Textiles: spinning – twisting – and twining – Strand structure – Multifilament yarns
Patent
1978-12-20
1980-11-18
Kendell, Lorraine T.
Textiles: spinning, twisting, and twining
Strand structure
Multifilament yarns
57249, 260 292M, 260 326R, 428389, 428391, 428392, D02G 300
Patent
active
042338093
ABSTRACT:
A forming size composition is provided for glass fibers that are to be made into twisted glass fiber strands. The forming size contains about 20 to about 94 weight percent based on the solids of the aqueous forming size of a silylated polyazamide and an emulsifying lubricant in an amount in the range of about 6 weight percent to about 40 weight percent of the solids in the aqueous forming size composition. In the forming size composition the silylated polyazamide is used to replace the starch of a conventional forming sizing composition for twisted glass fiber strands.
REFERENCES:
patent: 2531571 (1950-11-01), Hyde
patent: 3081195 (1963-03-01), Biefeld et al.
patent: 3168389 (1965-02-01), Eilerman
patent: 3424608 (1969-01-01), Marzocchi et al.
patent: 3676287 (1972-07-01), Flautt et al.
patent: 3746738 (1973-07-01), Pepe et al.
patent: 3869308 (1975-03-01), Graham
patent: 3870547 (1975-03-01), Workman et al.
patent: 3903046 (1975-09-01), Greber et al.
patent: 3922472 (1975-11-01), Foley et al.
Kendell Lorraine T.
PPG Industries Inc.
Stachel Kenneth J.
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