WO2021049335A1 - 歯科用重合性組成物 - Google Patents
歯科用重合性組成物 Download PDFInfo
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- WO2021049335A1 WO2021049335A1 PCT/JP2020/032737 JP2020032737W WO2021049335A1 WO 2021049335 A1 WO2021049335 A1 WO 2021049335A1 JP 2020032737 W JP2020032737 W JP 2020032737W WO 2021049335 A1 WO2021049335 A1 WO 2021049335A1
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- Prior art keywords
- meth
- acrylate
- polymerizable composition
- dental polymerizable
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/60—Preparations for dentistry comprising organic or organo-metallic additives
- A61K6/61—Cationic, anionic or redox initiators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/20—Protective coatings for natural or artificial teeth, e.g. sealings, dye coatings or varnish
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
- A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
- C08F220/36—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
Definitions
- the present invention relates to a dental polymerizable composition.
- dental cement is used when attaching the prosthesis.
- a dental polymerizable composition other than dental cement a protective material for hypersensitivity, a pediatric sealant, etc. are used.
- a dental polymerizable composition As an example of a dental polymerizable composition, a two-part type having a (meth) acrylate, a thiourea derivative, a first agent containing a vanadium compound, a (meth) acrylate, and a second agent containing an organic peroxide.
- Dental polymerizable compositions are known (see, for example, Patent Document 1).
- One aspect of the present invention is to provide a two-agent type dental polymerizable composition having excellent storage stability.
- One aspect of the present invention is, in a dental polymerizable composition, a (meth) acrylate, a thiourea derivative, a vanadium compound, a first agent containing a ⁇ -diketone, a (meth) acrylate, and an organic peroxide.
- a second agent containing has a second agent containing.
- the dental polymerizable composition of the present embodiment contains a (meth) acrylate, a thiourea derivative, a vanadium compound, a first agent containing a ⁇ -diketone, a (meth) acrylate, and an organic peroxide. It is a two-agent type dental polymerizable composition having two agents.
- Examples of the properties of the first agent and the second agent include a paste.
- the mass ratio of the first agent and the second agent of the dental polymerizable composition of the present embodiment is usually 10: 1 to 1:10.
- the dental polymerizable composition of the present embodiment is usually used by kneading the first agent and the second agent.
- the dental polymerizable composition of the present embodiment can be applied to dental cement, a protective material for hypersensitivity, a pediatric sealant, and the like.
- the (meth) acrylate means a compound having one or more (meth) acryloyloxy groups (for example, a monomer, an oligomer, a prepolymer). Further, the (meth) acryloyloxy group means a methacryloyloxy group and / or an acryloyloxy group.
- the (meth) acrylate may or may not have an acid group, but the dental polymerizable composition of the present embodiment contains a (meth) acrylate having an acid group. It is preferable to include it. Thereby, the adhesiveness of the dental polymerizable composition of the present embodiment can be improved.
- Examples of the (meth) acrylate having an acid group include a (meth) acrylate having a phosphoric acid group, a (meth) acrylate having a pyrophosphate group, a (meth) acrylate having a thiophosphate group, and a (meth) having a carboxyl group.
- Examples thereof include acrylates, (meth) acrylates having a sulfonic acid group, (meth) acrylates having a phosphonic acid group, and two or more thereof may be used in combination.
- a (meth) acrylate having a phosphoric acid group or a thiophosphate group is preferable in terms of adhesiveness of the dental polymerizable composition of the present embodiment.
- the (meth) acrylate having an acid group may have a plurality of acid groups.
- an acid chloride, an alkali metal salt, an amine salt or the like of the (meth) acrylate having an acid group may be used.
- Examples of the (meth) acrylate having a phosphoric acid group include 2- (meth) acryloyloxyethyl dihydrogenphosphate, bis [2- (meth) acryloyloxyethyl] hydrogen phosphate, and 2- (meth) acryloyloxyethyl.
- 10-methacryloyloxydecyldihydrogen phosphate is preferable from the viewpoint of adhesiveness of the dental polymerizable composition of the present embodiment.
