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    • 6. 发明授权
    • Preparation of flameproofed polystyrene
    • 防火聚苯乙烯的制备
    • US5059650A
    • 1991-10-22
    • US241806
    • 1988-09-07
    • Manfred GoettschHubert KindlerNorbert MoedersheimGuenther Rudolph
    • Manfred GoettschHubert KindlerNorbert MoedersheimGuenther Rudolph
    • C08J3/20C08K5/02
    • C08J3/203C08K5/02C08J2325/06
    • A process for the preparation of flameproofed polystyrene whicha) contains halohydrocarbons as flameproofing agents and which additionally contains one or more agents from the group ofb) synergists for the flameproofing agent,c) stabilizers,d) antioxidants ande) additivesby mixing polystyrene with one or more of agents a) to e) in a plurality of stages, wherein in a first stage the flameproofing agent a) and the entire amount or a proportion of the stabilizers c) are premixed at up to 100.degree. C. in a mixing apparatus and this premix is then, in a second stage, mixed with the other agents, in a continuously operated single-screw or twin-screw extruder or a kneader of conventional construction, in such a manner that, viewed in the conveying direction of the extruder, first the premix, with or without other agents, is continuously fed in and thereafter, in the further mixing zones, a melt of a polystyrene resin, which has been substantially freed from monomers and solvents and is at from 200.degree. to 250.degree. C., with or without other agents, is directly introduced into the above product stream, and, using methods known per se, the flameproofed polystyrene is discharged from the extruder and isolated as granules.
    • 一种制备防火聚苯乙烯的方法,其中a)含有卤代烃作为防火剂,并另外含有一种或多种以下组中的药剂:b)防火剂的增效剂,c)稳定剂,d)抗氧化剂和e)通过混合聚苯乙烯 其中一种或多种试剂a)至e)在多个阶段中,其中在第一阶段中,所述防火剂a)和稳定剂c)的全部量或一定比例在高达100℃下预混合在 混合装置,然后将该预混合物在第二阶段中与其它试剂在连续操作的单螺杆或双螺杆挤出机或常规结构的捏合机中混合,使得从传送方向观察 挤出机首先将有或没有其它试剂的预混物在其它混合区中连续进料,然后在聚合物树脂的熔体中基本上脱离单体和溶剂,并在 从200℃至250℃,有或没有其他试剂直接引入上述产物流中,并且使用本身已知的方法,将防火聚苯乙烯从挤出机中排出并分离成颗粒。
    • 7. 发明授权
    • Method of and apparatus for sorting light refuse fractions
    • 轻质垃圾分类的分类方法和设备
    • US4094772A
    • 1978-06-13
    • US798487
    • 1977-05-19
    • Klaus HillekampHubert Kindler
    • Klaus HillekampHubert Kindler
    • D21B1/06B04C9/00B07B9/02B07B11/06B07B13/00B07C5/34
    • B07B9/02B04C9/00B07B11/06B07B13/003B04C2009/002Y10S209/93
    • A light refuse fraction including flat pieces of different rip resistance, such as relatively rip-resistant synthetic-resin foils and textiles and less rip-resistant paper, is separated by first suspending the material in a gas stream which is passed over an entrapment element. This entrapment element is so oriented that pieces of the material catch on it. The speed of the stream of gas relative to the entrapment element is such that the less rip-resistant pieces tear free from the entrapment element and the more rip-resistant pieces remain caught on it. Thereafter a stripper element serves to clear the more rip-resistant pieces off the entrapment element and segregate them from the less rip-resistant pieces. In this manner it is possible to recover from the light fraction separated out in a refuse-sorting plant the flat pieces of paper that are recycled for use in making paper products.
    • 通过首先将材料悬浮在通过夹带元件的气流中来分离包括不同撕裂电阻的平坦片的诸如相对撕裂的合成树脂箔和纺织品以及较少防撕裂纸的轻质垃圾部分。 这种夹带元件是如此定向的,使得材料块在其上捕获。 气体相对于夹带元件的速度使得较少的防撕裂片从夹带元件撕开,并且更多的防撕裂块仍然卡在其上。 此后,剥离器元件用于从夹带元件清除更多的抗撕裂件,并将它们从较少的防撕裂件分离。 以这种方式,可以从垃圾分类设备中分离的轻馏分回收用于制造纸制品的再循环的平纸。