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:
Dec. 08, 2015
Filed:
Oct. 24, 2013
Shanghai Tianyang Hot Melt Adhesive Co., Ltd., Shanghai, CN;
East China University of Science and Technology, Shanghai, CN;
Kunshan Tianyang Hot Melt Adhesive Co., Ltd., Kunshan, Jiangsu, CN;
Weilan Xue, Shanghai, CN;
Ping Zhao, Shanghai, CN;
Zhelong Li, Shanghai, CN;
Wanyu Zhu, Shanghai, CN;
Zuoxiang Zeng, Shanghai, CN;
Xu Gao, Shanghai, CN;
Juan Liu, Jiangsu, CN;
SHANGHAI TIANYANG HOT MELT ADHESIVE CO., LTD., Shanghai, CN;
EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY, Shanghai, CN;
KUNSHAN TIANYANG HOT MELT ADHESIVE CO., LTD., Kunshan, Jiangsu, CN;
Abstract
A method of preparing a polyester/polyolefin hot-melt adhesive for use in a solar cell bus bar is disclosed, in which 2,6-naphthalenedicarboxylic acid and ethylene glycol are first sequentially subjected in a predetermined ratio to esterification and polycondensation in the presence of a certain amount of a titanium-based catalyst to result in a polyethylene naphthalate (PNT) with a weight-average molecular weight of 16,000˜20,000. The PNT is then melt-blended with a low-density polyethylene (LDPE) in the presence of a compatibilizer to produce the hot-melt adhesive that can be shaped into films having a high light transmittance, good mechanical properties, high heat and yellowing resistance and thus particularly suitable for use in solar cell bus bars.