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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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JPH08505898A |
Rubbery, amorphous cyclic olefin/ alpha -olefin copolymers in a molar ratio from 5/95 to 30/70. The copolymers are rubbery and have the general properties of thermoplastic elastomers, e.g. good elastic recovery, toughness, and high elast...
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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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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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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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JPH08100029A |
To obtain an at least 3C olefinically unsaturated group-containing cycloolefin polymer excellent in transparency and dimensional stability upon being heated and desirable in the production of a polymer having terminal polar functional gr...
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JPH0884773A |
PURPOSE: To mate draft angle unnecessary by using an amorphous resin contg. a ring structure combined in its molecular main chain for forming a syringe cylinder and specifying respectively its heat distortion temp., coefficient of therma...
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JPH0822894B2 |
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JPH0859744A |
To provide a cycloolefin copolymer comprising polymerized units of a cycloolefin and polymerized units having a specific functionalized structural unit and, if desired, polymerized units of an acyclic olefin which is excellent in giving ...
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JPH0859726A |
PURPOSE: To provide a producing method capable of enlarging a temperature region exhibiting a rubber elasticity of the resultant cyclic olefin-based polymer to a low temperature side. CONSTITUTION: This method for producing a cyclic olef...
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JPH0857051A |
PURPOSE: To provide an injection syringe having no seepage of an eluate into a medicine and excellent in chemical resistance, transparency, and size stability by forming the syringe with a random copolymer of ethylene and a tetracyclo[4....
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JPH0819189B2 |
A process for producing a cycloolefin random copolymer, which comprises (1) copolymerizing (a) ethylene or both ethylene and an alpha-olefin having at least 3 carbon atoms with (b) an cycloolefin such as octahydronaphthalenes and bicyclo...
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JPH0819292B2 |
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JPH0848724A |
PURPOSE: To obtain the title polymer excellent in mechanical properties, transparency, melt flowability and moldability by selecting a cycloolefin polymer having specific properties. CONSTITUTION: A cycloolefin polymer is selected from a...
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JPH0834824A |
PURPOSE: To provide a hydrocarbon resin well soluble in an aliphatic solvent such as hexane and highly reactive with another monomer or the like. CONSTITUTION: This resin is one prepared by polymerizing a fraction (A) containing an aliph...
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JPH07103102B2 |
A monomer comprises a reactive arylcyclobutene moiety and a molecular group which is bonded to the aryl group of the arylcyclobutene moiety. The molecular group can comprise an organic molecular group, especially at least one unsaturated...
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JPH0791342B2 |
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JPH0788412B2 |
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JPH07242711A |
PURPOSE: To obtain a copolymer capable of being formed into various molded products excellent in thermal properties and water resistance without detriment to the excellent mechanical and optical properties of a methacrylic resin. CONSTIT...
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JPH0780973B2 |
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JPH0777039B2 |
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JPH07216030A |
PURPOSE: To obtain a cycloolefin copolymer comprising polymer units from a cycloolefin and other polymer units in a specified ratio, being excellent in transparency, adhesiveness, dimensional stability, hardness, and hydrolysis resistanc...
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JPH07216029A |
PURPOSE: To provide a cycloolefin copolymer comprising polymer units from a polycyclic olefin and other polymer units, containing repeating structural units having a plurality of electron-withdrawing groups, having specified properties, ...
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JPH0764899B2 |
Modified cyclopentadiene resin which comprises a) from 40 to 90% by weight of units of monomeric or oligomeric cyclopentadiene and/or alkyl-substitution products thereof, b) from 1 to 30% by weight of resols, c) from 5 to 40% by weight o...
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JPH07505661A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH0751609B2 |
A random copolymer comprises recurring units each having the formula of; wherein R<1> to R<1><0> stand for a hydrogen atom or an alkyl group with or without R<5> being bonded to R<6> or R<1><0> via an alkylene group having 1 to 3 carbon ...
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JPH0747744B2 |
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JPH0739473B2 |
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JPH0733413B2 |
Copolymer of maleic anhydride and the polymerizable component of naphtha oil chiefly composed of indene and aromatic hydrocarbons having a reactive double bond, a resin modifier containing said copolymer as an effective ingredient, a dis...
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JPH0730167B2 |
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JPH0723411B2 |
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JPH0717740B2 |
A process for producing a molded article by introducing a reactive liquid mixture which comprises a cycloalkene containing dicylopentadiene, a norbornene-type monomer containing at least one N-substituted 5-membered cyclic amide group an...
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JPH0713084B2 |
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JPH075687B2 |
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JPH072811B2 |
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JPH072810B2 |
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JPH07643B2 |
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JPH072953A |
PURPOSE: To easily obtain a flexible cycloolefin copolymer film. CONSTITUTION: A flexible cycloolefin copolymer film is a single-layered or multilayered non-stretched or uniaxially or biaxially stretched film wherein at least one layer c...
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JPH06336508A |
PURPOSE: To provide a process for producing a cycloolefin copolymer for extruded and injection molded articles. CONSTITUTION: This material of a cycloolefin copolymer has a structure of alternating cycloolefin sequences, and has crystall...
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JPH0692465B2 |
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JPH06298956A |
PURPOSE: To provide a semicrystalline cycloolefin copolymer film which contains a specific cycloolefin copolymer, has a specified residual catalyst content, a high elongation E modulus, and excellent chemical resistance, dimensional stab...
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JPH06271626A |
PURPOSE: To produce a cycloolefin polymer which has a low viscosity and excellent mechanical properties and is injection moldable by polymerizing a polycyclic olefin in the presence of a catalyst comprising an aluminoxane and a specific ...
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JPH06271625A |
PURPOSE: To produce a cycloolefin polymer while greatly reducing the amt. of a catalyst consumed and the cost of a cocatalyst by polymerizing a cycloolefin monomer in a reaction space while separating the residence time of the monomer fr...
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JPH06263955A |
PURPOSE: To obtain the subject material having low water absorptivity and being excellent in thermoplastic processability, etc., by including reinforcing fibers and a cycloolefin copolymer having a specified structure. CONSTITUTION: The ...
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