JP2019014887A - シランベースの移動試薬を含むポリマー材料 - Google Patents
シランベースの移動試薬を含むポリマー材料 Download PDFInfo
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- JP2019014887A JP2019014887A JP2018128024A JP2018128024A JP2019014887A JP 2019014887 A JP2019014887 A JP 2019014887A JP 2018128024 A JP2018128024 A JP 2018128024A JP 2018128024 A JP2018128024 A JP 2018128024A JP 2019014887 A JP2019014887 A JP 2019014887A
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- 229910000077 silane Inorganic materials 0.000 title claims abstract description 56
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000003153 chemical reaction reagent Substances 0.000 title abstract description 22
- 238000012546 transfer Methods 0.000 title abstract description 20
- 239000002861 polymer material Substances 0.000 title abstract 2
- 239000000945 filler Substances 0.000 claims abstract description 71
- -1 polysiloxane Polymers 0.000 claims abstract description 35
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- 239000005548 dental material Substances 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 238000010526 radical polymerization reaction Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 34
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- 238000000034 method Methods 0.000 claims description 21
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- 230000008569 process Effects 0.000 claims description 19
- 125000001931 aliphatic group Chemical group 0.000 claims description 18
- 239000000178 monomer Substances 0.000 claims description 18
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
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- 239000000843 powder Substances 0.000 claims description 12
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
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- 239000003054 catalyst Substances 0.000 claims description 8
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- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical class [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 6
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- FWGZLZNGAVBRPW-UHFFFAOYSA-N alumane;strontium Chemical compound [AlH3].[Sr] FWGZLZNGAVBRPW-UHFFFAOYSA-N 0.000 claims description 5
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- XASAPYQVQBKMIN-UHFFFAOYSA-K ytterbium(iii) fluoride Chemical compound F[Yb](F)F XASAPYQVQBKMIN-UHFFFAOYSA-K 0.000 claims description 5
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims description 4
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- 229910052717 sulfur Inorganic materials 0.000 claims description 4
