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1. (WO2008132045) SUBSTRATES WITH BIOCIDAL COATING
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

Claims

1. A process for coating the surface of a substrate, which process comprises the following steps
(i) oxidizing the surface of the substrate
(ii) applying a composition comprising one or more quaternary ammonium compounds carrying one or more ethylenically unsaturated groups onto the oxidized surface of the substrate and
(iii) curing the composition in order to form a coating layer.

2. The process of claim 1 , wherein the one or more quaternary ammonium compounds carrying one or more ethylenically unsaturated groups are of formula


wherein
R1, R2 and R3 can be the same or different and are hydrogen, halogen or d-6-alkyl,
R4, R5 and R6 can be the same or different and are Ci-30-alkyl, C2-3o-alkenyl, C3-8-cycloalkyl, aryl, or R4 and R5 together with the N of the ammonium group form a 4 to 8 membered cycle, wherein one CH2 group of the cycle may be replaced with NH or O,

Q and Y can be the same or different and are Ci-i5-alkylene,
M is a bridging group,
n and m can be the same or different and are 0 or 1 ,
J" is an anion,

wherein Ci-3o-alkyl, C2-3o-alkenyl, C3-8-cycloalkyl or Ci-i5-alkylene can be unsubstituted or substituted with one or more aryl, OC2-6-alkenyl, halogen, CN, C(O)OR7, C(O)NR8R9, OR10, NR11R12, NHC(O)C(R13)=C(R14)R15, OC(O)C(R16)=C(R17)R18 or C(O)OC(R19)=C(R20)R21;

wherein aryl can be unsubstituted or substituted with one or more Ci-6-alkyl, C2-6-alkenyl, OC2-6-alkenyl, halogen, CN, C(O)OR7, C(O)NR8R9, OR10, NR11R12, NHC(O)C(R13)=C(R14)R15, OC(O)C(R16)=C(R17)R18 or C(O)OC(R19)=C(R20)R21;

wherein R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20 and R21 can be the same or different and are hydrogen or Ci-6-alkyl,

and one or more CH2-groups of Ci-i5-alkylene can be replaced by N-CH2-CH=CH2,
CH-CH=CH2, NH and/or O.

3. The process of claim 1 or 2, wherein the composition also comprises one or more further ethylenically unsaturated compounds.

4. The process of any claims 1 to 3, wherein the composition also comprises one or more radical initiators.

5. The process of any of claims 1 to 4, wherein the composition does not comprise one or more radical initiators.

6. The process of any of claims 1 to 5, wherein the composition also comprises a solvent.

7. The process of any of claims 1 to 6, wherein the composition also comprises additional components.

8. The process of any of claims 1 to 7, wherein one or more biocides are applied to the surface of the substrate before step (i), after step (i) and before step (ii), after step (ii) and before step (iii), or after step (iii).

9. The process of any of claims 1 to 8, wherein the substrate is already pre-coated with one or more pre-coating layers.

10. A substrate obtainable by the process of any of claims 1 to 9.

1 1. A mixture of one or more quaternary ammonium compounds carrying one or more ethylenically unsaturated groups of formula

)

wherein
R1, R2 and R3 can be the same or different and are hydrogen, halogen or Ci-6-alkyl,
R4, R5 and R6 can be the same or different and are Ci-3o-alkyl, C2-3o-alkenyl, C3-8-cycloalkyl, aryl, or R4 and R5 to gether with the N of the ammonium group form a 4 to 8 membered cycle, wherein one CH2 group of the cycle may be replaced with NH or O,

