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High flow, hydrogenated styrene-butadiene-styrene block copolymers and applications
专利权人:
Kraton Polymers U.S. LLC
发明人:
Wright Kathryn Janelle,Wiegand Troy E.
申请号:
US201514972188
公开号:
US9637660(B2)
申请日:
2015.12.17
申请国别(地区):
美国
年份:
2017
代理人:
Streeter Leslie`Serysheva Ekatherina
摘要:
The invention relates to unique applications for the novel high melt flow, low viscosity, selectively hydrogenated styrene-butadiene-styrene (hSBS) or selectively hydrogenated controlled distribution styrene-butadiene/styrene-styrene (hSBSS) block copolymers, wherein the melt flow rate of said block copolymer is at least 100 g/10 min at 230° C. under 2.16 kg mass according to ASTM D1238. These block copolymers are novel and have the highest melt flow rate of any styrenic block copolymer also possessing high strength and elasticity. It has applications that prior to the present invention were not normally possible due to the normal low melt flow rate of styrenic block copolymers. The present invention also encompasses various fields of use such as a fiberglass hSBS or hSBSS reinforced mat, low viscosity hSBS or hSBSS coatings for industrial uses, hot melt adhesives prepared from hSBS or hSBSS blended with polyalpha-olefins, and elastic film, fiber, and nonwoven constructions using hSBS or hSBSS.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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