A photo-curable resin composition for three-dimensional molding which does not require a support material is provided and can be cured by light irradiation while being extruded from a nozzle through a simple FDM method to be stacked and molded in a short period of time. The photo-curable resin composition has a viscosity at 20° C. of 0.2 Pa.Math.s or more and a viscosity at 150° C. of 1000 Pa.Math.s or less.

A composition including at least one compound having a perfluoropolyether group and a curable site, wherein in a molecular weight distribution curve in gel permeation chromatography measurement, the following formula is satisfied: M2/M1≤3.5, wherein M1 is a molecular weight at a main peak, and M2 is a molecular weight at 25% intensity of an intensity of the main peak on a higher molecular weight side than M1. Also disclosed is a curable composition containing the composition and a method for producing the curable composition.

A composition including at least one compound having a perfluoropolyether group and a curable site, wherein in a molecular weight distribution curve in gel permeation chromatography measurement, the following formula is satisfied: M2/M1≤3.5, wherein M1 is a molecular weight at a main peak, and M2 is a molecular weight at 25% intensity of an intensity of the main peak on a higher molecular weight side than M1. Also disclosed is a curable composition containing the composition and a method for producing the curable composition.

A curable composition including a first compound having a group represented by general formula (x) and an epoxy group and having a molecular weight of 1000 or less. In the general formula (x), Rf.sub.1 and Rf.sub.2 each independently represent a fluorine-containing alkyl group.

—C(Rf.sub.1)(Rf.sub.2)—OH  (x)

Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises

##STR00001##

wherein R′ is —H or —CH.sub.3, wherein R is —NR.sup.1R.sup.2, wherein R.sup.1 and R.sup.2 are alkyl groups, wherein R.sup.1 and R.sup.2 are the same or different, wherein R.sup.1 and R.sup.2 together have from 5 to 16 carbons, wherein R.sup.1 and R.sup.2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.

The present application is directed to a nanocomposite organo gel having a continuous polymeric network structure, wherein polymer chains are held together by ionic interaction between polymer chain ends, interparticle chain entanglements, layered silicate surface modifier, ionic salt, and layered silicate. The present application is also directed to methods of making and using the nanocomposite organo gel.

The present application is directed to a nanocomposite organo gel having a continuous polymeric network structure, wherein polymer chains are held together by ionic interaction between polymer chain ends, interparticle chain entanglements, layered silicate surface modifier, ionic salt, and layered silicate. The present application is also directed to methods of making and using the nanocomposite organo gel.

Provided are: a water-soluble composition which has excellent storage stability and is adaptable to a wide range of light sources and capable of forming a highly fine pattern; a method of producing a cured product of the same; a cured product of the same; and an acylphosphinate. The water-soluble composition contains: an acylphosphinate (A) represented by Formula (I) below, wherein X.sup.1 represents an aryl group having 6 to 15 carbon atoms; X.sup.2 represents a linear alkyl group having 1 to 8 carbon atoms or the like; A.sup.m+ represents an alkali metal ion or the like; and m represents a number of 1 to 3; and a compound (B) having a group represented by Formula (II) below, wherein R.sup.1 represents a hydrogen atom or the like; Z.sup.1 represents an oxygen atom or the like; R.sup.2 represents a hydrogen atom or the like; Z.sup.2 represents an alkylene group having 1 to 6 carbon atoms; n represents a number of 0 to 30; * means a bond; and, when the compound (B) has plural groups represented by Formula (II), plural R.sup.1′s, Z.sup.1′s, Z.sup.2′s and n's are each optionally the same or different. ##STR00001##

Here are described polymers comprising monomeric units from vinylimidazole derivatives and their use in electrode materials and/or electrolyte compositions, as well as their methods of preparation. Also described are electrode materials, electrodes, and electrochemical cells comprising the polymers and their use.

Provided is a resin material showing a high thermal conductivity and having high heat resistance while having a low dielectric constant and a low dielectric loss tangent. The material is a polyfunctional vinyl resin, which is represented by the following general formula (1):

##STR00001##

where R.sup.1s each independently represent a hydrocarbon group having 1 to 8 carbon atoms, R.sup.2s each independently represent a hydrogen atom or a dicyclopentenyl group, and at least one thereof represents a dicyclopentenyl group, Xs each independently represent a hydrogen atom or a vinyl group-containing aromatic group represented by the formula (1a), and at least one thereof represents a vinyl group-containing aromatic group, “n” represents a number of repetitions, and the average thereof is a number of from 1 to 5, and Ar represents an aromatic ring.