Nonwoven polyester fabric

Details Nonwoven polyester fabric Nonwoven polyester fabric

1995-05-23

1996-06-11

Short, Patricia A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

525440, 528272, 528502, D04H 100, D04H 300

Patent

active

055254098

ABSTRACT:
Nonwoven fabrics made of an aliphatic polyester having a melt viscosity of 5.0.times.10.sup.2 -2.times.10.sup.4 poises at a temperature of 190.degree. C. at a shear rate of 100 sec.sup.-1 and a melting point of 70.degree.-190.degree. C. The nonwoven fabric has biodegradability when it is buried in the ground and it is also excellent in tensile strength and tear propagation strength. Thus, the nonwoven fabric of the present invention is useful for sanitary materials, medical materials, packaging materials, agricultural covering materials, filters, oil absorption materials, materials for a daily life, padding cloth materials for clothes, cell separators, drain sheets for constructions and the like.

REFERENCES:
patent: 2999851 (1961-09-01), Elmer
patent: 4076798 (1978-02-01), Casey et al.
patent: 4166873 (1979-09-01), Gilliam
patent: 5306787 (1994-04-01), Takiyama

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