Ethylene-vinyl acetate copolymer and preparation method thereof
US11584814B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Jul 4, 2019 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Nov 5, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/50
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are an ethylene-vinyl acetate copolymer having a high degree of crosslinking by controlling a temperature difference in an autoclave reactor and an input ratio of an initiator during polymerization, even though a reduced amount of a crosslinking agent is used, and a preparation method thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.