The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 2025
Filed:
Oct. 31, 2019
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
ChenYan Bai, Shanghai, CN;
Yin Xue, Shanghai, CN;
Jianliang Zhu, Shanghai, CN;
Lei Ying, Shanghai, CN;
Xinhong Wang, Shanghai, CN;
Arkema France, Puteaux, FR;
Abstract
An adhesive composition is provided. The adhesive composition for zipper bag application, comprising the following components: (a) a mixture of a polyurethane dispersion with acrylic emulsion, wherein the polyurethane dispersion comprises a reaction product of by dry weight based on total dry weight of the polyurethane dispersion, from 30% to 50% of a monomeric diisocyanate, from 45% to 69% of a polymeric polyol and from 1% to 15% of ionic surfactant, the polyurethane dispersion has a Tg of −15° C. to 15° C., and the acrylic emulsion has a Tg of −10° C. to 25° C., and wherein the ratio by weight of the polyurethane dispersion and the acrylic emulsion is from 15:85 to 85:15, (b) a polyisocyanate.