Method for reacting thermoplastic polyurethanes (i) with...

Details Method for reacting thermoplastic polyurethanes (i) with... Method for reacting thermoplastic polyurethanes (i) with...

2004-11-27

2010-12-28

Gulakowski, Randy (Department: 1796)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S453000, C528S044000, C528S067000, C528S085000

Reexamination Certificate

active

07858712

ABSTRACT:
The invention relates to a process for reacting (i) thermoplastic polyurethanes with (ii) compounds having isocyanate groups, where the (ii) compounds used having isocyanate groups comprise (iia) compounds having at least three isocyanate groups based on aliphatic isocyanates and (iib) compounds having two isocyanate groups based on aromatic isocyanates.

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Mark, Herman, et. al., eds. Encyclopedia of Polymer Science and Engineering, 2nd ed., Polyurethanes; vol. 13. p. 254. J. Wiley and Sons, New York, NY. 1985.

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