| Document |
Document Title |
|
JP2795663B2 |
|
|
JPH10204126A |
To obtain a resin compsn. for color filter protection films which is excellent in heat resistance and aging stability and forms a coating film excellent in smoothing the difference in level of a color filter by compounding a bisallylnadi...
|
|
JP2762722B2 |
|
|
JPH10147615A |
To obtain a hydrogenated 1,2-polybutadiene having a proper melting point, excellent in thermal aging properties and useful for an industrial goods, etc., by hydrogenating a highly crystalline syndiotactic 1,2-polybutadiene resin. The obj...
|
|
JP2758657B2 |
|
|
JP2754629B2 |
|
|
JP2743744B2 |
PURPOSE: To obtain the subject composition having high-level rigidity and impact resistance and excellent clearness (contact-clearness). CONSTITUTION: The objective composition is prepared by grafting a vinyl aromatic monomer onto polybu...
|
|
JP2736993B2 |
|
|
JPH1077310A |
To obtain the subject catalyst system, capable of polymerizing into cis-1,4-polybutadiene rubber at an extremely rapid rate and properly controlling the molecular weight by utilizing a specific cobalt-based catalyst system. This catalyst...
|
|
JP2725473B2 |
|
|
JPH10501843A |
The invention provides a two-step process for converting cyclopentadiene dimer to a high density fuel mixture comprising the steps of: (a) reacting said cyclopentadiene dimer in the presence of a solid catalyst comprising a porous crysta...
|
|
JP2714564B2 |
A heptadiene polymer comprising the repeating units and having a number-average molecular weight of 2,000-500,000.
|
|
JP2714565B2 |
Polymers of 1,7-octadiene wherein polymerization occurs simultaneously by 1,8- and 1,2-addition.
|
|
JPH10500145A |
alpha , omega -Diene oligomers which are useful as synthetic lubricants are prepared by oligomerizing a alpha , omega -diene using a trialkylaluminum catalyst.
|
|
JP2557901Y2 |
|
|
JP2688696B2 |
Polymers of 1,4-pentadiene having an Mw/Mn of 1.05 to 1.4 are produced by polymerizing 1,4-pentadiene in the presence of catalyst comprising a vanadium chelate compound and an organoaluminum compound.
|
|
JP2682148B2 |
A rubber composition comprising 100 parts by weight of a rubber component which comprises at least 30% by weight of an emulsion polymerization rubber which is a conjugated diene polymer rubber or conjugated diene-styrene copolymer rubber...
|
|
JP2647433B2 |
|
|
JPH09202813A |
To obtain a new polybutadiene excellent as an impact resistance imparter for a polystyrene, etc., properly containing a 1,2-structure in high cis-structure, specifying the bond form of each structure. This polybutadiene has 4-30% 1,2 str...
|
|
JPH09507507A |
The anionic polymerization of isoprene with monolithium initiators and functionalized initiators having the structure R1R2R3Si-O-A'-Li wherein R1, R2, and R3 are preferably alkyl, alkoxy, aryl, or alkaryl groups having from 1 to 10 carbo...
|
|
JP2628993B2 |
High cis-1,4-polybutadiene is a synthetic rubber that is commonly utilized in manufacturing tires. It is usually made commercially by employing solution polymerization techniques. However, it has been unexpectedly found that 1,3-butadien...
|
|
JP2586561B2 |
|
|
JP2588645B2 |
PURPOSE: To obtain a terminally functionalized polymer which is suitable for the formation of the tread part of a tire having a decreased rolling resistance by reacting a living diene polymer or copolymer obtained by anionic polymerizati...
|
|
JP2577732B2 |
Short fibers of syndiotactic 1,2-polybutadiene are utilized in making tires that have improved resistance against heat build-up and improved wear characteristics. The preparation of syndiotactic 1,2-polybutadiene in fibrous form has trad...
|
|
JPH093129A |
PURPOSE: To obtain a polybutadiene rubber excellent in blend-ability with a natural rubber by polymerizing butadiene in the presence of a catalyst mainly consisting of an Ni compound, a specified fluorine compound, a trialkylaluminum, a ...
|
|
JPH08325331A |
PURPOSE: To produce a highly crystalline 1,2-polybutadiene or a mixture of a highly crystalline 1,2-polybutadiene and a cis-polybutadiene in high productivity. CONSTITUTION: 1,3-Butadiene is polymerized by using a catalyst composed of (A...
