초록 ▼

Glass compositions suitable for pot and marble fiberization display excellent chemical resistance to both acids and moisture while being highly biosoluble at the same time. The glass compositions are characterized by ratios of components which are reflective of acid resistance, biosolubility, and mo

Glass compositions suitable for pot and marble fiberization display excellent chemical resistance to both acids and moisture while being highly biosoluble at the same time. The glass compositions are characterized by ratios of components which are reflective of acid resistance, biosolubility, and moisture resistance. Preferred glasses have a difference between HTV (10.sup.3 poise) and liquidus greater than 500.degree. F., and a biodissolution greater than about 350 ng/cm.sup.2 /hr.

대표청구항 ▼

[ What is claimed is:] [1.] Glass fibers exhibiting chemical resistance, moisture resistance, and biosolubility, said glass fibers prepared by pot and marble fiberization and having a shell exterior which has a different composition than the fiber interior, and with the glass fibers being prepared f

[ What is claimed is:] [1.] Glass fibers exhibiting chemical resistance, moisture resistance, and biosolubility, said glass fibers prepared by pot and marble fiberization and having a shell exterior which has a different composition than the fiber interior, and with the glass fibers being prepared from a glass composition consisting essentially of, in mol percent:______________________________________ SiO.sub.2 66-69.7 Al.sub.2 O.sub.3 0-2.2 RO 7-18 R.sub.2 O 9-20 B.sub.2 O.sub.3 0-7.1 ______________________________________ d glass composition having a C(acid).gtoreq.1.95, a C(bio).ltoreq.2.30, a C(moist).gtoreq.2.46, a difference, .DELTA.T, between HTV (10.sup.3 poise) and liquidus in excess of 350.degree.0 F., and the fibers exhibiting a biodissolution in excess of 150 ng/cm.sup.2 /hr.