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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11859044 B1

PDFFull Text
Date of Patent:
Jan. 02, 2024

Filed:

Feb. 17, 2021

Polyisocyanate compound, polyurethane resin forming composition using same, and cured product of said composition

Applicant:

Daicel Corporation, Osaka, JP;

Inventors:

Takashi Konno, Tokyo, JP;

Jun Watanabe, Tokyo, JP;

Shintarou Hatanaka, Tokyo, JP;

Assignee:

DAICEL CORPORATION, Osaka, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Rabon A Sergent

Int. Cl.
CPC ...
C08G 18/79 (2006.01); C08G 18/62 (2006.01); C09D 175/12 (2006.01); C08J 7/04 (2020.01); C08G 18/75 (2006.01); C08J 7/046 (2020.01); C09D 175/06 (2006.01); C08G 18/46 (2006.01); C08G 18/73 (2006.01); C08G 18/10 (2006.01);
U.S. Cl.
CPC ...
C08G 18/79 (2013.01); C08G 18/10 (2013.01); C08G 18/4661 (2013.01); C08G 18/6229 (2013.01); C08G 18/73 (2013.01); C08G 18/755 (2013.01); C08J 7/046 (2020.01); C08J 7/0423 (2020.01); C09D 175/06 (2013.01); C09D 175/12 (2013.01); C08G 2150/00 (2013.01); C08J 2367/02 (2013.01); C08J 2475/06 (2013.01);
Abstract

Provided are a composition capable of forming a cured product with excellent hardness, scratch resistance, chemical resistance, and flexibility; and a polyisocyanate compound that can be used as a curing agent for the composition. The polyisocyanate compound is represented by Formula (1), wherein Rto Rare identical or different and are a group represented by Formula (1a), wherein Land Lare identical or different and represent an alkylene group having from 1 to 10 carbons, m represents a number of 0 or greater, Lrepresents a divalent hydrocarbon group having from 4 to 18 carbons, and X represents an isocyanate group or a blocked isocyanate group blocked with a blocking agent, where m is not simultaneously 0 for Rto R, and the bond with the wavy line bonds to a nitrogen atom in Formula (1). In addition, the composition contains a polyisocyanate compound and a polyacrylic polyol.

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