System for controlling the color of compounded polymer(s) using

Details System for controlling the color of compounded polymer(s) using System for controlling the color of compounded polymer(s) using

1997-05-19

1998-03-03

Merriam, Andrew E. C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

425135, 425145, 425169, 3661521, 364468, 364502, 137 93, G05D 2502, G05D 2500, B01F 1504

Patent

active

057235171

ABSTRACT:
A system for controlling the color of compounded polymer(s) comprises: a compounder for mixing the constituents of the compounded polymer(s) to produce a substantially homogeneous mixture; a sensor for measuring the color of the substantially homogeneous mixture at predetermined intervals; a colorant additive feeder, responsive to a controller, for providing the colorant additive(s) to the mixture at substantially predetermined colorant additive addition rates; and a controller, responsive to the sensor, for controlling the colorant additive addition rate(s) of the feeder.

REFERENCES:
patent: 4403866 (1983-09-01), Falcoff et al.
patent: 4684488 (1987-08-01), Rudolph
patent: 4812904 (1989-03-01), Maring et al.
patent: 4887217 (1989-12-01), Sherman et al.
patent: 5355309 (1994-10-01), Eberhard et al.
J. Grant et al., "On-Line Color Monitoring & Control (CMC)":--Concept Description--Section II--pp. 12-30, General Electric producted document, Jun., 1991.
J.E. Smith, "Color"--Image Processing for GE Pellets--Peport regarding General Electric funded work, Jan., 1991.
J.E. Smith et al., "Feasibility Study: Color Image Processing for Use in Colorimetric Qualtiy Control"--GE Plastics Research Project Final Report--pp. 1-31--Appendices A-E, 1992.
J.E. Smith et al., "Colormetric Quality Control with Computer Image Processing II", 1992.
J.E. Smith et al., "Feasibility Study: Color Image Processing Station for Use in Colorimetric Quality Control", 1990.

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