Antimicrobial sacrificial floor coating system comprising a nonionic/cationic wax mixture
Disclosed are antimicrobial sacrificial floor coatings systems including an antimicrobial sacrificial floor coating composition capable of reducing and/or preventing gram positive and gram negative bacterial growth on floors.
1. An antimicrobial sacrificial floor coating composition comprising:
(a) an acrylic polymer;
(b) a nonionic wax;
(c) a cationic wax comprising a cationic alkylene polymer; and
(d) an antimicrobial agent comprising a cationic alkyl biguanide or salt thereof, wherein:
the antimicrobial sacrificial floor coating composition is acidic and forms a coating on a substrate having antimicrobial properties post-application thereto.
2. The antimicrobial sacrificial floor coating composition of claim 1 wherein the cationic alkyl biguanide or salt thereof ranges from 0.5 active wt % to 0.95 active wt % in the antimicrobial sacrificial floor coating composition.
3. The antimicrobial sacrificial floor coating composition of claim 1 , wherein the antimicrobial sacrificial floor coating composition is adapted to exhibit a log reduction of from 3.3 to 6 for gram negative bacteria and a log reduction of from 3.11 to 6.3 for gram positive bacteria after a minimum contact time of 1 hour with the coating composition post-application to the substrate.
4. The antimicrobial sacrificial floor coating composition of claim 1 , wherein the antimicrobial sacrificial floor coating composition is heat stable.
5. The antimicrobial sacrificial floor coating composition of claim 1 , wherein the nonionic wax comprises a nonionic alkylene polymer.
6. The antimicrobial sacrificial floor coating composition of claim 4 , wherein the nonionic wax is a high density polyethylene or derivative thereof, a high density polypropylene or derivative thereof, or a combination thereof.
7. The antimicrobial sacrificial floor coating composition of claim 2 , wherein the nonionic wax is at a concentration of between 2.5 wt % to 8 wt % in the antimicrobial sacrificial floor coating composition.
8. The antimicrobial sacrificial floor coating composition of claim 1 , wherein the cationic alkylene polymer is an oxidized high density polyethylene, an oxidized high density oxidized polypropylene, or a combination thereof.
9. The antimicrobial sacrificial floor coating composition of claim 8 , wherein the cationic alkylene polymer is at a concentration of between 2.5 wt % to 8.0 wt % in the antimicrobial sacrificial floor coating composition.
10. The antimicrobial sacrificial floor coating composition of claim 1 , wherein the cationic alkyl biguanide or salt thereof is polyhexamethylene biguanide, polyaminopropryl biguanide, or a combination thereof.
11. The antimicrobial sacrificial floor coating composition of claim 10 , wherein cationic alkyl biguanide or salt thereof ranges from 0.6 to 0.95 active wt %, in the antimicrobial sacrificial floor coating.
12. The antimicrobial sacrificial floor coating composition of claim 1 , wherein the antimicrobial sacrificial floor coating does not include crosslinking agents and/or is not polymerizable during or post-application to a floor surface.
13. The antimicrobial sacrificial floor coating composition of claim 1 , wherein the antimicrobial sacrificial floor coating composition comprises:
(a) the acrylic polymer at a concentration ranging from 30 to 40 wt % of the antimicrobial sacrificial floor coating composition;
(b) the nonionic wax at a concentration ranging from 2.5 to 8 wt % of the antimicrobial sacrificial floor coating composition,
(c) the cationic wax at a concentration ranging from 2.5 to 8 wt % of the antimicrobial sacrificial floor coating composition;
(d) the antimicrobial agent at a concentration of up to 4 wt % of the antimicrobial sacrificial floor coating composition; and
(e) water at a concentration ranging from 30 to 65 wt % of the antimicrobial sacrificial floor coating composition.
14. The antimicrobial sacrificial floor coating composition of claim 13 , wherein the antimicrobial sacrificial floor coating composition exhibits a log reduction of from 3.3 to 6 for gram negative bacteria and a log reduction of 3.11 to 6.3 for gram positive bacteria after application to the substrate and at a minimum contact time of 1 hour with the coating composition.
15. A kit comprising:
(i) the antimicrobial sacrificial floor coating composition according to claim 1 in a first container
(a)
(b)
(c)
(ii) an antimicrobial sacrificial floor coating remover in a second container, the antimicrobial sacrificial floor coating remover comprises:
(a) an organic solvent at a concentration ranging from 17 wt % to 30 wt % of the antimicrobial sacrificial floor coating remover;
(b) a nonionic surfactant at a concentration ranging from 0.5 wt % to 5 wt % of the antimicrobial sacrificial floor coating remover; and
(c) an organic acid at a concentration ranging from 1 wt % to 5 wt % of the antimicrobial sacrificial floor coating remover.
16. The kit of claim 15 , wherein the cationic alkyl biguanide or salt thereof ranges from 0.5 active wt % to 0.95 active wt % in the antimicrobial sacrificial floor coating composition.
17. The kit of claim 15 , wherein the antimicrobial sacrificial floor coating remover further comprises water.
18. The kit of claim 17 , wherein the antimicrobial sacrificial floor coating remover has a zero volatile organic compound (0 VOC) content.