Preparation method of multi-wall layer weather-resistant plant fiber reinforced air pipe
A technology of plant fibers and plant fiber materials, which is applied in the field of preparation of multi-wall weather-resistant plant fiber reinforced air ducts, can solve the problems of easy dust accumulation and poor water resistance, so as to achieve difficult delamination, improve bonding performance, and toughen The effect of intensity
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0028] The preparation method of the multi-wall weather-resistant plant fiber reinforced air duct of the present embodiment, the method is:
[0029] S1. Preparation of modified plant fibers: After crushing plant fiber materials into plant fibers with a length of 0.5 mm to 2 mm, immerse them in an alkaline solution with a temperature of 38 ° C to 42 ° C and a mass fraction of 3% for 60 minutes, and then rinse with water After 5 times, dry at a temperature of 90°C so that the water content of the plant fibers is ≤10%, and then spray a coupling agent aqueous solution with a mass fraction of 5% on the plant fibers, disperse and dry, and obtain a water content of ≤10% modified plant fiber; the alkali solution is an aqueous calcium hydroxide solution; the mass ratio of the dried plant fiber to an aqueous coupling agent solution with a mass fraction of 5% is 1:1; the aqueous coupling agent solution The coupling agent in is silane coupling agent KH560; The plant fiber material is wood...
Embodiment 2
[0037] The preparation method of the multi-wall weather-resistant plant fiber reinforced air duct of the present embodiment is as follows:
[0038] S1. Preparation of modified plant fibers: after crushing plant fiber materials into plant fibers with a length of 2 mm to 5 mm, immerse them in an alkali solution with a temperature of 38 ° C to 42 ° C and a mass fraction of 4% for 45 minutes, and then rinse with water for 3 After the first time, dry under the condition that the temperature is 100°C, so that the water content of the plant fiber is ≤10%, and then spray a coupling agent aqueous solution with a mass fraction of 5% on the plant fiber, disperse and dry, and obtain a water content of ≤10%. 10% modified plant fiber; the alkali solution is an aqueous calcium hydroxide solution; the mass ratio of the dried plant fiber to an aqueous coupling agent solution with a mass fraction of 5% is 1:1.2; in the aqueous coupling agent solution The coupling agent is silane coupling agent ...
Embodiment 3
[0045] The preparation method of the multi-wall weather-resistant plant fiber reinforced air duct with mute function in this embodiment is as follows:
[0046] S1. Preparation of modified plant fibers: After crushing plant fiber materials into plant fibers with a length of 2 mm to 5 mm, immerse them in an alkali solution with a temperature of 48 ° C to 52 ° C and a mass fraction of 2% for 60 minutes, and then rinse with water for 4 After the second time, dry under the condition that the temperature is 95°C, so that the water content of the plant fiber is ≤10%, and then spray a coupling agent aqueous solution with a mass fraction of 5% on the plant fiber, disperse and dry, and obtain a water content of ≤10%. 10% modified plant fiber; the alkali solution is an aqueous solution of sodium hydroxide; the mass ratio of the dried plant fiber to the aqueous coupling agent solution with a mass fraction of 5% is 1:1.2; in the aqueous coupling agent solution The coupling agent is silane ...
PUM
Property | Measurement | Unit |
---|---|---|
particle diameter | aaaaa | aaaaa |
particle diameter | aaaaa | aaaaa |
viscosity | 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