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Title:
ISOCYANATE COMPOSITION AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/101404
Kind Code:
A1
Abstract:
The present invention relates to an isocyanate composition capable of improving transparency when applied to a product, through the suppression of discoloration and whitening, and to a preparation method therefor. The isocyanate composition comprises: an isocyanate-based mixture containing at least one compound selected from the group consisting of monomers, dimers, trimers, and oligomers with 4 to 200 repeating units, of isocyanate compounds; phenol; and paratoluenesulfonyl isocyanate.

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Inventors:
WOO EUN JI (KR)
PARK JUYOUNG (KR)
SIM YUJIN (KR)
PARK JONGSEONG (KR)
Application Number:
PCT/KR2022/019182
Publication Date:
June 08, 2023
Filing Date:
November 30, 2022
Export Citation:
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Assignee:
HANWHA SOLUTIONS CORP (KR)
International Classes:
C08G18/09; C07C311/65; C08L75/02; G02B1/04
Foreign References:
KR20050033045A2005-04-08
KR20210071356A2021-06-16
KR20210023483A2021-03-04
US20120245258A12012-09-27
KR940011150A1994-06-20
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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