A phosphorescent polycarbonate resin composition comprising, with respect to 100 parts by mass of a polycarbonate resin (A): 0.8 to 20 parts by mass of a red light-emitting phosphorescent material (B1) as a phosphorescent material (B), wherein an L* value measured in accordance with a following method (X) is 65 or more,

the method (X) including: under conditions of a cylinder temperature of 300° C., a mold temperature of 120° C., and a molding cycle of 45 seconds, measuring, with a color-difference meter, the L* of a 3 mm-thick portion of a specimen (in a form of a three-stage plate having a width of 50 mm, a length of 90 mm, and thicknesses of 1 mm, 2 mm, and 3 mm) obtained by injection molding of the phosphorescent polycarbonate resin composition, under following conditions based on JIS 28722:

Reflection measurement: D65 light source, 10-degree field of view

Measurement port: 30 ϕ

Specimen material holder: White

A phosphorescent polycarbonate resin composition comprising, with respect to 100 parts by mass of a polycarbonate resin (A): 0.8 to 20 parts by mass of a red light-emitting phosphorescent material (B1) as a phosphorescent material (B), wherein an L* value measured in accordance with a following method (X) is 65 or more,

the method (X) including: under conditions of a cylinder temperature of 300° C., a mold temperature of 120° C., and a molding cycle of 45 seconds, measuring, with a color-difference meter, the L* of a 3 mm-thick portion of a specimen (in a form of a three-stage plate having a width of 50 mm, a length of 90 mm, and thicknesses of 1 mm, 2 mm, and 3 mm) obtained by injection molding of the phosphorescent polycarbonate resin composition, under following conditions based on JIS 28722:

Reflection measurement: D65 light source, 10-degree field of view

Measurement port: 30 ϕ

Specimen material holder: White

A polymerizable composition for optical components according to one embodiment of the present disclosure includes a polyiso(thio)cyanate compound (A) having one or more aromatic rings in one molecule, a polythiol compound (B) having three or more mercapto groups in one molecule, and an acidic phosphate ester compound (C), wherein the content of the acidic phosphate ester compound (C) is 0.1 to 3.0 parts by mass with respect to a total amount of 100 parts by mass of the polyiso(thio)cyanate compound (A) and the polythiol compound (B), and wherein the content of a polymerization catalyst is 0.006 parts by mass or less with respect to a total amount of 100 parts by mass of the polyiso(thio)cyanate compound (A) and the polythiol compound (B).

A polymerizable composition for optical components according to one embodiment of the present disclosure includes a polyiso(thio)cyanate compound (A) having one or more aromatic rings in one molecule, a polythiol compound (B) having three or more mercapto groups in one molecule, and an acidic phosphate ester compound (C), wherein the content of the acidic phosphate ester compound (C) is 0.1 to 3.0 parts by mass with respect to a total amount of 100 parts by mass of the polyiso(thio)cyanate compound (A) and the polythiol compound (B), and wherein the content of a polymerization catalyst is 0.006 parts by mass or less with respect to a total amount of 100 parts by mass of the polyiso(thio)cyanate compound (A) and the polythiol compound (B).

The invention relates a polymer composition comprising polyethylene and a stabiliser package comprising: a) a phenolic stabiliser or mixtures thereof, b) an organic phosphite and/or phosphonite or mixtures thereof, c) zinc sulphide, and d) an acid scavenger. The polymer composition can be applied in the production of articles which are used in applications where a high temperature resistance is needed.

The invention relates a polymer composition comprising polyethylene and a stabiliser package comprising: a) a phenolic stabiliser or mixtures thereof, b) an organic phosphite and/or phosphonite or mixtures thereof, c) zinc sulphide, and d) an acid scavenger. The polymer composition can be applied in the production of articles which are used in applications where a high temperature resistance is needed.

An extruded thermoplastic composition includes: (a) from about 20 wt % to about 75 wt % of a ceramic fiber component; (b) from about 15 wt % to about 70 wt % of a polybutylene terephthalate (PBT) component including a high molecular weight PBT and a low molecular weight PBT; (c) from about 5 wt % to about 23 wt % of a polycarbonate component; and (d) from about 1 wt % to about 10 wt % of a compatibilizer component. Methods of making the extruded thermoplastic composition are also described.

An extruded thermoplastic composition includes: (a) from about 20 wt % to about 75 wt % of a ceramic fiber component; (b) from about 15 wt % to about 70 wt % of a polybutylene terephthalate (PBT) component including a high molecular weight PBT and a low molecular weight PBT; (c) from about 5 wt % to about 23 wt % of a polycarbonate component; and (d) from about 1 wt % to about 10 wt % of a compatibilizer component. Methods of making the extruded thermoplastic composition are also described.

A polymerizable composition for an optical component, containing a polyiso(thio)cyanate compound and a polythiol compound, wherein the polythiol compound contains a trifunctional aliphatic polythiol compound and a tetrafunctional aliphatic polythiol compound.

A polymerizable composition for an optical component, containing a polyiso(thio)cyanate compound and a polythiol compound, wherein the polythiol compound contains a trifunctional aliphatic polythiol compound and a tetrafunctional aliphatic polythiol compound.