|
|
JPH08104718A |
To provide a polybutadiene having a high content of cis-1,4-structure and a reduced gel content by polymerizing 1,3-butadiene in the presence of a catalyst system which comprises three specific essential compds. and is soluble in a hydro...
|
|
JPH0832731B2 |
|
|
JPH0816130B2 |
A novel class of alloocimene polymers have been prepared which are comprised of a mixture of polymer chain units of 2,3-alloocimene and 6,7-alloocimene. The novel polyalloocimenes of this invention are prepared by polymerizing alloocimen...
|
|
JPH0834822A |
PURPOSE: To produce a reinforced polybutadiene excellent in mechanical properties and heat resistance comprising two phases of n-hexane solubles and insolubles by subjecting 1,3-butadiene to cis-1,4 polymerization in the presence of a sp...
|
|
JPH07304829A |
PURPOSE: To obtain a high-melting point cyclopolymer with small amounts of catalyst residue without the need for using any catalyst such as an organoaluminum compound in high yield, by catalytically polymerizing a specific hexadiene in t...
|
|
JPH07268012A |
PURPOSE: To enable the polymerization to be initiated at comparatively low temperatures and to be advantageously carried out by initiating the polymerization of an unsaturated monomer with the use of a specific lithium initiator to carry...
|
|
JPH07224117A |
PURPOSE: To efficiently obtain 1,2-polybutadiene excellent in moldability and useful for elastomers, etc., in a high yield by polymerizing butadiene in the presence of a specific catalyst in a solvent such as a hydrocarbon under specific...
|
|
JPH07188341A |
PURPOSE: To provide a process for producing a high-cis-1,4-polybutadiene with reduced gel formation by using a specified catalyst. CONSTITUTION: This process comprises the steps of: (A) polymerizing monomeric 1,3-butadiene at a temperatu...
|
|
JPH0747606B2 |
Process for the polymerisation of chloroprene in alkaline aqueous emulsion in the presence of modifying agents. According to the invention the polymerisation is conducted in the presence of at least two chain transfer agents chosen from ...
|
|
JPH0737491B2 |
|
|
JPH0735408B2 |
In the process of producing hydroxylated polybutadiene from a diene monomer in the presence of hydrogen peroxide and a solvent, wherein the solvent is recovered by distillation for reuse; after separation of the hydroxylated polybutadien...
|
|
JPH0735416B2 |
|
|
JPH0741511A |
PURPOSE: To efficiently obtain a poly(methylene-1,3-cyclopentene) or an analogue thereof by using a specific complex of a rare earth element to polymerize a 1,5-hexadiene compound. CONSTITUTION: A 1,5-hexadiene compound is polymerized us...
|
|
JPH0710899B2 |
A method for preparing high cis-1,4 polybutadiene by a continuous process which involves the continuous polymerization of 1,3-butadiene in solution under adiabatic conditions is provided. The method comprises the steps of: (I) feeding co...
|
|
JPH072808B2 |
Catalytic polymerisation of butadiene to cis-1,4-polybutadiene, conducted in the absence or substantial absence of solvents or diluents. According to said process, a catalytic mixture is prepared by bringing into contact, in a hydrocarbo...
|
|
JPH0699515B2 |
|
|
JPH0689046B2 |
A reactor for carrying out polymerizations in systems with high concentration of polymer is constituted by a cylindrical body (1) having vertical axis with upper and lower heads; in correspondence of a generatrix of the cylinder an openi...
|
|
JPH0647606B2 |
A process for producing sticky polymers at polymerization reaction temperatures in excess of the softening temperature of the sticky polymers in a fluidized bed reactor catalyzed by a transition metal catalyst, which comprises conducting...
|
|
JPH0633326B2 |
|
|
JPH0625355A |
PURPOSE: To obtain a polybutadiene rubber composition consisting of a specific polybutadiene rubber and a natural rubber, etc., excellent in elasticity, hardness, durability, fluidity and moldability and suitable as vibration-proof rubbe...
|
|
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...
|
|
JPH0583086B2 |
|
|
JPH05271324A |
PURPOSE:To obtain the subject polymer excellent in miscibility, tear strength and heat resistance, useful for automotive trim parts and sheathing materials by adding a specified amount of an alicyclic epoxy group-contg. compound to a spe...
|
|
JPH0568483B2 |
In the process for the preparation of polyhydroxybutadiens (hydroxy-containing butadiene homopolymers) by polymerisation of a diene in the presence of hydrogen peroxide catalyst and an alcohol solvent, an aqueous solution of alkali metal...
|
