Abstract: Provided is a liquid curing resin composition exhibiting excellent adhesion to PET-PET, MS-PET and the like, having excellent processability, heat resistance and water resistance, and having a high-cure rate. A liquid curing resin composition containing the following components (A) and (B): (A) 30 to 70 wt. % of a urethane (meth)acrylate having a number-average molecular weight of from 10000 to 40000, and (B) 30 to 60 wt. % of an ethylenically unsaturated monomer having a glass transition point, in the form of a homopolymer, of 60° C. or greater.

Abstract: According to the present invention, a high-speed charge transport material is provided which comprises a polymer of a liquid crystal material which is a triphenylene compound having at least one specific unsaturated group in a molecule. The high-speed charge transport material can achieve a high-speed charge transport of not lower than 1×10−4 cm2·V−1·S−1 within a wide temperature range.

Abstract: The present invention provides an adhesive composition for optical disks comprising

Abstract: According to the present invention, a high-speed charge transport material is provided which comprises a polymer of a liquid crystal material which is a triphenylene compound having at least one specific unsaturated group in a molecule. The high-speed charge transport material can achieve a high-speed charge transport of not lower than 1×10−4 cm2·V−1s−1 within a wide temperature range.

Abstract: A radiation curable resin composition capable of producing molded articles which have excellent transparency, small light-coloring resistance, high dimensional accuracy, high surface hardness, and high thermal resistance.

Abstract: An optical glass fiber coating composition comprising: (A) a urethane (meth)acrylate polymer, (B) a (meth)acrylate compound represented by the following formula (1), go wherein R1 is a hydrogen or a methyl group (C) a reaction diluent, and (D) a polymerization initiator. The composition has superior storage stability over a long period of time and, at a cured state, exhibits excellent UV resistance, heat resistance, yellowing resistance, and oil resistance.

Abstract: A radiation polymerizable liquid crystal composition capable of producing various types of cured products possessing optical anisotropy with varying physical characteristics suitable is disclosed. The composition comprises an intermolecular hydrogen-bonded product which has liquid crystal properties and is comprised of a compound (A) having one or more hydrogen donor groups and a compound (B) having one or more hydrogen acceptor groups, wherein at least one of the compounds (A) or (B) has a radiation polymerizable functional group. A cured product is useful as a coating material, piezoelectric element, nonlinear optical element, microlenses, photoconductive cells, actuators, polarizing plates, orientating films, optical deflection prisms, and various optical filters.

Abstract: A radiation curable composition comprising,(A) at least one compound containing a (meth)acrylate group represented by the following formula (1), ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is an alkylene group or a hydroxyalkylene group having 2 to 6 carbon atoms, R.sup.3 is a divalent organic group, n is a number of 1 to 10, m is an integer of 0 or 1, and Ar.sup.1 and Ar.sup.2 are independently a group comprising an aromatic ring(B) at least one compound derived from trishydroxyethyl isocyanurate, and containing at least one (meth)acrylate group, and(C) at least one radiation polymerization initiator.The radiation curable resin composition affords a high productivity, exhibits high transparency, and produces molded articles exhibiting minimal coloration upon exposure to light, superior dimensional precision, high heat resistance, only slight adhesion to substrates under high temperature conditions. The composition is very useful for manufacturing molding articles.

Abstract: A liquid crystal gel containing liquid crystal molecules and a gelling agent. The liquid crystal gel exhibits substantially no fluidity. Also provided are a gelling agent, particularly, 1,2-bis-(11-(4-cyanobiphenyl-4'-oxo)undecylcarbonylamino)cyclohexane, which is capable of easily producing the liquid crystal gel; a liquid crystal device made from the liquid crystal gel with substantially no fluidity; and a process for fabricating a liquid crystal device capable of providing this liquid crystal device rapidly in a simple manner.