Title:
PAINT PROTECTION FILM
Document Type and Number:
WIPO Patent Application WO/2024/005550
Kind Code:
A1
Abstract:
The present invention relates to a paint protection film and, more specifically, to a paint protection film comprising: a substrate layer comprising a thermoplastic polyurethane; a top coating layer formed on one surface of the substrate layer; an adhesive layer formed on the other surface of the substrate layer; and a nanoparticle layer between the substrate layer and the adhesive layer, and has, in the top coating layer, a fluorine compound, with a glass transition temperature of preferably 10-50°C, formed from a combination of at least one olefin comprising fluorine and a curing agent, wherein the olefin comprises a fluoroethylene olefin and a vinyl ether olefin, and the nanoparticle layer comprises preferably 0.5-2 parts by weight of nanosilica on the basis of 100 parts by weight of the nanoparticle layer, and thus the paint protection film has excellent stain resistance, and has excellent durability such as that for elongation, such that painting curved surfaces of an automobile and the like is convenient.
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Inventors:
CHA HYUN SOO (KR)
BAE SU YOUN (KR)
KIM JIN HO (KR)
BAE SU YOUN (KR)
KIM JIN HO (KR)
Application Number:
PCT/KR2023/009065
Publication Date:
January 04, 2024
Filing Date:
June 28, 2023
Export Citation:
Assignee:
SANGBO CORP (KR)
International Classes:
C09J7/25; C08K3/36; C08L27/12; C09D5/16; C09D7/40; C09D7/61; C09D127/12; C09D129/10; C09J7/38; C09J7/50
Foreign References:
| JP2018053193A | 2018-04-05 | |||
| US20100196704A1 | 2010-08-05 | |||
| JP2013199522A | 2013-10-03 | |||
| JP2021534289A | 2021-12-09 | |||
| JP2018053194A | 2018-04-05 |
Attorney, Agent or Firm:
KIM, Hyun-Soo (KR)
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