Process for improving the flowability of dimerized 2,4-tolylened

Details Process for improving the flowability of dimerized 2,4-tolylened Process for improving the flowability of dimerized 2,4-tolylened

1991-01-08

1992-03-31

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

2521822, 540202, 10628734, C08G 1878

Patent

active

051009986

ABSTRACT:
The invention relates to a process for improving the flowability and preventing the agglomeration of finely divided dimerized 2,4-toluene diisocyanate in which a precipitated silicas and/or pyrogenic silica having a hydrophobic surface is added to the finely divided dimerized 2,4-toluene diisocyanate. The invention also relates to the finely divided dimerized 2,4-toluene diisocyanate prepared by this process.

REFERENCES:
patent: 3223584 (1965-12-01), Luckenbaugh et al.

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