| abstract |
PCT No. PCT/US91/08309 Sec. 371 Date Oct. 13, 1992 Sec. 102(e) Date Oct. 13, 1992 PCT Filed Nov. 14, 1991 PCT Pub. No. WO92/13917 PCT Pub. Date Aug. 20, 1992.A tough polymer alloy is provided and comprises: (i) from 30 to 83 weight percent of a brittle polymer; (ii) from 3 to 50 weight percent of a rubbery polymer; and (iii) from 15 to 67 weight percent of a ductile polymer provided that the ductile polymer and the rubbery polymer are at least compatible. |