ANTI-LUMPING COMPOUNDS FOR USE WITH EXPANDABLE POLYSTYRENES
    4.
    发明申请
    ANTI-LUMPING COMPOUNDS FOR USE WITH EXPANDABLE POLYSTYRENES 审中-公开
    使用可膨胀的聚苯乙烯的防滴剂化合物

    公开(公告)号:WO03029335A3

    公开(公告)日:2003-09-04

    申请号:PCT/EP0209928

    申请日:2002-09-05

    CPC classification number: C08J9/224 C08J9/16 C08J2325/04

    Abstract: An anti-lumping agent for use with expandable polystyrene beads is disclosed. The expandable polystyrene beads comprise a styrene or styrene derivative polymer in combination with a blowing agent. Typical blowing agents are C3-C6 hydrocarbons, with pentane being especially preferred. The anti-lumping agents include block copolymers formed from blocks of ethylene oxide and propylene oxide. Preferably, the copolymers have a number average molecular weight of from about 4,000 to 15,000 g/mol, and a hydrophilic-lipophilic balance number of from about 16 to 29. The anti-lumping agents significantly reduce the lumping potential of the expandable polystyrene beads, especially when they are expanded to low densities of from about 12.0 - 24.0 g/l (1.5 to 0.75 lbs. per cubic foot), and more preferably to densities of from about 13.6 - 19.2 g/l (1.2 to 0.85 pcf).

    Abstract translation: 公开了一种用于可发泡聚苯乙烯珠的抗结块剂。 可发性聚苯乙烯珠包含与发泡剂组合的苯乙烯或苯乙烯衍生物聚合物。 典型的发泡剂是C3-C6烃,特别优选戊烷。 抗结块剂包括由环氧乙烷和环氧丙烷嵌段形成的嵌段共聚物。 优选地,共聚物的数均分子量为约4,000至15,000g / mol,亲水亲油平衡数为约16至29.抗结块剂显着降低可发性聚苯乙烯珠的集结电位, 特别是当它们膨胀至约12.0-24.0g / l(1.5至0.75磅/立方英尺)的低密度时,更优选为约13.6-19.2g / l(1.2至0.85pcs)的密度。

    5.
    发明专利
    未知

    公开(公告)号:BRPI0518773A2

    公开(公告)日:2008-12-09

    申请号:BRPI0518773

    申请日:2005-12-01

    Applicant: BASF AG

    Abstract: Expandable styrene polymer granules with halogen-free flame retardancy, comprising a) from 5 to 50% by weight of a filler selected from pulverulent inorganic substances such as talc, chalk, kaolin, aluminum hydroxide, aluminum nitrite, aluminum silicate, barium sulfate, calcium carbonate, titanium dioxide, calcium sulfate, silica, quartz flour, aerosil, alumina or wollastonite, and b) from 2 to 40% by weight of expandable graphite having a mean particle size in the range from 10 to 1000 mum, c) from 0 to 20% by weight of red phosphorus or an organic or inorganic phosphate, phosphite or phosphonate, d) from 0 to 10% by weight of carbon black or graphite, and processes for their preparation and use for preparing self-extinguishing polystyrene particle foams.

    8.
    发明专利
    未知

    公开(公告)号:BRPI0508977A

    公开(公告)日:2007-08-28

    申请号:BRPI0508977

    申请日:2005-03-26

    Applicant: BASF AG

    Abstract: The invention relates to a thermal insulation composite, comprising two metal sheets with a thermally-insulating core material, whereby, between the thermally-insulating core material and at least one of the metal sheets, a fire protection layer with an intumescent mass is arranged. The invention further relates to a method for production thereof and use thereof for the manufacture of storage or refrigerated warehouses.

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