- Examples of the (meth) acrylate having a pyrophosphate group include bis pyrophosphate [2- (meth) acryloyloxyethyl], bis pyrophosphate [4- (meth) acryloyloxybutyl], and bis pyrophosphate [6- (meth). ) Acryloyloxyhexyl], bis pyrophosphate [8- (meth) acryloyloxyoctyl], bis pyrophosphate [10- (meth) acryloyloxydecyl] and the like.
- Examples of the (meth) acrylate having a thiophosphate group include 2- (meth) acryloyloxyethyl dihydrogenthiophosphate, 3- (meth) acryloyloxypropyldihydrogenthiophosphate, and 4- (meth) acryloyloxybutyl.
- Dihydrogenthiophosphate 5- (meth) acryloyloxypentyl dihydrogenthiophosphate, 6- (meth) acryloyloxyhexyl dihydrogenthiophosphate, 7- (meth) acryloyloxyheptyl dihydrogenthiophosphate, 8- (Meta) Acryloyloxyoctyldihydrogenthiophosphate, 9- (Meta) Acryloyloxynonyldihydrogenthiophosphate, 10- (Meta) Acryloyloxydecyldihydrogenthiophosphate, 11- (Meta) Acryloyloxyundecyldi Hydrogenthiophosphate, 12- (meth) acryloyl oxide decyldihydrogenthiophosphate, 13- (meth) acryloyloxytridecyldihydrogenthiophosphate, 14- (meth) acryloyloxytetradecyldihydrogenthiophosphate
- Examples of the (meth) acrylate having a carboxyl group include 4- (meth) acryloyloxyethyl trimellitic acid, 4- (meth) acryloyloxyethyltrimellitic acid anhydride, and 4- (meth) acryloyloxydecyltrimellitic acid.
- Examples of the (meth) acrylate having a sulfonic acid group include 2- (meth) acrylamide-2-methylpropanesulfonic acid, styrenesulfonic acid, 2-sulfoethyl (meth) acrylate and the like.
- Examples of the (meth) acrylate having a phosphonic acid group include 2- (meth) acryloyloxyethylphenylphosphonate, 5- (meth) acryloyloxypentyl-3-phosphonopropionate, and 6- (meth) acryloyloxyhexyl. -3-Phosphonopropionate, 10- (meth) acryloyloxydecyl-3-phosphonopropionate, 6- (meth) acryloyloxyhexyl-3-phosphonoacetate, 10- (meth) acryloyloxydecyl- Examples thereof include 3-phosphonoacetate.
- the content of the (meth) acrylate having an acid group in the dental polymerizable composition of the present embodiment is preferably 0.1 to 20% by mass, and further preferably 0.5 to 10% by mass. preferable.
- the content of the (meth) acrylate having an acid group in the dental polymerizable composition of the present embodiment is 0.1% by mass or more, the adhesiveness of the dental polymerizable composition of the present embodiment is further improved.
- the curability of the dental polymerizable composition of the present embodiment is further improved.
- Examples of the (meth) acrylate having no acid group include methyl (meth) acrylate, ethyl (meth) acrylate, isopropyl (meth) acrylate, n-butyl (meth) acrylate, isobutyl (meth) acrylate, and hydroxypropyl (meth) acrylate.
- Meta acrylate, tetrahydrofurfuryl (meth) acrylate, glycidyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-methoxyethyl ( Meta) acrylate, 2-ethoxyethyl (meth) acrylate, 2-methylhexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, benzyl (meth) acrylate, 2-hydroxy-1,3-di (meth) acryloyloxy Propane, ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, butylene glycol di (meth) acrylate, neopentyl glycol di (meth) acrylate, 1,3-butanediol
- di-2- (meth) acryloyloxyethyl-2,2,4-trimethylhexamethylene dicarbamate, 2- Hydroxy-1,3-di (meth) acryloyloxypropane is preferred.
- the content of the (meth) acrylate having no acid group in the dental polymerizable composition of the present embodiment is preferably 10 to 95% by mass, more preferably 15 to 80% by mass.
- the content of the acid group-free (meth) acrylate in the dental polymerizable composition of the present embodiment is 10% by mass or more and 95% by mass or less, the operation of the dental polymerizable composition of the present embodiment The sex is further improved.
- Organic peroxide functions as an oxidizing agent for the chemical polymerization initiator.
