	US 11,732,166 B2
	Fast set moisture curable hot melt adhesive composition and articles including the same
Kellen E. O'Brien, St. Paul, MN (US); Marlen A. Valverde, Stillwater, MN (US); Chao Wang, Woodbury, MN (US); and Chue Moua, Woodbury, MN (US)
Assigned to H.B. Fuller Company, St. Paul, MN (US)
Filed by H.B. Fuller Company, St. Paul, MN (US)
Filed on Aug. 26, 2020, as Appl. No. 17/3,549.
Claims priority of provisional application 62/891,808, filed on Aug. 26, 2019.
Prior Publication US 2021/0062055 A1, Mar. 4, 2021
Int. Cl. C09J 175/04 (2006.01); C08G 18/42 (2006.01); C08G 18/72 (2006.01); C09J 5/06 (2006.01); C08K 3/34 (2006.01); C08L 23/08 (2006.01)

CPC C09J 175/04 (2013.01) [C08G 18/4261 (2013.01); C08G 18/72 (2013.01); C09J 5/06 (2013.01); C08K 3/346 (2013.01); C08L 23/0853 (2013.01); C08L 23/0869 (2013.01); C09J 2301/304 (2020.08); C09J 2301/408 (2020.08); C09J 2423/106 (2013.01); C09J 2469/006 (2013.01)]

29 Claims

1. A moisture curable hot melt adhesive composition comprising:

isocyanate-terminated polyurethane prepolymer comprising a reaction product of crystalline polyester polyol exhibiting a crystallization peak temperature of at least 55° C., polyether polyol, and diisocyanate;

clay;

polyester/polyether thermoplastic elastomer;

a first thermoplastic polymer selected from the group consisting of ethylene vinyl acetate copolymer, ethylene (alkyl)acrylate copolymer, and combinations thereof;

a second thermoplastic polymer selected from the group consisting of thermoplastic polyurethane, thermoplastic polycaprolactone, and combinations thereof; and

a first tackifying agent.