Synthetic leather
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United States of America Patent
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Oct 25, 2022
Grant Date -
Jul 29, 2021
app pub date -
May 9, 2019
filing date -
Jun 7, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a synthetic leather including at least a base material (i), an adhesive layer (ii), and a skin layer (iii), wherein both the adhesive layer (ii) and the skin layer (iii) are formed of a urethane resin composition containing an anionic urethane resin having an anionic group concentration of 0.25 mmol/g or less, water, and an anionic surfactant. Preferably, the anionic surfactant is an alkylsulfosuccinate. The anionic group concentration of the anionic urethane resin is preferably within the range of 0.005 to 0.25 mmol/g and more preferably within the range of 0.01 to 0.2 mmol/g.
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