Liquid crystal polymer, composition, liquid crystal polymer film, laminated material and method of forming liquid crystal polymer film

A liquid crystal polymer, comprising a first repeating unit, a second repeating unit, a third repeating unit, and a fourth repeating unit, wherein the first repeating unit has a structure of Formula (I), the second repeating unit has a structure of Formula (II), the third repeating unit has a structure of Formula (III), and the fourth repeating unit has a structure of Formula (IV), a structure of Formula (V), or a structure of Formula (VI)

• wherein A1, A2, and A3 are independently A4, or A4-X1-A5, A4 and A5 are independently
• X1 is a single bond, —O—, —NH—,
• C1-C8 alkylene group, C5-C8 cycloalkylene group, or
• Z1 is C2-C20 alkenylene group or substituted C2-C20 alkenylene group;
• R1 is independently hydrogen, fluorine, chlorine, C1-C6 alkyl group, C1-C6 fluoroalkyl group, or C6-C12 aryl group;
• R2 is X2—Z2—R5);
• R3 is independently hydrogen, fluorine, chlorine, C1-C6 alkyl group, or C1-C6 fluoroalkyl group;
• R4 is independently hydrogen, fluorine, chlorine, cyano group, C1-C6 alkyl group, C1-C6 fluoroalkyl group, C1-C6 alkoxy group, C1-C6 alkylthio group, C1-C6 cyanoalkyl group, C6-C12 aryl group, C7-C18 arylalkyl group, C6-C12 aryloxy group, or C6-C12 arylthio group;
• X2 is a single bond, —O—, —NH—,
• Z2 is a single bond, or C1-C8 alkylene group;
• R5 is C2-C20 alkenyl group, acrylate group, methacrylate group,
• and Q is combined with the carbon atoms which they are attached to, to form a C4-C8 cycloalkene, non-substituted norbornene, non-substituted 7-oxanorbornene, substituted norbornene, or substituted 7-oxanorbornene.