	US 12,215,209 B2
	Solvent blends for olefin shrink film seaming, shrink labels formed with said solvent blends and methods of providing seams with said solvent blends
Anthony J. Denicola, Jr., Old Lyme, CT (US)
Assigned to TAGHLEEF INDUSTRIES INC., Newark, DE (US)
Appl. No. 17/264,538
Filed by TAGHLEEF INDUSTRIES INC., Newark, DE (US)
PCT Filed Jul. 31, 2019, PCT No. PCT/US2019/044356 § 371(c)(1), (2) Date Jan. 29, 2021, PCT Pub. No. WO2020/028500, PCT Pub. Date Feb. 6, 2020.
Claims priority of provisional application 62/713,227, filed on Aug. 1, 2018.
Prior Publication US 2021/0332204 A1, Oct. 28, 2021
Int. Cl. C08J 7/02 (2006.01); C09J 5/02 (2006.01); C09J 145/00 (2006.01); G09F 3/00 (2006.01); G09F 3/02 (2006.01)

CPC C08J 7/02 (2013.01) [C09J 5/02 (2013.01); C09J 145/00 (2013.01); G09F 3/0291 (2013.01); C08J 2345/00 (2013.01); G09F 2003/0257 (2013.01)]

11 Claims

1. A solvent blend useable for tackifying a surface of a multilayer oriented shrink film, said solvent blend comprising:

20-80 vol. % of at least one terpene selected from the group consisting of α-Pinene and d-Limonene;

10-70 vol. % of n-heptane;

10-40 vol. % of at least one compound selected from the group consisting of 1,3-dioxolane, 1,4-dioxane, tetrahydrofuran, methyl ethyl ketone, cyclohexanone and ethyl acetate,

wherein the solvent blend is free of any other terpene, alkane, ether, ketone or ester, and the solvent blend is free of:

30% α-Pinene/50% n-Heptane/20% 1,3-Dioxolane,

20% α-Pinene/60% n-Heptane/20% 1,3-Dioxolane,

30% α-Pinene/40% n-Heptane/30% 1,3-Dioxolane,

20% α-Pinene/50% n-Heptane/30% 1,3-Dioxolane,

30% d-Limonene/35% n-Heptane/35% 1,3-Dioxolane,

20% d-Limonene/40% n-Heptane/40% 1,3-Dioxolane, and

20% p-Cymene/40% n-Heptane/40% 1,3-Dioxolane.