Abstract: A wire marker is provided. A carrier strip includes a first layer having at least one opening, two bands applied to opposite edges of the first layer, the bands including an adhesive on at least one side, and a label secured into the opening and attached to the adhesive. At least one access perforation may be located on the first layer that is horizontal and adjacent to one side of the opening. The access perforation facilitates removal of the label from the carrier and allows for insertion of a cable through the label. A plurality of horizontal carrier perforations may further be located between each opening on the first layer to facilitate removal of the carrier strip from a printer.

Abstract: Heat shrinkable oriented multilayer films are disclosed that comprise a structural layer, a heat sealing layer and a gas barrier layer. The structural layer comprises a polymer selected from the group consisting of copolymers of ethylene and a C3 to C8, -ethylenically unsaturated carboxylic acid, ionomers of the copolymers, polyesters, and blends thereof. The heat sealing layer comprises a polymer selected from the group consisting of ethylene vinyl acetate copolymers, ethylene alkyl acrylate copolymers, ethylene alkyl methacrylate copolymers, polyethylene, and blends thereof. The barrier layer, which is positioned between the structural and heat sealing layer, comprises at least one ethylene vinyl alcohol copolymer that has from about 2 to about 8 mol % 1,2-glycol structural units incorporated in the copolymer backbone chain. The films are particularly suitable for use in manufacture of shrinkbags.

Abstract: A process for preparing a multilayer biaxially oriented polyester film is provided wherein at least one layer comprises a blend of a poly(trimethylene terephthalate) resin and an additional polyester resin. Such films are particularly adapted for use in manufacture of packaging films.

Abstract: The present invention provides a heat-shrinkable laminated film including at least two layers, in which the first layer is composed of at least one kind of a polylactic acid series resin as the main component and the second layer is composed of at least one kind of a polyolefin series resin as the main component. Heat shrinkage ratio of this film in the film main shrinking direction is 30% or more when dipped in warm water of 80° C. for 10 seconds. Since this heat-shrinkable laminated film is made from a plant-derived resin, it promotes a use of biomass. Also, as this film exhibits excellent shrinkage property in low temperature, film rigidity, shrink finishing quality, and small natural shrinkage ratio, the film is suitably used for a molded product which requires heat shrinkage property, specifically, it is suitably used for shrinkable label.

Abstract: A plastic bag for the manufacture of an easy-openable, hermetically sealed package, comprises a multi-layer heat-shrinkable film folded and/or heat-sealed to itself to form a flexible container with two closed side edges, a closed bottom side edge and an open top side, wherein said multi-layer heat-shrinkable film comprises a first outer heat-sealing layer (a), a second outer layer (b) and directly adhered to the heat-sealing layer (a) an internal layer (c) of a blend of at least two resin components that are only partially compatible so that said layer (c) will fail when a transversal force of from about 4 to about 9.5 N/25.4 mm is applied thereto. Preferably the bag is an ES bag and comprises an unsealed area extending beyond the factory bottom seal where the front and rear panels of the bag are separately graspable and usable as tabs to be pulled apart to initiate opening of the package. Also claimed is the packaged product comprising said plastic bag.

Abstract: A block copolymer mixture comprising block copolymers (A), (B) and (C) each block comprising vinyl aromatic hydrocarbon and conjugated diene monomer units: wherein block (A) comprises from 75 to 95 mass % of a vinyl aromatic hydrocarbon and from 5 to 25 mass % of a conjugated diene, and which has a block portion composed mainly of a vinyl aromatic hydrocarbon having a number average molecular weight of from 30,000 to less than 150,000: block (B) comprises from 50 to 80 mass % of a vinyl aromatic hydrocarbon and from 20 to 50 mass % of a conjugated diene, and which has a block portion composed mainly of a vinyl aromatic hydrocarbon having a number average molecular weight of from 20,000 to less than 120,000, and block (C) comprises from 60 to 95 mass % of a vinyl aromatic hydrocarbon and from 5 to 40 mass % of a conjugated diene, which has at least one random copolymer block portion comprising, as monomer units, from 55 to 95 mass % of a vinyl aromatic hydrocarbon and from 5 to 45 mass % of a conjugated die

