Heat-expandable microspheres and a process for producing the same
    3.
    发明授权
    Heat-expandable microspheres and a process for producing the same 有权
    热膨胀性微球及其制造方法

    公开(公告)号:US08329298B2

    公开(公告)日:2012-12-11

    申请号:US12067771

    申请日:2006-10-04

    IPC分类号: C08J9/16 B32B15/02

    摘要: A method that heat-expandable microspheres includes the use of a shell of thermoplastic resin and a non-fluorine blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin. The method includes, a step of dispersing an oily mixture containing a polymerizable component, the blowing agent, and a polymerization initiator containing a peroxydicarbonate in an aqueous dispersing medium to polymerize the polymerizable component contained in the oily mixture. The resultant heat-expandable microsphres have a shell which is less apt to become thinner than its theoretical value, contain minimum amount of resin particle inside their shell, and have excellent heat-expanding performance.

    摘要翻译: 热膨胀性微球的方法包括使用热塑性树脂的壳和封入其中的沸点不高于热塑性树脂的软化点的非氟发泡剂。 该方法包括:将含有可聚合组分的油性混合物,发泡剂和含有过氧化二碳酸酯的聚合引发剂在含水分散介质中分散以使包含在油性混合物中的可聚合组分聚合的步骤。 所得到的热膨胀微孔具有较不易于其理论值变薄的外壳,其外壳中含有最少量的树脂颗粒,并且具有优异的热膨胀性能。

    HEAT-EXPANDABLE MICROSPHERES AND A PROCESS FOR PRODUCING THE SAME
    7.
    发明申请
    HEAT-EXPANDABLE MICROSPHERES AND A PROCESS FOR PRODUCING THE SAME 有权
    可热膨胀的微球及其制造方法

    公开(公告)号:US20090176098A1

    公开(公告)日:2009-07-09

    申请号:US12067771

    申请日:2006-10-04

    IPC分类号: C08J9/16 B32B1/00

    摘要: A method that heat-expandable microspheres includes the use of a shell of thermoplastic resin and a non-fluorine blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin. The method includes a step of dispersing an oily mixture containing a polymerizable component, the blowing agent, and a polymerization initiator containing a peroxydicarbonate in an aqueous dispersing medium to polymerize the polymerizable component contained in the oily mixture. The resultant heat-expandable microspheres have a shell which is less apt to become thinner than its theoretical value, contain minimum amount of resin particle inside their shell, and have excellent heat-expanding performance.

    摘要翻译: 热膨胀性微球的方法包括使用热塑性树脂的壳和封入其中的沸点不高于热塑性树脂的软化点的非氟发泡剂。 该方法包括将含有可聚合组分的油性混合物,发泡剂和含有过氧化二碳酸酯的聚合引发剂分散在水性分散介质中以使包含在油性混合物中的可聚合组分聚合的步骤。 所得到的热膨胀性微球体的外壳不易于其理论值变薄,在其壳内含有最少量的树脂颗粒,并且具有优异的热膨胀性能。