Sulfur-containing aromatic vinyl compound, crosslinked polymer a

Details Sulfur-containing aromatic vinyl compound, crosslinked polymer a Sulfur-containing aromatic vinyl compound, crosslinked polymer a

1990-06-01

1991-07-23

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

350409, 568 55, C08G 1867

Patent

active

050344927

ABSTRACT:
A novel sulfur-containing aromatic vinyl compound represented by the following general formula (I) ##STR1## wherein R.sub.1 represents an alkylene group having 1 to 3 carbon atoms and R.sub.2 represents an alkylene group having 2 to 8 carbon atoms, and the two bonds in the benzene ring are meta or para to each other. A curable composition comprising at least one of the said vinyl compounds, an isocyanate compound and a radical polymerization initiator. On heating, the composition gives a crosslinked polymer article useful as lenses.

REFERENCES:
patent: 2780567 (1957-02-01), Kine et al.
patent: 2858297 (1958-10-01), Melamed
patent: 2879250 (1959-03-01), Eisenmann et al.
patent: 3062892 (1962-11-01), Schneider
patent: 3078259 (1963-02-01), Hatch et al.

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