CN108525024A - 一种可塑性纤维增强树脂基牙周夹板材料及其制备方法 - Google Patents
一种可塑性纤维增强树脂基牙周夹板材料及其制备方法 Download PDFInfo
- Publication number
- CN108525024A CN108525024A CN201810213142.4A CN201810213142A CN108525024A CN 108525024 A CN108525024 A CN 108525024A CN 201810213142 A CN201810213142 A CN 201810213142A CN 108525024 A CN108525024 A CN 108525024A
- Authority
- CN
- China
- Prior art keywords
- fiber
- resin
- week
- quartz
- plasticity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011347 resin Substances 0.000 title claims abstract description 55
- 229920005989 resin Polymers 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 69
- 239000010453 quartz Substances 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000002444 silanisation Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000005470 impregnation Methods 0.000 claims abstract description 3
- 238000001291 vacuum drying Methods 0.000 claims description 20
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 17
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 229920000058 polyacrylate Polymers 0.000 claims description 11
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 claims description 7
- VNQXSTWCDUXYEZ-UHFFFAOYSA-N 1,7,7-trimethylbicyclo[2.2.1]heptane-2,3-dione Chemical compound C1CC2(C)C(=O)C(=O)C1C2(C)C VNQXSTWCDUXYEZ-UHFFFAOYSA-N 0.000 claims description 5
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- AMFGWXWBFGVCKG-UHFFFAOYSA-N Panavia opaque Chemical compound C1=CC(OCC(O)COC(=O)C(=C)C)=CC=C1C(C)(C)C1=CC=C(OCC(O)COC(=O)C(C)=C)C=C1 AMFGWXWBFGVCKG-UHFFFAOYSA-N 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229930006711 bornane-2,3-dione Natural products 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 229910001882 dioxygen Inorganic materials 0.000 claims description 5
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- -1 Methoxyl group Chemical group 0.000 claims description 4
- 239000003085 diluting agent Substances 0.000 claims description 4
- BAVYZALUXZFZLV-UHFFFAOYSA-N mono-methylamine Natural products NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000007822 coupling agent Substances 0.000 claims 1
- 229940074391 gallic acid Drugs 0.000 claims 1
- 235000004515 gallic acid Nutrition 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 230000003239 periodontal effect Effects 0.000 abstract description 18
- 239000000758 substrate Substances 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000000016 photochemical curing Methods 0.000 abstract description 2
