Method of reclaiming plastic product with paint film

Details Method of reclaiming plastic product with paint film Method of reclaiming plastic product with paint film

1993-07-08

1995-08-22

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

To degas or prevent gas entrapment

241 17, 241 23, 26421121, 264349, 264DIG69, 425DIG46, 425203, B29B 1702, B29C 4776, B29K10526

Patent

active

054437725

ABSTRACT:
A method of reclaiming a plastic product having a paint film, including the steps of: obtaining crushed particles by crushing a plastic product having a paint film into particles of a predetermined size; supplying the crushed particles to a screw-type extruder; kneading and fusing the crushed particles while supplying water thereto; and obtaining a plastic by discharging a gas produced by decomposing the paint film and vaporized water.

REFERENCES:
patent: 4051212 (1977-09-01), Grigat et al.
patent: 4098649 (1978-07-01), Redker
patent: 4496707 (1985-01-01), Liggett
patent: 5215625 (1993-06-01), Burton
B. Rapp, "Wiederverwertung von lackierten PP-EPDM-Stosfangern," Plastverarbeiter, vol. 42, No. 7, Jul. 1991, Speyer/Rhein, DE, pp. 48-52.
H. Bruckner et al., "PUR-RRM ist recyclingfahig," Kunststoffe, vol. 81, No. 9, Sep. 1991, Munchen, DE, pp. 751-759.
G. Menges et al., "Verschmutzte Kunststoffabfalle werden zu wachsartigen Substanzen," Kunststoffe, vol. 82, No. 2, Feb. 1992, Muchen, DE, pp. 106-109.

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