Process for preparing value-added RPET containing polymer...

Details Process for preparing value-added RPET containing polymer... Process for preparing value-added RPET containing polymer...

2007-08-28

2007-08-28

Boykin, Terressa (Department: 1711)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S048000, C524S401000, C524S411000, C524S412000, C525S166000, C525S176000, C525S444000, C528S271000, C528S272000

Reexamination Certificate

active

10780494

ABSTRACT:
A process for preparing an RPET polymer blend component comprises providing a quantity of RPET flakes, comminuting the RPET flakes to prepare RPET particles having an average mean particle size from about 500 microns to about 5 microns, adding at least one specialty additive to the RPET particles, and mixing the RPET particles and specialty additive, to prepare a homogeneous blend of RPET carrier and specialty additive.

REFERENCES:
patent: 5075057 (1991-12-01), Hoedl
patent: 5565158 (1996-10-01), Sullivan et al.
patent: 6479003 (2002-11-01), Furgiuele et al.

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