Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1978-09-15
1980-02-26
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 41, 264282, 264321, 264340, 427257, B29D 2704
Patent
active
041905725
ABSTRACT:
A method of producing a leather-like sheet having a deluxe feeling is provided comprising preparing and fully curing a leather-like sheet comprising a porous substrate consisting of a porous layer of elastomer and/or a porous layer of fibrous material and a nonporous coating layer of elastomer coated in a thickness of 0.5 to 50 .mu. on the surface of said porous substrate, crumpling said fully cured sheet in the absence of tension in a liquid medium and, then, drying the crumpled sheet at a temperature not exceeding 100.degree. C. in the absence of tension.
REFERENCES:
patent: 3415913 (1968-12-01), Lux
patent: 3429729 (1969-02-01), McCarthy
patent: 3667982 (1972-06-01), Bukalders
patent: 3689629 (1972-09-01), Hull
patent: 3763301 (1973-10-01), Civardi et al.
patent: 3931437 (1976-01-01), Civardi et al.
Ishizaki Shunji
Matsui Mikihiro
Mizuse Tomio
Nishimura Takeo
Anderson Philip
Kramer Barry
Kuraray Co. Ltd.
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