Tokuyama Soda Kabushiki Kaisha

Sunao Urabe

Koshi Kusumoto

Shouichi Narui

Norikazu Hattori

This invention relates to an impression material composition comprising an alginate and a gelling agent and being hardened in the presence of water, an unsaturated carboxylic acid polymer being contained in an amount of 5 to 150 parts by weight per 100 parts by weight of the alginate.

Impression material compositions

A curable composition comprising an unsaturated polyether having terminal alkenyl groups, a linear or branched siloxane-substituted polyether having terminal polyorganosiloxane residues and at least two Si-H groups in the molecule and a catalyst having platinum as the main component has an excellent deep portion curing property and provides a cured body having a good hydrophilic property and a good dimensional reproducibility. This curable composition is especially valuable as a dental impression material.

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Tokuyama, Japan

Sunao Urabe