Method for the production of extrudates from regenerable raw mat

Details Method for the production of extrudates from regenerable raw mat Method for the production of extrudates from regenerable raw mat

1994-06-14

1996-03-12

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Utilizing diverse solid particles

264109, B29C 4700

Patent

active

054983843

ABSTRACT:
A method for the production of extrudates from regenerable raw materials, using biopolymeric and mineral raw materials. The object of the invention is based on providing a method of the generic species, with which it is possible to improve the properties of the biopolymeric carriers, particularly, to prevent their solubility due to the addition of components and to provide bodies, which are resistant to the effects of water and high temperatures, with prerequisites suitable for use in the industries, which process such bodies further. Pursuant to the invention, this objective is accomplished owing to the fact that the biopolymeric raw materials, in the form of grains such as wheat, rye, corn, triticale, rice, barley and buckwheat, oil seed extraction grist, such as rape, cotton seed, soybean, sunflower and linseed extraction grist, animal wool, such as sheep's wool, plant fibers, such as cotton, flax and linen, wood flour, ground quinine, straw and dried grass and mineral additives, such as finely ground limestone, calcium hydroxide, Portland cement, marl, finely ground fire clays, perlite, kieselguhr, glass and gypsum are mixed with a separately added hydrophobizing agent and processed in an extruder.

REFERENCES:
patent: Re32329 (1987-01-01), Paszner
patent: 5082605 (1992-01-01), Brooks
patent: 5088910 (1992-02-01), Goforth et al.
patent: 5266368 (1993-11-01), Miller
patent: 5308566 (1994-05-01), Huder

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