	US 11,667,765 B2
	Foam composition and foam tape including foam layer including cured product thereof
Beom Doo Seo, Daejeon (KR); Heon Sik Song, Daejeon (KR); Hyo Soon Park, Daejeon (KR); Nam Jeong Lee, Daejeon (KR); Je Sik Jung, Daejeon (KR); and Hun Jeong, Daejeon (KR)
Assigned to LG Chem, Ltd.
Appl. No. 16/764,593
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Nov. 16, 2018, PCT No. PCT/KR2018/014050 § 371(c)(1), (2) Date May 15, 2020, PCT Pub. No. WO2019/098727, PCT Pub. Date May 23, 2019.
Claims priority of application No. 10-2017-0154106 (KR), filed on Nov. 17, 2017.
Prior Publication US 2020/0385542 A1, Dec. 10, 2020
Int. Cl. C08J 9/32 (2006.01); C09J 7/38 (2018.01); C09J 7/26 (2018.01); C08J 9/00 (2006.01); C09J 133/00 (2006.01)

CPC C08J 9/32 (2013.01) [C08J 9/0061 (2013.01); C09J 7/26 (2018.01); C09J 7/381 (2018.01); C09J 133/00 (2013.01); C08J 2203/22 (2013.01); C08J 2207/02 (2013.01); C08J 2323/06 (2013.01); C08J 2353/00 (2013.01); C08J 2451/06 (2013.01)]

13 Claims

1. A foam tape comprising a foam layer and an adhesive layer provided on at least one surface of the foam layer,

wherein the foam layer comprises a cured product of a foam composition comprising:

a first olefin resin having a density of 0.7 g/cm³or more and 0.9 g/cm³or less, a glass transition temperature of −30° C. or less, and a melting point of 50° C. or more and 125° C. or less; and

a hollow microsphere,

wherein the adhesive layer comprises a cured product of an adhesive composition comprising:

an acrylic copolymer; and

a second olefin resin comprising at least one of a non-modified polyolefin or a silane-modified polyolefin.