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. 14, 2006
Filed:
Jul. 22, 2003
Nam Hoon Baik, Daejeon, KR;
Seung IL Kim, Daejeon, KR;
Dong Hyuk NA, Daejeon, KR;
Sun Woo Cheen, Daejeon, KR;
Byoung Tak Yim, Daejeon, KR;
Nam Hoon Baik, Daejeon, KR;
Seung Il Kim, Daejeon, KR;
Dong Hyuk Na, Daejeon, KR;
Sun Woo Cheen, Daejeon, KR;
Byoung Tak Yim, Daejeon, KR;
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Abstract
The present invention relates to the unbalanced multi-block styrene-butadiene-styrene (SBS) and provides the copolymer represented by the following structure, mB1*S1−lB2−S2−sB3, The unbalanced multi-block SBS of this invention exhibits excellent processability in the preparation of hot-melt adhesives, reducing processing hours. It also exhibits good adhesive properties such as initial loop tack, 180° peel strength, and holding power, and it has a normal level of heat resistance.