Method for preparing ethylene copolymer
US10150826B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jul 23, 2015 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Jul 23, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2323/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing an ethylene copolymer in the presence of free-radical polymerization initiator at pressures from 150 MPa to 350 MPa and temperatures from 100° C. to 350° C., by copolymerizing ethylene and a comonomer having a C≡C bond and optionally further comonomers, wherein the comonomer having the C≡C bond is represented by formula wherein wherein X2 is F, Cl, Br or I.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.