Liquid crystalline oxetane compound, polymerizable liquid crystalline composition, method for producing liquid crystal film, optical film, and liquid crystal display
申请人:Nippon Oil Corporation
公开号:US20040173773A1
公开(公告)日:2004-09-09
A novel liquid crystalline compound by the formula:
Z
1
-(CH
2
)
n
-L
1
-P
1
-L
2
-P
2
-L
3
-P
3
-L
4
-(CH
2
)
m
-Z
2
(1)
wherein Z
1
and Z
2
are each independently a group represented by any one of formulas (2), (3) and (4) below, L
1
, L
2
, L
3
, and L
4
each independently indicate direct bond or are a group represented by any of —O—, —O—CO—, or —CO—O—, P
1
and P
2
are each independently a group represented by formula (5) below, and P
3
indicates direct bond or is a group represented by formula (5) below, n and m are each independently an integer of 0 to 8;
1
wherein X is selected from the group consisting of hydrogen, methyl, or halogen and provides an optical film with an excellent capability of retaining the aligned liquid crystal orientation which has been fixed and in mechanical strength.
一种新的液晶化合物,其化学式为:Z1-(CH2)n-L1-P1-L2-P2-L3-P3-L4-(CH2)m-Z2(1),其中Z1和Z2各自独立地表示以下任一式子中的一种基团:(2)、(3)和(4),L1、L2、L3和L4各自独立地表示直接键或者是由—O—、—O—CO—或者—CO—O—表示的基团,P1和P2各自独立地表示式子(5)中表示的基团,P3表示直接键或者是式子(5)中表示的基团,n和m各自独立地表示0到8之间的整数;其中X从氢、甲基或卤素中选择,提供了一种具有优异的保持定向液晶取向并具有机械强度的光学薄膜。