Amphiphilic polymer compositions and their use

Details Amphiphilic polymer compositions and their use Amphiphilic polymer compositions and their use

2011-01-18

2011-01-18

Eashoo, Mark (Department: 1796)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C525S377000, C525S187000, C524S502000

Reexamination Certificate

active

07872067

ABSTRACT:
The present invention relates to amphiphilic polymer compositions, to a process for their preparation and to their use for preparing aqueous active compound compositions of water-insoluble active compounds, in particular active compounds for crop protection.The amphiphilic polymer compositions can be obtained by reactinga) at least one hydrophobic polymer P1 which carries functional groups R1which are reactive toward isocyanate groups and which is constructed of ethylenically unsaturated monomers M1, comprising:a1) at least 10% by weight, based on the total amount of monomers M1, of monomers M1a of the formula I in which X is oxygen or a group N—R4;R1, R2, R3and R4are as defined in the claims and the description;a2) up to 90% by weight, based on the total amount of monomers M1, of neutral monoethylenically unsaturated monomers M1b whose solubility in water at 25° C. is less than 50 g/l and which are different from the monomers M1a; anda3) up to 30% by weight, based on the total amount of monomers M1, of ethylenically unsaturated monomers M1c which are different from the monomers M1a and M1b,b) at least one hydrophilic polymer P2 which carries functional groups R2which are reactive toward isocyanate groups,c) with at least one compound V which contains isocyanate groups and, with respect to the isocyanate groups, has a functionality of at least 1.5.

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