- organic peroxide examples include benzoyl peroxide, cumene hydroperoxide, t-butyl hydroperoxide, t-amyl hydroperoxide, 1,1,3,3-tetramethylbutyl hydroperoxide, and 2,5-dimethyl-2. , 5-Di (hydroperoxy) hexane, p-diisopropylbenzene monohydroperoxide, p-methane hydroperoxide, pinan hydroperoxide and the like, and two or more of them may be used in combination.
- cumene hydroperoxide is preferable from the viewpoint of curability of the dental polymerizable composition of the present embodiment.
- the content of the organic peroxide in the dental polymerizable composition of the present embodiment is preferably 0.01 to 5% by mass, more preferably 0.1 to 2% by mass.
- the content of the organic peroxide in the dental polymerizable composition of the present embodiment is 0.01% by mass or more, the curability of the dental polymerizable composition of the present embodiment is further improved to 5% by mass.
- it is less than% the operation margin time of the dental polymerizable composition of the present embodiment becomes longer.
- the thiourea derivative functions as a reducing agent for the chemical polymerization initiator.
- thiourea derivative examples include ethylene thiourea, N-methylthiourea, N-ethylthiourea, N-propylthiourea, N-butylthiourea, N-laurylthiourea, N-phenylthiourea, N-cyclohexylthiourea, N, N.
- N-Dimethylthiourea N, N-diethylthiourea, N, N-dipropylthiourea, N, N-dibutylthiourea, N, N-dilaurylthiourea, N, N-diphenylthiourea, N, N-dicyclohexylthiourea, trimethylthiourea Urea, tetramethylthiourea, N-acetylthiourea, N-benzoylthiourea, 1-allyl-3- (2-hydroxyethyl) -2-thiourea, 1- (2-tetrahydrofurfuryl) -2-thiourea, Examples thereof include N-tert-butyl-N'-isopropylthiourea and 2-pyridylthiourea, and two or more of them may be used in combination. Among these, N-benzoylthiourea is preferable from the viewpoint of curability of the dental polymerizable composition
- the content of the thiourea derivative in the dental polymerizable composition of the present embodiment is preferably 0.1 to 5% by mass, more preferably 0.1 to 1% by mass.
- the content of the thiourea derivative in the dental polymerizable composition of the present embodiment is 0.1% by mass or more, the curability of the dental polymerizable composition of the present embodiment is further improved and 5% by mass.
- the solubility of the thiourea derivative in the (meth) acrylate in the dental polymerizable composition of the present embodiment is further improved.
- vanadium compound functions as a reducing agent for the chemical polymerization initiator.
- vanadium compound examples include oxovanadium oxalate, vanadyl acetylacetonate, vanadyl acetylacetonate, vanadyl stearate, vanadium naphthenate, vanadyl benzoyl acetonate, and the like, and two or more of them may be used in combination.
- vanadyl acetylacetonate is preferable from the viewpoint of curability of the dental polymerizable composition of the present embodiment.
- the content of the vanadium compound in the dental polymerizable composition of the present embodiment is preferably 0.001 to 1% by mass, and more preferably 0.002 to 0.1% by mass.
- the content of the vanadium compound in the dental polymerizable composition of the present embodiment is 0.001% by mass or more, the curability of the dental polymerizable composition of the present embodiment is further improved and is 1% by mass or less. Then, the storage stability of the dental polymerizable composition of the present embodiment is further improved.
- ⁇ -diketone is a general formula
- R 1 and R 2 are alkyl or aryl groups having 1 to 7 carbon atoms which may be substituted with halogen atoms, respectively, and R 3 and R 4 are independently hydrogen.
- It is preferably a compound represented by.
- ⁇ -diketone examples include acetylacetone, 3,5-heptandione, 1-phenyl-1,3-butandione, 3-ethyl-2,4-pentanedione, dipivaloylmethane, and 2,6-dimethyl-.
- the content of ⁇ -diketone in the dental polymerizable composition of the present embodiment is preferably 0.005 to 5% by mass, more preferably 0.01 to 2.5% by mass.
- the storage stability of the dental polymerizable composition of the present embodiment is further improved and 5% by mass.
- it is less than% the curability of the dental polymerizable composition of the present embodiment is further improved.
- the mass ratio of ⁇ -diketone to the vanadium compound is preferably 0.1 to 500, and more preferably 0.5 to 300.
