Spundbonded fabrics comprising biodegradable polycaprolactone fi

Details Spundbonded fabrics comprising biodegradable polycaprolactone fi Spundbonded fabrics comprising biodegradable polycaprolactone fi

1992-06-12

1995-11-14

Withers, James D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

2641761, 26421121, 26421122, 428296, 428373, 428392, 428394, D04H 158, D04H 104, B29C 4738, B29C 4760

Patent

active

054665175

ABSTRACT:
A spunbonded fabric comprises continuous thermoplastic filaments, which adhere to one another at their intersecting points without binder, and whose material comprises at least 50 weight % biodegradable polycaprolactone having a mean molecular weight of from 35,000 to 70,000. In the production process of the spunbonded fabric, no additional stabilization step is necessary after the filaments are deposited.

REFERENCES:
patent: 4582052 (1986-04-01), Dunn et al.
patent: 5053482 (1991-10-01), Tietz
patent: 5316832 (1994-05-01), Groten et al.

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