usin...
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JPH08268927A |
PURPOSE: To purify a cyclic olefin containing impurities into a purified product having industrially sufficient polymerization activity by bringing a cyclic olefin containing impurities into contact with a basic aqueous solution and to s...
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JPH08252977A |
PURPOSE: To obtain excellent printability and to improve the plasticizer resistance, oil resistance, solvent resistance and water resistance by using specific modified PVA resin for a thermosensitive color developing layer, a protective ...
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JPH08225614A |
PURPOSE: To obtain a cyclic conjugated diene-based polymer having a narrow molecular weight distribution and improved thermal and mechanical properties by polymerizing a cyclic conjugated diene-based monomer with another monomer in the p...
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JPH08225616A |
PURPOSE: To obtain effectively and efficiently a cyclic conjugated diene-based block copolymer having excellent performances sufficiently satisfactory for an industrial material by polkymerizing block units composed of units derived from...
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JPH08220530A |
PURPOSE: To provide an uniaxial orientation polyacene film high in a dichroism ratio and its manufacture, polarizing elements high in performance composed of the polyacene film and a liquid crystal display device employing the polarizing...
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JP2528488B2 |
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JP2522653B2 |
Thermoset polycycloolefins are obtained by polymerizing at an elevated temperature a cycloolefin containing at least one norbornene group in the presence of a metathesis catalyst system and also in the presence of an effective amount of ...
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JPH08183817A |
To obtain a cycloolefin copolymer which is excellent in acid resistance, base resistance, etc., and gives a coating film having a surface excellent in friction resistance by reacting a cycloolefin copolymer having double bonds with ozone...
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JP2511387B2 |
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JPH08165309A |
PURPOSE: To produce a cycloolefin polymer having excellent mechanical properties, excellent heat resistance, a high molecular weight and a narrow molecular weight distribution by bringing a cycloolefin monomer into contact with a catalys...
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JP2509047B2 |
PURPOSE: To prepare a dicyclopentadiene polymer having high impact strength and high elastic modulus. CONSTITUTION: This comprising a polymerization unit of dicyclopentadiene and having a crosslinking structure is obtained by polymerizin...
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JPH08155007A |
PURPOSE: To improve the transparency and heat resistance of a medicine packing container and to prevent elution of additives by forming the container of a random copolymer of a cyclic olefin expressed by the prescribed formula and ethyle...
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JPH08157533A |
PURPOSE: To produce a cycloolefin copolymer in which the cycloolefin component is incorporated in a sufficiently high rate. CONSTITUTION: A cycloolefin copolymer is produced by copolymerizing a cycloolefin with an α-olefin in the presen...
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JPH08157514A |
PURPOSE: To produce a cycloolefin copolymer having a sufficiently high molecular weight by using a very small amount of a catalyst. CONSTITUTION: A cycloolefin copolymer is produced by copolymerizing a cycloolefin with an α-olefin in th...
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JP2504495B2 |
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JPH08142263A |
PURPOSE: To obtain a metal/cyclic olefinic resin laminate having electromagnetic characteristics near to those of a metal and excellent in moistureproofness, gas barrier properties, light blocking properties, transparencey, twist resista...
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JPH08142289A |
PURPOSE: To obtain a multilayer rolled sheet which is excellent in optical characteristics and moistureproofness, and especially excellent in toughness by a method wherein that is composed of two resin layers, and one side resin layer is...
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JPH08136446A |
PURPOSE: To provide the analytical cell which is excellent in a light transmission factor, in a light transmission factor in the ultraviolet ray area in particular, and also excellent in chemical resistance by forming the analytical cell...
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JPH08134800A |
PURPOSE: To obtain laminated paper suitable for a food packaging material or a building material such as wall paper, having both moisture resistance and tear properties, by laminating a cyclic olefinic resin film to woodfree paper. CONST...
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JPH08132539A |
PURPOSE: To produce a sheet or film planished with high surface accuracy from a non-crystalline cyclic olefinic resin having high melt viscosity. CONSTITUTION: A cyclic olefinic resin is extruded from a T-die to be formed into a cyclic o...
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JPH08109222A |
To obtain an amorphous cycloolefin polymer having high transparency, hot shape stability and a narrow molecular weight distribution, and usable for optical components by copolymerizing specified monomers. The cycloolefin polymer has a me...
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JPH08104716A |
PURPOSE: To produce a high-molecular-weight polymer usable also as a molding material by prepolymerizing a cycloolefin other than cyclohexene by using a specified catalyst and a specified promoter, adding cyclohexene to the reaction mixt...
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