A process for manufacturing particles including a stereocomplex of poly-D-lactide (PDLA) and poly-L-lactide (PLLA), including the steps of: extruding a melt including 30-70 wt. % of PDLA and 70-30 wt. % of PLLA through an sc-PLA formation zone in a twin-screw extruder, wherein the formation zone is operated at a barrel temperature above the melting temperature of the PDLA and PLLA and below 220 C.; wherein the sc-PLA formation zone is followed by a finishing zone which is operated at a barrel temperature below 160 C.; wherein the finishing zone is followed by the end of the extruder which has a die-head resistance of 0; and recovering solid stereocomplex particles from the end of the extruder. The stereocomplex particles find use in various applications, e.g., in fracking fluids, as filler, as nucleating agent, in particular in the molding of semi-crystalline PLA, or as a starting material for the manufacture of sc-PLA products.

A reinforced polyetherimide composition includes 50 to 99.9 weight percent of a polymer composition comprising a polyetherimide having a weight average molecular weight of 5,000 to 80,000 Daltons; 10 to 40 weight percent of a reinforcing filler; 0.1 to 10 weight percent of flow promoter, wherein the flow promoter comprises an aromatic phosphate, a phosphazene, or a combination comprising at least one of the foregoing; 0 to 20 weight percent of a liquid crystalline polymer; wherein weight percent is based on the total weight of the reinforced polyetherimide composition; and wherein the composition has a melt flow rate (MFR) that is at least 10% higher than that of the same reinforced polyetherimide composition without the flow promoter, and a capillary melt viscosity that is at least 10% lower than that of the same reinforced polyetherimide composition without the flow promoter.

A liquid crystal polymer, composition, liquid crystal polymer film, laminated material and method of forming liquid crystal polymer film are provided. The liquid crystal polymer includes a first repeating unit, a second repeating unit, a third repeating unit, and a fourth repeating unit. 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)

##STR00001##

wherein A.sup.1, A.sup.2, A.sup.3, Z.sup.1, R.sup.1, R.sup.2, R.sup.3 and Q are as defined in the specification.

The present specification relates to a sound-generating reed for a wind instrument which contains at least one thermotropic liquid crystalline polymer.

The invention relates to a polypropylene composition (C) comprising: (i) 62 to 85 wt.-%, based on the total weight of the polypropylene composition (C), of a heterophasic propylene copolymer (HECO1) with a melt flow rate MFR.sub.2 (230 C.) measured according to ISO 1133 in the range of 6.0 to 50.0 g/10 min; (ii) 10 to 30 wt.-%, based on the total weight of the polypropylene composition (C), of a heterophasic propylene copolymer (HECO2) with a melt flow rate MFR.sub.2 (230 C.) measured according to ISO 1133 in the range of 0.1 to 5.5 g/10 min; (iii) 5 to 30 wt.-%, based on the total weight of the polypropylene composition (C), of an inorganic filler (F); wherein (a) the xylene cold soluble (XCS) fraction of the heterophasic propylene copolymer (HECO1) has a lower amount [in mol %] of C.sub.2 and/or C.sub.4 to C.sub.12 -olefin derived comonomer units than the xylene cold soluble (XCS) fraction of the heterophasic propylene copolymer (HECO2); (b) the xylene cold soluble (XCS) fraction of the heterophasic propylene copolymer (HECO1) has a lower the intrinsic viscosity (IV) than the xylene cold soluble (XCS) fraction of the heterophasic propylene copolymer (HECO2); and (c) the xylene cold soluble (XCS) fraction of the heterophasic propylene copolymer (HECO2) has an intrinsic viscosity (IV) in the range of 6.0 to 15.0 dl/g.

[Problem] Provided is a wholly aromatic liquid crystalline polyester resin having excellent heat resistance and formability.

[Solving means] The wholly aromatic liquid crystalline polyester resin according to the present invention comprises structural units represented by the following formulae (I) to (V) as essential structural units,

##STR00001## wherein the composition ratio (mol %) of the structural units (I) to (V) in the wholly aromatic liquid crystalline polyester satisfies the following condition: 50 mol %structural unit (I)75 mol % 6 mol %structural unit (II)20 mol % 1 mol %structural unit (III)21.5 mol % 0.5 mol %structural unit (IV)10.5 mol % 2.5 mol %structural unit (V)22 mol % structural unit (III)>structural unit (IV).

Provided are: a liquid-crystal polymer composition capable of suppressing the production of particles when used as a member for a camera module and capable of reducing the kinetic coefficient of friction and the static coefficient of friction of the member; a molded liquid-crystal polymer body using the liquid-crystal polymer composition; and an electrical/electronic appliance with the molded liquid-crystal polymer body. The liquid-crystal polymer composition contains a liquid-crystal polymer (A), a fluorine-contained resin (B), and a reinforcing material (C), wherein a surface of the reinforcing material (C) is at least partly covered with a treated layer made of a hydrophobic surface treatment agent.

A foamable composition including a polypropylene-based copolymer and a polyolefin is disclosed. The composition can be used to make a stiff foam with a high closed-cell content. Methods for producing the composition and the foam are provided.

A latent elastic film laminate is provided including a film predominantly comprising olefin elastomers. The film is stretched and maintained in a stretched state in order to impart the desired level of latent elasticity such that the conditioned film laminate will shrink upon activation, such as by heating. The latent elastic film laminate can be advantageously used in the manufacture of various elasticated articles, including absorbent personal care articles, by activating the latent elasticity after attachment to the article and thereby shining and elasticizing components to which the film laminate is attached.

A liquid crystalline polymer composition for foam molding using a supercritical fluid as a foaming agent. The liquid crystalline polymer composition includes a liquid crystalline polymer and a scale-like inorganic filler, in which a content of the scale-like inorganic filler is 1 part by mass or more and 20 parts by mass or less with respect to 100 parts by mass of the liquid crystalline polymer composition.