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*the functional group −CH=CH2, namely the ‘ethylene’ molecule (H2C=CH2) minus 1 hydrogen atom*
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(the name is also used for any compound containing that group, namely R−CH=CH2 where R is any other group of atoms)
(an industrially important example is ‘vinyl chloride’, precursor to ‘PVC’, a plastic commonly known as ‘vinyl’)
(‘vinyl’ is one of the ‘alkenyl’ functional groups)
(on a carbon skeleton, sp2-hybridized carbons or positions are often called “vinylic”)
(‘allyls’, ‘acrylates’, and ‘styrenics’ contain ‘vinyl groups’)
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*a ‘styrenic crosslinker’ with 2 vinyl groups is called ‘di-vinyl benzene’*
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*SKETCHES*
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