Antimicrobial resin and coating material
AssigneeKirin Holdings Kabushiki Kaisha
InventorsToshikazu Tsuji, Hideki Koizumi, Akiko Jitsuhiro, Yuki Konoeda, Atsushi Hotta, Tomoki Maeda
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Abstract
Disclosed is an additive for imparting antimicrobial properties to a resin. The additive comprises a string polymer, at least one terminal of which has a positive charge, wherein the string polymer is a polymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond. By using this additive, it becomes possible to obtain an antibacterial resin molded body which can be prepared simply and inexpensively and which has high stability and safety.
Claims26
An additive for imparting an antimicrobial property to a resin, comprising a string polymer, at least one terminal of which has a positive charge, wherein the string polymer is a polymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond, wherein the resin is a thermoplastic resin and/or a thermosetting resin, wherein the thermosetting resin is one or more resins selected from the group consisting of phenol resins, epoxy resins, urethane resins, melamine resins, urea resins, alkyd resins, unsaturated polyester resins, and silicone resins.
An antimicrobial coating material comprising polymer particles with their surfaces covered with positive charges, wherein the polymer particles comprise a copolymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond, wherein the monomer containing a carbon-carbon double bond comprises methyl methacrylate (MMA).
An antimicrobial coating material comprising polymer particles with their surfaces covered with positive charges, wherein the polymer particles comprise a copolymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond, further comprising a resin and a solvent.
A method for imparting an antimicrobial property to a resin, comprising mixing
- (i) an additive comprising a string polymer, at least one terminal of which has a positive charge, wherein the string polymer is a polymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond, and
- (ii) a resin,
- to impart an antimicrobial property to the resin,
- wherein the cationic polymerization initiator is a compound having a chemical structure of general formula (I):
- wherein,
- Y represents a single bond;
- Z represents a single bond;
- R72, R73, R75, R76, R77, and R78 are each independently selected from the group consisting of hydrogen atom and C1-6 alkyl;
- R81, R82, R83, and R84 are each independently a C1-4 alkyl group;
- R7 and R74 are each independently a C1-3 alkyl group;
- and
- Xf− is a counter anion.
A method for making an antimicrobial coating material, comprising mixing
- (i) polymer particles with their surfaces covered with positive charges, wherein the polymer particles comprise a copolymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond, with
- (ii) a resin, and
- (iii) a solvent to produce an antimicrobial coating material,
- wherein the cationic polymerization initiator is a compound having a chemical structure of general formula (I):
- wherein,
- Y represents a single bond;
- Z represents a single bond;
- R72, R73, R75, R76, R77, and R78 are each independently selected from the group consisting of hydrogen atom and C1-6 alkyl;
- R81, R82, R83, and R84 are each independently a C1-4 alkyl group;
- R71 and R74 are each independently a C1-3 alkyl group;
- and
- Xf− is a counter anion.
Dependencies are inferred from the claim text.