Process for the preparation of polyester-masterbatch containing

Details Process for the preparation of polyester-masterbatch containing Process for the preparation of polyester-masterbatch containing

1993-05-06

1994-05-03

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523351, 524604, 5283082, 26421123, 26421124, 521 485, C08G 6316, C08G 6318, C08G 6388, B29C 4760

Patent

active

053088921

ABSTRACT:
Process for the manufacture of a polyester masterbatch containing finely divided solid additives in homogenous and agglomerate-free distribution, through the mixing, within a homogenizing extruder, of the powdery additive into the polyester, whereby, separately from the addition of the additive, small quantities of a diol are additionally fed into the extruder.

REFERENCES:
patent: 3703488 (1972-11-01), Morton
patent: 4778835 (1988-10-01), Sittel et al.
patent: 5094797 (1992-03-01), Heel et al.

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