US 12,168,740 B2
Clear hot melt adhesives
Jarkko T. Pitko, Wassenaar (NL)
Assigned to Avery Dennison Corporation, Mentor, OH (US)
Filed by Avery Dennison Corporation, Mentor, OH (US)
Filed on Mar. 16, 2022, as Appl. No. 17/655,023.
Application 17/655,023 is a division of application No. 15/481,004, filed on Apr. 6, 2017, granted, now 11,312,886.
Claims priority of provisional application 62/319,947, filed on Apr. 8, 2016.
Prior Publication US 2022/0204819 A1, Jun. 30, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09J 153/00 (2006.01); B32B 7/06 (2019.01); B32B 7/12 (2006.01); B32B 27/06 (2006.01); C08L 53/00 (2006.01); C08L 53/02 (2006.01); C09J 7/22 (2018.01); C09J 153/02 (2006.01); G09F 3/10 (2006.01); G09F 3/02 (2006.01)
CPC C09J 153/02 (2013.01) [B32B 7/06 (2013.01); B32B 7/12 (2013.01); B32B 27/06 (2013.01); C08L 53/00 (2013.01); C08L 53/025 (2013.01); C09J 7/22 (2018.01); C09J 153/00 (2013.01); C09J 153/025 (2013.01); G09F 3/10 (2013.01); B32B 2519/00 (2013.01); C09J 2453/00 (2013.01); G09F 2003/0241 (2013.01); G09F 2003/0273 (2013.01); Y10T 428/1476 (2015.01); Y10T 428/2883 (2015.01)] 37 Claims
 
1. A hot melt adhesive comprising:
a styrene butadiene block copolymer, the styrene butadiene block copolymer comprises a fully hydrogenated styrene butadiene block copolymer and a partially hydrogenated styrene butadiene block copolymer;
an olefin block copolymer, the olefin block copolymer comprises at least one crystalline ethylene block and another block comprising at least one C3-C20 alpha-olefin;
a water white hydrocarbon resin, and
a plasticizer that is not an oil plasticizer,
wherein the plasticizer content is within a range of about 15% to about 25% by weight.