Method for producing synthetic leather and synthetic leather produced by the same
First Claim
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1. A method for producing synthetic leather, the method comprising:
- (a) a first coating process of knife-coating a release paper with a first coating liquid including a first silicone rubber having a viscosity of 100 Pa·
s or more, an elongation of 300% or more, and a shore A hardness of 50 or more;
(b) a second coating process of knife-coating the release paper coated with the first coating liquid with a second coating liquid including a second silicone rubber having a viscosity of 100 Pa·
s or more, an elongation of 300% or more, and a shore A hardness of less than 50;
(c) a bonding process of bonding the release paper coated with the second coating liquid with a fabric, followed by drying and curing; and
(d) a separation process of separating the release paper from the coated fabric bonded onto the release paper.
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Abstract
The present invention provides a method for producing synthetic leather using a silicone rubber coating liquid; and synthetic leather produced by the method.
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Citations
6 Claims
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1. A method for producing synthetic leather, the method comprising:
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(a) a first coating process of knife-coating a release paper with a first coating liquid including a first silicone rubber having a viscosity of 100 Pa·
s or more, an elongation of 300% or more, and a shore A hardness of 50 or more;(b) a second coating process of knife-coating the release paper coated with the first coating liquid with a second coating liquid including a second silicone rubber having a viscosity of 100 Pa·
s or more, an elongation of 300% or more, and a shore A hardness of less than 50;(c) a bonding process of bonding the release paper coated with the second coating liquid with a fabric, followed by drying and curing; and (d) a separation process of separating the release paper from the coated fabric bonded onto the release paper. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification