Coaxial polyphosphazene nanofiber composite membrane and preparation method thereof
A technology of nanofibers and polyphosphazene, which is applied in fiber processing, textiles, papermaking, non-woven fabrics, etc., can solve the limitations of the preparation and practical application of polyphosphazene nanofiber membranes, poor mechanical strength of nanofiber membrane materials, Difficult to obtain polyphosphazene nanofiber membrane and other problems, to achieve the effect of improving stability and mechanical strength, easy to obtain raw materials, and uniform shape
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0029] Example 1
[0030] Using a coaxial electrospinning device, poly-p-methylphenoxyphosphazene with a molecular weight of 200,000 was dissolved in N,N'-dimethylformamide to prepare a poly-p-methylphenoxy phosphazene with a concentration of 25% by weight. phenoxyphosphazene solution as the outer spinning solution for coaxial electrospinning; polyacrylonitrile with a molecular weight of 50,000 was dissolved in dimethyl sulfoxide to prepare polypropylene with a concentration of 25% by weight Nitrile solution, as the inner layer spinning solution for coaxial electrospinning; inject polyacrylonitrile solution into the inner layer of the coaxial spinneret, and inject the poly(p-methylphenoxyphosphazene) solution into the outer layer of the coaxial spinneret , adjust the flow rate of the outer layer spinning solution to 1mL / h, the inner layer spinning solution flow rate to 1mL / h, the receiving distance to be 15cm, and the spinning voltage to be 10kV, and electrospinning was perfor...
Example Embodiment
[0031] Example 2
[0032]Using a coaxial electrospinning device, poly-p-methylphenoxyphosphazene with a molecular weight of 600,000 was dissolved in N,N'-dimethylacetamide to prepare poly-p-methyl phenoxyphosphazene with a concentration of 20% by weight. phenoxyphosphazene solution, as the outer spinning solution for coaxial electrospinning; polyacrylonitrile with a molecular weight of 80,000 was dissolved in N,N'-dimethylformamide, and the weight percentage concentration was 20% polyacrylonitrile solution was used as the inner layer spinning solution for coaxial electrospinning; the polyacrylonitrile solution was injected into the inner layer of the coaxial spinneret, and the poly(p-methylphenoxyphosphazene) solution was injected into the coaxial spinneret. For the outer layer of the silk head, adjust the flow rate of the spinning solution in the outer layer to be 0.8 mL / h, the flow rate of the spinning solution in the inner layer to be 0.8 mL / h, the receiving distance to be ...
Example Embodiment
[0033] Example 3
[0034] Using a coaxial electrospinning device, poly-p-methylphenoxyphosphazene with a molecular weight of 1 million was dissolved in tetrahydrofuran to prepare a poly-p-methylphenoxyphosphazene solution with a concentration of 15% by weight. Coaxial electrospinning outer layer spinning solution; polyacrylonitrile with a molecular weight of 100,000 is dissolved in N,N'-dimethylacetamide to prepare a polyacrylonitrile solution with a concentration of 15% by weight, as Coaxial electrospinning inner layer spinning solution; inject the polyacrylonitrile solution into the inner layer of the coaxial spinneret, inject the poly-p-methylphenoxyphosphazene solution into the outer layer of the coaxial spinneret, adjust the outer layer The flow rate of spinning solution is 0.5mL / h, the flow rate of inner layer spinning solution is 0.5mL / h, the receiving distance is 25cm, and the spinning voltage is 18kV, and electrospinning is performed to obtain polyacrylonitrile as the...
PUM
Property | Measurement | Unit |
---|---|---|
Diameter | aaaaa | aaaaa |
Diameter | aaaaa | aaaaa |
Fiber diameter | 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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap