Poly(hydroxybutyrate/hydroxyvalerate) copolymers for fiber bondi

Details Poly(hydroxybutyrate/hydroxyvalerate) copolymers for fiber bondi Poly(hydroxybutyrate/hydroxyvalerate) copolymers for fiber bondi

1994-04-29

1997-08-12

Ryan, Patrick

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coated or impregnated natural fiber fabric

524270, 524271, 524272, 442153, C08L 9304, B32B 2700, D04H 100, D04H 300

Patent

active

056563671

ABSTRACT:
A biodegradable binder for nonwoven stock is prepared as an emulsion of 5-200% solids of poly(hydroxybutyrate/hydroxyvalerate) copolymer in water in which the copolymer comprises 70-100 mole percent of 3-hydroxybutyrate and 0-30 percent of 3-hydroxyvalerate.

REFERENCES:
patent: 5097004 (1992-03-01), Gallagher et al.
patent: 5169889 (1992-12-01), Kauffman et al.

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