C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
117/183, 400/550
C08L 79/04 (2006.01) C08G 63/64 (2006.01) C08G 63/685 (2006.01) C08G 73/06 (2006.01) C08L 69/00 (2006.01)
Patent
CA 1129577
INVENTORS: DUSAN C. PREVORSEK and DANIEL C. CHUNG TITLE: THERMOFORMABLE COMPOSITIONS OF A CROSS- LINKED CYANURATE POLYMER AND A THERMOPLASTIC FILM-FORMING POLYMER ABSTRACT A composition is described, useful as a thermo- formable polymer, for producing shaped articles having high yield and impact strengths, good heat resistance, and good solvent resistance. The composition, which is cured, con- tains a crosslinked polycyanurate network polymer in which a high molecular weight thermoplastic polymer, such as a polyestercarbonate, is finely dispersed. The composition possesses a Vicat softening temperature (ASTM 1525) of at least about 10°C above that of sais thermoplastic polymer alone, and an elongation-at-break value (ASTM D-638, at room temperature) at least twice that of said crosslinked polymer alone. Due to the high yield strength, lighter structural articles and components can be fabricated from the composition possessing high structural strength.
326173
Chung Daniel C.
Prevorsek Dusan C.
Allied Corporation
Gowling Lafleur Henderson Llp
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