专利内容由知识产权出版社提供
专利名称：Process for improving the flowability of
dimerized 2,4- tolylenediisocyanate
发明人：Richard Kopp,Gerhard Grogler,Heinrich
Hess,Lutz Georgias,Helmut Hurnik,Hans D.Thomas
申请号：US07/638879申请日：19910108公开号：US05100998A公开日：19920331
摘要：The invention relates to a process for improving the flowability and preventingthe agglomeration of finely divided dimerized 2,4-toluene diisocyanate in which aprecipitated silicas and/or pyrogenic silica having a hydrophobic surface is added to thefinely divided dimerized 2,4- toluene diisocyanate. The invention also relates to the finelydivided dimerized 2,4-toluene diisocyanate prepared by this process.
申请人：BAYER AKTIENGESELLSCHAFT
代理人：Joseph C. Gil,Godfried R. Akorli
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