US 10,266,705 B2 · Self-disinfecting surfaces

Abstract

The invention relates to an aqueous coating composition comprising a compound having reactive groups A, and a quaternary ammonium compound according to Formula I, II or III wherein R1 is an alkyl, alkenyl, alkylaryl or arylalkyl group having from 5 to 50 carbon atoms; R2 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms; R3 and R4 are alkylene groups having from 1 to 4 carbon atoms; R5 and R6 are H or C1-C100 hydrocarbyl group, optionally containing heteroatoms; R7 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms; R8 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms; R9 is H or a methyl group; Z is a substituent containing at least one reactive group B which is capable of reacting with the reactive group A; X− is an anion; y is 0 or 1; a is 0 or 1; and the sum of y and a is 1 or 2 and m is an integer from 1 to 30, preferably between 1 and 10, or between 2 and 6 n is an integer from 0-30, preferably between 1 and 10, or 2 and 6 T is a monomer unit; U is a monomer unit; V is a C1-C100 hydrocarbyl group, optionally containing hetero atoms; d is an integer between 1 and 5, preferably 1; e is an integer between 1 and 1000, preferably between 5 and 100; g is an integer between 1 and 100, preferably between 2 and 10; h is an integer between 1 and 5, preferably 2 or 3.

Claims20

Dependent claims

An aqueous coating composition comprising a compound having reactive groups A, and a quaternary ammonium compound according to Formula I, II or III

wherein
R1 is an alkyl, alkenyl, alkylaryl or arylalkyl group having from 5 to 50 carbon atoms;
R2 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R3 and R4 are alkylene groups having from 1 to 4 carbon atoms;
R5 and R6 are H or C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R7 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R8 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R9 is H or a methyl group;
Z is a substituent containing at least one reactive group B which is capable of reacting with the reactive group A, wherein the at least one reactive group B is independently selected from the group consisting of hydroxyl, carboxylic acid, aldehyde, anhydride, ester, ethyleneimine, amine, amide, thiol, epoxide, urea, acetoacetate, and isocyanate groups;
X− is an anion;
m is an integer from 1 to 30;
n is an integer from 0-30;
T is a monomer unit;
U is a monomer unit;
V is a C1-C100 hydrocarbyl group, optionally containing hetero atoms;
d is an integer between 1 and 5;
e is an integer between 1 and 1000;
g is an integer between 1 and 100;
h is an integer between 1 and 5.

16 more elements

An article comprising an anti-microbial coating that is prepared by

a. applying a coating composition comprising a quaternary ammonium compound having an alkoxylated substituent having a reactive group B according to formula (I), (II), or (III) to a substrate, and
b. curing the coating composition to obtain a cured coating,
wherein the reactive group B of the alkoxylated substituent has reacted within the cured coating,
wherein:
R1 is an alkyl, alkenyl, alkylaryl or arylalkyl group having from 5 to 50 carbon atoms;
R2 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R3 is a C1-C4 alkylene group;
R4 is a C1-C4 alkylene group;
R5 and R6 are H or C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R7 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R3 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R9 is H or methyl;
Z is a substituent containing at least one reactive group B, wherein the at least one reactive group B is independently selected from the group consisting of hydroxyl, carboxylic acid, aldehyde, anhydride, ester, ethyleneimine, amine, amide, thiol, epoxide, urea, acetoacetate, and isocyanate groups;
X− is an anion;
m is an integer from 1 to 30;
n is an integer from 1 to 30;
and
T is a monomer unit;
U is a monomer unit;
V is a C1-C100 hydrocarbyl group, optionally containing hetero atoms;
d is an integer between 1 and 5;
e is an integer between 1 and 1000;
g is an integer between 1 and 100;
h is an integer between 1 and 5,
wherein the surface of the coating contains quaternary ammonium groups having alkoxy substituents.

22 more elements

A method of killing microbes on an article comprising coating the article with an anti-microbial coating formed by

a. applying a coating composition comprising a quaternary ammonium compound having an alkoxylated substituent having a reactive group B according to formula (I), (II), or (III) to a substrate, and
b. curing the coating composition to obtain a cured coating,
wherein the reactive group B of the alkoxylated substituent has reacted within the cured coating,
wherein:
R1 is an alkyl, alkenyl, alkylaryl or arylalkyl group having from 5 to 50 carbon atoms;
R2 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R3 is a C1-C4 alkylene group;
R4 is a C1-C4 alkylene group;
R5 and R6 are H or C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R7 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R8 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms;
R9 is H or methyl;
Z is a substituent containing at least one reactive group B, wherein the at least one reactive group B is independently selected from the group consisting of hydroxyl, carboxylic acid, aldehyde, anhydride, ester, ethyleneimine, amine, amide, thiol, epoxide, urea, acetoacetate, and isocyanate groups;
X− is an anion;
m is an integer from 1 to 30;
n is an integer from 1 to 30;
and
T is a monomer unit;
U is a monomer unit;
V is a C1-C100 hydrocarbyl group, optionally containing hetero atoms;
d is an integer between 1 and 5;
e is an integer between 1 and 1000;
q is an integer between 1 and 100;
h is an integer between 1 and 5,
wherein the surface of the coating contains quaternary ammonium groups having alkoxy substituents.

22 more elements

Dependencies are inferred from the claim text.

Self-disinfecting surfaces

Life of this patent

Self-disinfecting surfaces

Life of this patent

Abstract

Claims20