Synthetic leather and method for producing the same

Details Synthetic leather and method for producing the same Synthetic leather and method for producing the same

2006-03-31

2010-12-28

Johnson, Christina (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By casting liquids on a solid supporting or shaping surface

C264S172190, C264S299000, C264S301000, C264S302000, C530S353000

Reexamination Certificate

active

07858009

ABSTRACT:
An aqueous sericin solution and a polar organic solvent are mixed together to prepare a sericin-containing solution, then the sericin-containing solution is added into a synthetic resin solution, followed by drying, to produce an synthetic leather wherein sericin is present as discrete particles of not larger than 3 μm in diameter within the synthetic resin of a skin layer almost uniformly at least 1.0×106particles per square centimeter. The skin layer of the synthetic leather has a soft and moist touch like that of the natural leather and is superior in moisture absorbing and releasing properties and further superior in processing stability.

REFERENCES:
patent: 3673059 (1972-06-01), Brandt
patent: 5718954 (1998-02-01), Sano et al.
English translation of abstract, JP 2000014592A, Masaaki Kabayama, Jan. 18, 2000.
English translation of abstract, JP 04202857A, Shinya Ishimaru, Jul. 23, 1992.
Translation of JP 2000014592 to Kabayama, published Jan. 18, 2000, 8 pages.
Translation of JP 04202857 to Ishimaru, published Jul. 23, 1992, 4 pages.

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