Materials for inducing alignment in liquid crystal and liquid crystal displays
申请人:——
公开号:US20010039361A1
公开(公告)日:2001-11-08
The present invention provides novel aromatic diamines useful in preparing polyimides for optical alignment layers in liquid crystal displays. The novel compositions comprise side-chains general formula I
-L
1
-D-L
2
-C
f
wherein D comprises 1 to 4 carbon-carbon double bonds, C
f
is a monovalent C
4
to C
20
fluorocarbon radical and L
1
and L
2
are linking groups.
本发明提供了一种新型芳香二胺,用于制备液晶显示器中的光学调向层的聚酰亚胺。这种新型组合物包括侧链通式I
-L
1
-D-L
2
-C
f
其中D包括1至4个碳-碳双键,C
f
是一种一价的C
4
至C
20
氟碳基团,L
1
和L
2
是连接基团。
Purification of fluorinated alcohols
申请人:Shtarov Borisovich Alexander
公开号:US20060100464A1
公开(公告)日:2006-05-11
A process for reducing the level of perfluoroalkanoic acids, perfluoroalkanoic esters, and perfluoroalkyliodides in fluorinated alcohols comprising heating a fluorinated alcohol, or mixtures thereof, containing said acids, esters, or iodides to a temperature of at least 175° C. in the presence of water and a base additive is disclosed.
[EN] HIGH FLOW SUPRAMOLECULAR COMPOUNDS<br/>[FR] COMPOSÉS SUPRAMOLÉCULAIRES À GRANDE FLUIDITÉ
申请人:SUPRAPOLIX BV
公开号:WO2010002262A1
公开(公告)日:2010-01-07
The present invention relates to a supramolecular compound comprising a low molecular weight, apolar compound, said low molecular weight, apolar compound having a melting point of below 45°C, a molecular weight of about 80 to about 1500 amu and a HLB-valueof lower than 8, said low molecular weight, apolar compound bearing a single 4H-unit per molecule. The supramolecular compound according to the present invention may be used in coating, ink, toner, resin, lacquer, adhesive or glue compositions.
An oligomer of the formula (I):
C
n
F
2n+1
(CH
2
)
x
[(CF
2
CF
2
)
y
(CH
2
CH
2
)
z
]
m
G (I)
wherein
G is an I; OH; OC(O)CH═CH
2
; OC(O)CCH
3
═CH
2
; OC(O)CCl═CH
2
; NR
1
H; N
3
; NCO; SQ wherein Q is H, alkyl, (CH
2
)
n
OH, (CH
2
)
n
NH
2
, (CH
2
)
n
OC(O)C(Me)═CH
2
, or (CH
2
)
n
NHC(O)C(Me)═CH
2
; SCN; COOH; SO
3
H; NHCOCH═CH
2
; NHCOC(CH
3
)═CH
2
); OC(O)NHCH
2
CH
2
OC(O)C(CH
3
)═CH
2
; or OC(O)NHCH
2
CH
2
OC(O)C(CH
3
)═CH
2
;
subscript n is an integer from 1 to about 6,
subscript x is an integer from 1 to about 6,
subscripts y, z and m are each independently 1, 2 or 3, or a mixture thereof,
the total number of carbons in said formula (I) excluding G ranges from about 8 to about 22,
and a process for preparation thereof.