Process for producing inorganic fiber

Details Process for producing inorganic fiber Process for producing inorganic fiber

1982-11-23

1985-01-22

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

264176F, 264DIG19, 501127, C01F 702

Patent

active

044951213

ABSTRACT:
A new process for producing an inorganic fiber of superior tensile strength and modulus of elasticity, which comprises spinning a spinning solution in organic solvent of polymetaloxane of good spinnability to form a precursor fiber, calcining said precursor fiber, and wherein said solution contains polymetaloxane comprising 0.1-95 mole % of a structural unit represented by the following general formula [A] and 99.9-5 mole % of the following formula [B]: ##STR1## (wherein, M represents a trivalent or tetravalent metal atom, X.sub.1 represents an organic group which is the same as or different from ##STR2## hydrogen, nitro or halogen, X.sub.2 and X.sub.3 represent an organic group other than ##STR3## Y represents an organic group, nitro or halogen, m represents an integer from 1 to 3.).

REFERENCES:
patent: 3094385 (1963-06-01), Brisbin
patent: 3808015 (1974-04-01), Seufert
patent: 3814782 (1974-06-01), Hayes
patent: 3865917 (1975-02-01), Galasso
patent: 3950478 (1976-04-01), Kenworthy
patent: 3996145 (1976-12-01), Hepburn
patent: 4101615 (1978-07-01), Horikiri

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