A kind of tea polyphenol cellulose fiber and preparation method thereof
A technology of cellulose fiber and tea polyphenols, applied in the direction of artificial filament made of viscose, can solve the problems of short shelf life and low antibacterial stability, achieve excellent anti-radiation function, easy large-scale production, and process The effect of simple process
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0029] A kind of tea polyphenol cellulose fiber and preparation method thereof, comprises the following steps:
[0030] (1) Preparation of tea polyphenols pretreatment solution: pump 50L of water into the glass-lined reactor, start stirring, and add 10Kg of tea polyphenols, after fully dissolving, use dilute hydrochloric acid to adjust the pH value of the tea polyphenols aqueous solution to 4- 5. Then heat the tea polyphenol aqueous solution to 70-80°C, maintain the system temperature at 70-80°C, add 3.5L of γ-(2,3-glycidoxy)propyl dropwise to the system within 20-30min under stirring conditions After the addition of trimethoxysilane, raise the temperature of the system to 100-110°C, maintain the temperature of the system at 100-110°C for 9 hours, and then adjust the pH value of the reaction solution to 7-8 with dilute sodium hydroxide solution to obtain tea poly Phenol pretreatment solution, then down to room temperature for subsequent use;
[0031] (2) Viscose grafting trea...
Embodiment 2
[0036] A kind of tea polyphenol cellulose fiber and preparation method thereof, comprises the following steps:
[0037] (1) Preparation of tea polyphenols pretreatment solution: pump 50L of water into the glass-lined reactor, start stirring, and add 10Kg of tea polyphenols, after fully dissolving, use dilute hydrochloric acid to adjust the pH value of the tea polyphenols aqueous solution to 4- 5. Then heat the tea polyphenol aqueous solution to 70-80°C, maintain the system temperature at 70-80°C, add 3.5L of γ-glycidyl etheroxypropyl trimethoxysilane dropwise to the system within 20-30min under stirring conditions, drop After the addition, raise the system temperature to 100-110°C, maintain the system temperature at 100-110°C and react for 9 hours, then use dilute sodium hydroxide solution to adjust the pH value of the reaction solution to 7-8 to obtain the tea polyphenol pretreatment solution, and then Cool down to room temperature for later use;
[0038](2) Viscose grafting...
Embodiment 3
[0042] Effect test of pH value on tea polyphenol grafting treatment:
[0043] (1) Set up four 1L reaction bottles at the same time, install a stirring device, and mark them as A1, A2, A3, and A4 respectively, fill each of the four bottles with 300ml of water, turn on the stirring, and add 40g of tea respectively Polyphenols, after fully dissolving, A1 and A2 use dilute hydrochloric acid to adjust the pH value of the tea polyphenol aqueous solution to 3-4, A3 and A4 use dilute hydrochloric acid to adjust the pH value of the tea polyphenol aqueous solution to 4-5, and then Heat the tea polyphenol aqueous solution to 70-80°C, maintain the system temperature at 70-80°C, add 120mL of γ-(2,3-glycidyloxy)propyltrimethoxysilane dropwise to the system within 20-30min under stirring conditions, After the dropwise addition, raise the system temperature to 100-110°C, maintain the system temperature at 100-110°C for 9 hours, and then use dilute sodium hydroxide solution to adjust the pH va...
PUM
Property | Measurement | Unit |
---|---|---|
length | aaaaa | aaaaa |
antibacterial rate | aaaaa | aaaaa |
water absorption | 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