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:
Feb. 19, 2013
Filed:
Feb. 15, 2010
Qiwei He, Belle Mead, NJ (US);
Yuhong HU, Belle Mead, NJ (US);
Alethea Pollock, Franklin Park, NJ (US);
Justin Mehaffy, Flemington, NJ (US);
Michael G. Harwell, Dusseldorf, DE;
Qiwei He, Belle Mead, NJ (US);
Yuhong Hu, Belle Mead, NJ (US);
Alethea Pollock, Franklin Park, NJ (US);
Justin Mehaffy, Flemington, NJ (US);
Michael G. Harwell, Dusseldorf, DE;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
Hot melt adhesive compositions containing hyper-branched SBS block copolymers and end use applications thereof. The hyper-branched SBS is characterized in having a ratio between light-scattering molecular weight (of non-di-block polymer) and GPC molecular weight (of non-di-block polymer) greater than 1.4 and having ratio between light scattering molecular weight molecular weight (of non-di-block polymer) and light scattering molecular weight molecular weight (of di-block polymer) greater than 5. The ratio between light scattering molecular weight MW (of non-di-block polymer) and light scattering molecular weight MW (of di-block polymer) also defines the number of arms for the hyper branched structure. The weight average molecular weight of each arm of the hyper-branched SBS block copolymer is less than about 100,000. These are multipurpose adhesives finding utility as packaging, labeling, construction and positioning adhesives, and are particularly well suited for use as elastic attachment adhesives in the manufacture of elastic-containing products, such as disposable absorbent elastic articles.