Lyocell fiber containing nano particles and preparation method thereof
A nanoparticle and fiber technology, which is applied in the field of functional Lyocel1 fiber modified by nanomaterials and its preparation, can solve the problems that nanomaterials/Lyocell fibers have not been reported, and achieve high recovery rate and simple spinning process
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0027] ①Nano silicon dioxide (SiO 2 ) hydrosol preparation: mix 30ml deionized water and 15ml absolute ethanol evenly, adjust the pH of the solution to 7-8 with ammonia water; ) solution was slowly dropped into the above ethanol / water mixed system, the stirring speed was 600r / min, and the reaction was carried out for 24 hours to obtain nano-SiO 2 Sol. Nano-SiO 2 The average particle diameter of the sol is 53.5 nm.
[0028] ②Crushing of cellulose wood pulp: crush the cellulose wood pulp with a degree of polymerization of 400-1000 into 0.1-0.5mm long pieces, and dry at 50°C for 12 hours.
[0029] ③ Nano SiO 2 Mixing of hydrosol and 50% NMMO aqueous solution: mix nano-SiO 2 The hydrosol was mixed with 50% NMMO in water.
[0030] ④ Nano SiO 2 / Cellulose / preparation of NMMO aqueous solution: According to the weight ratio of cellulose pulp and 50% NMMO aqueous solution is 12:100, the crushed wood pulp cellulose is added to SiO 2 / NMMO water system, stirring and swelling a...
Embodiment 2
[0034] ① Preparation of nano-silica hydrosol: same as Example 1, reaction temperature T=60°C. Nano-SiO 2 The average particle size of the sol is 336nm.
[0035] 2. The pulverization of cellulose pulp: with embodiment 1.
[0036] ③Nano-SiO 2 Mixing of hydrosol and 50% NMMO aqueous solution: same as Example 1.
[0037] ④ Nano SiO 2 Preparation of / cellulose / NMMO aqueous solution: Same as in Example 1, the weight ratio of cellulose pulp to 50% NMMO aqueous solution is 8:100.
[0038] ⑤ Nano SiO 2 / Preparation of spinning dope of Lyocell composite fiber: Same as Example 1.
[0039] ⑥ Nano SiO 2 / Spinning process of Lyocell composite fiber: same as Example 1 to obtain nano-SiO 2 3% nano-SiO 2 / Lyocell composite fiber.
Embodiment 3
[0041] ① Preparation of nano-silver hydrosol: Add 0.005g PVP into 20ml aqueous solution containing 0.005g silver nitrate, stir for 30 minutes; gradually add 10ml 0.03wt% sodium borohydride aqueous solution dropwise, and continue stirring for 30 minutes to obtain nano-silver sol. The average particle size of the obtained nano-silver is 65nm.
[0042] 2. The pulverization of cellulose pulp: with embodiment 1.
[0043] ③ Mixing of nano-silver hydrosol and 50% NMMO aqueous solution: the nano-silver hydrosol and 50% NMMO aqueous solution were mixed at a weight ratio of 0.048:100.
[0044] ④ According to the weight ratio of cellulose pulp and 50% NMMO aqueous solution of 6:100, the pulverized wood pulp cellulose was added to the nano-silver / NMMO aqueous system, and stirred and swelled at room temperature for 6 hours.
[0045] ⑤ Preparation of spinning stock solution of nano silver / Lyocel1 composite fiber: Same as Example 1.
[0046] ⑥Spinning process of nano-silver / Lyocell composi...
PUM
Property | Measurement | Unit |
---|---|---|
The average particle size | 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