	US 11,952,504 B2
	Easily-peelable paint composition
Myunsoo Kim, Gwacheon-si (KR); and Hyunjong Shin, Siheung-si (KR)
Assigned to HAE KWANG CO., LTD., Jingwang-Ro (KR)
Appl. No. 17/625,943
Filed by HAE KWANG CO., LTD., Jingwang-ro (KR)
PCT Filed Jul. 6, 2021, PCT No. PCT/KR2021/008556 § 371(c)(1), (2) Date Jan. 10, 2022, PCT Pub. No. WO2022/025466, PCT Pub. Date Feb. 3, 2022.
Claims priority of application No. 10-2020-0093206 (KR), filed on Jul. 27, 2020; and application No. 10-2021-0081338 (KR), filed on Jun. 23, 2021.
Prior Publication US 2022/0363936 A1, Nov. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 129/14 (2006.01); C09D 7/40 (2018.01); C09D 7/43 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01)

CPC C09D 129/14 (2013.01) [C09D 7/43 (2018.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 7/69 (2018.01)]

6 Claims

1. An easily-peelable paint composition that is easy to peel off from an object, the easily-peelable paint composition comprising:

based on 100 parts by weight of the whole paint composition,

30 to 80 parts by weight of a polyvinyl butyral (PVB) resin;

1 to 5 parts by weight of an additive comprising an antifoaming agent;

5 to 30 parts by weight of a pigment; and

the balance of the composition comprising an aqueous solvent comprising water;

wherein the PVB resin has a molecular weight of 100,000 to 210,000 g/mole,

wherein the PVB resin has a particle size of 170 to 240 μm,

wherein the PVB resin is emulsified and dispersed in the aqueous solvent, and

wherein the object comprises paper and has a porous surface, the easily-peelable paint composition forms a dried film on the object comprising paper and is easily peelable from the object comprising paper to restore the object to its original condition.