Abstract: The present invention provides a polyolefin series heat-shrinkable film comprising a mixed resin mainly containing a polyolefin series resin (A), polylactic acid series resin (B), and a resin (C) facilitating compatibility with the resin (A) and the resin (B), or comprising at least one layer made of the mixed resin, wherein mass ratio of the resin (A) to the resin (B) is (A)/(B)=99/1 to 70/30; heat shrinkage ratio of the film at least in one direction when dipped in hot water at 80° C. for 10 seconds is 20% or more; and natural shrinkage ratio of the film when stored at 40° C. under 50% RH environment for 7 days is less than 10%. This polyolefin series heat-shrinkable film exhibits excellent heat-shrinkable property and shrink finishing quality, and inhibits natural shrinkage. This invention also provides a polyolefin series heat-shrinkable label and container on which the heat-shrinkable label is fitted.

Abstract: A container blank comprises at least one substrate layer made of disposable material and at least one film layer disposed substantially over the substrate layer and having at least one portion adapted to shrink away from the substrate layer upon application of heat. The shrunk film layer portion is adapted to thermally insulate the substrate layer located substantially behind the shrunk film layer portion.

Abstract: Extruded, stretched, sintered tubular PTFE materials are produced which are suited for use in the medical field as liners and covers for expandable stents. The PTFE materials have an unusually low REC (Radial Expansion Coefficient) and RER (Radial Expansion Ratio).

Abstract: A container blank comprises at least one substrate layer made of disposable material and at least one film layer disposed substantially over the substrate layer and having at least one portion adapted to shrink away from the substrate layer upon application of heat. The shrunk film layer portion is adapted to thermally insulate the substrate layer located substantially behind the shrunk film layer portion.

Abstract: The present invention is directed to a cook-in film and to bags, pouches and the like made therefrom. The invention is further directed to a method of producing and preserving a food product using such a film, bag or pouche and to a packaged food product obtained therefrom.

Abstract: A packaging article has tear initiators for initiating a manual tear that can be propagated to open a package and allow a product to be readily removed therefrom, without the use of a knife or scissors or any other implement. The packaging article is made from a heat-shrinkable multilayer film having at least one layer containing an incompatible polymer blend, and/or a layer containing an inorganic filler, and/or a layer having a high Young's modulus. The film also has a Peak Load Impact Strength of at least 50 Newtons per mil, The tear initiators can be used to generate a manual machine direction tears to open the package, with the manual machine direction tear being capable of propagating in the machine direction to the opposite edge of the packaging article. A process for making a package and manually opening the package is also disclosed.

Abstract: A multilayer film which loses its memory when subjected to heat shrinking comprising at least three layers, wherein at least one of the layers comprises a styrene-butadiene copolymer and the other layers comprise at least one material selected from the group consisting of HDPE, LLDPE and LDPE.

Abstract: An insulating label stock or sleeve formed from such label stock includes a thermal insulating layer, which may a fiberfill batt. The batt is laminated to at least one layer of heat shrinkable material, such as a film. The insulated packaging material may be coated with a coating material to enhance printing capabilities. The insulating label stock or sleeve is installed around a container, and after being activated by heating, conforms to the contours of the container. The insulating label stock retains its hot and cold insulative properties after being heat-shrunk.

Abstract: A tubular cold shrinkable material can include an elastomeric composition including an epichlorohydrin composition, where the elastomeric composition is substantially free of a fluoroelastomer composition. The tubular cold shrinkable material can further include a filler material including a reinforcement-grade carbon black. The tubular cold shrinkable material can further include a peroxide curative.

Abstract: A tubing system (or construction) comprising an inner wall composed of a thermo-conductive adhesive composition, wherein the thermo-conductive adhesive composition comprises a thermo-conductor admixed with an adhesive, and the thermo-conductor is at least about 45% of the weight of the thermo-conductive adhesive composition; and an expanded polymeric outer jacket surrounding and in contact with the inner wall, wherein the expanded polymeric outer jacket recovers (i.e., shrinks) at a predetermined temperature, e.g., when heat is applied.

Abstract: The present invention refers to a multilayer heat shrinkable film characterized by a combination of desirable properties, such as high shrinkage, good optical properties, excellent sealability and stack sealability. The invention further is directed to a method of producing a packaged food item by using said film. The invention is further directed to the use of said film or bags and pouches made therefrom for packaging goods as for example food products.

