Process for providing isocyanurate modified methyldiphenyldiisocyanate

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United States of America Patent

PATENT NO 9908964
SERIAL NO

13638636

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Importance

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Abstract

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A process for providing isocyanurate modified methyl diphenyl diisocyanate is provided,

    the process comprises determine the NCO-value of the MDI;define the NCO-value for MDI;define a ratio of the volume of the MDI to be trimerised over volume of the MDI not to be trimerised;determine, in function of this ratio, the NCO-value of the isocyanurate modified MDI to be provided and the NCO-value of the MDI a target NCO-value for the part of MDI to be trimerised;divide the MDI in two part according to the defined ratio;provide a trimerised part of the MDI by trimerising one of these parts until the target NCO-value is obtained; andterminate the trimerisation by killing the trimerisation catalyst and blend the two parts with each other.

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Patent Owner(s)

Patent OwnerAddress
HUNTSMAN INTERNATIONAL LLC10003 WOODLOCH FOREST DRIVE THE WOODLANDS TX 77380

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bosman, Joris Karel Peter Herselt, BE 10 33
Mangelschots, Nicole Wilsele, BE 4 10

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