Solvent-free polyurethane-based artificial leather having...

Details Solvent-free polyurethane-based artificial leather having... Solvent-free polyurethane-based artificial leather having...

2008-09-10

2010-10-12

Zimmer, Marc S (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S017000, C528S085000, C528S425000, C527S204000

Reexamination Certificate

active

07812075

ABSTRACT:
The present invention relates to a solvent-free polyurethane-based artificial leather having the texture of human skin, and particularly to artificial leather comprising soy protein isolate and solvent-free polyurethane resin, where the use of soy protein isolate provides a higher water content than that of the conventional artificial leather to improve sensitivity properties such as tactile sensation and the use of the solvent-free polyurethane resin provides higher heat resistance and better mechanical properties than those of the conventional artificial leather, without using an organic solvent, thereby enabling to maintain clean indoor air.

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