Polymer, antimicrobial agent, disinfectant, antimicrobial material, disinfectant material, antimicrobial method, and disinfecting method

1. A polymer, comprising:

a polymer chain ending with a terminal compound and bonded to the terminal compound with a —NH— group

present in the compound;

wherein the compound comprises a plurality of —NH— groups,

wherein the polymer chain comprises a repeating unit of formula (1) and a repeating unit of formula (2):

wherein

R 1 represents a hydrogen atom or a methyl group,

Z represents an organic ammonium salt or an organic ammonium salt and —NR 5 R 6 ,

wherein R 5 and R 6 each independently represent a hydrogen atom, or a substituted or unsubstituted hydrocarbon group,

the organic ammonium salt is selected from the group consisting of —N + R 2 R 3 R 4 Y y− , —(C═O)O − N + HR 2 R 3 R 4 , and —(C═O)O −− A + wherein R 2 to R 4 each independently represent a hydrogen atom, a substituted or unsubstituted hydrocarbon group, Y y− represents a y-valent counter anion, and A + represents a quaternary ammonium cation,

and

X represents a single bond, a methylene group, an alkylene group, —(C═O)OR 11 -(*), or —(C═O)NHR 12 -(*) wherein R 11 and R 12 each represent a methylene group, an alkylene group, or an alkylene oxyalkylene group, and “*” represents a chemical bond bonded to the Z;

wherein

R 7 represents a hydrogen atom or a methyl group, and

A represents an aromatic hydrocarbon group, —(C═O)OR 8 , —(C═O)NHR 9 , or —OR 10 , wherein R 8 to R 10 each represent a hydrocarbon group or a group having a chain ether structure or a cyclic ether structure.

2. The polymer according to claim 1 ,

wherein a weight average molecular weight (Mw) of the polymer chain is 3,000 or less in terms of polystyrene measured by gel permeation chromatography, wherein a mobile phase is tetrahydrofuran.

3. The polymer according to claim 1 ,

wherein

Z is an organic ammonium salt of formula —N + R 2 R 3 R 4 Y y− , wherein R 2 to R 4 each independently represent a hydrogen atom, or a substituted or unsubstituted hydrocarbon group, and Y y− represents a y-valet counter anion, or

Z is an organic ammonium salt of formula —N + R 2 R 3 R 4 Y y− and —NR 5 R 6 .

4. The polymer according to claim 1 ,

wherein X is —(C═O)OR 11 -(*), —(C═O)NHR 12 -(*), and

wherein R 11 and R 12 each represent a methylene group, an alkylene group, or an alkylene oxyalkylene group.

5. The polymer according to claim 1 ,

wherein the compound is a compound comprising at least one selected from the group consisting of a primary amino group, a secondary amino group, and a carbamoyl group.

6. The polymer according to claim 1 ,

wherein the compound is a polyaziridine-polymer, a modified polyaziridine polymer, a diamine compound, a biguanide compound, an amino acid, an N-acylamino acid, a peptide, an amino sugar, a polyamine sugar, or an antimicrobial drug.

7. The polymer according to claim 1 ,

wherein the terminal compound further comprises a divalent group formed by ring opening of a cyclic ether group bonded to a —NH— group which is different from the group bonded to the polymer chain end.

8. An antimicrobial agent, a disinfectant, or an antimicrobial and disinfecting agent, comprising the polymer according to claim 1 as an active component.

9. An antimicrobial material, a disinfectant material, or an antimicrobial and disinfecting material, comprising the polymer according to claim 1 .

10. An antimicrobial method, a disinfecting method, or an antimicrobial and disinfecting method, comprising

providing an antimicrobial and/or disinfecting property with the polymer according to claim 1 .

11. The polymer according to claim 1 , wherein a content of the repeating unit (1) wherein Z is an organic ammonium salt is 60% by mole or more.