JP2016030752A5

JP2016030752A5 -

Info

Publication number: JP2016030752A5
Application number: JP2015051942A
Authority: JP
Filing date: 2015-03-16
Publication date: 2017-06-08
Anticipated expiration: 2034-07-29

Claims

A method for producing a composite material comprising a silane-treated filler, a polymerizable monomer, and a polymerization initiator,
A method for producing a composite material, comprising sequentially performing a mixed polymerizable monomer preparation step, a mixed polymerizable monomer storage step, and a composite material production step shown below.
The mixed polymerizable monomer preparation step is a step of mixing a polymerizable monomer and a polymerization initiator to prepare a mixed polymerizable monomer,
The mixed polymerizable monomer storage step refers to 1 to 50 liters of mixed polymerizable monomer prepared in the mixed polymerizable monomer preparation step, the storage temperature is 1 to 23 ° C., and the storage period is 10 The process of storing under the condition of the day to 1.5 years,
-The composite material manufacturing process is a process of manufacturing a composite material by mixing a mixed polymerizable monomer and a silane-treated filler.

In the composite material manufacturing process, after adding 0.1 to 9 parts by weight of the silane treatment filler in 1 part by weight of the mixed polymerizable monomer, the silane treatment is performed at 5 to 60 ° C. for 5 to 40 minutes. The filler kneading step is performed, and then defoaming is performed while kneading the mixed polymerizable monomer and the silane-treated filler at 5 to 200 Torr and a defoaming time of 5 to 30 minutes. 2. A method for producing a composite material according to 1.

In the composite material production process, after adding 0.01 to 0.2 part by weight of the fine particle filler to 1 part by weight of the mixed polymerizable monomer, mixing is performed at 5 to 60 ° C. for 5 to 30 minutes. The polymerizable monomer and the fine particle filler are kneaded, and then the mixed polymerizable monomer and the fine particle filler are defoamed at 5 to 200 Torr and the defoaming time is 5 to 30 minutes. After the addition of 0.1 to 9 parts by weight, the mixed polymerizable monomer, the fine particle filler, and the silane-treated filler are kneaded at 5 to 60 ° C. for 5 to 40 minutes, and thereafter 5 to 200 Torr. The method for producing a composite material according to claim 1, wherein the defoaming time is 5 to 30 minutes while the mixed polymerizable monomer, the fine particle filler, and the silane-treated filler are kneaded. .

In the said mixed polymerizable monomer preparation process, mixing temperature is 1-60 degreeC and mixing time is 1 minute-24 hours, The composite material as described in any one of Claims 1-3 characterized by the above-mentioned. Production method.

5. The method for producing a composite material according to claim 1, further comprising a composite material storage step shown below after the completion of the composite material production step. 6.
The composite material storage step is a step of storing 1 to 8 liters of composite material manufactured in the composite material manufacturing step within a storage temperature of 1 to 25 ° C. and a storage period of 10 days to 1.5 years.

6. The method for producing a composite material according to claim 5, further comprising a composite material evaluation step in the composite material storage step.

The composite material manufacturing method according to claim 5 or 6, further comprising a composite material filling step described below after the composite material storage step.
The composite material filling step is a step of filling a small amount storage container having a capacity of 1 to 50 cc with the composite material extruded from the nozzle using a filling machine.

The method for producing a composite material according to any one of claims 1 to 7, further comprising a mixed polymerizable monomer evaluation step in the mixed polymerizable monomer storage step.

It is a composite material manufactured by the manufacturing method of the composite material as described in any one of Claims 1-8, Comprising: The said composite material sets a flow value 120 days after manufacture completion as a, 3 years after completion of manufacture A composite material, wherein the flow value is b and the flow rate reduction rate (ab) / a is 10% or less.

In a composite material containing a silane-treated filler, a polymerizable monomer, and a polymerization initiator,
A mixed polymerizable monomer preparation step of preparing a mixed polymerizable monomer by mixing a polymerizable monomer and a polymerization initiator;
A mixed polymerizable monomer storage step for storing the mixed polymerizable monomer in a storage container;
A composite material manufacturing process for manufacturing a composite material by mixing a mixed polymerizable monomer and a silane treatment filler,
A composite material storage process for storing the composite material in a storage container;
Composite material filling process for filling a small amount of composite material into a storage container,
It is a composite material obtained through a small-scale storage container storage step for storing in a filled small-volume storage container,
The composite material is characterized in that a flow value after 120 days from the end of production is a, a flow value after 3 years from the end of production is b, and the rate of decrease in flow value (ab) / a is 10% or less. material.

In a composite material containing a silane-treated filler, a polymerizable monomer, and a polymerization initiator,
A mixed polymerizable monomer preparation step of preparing a mixed polymerizable monomer by mixing a polymerizable monomer and a polymerization initiator;
A composite material manufacturing process for manufacturing a composite material by mixing a mixed polymerizable monomer and a silane treatment filler,
Composite material filling process for filling a small amount of composite material into a storage container,
It is a composite material obtained through a small-scale storage container storage step for storing in a filled small-volume storage container,
In the composite material manufacturing process, the fine particle filler kneading step, the fine particle filler kneading defoaming step, the silane treatment filler kneading step and the silane treatment filler kneading defoaming step are sequentially performed,
The composite material is characterized in that a flow value after 120 days from the end of production is a, a flow value after 3 years from the end of production is b, and the rate of decrease in flow value (ab) / a is 10% or less. material.

The application which uses the composite material as described in any one of Claims 9-11 for dentistry.