| abstract |
The present invention relates to novel high melt flow low viscosity selective hydrogenation of styrene-butadiene-styrene (hSBS) or selective hydrogenation controlled distribution of styrene-butadiene/styrene-styrene (hSBSS) A unique use of block copolymers wherein the block copolymer has a melt flow rate of at least 100 g/10 min at 230 ° C and 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 which also has high strength and elasticity. It has applications that were generally not possible prior to the present invention due to the generally low melt flow rate of styrenic block copolymers. The invention also covers various fields of use, such as glass fiber hSBS or hSBSS reinforcing felt, low viscosity hSBS or hSBSS coating for industrial use, hot melt adhesive prepared by self-doping and poly-α-olefin hSBS or hSBSS, and Elastomeric films, fibers and nonwoven constructions using hSBS or hSBSS. |