High-springback high-stretching clothing leather and preparation method thereof
A garment leather, high-resilience technology, applied in coating, textile and papermaking, etc., can solve the problem of inability to achieve the sensuality of wet-fabricated garment leather, inability to achieve high-resilience and high-stretch garment leather, and inability to make high-resilience High-stretch garment leather and other problems, to achieve the effect of full elasticity, soft hand feeling, and satisfying demand
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Embodiment 1
[0047] (1) Preparation of slurry for surface layer, foaming middle layer and bottom layer:
[0048] (1) Preparation of the slurry of the surface layer:
[0049] Take 100kg of water-based polyurethane resin KTT737 (Hefei Ketian Chemical), 6kg of water-based color paste, 0.8kg of RHEOLATE208 water-based thickener, 0.4kg of TEGO902W defoamer, 0.5kg of BD-3376 leveling agent, and add them to the mixer After stirring evenly, stir until the slurry is evenly dispersed.
[0050] (2) Preparation of the slurry of the foaming middle layer:
[0051] Add 0.8kg of RHEOLATE208 water-based thickener, 5kg foaming agent zinc stearate (Henan Huier Nano), 5kg foam stabilizer 207 in 350kg waterborne polyurethane resin KTG703E (solid content is 35%, Hefei Ketian Chemical Industry) (Qingdao Zhongbao Chemical), 2kg crosslinking agent PZP-1000 (Guangzhou Jianyi) and 3.5kg curing agent 3099 (Germany Bayer), stir with a high-speed mixer, and foam to 1.4 times the original volume.
[0052] (3) Prepara...
Embodiment 2
[0060] (1) Preparation of slurry for surface layer, foaming middle layer and bottom layer:
[0061] (1) Preparation of the slurry of the surface layer:
[0062] Take 100kg of water-based polyurethane resin KTT737 (Hefei Ketian Chemical), 2kg of water-based color paste, 0.4kg of RHEOLATE208 water-based thickener, 0.2kg of BYK-045 defoamer, 0.5kg of BD-3376 leveling agent, add In the blender, after stirring evenly, stir until the slurry is evenly dispersed.
[0063] (2) Preparation of the slurry of the foaming middle layer:
[0064] Add 0.4kg of RHEOLATE208 water-based thickener, 1kg foaming agent zinc stearate (Henan Huier Nano), 1kg foam stabilizer 207 in 350kg waterborne polyurethane resin KTG703E (solid content is 35%, Hefei Ketian Chemical Industry) (Qingdao Zhongbao Chemical), 0.5kg crosslinking agent PZP-1000 (Guangzhou Jianyi) and 1kg curing agent 3099 (Germany Bayer), stir with a high-speed mixer, and foam to 1.4 times the original volume.
[0065] (3) Preparation of...
Embodiment 3
[0073] (1) Preparation of slurry for surface layer, foaming middle layer and bottom layer:
[0074] (1) Preparation of the slurry of the surface layer:
[0075] Take 100kg of water-based polyurethane resin KTT737 (Hefei Ketian Chemical), 12kg of water-based color paste, 1.5kg of RHEOLATE208 water-based thickener, 0.8kg of BYK-045 defoamer, 1.2kg of BD-3376 leveling agent, add In the blender, after stirring evenly, stir until the slurry is evenly dispersed.
[0076] (2) Preparation of the slurry of the foaming middle layer:
[0077] Add 0.8kg of RHEOLATE208 water-based thickener, 3kg foaming agent zinc stearate (Henan Huier Nano), 5kg foam stabilizer 207 in 350kg waterborne polyurethane resin KTG703E (solid content is 35%, Hefei Ketian Chemical Industry) (Qingdao Zhongbao Chemical), 1.2kg crosslinking agent PZP-1000 (Guangzhou Jianyi) and 5kg curing agent 3099 (Germany Bayer), stir with a high-speed mixer, and foam to 1.4 times the original volume.
[0078] (3) Preparation o...
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