ポリチオウレタン系プラスチックレンズ

Title:

ポリチオウレタン系プラスチックレンズ

Document Type and Number:

Japanese Patent JP7394894

Kind Code:

B2

Abstract:

Embodiments relate to a polythiourethane-based plastic lens. When a polythiourethane-based plastic lens is polymerized according to the embodiment, the types, contents, and the like of the polythiol compounds and the isocyanate compounds are adjusted to control the storage moduli at room temperature and high temperatures, their variations, the energy attenuation (KEL) obtained therefrom, and the glass transition temperature, whereby the polythiourethane-based plastic lens thus obtained is enhanced in impact resistance and thermal resistance.

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Inventors:

Shin, Jung Hwan
Myeong, Jung Hwan
Sim, john min
Han, Hyukhi

Application Number:

JP2022014913A

Publication Date:

December 08, 2023

Filing Date:

February 02, 2022

Export Citation:

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Assignee:

SKC CO., LTD.

International Classes:

G02B1/04; C08G18/38; C08G18/50; C08G18/75; C08G18/76; C08G18/79

Domestic Patent References:

JP2014145083A

Foreign References:

WO2016031975A1
WO2013032010A1
WO2016125736A1

Attorney, Agent or Firm:

SK Patent Attorney Corporation
Akihiko Okuno
Hiroyuki Ito

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