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- 229920002647 polyamide Polymers 0.000 claims description 3
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 3
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 claims description 3
- 229910003454 ytterbium oxide Inorganic materials 0.000 claims description 3
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- 239000006185 dispersion Substances 0.000 claims description 2
- 150000004756 silanes Chemical class 0.000 abstract description 24
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- CMZQQIRWWBBZRC-UHFFFAOYSA-N 2-(4-methylphenyl)sulfonyloxyprop-2-enoic acid Chemical compound CC1=CC=C(S(=O)(=O)OC(=C)C(O)=O)C=C1 CMZQQIRWWBBZRC-UHFFFAOYSA-N 0.000 description 4
- NZEDMAWEJPYWCD-UHFFFAOYSA-N 3-prop-2-enylsulfonylprop-1-ene Chemical compound C=CCS(=O)(=O)CC=C NZEDMAWEJPYWCD-UHFFFAOYSA-N 0.000 description 4
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
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- BVQVLAIMHVDZEL-UHFFFAOYSA-N 1-phenyl-1,2-propanedione Chemical compound CC(=O)C(=O)C1=CC=CC=C1 BVQVLAIMHVDZEL-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- C07F7/1804—Compounds having Si-O-C linkages
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- 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
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- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/849—Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
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- 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
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- 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
- A61K6/891—Compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- A61K6/896—Polyorganosilicon compounds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
- C07F7/1872—Preparation; Treatments not provided for in C07F7/20
- C07F7/1892—Preparation; Treatments not provided for in C07F7/20 by reactions not provided for in C07F7/1876 - C07F7/1888
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- 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
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- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/28—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen sulfur-containing groups
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- 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
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- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
