Granted Patent
B2
US 9,976,065 · App. 15/309,643 · Granted May 22, 2018
Polyurethane laminating adhesive composition
Inventors:
Jingjing Ma (Cottage Grove, MN); Mary M. Caruso Dailey (Maplewood, MN); Dmitri D. Iarikov (St. Paul, MN); Alexander J. Kugel (Woodbury, MN); Yongshang Lu (Woodbury, MN); Christopher B. Walker, Jr. (St. Paul, MN)
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
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Abstract
There is provided an adhesive composition comprising at least 50 wt % of an aqueous dispersion of an amorphous polyurethane having a Tg below 25° C.; and a water dispersible cross-linker, where the adhesive composition has a peel retention of greater than or equal to 5% according to the Water/IPA Exposure Test.
Claims (6)
1. An adhesive composition comprising:
at least 50 wt % of an aqueous dispersion of an amorphous polyurethane having a Tg below 25° C.;
a water dispersible cross-linker, and
an adhesion promoter which is acetoxyethyl trimethoxy silane.
2. The adhesive composition of claim 1 wherein the adhesive is a laminating adhesive.
3. The adhesive of claim 2 wherein the laminating adhesive is activated at ambient temperature.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Nov 8, 2016
From: MA, JINGJING; CARUSO DAILEY, MARY M.; IARIKOV, DMITRI D.; KUGEL, ALEXANDER J.; LU, YONGSHANG; WALKER, CHRISTOPHER B., JR.
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 040255/0712 →
Continuity (2)
Provisional Application
62008873
· Jun 6, 2014