A kind of preparation method of optical waveguide material
An optical waveguide and new material technology, applied in the field of preparation of optical waveguide materials, can solve the problems of limited application of high molecular polymer materials, low dielectric constant, large absorption loss, etc. The effect of solubility
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0020] A preparation method of a new optical waveguide material, the preparation technical scheme is as follows:
[0021] Step 1, according to the number of parts by mass: 28 parts of 4,4-dihydroxydiphenylcyclohexane, 8.5 parts of 2,3,5,6-tetrafluorohydroquinone, 3 parts of pyridine, 0.8 parts of Catalyst and 250 parts of dichloromethane are included in the reaction kettle, under cooling condition control temperature is lower than 3 ℃, stir 40min, then the dichloromethane solution that is dissolved with 40 parts of bis (trichloromethyl) carbonate Slowly add 180 parts into the reaction kettle, keep the temperature in the kettle at 3°C, stir and react for 40 minutes after the dropwise addition, then raise the temperature of the system to 25°C, and react for 4 hours; after the reaction is completed, add 140 parts of hydrochloric acid into the reaction kettle, Separate the liquid, extract the aqueous phase with 450 parts of dichloromethane three times, combine the organic phases, ...
Embodiment 2
[0030] A preparation method of a new optical waveguide material, the preparation technical scheme is as follows:
[0031] Step 1, according to the number of parts by mass: 25 parts of 4,4-dihydroxydiphenylcyclohexane, 7.5 parts of 2,3,5,6-tetrafluorohydroquinone, 1 part of pyridine, 0.5 parts of Catalyst and 200 parts of dichloromethane are counted in the reactor, under cooling condition control temperature is lower than 3 ℃, stir 30min, then the dichloromethane solution that is dissolved with 35 parts of bis(trichloromethyl) carbonate Slowly add 150 parts into the reaction kettle, keep the temperature in the kettle at 0°C, stir and react for 30 minutes after the dropwise addition, then raise the temperature of the system to 20°C, and react for 2 hours; after the reaction is completed, add 100 parts of hydrochloric acid into the reaction kettle, Separate the liquid, extract the aqueous phase three times with 400 parts of dichloromethane, combine the organic phases, wash with s...
Embodiment 3
[0040] A preparation method of a new optical waveguide material, the preparation technical scheme is as follows:
[0041] Step 1, according to the number of parts by mass: 30 parts of 4,4-dihydroxydiphenylcyclohexane, 0.0 part of 2,3,5,6-tetrafluorohydroquinone, 5 parts of pyridine, 1.0 part of The dichloromethane of catalyzer and 300 parts is counted in the reaction kettle, under the cooling condition control temperature is lower than 3 ℃, stirs 60min, then the dichloromethane solution that is dissolved with the bis(trichloromethyl)carbonate of 50 parts Slowly add 200 parts into the reaction kettle, keep the temperature in the kettle at 5°C, stir and react for 60 minutes after the dropwise addition, then raise the temperature of the system to 30°C, and react for 6 hours; after the reaction is completed, add 150 parts of hydrochloric acid into the reaction kettle, Separate the liquid, extract the aqueous phase with 500 parts of dichloromethane three times, combine the organic ...
PUM
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