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JP2857095B2 |
Diphosphonate-derivatized macromolecules, such as proteins, suitable for use as technetium-99m-based scanning agents and as anticalcification agents are disclosed. The scanning agents are prepared by combining Tc-99m in a +3, +4 and/or +...
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JP2853605B2 |
PURPOSE: To reduce the stagnation part of a liquid to be treated while enhancing quality by performing the operation of polymerization reaction by stirring blades formed by connecting the horizontal direction members provided to the lowe...
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JP2854298B2 |
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JPH1128350A |
To enhance reaction efficiency by providing a draft tube equipped with a window or a slot in a reactor and circulating a process fluid through the window or the slot by the rotation of the impeller in the tube. A reactor 10 suitable in u...
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JPH1129636A |
To obtain the subject molded product having a high mol.wt., a high melting point and high crystallinity and capable being cut to form a desired shape similarly as a metal by stepwisely reducing a lactam polymerization reaction rate in a ...
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JP2851498B2 |
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JP2848521B2 |
PURPOSE: To provide the subject apparatus capable of pyrolyzing a polymeric material in a closed space under a reduced pressure, vaporizing the polymeric material, cooling and solidifying the vaporized material in an unheated region of t...
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JP2846924B2 |
Novel oxymethylene graft polymers are obtained by grafting a functional compound (i.e., a polymer or compound having one or two hydroxyl, carboxyl, or amine functional groups) onto an oxymethylene backbone having pendant hydroxyl groups ...
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JP2588578Y2 |
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JPH10330444A |
To produce a polyacetal copolymer having high quality in high yield by smoothly transferring a slurry part and suppressing the elevation of the inside temperature of a reactor attributable to polymerization heat generation. This is a met...
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JPH10330498A |
To obtain melting characteristics suitable for producing a foamed molding product having uniform and fine foams, by supplying a polyethylene terephthalate-based resin, a specific polyfunctional carboxylic acid and a polymerization cataly...
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JPH10324750A |
To obtain a water-absorbing resin that has excellent gel strength and get surface improved in its stickiness by washing a get of the water- absorbing resin, which is swollen with water or the like, by using water and/or a water-miscible ...
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JP2831671B2 |
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JP2831686B2 |
PURPOSE:To obtain a thermosetting resin compsn. for three-dimensional shaping which is lowly viscous and excellent in the sensitivity to heat curing and has a small volume shrinkage during the curing by compounding a thermosetting, catio...
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JPH10310645A |
To provide a process and an apparatus for the continuous and easy production of a biodegradable plastic having stable quality by using a twin-screw extruder and effecting a proper polymerization reaction in the extruder. In the process f...
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JP2825566B2 |
Polymeric compounds comprise groups of the formula attached to carbon atoms of a polymer containing hydroxyl and optionally epoxide groups wherein X is The compounds are produced by reacting a starting polymer, which contains hydroxy gro...
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JPH10298274A |
To provide a production process whereby a high-quality polyester can be stably produced while preventing the deposition and accumulation of distillates in a gas exhaust line and to provide a polycondensation reactor used therefor. After ...
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JP2816158B2 |
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JP2812829B2 |
The present invention relates to a process for the isolation of polymers from their solvents by the addition of carbon dioxide-containing fluids at temperatures of from 30 DEG C to 280 DEG C and at pressures of from 1 bar to 1000 bar, wh...
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JPH10279690A |
To provide a method for efficiently removing a solvent from a solvent soln. of a silicone elastomer. A silicone elastomer soln. contg. at least 60 wt.% solvent is continuously supplied to a desolvating machine 1 equipped with a twin-scre...
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JP2809685B2 |
The sulphonation of aromatic polyether sulphones succeeds in a controllable manner by means of sulphur trioxide in concentrated sulphuric acid as solvent. If a sulphur trioxide content of less than 6 per cent by weight, based on the solv...
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JPH10265521A |
To produce the subject resin containing low molecular components of not more than a prescribed content by bringing a binder resin having a specific weight-average molecular weight into contact with a supercritical fluid in an extracting ...
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JPH10509749A |
PCT No. PCT/EP95/04138 Sec. 371 Date Mar. 20, 1997 Sec. 102(e) Date Mar. 20, 1997 PCT Filed Oct. 19, 1995 PCT Pub. No. WO96/12755 PCT Pub. Date May 2, 1996A dendrimer-based cold flow additive material.
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JPH10251411A |
To provide a process for preparing a polycondensation polymer which can prepare a high-mol.wt. chain compd. by removing an elimination component while minimizing the amt. of transfer toward the preparation of a cyclic compd. in equilibri...
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JPH10251410A |
To provide an apparatus and method for efficiently washing stains on the heat transfer surface of a heat exchanger provided in an apparatus for circulating and feeding a gas into a hot gas stream flow type continuous solid phase polymn. ...