- 238000006116 polymerization reaction Methods 0.000 abstract description 2
- 210000004261 periodontium Anatomy 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 230000008733 trauma Effects 0.000 description 4
- OZAIFHULBGXAKX-VAWYXSNFSA-N AIBN Substances N#CC(C)(C)\N=N\C(C)(C)C#N OZAIFHULBGXAKX-VAWYXSNFSA-N 0.000 description 3
- 208000010266 Aggressive Periodontitis Diseases 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- 238000001723 curing Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003733 fiber-reinforced composite Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 210000000214 mouth Anatomy 0.000 description 3
- 201000006727 periodontosis Diseases 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000007665 sagging Methods 0.000 description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000009596 Tooth Mobility Diseases 0.000 description 1
- 229920006222 acrylic ester polymer Polymers 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 210000004268 dentin Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 208000028169 periodontal disease Diseases 0.000 description 1
- 201000001245 periodontitis Diseases 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/048—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/028—Other inorganic materials not covered by A61L31/022 - A61L31/026
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Dental Preparations (AREA)
Abstract
本发明公开了一种可塑性纤维增强树脂基牙周夹板材料的制备,包括以下步骤:1)石英纤维表面浸润剂的去除;2)石英纤维表面硅烷化处理;3)树脂的配置;4)纤维浸胶;5)复合物预聚合。本发明通过去除石英纤维表面浸润剂,硅烷化处理纤维表面,由此在纤维表面获得活性基团,提高了石英纤维与树脂的相容性;通过精确地控制树脂预聚合的过程,提高了可塑性夹板的临床操作性能,并且通过光固化的方式使树脂完成聚合从而保证材料的强度。本发明将树脂基质预聚合的概念引入牙周夹板材料领域,在保证材料机械性能,粘结强度的同时提高临床可塑性,对复合材料临床推广方面具有巨大的应用潜力。
Description
技术领域
本发明属于高分子有机材料技术领域,具体涉及一种可塑性纤维增强树脂基牙周夹板材料及其制备方法。
背景技术
临床常见的牙齿松动主要是由牙周病和牙外伤导致的。牙周病(periodontitis)是一种世界范围内流行的高患病率疾病,据全国口腔健康流行病学调查,当前我国成年人中80.0%-97.0%患有不同程度的牙周疾病,而且发病率有逐年增加的趋势。而牙外伤在口腔科急诊中经常遇到。儿童、青少年时期活动性强,因运动、玩耍等意外事故造成牙齿外伤折断比较常见,而成人外伤则多由于交通事故、打架斗殴、体育活动等原因,牙周组织受到外力创伤,牙齿出现松动移位甚至脱落。因此在治疗中,在控制病因的基础上这时,良好固定松动牙就成为不可或缺的治疗手段。将一些松动牙运用牙周夹板和周围相对健康的牙连接固定后,可恢复咀嚼功能,分散牙合力,减轻单个牙齿牙周组织的负荷。牙周固定通常是使用结扎丝、正畸弓丝、牙科的粘结剂及树脂材料等制作牙周夹板来实现的。
牙科石英纤维树脂复合物因其生物相容性好、弹性模量适中、美观且易操作等特点被广泛应用于口腔领域。纤维加复合树脂牙周夹板的弹性模量与牙本质弹性模量非常接近,能有效分散应力和防止根折。纤维加复合树脂牙周夹板材料内部结构的微裂机制模拟牙周膜发挥应力中断作用,使得固定松动牙得到缓冲,有利于牙周组织的修复和再生。
目前临床上应用较多的是以丙烯酸酯类聚合物和甲基丙烯酸甲酯(MMA)为基本原料来制备树脂基质。MMA分子量小流动性强,而丙烯酸酯类聚合物分子量大粘度高,单独使用时可操作性能均不能满足临床需求。MMA在热聚合条件下,通过交联剂可以聚合成聚甲基丙烯酸甲酯(PMMA)。随着预聚合温度的升高,在热固化引发体系的催化下,MMA得到越来越充分的聚合,其材料流动性逐渐降低。
发明内容
发明目的:为了克服现有技术中存在的不足,本发明提供一种可塑性纤维增强树脂基牙周夹板材料及其制备方法。
技术方案:为解决上述技术问题,本发明的公开的一种可塑性纤维增强树脂基牙周夹板材料,其制备材料包括以下组份:丙烯酸酯类聚合物、樟脑醌、甲基丙烯酸二甲胺乙酯、甲基丙烯酸甲酯之间的质量百分比范围为:78.5:1:0.5:20;热催化剂为丙烯酸酯类聚合物和稀释剂总质量的0.04%;甲氧基对苯二酚为丙烯酸酯类聚合物和稀释剂总质量的0.01%。
进一步地,所述丙烯酸酯类聚合物为双酚A-甲基丙烯酸缩水甘油酯、氨基甲酸酯双甲基丙烯酸酯中的一种。
进一步地,所述热催化剂为偶氮二异丁腈、偶氮二异庚腈、过氧化苯甲酰中的一种或者多种。
上述的可塑性纤维增强树脂基牙周夹板材料的制备方法,所述制备方法包括以下步骤:
1)石英纤维表面浸润剂的去除
将石英纤维放置于真空干燥箱中在100-110℃条件下干燥18-30h,再将纤维放入10%-20% H2O2中浸泡20-40分钟后,用去离子水反复冲洗干净,再次放入真空干燥箱中在100-110℃条件下干燥18-30h;
2)石英纤维表面硅烷化处理
取表面经过双氧水处理的石英纤维浸入烧杯内,加入环己烷、丙胺、硅烷偶联剂KH-570,室温下利用磁力搅拌器搅拌25-40min后,在60-70℃油浴条件下保持90-100min,然后取出石英纤维放入真空干燥箱中在60-65℃条件下挥发24-48h,再加热至90-100℃保持2-3h后,在80-90℃真空干燥箱中干燥18-24h;
3)树脂的配置
称取丙烯酸酯类聚合物放入用锡纸包裹的烧杯中,CQ(樟脑醌),DMAEMA(甲基丙烯酸二甲胺乙酯),加入MMA(甲基丙烯酸甲酯)及热催化剂,将烧杯分别置于恒温磁力搅拌器上,30-40℃恒温搅拌1h-3h,使各组分混合均匀,待用;
4)纤维浸胶
将完成表面处理的石英纤维放入配制好的树脂胶液中避光预浸2-4 h,避光保存备用;
5)复合物预聚合
将预浸树脂的纤维取出,放入65-85℃烘箱中加热2-3h。
有益效果:本发明相对现有技术而言具有以下优点:
1)本发明中经过硅烷化处理的石英纤维与树脂结合后挠曲强度显著增高,使义齿力学性能能满足口腔正常功能需要,纤维增强复合树脂内部结构的微裂机制模拟牙周膜发挥应力中断作用,有利于牙周组织的修复和再生,使得被固定松动基牙受力得到缓冲,牙周情况得以改善。纤维增强复合树脂牙周夹板花费小且效益高,在修复牙周病和牙外伤固定松动牙的应用具有广泛的前景。
2)本发明将树脂基质预聚合的概念引入牙周夹板材料领域,进行热固化预聚合树脂基质中的甲基丙烯酸甲酯,使其具有一定可操作性,最终临床操作时进行光固化完成树脂基质的全部交联聚合,保证材料的机械性能和粘结强度,对复合材料临床推广方面具有巨大的应用潜力。
3)本发明通过特定的丙烯酸酯类聚合物、樟脑醌、甲基丙烯酸二甲胺乙酯、甲基丙烯酸甲酯特定比例配比点, 和特定比例热催化剂配合使用,使得石英纤维与树脂结合后挠曲强度显著增高,解决了现有技术强度过的技术问题。
附图说明
图1为可塑性纤维加强树脂基牙周夹板软硬测试图。
图2为金象显微镜下实验试件粘结破坏界面图。
图3为扫描电子显微镜下实验试件粘结破坏界面图。
图4为树脂突D的能谱分析图。
具体实施方式
下面结合实例对本发明进一步详细的阐明,但本发明内容不仅局限于下面的实施例。
实施例1
本实例的纤维采用72texB型(环氧K)石英纤维,制备纤维加强复合树脂复合物方法如下:
(1)石英纤维表面浸润剂的去除:取10g石英纤维放置于真空干燥箱中在100℃条件下干燥24h,再将纤维放入10%H2O2中浸泡30分钟后,用去离子水冲洗干净,再次放入真空干燥箱中在100℃条件下干燥24h。
(2)石英纤维表面硅烷化处理:取表面经过双氧水处理的石英纤维,浸入烧杯内,加入1000ml环己烷,0.4g丙胺,1g的KH-570,室温下利用磁力搅拌器搅拌30min后,在65℃油浴条件下保持90min,然后取出纤维放入真空干燥箱中在60℃条件下挥发24h,再加热至95℃保持2h后,在85℃真空干燥箱中干燥18h。
(3)树脂胶液的制备:用分析天平称取Bis-GMA(78.5%)放入用锡纸包裹的烧杯中,加入MMA(19.96%),CQ(0.5%),DMAEMA(1%),AIBN(0.04%),甲氧基对苯二酚(0.01%),将烧杯置于恒温磁力搅拌器上,40 ℃恒温搅拌1 h,使各组分混合均匀,待用。
(4)纤维加强树脂复合物的制作:将纤维放入配制好的树脂胶液中预浸2 h,将预浸树脂的纤维取出,放入80℃烘箱中加热2h。室温下存储2周后备用。
预聚合温度为80℃时,可塑性纤维增强树脂基牙周夹板可以保持不完全固化且软硬适中的状态,具备可任意弯曲的要求。用持针器夹持一侧后,另一侧受重力作用下垂,如图1(A)所示。
实施例2
本实例的纤维采用72texB型(环氧K)石英纤维,制备纤维加强复合树脂复合物方法如下:
(1)石英纤维表面浸润剂的去除:取10g石英纤维放置于真空干燥箱中在100℃条件下干燥24h,再将纤维放入10%H2O2中浸泡30分钟后,用去离子水冲洗干净,再次放入真空干燥箱中在100℃条件下干燥24h。
(2)石英纤维表面硅烷化处理:取表面经过双氧水处理的石英纤维,浸入烧杯内,加入1000ml环己烷,0.4g丙胺,1g的KH-570,室温下利用磁力搅拌器搅拌30min后,在65℃油浴条件下保持90min,然后取出纤维放入真空干燥箱中在60℃条件下挥发24h,再加热至95℃保持2h后,在85℃真空干燥箱中干燥18h。
(3)树脂胶液的制备:用分析天平称取Bis-GMA(78.5%)放入用锡纸包裹的烧杯中,加入MMA(19.96%),CQ(0.5%),DMAEMA(1%),AIBN(0.04%),甲氧基对苯二酚(0.01%),将烧杯置于恒温磁力搅拌器上,40 ℃恒温搅拌1 h,使各组分混合均匀,待用。
(4)纤维加强树脂复合物的制作:将纤维放入配制好的树脂胶液中预浸2 h,将预浸树脂的纤维取出,放入70℃烘箱中加热2h。室温下存储2周后备用。
预聚合温度为70℃时,可塑性纤维增强树脂基牙周夹板可以保持不完全固化且软硬适中的状态,具备可任意弯曲的要求。用持针器夹持一侧后,另一侧受重力作用下垂,如图1(B)所示。
实施例3
本实例的纤维采用72texB型(环氧K)石英纤维,制备纤维加强复合树脂复合物方法如下:
(1)石英纤维表面浸润剂的去除:取10g石英纤维放置于真空干燥箱中在100℃条件下干燥24h,再将纤维放入10%H2O2中浸泡30分钟后,用去离子水冲洗干净,再次放入真空干燥箱中在100℃条件下干燥24h。
(2)石英纤维表面硅烷化处理:取表面经过双氧水处理的石英纤维,浸入烧杯内,加入1000ml环己烷,0.4g丙胺,1g的KH-570,室温下利用磁力搅拌器搅拌30min后,在65℃油浴条件下保持90min,然后取出纤维放入真空干燥箱中在60℃条件下挥发24h,再加热至95℃保持2h后,在85℃真空干燥箱中干燥18h。
(3)树脂胶液的制备:用分析天平称取Bis-GMA(78.5%)放入用锡纸包裹的烧杯中,加入MMA(19.96%),CQ(0.5%),DMAEMA(1%),AIBN(0.04%),甲氧基对苯二酚(0.01%),将烧杯置于恒温磁力搅拌器上,40 ℃恒温搅拌1 h,使各组分混合均匀,待用。
(4)纤维加强树脂复合物的制作:将纤维放入配制好的树脂胶液中预浸2 h,将预浸树脂的纤维取出,放入60℃烘箱中加热2h。室温下存储2周后备用。
预聚合温度为60℃时,可塑性纤维增强树脂基牙周夹板可以保持不完全固化且软硬适中的状态,具备可任意弯曲的要求。用持针器夹持一侧后,另一侧受重力作用下垂,如图1(C)所示。
对实施例的测试:
可塑性纤维增强复合树脂牙周夹板粘结强度测试
(1)试件的准备:取一周内拔除的6颗下颌第一磨牙,沿牙体长轴方向磨除部分颊侧牙釉质,将牙冠颊面向上牙冠和牙根的舌侧包埋于高3cm直径为2.5cm的自凝塑料内。在离体牙颊面上粘贴透明聚酯胶粘带并暴露胶带中央4mm×3mm大小面积。 对预粘结暴露的牙面进行清洗、隔湿、干燥。用37%磷酸酸蚀30s,涂ONE-STEP粘结剂,光固化灯光照20s。按厂商的说明书的要求和步骤分别在牙面暴露区域均匀涂布3M FiltekXT Z3 50纳米流动树脂,将备用的可塑性纤维加强复合树脂牙周夹板置于暴露牙面的流动树脂上固定至完全贴合,并分别堆塑成4mm×3mm×2mm大小。
(2)剪切实验测试:根据 ISO/11405: 1994的标准用万能材料实验机将包埋牙体的自凝塑料块以特制的夹具固定, 加载头以 0.5mm/min的速度, 平行于牙面进行加载,加载时加载头尽量靠近粘结面,记录试件破坏时的最大载荷P(单位:牛顿),计算粘结剪切强度(MPa)=P/ab(P为最大载荷,单位为N, a为粘结面的长,单位为mm, b 为粘结面的宽,单位为 mm)。测得的数据如下表所示。
组别 | 预聚合温度 | 最大载荷(N) | 剪切强度(MPa) |
实施例一 | 80℃ | 174.17土11.50 | 14.51土0.96 |
实施例二 | 70℃ | 155.04土34.17 | 12.92土2.85 |
实施例三 | 60℃ | 131.20土22.94 | 10.93土1.91 |
(3)金相显微镜和扫描电子显微镜观察试件的断裂面形貌:金相显微镜下观察记录可塑性纤维加强复合树脂牙周夹板界面破坏形式,每个试件分别选取牙周夹板破坏界面长,宽三等分点的交叉点(共9个观察点)进行观察。用 ISOMET慢速锯纵向垂直于剪切面将离体牙切成厚度为1mm的薄片,将切好的离体牙包埋在自凝塑料中,先用600目的水砂纸打磨切面后,依次在37%的磷酸下酸蚀10s,5%的 NaClO脱矿10min,重复5次后超声清洗,干燥,喷金,利用扫描电镜观察粘结区断裂面的情况。金相显微镜结果显示(图2):实验试件的界面破坏形式为混合破坏为主。SEM镜下(图3)实验试件粘结破坏界面的牙釉质中可见树脂突,能谱分析也证实了树脂突的元素构成(图4)。
以上所述仅是本发明的优选实施方式,而不用于限制本发明的范围,应当指出:对于本技术领域的技术人员来讲,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (6)
1.一种可塑性纤维增强树脂基牙周夹板材料,其特征在于:其制备材料包括以下组份:
丙烯酸酯类聚合物、樟脑醌、甲基丙烯酸二甲胺乙酯、甲基丙烯酸甲酯之间的质量百分比范围为:78.5:1:0.5:20;
热催化剂为丙烯酸酯类聚合物和稀释剂总质量的0.04%;
甲氧基对苯二酚为丙烯酸酯类聚合物和稀释剂总质量的0.01%。
2.根据权利要求1所述的可塑性纤维增强树脂基牙周夹板材料,其特征在于:所述丙烯酸酯类聚合物为双酚A-甲基丙烯酸缩水甘油酯、氨基甲酸酯双甲基丙烯酸酯中的一种。
3.根据权利要求1所述的可塑性纤维增强树脂基牙周夹板材料,其特征在于:所述热催化剂为偶氮二异丁腈、偶氮二异庚腈、过氧化苯甲酰中的一种或者多种。
4.一种基于根据权利要求1~3所述的可塑性纤维增强树脂基牙周夹板材料的制备方法,其特征在于:所述制备方法包括以下步骤:
1)石英纤维表面浸润剂的去除
将石英纤维放置于真空干燥箱中在100-110℃条件下干燥18-30h,再将纤维放入10%-20% H2O2中浸泡20-40分钟后,用去离子水反复冲洗干净,再次放入真空干燥箱中在100-110℃条件下干燥18-30h;
2)石英纤维表面硅烷化处理
取表面经过双氧水处理的石英纤维浸入烧杯内,加入环己烷、丙胺、硅烷偶联剂KH-570,室温下利用磁力搅拌器搅拌25-40min后,在60-70℃油浴条件下保持90-100min,然后取出石英纤维放入真空干燥箱中在60-65℃条件下挥发24-48h,再加热至90-100℃保持2-3h后,在80-90℃真空干燥箱中干燥18-24h;
3)树脂的配置
称取丙烯酸酯类聚合物放入用锡纸包裹的烧杯中,CQ(樟脑醌),DMAEMA(甲基丙烯酸二甲胺乙酯),加入MMA(甲基丙烯酸甲酯)及热催化剂,将烧杯分别置于恒温磁力搅拌器上,30-40℃恒温搅拌1h-3h,使各组分混合均匀,待用;
4)纤维浸胶
将完成表面处理的石英纤维放入配制好的树脂胶液中避光预浸2-4 h,避光保存备用;
5)复合物预聚合
将预浸树脂的纤维取出,放入65-85℃烘箱中加热2-3h。
5.根据权利要求4所述的可塑性纤维增强树脂基牙周夹板材料的制备方法,其特征在于:所述步骤(1)中的H2O2用量为石英纤维质量的10-20倍。
6.根据权利要求4所述的可塑性纤维增强树脂基牙周夹板材料的制备方法,其特征在于:所述步骤(2)中环己烷、丙胺、硅烷化偶联剂KH-570用量分别为石英纤维质量的90-100倍、4%、10%。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810213142.4A CN108525024A (zh) | 2018-03-15 | 2018-03-15 | 一种可塑性纤维增强树脂基牙周夹板材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810213142.4A CN108525024A (zh) | 2018-03-15 | 2018-03-15 | 一种可塑性纤维增强树脂基牙周夹板材料及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108525024A true CN108525024A (zh) | 2018-09-14 |
Family
ID=63483550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810213142.4A Pending CN108525024A (zh) | 2018-03-15 | 2018-03-15 | 一种可塑性纤维增强树脂基牙周夹板材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108525024A (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101390813A (zh) * | 2008-10-30 | 2009-03-25 | 同济大学 | 含功能单体pmdm及改性羟基磷灰石的齿科复合树脂的制备方法及其应用 |
CN105838012A (zh) * | 2016-04-25 | 2016-08-10 | 章非敏 | 一种提高牙科石英纤维树脂复合物强度的表面接枝方法 |
CN107537061A (zh) * | 2016-06-23 | 2018-01-05 | 辽宁爱尔创生物材料有限公司 | 一种牙科用复合树脂材料的制备方法及其制备的产品 |
-
2018
- 2018-03-15 CN CN201810213142.4A patent/CN108525024A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101390813A (zh) * | 2008-10-30 | 2009-03-25 | 同济大学 | 含功能单体pmdm及改性羟基磷灰石的齿科复合树脂的制备方法及其应用 |
CN105838012A (zh) * | 2016-04-25 | 2016-08-10 | 章非敏 | 一种提高牙科石英纤维树脂复合物强度的表面接枝方法 |
CN107537061A (zh) * | 2016-06-23 | 2018-01-05 | 辽宁爱尔创生物材料有限公司 | 一种牙科用复合树脂材料的制备方法及其制备的产品 |
Non-Patent Citations (1)
Title |
---|
王仁林 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Aksornmuang et al. | Microtensile bond strength of a dual-cure resin core material to glass and quartz fibre posts | |
CN1117555C (zh) | 新型预浸料坯 | |
Abdalla et al. | Four-year water degradation of a total-etch and two self-etching adhesives bonded to dentin | |
Tezvergil et al. | The shear bond strength of bidirectional and random-oriented fibre-reinforced composite to tooth structure | |
Furukawa et al. | The effects of luting resin bond to dentin on the strength of dentin supported by indirect resin composite | |
Behr et al. | Marginal adaptation of three self-adhesive resin cements vs. a well-tried adhesive luting agent | |
Hatta et al. | High volume individual fibre post versus low volume fibre post: the fracture load of the restored tooth | |
Valandro et al. | The effect of adhesive systems on the pullout strength of a fiberglass-reinforced composite post system in bovine teeth. | |
Huber et al. | Push-out bond strengths of endodontic posts bonded with different resin-based luting cements | |
SK95097A3 (en) | A polymer-fibre prepreg, a method for the preparation thereof as well as the use of said prepreg | |
RU97115816A (ru) | Полимерно-волокнистый препрег, способ его получения, а также применение указанного препрега | |
Rigolin et al. | Evaluation of bond strength between leucite-based and lithium disilicate-based ceramics to dentin after cementation with conventional and self-adhesive resin agents | |
Khan et al. | Ex vivo fracture resistance of teeth restored with glass and fiber reinforced composite resin | |
Aksornmuang et al. | Effect of prolonged photo-irradiation time of three self-etch systems on the bonding to root canal dentine | |
Miranda et al. | Shear bond strength of different adhesive systems to primary dentin and enamel | |
Salameh et al. | Adhesion between prefabricated fiber-reinforced posts and different composite resin cores: a microtensile bond strength evaluation. | |
Wongsorachai et al. | Effect of polymerization accelerator on bond strength to eugenol-contaminated dentin | |
Keulemans et al. | Static and dynamic failure load of fiber-reinforced composite and particulate filler composite cantilever resin-bonded fixed dental prostheses | |
Soares et al. | Fracture strength of composite fixed partial denture using bovine teeth as a substitute for human teeth with or without fiber-reinforcement | |
CN108525024A (zh) | 一种可塑性纤维增强树脂基牙周夹板材料及其制备方法 | |
JP2004081857A (ja) | 金属を含まない係留部材を有する歯科用補綴物 | |
Udo et al. | Enhancement of adhesion between resin coating materials and resin cements | |
JP4130549B2 (ja) | 歯科セラミックス・レジン材料用接着性組成物 | |
JPH09249514A (ja) | 歯科用レジン強化型セメント用前処理剤 | |
Durgesh et al. | Damage of the interface between an orthodontic bracket and enamel–the effect of some elastic properties of the adhesive material |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180914 |