Thiol methacrylate or acrylate, method of making same and a lens

Details Thiol methacrylate or acrylate, method of making same and a lens Thiol methacrylate or acrylate, method of making same and a lens

1993-12-17

1995-03-21

Henderson, Christopher

Organic compounds -- part of the class 532-570 series

Organic compounds

Esters having the thiocarboxylate group, -cx-, wherein the...

C07C32720

Patent

active

053997352

ABSTRACT:
A thiol methacrylate or acrylate compound represented by the formula (1) or (2): ##STR1## wherein R.sup.1 is H or CH.sub.3 and X is selected from: ##STR2## wherein R.sup.1 is H or CH.sub.3 and m is an integer of 1 to 4. The thiol methacrylate or acrylate compound gives a resin having a high refractive index, a large Abbe number, and a good hardness and heat resistance, and giving little or no smell at processing.

REFERENCES:
patent: 4931521 (1990-06-01), Matsuda et al.
Chemical Abstracts, 215448, vol. 111, 1989.

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