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JP2795558B2 |
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JPH10237181A |
To provide a polymerizing method capable of reducing unnecessary operating time or power and increasing the production efficiency with stable quality, by preventing influence due to the viscosity of a lubricating oil for a speed change g...
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JP2790191B2 |
a) feeding the solution via inlet 1 to a zone of indirect heat exchange (21), in which the ratio of the surface used for the heat exchange to the flow of the solution is above 80 m<2>/m<3>/h; b) passing the solution through each of the c...
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JPH10218859A |
To obtain a new compound having three functional groups such as a tertiary amine in a molecule and useful as a polymerization catalyst for an anionic polycondensed compound. This derivative is a compound expressed by the formula [X is an...
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JPH10218998A |
To produce a polycondensation polymer having a high degree of polymn. at a low equipment cost. The vessel 1a of a polycondensation reactor 1 is equipped with an inlet port 2 for raw materials near at the one end and an outlet port 3 for ...
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JPH10218906A |
To provide a process for producing e.g. a condensation polymer by which the stagnation of the solution to be reacted can be reduced, the quality of the product can be improved, the circulation and flow in the reactor can be accelerated, ...
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JPH10218982A |
To provide a batch polymn. apparatus for polyester which can efficiently collect a distilled oilgomer accompanied by a noncondensable gas in polycondensation and can reduce the frequency of cleaning by overhauling. In a batch polymn. app...
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JPH10207006A |
To provide the heat treatment method for support capable of preventing the support from easily getting into curing habbit by heat treatment in a short time and enhancing the planeness of the support by heat-treating the support while pas...
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JPH10204291A |
To improve mechanical characteristics such as elongation of a heat- resistant resin film of a polyimide film, by exposing a photosensitive heat- resistant resin precursor composition to the light, developing and heat-treating the develop...
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JPH10204111A |
To obtain a thermally latent acid catalyst being lowly toxic and highly soluble in organic solvents and having a dissociation temperature suitable for a necessary reaction and excellent storage stability by combining a cyclic ether compo...
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JPH10182837A |
To obtain a good-quality water-dispersible polymer (e.g. a polyester, a polyamine or polyether) made highly water-dispersible under mild conditions by sulfonating a hydroxy, amino or like polymer precursor obtained by polycondensing an e...
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JPH10182838A |
To obtain a good-quality water-dispersible polymer (e.g. a polyester, polyamide or a polyether) made highly water-dispersible under mild conditions by sulfonating an ethylenically unsaturated monomer precursor freed from an aromatic ring...
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JP2771435B2 |
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JP2771434B2 |
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JP2772116B2 |
A curable composition, the cure of which can be monitored optically, comprises at least one of a hydride curable silicone, an ethylenically unsaturated compound, and a cationically polymerizable monomer, and as cure monitor dibenzofulven...
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JPH10176045A |
To obtain a colorless aromatic polycarbonate having a high quality at a high polymerization rate without causing a vigorous foaming phenomenon by subjecting the melt mixture of an aromatic dihydroxy compound with a diaryl carbonate to a ...
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JPH10174862A |
To unnecessitate an agitation device for mixing liquid and to suppress an equipment cost and an installation space. This device 1 is provided with a spiral like weir shaped flow path 2 on an inside wall surface of a container main body 1...
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JPH10168166A |
To provide a method for producing a polyester composition, being extremely stable in a process, enabling a long-term operation, capable of preventing admixture of scattered foreign matter and excellent in quality and uniformly dispersing...
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JPH10168172A |
To provide a process for reducing a black speck in a thermotropic liquid crystal polymer by which the generation of the black speck (a black fine splotch) in the polymer forming an anisotropic molten phase is decreased by using a specifi...
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JP2760792B2 |
A process for producing a thermoset resin, which comprises reacting (A) an organic compound containing at least two groups selected from the class consisting of alcoholic hydroxyl groups, aromatic amino groups and aromatic aminomethyl gr...
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JP2762071B2 |
A process is described for a method for controlling the temperature of a fluidized bed during the production of polymers in a fluidized bed reactor by an exothermic polymerization reaction, which comprises continuously introducing into t...
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JP2762072B2 |
A process is described for a method for controlling the temperature of a fluidized bed during the production of polymers in a fluidized bed reactor by an exothermic polymerization reaction, which comprises continuously introducing into t...
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JPH10139804A |
To obtain a macrocyclic polymer excellent in processability, stability, etc., in a commercially significant amount, by reacting an initiator containing a prescribed cyclic organometallic compound with a specific monomer and then terminat...
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JP2752355B2 |
Diphosphonate-derivatized macromolecules, such as proteins, suitable for use as technetium-99m-based scanning agents and as anticalcification agents are disclosed. The scanning agents are prepared by combining Tc-99m in a +3, +4 and/or +...
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JPH10120776A |
To enable to stably obtain the subject polymer excellent in color tone under the efficient removal of by-produced water by subjecting an aliphatic hydroxycarboxylic acid, etc., to a polycondensation reaction in an organic solvent, treati...
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