Q and Y can be the same or different and are C-ι-6-alkylene,
M is a bridging group,
n and m can be the same or different and are 0 or 1 ,
J" is an anion,

wherein Ci-3o-alkyl, C2-3o-alkenyl, C3-8-cycloalkyl or Ci-6-alkylene can be unsubstituted or substituted with one or more aryl, OC2-30-alkenyl, halogen, CN, C(O)OR7, C(O)NR8R9, OR10, NR11R12, NHC(O)C(R13)=C(R14)R15, OC(O)C(R16)=C(R17)R18 or C(O)OC(R19)=C(R20)R21;

wherein aryl can be unsubstituted or substituted with one or more C-ι-6-alkyl, C2-6-alkenyl, OC2-3o-alkenyl, halogen, CN, C(O)OR7, C(O)NR8R9, OR10, NR11R12,
NHC(O)C(R13)=C(R14)R15, OC(O)C(R16)=C(R17)R18 or C(O)OC(R19)=C(R20)R21;

wherein R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20 and R21 can be the same or different and are hydrogen or Ci-6-alkyl,

and one or more CH2-groups of Ci-6-alkylene can be replaced by N-CH2-CH=CH2,
CH-CH=CH2, NH and/or O,

and one or more ethylenically unsaturated compounds of formula

wherein

R22, R23 and R24 can the same or different and are hydrogen, halogen or d-6-alkyl,

A is aryl, halogen, CN, C(O)R25, C(O)OR26, OR27, OC(O)R28, NR29C(O)R30 or C(O)NR31R32,

wherein

R25, R26, R27, R28, R31 and R32 can be the same or different and are hydrogen, Ci.-ioo-alkyl, C3-8-cycloalkyl, C2-3o-alkenyl, aryl, d-e-alkylene-aryl-d-e-alkyl, Ci.6-alkylene-aryl-(Ci.6-alkyl)2, d-e-alkylene-Ci-^-cycloalkyl-d-e-alkyl, Ci-6-alkylene-Ci-i2-cycloalkyl-(Ci-6-alkyl)2 or aryl-d-30-alkylene-aryl, and R29 and R30 can be the same or different and have the same meaning as R26, or, together with NC(O), form a four to seven membered cycle, wherein

d.-ioo-alkyl, d-e-alkylene-aryl-d-e-alkyl, Ci-6-alkylene-aryl-(Ci-6-alkyl)2, d-6-alkylene-d.^-cycloalkyl-d-e-alkyl and Ci-6-alkylene-Ci-i2-cycloalkyl-(Ci-6-alkyl)2 can be unsubstituted or substituted with one or more C3-8-cycloalkyl, aryl, OC2-3o-alkenyl, halogen, CN, C(O)OR33, C(O)NR34R35, OR36, NR37R38, NHC(O)C(R39)=C(R40)R41, OC(O)C(R42)=C(R43)R44 or
C(O)OC(R45)=C(R46)R47;

C2-3o-alkenyl group can be unsubstituted or substituted with one or more C3-8-cycloalkyl, aryl, halogen, CN, C(O)OR33, C(O)NR34R35, OR36, NR37R38, NHC(O)C(R39)=C(R40)R41,
OC(O)C(R42)=C(R43)R44 or C(O)OC(R45)=C(R46)R47,

aryl or aryl-Ci-3o-alkylene-aryl group can be unsubstituted or substituted with one or more d-e-alkyl, C3-8-cycloalkyl, C2-30-alkenyl, halogen, CN, C(O)OR33, C(O)NR34R35, OR36, NR37R38, NHC(O)C(R39)=C(R40)R41, OC(O)C(R42)=C(R43)R44 or C(O)OC(R45)=C(R46)R47, wherein R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43, R44, R45, R46 and R47 can be the same or different and are hydrogen or d-6-alkyl, and wherein

one or more CH2-groups of Ci.ioo-alkyl or C2-3o-alkenyl can be replaced with -O-, -NH- and/or phenylene, and one CH2-group of C3-8-cycloalkyl can be replaced with -O-.

12. The use of the process of any of claims 1 to 9 for imparting biocidal activity to the surface of substrates.

13. The use of claim 12, wherein the substrate is a substrate used in the medicinal field.