发明名称 |
Phthalate-free isocyanurate preparations |
摘要 |
<p>Preparation comprises 15-50 wt.% of an isocyanate group-containing isocyanurate, 85-50 wt.% of n- or iso-alkyl benzoate and 0.01-2 wt.% of Mannich base. An independent claim is included for producing the preparation, comprising performing the trimerization of isocyanate group-containing isocyanurate in the presence of n- or iso-alkyl benzoate and in the presence of at least one Mannich base acting as catalyst in the temperature of 40-140[deg] C and terminating the trimerization by thermal decomposition of the catalyst or by adding a catalyst poison when the content of free toluene diisocyanate in the reaction mixture lies below 1 wt.%.</p> |
申请公布号 |
EP2354172(B1) |
申请公布日期 |
2012.11.21 |
申请号 |
EP20100152965 |
申请日期 |
2010.02.08 |
申请人 |
LANXESS DEUTSCHLAND GMBH;BAYER MATERIALSCIENCE AG |
发明人 |
AUGUSTIN, THOMAS;SANDERS, JOSEF |
分类号 |
C08G18/02;C08G18/18;C08G18/70;C08G18/79;C08L27/06;C09D127/06 |
主分类号 |
C08G18/02 |
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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