Ecological induction color-changing water-based PU fabric and production method thereof

[0035] The production method of the ecological induction discoloration water-based PU fabric of this embodiment 1, comprises the steps:

[0036] (1) Add a certain amount of water-based PU resin and deionized water in the batching tank, and then add leveling agent, thickener, pH-sensitive color-changing vegetable dye and dispersing aid in a stirring state, and continue stirring for 1 hour to obtain PU impregnated slurry; specifically, the components and mass fractions of the PU impregnated slurry of this embodiment 1 are as follows: 30% of water-based PU resin, 2% of leveling agent, 3% of thickener, 0.5% of dispersing aid, pH Sensitive color-changing vegetable dye 5%, the balance is deionized water; wherein, the solid content of water-based PU resin is 30%; pH-sensitive color-changing vegetable dye is turmeric dye; dispersing aid is BYK-110; leveling agent is acrylic fluid leveling agent;

[0037] (2) Add the PU impregnation slurry obtained in step (1) into the impregnation tank,

[0042] The production method of the ecological induction discoloration water-based PU fabric of this embodiment 2, comprises the steps:

[0043] (1) Add a certain amount of water-based PU resin and deionized water in the batching tank, and then add leveling agent, thickener, pH-sensitive color-changing vegetable dye and dispersing aid in a stirring state, and continue stirring for 1 hour to obtain PU impregnated slurry; specifically, the components and mass fractions of the PU impregnated slurry of this embodiment 2 are as follows: 45% of water-based PU resin, 5% of leveling agent, 5% of thickener, 2% of dispersing aid, pH Sensitive color-changing vegetable dye 8%, the balance is deionized water; among them, the solid content of water-based PU resin is 30%; pH-sensitive color-changing vegetable dye is turmeric dye; dispersing aid is BYK-163; leveling agent is silicone Leveling agent;

[0044] (2) Add the PU impregnation slurry obtained in step (1) into the impregnation tank, and

[0049] The production method of the ecological induction discoloration water-based PU fabric of this embodiment 3 comprises the steps:

[0050] (1) Add a certain amount of water-based PU resin and deionized water into the batching tank, and then add leveling agent, thickener, pH-sensitive color-changing vegetable dye and dispersing aid in a stirring state, and continue stirring for 1 hour to obtain PU impregnated slurry; specifically, the components and mass fractions of the PU impregnated slurry of this embodiment 3 are as follows: 50% of water-based PU resin, 3% of leveling agent, 2% of thickener, 2% of dispersing aid, pH Sensitive color-changing vegetable dye 10%, the balance is deionized water; among them, the solid content of water-based PU resin is 30%; pH-sensitive color-changing vegetable dye is turmeric dye; dispersing aid is BYK-163; leveling agent is silicone Leveling agent;

[0051](2) Add the PU impregnation slurry obtained in step (1) into the impregnation tank, an