US 12,479,939 B2
Release agent and method of producing resin product
Yoko Matsunaga, Kakogawa (JP); and Takumi Miyazaki, Kakogawa (JP)
Assigned to HARIMA CHEMICALS, INCORPORATED, Kakogawa (JP)
Appl. No. 17/793,667
Filed by Harima Chemicals, Incorporated, Kakogawa (JP)
PCT Filed Jan. 15, 2021, PCT No. PCT/JP2021/001156
§ 371(c)(1), (2) Date Jul. 19, 2022,
PCT Pub. No. WO2021/157318, PCT Pub. Date Aug. 12, 2021.
Claims priority of application No. 2020-018482 (JP), filed on Feb. 6, 2020.
Prior Publication US 2023/0054639 A1, Feb. 23, 2023
Int. Cl. C08F 220/06 (2006.01); C08F 220/68 (2006.01)
CPC C08F 220/06 (2013.01) [C08F 220/68 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A release agent comprising:
a polymer of a polymerizable component containing a (meth)acrylate having a long-chain alkyl group with carbon atoms of 12 to 22 and an acid group-containing ethylenic unsaturated bond-containing monomer, wherein the acid group is neutralized by ammonia and/or amines, and
wherein the polymer has a glass transition temperature of 25° C. or more.