Molded part and method of its production

Details Molded part and method of its production Molded part and method of its production

1994-06-23

1998-07-28

Weisberger, Richard

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Two or more non-extruded coatings or impregnations

442 66, 442 68, 442 70, 442 71, 442 74, 442 84, 442164, 442168, 442171, 428206, 4289033, B29C 2900

Patent

active

057862800

ABSTRACT:
Carpet material with at least a proportion of uncleaned used carpets is shredded to form a fiber-like wooly mass. The carpet material contains a thermoplastic binder with a low melting point, for example polypropylene, which can be derived from the used carpets or be added. Furthermore, a duroplastically hardening binder, for example phenolic resin, is added to the carpet material. The carpet material is compressed to form the molded part or panel with these two binders, at a temperature which lies above the plasticizing point of the thermoplastic binder, but below the plasticizing point of any other thermoplastic components of the carpet material.

REFERENCES:
patent: 4382108 (1983-05-01), Carroll et al.

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