Process for the production of pulped cellulose material, in part

Details Process for the production of pulped cellulose material, in part Process for the production of pulped cellulose material, in part

1988-08-09

1990-06-26

Beck, Shrive

Coating processes

Particles, flakes, or granules coated or encapsulated

427291, 427325, 427397, B05D 706

Patent

active

049371002

ABSTRACT:
A process is provided for the production of pulped cellulose material, preferably wood fibers, in particular up to a fiber length of 20 mm, with a high proportion of thermocurable resin, the process being suitable, in particular, for the production of fiber-containing moldings. In this process, the thermocurable resin, in aqueous, preferably alkaline solution, is added to a mixture of fiber particles and steam, and the steam is removed from the resin-coated fiber particles in a drier. The steam is removed from the mixture of steam and fiber particles after addition of the resin, and the fiber particles are subsequently dried in a drying stage to a moisture content of less than 12% by weight, in particular 3 to 10% by weight.

REFERENCES:
patent: 2817617 (1957-12-01), Rogers
patent: 4503115 (1985-03-01), Hemels et al.
Dust Collector Design; Perry's Chemical Engineers' (6th ed. 1985), McGraw-Hill Book Company; 20-81 to 20-89

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