Composition containing a polymerizable reducing agent, kit, and method
Assignee3M Innovative Properties Company
InventorsSumita B. Mitra, Afshin Falsafi
Life of this patent
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Abstract
The present invention provides a hardenable (i.e., curable by polymerization, crosslinking, ionic, or other chemical reaction) composition that includes polymerizable urea or thiourea compounds that function as reductants (i.e., reducing agents) in redox polymerization reactions.
Claims62
A hardenable composition comprising:
- a hardenable resin system comprising an acid-functional component and an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 9
- wherein X is O or S;
- and
- an oxidizing agent.
A hardenable composition comprising:
- a hardenable resin system comprising an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 10
- wherein X is O or S;
- a secondary reducing agent;
- and
- an oxidizing agent.
A hardenable composition comprising:
- a hardenable resin system comprising an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 11
- wherein X is O or S;
- and
- a non-peroxide-containing oxidizing agent.
A hardenable composition comprising:
- a hardenable resin system comprising an ethylenically unsaturated component;
- a polymerizable reducing agent of the formula:
- 12
- and an oxidizing agent.
A hardenable composition comprising:
- a hardenable resin system comprising an acid-functional component and an ethylenically unsaturated component;
- an acid-reactive filler;
- a polymerizable reducing agent comprising a functional group of the formula:
- 13
- wherein X is O or S;
- optionally a secondary reducing agent;
- and
- an oxidizing agent.
A kit comprising one or more containers whose contents collectively comprise:
- a hardenable resin system comprising an acid-functional component and an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 14
- wherein X is O or S;
- and
- an oxidizing agent.
A kit comprising one or more containers whose contents collectively comprise:
- a hardenable resin system comprising an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 15
- wherein X is O or S;
- a secondary reducing agent;
- and
- an oxidizing agent.
A kit comprising one or more containers whose contents collectively comprise:
- a hardenable resin system comprising an acid-functional component and an ethylenically unsaturated component;
- an acid-reactive filler;
- a polymerizable reducing agent comprising a functional group of the formula:
- 16
- wherein X is O or S;
- optionally a secondary reducing agent;
- and
- an oxidizing agent.
A method of making a hardenable composition, the method comprising:
- providing a resin system comprising an acid-functional component and an ethylenically unsaturated component;
- providing a polymerizable reducing agent comprising a functional group of the formula:
- 17
- wherein X is O or S;
- optionally providing an acid-reactive filler;
- optionally providing a secondary reducing agent;
- providing an oxidizing agent;
- and
- mixing the resin system, the reducing agent, the optional acid-reactive filler, the optional secondary reducing agent, and the oxidizing agent to form the composition.
A method of making a hardenable composition, the method comprising:
- providing a hardenable resin system comprising an ethylenically unsaturated component;
- providing a polymerizable reducing agent comprising a functional group of the formula:
- 18
- wherein X is O or S;
- providing a secondary reducing agent;
- providing an oxidizing agent;
- and
- mixing the resin system, the reducing agent, the secondary reducing agent, and the oxidizing agent to form the composition.
A method of cementing a dental article to a tooth or bone, the method comprising:
- providing a dental article;
- providing a hardenable composition comprising:
- a resin system comprising an acid-functional component and an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 19
- wherein X is O or S;
- an optional acid-reactive filler;
- an optional secondary reducing agent;
- and
- an oxidizing agent;
- and
- cementing the dental article to the tooth or bone using the hardenable composition.
A method of cementing a dental article to a tooth or bone, the method comprising:
- providing a dental article;
- providing a hardenable composition comprising:
- a hardenable resin system comprising an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 20
- wherein X is O or S;
- a secondary reducing agent;
- and
- an oxidizing agent;
- and
- cementing the dental article to the tooth or bone using the hardenable composition.
A method of filling a tooth, the method comprising:
- providing a hardenable composition comprising:
- a resin system comprising an acid-functional component and an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 21
- wherein X is O or S;
- an optional acid-reactive filler;
- an optional secondary reducing agent;
- and
- an oxidizing agent;
- and
- applying the hardenable composition to the tooth.
A method of filling a tooth, the method comprising:
- providing a hardenable composition comprising:
- a hardenable resin system comprising an ethylenically unsaturated component;
- a polymerizable reducing agent comprising a functional group of the formula:
- 22
- wherein X is O or S;
- a secondary reducing agent;
- and
- an oxidizing agent;
- and
- applying the hardenable composition to the tooth.
A compound of the formula:
- 23
Dependencies are inferred from the claim text.