The present invention provides a lamp cover comprising (1) a thermoplastic resin having a visible light transmissivity of 50% or higher measured in a form of a plate-like molded body having a thickness of 2 mm according to JIS R 3106, (2) a composite tungsten oxide, (3) at least one material selected from the group consisting of a metal soap, an antioxidant, and a first selective wavelength absorbing material having a maximum absorption wavelength within a range of 200 to 350 nm, whose content is 0.03% by mass or more based on a total content (100% by mass) of the components (1) to (4), and (4) a second selective wavelength absorbing material having a maximum absorption wavelength within a range of 450 to 550 nm.

The present invention provides a lamp cover comprising (1) a thermoplastic resin having a visible light transmissivity of 50% or higher measured in a form of a plate-like molded body having a thickness of 2 mm according to JIS R 3106, (2) a composite tungsten oxide, (3) at least one material selected from the group consisting of a metal soap, an antioxidant, and a first selective wavelength absorbing material having a maximum absorption wavelength within a range of 200 to 350 nm, whose content is 0.03% by mass or more based on a total content (100% by mass) of the components (1) to (4), and (4) a second selective wavelength absorbing material having a maximum absorption wavelength within a range of 450 to 550 nm.

To provide a curing accelerator for an oxidatively polymerizable unsaturated resin which can decrease the amount of cobalt metal soap used and has curing performance equal to or higher than excellent curing performance of the cobalt metal soap, and a printing ink and a coating material using the same. A curing accelerator for an oxidatively polymerizable unsaturated resin including a manganese or cobalt complex () containing quinolinol compound ions represented by Structural Formula (1) as a ligand, and a printing ink and a coating material including the curing accelerator. ##STR00001##
In the formula, R.sup.1 is any of a hydrogen atom, a hydrocarbon group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a hydroxyl group, an amino group, a nitro group, a nitroso group, a sulfo group, and a halogen atom, and n is an integer of 1 to 6.

An impact-modified polyamide composition comprising from 5 wt % to 85 wt % of polyamide polymer; from 10 wt % to 60 wt % glass fiber; from 3 wt % to 30 wt % of an impact modifier; and a melt stabilizer at a concentration less than 5 wt %; wherein the weight ratio of the impact modifier to the melt stabilizer ranges from 1.0:1 to 100:1; and wherein the polyamide composition demonstrates an un-notched Charpy impact energy loss at 23 C. that is greater than 80 kJ/m.sup.2 and a tensile strength greater than 135 MPa.

The present invention provides a resin composition containing an alkenyl-substituted nadimide and a perinone-based colorant, wherein the content of the perinone-based colorant is 0.8 parts by mass or less based on 100 parts by mass in total of resin-constituting components in the resin composition.

The present invention provides a resin composition containing an alkenyl-substituted nadimide and a perinone-based colorant, wherein the content of the perinone-based colorant is 0.8 parts by mass or less based on 100 parts by mass in total of resin-constituting components in the resin composition.

The present invention provides a resin composition containing an alkenyl-substituted nadimide and a perinone-based colorant, wherein the content of the perinone-based colorant is 0.8 parts by mass or less based on 100 parts by mass in total of resin-constituting components in the resin composition.

Provided is a composition with which a film capable of detecting infrared light with high sensitivity for use in an infrared sensor or the like can be formed. In addition, provided are a film, an optical filter, a solid image pickup element, and an infrared sensor. This composition includes: a color material that transmits infrared light and blocks visible light; a near infrared absorbing colorant; and a curable compound. In the composition, a ratio A/B of a minimum value A of an absorbance of the composition in a wavelength range of 400 to 700 nm to a maximum value B of an absorbance of the composition in a wavelength range of 1,400 to 1,500 nm is 4.5 or higher, and in a case where a film having a thickness of 1 m is formed using the composition, the film has a maximum value of a refractive index in a wavelength range of 800 nm or longer.

Provided are a curing accelerator for an oxidative polymerization type unsaturated resin having a high curing accelerating ability, and a printing ink and a coating material. Specifically, there are provided a curing accelerator for an oxidative polymerization type unsaturated resin, containing a metal complex () having an anion compound () represented by the following structural formula (1-1) or (1-2) as a ligand:

##STR00001##

wherein R.sup.1 is any one of a hydroxyl group, an amino group, a nitro group, a nitroso group, a sulfo group, a halogen atom, a hydrocarbon group which may have a substituent, a hydrocarbon oxy group which may have a substituent, and a hydrocarbon oxycarbonyl group which may have a substituent, m is 0 or an integer of 1 to 3, n is 0 or an integer of 1 to 6, and X is any one of a carboxylate group, a hydrogen atom, and the R.sup.1 group.

Provided are a curing accelerator for an oxidative polymerization type unsaturated resin having a high curing accelerating ability, and a printing ink and a coating material. Specifically, there are provided a curing accelerator for an oxidative polymerization type unsaturated resin, containing a metal complex () having an anion compound () represented by the following structural formula (1-1) or (1-2) as a ligand:

##STR00001##

wherein R.sup.1 is any one of a hydroxyl group, an amino group, a nitro group, a nitroso group, a sulfo group, a halogen atom, a hydrocarbon group which may have a substituent, a hydrocarbon oxy group which may have a substituent, and a hydrocarbon oxycarbonyl group which may have a substituent, m is 0 or an integer of 1 to 3, n is 0 or an integer of 1 to 6, and X is any one of a carboxylate group, a hydrogen atom, and the R.sup.1 group.