The present disclosure relates to emulsions, methods of preparation thereof, and uses of said emulsions to fabricate porous polymeric microspheres as microcarriers for cell culture. In particular, the present disclosure relates to an emulsion with enhanced stability, characterized in that the emulsion comprises a) a water phase, the water phase is an aqueous solution comprising a salt; and b) an oil phase, the oil phase comprising a polymer; wherein the oil phase is immiscible with the water phase, and wherein the density differential of the water phase and oil phase is less than about 0.02 g/cm3. In a preferred embodiment, the polymer is polycaprolactone (PCL).

Provided is a colored resin composition excellent in storage stability. The colored resin composition according to the present invention is a colored resin composition comprising a colorant, a resin and a solvent, the colorant comprising a dye, the solvent comprising a first solvent which is propylene glycol monomethyl ether acetate, and a second solvent which is a ketone having 3 to 12 carbon atoms, and the ketone being a chain or branched saturated ketone comprising only an oxygen atom of a carbonyl group as a heteroatom.

An organogel composition and methods for preparing the organogel composition and preparing a surface with the organogel composition are disclosed. The organogel composition can include one or more organic solvents, one or more acrylates, and one or more functional additives. The method for preparing the organogel composition can include contacting the one or more organic solvents, the one or more acrylates, and the one or more functional additives with one another to prepare the organogel composition, and homogenizing the organogel composition to modify a shear viscosity of the organogel composition.

A latex composition for dip forming, and more particularly, to a latex composition for dip forming includes carboxylic acid-modified nitrile-based copolymer latex; and a phenolic emulsifier, wherein the phenolic emulsifier is included in an amount of 0.08 parts by weight to 6 parts by weight (based on a solid content) based on 100 parts by weight of the carboxylic acid-modified nitrile-based copolymer latex. A method for preparing the latex composition and a formed article produced using the latex composition are also provided.

A latex composition for dip forming, and more particularly, to a latex composition for dip forming includes carboxylic acid-modified nitrile-based copolymer latex; and a phenolic emulsifier, wherein the phenolic emulsifier is included in an amount of 0.08 parts by weight to 6 parts by weight (based on a solid content) based on 100 parts by weight of the carboxylic acid-modified nitrile-based copolymer latex. A method for preparing the latex composition and a formed article produced using the latex composition are also provided.

Emulsions for treating shingles, concrete, metallic substrates, mammalian skins, human hair or agricultural plants are described. The emulsions include soy alkyl and/or aryl ester; water; and a cationic surfactant to form the emulsion. Methods of using the emulsions are also described. Compositions including a modified oil alkyl and/or aryl ester comprising the transesterification reaction product of an oil and a surfactant having a hydroxyl group are described. Methods of using the compositions are also described. Methods of making a modified oil alkyl or aryl ester are described. The methods include transesterifying an oil with a surfactant having a hydroxyl group.

A method of preparing polyamide (PA) powders includes the steps of: heating a composition including PA granules, a nucleating agent and an organic solvent under normal pressure to T.sub.1 not lower than melting point (T.sub.m) of PA granules and maintaining at T.sub.1 to dissolve PA granules; cooling the heated composition to T.sub.2 to nucleate the dissolved PA granules and maintaining at T.sub.2 to crystallize, where 15 C.T.sub.mT.sub.233 C.; cooling the crystallization product to precipitate PA; and washing the precipitated product to remove the organic solvent. The weight ratio of PA granules to the nucleating agent is 100:1, and the weight ratio of PA granules to the organic solvent ranges from 0.11 to saturation solubility of PA granules in the organic solvent.

A solution contains at least one sulfone polymer and N-tert.-butyl-2-pyrrolidone. The solution can be used in a process of making a membrane, which is useful for water treatment.

A method for operating in a borehole penetrating a formation is disclosed. The method includes disposing in the borehole an assembly comprising a load-bearing and oil-disintegrable tool comprising a polymeric composite; performing a downhole operation; and disintegrating the load-bearing and oil-disintegrable tool with a hydrocarbon fluid. The polymeric composite comprises an oil-disintegrable polymer which is one or more of the following: a polydicyclopentadiene, polypropylene, polyurethane, polycarbonate, polysulfone, or a high density polyethylene, the polyurethane being a polyhedral oligomeric silsesquioxane-modified polyurethane, a lauryl methacrylate graft polyurethane copolymer, a divinylbenzene crosslinked polyurethane, or a combination comprising at least one of the foregoing.

The present invention provides an ionic liquid represented by the following chemical formula (I):
[(CH.sub.3).sub.3N(CH.sub.2).sub.2OH].sup.+[NH.sub.2-L-COO].sup.(I) where L is (CH.sub.2).sub.2 or (CH.sub.2).sub.3. The present invention also provides an ionic liquid composition containing an ionic liquid; and water. The ionic liquid is represented by the above chemical formula (I). A molar ratio of [(CH.sub.3).sub.3N(CH.sub.2).sub.2OH].sup.+ to [NH.sub.2-L-COO].sup. is not less than 0.86 and not more than 1.12. A weight ratio of the water to the ionic liquid composition is not more than 4.7%. The present invention provides an ionic liquid capable of dissolving cellulose without an cellulose-degrading enzyme (namely, an enzyme capable of hydrolyzing cellulose).