- the mass ratio of ⁇ -diketone to the vanadium compound is 0.1 or more, the storage stability of the dental polymerizable composition of the present embodiment is further improved, and when it is 500 or less, the dental polymerization of the present embodiment is performed.
- the curability of the sex composition is further improved.
- the first agent may further contain a tertiary amine.
- the tertiary amine functions as a reducing agent for the chemical polymerization initiator.
- the tertiary amine may be either a tertiary aliphatic amine or a tertiary aromatic amine, but is preferably a tertiary aromatic amine, and is p-dialkylaminoalkyl benzoate. Is particularly preferable.
- tertiary aliphatic amine examples include N, N-dimethylaminoethyl methacrylate, triethanolamine and the like.
- alkyl p-dialkylaminobenzoate examples include methyl p-dimethylaminobenzoate, ethyl p-dimethylaminobenzoate, propyl p-dimethylaminobenzoate, amyl p-dimethylaminobenzoate, and p-dimethylaminobenzoic acid. Examples thereof include isoamyl, ethyl p-diethylaminobenzoate, and propyl p-diethylaminobenzoate.
- Examples of the tertiary aromatic amine other than alkyl p-dialkylaminobenzoate include 7-dimethylamino-4-methylcoumarin, N, N-dimethylaniline, N, N-dibenzylaniline, N, N-dimethyl.
- the tertiary amine may be used alone or in combination of two or more.
- the first agent and / or the second agent may further contain a polymerization inhibitor, a photopolymerization initiator, a filler, a chelating agent and the like.
- polymerization inhibitor examples include dibutylhydroxytoluene, 6-tert-butyl-2,4-xylenol, 2,6-di-tert-butyl-p-cresol and the like, and even if two or more of them are used in combination. Good.
- photopolymerization initiator examples include camphorquinone, phenylbis (2,4,6-trimethylbenzoyl) phosphine oxide, 2,4,6-trimethylbenzoyl diphenylphosphine, benzyl ketal, diacetyl ketal, benzyl dimethyl ketal, and the like.
- filler examples include silicic anhydride powder, fumed silica, alumina powder, glass powder (for example, barium glass powder, fluoroaluminosilicate glass powder) and the like, and two or more of them may be used in combination.
- the filler may be treated with a surface treatment agent such as a silane coupling agent.
- the content of the filler in the dental polymerizable composition of the present embodiment is preferably 4 to 90% by mass, more preferably 15 to 80% by mass.
- the content of the filler in the dental polymerizable composition of the present embodiment is 4% by mass or more, the mechanical strength of the cured product of the dental polymerizable composition of the present embodiment is further improved to 90% by mass.
- the operability of the dental polymerizable composition of the present embodiment is further improved.
- chelating agent examples include edetates such as ethylenediaminetetraacetic acid disodium dihydrogen, ethylenediaminetetraacetic acid, ethylenediaminetetraacetic acid trisodium, and ethylenediaminetetraacetic acid tetrasodium, trans-1,2-cyclohexanediaminetetraacetic acid, and hydroxyethylethylenediamine.
- edetates such as ethylenediaminetetraacetic acid disodium dihydrogen, ethylenediaminetetraacetic acid, ethylenediaminetetraacetic acid trisodium, and ethylenediaminetetraacetic acid tetrasodium, trans-1,2-cyclohexanediaminetetraacetic acid, and hydroxyethylethylenediamine.
- Phosphates such as triacetate, diethylenetriaminepentaacetic acid, ethylenediaminetetramethylenephosphonic acid, nitrilotrismethylenephosphonic acid, phytic acid, oxalic acid, polyaspartic acid, polyglutamic acid, polyphosphate, metaphosphate, pyrophosphate, hexametaphosphate , Phosphoric acid, citric acid, lactic acid, alanine, tannin, dihydroxyethylglycine, gluconic acid, salicylic acid, succinic acid, malic acid, tartaric acid, salts thereof and the like, and two or more thereof may be used in combination.
