发明名称 |
Styrene polymer resin and composition thereof |
摘要 |
The present invention provides a method for manufacturing a styrene-based polymer comprising the steps of continuously feeding raw materials into one end of two or more polymerization vessels connected in series; polymerizing a styrenic monomer in the coexistence of a (meth)acrylate ester monomer by using an organic radical generating agent as an initiator by a mass or solution polymerization method of continuous process; and continuously taking out a product from another end of said polymerization vessels, wherein polymerization conditions are controlled in ranges specified by the following items (a) and (b): (a) a composition of monomers to be fed is 60 to 97% by weight of a styrenic monomer(s) and 3 to 40% by weight of a (meth)acrylate ester monomer(s); and (b) a concentration of the (meth)acrylate ester monomer(s) at any part of said polymerization vessels exceeds 1% by weight based on total monomers at any time during the polymerization. |
申请公布号 |
US2004192844(A1) |
申请公布日期 |
2004.09.30 |
申请号 |
US20040482801 |
申请日期 |
2004.01.05 |
申请人 |
IKEMATSU TAKESHI;KAWASAKI TOSHIHARU;OHTANI IKUJI;TOYAMA MITSUTOSHI |
发明人 |
IKEMATSU TAKESHI;KAWASAKI TOSHIHARU;OHTANI IKUJI;TOYAMA MITSUTOSHI |
分类号 |
C08F2/00;C08F2/02;C08F2/04;C08F212/06;C08F218/02;C08K5/14;C08L25/14;C08L53/00;(IPC1-7):C08L53/00 |
主分类号 |
C08F2/00 |
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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