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    • 5. 发明申请
    • PREPOLYMER SYSTEMS HAVING REDUCED MONOMERIC ISOCYANATE CONTENTS
    • 具有降低单体异氰酸酯含量的预聚物体系
    • US20100152381A1
    • 2010-06-17
    • US12334398
    • 2008-12-12
    • Thomas G. SavinoNikolay LebedinskiRajesh KumarCalvin T. Peeler
    • Thomas G. SavinoNikolay LebedinskiRajesh KumarCalvin T. Peeler
    • C08G18/10C08L75/04
    • C08G18/7664C08G18/10C08G18/282C08G18/4825C08G18/8064C08G2101/005C08G2101/0083C08G2350/00C08K5/0016
    • A prepolymer system has a monomeric isocyanate content of no greater than about 10% by weight based on 100 parts by weight of the prepolymer system. The prepolymer system comprises a diluent component and a prepolymer component different than and separate from the diluent component. The diluent component has an excess of isocyanate (NCO) functional groups, and comprises the reaction product of a monohydric isocyanate-reactive component and an excess of a first isocyanate component. The first isocyanate component comprises monomeric isocyanates reactive with the monohydric isocyanate-reactive component. The prepolymer component also has an excess of NCO functional groups, and comprises the reaction product of a polyol component and an excess of a second isocyanate component. The prepolymer system can be used to prepare foams via reaction with water. The foams have low density and have excellent adhesion and sound dampening properties for use in cavities of automobile bodies.
    • 基于100重量份的预聚物体系,预聚物体系具有不大于约10重量%的单体异氰酸酯含量。 预聚物体系包含稀释剂组分和不同于稀释剂组分的预聚物组分。 稀释剂组分具有过量的异氰酸酯(NCO)官能团,并且包含一元异氰酸酯反应性组分和过量的第一异氰酸酯组分的反应产物。 第一异氰酸酯组分包含与一元异氰酸酯反应性组分反应的单体异氰酸酯。 预聚物组分也具有过量的NCO官能团,并且包含多元醇组分和过量的第二异氰酸酯组分的反应产物。 预聚物体系可用于通过与水反应来制备泡沫。 泡沫具有低密度,并且具有优异的粘附性和阻尼性,用于汽车车身的腔体。
    • 6. 发明授权
    • Prepolymer systems having reduced monomeric isocyanate contents
    • 具有降低的单体异氰酸酯含量的预聚物体系
    • US08455679B2
    • 2013-06-04
    • US12334398
    • 2008-12-12
    • Thomas G. SavinoNikolay LebedinskiRajesh KumarCalvin T. Peeler
    • Thomas G. SavinoNikolay LebedinskiRajesh KumarCalvin T. Peeler
    • C07C249/00C07C291/00
    • C08G18/7664C08G18/10C08G18/282C08G18/4825C08G18/8064C08G2101/005C08G2101/0083C08G2350/00C08K5/0016
    • A prepolymer system has a monomeric isocyanate content of no greater than about 10% by weight based on 100 parts by weight of the prepolymer system. The prepolymer system comprises a diluent component and a prepolymer component different than and separate from the diluent component. The diluent component has an excess of isocyanate (NCO) functional groups, and comprises the reaction product of a monohydric isocyanate-reactive component and an excess of a first isocyanate component. The first isocyanate component comprises monomeric isocyanates reactive with the monohydric isocyanate-reactive component. The prepolymer component also has an excess of NCO functional groups, and comprises the reaction product of a polyol component and an excess of a second isocyanate component. The prepolymer system can be used to prepare foams via reaction with water. The foams have low density and have excellent adhesion and sound dampening properties for use in cavities of automobile bodies.
    • 基于100重量份的预聚物体系,预聚物体系具有不大于约10重量%的单体异氰酸酯含量。 预聚物体系包含稀释剂组分和不同于稀释剂组分的预聚物组分。 稀释剂组分具有过量的异氰酸酯(NCO)官能团,并且包含一元异氰酸酯反应性组分和过量的第一异氰酸酯组分的反应产物。 第一异氰酸酯组分包含与一元异氰酸酯反应性组分反应的单体异氰酸酯。 预聚物组分也具有过量的NCO官能团,并且包含多元醇组分和过量的第二异氰酸酯组分的反应产物。 预聚物体系可用于通过与水反应来制备泡沫。 泡沫具有低密度,并且具有优异的粘附性和阻尼性,用于汽车车身的腔体。