Abstract: The invention relates to a polymer comprising units derived from ethylene having: a) a Melt Index of from 0.05 to 20 g/10 min; b) at least 10 per 1000 C-atoms of short chain branches, containing five carbon atoms or less, and less than 3.5 mol %, of units derived from a copolymerizable ethylenically unsaturated ester, c) a density of from 0.90 to 0.94 g/cm3, preferably 0.91 to 0.935 g/cm3, especially 0.92 to 0.93 g/cm3, and d) a relaxation time as described herein of at least 10 s. The polymer may be used for stretch hood film, preferably as a blown film coextruded tube comprising: a) a core of the above polymer; and b) a skin layer, on each side of the core which may be of the same or different composition, comprising at least 60 wt % of an LLDPE having density of 0.91 to 0.94 g/cm3.

Abstract: The disclosure is directed to a method of forming multi-layer tubes including providing a heat-shrinkable fluoropolymer liner and extruding an elastomeric cover over the heat shrinkable fluoropolymer liner. The disclosure is further directed to a method of forming multi-layer tubes including providing a non-fibrillated, high flex fluoropolymer liner and extruding an elastomeric cover over the non-fibrillated, high flex fluoropolymer liner. The disclosure is further directed to the above-mentioned multi-layer tubes.

Abstract: A tubular cold shrinkable material can include an elastomeric composition including a fluoroelastomer composition, where the elastomeric composition is substantially free of an epichlorohydrin composition. The tubular cold shrinkable material can further include a filler material including a reinforcement-grade carbon black. The tubular cold shrinkable material can further include a peroxide curative.

Abstract: A heat-shrinkable multilayer material for packaging, in particular food packaging, comprises a first layer made of heat-shrinkable material, a microwave susceptible material covering at least a part of the first layer, at least one second layer made of shrinkable or non-shrinkable material, the first and second layer can be connected to each other by embedding the microwave susceptible material, wherein the microwave susceptible material is arranged in a pattern between the first and second layer, the pattern creating areas of increased stiffness within the multilayer material when microwave energy is applied onto.

Abstract: A plastics film 1 composed of rigid polyvinyl chloride serves as backing film for a sleeve label. The sleeve label can be applied by adhesive bonding and shrinking onto a peripheral surface of the cylindrical body. A protective covering film 2 has been laminated onto the plastics film 1. The plastics film 1 has been stretched in the machine direction of a calender and has a longitudinal heat shrinkage of from 40 to 60%, based on the unstretched plastics film. Perpendicularly to the machine direction of the calender, the heat shrinkage of the plastics film is from 0 to 10%.

Abstract: A structure includes a hollow tubular first body made of a shape-recovering polymeric material having a first region in the recovered state, and a second region in the expanded state. A second body including an element of a fastener, such as a hook-and-loop fastener, is affixed to the first region of the first body with an adhesive joint. The first body is desirably in the form of a hollow tube that encloses a wire bundle or other enclosed body. The structure may also include a support, and a second element of the hook-and-loop fastener affixed to the support. The first element of the hook-and-loop fastener is engaged to the second element of the hook-and-loop fastener.

Abstract: A retrofit heat-sensitive shrink wrap sleeve is placed over a tetrahedral hand-held personal electronic device to be covered, having four adjacent lateral planar sides and two remaining planar sides perpendicular to the lateral planar sides. The sleeve is aligned with the device, and then shrunk to a form fit by heating all surfaces using an ordinary hair dryer. For certain devices such as personal music/video player devices (e.g.—iPod® of Apple Corporation), the sleeve is open at top and bottom thereby providing clearance for access to connectors which are typically placed on those surfaces of the device. For other types of device such as a personal digital assistant (PDA)/camera phone device, it is more appropriate for the sleeve to be open at both sides to permit access to connectors and ports on the side. In such case, a port is provided for the camera lens of the camera phone device.

Abstract: An optical packaged body capable of preventing generation of a wrinkle, deflection, and warpage, capable of being thinned is provided. The optical package body includes a support medium and a packaging film that covers the support medium in a state of being applied with shrinkage force. The packaging film has an optical function section that acts on light from a light source in at least one of a first region into which the light from the light source enters and a second region from which the light from the light source is emitted after passing through the optical packaged body when the light source is arranged on one face side of the optical packaged body.