- GDMA 2-Hydroxy-1,3-dimethacryloyloxypropane
- UDMA di-2-methacryloyloxyethyl-2,2,4-trimethylhexamethylene dicarbamate
- VAA vanadyl acetylacetone acac: acetylacetone
- NBTU N-benzoylthio
- Urea silica powder 1 RAF1000 (manufactured by Tatsumori)
- Silica powder 2 Aerosil R812 (hydrophobic fumed silica) (manufactured by Nippon Aerosil)
- EPA Ethyl p-dimethylaminobenzoate
- CQ Camphorquinone IA: 6-tert-butyl-2,4-xylenol
- MDP 10-methacryloyloxydecyldihydrogen phosphate
- CHP Cumene hydroperoxide EDTA salt: Ethylenediaminete
- the criteria for determining storage stability are as follows.
- the two-agent type dental polymerizable composition of Comparative Example 1 has low storage stability because the paste 1 does not contain ⁇ -diketone.
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Abstract
Description
本実施形態の歯科用重合性組成物は、(メタ)アクリレートと、チオ尿素誘導体と、バナジウム化合物と、β-ジケトンを含む第一剤と、(メタ)アクリレートと、有機過酸化物を含む第二剤を有する二剤型の歯科用重合性組成物である。
本願明細書及び特許請求の範囲において、(メタ)アクリレートとは、(メタ)アクリロイルオキシ基を1個以上有する化合物(例えば、モノマー、オリゴマー、プレポリマー)を意味する。また、(メタ)アクリロイルオキシ基とは、メタクリロイルオキシ基及び/又はアクリロイルオキシ基を意味する。
有機過酸化物は、化学重合開始剤の酸化剤として、機能する。
チオ尿素誘導体は、化学重合開始剤の還元剤として、機能する。
バナジウム化合物は、化学重合開始剤の還元剤として、機能する。
β-ジケトンは、一般式
で表される化合物であることが好ましい。
第一剤は、第3級アミンをさらに含んでいてもよい。
(ペースト1の調製)
表1に示す配合[質量%]で、酸基を有さないメタクリレートと、バナジウム化合物と、β-ジケトンと、チオ尿素誘導体と、フィラーと、第3級アミンと、光重合開始剤と、重合禁止剤を混合し、ペースト1を得た。
表1に示す配合[質量%]で、酸基を有さないメタクリレートと、酸基を有するメタクリレートと、有機過酸化物と、フィラーと、キレート剤と、重合禁止剤を混合し、ペースト2を得た。
UDMA:ジ-2-メタクリロイルオキシエチル-2,2,4-トリメチルヘキサメチレンジカルバメート
VAA:バナジルアセチルアセトネート
acac:アセチルアセトン
NBTU:N-ベンゾイルチオ尿素
シリカ粉末1:RAF1000(龍森製)
シリカ粉末2:アエロジルR812(疎水性ヒュームドシリカ)(日本アエロジル製)
EPA:p-ジメチルアミノ安息香酸エチル
CQ:カンファーキノン
IA:6-tert-ブチル-2,4-キシレノール
MDP:10-メタクリロイルオキシデシルジハイドロジェンホスフェート
CHP:クメンヒドロペルオキシド
EDTA塩:エチレンジアミン四酢酸二水素二ナトリウム二水和物
次に、ペースト1、2(二剤型の歯科用重合性組成物)の保存安定性を評価した。
二剤型の歯科用重合性組成物の保存安定性を評価するために、加速試験を実施した。具体的には、ペースト1、2を60℃で10日間保存した後、保存する前後のペースト1、2を質量比1.3:1で練和して、硬化時間を測定した。ここで、内径8mm、厚さ2mmのアクリルリングに、ペースト1、2の練和物を充填した後、赤外放射温度計を用いて、ペースト1、2の練和物の温度を測定することにより、硬化時間を測定した。
良:保存する前後の硬化時間の変化が60秒を超え、150秒以下である場合
不可:保存する前後の硬化時間の変化が150秒を超える場合
表1に、二剤型の歯科用重合性組成物の保存安定性の評価結果を示す。
Claims (4)
- (メタ)アクリレートと、チオ尿素誘導体と、バナジウム化合物と、β-ジケトンを含む第一剤と、
(メタ)アクリレートと、有機過酸化物を含む第二剤を有する、歯科用重合性組成物。 - 前記第一剤は、前記β-ジケトンの含有量が0.01~10質量%である、請求項1に記載の歯科用重合性組成物。
- 前記バナジウム化合物に対する前記β-ジケトンの質量比が0.1~500である、請求項1に記載の歯科用重合性組成物。
- 前記β-ジケトンは、アセチルアセトンである、請求項1に記載の歯科用重合性組成物。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20862039.3A EP4029491A4 (en) | 2019-09-10 | 2020-08-28 | Dental polymerizable composition |
| JP2021545220A JP7233554B2 (ja) | 2019-09-10 | 2020-08-28 | 歯科用重合性組成物 |
| US17/753,408 US12329832B2 (en) | 2019-09-10 | 2020-08-28 | Dental polymerizable composition |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019164833 | 2019-09-10 | ||