- C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
- C09C1/30—Silicic acid
- C09C1/3081—Treatment with organo-silicon compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/12—Treatment with organosilicon compounds
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- 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
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
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- C08F222/1065—Esters of polycondensation macromers of alcohol terminated (poly)urethanes, e.g. urethane(meth)acrylates
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Abstract
Description
(項目1)
一般式I
R1は、直鎖もしくは分枝鎖の脂肪族C1〜C9−アルキルラジカル、フェニルまたはアルキル化フェニルラジカルであり、
R2およびR3は、各場合において互いに独立して、存在しないか、または直鎖もしくは分枝鎖の脂肪族C1〜C20−アルキレンラジカルであり、該脂肪族C1〜C20−アルキレンラジカルは、SまたはO原子によって分断され得、
R4、R5、およびR6は、各場合において互いに独立して、−Cl、−O−CH3、−O−C2H5、−CH3または−C2H5であり、
Xは、CH2またはOであり、
Yは、存在しないか、またはOもしくはNR’であり、ここでR’は、HまたはC1〜5−アルキルラジカルであり、そして
Zは、存在しないか、またはO、NR”、−CO−O−、−CO−NR”−、−O−CO−O−、−O−CO−NR”−、もしくは−NR”−CO−NR”−であり、ここでR”は、HまたはC1〜5−アルキルラジカルであり、
そして該ラジカルR2およびR3は、同時に存在しない可能性がなく、そしてR2またはR3が存在しない場合、Zは存在しない、
ラジカル重合性シラン。
(項目2)
R1は、−CH3、−C2H5、フェニルまたはトリルであり、
R2およびR3は、各場合において互いに独立して、存在しないか、または直鎖脂肪族C1〜C10−アルキレンラジカルであり、該直鎖脂肪族C1〜C10−アルキレンラジカルは、O原子によって分断され得、
R4、R5、およびR6は、各場合において互いに独立して、−O−CH3または−O−C2H5であり、
Xは、CH2またはOであり、
Yは、存在しないか、またはOであり、そして
Zは、存在しないか、またはO、−CO−O−、−CO−NH−、−O−CO−O−もしくは−O−CO−NH−である、
上記項目に記載のラジカル重合性シラン。
(項目3)
R1は、−CH3、−C2H5、フェニルまたはトリルであり、
R2は、直鎖脂肪族C2〜C8−アルキレンラジカルであり、該直鎖脂肪族C2〜C8−アルキレンラジカルは、O原子によって分断され得、
R3は、存在しないか、または直鎖脂肪族C1〜C6−アルキレンラジカルであり、
R4、R5、およびR6は、各場合において互いに独立して、−O−CH3または−O−C2H5であり、
Xは、CH2またはOであり、
YはOであり、そして
Zは、存在しないか、または−CO−NH−もしくは−O−CO−NH−である、
上記項目のいずれかに記載のラジカル重合性シラン。
(項目4)
ポリシロキサン縮合物の生成のためのプロセスであって、該プロセスにおいて、上記項目のいずれかに記載の少なくとも1つのシランが、化学量論量または過剰の水と混合され、次いで該混合物が反応させられる、プロセス。
(項目5)
前記シランが有機溶媒に溶解させられ、次いで、該溶液が、水または水と有機溶媒との混合物と混合され、次いで、該混合物が、0℃〜140℃の範囲内の温度で反応させられ、その後、該溶媒および揮発性成分が除去される、上記項目に記載のプロセス。
(項目6)
前記混合物がさらに、触媒と混合される、好ましくは、酸、例えば酢酸または塩酸と、あるいは塩基、例えばアンモニア、アミン、NaOH、メチルイミダゾール、またはフッ化アンモニウムと混合される、上記項目のいずれかに記載のプロセス。
(項目7)
表面修飾フィラーの生成のためのプロセスであって、該プロセスにおいて、フィラーが、有機溶媒中に分散させられ、該分散物が、上記項目のいずれかに記載の少なくとも1つのシラン、水、および好ましくは触媒と混合されて撹拌され、その後、該フィラーが該溶媒から分離される、プロセス。
(項目8)
無機粒子状フィラー、例えば、石英粉末、バリウムアルミニウムシリケートガラス粉末もしくはストロンチウムアルミニウムシリケートガラス粉末、X線不透過性フィラー、例えば三フッ化イッテルビウム、酸化物ベースの非晶質球状フィラー、例えば、ヒュームドシリカ、沈降シリカ、ZrO2、ZnO、TiO2、またはSiO2、ZrO2および/もしくはTiO2から作製される混合酸化物、粒子状酸化タンタル(V)、硫酸バリウム、またはSiO2と酸化イッテルビウム(III)もしくは酸化タンタル(V)との混合酸化物、繊維状フィラー、例えば、ナノ繊維、ガラス繊維、ポリアミドまたは炭素繊維が、フィラーとして使用される、上記項目のいずれかに記載のプロセス。
(項目9)
前記混合物が、0〜100℃の範囲内の温度で1〜20時間撹拌される、上記項目のいずれかに記載のプロセス。
