Nanoporous polymer foams
    3.
    发明授权
    Nanoporous polymer foams 有权
    纳米多孔聚合物泡沫

    公开(公告)号:US08529808B2

    公开(公告)日:2013-09-10

    申请号:US13112120

    申请日:2011-05-20

    IPC分类号: C08J9/04

    摘要: Process for the production of nanoporous polymer foams, comprising the stages a) loading of a single-phase, thermoplastic polymer melt with a gas under a pressure and at a temperature at which the gas is in the supercritical state, b) heating of the laden polymer melt to a temperature which lies in the range from 40° C. under to 40° C. over the glass transition temperature of the unladen polymer melt determinable by means of DSC according to DIN-ISO 11357-2 at a heating rate of 20 K/min, c) depressurization of the polymer melt loaded in stage a) and heated in stage b) with a depressurization rate in the range from 15,000 to 200,000 MPa/sec, and the nanoporous polymer foams with a cell count in the range from 1,000 to 100,000 cells/mm and a density in the range from 10 to 500 kg/m3 obtainable according to the process.

    摘要翻译: 制备纳米多孔聚合物泡沫的方法,包括以下步骤:a)在压力和气体处于超临界状态的温度下,用气体装载单相热塑性聚合物熔体,b)加载载荷 聚合物熔融到在40℃至40℃范围内的温度,超过可通过根据DIN-ISO 11357-2的DSC的加热速率为20°的可测定的未饱和聚合物熔体的玻璃化转变温度 K / min,c)在步骤a)中加载的聚合物熔体减压,并在阶段b)中以15,000至200,000MPa / sec的减压速率加热,并且具有细胞计数的纳米多孔聚合物泡沫 1,000至100,000个细胞/ mm 2,密度在10-500kg / m 3的范围内。

    NANOPOROUS POLYMER FOAMS
    4.
    发明申请

    公开(公告)号:US20110287260A1

    公开(公告)日:2011-11-24

    申请号:US13112120

    申请日:2011-05-20

    摘要: Process for the production of nanoporous polymer foams, comprising the stages a) loading of a single-phase, thermoplastic polymer melt with a gas under a pressure and at a temperature at which the gas is in the supercritical state, b) heating of the laden polymer melt to a temperature which lies in the range from 40° C. under to 40° C. over the glass transition temperature of the unladen polymer melt determinable by means of DSC according to DIN-ISO 11357-2 at a heating rate of 20 K/min, c) depressurization of the polymer melt loaded in stage a) and heated in stage b) with a depressurization rate in the range from 15,000 to 200,000 MPa/sec, and the nanoporous polymer foams with a cell count in the range from 1,000 to 100,000 cells/mm and a density in the range from 10 to 500 kg/m3 obtainable according to the process.

    摘要翻译: 制备纳米多孔聚合物泡沫的方法,包括以下步骤:a)在压力和气体处于超临界状态的温度下,用气体装载单相热塑性聚合物熔体,b)加载载荷 聚合物熔融到在40℃至40℃范围内的温度,超过可通过根据DIN-ISO 11357-2的DSC的加热速率为20°的可测定的未饱和聚合物熔体的玻璃化转变温度 K / min,c)在步骤a)中加载的聚合物熔体减压,并在阶段b)中以15,000至200,000MPa / sec的减压速率加热,并且具有细胞计数的纳米多孔聚合物泡沫 1,000至100,000个细胞/ mm 2,密度在10-500kg / m 3的范围内。