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JPH07119387B2 |
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JPH07310054A |
PURPOSE: To obtain a modified natural resin ester which gives an ink having a high gloss and low penetrating properties in printing and is useful as a binder for a half-tone gravure printing ink by using a phenol resin-modified natural r...
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JPH07108524B2 |
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JPH07103132B2 |
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JPH07286139A |
PURPOSE: To obtain a light-colored resin ester useful for a pressure-sensitive adhesive, a resin for ink, etc., having excellent color tone stability and heat resistance, by subjecting a rosin and acrylic acid to addition reaction to giv...
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JPH0780732B2 |
Shellac is dissolved in a solvent chosen from the group consisting of a C1-C4 alcohol, a halogenated solvent and a mixture of the said alcohol and of the said halogenated solvent, the solution is filtered and the filtrate is separated to...
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JPH07179823A |
PURPOSE: To obtain a self-gelling binder for offset-printing ink excellent in storage stability by using an oil-soluble, natural resin acid ester, modified with a phenolic resin. CONSTITUTION: (A) Natural resins or natural resin acids, (...
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JPH07150112A |
PURPOSE: To obtain a modified natural resin acid ester for a binder of printing inks for offset printing and half-tone gravure printing, which have light color and low odor. CONSTITUTION: This process for preparing a modified natural res...
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JPH0749564B2 |
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JPH0747712B2 |
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JPH0742440B2 |
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JPH0713037B2 |
Carboxylic esters are prepared from carboxylic acids and alcohols by using neutral phosphites containing oxetane groups as the esterification catalysts.
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JPH075505B2 |
@ A process for preparing hydrocarbon-soluble transition metal salts of organic carboxylic acids having improved properties wherein the transition metal is one capable of having a multiplicity of oxidation states is described. The proces...
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JPH072935B2 |
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JPH072737A |
PURPOSE: To obtain a new monoester of a rosin acid, which is usable as a replacement for resorcin in combination with hexamethylenetetramine and which improves the modulus and hardness property. CONSTITUTION: A monoester of rosin acid of...
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JPH06340890A |
PURPOSE: To obtain tall oil at a low cost under good environmental conditions by acidifying the tall oil soap with the use of hydrochloric acid instead of sulfuric acid in the conventional method. CONSTITUTION: In preparing tall oil from...
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JPH06322321A |
PURPOSE: To obtain the subject new resin made from starting materials such as a natural resin or phenol and in a specified manner, which has a high molecular weight, a high solution viscosity and good mineral oil compatibility, can be pr...
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JPH06322320A |
PURPOSE: To obtain the subject new high-molecular weight resin obtained from a natural resin, an alkylolizable phenol, an aldehyde, a polyhydric alcohol, a Ca compound and a Zn compound in a specified manner and having a high toluene sol...
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JPH0665375B2 |
PURPOSE:To impart excellent mechanical stability to a polymer obtd. by forming the reactive emulsifier expressed by specific general formula and various properties, such as emulsification stability, water resistance, adhesiveness, and gl...
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JPH06230170A |
PURPOSE: To provide a highly efficient fast breeder reactor in which the maintenance can be facilitated by leaving a part of sodium in the reactor core at the time of drainage thereof and allowing removal of decay heat through a heat-exc...
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JPH06207193A |
PURPOSE: To provide a method for extracting fats and oils from a natural substance by using liquid propane as a solvent. CONSTITUTION: The extraction is carried out at a pressure of 10 to 30 bar and a temperature of 10-55°C, and the sep...
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JPH06166850A |
PURPOSE: To provide the subject method for forming a harmless practical transparent homogeneous thin film or solid from a cocoon silk solution (a solution of fibroin and/or sericin), and to obtain the subject organ, and the subject eleme...
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JPH0640811B2 |
The invention relates to a process for extracting nonpolar constituents from hops with simultaneous separation of residues of nonpolar plant protectives. In a first step the plant protective as well as other ingredients that are soluble ...
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JPH0632103B2 |
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JPH0623334B2 |
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JPH0688058A |
PURPOSE: To obtain a modified rosin which does not leave behind a flux residue in soldering an electronic part. CONSTITUTION: Rosin for flux is modified by heating it to a temp. higher than the soldering temp. in a nonoxidizing atmospher...
