Polymerisable compositions for making transparent polymer substrates, resulting transparent polymer substrates, and uses thereof in optics
The invention is a composition comprising: 40 to 95 parts by weight of one or several monomers (I) of formula (a) wherein: R 1 and R 2 represent H or CH; A represents a divalent radical of formula (b) or (c) wherein m 1 and m 2 represent each an integer ranging between 2 and 6; and 5 to 50 parts by...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention is a composition comprising: 40 to 95 parts by weight of one or several monomers (I) of formula (a) wherein: R
1
and R
2
represent H or CH; A represents a divalent radical of formula (b) or (c) wherein m
1
and m
2
represent each an integer ranging between 2 and 6; and 5 to 50 parts by weight of a monomer (11) comprising at least a urethane unit and at least two (meth)acrylate functions. The invention is useful for making optical and ophthalmic articles. |
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