Paper making and fiber liberation – Processes and products – Mineral fiber
Patent
1981-10-13
1983-06-14
Smith, William F.
Paper making and fiber liberation
Processes and products
Mineral fiber
1621815, 162183, 427218, 4273722, 428361, 428384, 428444, D21H 518
Patent
active
043881491
ABSTRACT:
The invention relates to a chrysotile asbestos fiber substantially coated on its exterior surface with hydrated titanium dioxide, the titanium dioxide content being from 0.5 to 35% by weight, part of the titanium dioxide being chemically bonded to the asbestos fiber and the remaining titanium dioxide being retained by electrostatic bond, said modified fiber having an Mg:Si ratio of from less than 3:2 to 2:2 when calculated on an atomic number ratio, a Ti:Si ratio of from more than 0:2 to less than 1:2 and said modified fiber being also characterized by an infrared spectrum wherein the relative peaks at 1082, 1025 and 957 cm.sup.-1 have been substantially altered in their intensity and as shown in curves C and D of FIG. 1 , said fiber resisting leaching of the Mg ions by strong acids 3 to 6 times better than natural asbestos fibers and resisting leaching of SiO.sub.2 groups in strong alkali media 1.5 to 3 times better than unmodified chrysotile fibers. The novel titanated fibers are useful in the manufacture of diaphragm for separating the electrode compartments of electrolytic cells.
REFERENCES:
patent: 2833620 (1958-05-01), Gier et al.
patent: 3458393 (1969-07-01), Battista
patent: 3553001 (1971-01-01), Kohlschutte et al.
patent: 3689430 (1972-09-01), Yates
patent: 3847762 (1974-11-01), Strain
patent: 3891461 (1975-06-01), Harada et al.
patent: 3914184 (1975-10-01), Harada et al.
patent: 3914185 (1975-10-01), Inamorato
patent: 3939055 (1976-02-01), Foster
patent: 3944477 (1976-03-01), Argade
patent: 3947286 (1976-03-01), Myers et al.
patent: 3979276 (1976-09-01), Strain
patent: 3991251 (1976-11-01), Foster et al.
patent: 4093533 (1978-06-01), Beaver et al.
patent: 4142951 (1979-03-01), Beaver et al.
patent: 4169774 (1979-10-01), Kadija et al.
patent: 4180449 (1979-12-01), Heillel
Kimmerle Frank M.
Roberge Pierre
Smith William F.
Societe Nationale de l'Amiante
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