Quaternary ammonium compound, and agent for suppression of generation of volatile organic compound from polyacetal by use of the same

A quaternary ammonium composition comprising:

• a quaternary ammonium compound represented by the following formula (1):
• [(R1)m(R2)4-mN+]nXn− (1)
• wherein each R1 independently represents an unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms;
• an aryl group having 6 to 20 carbon atoms;
• an aralkyl group where an unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms is substituted with at least one aryl group having 6 to 20 carbon atoms;
• or an alkylaryl group where an aryl group having 6 to 20 carbon atoms is substituted with at least one unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms;
• wherein the unsubstituted alkyl group and the substituted alkyl group are straight, branched, or cyclic;
• the substituent of the substituted alkyl group is halogen, a hydroxyl group, an aldehyde group, a carboxyl group, an amino group, or an amide group;
• and any hydrogen atom in the unsubstituted alkyl group, aryl group, aralkyl group, and alkylaryl group may be replaced by halogen;
• each R2 independently represents a group having 2 to 6 carbon atoms and 2 to 3 oxygen atoms, the group represented by the following formula:
• —(RO)k-H, wherein R represents a substituted or unsubstituted alkyl group and k represents a natural number of 2 or more;
• m and n each represents an integer of 1 to 3;
• and
• X represents an acid residue of at least one selected from the group consisting of formic acid, acetic acid, and propionic acid;
• and
• a (poly)alkylene glycol (B) represented by the following formula (2), and/or a quaternary ammonium compound (C) represented by the following formula (3):
• R3-O—(C2H4O)p—R4 (2)
• wherein R3 and R4 each independently represents a hydrogen atom;
• an unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms;
• an aryl group having 6 to 20 carbon atoms;
• an aralkyl group where an unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms is substituted with at least one aryl group having 6 to 20 carbon atoms;
• or an alkylaryl group where an aryl group having 6 to 20 carbon atoms is substituted with at least one unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms;
• wherein the unsubstituted alkyl group or substituted alkyl group is straight, branched, or cyclic;
• the substituent of the substituted alkyl group is halogen, a hydroxyl group, an aldehyde group, a carboxyl group, an amino group, or an amide group;
• and any hydrogen atom in the unsubstituted alkyl group, aryl group, aralkyl group, and alkylaryl group may be replaced by halogen;
• and
• p represents a natural number;
• [R5R6R7R8N+]lYl− (3)
• wherein R5, R6, R7, and R8 each independently represents an unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms;
• an aryl group having 6 to 20 carbon atoms;
• an aralkyl group where an unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms is substituted with at least one aryl group having 6 to 20 carbon atoms;
• or an alkylaryl group where an aryl group having 6 to 20 carbon atoms is substituted with at least one unsubstituted alkyl group or substituted alkyl group having 1 to 30 carbon atoms;
• wherein the unsubstituted alkyl group and the substituted alkyl group are straight, branched, or cyclic;
• the substituent of the substituted alkyl group is halogen, a hydroxyl group, an aldehyde group, a carboxyl group, an amino group, or an amide group;
• and any hydrogen atom in the unsubstituted alkyl group, aryl group, aralkyl group, and alkylaryl group may be replaced by halogen;
• l represents an integer of 1 to 3;
• and
• Y represents a hydroxyl group, or an acid residue of a compound selected from the group consisting of a carboxylic acid having 1 to 20 carbon atoms, a hydroacid, an oxo-acid, an inorganic thioacid, and an organic thioacid having 1 to 20 carbon atoms.