A redox curable composition, methods for manufacturing same and uses thereof are disclosed. The redox curable composition is useful as a pre-applied adhesive. The redox curable composition is solid at room temperature, may be heated for application to a substrate, and cools to form a dry-to-touch adhesive layer on said substrate, which may be activated when required by mating with another substrate and exposure to an anaerobic environment. The composition is particularly suited to manufacturing complex products, such as mobile phones, computers and circuits.

A redox curable composition, methods for manufacturing same and uses thereof are disclosed. The redox curable composition is useful as a pre-applied adhesive. The redox curable composition is solid at room temperature, may be heated for application to a substrate, and cools to form a dry-to-touch adhesive layer on said substrate, which may be activated when required by mating with another substrate and exposure to an anaerobic environment. The composition is particularly suited to manufacturing complex products, such as mobile phones, computers and circuits.

First embodiment of a (meth)acrylic copolymer in the present invention includes following: a (meth)acrylic copolymer having at least one kind of constitutional unit selected from the group consisting of a constitutional unit (A1) having at least one kind of structure (I) selected from the group consisting of structures represented by the following formula (1), formula (2), or formula (3) and a constitutional unit (A2) having a triorganosilyloxycarbonyl group and a constitutional unit (B) derived from a macromonomer (b): ##STR00001## (where, X represents —O—, —S—, or —NR.sup.14—, R.sup.14 represents a hydrogen atom or an alkyl group, R.sup.1 and R.sup.2 each represent a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms, R.sup.3 and R.sup.5 each represent an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group, or an aryl group, and R.sup.4 and R.sup.6 each represent an alkylene group having from 1 to 10 carbon atoms).

Provided is a method for manufacturing a conductive pattern forming member that is formed on a substrate and that has excellent resistance to ion migration between a conductive pattern and a photosensitive resin layer, while suppressing generation of residues in the dissolution and removal of unexposed portions. This method for manufacturing a conductive pattern forming member includes: a coating step of applying, onto surfaces of a layer A formed of a resin (a) having a carboxyl group, and a transparent electrode layer B, the layers A and B being formed over a substrate, a composition C containing conductive particles and a resin (c) having a double bond and a carboxyl group to obtain a coating film C; a drying step of drying the coating film C to obtain a dry film C; an exposure step of exposing the dry film C to light to obtain an exposed film C; a developing step of developing the exposed film C to obtain a pattern C; and a curing step of curing the pattern C to obtain a conductive pattern C, wherein particles having a particle diameter of 0.3 to 2.0 μm account for 80% or more of the conductive particles.

A radiation curable secondary coating composition for optical fiber is described and claimed. This radiation curable secondary coating composition includes component (A) which is a urethane (meth)acrylate and component (B) which is a (meth)acrylate compound with two or more ethylenically unsaturated groups and one or more bisphenol structures; wherein the content of component (B) in the composition is 60-300 mass parts per 100 mass parts of component (A). The liquid secondary coating has a viscosity at 25° C. of from about 0.1 Pa.Math.s to about 15 Pa.Math.s. Films obtained by curing the liquid radiation curable secondary coating composition of the present invention have a Young's modulus of from about 600 MPa to about 500 MPa and the breaking elongation of the cured film is from about to 5% to about 50%.

A radiation curable secondary coating composition for optical fiber is described and claimed. This radiation curable secondary coating composition includes component (A) which is a urethane (meth)acrylate and component (B) which is a (meth)acrylate compound with two or more ethylenically unsaturated groups and one or more bisphenol structures; wherein the content of component (B) in the composition is 60-300 mass parts per 100 mass parts of component (A). The liquid secondary coating has a viscosity at 25° C. of from about 0.1 Pa.Math.s to about 15 Pa.Math.s. Films obtained by curing the liquid radiation curable secondary coating composition of the present invention have a Young's modulus of from about 600 MPa to about 500 MPa and the breaking elongation of the cured film is from about to 5% to about 50%.

The invention provides novel flame-retardant polymers and materials, their synthesis and use. More particularly, the flame-retardant polymers are deoxybenzoin-derived polymers.

The invention relates to a polymerisable LC medium with flat optical dispersion, a polymer film with flat optical dispersion obtainable from such a medium, and the use of the polymerisable LC medium and polymer film in optical, electro optical, electronic, semiconducting or luminescent components or devices.

First embodiment of a (meth)acrylic copolymer in the present invention includes following: a (meth)acrylic copolymer having at least one kind of constitutional unit selected from the group consisting of a constitutional unit (A1) having at least one kind of structure (I) selected from the group consisting of structures represented by the following formula (1), formula (2), or formula (3) and a constitutional unit (A2) having a triorganosilyloxycarbonyl group and a constitutional unit (B) derived from a macromonomer (b):

##STR00001## (where, X represents —O—, —S—, or —NR.sup.14—, R.sup.14 represents a hydrogen atom or an alkyl group, R.sup.1 and R.sup.2 each represent a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms, R.sup.3 and R.sup.5 each represent an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group, or an aryl group, and R.sup.4 and R.sup.6 each represent an alkylene group having from 1 to 10 carbon atoms).

An object of the present invention is to provide a polymerizable composition with which a polymer having a high degree of hardness can be produced. Another object is to provide, for example, an optically anisotropic body, a phase retardation film, an optical compensation film, an antireflection film, a lens, and a lens sheet that are composed of the polymerizable composition and a liquid crystal display element, an organic light-emitting display element, a lighting element, an optical component, a coloring agent, a security marker, a laser emission member, a polarizing film, a coloring material, and a printed item that are produced using the polymerizable composition. The present invention provides a polymerizable composition including a polymerizable compound represented by General Formula (IA) which has a specific structure including a plurality of polymerizable groups.