| JP2019-164833 | 2019-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021049335A1 true WO2021049335A1 (ja) | 2021-03-18 |
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ID=74866152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2020/032737 Ceased WO2021049335A1 (ja) | 2019-09-10 | 2020-08-28 | 歯科用重合性組成物 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12329832B2 (ja) |
| EP (1) | EP4029491A4 (ja) |
| JP (1) | JP7233554B2 (ja) |
| WO (1) | WO2021049335A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021205324A1 (en) * | 2020-04-08 | 2021-10-14 | 3M Innovative Properties Company | Curable compositions and methods of using the same |
| WO2023058770A1 (ja) * | 2021-10-08 | 2023-04-13 | クラレノリタケデンタル株式会社 | ペースト状の二剤型歯科用硬化性組成物 |
| JP2024515771A (ja) * | 2021-04-29 | 2024-04-10 | スリーエム イノベイティブ プロパティズ カンパニー | 重合性チオ尿素成分を含む開始剤系、歯科用組成物及びその使用 |
| EP4413968A4 (en) * | 2021-10-08 | 2026-04-01 | Kuraray Noritake Dental Inc | Hardening Dental Composition and Dental Kit |
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- 2020-08-28 WO PCT/JP2020/032737 patent/WO2021049335A1/ja not_active Ceased
- 2020-08-28 EP EP20862039.3A patent/EP4029491A4/en active Pending
- 2020-08-28 US US17/753,408 patent/US12329832B2/en active Active
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| JP2012051856A (ja) | 2010-09-03 | 2012-03-15 | Gc Corp | 重合性組成物 |
| WO2014156077A1 (ja) * | 2013-03-28 | 2014-10-02 | クラレノリタケデンタル株式会社 | 硬化性組成物 |
| US20190164833A1 (en) | 2017-11-30 | 2019-05-30 | Disco Corporation | Laser processing method for wafer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021205324A1 (en) * | 2020-04-08 | 2021-10-14 | 3M Innovative Properties Company | Curable compositions and methods of using the same |
| US12209172B2 (en) | 2020-04-08 | 2025-01-28 | 3M Innovative Properties Company | Curable compositions and methods of using the same |
| JP2024515771A (ja) * | 2021-04-29 | 2024-04-10 | スリーエム イノベイティブ プロパティズ カンパニー | 重合性チオ尿素成分を含む開始剤系、歯科用組成物及びその使用 |
| JP7797531B2 (ja) | 2021-04-29 | 2026-01-13 | ソルベンタム インテレクチュアル プロパティズ カンパニー | 重合性チオ尿素成分を含む開始剤系、歯科用組成物及びその使用 |
| WO2023058770A1 (ja) * | 2021-10-08 | 2023-04-13 | クラレノリタケデンタル株式会社 | ペースト状の二剤型歯科用硬化性組成物 |
| EP4413966A4 (en) * | 2021-10-08 | 2026-03-25 | Kuraray Noritake Dental Inc | TWO-PART HARDENING COMPOSITION IN THE FORM OF A PASTE FOR DENTAL USE |
| EP4413968A4 (en) * | 2021-10-08 | 2026-04-01 | Kuraray Noritake Dental Inc | Hardening Dental Composition and Dental Kit |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4029491A4 (en) | 2023-11-22 |
| EP4029491A1 (en) | 2022-07-20 |
| JPWO2021049335A1 (ja) | 2021-03-18 |
| US12329832B2 (en) | 2025-06-17 |
| JP7233554B2 (ja) | 2023-03-06 |
| US20220296476A1 (en) | 2022-09-22 |
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