Andy Haishung Tsou - Allentown PA, John Henry Dunsmuir - Flemington NJ, Donald Andrew Winesett - Houston TX,
ExxonMobil Research and Engineering Company - Annandale NJ
C08L 53/02 C08J 5/06 C08L 23/26
525 63, 525 70, 525 98, 525190, 525192, 525240
Provided is a fiber-reinforced composite. The composite has a propylene polymer including 90 wt % or more of propylene monomeric units based on the weight of the propylene polymer; a plurality of fibers of a solid, flexible material grafted to the propylene polymer; and an elastomer. The fibers are present in the composite at 10 wt % to 80 wt % based on the total weight of the composite. The propylene polymer is present in the composite at from 30 wt % to 95 wt % based on the total weight of the composite. The elastomer is present in the composite at from 5 wt % to 50 wt % based on the total weight of the composite. Greater than 50 wt % of the fibers are dispersed within the propylene polymer based on the total weight of the fibers in the composite. There is also provided a process for making a fiber-reinforced composite.
Elastic Propylene-Alpha-Olefin Copolymer Compositions And Processes To Produce Them
Provided are elastic propylene-alpha olefin blocky copolymers. In one form, the elastic propylene-alpha olefin blocky copolymer includes an α-olefin content from 12 to 25 wt % and having a propylene crystallinity less than 30 J/g, a Tm −45° C., wherein said copolymer has blocky propylene segments with rrgreater than 1.5, and a process for producing such copolymer.