Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By gas forming or expanding
Patent
1992-11-06
1995-04-11
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By gas forming or expanding
264 54, 264237, 264295, 264321, B29C 6722
Patent
active
054055636
ABSTRACT:
A leather-like thermoplastic polyester series resin sheet is disclosed, including a uniformly and finely foamed 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.
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Amano Norio
Hayashi Motoshige
Hirai Takaaki
Taki Tekeshi
Kuhns Allan R.
Sekisui Kaseihin Kogyo Kabushiki Kaisha
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