(項目10)
上記項目のいずれかに記載のプロセスに従って得られ得る、ポリシロキサン縮合物。
(項目11)
上記項目のいずれかに記載のプロセスに従って得られ得る、表面修飾フィラー。
(項目12)
上記項目のいずれかに記載のシラン、上記項目に記載のポリシロキサン縮合物、および/または上記項目に記載の表面修飾フィラーを含有することを特徴とする、歯科材料。
(項目13)
上記項目に記載の歯科材料であって、各場合に該材料の全質量に基づいて、
(a) 1〜50重量%、好ましくは2〜40重量%、そして特に好ましくは3〜30重量%の、少なくとも1つの式Iのシラン;上記項目のいずれかに記載の少なくとも1つのポリシロキサン縮合物、および/または上記項目のいずれかに記載の少なくとも1つの表面修飾フィラー、
(b) 0.01〜5重量%、好ましくは0.1〜5重量%、そして特に好ましくは1.0〜3.0重量%の、少なくとも1つのラジカル重合用開始剤、ならびに
(c) 5〜80重量%、好ましくは10〜60重量%、そして特に好ましくは10〜50重量%の、少なくとも1つのラジカル重合性モノマー
を含有する、歯科材料。
(項目14)
(d) 1〜80重量%、好ましくは10〜70重量%、または50〜80重量%のフィラー
をさらに含有する、上記項目のいずれかに記載の歯科材料。
(項目15)
歯科材料の製造のための、上記項目のいずれかに記載のシラン、上記項目のいずれかに記載のポリシロキサン縮合物、または上記項目のいずれかに記載の表面修飾フィラーの使用。
摘要
一般式I
R1は、直鎖もしくは分枝鎖の脂肪族C1〜C9−アルキルラジカル、フェニルまたはアルキル化フェニルラジカルであり、
R2およびR3は、各場合において互いに独立して、存在しないか、または直鎖もしくは分枝鎖の脂肪族C1〜C20−アルキレンラジカルであり、この脂肪族C1〜C20−アルキレンラジカルは、SまたはO原子によって分断され得、
R4、R5、およびR6は、各場合において互いに独立して、−Cl、−O−CH3、−O−C2H5、−CH3または−C2H5であり、
Xは、CH2またはOであり、
Yは、存在しないか、またはOもしくはNR’であり、ここでR’は、HまたはC1〜5−アルキルラジカルであり、そして
Zは、存在しないか、またはO、NR”、−CO−O−、−CO−NR”−、−O−CO−O−、−O−CO−NR”−、もしくは−NR”−CO−NR”−であり、ここでR”は、HまたはC1〜5−アルキルラジカルである。
R1は、−CH3、−C2H5、フェニルまたはトリル(H3C−Ph−)、特にp−トリルである、
R2およびR3は、各場合において互いに独立して、存在しないか、または直鎖脂肪族C1〜C10−アルキレンラジカルであり、この直鎖脂肪族C1〜C10−アルキレンラジカルは、O原子によって分断され得る、
R4、R5、およびR6は、各場合において互いに独立して、−O−CH3または−O−C2H5である、
Xは、CH2またはOである、
Yは存在しないか、またはOである、ならびに
Zは、存在しないか、またはO、−CO−O−、−CO−NH−、−O−CO−O−もしくは−O−CO−NH−である、
を有する式Iの化合物が好ましい。
R1は、−CH3、−C2H5、フェニルまたはトリル(H3C−Ph−)、特にp−トリルである、
R2は、直鎖脂肪族C2〜C8−アルキレンラジカルであり、この直鎖脂肪族C2〜C8−アルキレンラジカルは、O原子によって分断され得る、
R3は、存在しないか、または直鎖脂肪族C1〜C6−アルキレンラジカルである、
R4、R5、およびR6は、各場合において互いに独立して、−O−CH3または−O−C2H5である、
Xは、CH2またはOである、
YはOである、ならびに
Zは、存在しないか、または−CO−NH−もしくは−O−CO−NH−である、
を有する式Iのシランが特に好ましい。
(a) 1〜50重量%、好ましくは2〜40重量%、そして特に好ましくは3〜30重量%の、少なくとも1つの式Iのシラン、好ましくは、1つまたはそれより多くの一般式(I)のシランの少なくとも1つの縮合物、および/あるいは少なくとも1つの式Iのシランで表面修飾された少なくとも1つのフィラー、
(b) 0.01〜5重量%、好ましくは0.1〜5重量%、そして特に好ましくは1.0〜3.0重量%の、少なくとも1つのラジカル重合用開始剤、
(c) 5〜80重量%、好ましくは10〜60重量%、そして特に好ましくは10〜50重量%の、少なくとも1つのラジカル重合性モノマー
を含有する。
(d) 成分(a)とは異なる、1〜80重量%の、少なくとも1つのフィラー
もまた含有する。
(e) 0〜5重量%、好ましくは0〜3重量%、そして特に好ましくは0.2〜3重量%の添加剤(単数または複数)
を含有し得る。
シラン2−(トルエン−4−スルホニルオキシ)−アクリル酸2−[N−(3−トリエトキシシリル)−プロピルカルバモイルオキシエチル]エステルの合成
第1段階:ピルビン酸2−(テトラヒドロピラン−2−イルオキシ)−エチルエステル
実施例2からの縮合物を用いるメタクリレート樹脂の生成および光重合
実施例4からの縮合物を用いるメタクリレート樹脂の生成および光重合
Claims (15)
- 一般式I
R1は、直鎖もしくは分枝鎖の脂肪族C1〜C9−アルキルラジカル、フェニルまたはアルキル化フェニルラジカルであり、
R2およびR3は、各場合において互いに独立して、存在しないか、または直鎖もしくは分枝鎖の脂肪族C1〜C20−アルキレンラジカルであり、該脂肪族C1〜C20−アルキレンラジカルは、SまたはO原子によって分断され得、
R4、R5、およびR6は、各場合において互いに独立して、−Cl、−O−CH3、−O−C2H5、−CH3または−C2H5であり、
Xは、CH2またはOであり、
Yは、存在しないか、またはOもしくはNR’であり、ここでR’は、HまたはC1〜5−アルキルラジカルであり、そして
