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    • 1. 发明授权
    • Low-density sealing mass, ground mass and method for producing the same and the use thereof
    • 低密度密封质量,研磨质量及其制造方法及其用途
    • US07262245B2
    • 2007-08-28
    • US10472266
    • 2002-04-05
    • Peter BonsHeinz BurockFrancisco DiezAndrea PaulHeiko Diehl
    • Peter BonsHeinz BurockFrancisco DiezAndrea PaulHeiko Diehl
    • C08L81/04
    • C08L71/02C08L81/02C08L81/04C08L2666/02
    • The invention relates to a sealing mass with low density and improved tensile strength on the basis of sulfur-containing polymers such as on the basis of polysulfide, polyether or/and polytioether that has a density of not more than 1.3 g/cm3 according to ISO 2781 and a tensile strength of at least 1.9 N/mm2 according to ISO 37 after curing. The invention further relates to a ground mass based on sulfur-containing polymers for producing a sealing mass that comprises at least one long-chain linear polymer and at least one short-chain branched polymer having a content in trifunctional molecules, or/and at least one multifunctional cross-linker with a number of functional groups n≧3. The invention further relates to a method for producing a sealing mass according to which at least one base polymer is mixed with at least one adhesion promoter and the at least one light filler, especially hollow filler, is added, a vacuum with a remaining pressure of less than 50 mbar being maintained during incorporation of the light filler.
    • 本发明涉及一种基于含硫聚合物,例如基于多硫化物,聚醚或/和聚氧乙烯醚的密度不超过1.3g / cm 2的低密度和改进的拉伸强度的密封块, 3和根据ISO 37固化后的抗拉强度至少为1.9N / mm 2。 本发明还涉及一种基于含硫聚合物的研磨物质,用于生产包含至少一种长链线性聚合物和至少一种具有三官能分子含量的至少一种短链支化聚合物的密封块,或至少 一个具有多个官能团n> = 3的多功能交联剂。 本发明还涉及一种用于生产密封块的方法,根据该方法,将至少一种基础聚合物与至少一种粘合促进剂混合,并加入至少一种轻填料,特别是中空填料, 在掺入轻填料的过程中维持小于50毫巴。