Humidity dependence improver for polymer film, polymer film, protective film for polarizer, retardation film, polarizer, and liquid crystal display device
A humidity dependence improver for polymer film, comprising a compound of the following formula (1) or (2): wherein Ra, Rb and Rc represent an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; X 1 to X 6 represent a single bond or a divalent linking group; R 1 to R 6 represent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group.
1. A retardation film comprising a polymer film wherein the polymer film comprises a polymer having a hydroxyl group and a humidity dependence improver for polymer film, comprising a compound of the following formula (6), (6b) or (9):
wherein Ra 3 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group;
wherein Ra 4 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group, and Rd 1 and Rd 2 each independently represent an alkyl group or an aryl group; and
wherein Rb 3 and Rc 3 each independently represent an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group.
2. A polarizer comprising a polymer film wherein the polymer film comprises a polymer having a hydroxyl group and a humidity dependence improver for polymer film, comprising a compound of the following formula (6), (6b) or (9):
wherein Ra 3 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group;
wherein Ra 4 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group, and Rd 1 and Rd 2 each independently represent an alkyl group or an aryl group; and
wherein Rb 3 and Rc 3 each independently represent an alkyl group, an alkenyl group, an alkenyl group, an aryl group or a heterocyclic group.
3. A liquid crystal display device comprising the polymer film wherein the polymer film comprises a polymer having a hydroxyl group and a humidity dependence improver for polymer film, comprising a compound of the following formula (6), (6b) or (9):
wherein Ra 3 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group;
wherein Ra 4 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group, and Rd 1 and Rd 2 each independently represent an alkyl group or an aryl group; and
wherein Rb 3 and Rc 3 each independently represent an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group.
4. The retardation film according to claim 1 , wherein the humidity dependence improver comprises the compound of formula (6).
5. The retardation film according to claim 1 , wherein the humidity dependence improver comprises the compound of formula (6b).
6. The retardation film according to claim 1 , wherein the humidity dependence improver comprises the compound of formula (9).
7. The polarizer according to claim 2 , wherein the humidity dependence improver comprises the compound of formula (6).
8. The polarizer according to claim 2 , wherein the humidity dependence improver comprises the compound of formula (6b).
9. The polarizer according to claim 2 , wherein the humidity dependence improver comprises the compound of formula (9).
10. The liquid crystal display device according to claim 3 , wherein the humidity dependence improver comprises the compound of formula (6).
11. The liquid crystal display device according to claim 3 , wherein the humidity dependence improver comprises the compound of formula (6b).
12. The liquid crystal display device according to claim 3 , wherein the humidity dependence improver comprises the compound of formula (9).