Nippon Oil Fats Co., Ltd.

Kao Soap Company, Ltd.

Lion Corporation

Nippon Oil Company

Fats Co., Ltd.

Taizo Igarashi

Takaharu Ishizaki

Hirozumi Shimizu

Susumu Honda

Masaaki Yamamura

Toshiyuki Ukigai

Tohru Yasukohchi

Show Onodera

Shingo Yamazaki

Teruo Hori

Hisamichi Matsuda

Noboru Kiso

Hisao Higuchi

Yumiko Onodera

Hideki Nawa

Yasuo Urano

Keiji Hirao

Takahiko Sugihara

Toshio Koma

Yoshiharu Nakamura

Hideki Takahashi

A dispersion stabilizing agent for inorganic powder in an oily material, comprising a copolymer of (i) a polyoxyalkylene derivative represented by the general formula [I] below with (ii) one or more of maleic acid and the derivatives thereof selected from the group of maleic anhydride, maleic acid, maleic acid salts, maleic acid amides, and maleic acid esters, ##STR1## where Z is a residue of a compound having 2-8 hydroxyl groups, AO is an oxyalkylene group having 2-18 carbon atoms, R.sup.1 is an unsaturated hydrocarbon group having 2-5 carbon atoms, R.sup.2 is a hydrocarbon group having 1-40 carbon atoms, a=0 to 1000, b=0 to 1000, c=0 to 1000, l=1 to 8, m=0 to 2, n=0 to 7, (l+m+n)=2 to 8, (al+bm+cn)=1 to 1000, m/(l+n).ltoreq.1/2.

Dispersion-stabilizing agent for inorganic powder in oily material

A synthetic resin composition comprising 100 parts by weight of a synthetic resin, from 2 to 900 parts by weight of an inorganic filler, and from 0.02 to 20 parts by weight of a copolymer of a compound represented by formula (1) and maleic anhydride, maleic acid, a maleic acid salt or a maleic acid ester; ##STR1## wherein Z is a residue of a compound having from 2 to 8 hydroxyl groups; AO is an oxyalkylene group having from 2 to 18 carbon atoms; R.sup.1 is an unsaturated hydrocarbon group having from 2 to 5 carbon atoms; R.sup.2 is a hydrocarbon or acyl group having from 1 to 40 carbon; a is from 0 to 1,000, b is from 0 to 1,000, c is from 0 to 1,000, l is an integer of from 1 to 8, m is an integer of from 0 to 2, and n is an integer of from 0 to 7, l+m+n=2 to 8, al+bm+cn=1 to 1,000, and n/(l+n).ltoreq.1/3. In the synthetic resin composition the inorganic filler is uniformly dispersed in the synthetic resin with good efficiency at molding to give excellent molding characteristics and mechanical characteristics.

Synthetic resin compositions

The invention is a method for producing a composite membrane useful as a functional membrane which comprises mixing polyamide and polyester in a solvent to obtain a mixed solution and preparing the membrane while removing the solvent from the mixed solution under an electric field and the composite membrane obtained by the above method.

Method for producing a composite membrane and the composite membrane

A method is disclosed for improving low temperature cold flow of fuel oils by using a cross-linked ester compound consisting essentially of a nitrogen-containing compound having hydroxyl group, a straight chain fatty acid, and a cross-linking agent.

Method for improving cold flow of hydrocarbon fuel oils

A method for preparing a coal-water slurry is described, comprising the divided addition of dispersing agent or multi-step addition of dispersing agent during grinding in a process for preparing a coal-water slurry by the wet grinding of coal in water.

Method for preparing coal-water slurry

A stabilizer for mixed fuels containing a reaction product obtained by reacting (1) a polyol having at least 3 hydroxyl groups in the molecule and a molecular weight of 400-10,000 with (2) an epihalohydrin, as the principal component.

Stabilizer for mixed fuels

Dusts can be effectively prevented by spreading an aqueous solution containing both nonionic surface active agent and polyhydric alcohol on the substances which develop dusts.

Method of preventing dusts

A mixed fuel composition comprises (a) a fuel oil, (b) a coal powder having an [H]/[C] ratio according to the coalification band method in the range of 0.4-0.75 and an [O]/[C] ratio in the range of 0.09-0.18 and (c) a partially amidated copolymer obtained by reacting a copolymer of a polymerizable, unsaturated hydrocarbon and maleic anhydride with an aliphatic amine of 2-36 carbon-atoms or a salt thereof as a stabilizer.

Mixed fuel composition

Coal dispersing oil compositions containing 10-89.99% by weight of a petroleum oil, 10-89.99% by weight of coal powders and 0.01 to 5% by weight of a surface active agent are produced by mixing previously milled coal powders and a petroleum oil and then dehydrating, or by millng and dehydrating coal in the petroleum oil, and then adding a surface active agent thereto to obtain dispersion.

Method for producing coal dispersing oil compositions

Coal dispersing oil compositions containing 10-90% by weight of a petroleum oil, 10-90% by weight of coal powders and 0.01-5% by weight of at least one surface active agent selected from phosphoric esters, salts of phosphoric esters, organic sulfonic acids, salts of organic sulfonic acids, sulfuric esters and salts of sulfuric esters.

Growing community of inventors

Amagasaki, Japan

Taizo Igarashi