Hyperbranched polymer modified with isocyanate linker and mix of short and long chain alkyl polyether

Patent metadata

Field	Value
Publication number	US-10316131-B2
Application number	US-201515540187-A
Country	US
Kind code	B2
Filing date	Dec 11, 2015
Priority date	Dec 23, 2014
Publication date	Jun 11, 2019
Grant date	Jun 11, 2019

Abstract

c2) one or more poly(C2-C3)alkylene glycol mono-(C8-C22)-alkyl ethers, wherein the weight ratio of components c1):c2) is from 9:1 to 1:9. It further relates to a process for producing the polymer, to a composition comprising the polymer and an active ingredient, and to a method for controlling phytopathogenic fungi or undesired vegetation or insect or acarid infestations or for regulating the growth of plants.

First claim

The invention claimed is:

1. Hyperbranched polymer comprising
a) a hyperbranched polycondensate with hydroxyl end groups, amino end groups, or a combination thereof condensed to
b) one or more linkers connected to
c1) one or more polyethylene glycol monomethyl ethers and
c2) one or more poly(C 2 -C 3 )alkylene glycol mono-(C 8 -C 22 )-alkyl ethers,
wherein the weight ratio of components c1):c2) is from 9:1 to 1:9.

2. The hyperbranched polymer according to claim 1 , wherein the hyperbranched polycondensate (a) is a polycarbonate (a1), a polyester (a2), a polyimide (a3), a polyurethane (a4) or a polyurea (a5).

3. The hyperbranched polymer according to claim 1 , wherein the polycondensate (a) amounts to 5 to 70 wt.-% of the total weight of the hyperbranched polymer.

4. The hyperbranched polymer according to claim 1 , wherein the linkers (b) are polyisocyanates with a functionality of 1.5 to 4.5 isocyanate groups per molecule.

5. The hyperbranched polymer according to claim 1 , wherein the amount of components (c1) and (c2) based on the total amount of the hyperbranched polymer is from 90 to 30 wt.-%.

6. The hyperbranched polymer according to claim 1 , wherein the polyethylene glycol monomethyl ether (c1) has a molecular weight of 300 to 2000 g/mol.

7. The hyperbranched polymer according to claim 1 , wherein the polyalkylene glycol monoalkyl ethers (c2) are compounds of the formula
R 1 —(O—CH 2 —CH 2 ) q (O—CH(CH 3 )—CH 2 ) t —O—

wherein
each R 1 is independently linear or branched C 8 -C 22 -alkyl;
q is a natural number from 1 to 50; and
r is 0 or is a natural number from 1 to 30, with the proviso that 5≤q+r≤50.

8. The hyperbranched polymer according to claim 1 , wherein the hyperbranched polycondensate (a) is a hyperbranched polycarbonate (a1) which comprises an alcohol (B1) in polymerized form, wherein the alcohol (B1) is a trifunctional or higher-functionality polyetherol based on alcohols which have at least three OH groups, and C 2 -C 24 alkylene oxide.

9. The hyperbranched polymer of claim 1 , wherein the weight ratio of components (c1) to (c2) is from 7:3 to 1:9.

10. The hyperbranched polymer of claim 1 , wherein the weight ratio of components (c1) to (c2) is from 7:3 to 2:8.

11. The hyperbranched polymer of claim 1 , wherein the weight ratio of components (c1) to (c2) are from 5:1 to 1:3.

12. A process for producing hyperbranched polymer according to claim 1 comprising the steps of:
α-1 reacting a hyperbranched polycondensate with hydroxyl end groups, amino end groups, or a combination thereof with a linker (b), and
α-2 reacting the product of step α-1 with a mixture of at least one polyethylene glycol monomethyl ether (c1) and at least one poly(C 2 -C 3 )-alkylene glycol mono-(C 8 -C 22 )-alkyl ether, wherein the weight ratio of c1):c2) is from 9:1 to 1:9.

13. A composition comprising the hyperbranched polymer according to claim 1 and an active ingredient.

14. The composition according to claim 13 , wherein the composition is an agrochemical composition comprising a pesticidal active ingredient.

15. A process for producing the composition according to claim 1 further comprising an active ingredient, the process comprising the step of contacting a hyperbranched polymer of claim 1 and the active ingredient.

16. A method for controlling phytopathogenic fungi or undesired vegetation or insect or acarid infestations or for regulating the growth of plants, comprising at least one of:
applying a pesticidal composition according to claim 14 to the pests;
applying a pesticidal composition according to claim 14 to undesired plants;
applying a pesticidal composition according to claim 14 to plants to be protected;
applying a pesticidal composition according to claim 14 the soil of the plants to be protected;
applying a pesticidal composition according to claim 14 to where the undesired plants grow;
and combinations thereof.

17. A process for producing hyperbranched polymer according to claim 1 comprising the steps:
β-1 reacting a mixture of at least one polyethylene glycol monomethyl ether (c1) and at least one poly(C 2 -C 3 )-alkylene glycol mono-(C 8 -C 22 )-alkyl ether, wherein the weight ratio of c1):c2) is from 9:1 to 1:9 with a linker (b), and
β-2 reacting the product of step β-1 with a hyperbranched polymer with a plurality of end groups selected from hydroxyl end groups, amino end groups, and combinations thereof.

18. A process for producing the composition according to claim 1 wherein the composition of claim 1 is an agrochemical composition further comprising a pesticidal active ingredient, the process comprising the step of contacting a hyperbranched polymer of claim 1 and the pesticidal active ingredient.

Assignees

• Basf Se

Inventors

• Mertoglu Murat
• Westerhaus Felix Alexander
• Stadler Daniel
• Crone Benedikt
• Marguerre Ann-Kathrin
• Berghaus Rainer

Classifications

• C08G18/792

  formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates · CPC title

• A01N43/56

  1,2-Diazoles; Hydrogenated 1,2-diazoles · CPC title

• C08G18/4236

  containing only aliphatic groups · CPC title

• A01N25/04 Primary

  Dispersions, {emulsions, suspoemulsions, suspension concentrates} or gels (foams A01N25/16) · CPC title

• A61K31/216

  of acids having aromatic rings, e.g. benactizyne, clofibrate · CPC title