The present invention relates to an ophthalmic lens which efficiently absorbs light rays without degradation of the light-absorbing additive, said ophthalmic lens comprising a composite matrix, a catalyst, a UV absorber and at least one light-absorbing additive contained in nanoparticles which are dispersed in said allyl monomer or allyl oligomer.

An optical resin material for chromatic aberration correction is provided including at least 5% by mass of a compound (component A) represented by formula (1) or formula (3), in which R.sub.1 to R.sub.6 each independently represent a structure represented by formula (2), in which the broken line represents a binding site; n1 represents an integer of 0 to 3; n2 represents an integer of 0 or 1; n3 represents an integer of 0 to 4; R.sub.7 represents hydrogen, an acryl group, a methacryl group, a cyanoacryl group, a cyclic ether group, an allyl group, a propargyl group, a hydroxy group, an isocyanate group, chlorine, or an optionally branched alkyl group having 1 to 8 carbon atoms; and X represents an alkylene glycol chain having 2 to 7 carbon atoms or a lactone-modified ketone chain, in which R.sub.1 to R.sub.6 each independently represent a structure represented by formula (2).

An optical resin material for chromatic aberration correction is provided including at least 5% by mass of a compound (component A) represented by formula (1) or formula (3), in which R.sub.1 to R.sub.6 each independently represent a structure represented by formula (2), in which the broken line represents a binding site; n1 represents an integer of 0 to 3; n2 represents an integer of 0 or 1; n3 represents an integer of 0 to 4; R.sub.7 represents hydrogen, an acryl group, a methacryl group, a cyanoacryl group, a cyclic ether group, an allyl group, a propargyl group, a hydroxy group, an isocyanate group, chlorine, or an optionally branched alkyl group having 1 to 8 carbon atoms; and X represents an alkylene glycol chain having 2 to 7 carbon atoms or a lactone-modified ketone chain, in which R.sub.1 to R.sub.6 each independently represent a structure represented by formula (2).

An optical resin material for chromatic aberration correction is provided including at least 5% by mass of a compound (component A) represented by formula (1) or formula (3), in which R.sub.1 to R.sub.6 each independently represent a structure represented by formula (2), in which the broken line represents a binding site; n1 represents an integer of 0 to 3; n2 represents an integer of 0 or 1; n3 represents an integer of 0 to 4; R.sub.7 represents hydrogen, an acryl group, a methacryl group, a cyanoacryl group, a cyclic ether group, an allyl group, a propargyl group, a hydroxy group, an isocyanate group, chlorine, or an optionally branched alkyl group having 1 to 8 carbon atoms; and X represents an alkylene glycol chain having 2 to 7 carbon atoms or a lactone-modified ketone chain, in which R.sub.1 to R.sub.6 each independently represent a structure represented by formula (2).

The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with hydrolysable silane groups, an acidic silanol condensation catalyst, wherein the acidic silanol condensation catalyst is present in an amount of 0.0001 to 3 wt. % of the polyolefin composition, at least one UV stabilizer selected from the group consisting of phenols, benzophenones and/or combinations thereof, wherein component (C) is present in an amount of 0.0001 to 0.35 wt. % of the polyolefin composition, and/or at least one UV stabilizer selected from triazines, wherein component (D) is present in an amount of 0.0001 to 2.0 wt. % of the polyolefin composition. The present invention also relates to an article comprising such a composition, and to the use of such a composition for the production of an article.

The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with hydrolysable silane groups, an acidic silanol condensation catalyst, wherein the acidic silanol condensation catalyst is present in an amount of 0.0001 to 3 wt. % of the polyolefin composition, at least one UV stabilizer selected from the group consisting of phenols, benzophenones and/or combinations thereof, wherein component (C) is present in an amount of 0.0001 to 0.35 wt. % of the polyolefin composition, and/or at least one UV stabilizer selected from triazines, wherein component (D) is present in an amount of 0.0001 to 2.0 wt. % of the polyolefin composition. The present invention also relates to an article comprising such a composition, and to the use of such a composition for the production of an article.

The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with hydrolysable silane groups, an acidic silanol condensation catalyst, wherein the acidic silanol condensation catalyst is present in an amount of 0.0001 to 3 wt. % of the polyolefin composition, at least one UV stabilizer selected from the group consisting of phenols, benzophenones and/or combinations thereof, wherein component (C) is present in an amount of 0.0001 to 0.35 wt. % of the polyolefin composition, and/or at least one UV stabilizer selected from triazines, wherein component (D) is present in an amount of 0.0001 to 2.0 wt. % of the polyolefin composition. The present invention also relates to an article comprising such a composition, and to the use of such a composition for the production of an article.

An oxymethylene copolymer resin composition, which includes (i) an oxymethylene copolymer, (ii) a derivative of an aryl boron fluoride compound, and (iii) a layered double hydroxide; and a method for producing the same.

An oxymethylene copolymer resin composition, which includes (i) an oxymethylene copolymer, (ii) a derivative of an aryl boron fluoride compound, and (iii) a layered double hydroxide; and a method for producing the same.

A thermoplastic polyurethane resin suitable for melt spinning is formed from a reaction mixture via a polymerization reaction. The reaction mixture includes an isocyanate component and a polyol component. The polyol component includes a first polyol that has a first number average molecular weight and a second polyol that has a second number average molecular weight. The first number average molecular weight is between 1,000 g/mol and 1,500 g/mol, and the second number average molecular weight is between 2,500 g/mol and 3,000 g/mol. One resin component formed by the first polyol via the polymerization reaction is defined as a low melting point segment and correspondingly has a first melting point between 170° C. and 185° C. Another resin component formed by the second polyol via the polymerization reaction is defined as a high melting point segment and correspondingly has a second melting point between 195° C. and 210° C.