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    • 5. 发明授权
    • Dental resin cements having improved handling properties
    • 牙科树脂水泥具有改善的处理性能
    • US06939900B2
    • 2005-09-06
    • US10315505
    • 2002-12-10
    • Paula D. ArioSteven M. AasenBrian N. Holmes
    • Paula D. ArioSteven M. AasenBrian N. Holmes
    • A61K6/00A61K6/083A61K6/087A61P1/02
    • A61K6/0023C08L33/00C08L63/00C08L75/16
    • Dental resin cement materials having unique handling properties are provided that comprise a) filler, b) polymerizable resin, and c) a polymeric handling modifier that is dispersed in the polymerizable resin at 25° C. and that has a molecular weight of between about 500 and 100,000. Components a) b) and c) are present in an amount effective to achieve a Viscosity vs Shear Rate Curve that fits a power law model of F(x)=AxB. The correlation value of the material to this curve is greater than 0.85 for both the increasing and decreasing shear rate curves, and the value of B is less than about −0.01.Resin cements are also provided that comprise acid functionality and water, but which do not comprise an acid reactive filler. Such cements may be self etching, thereby avoiding the need to carry out a separate acid etch step.
    • 提供具有独特处理性质的牙科树脂水泥材料,其包括a)填料,b)可聚合树脂,和c)聚合物处理改性剂,其分散在25℃的可聚合树脂中,分子量为约500 和100,000。 组分a)b)和c)以有效达到粘度与剪切速率曲线的量存在,该曲线适合于F(x)= Ax 的幂定律模型。 对于增加和减少的剪切速率曲线,材料对该曲线的相关值大于0.85,并且B的值小于约-0.01。 还提供了包含酸官能度和水但不包含酸反应性填料的树脂水泥。 这样的水泥可以是自蚀刻,从而避免了进行单独的酸蚀刻步骤的需要。
    • 6. 发明授权
    • Dental resin cements having improved handling properties
    • 牙科树脂水泥具有改善的处理性能
    • US06506816B1
    • 2003-01-14
    • US08896549
    • 1997-07-17
    • Paula D. ArioSteven M. AasenBrian N. Holmes
    • Paula D. ArioSteven M. AasenBrian N. Holmes
    • A61K6087
    • A61K6/0023C08L33/00C08L63/00C08L75/16
    • Dental resin cement materials having unique handling properties are provided that comprise a) filler, b) polymerizable resin, and c) a polymeric handling modifier that is dispersed in the polymerizable resin at 25° C. and that has a molecular weight of between about 500 and 100,000. Components a) b) and c) are present in an amount effective to achieve a Viscosity vs Shear Rate Curve that fits a power law model of F(x)=A xB. The correlation value of the material to this curve is greater than 0.85 for both the increasing and decreasing shear rate curves, and the value of B is less than about −0.01. Resin cements are also provided that comprise acid functionality and water, but which do not comprise an acid reactive filler. Such cements may be self etching, thereby avoiding the need to carry out a separate acid etch step.
    • 提供具有独特处理性质的牙科树脂水泥材料,其包括a)填料,b)可聚合树脂,和c)聚合物处理改性剂,其分散在25℃的可聚合树脂中,分子量为约500 和100,000。 组分a)b)和c)以有效实现适合F(x)= A×B的幂定律模型的粘度与剪切速率曲线的量存在。 对于增加和减少的剪切速率曲线,材料与该曲线的相关值大于0.85,并且B的值小于约-0.01。还提供了包含酸官能度和水的树脂水泥,但是它们 不包含酸反应性填料。 这样的水泥可以是自蚀刻,从而避免了进行单独的酸蚀刻步骤的需要。