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JPH064954B2 |
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JPH05271621A |
PURPOSE: To improve color tone, odor, and stability by subjecting a purified rosin to disproportionation and dehydrogenation in the presence of a catalyst and adding an organophosphorus compound to the resulting reaction system. CONSTITU...
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JPH05230422A |
PURPOSE: To obtain a self-gelling printing ink resin that exhibits good solubility in a mineral oil, the mineral oil solution of which self-gells reversively without an additional gel forming agent and forms no irreversible croslink. CON...
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JPH05505512A |
Improved rape plants, seeds capable of forming the same, and a novel improved vegetable oil derived from the rapeseeds are provided. Such plants have the ability to yield a vegetable oil of increased heat stability in combination with ot...
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JPH05140508A |
PURPOSE: To enhance the purification efficiency, simultaneously reduce the viscosity of purified Japanese lacquer, shorten the drying time and improve light and weather resistances and transparency, etc., in producing the purified Japane...
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JPH0536471B2 |
The catalytic combination of phosphinic acid (also called hypophosphorous acid) and a phenol sulfide compound is disclosed to accelerate the reaction rate of esterification of rosin with a polyhydric alcohol, as well as provide product c...
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JPH0524951B2 |
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JPH0586333A |
PURPOSE: To produce the title deriv. which has remarkably improved color tone, odor, stability, etc., and is suitable as a tackifier for a pressure-sensitive or hot-melt adhesive and as a modifier for rubbers and plastics. CONSTITUTION: ...
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JPH0520470B2 |
Phosphinic acid (also called hypophosphorous acid), when used in very small quantities, is disclosed to act as a catalyst to accelerate the reaction of rosin with an unsaturated dibasic acid to form a modified rosin for subsequent esteri...
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JPH0515751B2 |
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JPH0515750B2 |
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JPH0480959B2 |
Process for improving the color and the stability of the color of carboxylic acid (advantageously fatty acids and resin acids) or a mixture of the same by treating the carboxylic acid or its mixture with a hydride - yielding substance (e...
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JPH04331271A |
PURPOSE: To improve a gravure printing ink containing a rosin resinate. CONSTITUTION: The gravure printing ink comprises a vehicle having a binder dissolved in a hydrocarbon solvent and a pigment dispersed therein. The binder is a modifi...
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JPH04292678A |
PURPOSE: To obtain a rosin ester having improved viscosity stability by heating rosin and a polyol in the presence of a catalyst mixture comprising a specified phosphonate and a calcium compound to effect their esterification. CONSTITUTI...
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JPH0464632B2 |
Aqueous lacquers, which contain grafted polybutadiene/maleic acid semi-esters or semi-amides as bonding agent, can be siccativated while the siccative is firstly dispersed in the aqueous phase and the bonding agent is dispersed in this d...
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JPH0455467B2 |
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JPH0448798B2 |
Solutions of complexed mixed soaps of vanadium and at least one other metal in organic solvents are produced by the reaction of an inorganic vanadium compound, an oxidizable metal and an organic monocarboxylic acid in the presence of o...
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JPH04211483A |
PURPOSE: To improve the oxidation stability and color stability of rosin resins by heating the rosin resins in the presence of sodium hydroxymethane sulfonate. CONSTITUTION: 0.05-5.0% (pref. 0.25%) sodium hydroxymethane sulfonate(SHS) be...
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JPH04168177A |
PURPOSE: To obtain the subject soap, containing a prescribed amount of a polar solvent in a mixture of a metallic soap prepared by reacting an organic acid such as naphthenic acid with a Co salt in an equimolar amount or more with other ...
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JPH04503219A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH04159381A |
PURPOSE: To shorten the reaction time, facilitate the separation of the product from the catalyst and obtain a rosin ester without corroding the reactor by using a specific catalyst in the production of a rosin ester by reacting a rosin ...
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JPH0422191B2 |
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JPH0422192B2 |
Glycerol esters of modified rosin are useful tackifiers in rubber adhesive compositions. Esters made with rosin modified by reducing the abietic acid concentration to 5% or less, will retain tackifying properties for longer periods in st...
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JPH0419218B2 |
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