Zは、存在しないか、またはO、NR”、−CO−O−、−CO−NR”−、−O−CO−O−、−O−CO−NR”−、もしくは−NR”−CO−NR”−であり、ここでR”は、HまたはC1〜5−アルキルラジカルであり、
そして該ラジカルR2およびR3は、同時に存在しない可能性がなく、そしてR2またはR3が存在しない場合、Zは存在しない、
ラジカル重合性シラン。 - R1は、−CH3、−C2H5、フェニルまたはトリルであり、
R2およびR3は、各場合において互いに独立して、存在しないか、または直鎖脂肪族C1〜C10−アルキレンラジカルであり、該直鎖脂肪族C1〜C10−アルキレンラジカルは、O原子によって分断され得、
R4、R5、およびR6は、各場合において互いに独立して、−O−CH3または−O−C2H5であり、
Xは、CH2またはOであり、
Yは、存在しないか、またはOであり、そして
Zは、存在しないか、またはO、−CO−O−、−CO−NH−、−O−CO−O−もしくは−O−CO−NH−である、
請求項1に記載のラジカル重合性シラン。 - R1は、−CH3、−C2H5、フェニルまたはトリルであり、
R2は、直鎖脂肪族C2〜C8−アルキレンラジカルであり、該直鎖脂肪族C2〜C8−アルキレンラジカルは、O原子によって分断され得、
R3は、存在しないか、または直鎖脂肪族C1〜C6−アルキレンラジカルであり、
R4、R5、およびR6は、各場合において互いに独立して、−O−CH3または−O−C2H5であり、
Xは、CH2またはOであり、
YはOであり、そして
Zは、存在しないか、または−CO−NH−もしくは−O−CO−NH−である、
請求項1に記載のラジカル重合性シラン。 - ポリシロキサン縮合物の生成のためのプロセスであって、該プロセスにおいて、請求項1〜3のうちの1つに記載の少なくとも1つのシランが、化学量論量または過剰の水と混合され、次いで該混合物が反応させられる、プロセス。
- 前記シランが有機溶媒に溶解させられ、次いで、該溶液が、水または水と有機溶媒との混合物と混合され、次いで、該混合物が、0℃〜140℃の範囲内の温度で反応させられ、その後、該溶媒および揮発性成分が除去される、請求項4に記載のプロセス。
- 前記混合物がさらに、触媒と混合される、好ましくは、酸、例えば酢酸または塩酸と、あるいは塩基、例えばアンモニア、アミン、NaOH、メチルイミダゾール、またはフッ化アンモニウムと混合される、請求項4または5に記載のプロセス。
- 表面修飾フィラーの生成のためのプロセスであって、該プロセスにおいて、フィラーが、有機溶媒中に分散させられ、該分散物が、請求項1〜3のうちの1つに記載の少なくとも1つのシラン、水、および好ましくは触媒と混合されて撹拌され、その後、該フィラーが該溶媒から分離される、プロセス。
- 無機粒子状フィラー、例えば、石英粉末、バリウムアルミニウムシリケートガラス粉末もしくはストロンチウムアルミニウムシリケートガラス粉末、X線不透過性フィラー、例えば三フッ化イッテルビウム、酸化物ベースの非晶質球状フィラー、例えば、ヒュームドシリカ、沈降シリカ、ZrO2、ZnO、TiO2、またはSiO2、ZrO2および/もしくはTiO2から作製される混合酸化物、粒子状酸化タンタル(V)、硫酸バリウム、またはSiO2と酸化イッテルビウム(III)もしくは酸化タンタル(V)との混合酸化物、繊維状フィラー、例えば、ナノ繊維、ガラス繊維、ポリアミドまたは炭素繊維が、フィラーとして使用される、請求項7に記載のプロセス。
- 前記混合物が、0〜100℃の範囲内の温度で1〜20時間撹拌される、請求項7または8に記載のプロセス。
- 請求項4〜6のいずれか1項に記載のプロセスに従って得られ得る、ポリシロキサン縮合物。
- 請求項7〜9のいずれか1項に記載のプロセスに従って得られ得る、表面修飾フィラー。
- 請求項1〜3のいずれか1項に記載のシラン、請求項10に記載のポリシロキサン縮合物、および/または請求項11に記載の表面修飾フィラーを含有することを特徴とする、歯科材料。
- 請求項12に記載の歯科材料であって、各場合に該材料の全質量に基づいて、
(a) 1〜50重量%、好ましくは2〜40重量%、そして特に好ましくは3〜30重量%の、少なくとも1つの式Iのシラン;請求項10に記載の少なくとも1つのポリシロキサン縮合物、および/または請求項11に記載の少なくとも1つの表面修飾フィラー、
(b) 0.01〜5重量%、好ましくは0.1〜5重量%、そして特に好ましくは1.0〜3.0重量%の、少なくとも1つのラジカル重合用開始剤、ならびに
(c) 5〜80重量%、好ましくは10〜60重量%、そして特に好ましくは10〜50重量%の、少なくとも1つのラジカル重合性モノマー
を含有する、歯科材料。 - (d) 1〜80重量%、好ましくは10〜70重量%、または50〜80重量%のフィラー
をさらに含有する、請求項13に記載の歯科材料。 - 歯科材料の製造のための、請求項1〜3のうちの1項に記載のシラン、請求項10に記載のポリシロキサン縮合物、または請求項11に記載の表面修飾フィラーの使用。
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CN109206540B (zh) | 2021-04-06 |
US10781223B2 (en) | 2020-09-22 |
EP3424983B1 (de) | 2019-10-23 |
JP7094165B2 (ja) | 2022-07-01 |
ES2767850T3 (es) | 2020-06-18 |
EP3424983A1 (de) | 2019-01-09 |
US20190010172A1 (en) | 2019-01-10 |
CN109206540A (zh) | 2019-01-15 |
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