Lotus root starch-based water-absorbing breathable PU leather and preparation method thereof
A lotus root flour-based and lotus root flour technology, applied in the field of synthetic leather, can solve the problems of easy growth of microorganisms, poor water absorption and air permeability, poor water absorption and air permeability, etc., and achieves the effects of improving water absorption and air permeability, reducing the preparation cost, and making the price natural and environmentally friendly.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0028] (1) Preparation of lotus root powder-based filler:
[0029] Dissolve 30 g of dried lotus root starch in 75 g of absolute ethanol, ultrasonically disperse for 30 min, then add 11 g of citric acid, continue to disperse for 30 min, then add 600 g of ammonia water, filter after reaction, wash with deionized water, and finally in After drying in a vacuum drying oven at 65°C, the lotus root powder-based water-absorbing and breathable filler was obtained, which was pulverized for later use.
[0030] (2) Preparation of water-absorbing and breathable bass:
[0031] Mix 100g WS-8706 PU wet-process resin, 30g lignocellulose, 5g lotus root powder-based filler and 110g N,N-dimethylformamide (DMF), stir well, defoam, and then apply to suede , the coating thickness is 120 mm, and a water-absorbing and breathable bass is obtained.
[0032] (3) Preparation of water-absorbent and breathable PU leather:
[0033] First, dissolve 100g of dry-process resin DF-8030 in 50g of DMF solution a...
Embodiment 2
[0036] (1) Preparation of lotus root powder-based filler:
[0037] Dissolve 20 g of dried lotus root powder in 50 g of absolute ethanol, ultrasonically disperse for 30 min, then add 5 g of citric acid, continue to disperse for 30 min, then add 400 g of ammonia water, filter after reaction, wash with deionized water, and finally in After drying in a vacuum drying oven at 65°C, the lotus root powder-based water-absorbing and breathable filler was obtained, which was pulverized for later use.
[0038] (2) Preparation of water-absorbing and breathable bass:
[0039] Mix 70g WS-8706 PU wet-process resin, 10g lignocellulose, 1g lotus root powder-based filler and 90g N,N-dimethylformamide (DMF), stir well, defoam, and then apply to suede On the surface, the coating thickness is 100 mm, and a water-absorbing and breathable bass is obtained.
[0040] (3) Preparation of water-absorbent and breathable PU leather:
[0041] First, dissolve 100g of dry-process resin DF-8030 in 100g of DM...
Embodiment 3
[0044] (1) Preparation of lotus root powder-based filler:
[0045]Dissolve 40 g of dried lotus root powder in 100 g of absolute ethanol, ultrasonically disperse for 30 min, then add 15 g of citric acid, continue to disperse for 30 min, then add 800 g of ammonia water, filter after reaction, wash with deionized water, and finally in After drying in a vacuum drying oven at 65°C, the lotus root powder-based water-absorbing and breathable filler was obtained, which was pulverized for later use.
[0046] (2) Preparation of water-absorbing and breathable bass:
[0047] Mix 120g WS-8706 PU wet-process resin, 50g lignocellulose, 10g lotus root powder-based filler and 150g N,N-dimethylformamide (DMF), stir well, defoam, and then apply it on the suede , the coating thickness is 150 mm, and a water-absorbing and breathable bass is obtained.
[0048] (3) Preparation of water-absorbent and breathable PU leather:
[0049] First, dissolve 100g of dry-process resin DF-8030 in 200g of DMF s...
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com