Patent ID: 6268425
Filing Date: 2001-07-31
Classification: C03C

Abstract:
A method of making a glass/polymer blend comprising at least 65 wt. % glass, a first polymer, and a second polymer, wherein the first polymer is a poly(phenylsulfone), the method comprising:(a) compounding glass materials from oxides, carbonates, phosphates, or their precursors to form a glass batch material;(b) melting the glass batch material at a temperature of about 1000.degree. C.;(c) drying and finely-dividing the glass batch materials to form fragments or pellets of glass;(d) combining and mixing the fragments or pellets of glass with pellets or powders of the first and second polymers to form a glass/polymer batch; and(e) feeding the glass/polymer batch into an extruder at a temperature in the range of 300-450.degree. C. to form the glass/polymer blend.