Butyl rubber production process
A production process, the technology of butyl rubber, applied in the field of butyl rubber production process, can solve the problems of low self-sufficiency rate of products, difficulty in continuous and stable operation of equipment, and unsatisfactory production capacity and output of butyl rubber in China
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0035] 1.1 At -70°C, weigh 22.5g of isobutylene and add it to 127.5g of methylene chloride, then add 1g of isoprene and mix evenly to obtain a monomer solution.
[0036] 1.2 Weigh 0.002g of tert-butylamine and add it into the monomer solution to obtain a reactant solution, and cool down the solution to -95°C.
[0037] 1.3 At -70°C, weigh 0.2g of 20% dichloroethylaluminum solution, add it to 10g of 0.025wt% HCl in methylene chloride solution and mix evenly to obtain a catalytic system. After aging for 30min at -88°C, The temperature was lowered to -95°C.
[0038] 1.4 Add the catalytic system into the reactant solution and react at -95°C for 20 minutes to obtain a uniformly dispersed slurry in the form of particles.
[0039] 1.5 Add 2g of ethanol to terminate the reaction, put the slurry in a vacuum drying oven to remove the solvent to obtain butyl rubber.
[0040] The butyl rubber obtained in Example 1 was subjected to nuclear magnetic analysis, Mooney viscosity analysis (usi...
Embodiment 2
[0042] 2.1 At -70°C, weigh 20g of isobutylene and add it to 113.5g of methylene chloride, then add 1.3g of isoprene and mix evenly to obtain a monomer solution.
[0043] 2.2 Weigh 0.0025 g of trimethylamine and add it to the monomer solution to obtain a reactant solution, and cool the solution to -97°C.
[0044] 2.3 At -70°C, weigh 0.15g of 20% dichloroethylaluminum solution, add it to 6g of 0.02wt% HCl in methylene chloride solution and mix evenly to obtain a catalytic system. After aging at -90°C for 20 minutes, The temperature was lowered to -97°C.
[0045] 2.4 Add the catalytic system into the reactant solution and react at -97°C for 10 minutes to obtain a uniformly dispersed slurry in the form of particles.
[0046] 2.5 Add 2 g of ethanol to terminate the reaction, put the slurry in a vacuum drying oven to remove the solvent to obtain butyl rubber.
[0047] The butyl rubber obtained in embodiment 2 is carried out nuclear magnetic analysis, Mooney viscosity analysis, GPC...
Embodiment 3
[0049] 3.1 At -85°C, weigh 40g of isobutylene and add it to 110g of methylene chloride, then add 2g of isoprene and mix evenly to obtain a monomer solution.
[0050] 3.2 Weigh 0.02 g of aniline and add it into the monomer solution to obtain a reactant solution, and cool the solution down to -90°C.
[0051] 3.3 At -85°C, weigh 0.35g of 20% dichloroethylaluminum solution, add it into 12g of 0.02wt% HCl in methylene chloride solution and mix evenly to obtain a catalytic system, and age at -90°C for 30 minutes.
[0052] 3.4 Add the catalytic system to the reactant solution and react at -90°C for 20 minutes to obtain a uniformly dispersed slurry in the form of particles.
[0053] 3.5 Add 2 g of ethanol to terminate the reaction, put the slurry in a vacuum drying oven to remove the solvent to obtain butyl rubber.
[0054] The butyl rubber obtained in embodiment 3 is carried out nuclear magnetic analysis, Mooney viscosity analysis, GPC test, gained butyl rubber degree of unsaturatio...
PUM
Property | Measurement | Unit |
---|---|---|
Tensile strength | aaaaa | aaaaa |
Tensile strength | aaaaa | aaaaa |
Tensile strength | 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