The polymerization stability and the chemical stability and the water resistance of resin films are improved. A surfactant composition according to an embodiment contains a surfactant (A) represented by general formula (1) and an anionic surfactant (B) having a hydrophobic group different from that of the surfactant (A). In the formula, R.sup.1 represents one or two groups selected from groups below, D.sup.1 represents a polymerizable unsaturated group represented by chemical formula D.sup.1-1 or D.sup.1-2 below, R.sup.2 represents a hydrogen atom or a methyl group, m1 and m2 represent 1 to 2, A.sup.1 represents an alkylene group with 2 to 4 carbon atoms, and m3 represents 1 to 100. ##STR00001##

Disclosed is a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. Also disclosed is a thermoplastic resin composition including 100 parts by weight of a base resin consisting of a graft copolymer and a non-graft copolymer, 6 to 15 parts by weight of a polyether-amide block copolymer, 0.2 to 0.9 parts by weight of a metal stearate, and 0.001 to 0.006 parts by weight of an organic pigment; a method of preparing the thermoplastic resin composition; and a molded article including the thermoplastic resin composition.

Also disclosed is a thermoplastic resin composition having excellent transparency, colorability, color stability, chemical resistance, and antistatic properties, thus being suitable for use in the manufacture of medical products; a method of preparing the thermoplastic resin composition; and a molded article including the thermoplastic resin composition.

A heteroatom-containing alkoxy polyether based anionic-nonionic surfactant has the following molecular formula (I):

R.sub.1—O-(Poly).sub.n-X—Y.sup.a−.a/bM.sup.b+  (I).

In formula (I), R.sub.1 is any one of C.sub.1-C.sub.50 aliphatic group and aromatic group; each occurrence of group Poly, equal to or different from each other, is independently selected from the group represented by formula (Ru—O).sub.m; n is a number from greater than 0 to 300; for each type of group (Ru—O), m is independently a number from greater than 0 to 100; X is any one of alkylene, alkenylene and arylene containing 1-10 carbon atoms; Y is an anionic group; and M is a cation or a cationic group.

Provided is a matte-like cured coating film that is provided on a substrate such as a wiring boar, in which scratches are unnoticeable. The cured coating film is a cured coating film of a curable resin composition provided on the substrate. The cured coating film satisfies Gs (20°)≤5 and Gs (85°)≥35 and has a ratio R represented by the formula R={Gs (85°)/Gs (60°)}/{Gs (60°)/Gs (20°)} ranging from 0.35 to 4.0, where Gs (20°), Gs (60°), and Gs (85°) are 20° gloss, 60° gloss, and 85° gloss on a surface of the cured coating film measured according to JIS Z 8741-1997, respectively.

An aqueous ink jet composition contains: C.I. Disperse Red 364; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of the ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of the polyalkylene glycol; and an anionic dispersant. ##STR00001##

An aspect of the present application relates to a resin composition, which contains a polymer having a structural unit represented by Formula (1) in a molecule and a free radical compound and in which the free radical compound has at least one free radical group selected from the group consisting of structures represented by Formulas (2), (3), (4) and (5) in the molecule.

High temperature lubricants for magnetic media are provided. One such lubricant includes fluoroalkyl, fluoroalkenyl, perfluoroalkyl, or perfluoroalkyl ether segments, anchoring functional groups engageable with a protective overcoat of a magnetic recording media, and cyclic functional groups. The lubricants can be used in conjunction with a magnetic recording medium and/or a magnetic data storage system.

The present invention relates to polycondensates containing at least a structural unit, which is an aromatic moiety bearing a polyether side chain, at least a structural unit, which is an aromatic moiety bearing at least one phosphoric acid monoester group, at least a structural unit, which is an aromatic moiety, bearing at least one hydroxy group and at least a methylene unit (—CH.sub.2—), which is attached to two aromatic structural units. The invention also concerns a process for the production of the polycondensates, their use for the dispersion of inorganic binders, for increasing the strength development of concrete and for improving the slump-retention of concrete. The invention relates also to building material mixtures comprising the polycondensates and inorganic binders.

The invention relates to a composition that contains a binary mixture of bisphenol F and propoxylated bisphenol F. The aim of the invention is to provide aromatic polyols for preparing polyurethane-based and polyisocyanurate-based polymers, which ensure good handling from a technical point of view and good miscibility with the isocyanate component and render the end product flameproof. For this purpose, the invention devises a composition, which contains a binary mixture of ethoxylated bisphenol F and propoxylated bisphenol F in a weight ratio of 20:80 to 80:20.

Provided is a catalyst for synthesizing a polyethylene oxide polymer, comprising a crown ether as a first component, a quaternary phosphonium salt as a second component, and an alkali metal and/or an alkali metal compound as a third component. The catalyst can reduce the concentration of alkali metal ions in the product and is suitable for high-standard industrial fields. Also provided is a method for synthesizing a polyethylene oxide polymer, comprising carrying out a reaction of a compound containing active hydrogen and ethylene oxide in the presence of the catalyst. The method is simple to operate and environmentally friendly, improves the quality of the synthesized product, and is suitable for high-standard industrial production.