Disclosed is a polymerizable liquid crystal material wherein an amount of a salt represented by the following formula (I) is less than 0.01 parts by mass per 100 parts by mass of a polymerizable liquid crystal compound, and an amount of a nitrogen-containing compound represented by the following formula (II) is 0.01 parts by mass or less per 100 parts by mass of the polymerizable liquid crystal compound. 10 to R.sup.5 each independently represent a hydrogen atom or a C1-C7 alkyl group, R.sup.6 and R.sup.7 represents a hydrogen atom, and X represents F.sup., Br.sup., Cl.sup., I.sup., HSO.sub.4.sup., 1/2(HPO.sub.4.sup.2), H.sub.2PO.sub.4.sup., RC(O)O.sup., 1/2(.sup.O(CO)R(CO)O.sup.) or RSO.sub.3.sup., where R represents a hydrogen atom or a monovalent hydrocarbon group, and R represents a single bond or a divalent hydrocarbon group.

##STR00001##

The present invention relates to a pellet mixture including a pellet of a liquid crystal polyester resin composition which contains a liquid crystal polyester resin and an inorganic filler, and a fine powder formed of an organic material, in which a volume average particle diameter of the fine powder is in a range of 10 m to 200 m, and an amount of the fine powder is in a range of 10 ppm to 2000 ppm with respect to the total mass of the pellet mixture.

Liquid-crystal polymer is composed of the following repeating units: 10 mol % to 35 mol % of ##STR00001##
10 mol % to 35 mol % of ##STR00002##
10 mol % to 50 mol % of ##STR00003##
and 10 mol % to 40 mol % of ##STR00004##
10 mol % to 40 mol % of ##STR00005##
or a combination thereof. Each of AR.sup.1, AR.sup.2, AR.sup.3, and AR.sup.4 is independently AR.sup.5 or AR.sup.5-Z-AR.sup.6, in which each of AR.sup.5 and AR.sup.6 is independently ##STR00006##
or a combination thereof, and Z is O, ##STR00007##
or C.sub.1-5 alkylene group. Each of X and Y is independently H, C.sub.1-5 alkyl group, CF.sub.3, or ##STR00008##
wherein R.sup.2 is H, CH.sub.3, CH(CH.sub.3).sub.2, C(CH.sub.3).sub.3, CF.sub.3, or ##STR00009##
n=1 to 4; and wherein R.sup.1 is C.sub.1-5 alkylene group.

A polymer composition comprising at least one liquid crystalline polymer and an ultrahigh molecular weight siloxane polymer in an amount from about 0.1 to about 20 parts by weight per 100 parts by weight of the liquid crystalline polymer is provided. The siloxane polymer has a number average molecular weight of about 100,000 grams per mole or more.

A liquid crystal composition contains: at least one compound of general formula I and at least one polymerizable compound of general formula II. Such a liquid crystal composition has a suitable optical anisotropy, a suitable dielectric anisotropy, and a better pretilt angle consistency while maintaining a relatively high clearing point, and the drop mura is good. When the liquid crystal composition is applied to a PSA liquid crystal display, the liquid crystal composition has an excellent display effect.

##STR00001##

The present invention provides a polymerizable compound with a structure of general formula I, which exhibits none or few of the problems existing in the prior art. A polymerizable liquid crystal composition comprising the polymerizable compound has good stability and higher reliability, and is embodied by having a smaller pretilt angle change and higher voltage holding ratio. Also, there is little or no image sticking effect in a liquid crystal display device comprising the polymerizable liquid crystal composition. The present invention also provides a method of synthesizing a polymerizable compound with a structure of general formula I. The present invention further provides a polymerizable liquid crystal composition comprising the polymerizable compound and a liquid crystal display device comprising the polymerizable liquid crystal composition.

##STR00001##

The present disclosure provides a high-frequency composite substrate which includes a metal layer and an insulating structure. The insulating structure includes at least one liquid crystal polymer (LCP) layer with dielectric constant ranged from about 2 to about 4. The liquid crystal polymer layer adheres to the metal layer. The high-frequency composite substrate may reduce the adverse effects caused by the Resistor-Capacitor delay (RC delay).

A liquid crystal polyester composition including a liquid crystal polyester and fibrous fillers, wherein in the fibrous fillers, the number of long fibers having a fiber length of 80 m or more contained in the fibrous fillers is 30% or less with respect to the number of the fibrous fillers, and a number average fiber diameter of the fibrous fillers is 12 m or less.

A liquid crystal polyester resin composition including a liquid crystal polyester resin, 15 parts by mass or more and 100 parts by mass or less of a carbon fiber with respect to 100 parts by mass of the liquid crystal polyester resin, and 0.001 parts by mass or more and 0.02 parts by mass or less of a fullerene with respect to 100 parts by mass of the carbon fiber.

A camera module comprising a polymer composition that includes a polymer matrix containing a liquid crystalline polymer and a mineral filler is provided. The liquid crystalline polymer contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 10 mol. % or more of the polymer. Further, the polymer composition exhibits a melt viscosity of from about 30 to about 400 Pa-s, as determined at a shear rate of 400 seconds.sup.1 and at a temperature 15 C. higher than the melting temperature of the composition in accordance with ISO Test No. 11443:2005.