Process for preparing stannic oxide hydrate

Details Process for preparing stannic oxide hydrate Process for preparing stannic oxide hydrate

1975-05-07

1977-08-09

Vertiz, O. R.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

106 15FP, 252 81, 260 296WA, C01G 1902

Patent

active

040411443

ABSTRACT:
A flame resisting agent to be incorporated into an aqueous spinning dope containing chlorine-containing polymer as a main polymer ingredient for improving the flame resistant property of the fiber spun from the spinning dope which includes a stannic oxide hydrate being substantially amorphous with respect to X-ray diffraction and having a bound water in the range of about 0.5 to about 0.7 mole of H.sub.2 O per 1 mole of SnO.sub.2. The flame resisting agent has a superior dispersibility in an aqueous spinning dope containing chlorine-containing polymer as a main polymer ingredient and the aqueous spinning dope in which the flame resisting agent is incorporated has a superior stability, filtering property and spinning property to give a uniform quality of fibers having a durable, superior flame resistant property.

REFERENCES:
patent: 824398 (1906-06-01), Acker
patent: 1529261 (1925-03-01), Lubowsky
patent: 1682240 (1928-08-01), Patrick
Handbook of Chemistry and Physics, Forty-Third Edition, pp. 674-675.

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