Thermoplastic film having improved outdoor weatherability

Details Thermoplastic film having improved outdoor weatherability Thermoplastic film having improved outdoor weatherability

C - Chemistry, Metallurgy

08

F

400/2039

C08F 265/06 (2006.01) C08F 285/00 (2006.01)

Patent

CA 1120634

U.S. SN 876,805 Filed Feb. 10, 1978 DN 75-85 THERMOPLASTIC FILM HAVING IMPROVED OUTDOOR WEATHERABILITY Abstract Improved thermoplastic polymeric compositions prepared in multiple-stage sequentially produced polymerization are provided. The compositions are characterized as polymer particles having an elastomeric crosslinked, core sheathed by three increasingly harder thermoplastic copolymer shells. The polymer particles are preferably isolated, dried and converted into film using heat and pressure. -i-

320474

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