Low bulk and light-weight products

Paper making and fiber liberation – Processes and products

Patent

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Details

162142, 162147, 162150, 162158, 162163, 1621641, 1621643, 1621811, 1621816, 162182, D21H 2118

Patent

active

053486218

ABSTRACT:
Composition board and various other synthetic or artificial panel and the like structures a well as manually-formable compositions of paste-like consistency for substitution as putty, caulking or molding clays, etc., all of which can be internally reinforced for better-strength structural purposes, are fabricated and made into desired strong and excellently-utile shaped article products of manufacture and the like under various forming conditions for the purpose from coarse paper starting material (viz, common "newsprint", kraft paper, cardboards, etc.) which starting material may optionally have "wet" sawdust and/or other undried cellulosic inclusions therein all of which, advantageously and economically, is converted by treatment thereof with certain non-azotizing, non-alklai, nascently-operative and -reacting strong oxidizing agents including such things as common household bleach (i.e. NaOCl) preparations and its like, more-strongly formulated or concentrated forms as well as various possible equivalents thereof and substituents therefor such as bleach powder, (i.e., Ca(OCl).sub.2), swimming pool chlorine-, bromine- and/or oxygen-releasing compounds, elemental chlorine and so forth to get a complex carbohydrate and/or lignin, etc., break-down resulting in an internally- and intrinsically-so-generated, at least partially hydrophylic, water-absorptive (i.e., actually "water-absorbing") binding material capable of converting the treated coarse paper mass upon fabrication thereof into integrally-bonded structurally-shaped product, which compositions in their preparatory make-up are filled or loaded with mica (including expanded mica) and/or asbestos to obtain very light weight and low density product articles in the usual instance. Other additaments (if so desired but not as a necessity) can also be incorporated in the involved masses such as, without limitation, other fillers, colorants, reinforcing inclusions, cross-linking "adducts" and so on and so forth to many times materially beneficiate and even yet further improve the products obtained from the mica and/or asbestos (preferably expanded mica) loaded and including converted coarse paper starting raw stock masses. Low cost shelters and housing structures, or sections thereof, are advantageously possible to get with present products.

REFERENCES:
patent: 3434917 (1969-03-01), Kraus et al.
patent: 3916057 (1975-10-01), Hatch et al.
patent: 4007312 (1977-02-01), Stofko et al.
patent: 4111730 (1978-09-01), Balatinecz
patent: 4377440 (1983-03-01), Gasland
patent: 4454005 (1984-06-01), Stofko et al.
Krulak, V. H., Comment, "The Waste of Requiring Paper Recycling", The Detroit News, Oct. 26, 1992, p. 7A.

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