This invention provides: a method for manufacturing a supercharger compressor housing, in which a supercharger compressor housing is manufactured through at least a local heating step for locally heating an area to be heated, which is part of an abradable seal, and a mounting/fixing step for mounting and fixing the abradable seal to a mounting/fixing surface of a compressor housing main body, the locally heated area to be heated being inserted while being deformed into groove parts provided to the mounting/fixing surface in the mounting/fixing step; and a compressor housing created using this manufacturing method.

This invention provides: a method for manufacturing a supercharger compressor housing, in which a supercharger compressor housing is manufactured through at least a local heating step for locally heating an area to be heated, which is part of an abradable seal, and a mounting/fixing step for mounting and fixing the abradable seal to a mounting/fixing surface of a compressor housing main body, the locally heated area to be heated being inserted while being deformed into groove parts provided to the mounting/fixing surface in the mounting/fixing step; and a compressor housing created using this manufacturing method.

A thermoplastic composition includes a polyetherimide having a glass transition temperature of greater than 180 C., a block poly(ester-carbonate), and a flow promoter. The respective amounts of each component are further described herein. A method of preparing the thermoplastic composition includes melt-mixing the components, and extruding the components. Articles comprising the thermoplastic composition are also described.

This specification discloses an article of manufacture. The article of manufacture has at least one structural blank and at least one guide. The structural blank has a plurality of oriented fiber plies in a thermoplastic matrix. The guide has a plurality of random dispersed fibers in a thermoplastic matrix. The guide is affixed to the structural blank by injection molding and over molding the guide onto the structural blank. The article of manufacture can take a number of forms for use in industries such as aircraft, automobiles, motorcycles, bicycles, trains or watercraft.

This specification discloses an article of manufacture. The article of manufacture has at least one structural blank and at least one guide. The structural blank has a plurality of oriented fiber plies in a thermoplastic matrix. The guide has a plurality of random dispersed fibers in a thermoplastic matrix. The guide is affixed to the structural blank by injection molding and over molding the guide onto the structural blank. The article of manufacture can take a number of forms for use in industries such as aircraft, automobiles, motorcycles, bicycles, trains or watercraft.

An article for laser marking can comprising: a thermoplastic composition comprising a thermoplastic polymer, an active component comprising at least one of a polymeric unit and an additive, wherein the thermoplastic polymer has a visible transmission of greater than or equal to 80% according to ASTM D1003-00, Procedure A, using D65 illumination, 10 degrees observer, and thickness of 1 mm; and a mark produced by chemical rearrangement of the active component generated by a laser of a first wavelength; wherein the mark exhibits at least one of: (i) a change in optical properties in the region 400 nm to 700 nm when exposed to light having a wavelength less than or equal to 500 nm; and (ii) a change in optical properties in the region of 400 nm to 700 nm when exposed to light having a wavelength greater than or equal to the first wavelength.

An article for laser marking can comprising: a thermoplastic composition comprising a thermoplastic polymer, an active component comprising at least one of a polymeric unit and an additive, wherein the thermoplastic polymer has a visible transmission of greater than or equal to 80% according to ASTM D1003-00, Procedure A, using D65 illumination, 10 degrees observer, and thickness of 1 mm; and a mark produced by chemical rearrangement of the active component generated by a laser of a first wavelength; wherein the mark exhibits at least one of: (i) a change in optical properties in the region 400 nm to 700 nm when exposed to light having a wavelength less than or equal to 500 nm; and (ii) a change in optical properties in the region of 400 nm to 700 nm when exposed to light having a wavelength greater than or equal to the first wavelength.

A polymer composition including a polyetherimide comprising repeating units of formula (1) and formula (2) [Formula should be inserted here] wherein the repeating units of formula (1) are present in an amount of at least 10 mole %, preferably 20 to 100 mole %, Z is independently at each occurrence derived from a biphenol; Z is independently at each occurrence a group of formulas (3) to (13) as defined herein, preferably bisphenol A, 1,2-dihydroxybenzene, 1,1-bis(4-hydroxyphenyl)-1-phenyl-ethane, isophorone bisphenol (1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane), spirobiindane bisphenol, dimethylindanone bisphenol, 3,3-dimethylbisphenol cyclohexane, or fluorenone bisphenol; and R is independently at each occurrence as a C.sub.6-20 aromatic hydrocarbon group or a halogenated derivative thereof, a straight or branched chain C.sub.2-20 alkylene group or a halogenated derivative thereof, a C.sub.3-8 cycloalkylene group or halogenated derivative thereof; wherein the polyetherimide has a Tg of greater than 200 C. ##STR00001##

The invention relates to a process for manufacturing an impregnated fibrous material comprising continuous fibers and a thermoplastic matrix, said fibrous material is made from at least one unidirectional tape and said process comprises a step of pre-impregnating said fibrous material that is in the form of at least one roving with said matrix and a step of heating the matrix after pre-impregnation, said heating step being carried out by means of a non-heated and non-heat-conducting tension device and a heating system, with the exception of a heated calendar, said roving being in contact with the surface of said tension device and running over the surface of said tension device level with the heating system.

A film having excellent optical homogeneity, which is suitably used as an optical film in an image display device, and a method for manufacturing the same. Moreover, an evaluation method which can evaluate the optical homogeneity of the film with a higher precision than in conventional evaluation methods is provided. A film that is a cast film containing a resin having a weight average molecular weight of 200,000 or more, wherein, when line profiles in a direction h and a direction v which are orthogonal to each other in a film inverse space image obtained by Fourier transforming a projection image obtained by a projection method using the cast film are a line profile h and a line profile v.