发明名称 |
MICROSPHERES |
摘要 |
<p>The invention relates to thermally expandable thermoplastic microspheres comprising a polymer shell made from ethylenically unsaturated monomers encapsulating a propellant, said ethylenically unsaturated monomers comprising from 20 to 80 wt% of acrylonitrile, from 20 to 80 wt% of monomers selected from the group consisting of esters of acrylic acid, from 0 to 10 wt% of methacrylonitrile, from 0 to 40 wt% of monomers selected from the group consisting of esters of methacrylic acid, the total amount of acrylonitrile and esters of acrylic acid constituting from 50 to 100 wt% of said ethylenically unsaturated monomers, and said propellant comprising at least one of methane, ethane, propane, isobutane, n-butane and isopentane. The invention further relates to the production and use of the microspheres.</p> |
申请公布号 |
WO2007091961(A1) |
申请公布日期 |
2007.08.16 |
申请号 |
WO2007SE50012 |
申请日期 |
2007.01.12 |
申请人 |
AKZO NOBEL N.V.;EKA CHEMICALS AB;NORDIN, OVE;STROEM, HELENE;NYHOLM, CHRISTINA;KRON, ANNA |
发明人 |
NORDIN, OVE;STROEM, HELENE;NYHOLM, CHRISTINA;KRON, ANNA |
分类号 |
B01J13/14;D06N3/00;D21H21/54 |
主分类号 |
B01J13/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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