Invention Grant
- Patent Title: Coating composition for forming scratch-resistant layer having high strength for automobile exterior and method for coating automobile exterior using the same
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Application No.: US16204025Application Date: 2018-11-29
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Publication No.: US10889733B2Publication Date: 2021-01-12
- Inventor: Jae Beom Ahn , Young Hoon Choi , Dae Geun Oh , Sung Do Kim , Si Hyun Jeong
- Applicant: NOROO BEE Chemical Co., Ltd.
- Applicant Address: KR Cheonan-Si
- Assignee: NOROO BEE Chemical Co., Ltd.
- Current Assignee: NOROO BEE Chemical Co., Ltd.
- Current Assignee Address: KR Cheonan-Si
- Agency: Daly Crowley Mofford & Durkee, LLP
- Priority: KR10-2017-0170743 20171212
- Main IPC: C09D133/14
- IPC: C09D133/14 ; C08G18/62 ; C09D133/10 ; C09D7/63 ; C09D5/00 ; C09D133/06 ; C08G18/40 ; C09D175/06 ; C08L33/08 ; C08L67/04 ; C08K5/29 ; C08G63/91
Abstract:
A coating composition may include 5 wt % to 20 wt % of a caprolactone-modified hyperbranched polyester polyol, the caprolactone-modified hyperbranched polyester polyol obtained from polyhydric alcohol including caprolactone triol, 30 wt % to 50 wt % of a first acrylic resin, the first acrylic resin having a hydroxyl group, 15 wt % to 25 wt % of a second acrylic resin, the second acrylic resin having a hydroxyl group and having a glass transition temperature higher than that of the first acrylic resin, and an extra solvent.
Public/Granted literature
Information query
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