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    • 2. 发明授权
    • Flame retardant polymer composition
    • 阻燃聚合物组成
    • US07144941B2
    • 2006-12-05
    • US10688060
    • 2003-10-16
    • Reiner SauerweinDieter PrescherJosef BrandlHans Gokorsch
    • Reiner SauerweinDieter PrescherJosef BrandlHans Gokorsch
    • C08K3/22
    • C09K21/02C01F7/023C01F7/441C01P2004/61C01P2004/62C01P2006/12C01P2006/19C01P2006/22C01P2006/82C01P2006/90C08K3/22C08K2003/2227C09C1/407C09K21/14H01B7/295
    • A flame retardant polymer composition consists of a) 20–60 percent by weight of a thermoplastic and/or cross-linked or cross-linkable elastomer and b) as a flame retardant agent 40–80 percent by weight either of an aluminum hydroxide with the material values specific surface according to BET 3–5 mg2/g mean grain size d50 1.0–1.5 μm residual moisture 0.1–0.4% oil absorption 19–23% water absorption 0.4–0.6 ml/g or of an aluminum hydroxide with the material values specific surface according to BET 5–8 m2/g mean grain size d50 0.8–1.3 μm residual moisture 0.1–0.6% oil absorption 21–25% water absorption 0.6–0.8 ml/g. A process of producing the flame retardant agent is characterised in that a filter-moist aluminum hydroxide obtained by precipitation and filtration with a mean grain size of 0.8 to 1.5 μm is subjected to mill drying in a turbulent hot air stream in such a way that, while the grain distribution is largely retained, the BET surface is increased by at least 20%.
    • 阻燃聚合物组合物由以下组成:a)20-60重量%的热塑性和/或交联或可交联的弹性体,和b)作为阻燃剂,40-80重量%的氢氧化铝与 材料值比表面积根据BET 3-5mg 2 / g平均粒径d <50>1.0-1.5μm残余水分0.1-0.4%吸油量19-23%水 吸收0.4-0.6ml / g或具有根据BET 5-8m 2 / g的材料值比表面积的氢氧化铝的平均粒径d <50> 0.8-1.3 妈妈残留水分0.1-0.6%吸油量21-25%吸水率0.6-0.8 ml / g。 制造阻燃剂的方法的特征在于将平均粒径为0.8-1.5μm的沉淀和过滤得到的过滤湿的氢氧化铝在湍流热空气流中进行碾磨干燥, 而颗粒分布大部分保留,则BET表面增加至少20%。
    • 5. 发明授权
    • Apparatus for connecting a first web of a web form material, which web
unwinds from a first roll, to the lead end of a second web of a
web-form material, which web unwinds from a second roll
    • 用于将卷筒纸形成材料的第一幅材连接到卷筒纸材料的第一幅材上的装置,该幅材从第一卷筒卷绕到卷筒纸材料的第二纸幅的引导端,该纸幅从第二卷筒
    • US3989576A
    • 1976-11-02
    • US480167
    • 1974-06-17
    • Heinrich CollinHans MosburgerGunther LauHermann Josef Brandl
    • Heinrich CollinHans MosburgerGunther LauHermann Josef Brandl
    • B65H19/10B65H19/18B65H19/08
    • B65H19/1836B65H19/10B65H2301/46024
    • An apparatus for fixing the leading edge of a second rolled web to a point at or near the trailing edge of a first rolled web. The present invention is an improvement over the disclosure of U.S. Pat. No. 3,837,954, issued Sept. 24, 1974, wherein the leading edge of a second roll was adhered to a transfer roll while the trailing end of the first web was contacted by a suitable base roll. In this improvement, a fluid operated carriage forms a resiliently braked loop following the base roll and permits the web at the base roll to slow as needed to pick up the second web while not diminishing the speed of exiting of the web from the transfer apparatus. The carriage is moved in one direction to compensate for this change in relative speeds. The carriage is then caused to move in the opposite direction to generate a smoothly increasing force resisting such yielding then progressively increasing the pull on the web and its speed of withdrawal from the second roll. Thus, adherence between the webs is completed by the time tension is placed onto the point of adherence for the acceleration of the second roll.
    • 一种用于将第二卷筒纸的前缘固定到第一卷筒纸的后缘处或附近的点的装置。 本发明是对美国专利公开的公开内容的改进。 1974年9月24日公布的第3,837,954号,其中第二卷的前缘被粘附到转印辊上,而第一幅材的后端通过合适的基底辊接触。 在这种改进中,流体操作的托架形成沿着基底辊的弹性制动环,并且允许基辊处的卷材根据需要减慢以拾取第二幅材,同时不降低幅材从转印装置的退出速度。 滑架在一个方向上移动以补偿相对速度的这种变化。 然后使托架沿相反方向移动以产生抵抗这种屈服的平稳增加的力,然后逐渐增加幅材上的拉力及其从第二辊的退出速度。 因此,通过将时间张力放置在粘附点上以加速第二辊来完成卷材之间的粘附。