A method of making a transverse Anderson localization (TAL) element includes mixing pellets together to make a mixture, the pellets being of two or more distinct materials having respective wave speeds effective to provide Anderson guiding. The mixture is fused to make a preform which has respective pellet-size areas of the distinct materials corresponding to the pellets in the mixture. One or more stretching operations is performed to stretch the preform into the TAL element.

An extruder and an LFT extrusion member manufactured thereby, and the extruder uses a long fiber thermoplastic (LFT) as a raw material to produce LFT extrusion members such as LFT sheets, pipes and profiles by a continuous extrusion molding process. The structural improvement of the extruder screw, including the screw body having three different thread groove deep sections, in sequence, a feed section, a compression section and a metering section, so that the LFT extrusion member produced by the extruder has high strength, high stiffness, high dimensional stability, low warpage and resistance to creep.

An oriented polymer composition (OPC) article comprising a body having a length, which is greater than any perpendicular dimension, comprised of an OPC having a softening temperature, the body having an outer surface extending the length of the body, having polymer strands aligned in the lengthwise direction of the body, wherein the length dimension stability is greater than 99% when tested by heating the article for 24 hours at temperatures at least up to and including 71 degrees Celsius after completion of the manufacture of the article and processes for forming said article.

An oriented polymer composition (OPC) article comprising a body having a length, which is greater than any perpendicular dimension, comprised of an OPC having a softening temperature, the body having an outer surface extending the length of the body, having polymer strands aligned in the lengthwise direction of the body, wherein the length dimension stability is greater than 99% when tested by heating the article for 24 hours at temperatures at least up to and including 71 degrees Celsius after completion of the manufacture of the article and processes for forming said article.

A method of making a transverse Anderson localization (TAL) element includes mixing pellets together to make a mixture, the pellets being of two or more distinct materials having respective wave speeds effective to provide Anderson guiding. The mixture is fused to make a preform which has respective pellet-size areas of the distinct materials corresponding to the pellets in the mixture. One or more stretching operations is performed to stretch the preform into the TAL element.

The invention relates to a single- or multilayer polyester film with transparency at least 93%, where the film includes a UV stabilizer in all film layers and has a permanent antifog coating on at least one side. The permanent antifog coating is the dried product of an aqueous coating dispersion having the following components: a) from 1 to 15% by weight (based on the coating dispersion) of a soil release polymer and b) from 3 to 15% by weight (based on the coating dispersion) of a hygroscopic, porous material. The invention further relates to a process for the production of the film and to its use.

The invention relates to a single- or multilayer polyester film with transparency at least 93%, where the film includes a UV stabilizer in all film layers and has a permanent antifog coating on at least one side. The permanent antifog coating is the dried product of an aqueous coating dispersion having the following components: a) from 1 to 15% by weight (based on the coating dispersion) of a soil release polymer and b) from 3 to 15% by weight (based on the coating dispersion) of a hygroscopic, porous material. The invention further relates to a process for the production of the film and to its use.

An oriented plastic composition (OPC) shaped article having a length, width and thickness dimension in which the width and thickness dimensions are less than that of the length dimension, having at least one surface that can be machined so that a portion of the OPC shaped article is reduced in the width or thickness dimension along at least a portion of the length of the article and a process for making and machining an OPC shaped article.

An oriented plastic composition (OPC) shaped article having a length, width and thickness dimension in which the width and thickness dimensions are less than that of the length dimension, having at least one surface that can be machined so that a portion of the OPC shaped article is reduced in the width or thickness dimension along at least a portion of the length of the article and a process for making and machining an OPC shaped article.

The invention provides a roll of a white heat-shrinkable polyester-based film containing titanium oxide which can suppress occurrence of a processing trouble of a label or the like cut out from the roll, even when widening the roll. The roll of the white heat-shrinkable polyester-based film satisfies the following requirements: (1) the length of the film is 1,000-20,000 m and the width of the film is 400-10,000 mm, (2) the heat-shrinkage ratio in a main shrinkage direction is 50-85%, (3,4) the difference between the maximum and minimum heat-shrinkage ratio in the main shrinkage direction is 0-3% among samples which are sampled in each of the width and longitudinal directions of the film, and (5,6) the difference between the maximum and minimum apparent specific gravity is 0-0.01 g/cm.sup.3 among samples which are sampled in each of the width and longitudinal directions of the film.