METHOD FOR PRODUCING POLYTHIOL COMPOUND, METHOD FOR PRODUCING CURABLE COMPOSITION, AND METHOD FOR PRODUCING CURED ARTICLE

Title:

METHOD FOR PRODUCING POLYTHIOL COMPOUND, METHOD FOR PRODUCING CURABLE COMPOSITION, AND METHOD FOR PRODUCING CURED ARTICLE

Document Type and Number:

WIPO Patent Application WO/2018/026023

Kind Code:

A1

Abstract:

Provided are: a method for producing a polythiol compound, comprising reacting 2-mercaptoethanol with epihalohydrin, wherein the reaction is carried out in the presence of a halide selected from the group consisting of a 2,3-dihalogeno-1-propanol and an allyl halide and the amount of the halide to be used in the reaction is more than 0.50% by mass and less than or equal to 10.00% by mass relative to the total amount of the halide and epihalohydrin; a method for producing a curable composition, involving producing a polythiol compound by the preceding production method; and a method for producing a cured article, involving producing a curable composition by the preceding production method.

Inventors:

KAGEYAMA YUKIO (JP)
KOUSAKA MASAHISA (JP)
OHNISHI TOMOFUMI (JP)

Application Number:

PCT/JP2017/028589

Publication Date:

February 08, 2018

Filing Date:

August 07, 2017

Export Citation:

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Assignee:

HOYA LENS THAILAND LTD (TH)
KAGEYAMA YUKIO (JP)
KOUSAKA MASAHISA (JP)
OHNISHI TOMOFUMI (JP)

International Classes:

C07C319/20; C07C321/14; C08G18/38

Domestic Patent References:

WO2015137402A1

2015-09-17

Foreign References:

JP2015506947A	2015-03-05
JPH02270859A	1990-11-05

Other References: