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US 12,384,933 B2Granted
Paint-protective coating material and coating composition
AssigneeNitto Denko Corporation
InventorsTakeshi Igarashi, Koki Hashimoto, Eiichi Imoto, Chihiro Yoshida
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Abstract
Provided is a paint-protective coating material formed from a liquid coating composition. The coating composition comprises, as its base polymer, a polymer (A) that is a polymerization product of monomers comprising an acrylic monomer. The paint-protective coating material has a storage modulus at 70° C. of 0.40 MPa or higher and 1.30 or lower, a storage modulus at 23° C. of 250 MPa or higher and 800 MPa or lower, and a storage modulus at −30° C. of 2300 MPa or less.
Claims10
A paint-protective coating material, wherein
- the paint-protective coating material is formed from a coating composition in liquid form,
- the coating composition comprises, as a base polymer, a polymer (A) that is a polymerization product of monomers comprising an acrylic monomer;
- and
- the paint-protective coating material has
- a storage modulus at 70° C. of 0.40 MPa or higher and 1.30 MPa or lower,
- a storage modulus at 23° C. of 250 MPa or higher and 800 MPa or lower, and
- a storage modulus at −30° C. of 2300 MPa or less.
4 more elements
Dependencies are inferred from the claim text.