Method for preparing EVA elastomer
An elastomer and ethylene technology, applied in the field of preparing polymer materials, can solve the problems of high ethylene pressure, difficult to control, complicated process and equipment, complicated solvent system, etc., achieve high industrial application value, improve diffusion and initiation efficiency, chain transfer Constant low effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0027] In a single reactor, tert-butanol is used as the single solvent; the volume ratio of solvent to vinyl acetate is 2:1; the initiator is azobisisobutyronitrile, and the amount is 3.0wt% of vinyl acetate; polymerization temperature The temperature is 65°C, the ethylene pressure is 19.0 MPa, and the reaction time is 4 hours. Under this condition, the VAc content in the polymerized product was 49.7% by weight.
Embodiment 2
[0029] In a single reactor, tert-butanol is used as the single solvent; the volume ratio of solvent to vinyl acetate is 2:1; the initiator is azobisisobutyronitrile, and the amount is 3.0wt% of vinyl acetate; polymerization temperature The temperature is 65°C, the ethylene pressure is 17.0 MPa, and the reaction time is 4 hours. Under this condition, the VAc content in the polymerized product was 51.1 wt%.
Embodiment 3
[0031] In a single reactor, tert-butanol is used as the single solvent; the volume ratio of solvent to vinyl acetate is 2:1; the initiator is azobisisobutyronitrile, and the amount is 3.0wt% of vinyl acetate; polymerization temperature The temperature is 65°C, the ethylene pressure is 13.0MPa, and the reaction time is 4 hours. Under this condition, the VAc content in the polymerized product was 57.6% by weight.
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