A polyalkylene ether glycol composition containing a nitrogen-containing compound, wherein the nitrogen-containing compound constitutes 0.2 to 40 mass ppm of the polyalkylene ether glycol in terms of nitrogen atoms. A method for producing the polyalkylene ether glycol composition through a purification step of decreasing the amount of acetal in the polyalkylene ether glycol composition.

A polyalkylene ether glycol composition containing a nitrogen-containing compound, wherein the nitrogen-containing compound constitutes 0.2 to 40 mass ppm of the polyalkylene ether glycol in terms of nitrogen atoms. A method for producing the polyalkylene ether glycol composition through a purification step of decreasing the amount of acetal in the polyalkylene ether glycol composition.

The present invention provides a sensor that exhibits a small effect on a detection target during detection, a high detection sensitivity, a wide dynamic range for detection, and a small change after repeated detection, as well as a composition suitable for use in the sensor.

The composition is a polyrotaxane composition containing two polyrotaxane cyclic molecules crosslinked with a crosslinking agent present between the molecules, wherein the polyrotaxane composition exhibits a hysteresis loss of 10% or less, an elongation at break of 200% or more, an initial Young's modulus of 5 MPa or less, and a relative dielectric constant of 8.0 or more. The sensor includes a film formed of the aforementioned polyrotaxane composition, and elastomer-made electrode layers disposed on both surfaces of the film.

The present invention relates to a polycarbonate resin composition and an optical molded product comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color uniformity which are required for a light guide plate, and also excellent in processability. Thus, it can be effectively used as a material of the light guide plate.

Provided is (1) a radically polymerizable polyether which imparts excellent mechanical properties including excellent transparency, a high degree of elongation at break and high bending strength to a copolymer produced by the radical polymerization of a radically polymerizable monomer, and a method for producing the radically polymerizable polyether; (2) a polymerizable composition comprising the radically polymerizable polyether and a radically polymerizable vinyl monomer, which enables the formation of a copolymer having excellent mechanical properties; and (3) a copolymer, a molded article and a film, each of which comprises the copolymer.

Provided is (1) a radically polymerizable polyether which imparts excellent mechanical properties including excellent transparency, a high degree of elongation at break and high bending strength to a copolymer produced by the radical polymerization of a radically polymerizable monomer, and a method for producing the radically polymerizable polyether; (2) a polymerizable composition comprising the radically polymerizable polyether and a radically polymerizable vinyl monomer, which enables the formation of a copolymer having excellent mechanical properties; and (3) a copolymer, a molded article and a film, each of which comprises the copolymer.

The present invention provides a high-molecular-weight polyether polyol ensuring that when used as a polyurethane raw material, a polyurethane having excellent flexibility and elastic recovery can be obtained; and a method for producing, with high productivity, a polyether polyol having a higher number average molecular weight and a narrower molecular weight distribution than those of the raw material polyether polyol, and the polyether polyol of the present invention has a number average molecular weight of 3,500 to 5,500 and a molecular weight distribution of 1.7 to 3.0.

Described herein are polymer compositions having a poly(ether sulfone) polymer and (i) a polysulfone polymer or (ii) a poly(phenyl sulfone) polymer. In some embodiments, the polymer compositions can optionally include one or more additives. It has been surprisingly found that the aforementioned polymer compositions have outstanding anti-stick properties with respect to proteins.

Described herein are polymer compositions having a poly(ether sulfone) polymer and (i) a polysulfone polymer or (ii) a poly(phenyl sulfone) polymer. In some embodiments, the polymer compositions can optionally include one or more additives. It has been surprisingly found that the aforementioned polymer compositions have outstanding anti-stick properties with respect to proteins.

The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a) a cationically self-polymerizable monomer; b) a polymerization initiator of the cationically self-polymerizable monomer which is initiated at a temperature T1; c) a curable monomer which is different from the cationically self-polymerizable monomer; and d) a curing initiator of the curable monomer which is initiated at a temperature T2 and which is different from the polymerization initiator of the cationically self-polymerizable monomer. According to another aspect, the present disclosure is directed to a partially cured precursor of a structural adhesive composition. According to still another aspect, the present disclosure relates to a method of bonding to parts. In yet another aspect, the disclosure relates to the use of a curable precursor or a partially cured precursor as described above, for industrial applications, in particular for body-in-white bonding applications for the automotive industry.