Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1978-02-03
1979-02-06
Welsh, M. J.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
528273, C08L 6702
Patent
active
041383745
ABSTRACT:
An improved process is disclosed for manufacturing a shaped article of polyester material wherein scrap polyester is blended with fully polymerized virgin polyester at reduced pressure.
REFERENCES:
patent: 3057702 (1962-10-01), Caley et al.
patent: 3248180 (1966-04-01), Kilpatrick
patent: 3257335 (1966-06-01), Whitfield et al.
patent: 3652466 (1972-03-01), Hittel et al.
E. I. Du Pont de Nemours and Company
Welsh M. J.
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