Leather-like thermoplastic polyester series resin sheet and proc

Details Leather-like thermoplastic polyester series resin sheet and proc Leather-like thermoplastic polyester series resin sheet and proc

1991-05-13

1992-05-05

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 92, 521 98, C08G 6300, C08J 908

Patent

active

051108445

ABSTRACT:
A leather-like thermoplastic polyester series resin sheet is disclosed, comprising a uniformly and finely formed sheet comprising a thermoplastic polyester series resin, wherein said foamed sheet has cells having a diameter of substantially not longer than 1 mm, the cell walls thereof have a thickness of substantially not thicker than 100 .mu.m, and the cell wall constructing each cell extends with irregular bending so as to make a flexibility of not more than 20,000 mg in the Gurley flexibility test. A process for production of the leather-like thermoplastic polyester series resin sheet is also disclosed.

REFERENCES:
patent: 4224264 (1980-09-01), Ort
patent: 4278769 (1981-07-01), Gebauer et al.
patent: 4312960 (1982-01-01), Ort
patent: 4399085 (1983-08-01), Belbin et al.
patent: 4429060 (1984-01-01), Ide
patent: 4429061 (1984-01-01), Ide
patent: 4462947 (1984-07-01), Huggard
patent: 4473665 (1984-09-01), Martini-Vvedensky et al.
patent: 4988740 (1991-01-01), Walter et al.

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