Title:
SELF-HEALING PAINT PROTECTION FILM
Document Type and Number:
WIPO Patent Application WO/2024/019363
Kind Code:
A1
Abstract:
The present invention relates to a self-healing paint protection film, and more specifically, to a self-healing paint protection film characterized by comprising: a substrate layer including a thermosetting polyurethane resin and a hardener; a top coating layer formed on one side of the substrate; an adhesive layer formed on the other side of the substrate layer; and a pattern layer formed between the substrate layer and the top coating layer, wherein a polyester-based resin having a weight-average molecular weight of 40,000 to 60,000 and a glass transition temperature of 20°C to 60°C is used as the thermosetting polyurethane resin, and therefore the paint protection film has excellent elasticity, is easy to apply, enhances paint visibility, and exhibits excellent self-healing properties through contraction and relaxation, thus being appropriate for use on curved surfaces of automobiles and the like.
Inventors:
CHA HYUN SOO (KR)
BAE SU YOUN (KR)
LEE JONG GYUONG (KR)
KIM TAE WON (KR)
BAE SU YOUN (KR)
LEE JONG GYUONG (KR)
KIM TAE WON (KR)
Application Number:
PCT/KR2023/009321
Publication Date:
January 25, 2024
Filing Date:
July 03, 2023
Export Citation:
Assignee:
SANGBO CORP (KR)
International Classes:
C09J7/25; B05D3/00; B05D3/12; C08J5/18; C08J7/04; C09J7/38
Foreign References:
| KR20200031350A | 2020-03-24 | |||
| KR20110128507A | 2011-11-30 | |||
| KR20210017435A | 2021-02-17 | |||
| JP2021534289A | 2021-12-09 | |||
| JP2019167489A | 2019-10-03 |
Attorney, Agent or Firm:
KIM, Hyun-Soo (KR)
Download PDF:
Previous Patent: CATADIOPTRIC LENS SYSTEM AND VIDEO SEE-THROUGH DEVICE EQUIPPED THEREWITH
Next Patent: HUMERAL STEM FOR FRACTURES
Next Patent: HUMERAL STEM FOR FRACTURES