Process for the solid state polycondensation of polyamide resins

Details Process for the solid state polycondensation of polyamide resins Process for the solid state polycondensation of polyamide resins

1997-10-10

1999-01-12

Hampton-Hightower, P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528310, 528322, 528332, 528335, 528336, 528480, C08G 6928

Patent

active

058591800

ABSTRACT:
Process for the solid state polycondensation of polyamide resins by the use in the polycondensation reactor of a quantity of an inert gas such that the ratio by weight between the solid capacity/h at the reactor outlet and that one of gas fed into the reactor is lower than 0.5.

REFERENCES:
patent: 3821171 (1974-06-01), Beaton
patent: 5576415 (1996-11-01), Tanaka
"Molecular Model For Solid-State Polymerization of Nylon 6. II. An Improved Model;" Journal of Applied Polymer Science, vol. 53, 85-103 (1994), M. Kul Karni and S. Gupta.
1) European Search Report EP 97 11 8140; Feb. 2, 1998.
2) Mukund R. et al, "Molecular Model for Solid State Polymerization of Nylon 6.II. An Improved Model," Journal of Applied Polymer Science, vol. 53, 1994, pp. 85-103. The month in the date of publication is not available.

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