Mitsui Chemicals, Inc.

Koji Suesugi

Masayuki Furuya

Mamoru Tanaka

Naoyuki Kakinuma

Takeshi Nishimura

Shinsuke Ito

A polymerizable composition for an optical material according to the present invention includes one or two or more compounds selected from the group consisting of component (A): an ester compound having a specific structure and component (B): an ether compound having a specific structure, and a polymerizable compound.

Polymerizable composition for optical material and optical material and plastic lens obtainable from same composition

A polymerizable composition for an optical material includes an episulfide compound (A); an organic coloring matter (B); an UV absorber (C); and a polymerization catalyst (D), wherein the organic coloring matter (B) has a main absorption peak (P) between 565 nm and 605 nm in a visible light absorption spectrum, an absorption coefficient (ml/g&#xb7;cm) of a peak apex (Pmax) exhibiting a maximum absorption coefficient of (P) is equal to or greater than 0.5&#xd7;105, a peak width in an absorbance of &#xbc; of an absorbance of (Pmax) of (P) is equal to or less than 50 nm, a peak width in an absorbance of &#xbd; of the absorbance of (Pmax) of (P) is equal to or less than 30 nm, and a peak width in an absorbance of &#x2154; of the absorbance of (Pmax) of (P) is in a range of equal to or less than 20 nm.

Polymerizable composition for optical material, optical material, process for preparing polymerizable composition for optical material, and method of manufacturing optical material

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Arao, Japan

Koji Suesugi