Process for the manufacture of consolidated shaped structures of

Details Process for the manufacture of consolidated shaped structures of Process for the manufacture of consolidated shaped structures of

1973-09-20

1976-02-10

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

264195, 264236, G08L 106, D01F 1102

Patent

active

039376729

ABSTRACT:
This invention relates to a process for the preparation of a cellulose hydrate moulding which comprises (a) treating a cellulose hydrate moulding while in the gel state, for a period within the range of from 10 seconds to 20 minutes, with an aqueous liquid having dissolved therein at least one plasticizer, a chemical cross-linking agent comprising at least one cyclic urea compound having at least 2 N-methylol groups, and at least one cross-linking catalyst, (b) drying the moulding to a residual water content of from 8 to 12% by weight, and (c) heating the moulding at a temperature within the range of from 100.degree. to 150.degree.C for a period of from 30 seconds to 20 minutes. The invention also relates to a cellulose hydrate moulding prepared by the novel process.

REFERENCES:
patent: 2322981 (1943-06-01), Ubbelohde
patent: 2992880 (1961-07-01), Toms
patent: 3016283 (1962-01-01), Schappel
patent: 3224182 (1965-12-01), Sloan et al.
patent: 3445556 (1969-05-01), Kuzmak et al.
patent: 3472606 (1969-10-01), Getchell
patent: 3473885 (1969-10-01), Stanley
patent: 3509249 (1970-04-01), Kuzmak et al.
patent: 3553306 (1971-01-01), Church

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