Accession Number : ADD009080

Title :   Method of Deforming Thermoplastic Polymers Using Ammonia as a Reversible Plasticizer.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Porter,Roger S ; Zachariades,Anagnostis E

Report Date : 16 Jun 1981

Pagination or Media Count : 3

Abstract : Ammonia is utilized as a reversible plasticizer in the deformation of thermoplastic polyamides so as not to degrade the mechanical properties of the deformed material. It may be retained in the material under pressure and/or low temperature during extrusion or other deformation processes and is spontaneously released with time and at reduced pressure and/or elevated temperature at the end of the process, such as at the exit side of an extruder die. (Author)

Descriptors :   *Patents, *Polymers, *Thermoplastic resins, *Plasticizers, *Polyamide plastics, *Deformation, Mechanical properties, Reversible, Ammonia, Extrusion, Hydrogen bonds, Test methods

Subject Categories : Plastics
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE