It is concluded that using ε-CL and DEM as blocking agents respectively,the deblocking temperatures of the polyurethane prepolymers were about 160 ℃ and 140 ℃ respectively.
以苯酚、ε-己内酰胺(ε-CL)、丙二酸二乙酯等封闭剂封闭TDI型聚氨酯预聚物,得到了一系列单组分聚氨酯乳液,并对其乳液稳定性、粒径,胶膜耐水性等性能进行了研究,发现胶膜的耐溶剂性、耐水性等性能均有提高。
The characteristics of various blocking agents and their influences to the curing conditions,performances and et al of electrophoretic coatings are introduced in terms of blocking and deblocking mechanisms of isocyanate curing agents for electrophoretic coatings.
从电泳涂料用异氰酸酯固化剂的封闭和解封闭机理入手,介绍了各类封闭剂的特点以及对电泳涂料涂膜固化条件、性能等方面的影响,提出了电泳涂料用异氰酸酯固化剂的封闭剂的未来发展建议。
Blocked polyisocyanates with low release temperature(110～120 ℃) were synthesized with methyl ethyl ketoxime as blocking agent.
以甲乙酮肟为封闭剂,制备了解封温度较低(110~120℃)的封闭型多异氰酸酯树脂;讨论了活性氢与异氰酸酯基团的摩尔比、反应温度、反应时间对封闭反应的影响;探讨了封闭的预聚体的解封反应,确定了其解封温度,并用红外光谱比较了封闭前后和加热解封后的预聚体。
Effects of nano-diamond filler on penetration of pit and fissure sealant;
纳米金刚石填料对光固化窝沟封闭剂渗透性的影响
Effects of nano-diamond filler on shearing-bonding strength and micro-hardness of pit and fissure sealant;
纳米金刚石填料对光固化窝沟封闭剂黏结剪切强度和表面显微硬度的影响
Study on microleakage of pit and fissure sealant from Er:YAG laser irradiation
Er:YAG激光照射对窝沟封闭剂微渗漏影响的研究
A Comparative Study of the Sealing Ability of Three Root Canal Sealers in Vitro;
三种根管封闭剂根尖封闭性能的比较
Apical sealing ability of root canals filled with nanosealer
纳米根管封闭剂根尖封闭能力的研究
Scanning electron microscopic study on the penetration and adaptation of enameloplasty sealant technique(est)
窝沟封闭剂的封闭性的临床效果评价
Experimental Study of Fibrin Sealant in Sealing Cystic Duct;
纤维蛋白封闭剂封闭胆囊管的实验性研究
This paper reports the effect, retention rate and cost-effectiveness of pit and fissure sealant in the prevention of caries.
本文介绍窝沟封闭防龋效果、封闭剂保留率和窝沟封闭剂的成本－效果分析。
Mixing ratio(in volume):1 part of sealant per part of de-ionized water
配比(体积):1份封闭剂,1份去离子水
Synthesis and Application of Aqueous Polyurethane Blocking Agents of Oximes;
水性聚氨酯肟类封闭剂的合成与应用
Retention rate of Estiseal F and a dentin bonding system used as fissure sealant in caries prevention:12-month follow-up results
牙本质粘接剂作为窝沟封闭剂的保留率研究
An in vitro study on inhibition of enamel demineralization by fluoride-releasing resin sealant and glass ionomer sealant
含氟树脂封闭剂与玻璃离子封闭剂抑制牙釉质脱矿能力的体外研究
Clinical Efficacy of Fibrin Sealant for the Hemostasis in the Complicated Operations
纤维蛋白封闭剂应用于复杂手术止血效果观察
Clinical effect of glass ionomer used as pit and fissure sealant
玻璃离子窝沟封闭剂预防窝沟龋效果观察
Study on Fluoride Release and the Effect of Caries Prevention of Fluoride-Containing Pit and Fissure Sealants in Vitro
含氟窝沟封闭剂氟释放与防龋性能的实验研究
Establishment of tumor visual model by means of Fibrin Sealant
应用纤维蛋白封闭剂建立肿瘤可视化模型
A 3-year clinical application of light cure beautifil flowable polymeric restorative and pit and fissure sealant
Beautifil流动聚合体和光固化窝沟封闭剂3年效果
Study on microleakage of pit and fissure sealant from Er:YAG laser irradiation
Er:YAG激光照射对窝沟封闭剂微渗漏影响的研究
Application of Fibrin Sealant in Thyroid surgery
纤维蛋白封闭剂在甲状腺手术中的应用
Effect Comparison of Caries Prevention Between Resin Sealant and Glass Ionomer Sealant
两种窝沟封闭剂预防儿童龋齿效果分析
Effect of surface sealants on the marginal permeability of composite resin filling
表面封闭剂在复合树脂充填中对微渗漏的影响