Highly rigid polyamide composition

Details Highly rigid polyamide composition Highly rigid polyamide composition

1979-10-25

1981-09-22

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 37N, 528323, 528488, C08K 520

Patent

active

042909350

ABSTRACT:
A highly rigid poly-.epsilon.-caproamide composition containing about 50 to 5000 ppm of barium combined with the poly-.epsilon.-caproamide, and having a .gamma.-type crystal ratio of about 0.3 to 0.7 is disclosed. The polyamide has improved rigidity without loss of other advantageous mechanical properties of poly-.epsilon.-caprolactam. By addition of an aluminum compound, the rigidity of the composition can be further improved. A bisamide compound may be added to provide excellent mold release without harming the mechanical properties of the composition.

REFERENCES:
patent: 3017392 (1962-01-01), Butler et al.
patent: 3325455 (1967-06-01), Warner
patent: 3549651 (1970-12-01), Oswald et al.
patent: 3673161 (1972-06-01), Sebenda et al.

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