Plastic and nonmetallic article shaping or treating: processes – Recycling of reclaimed or purified process material – Of process trim or excess blanked material
Patent
1997-07-08
1998-09-15
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Recycling of reclaimed or purified process material
Of process trim or excess blanked material
264112, 264119, 264911, B29C 4302, B29C 4318
Patent
active
058075135
ABSTRACT:
The invention relates to a method for the recycling of trim components of vehicles. The method comprises the steps of shredding manufacturing scrap and post-consumer scrap from vehicle headliners into small particles to produce fluff. This fluff is then combined with water and a binder reagent composed of either polyisocyanates, or polyisocyanates combined with various polyols. The solution of fluff, binder reagent and water are mixed, and then placed in a mold where the mixture is formed into a pre-preg sheet. Subsequently, the pre-preg sheet is subjected to compression molding at elevated temperatures to produce a finished composite trim panel. As part of the final compression molding step, a decorative coverstock can be included to produce a finished trim panel having a decorative cover.
REFERENCES:
patent: 3888806 (1975-06-01), Kropscoti
K.C. Frisch, A. Sendijarevic, V. Sendijarevic, and D. Klempner; Utilization of Polymeric Isocyanate-based Binders in Recycling of Automotive Shredder Fluff; Apr. 27-28, 1995; 1-8; Proceedings of Cellular Polymers III, the 3rd International Conference, RAPRA Technology LTD, Coventry, England.
V. Sendijarevic, A. Sendijarevic, Z. Chen, H. Ullah, D. Kempner, and K.C. Frisch; Recycling of Automotive Shredder Residue Using Isocyanate-based Binders; Sep. 26-29, 1995; 400, 402-403; Proceedings of the SPI Polyurethanes.
V. Sendijarevic, A. Sendijarevic, Z. Chen, H. Ullah, D. Klempner, and K.C. Frisch; Utilization of Automotive Shredder Residue in Composite Applications; Nov. 6-9, 1995; 618, 622-625; Proceedings of the 11th Annual ESD Advanced Composites Conference and Exposition, Dearborn, Michigan.
Frisch Kurt C.
Gebreselassie Girma
Klempner Daniel
Sendijarevic Vahid
Wolf, Jr. Harold G.
Theisen Mary Lynn
UT Automotive Dearborn Inc.
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