Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – With reshaping or surface embossing of formed article
Patent
1974-12-06
1976-09-07
White, Robert F.
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
With reshaping or surface embossing of formed article
B29J 504
Patent
active
039794920
ABSTRACT:
Fiberboard is produced by a process in which fibrous material is impregnated with curable amino resins. The resins are prepared from a system having two components, each of which remains storage stable for extended periods of time. The two components are drawn from separate storage vessels combined in an in-line mixer and sprayed onto the fibrous material. The process reduces mixing costs and provides greater control over changes in viscosity, precipitation and resin particle size occurring during mixing.
REFERENCES:
patent: 3442999 (1969-05-01), Konig et al.
patent: 3649397 (1972-03-01), Peters
Pennie Walter L.
Sundie Richard D.
Allied Chemical Corporation
Buff Ernest D.
Hall James R.
Jarosz Michael S.
White Robert F.
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