Abstract: Provided is a melt composition for a heat shrinkable foam structure that includes at least one base polymer and a blowing agent made from at least one heat-activated chemical compound encapsulated by a plurality of polymeric shells. The melt composition may also include a crosslinking promoter or other additives. Also provided is a method for making a heat-shrinkable polymer foam tubing. A melt composition containing at least one base polymer material having a melt temperature and a blowing agent having an activation temperature is provided. The melt composition is mixed at an elevated temperature. The melt composition is then extruded through a die at a high temperature. The extruded foam tube is then processed, often heat-processed.

Abstract: A retortable packaging article is made from a heat-shrinkable film having at least three layers. The first layer serves as an inside layer of the packaging article, and contains a polyolefin having a melting point of at least 241° F., and/or a polyamide copolymer having a melting point of from 275° F. to 428° F. The first layer of the film is heat sealed to itself. The second layer is an inner film layer containing at least one semi-crystalline polyamide that makes up at least 65 weight percent of the second layer. The third layer serves as an outside layer of the packaging article, and comprises at least one member selected from the group consisting of (i) a polyolefin having a melting point of at least 241° F., and (ii) a polyamide copolymer having a melting point of from 275° F. to 428° F. The film exhibits a total free shrink at 185° F. of at least 20 percent. At least one semi-crystalline polyamide makes up at least 35 volume percent of the multilayer film.

Abstract: A multilayer, heat-shrinkable film contains at least one semi-crystalline polyamide selected from the group consisting of polyamide 6, polyamide 66, polyamide 6/66, and polyamide 6/12. The film may have a total semi-crystalline polyamide content of at least 35 volume percent, based on total film volume, and a total free shrink at 185° F. of at least 35 percent. The film may have an FTIR Transmission Absorbance A1199/A1170 ratio of up to 1.65. The film may be a retortable film, capable of being used in a process for preparing a retorted packaged product.

Abstract: A multilayer, heat-shrinkable film has a first layer that is an outer film layer and that serves as a heat seal layer, and a second layer comprising at least one semi-crystalline polyamide. The first layer contains at least one member selected from the group consisting of (i) polyolefin having a density of from 0.88 g/cm3 to 0.917 g/cm3, and (ii) ionomer resin. The second layer contains at least one semi-crystalline polyamide selected from the group consisting of polyamide 6, polyamide 66, polyamide 6/66, and polyamide 6/12, with the semi-crystalline polyamide making up at least 50 weight percent of the second layer. The film has a total free shrink at 185° F. of at least 35 percent. The film has a total semi-crystalline polyamide content of at least 35 volume percent. The multilayer, heat-shrinkable film exhibits a percent haze as measured using ASTM D 1003-00, and a percent transparency as measured using ASTM D 1746-97, in accordance with the following equation: % Transparency?5.33 (% Haze)?31.

Abstract: Provided is an ionomer resin composition containing an ethylene ionomer resin and organo clay, wherein the content of the organo clay is 2 weight % or more and 60 weight % or less relative to the whole ionomer resin composition. Also provided is a tubular shaped article made by extruding the ionomer resin composition, which tubular shaped article has the following properties: rigidity sufficient for allowing an automatic machine to perform the processes of covering over a lithium-ion battery to be covered therewith and the contraction thereof; the contraction processing can be completed at low temperature of 120° C. or less; and superior resistance to an electrolytic solution.

Abstract: A vapor-dispersing device comprising a moveable piston with a porous protuberance is described that operates by the repetitive movement of the piston to intermittently dip the porous member into a volatile liquid and to expel air out through vents.

Abstract: Themoformable multilayer film having a longitudinal and transversal thermoshrinkability equal to or greater than 20%, which thermoshrinkability is not substantially influenced by thermoforming, and devices for producing packages from the thermoformable multilayer film.

Abstract: A package includes a vacuumized bag made from a film including an outer layer including an olefin polymer or copolymer, an inner layer including an olefin polymer or copolymer, an oxygen barrier layer, disposed between the outer and inner layer, including a polymer or copolymer having an oxygen permeability of less than 100 cm3 O2/m2·day·atmosphere, and an intermediate layer, disposed between the oxygen barrier layer and inner layers, including a polymer or copolymer, wherein at least one of the inner and intermediate layers includes a carbon dioxide scavenger; and a meat product disposed in the bag. A method of packaging a meat product includes providing a bag made from the above film; putting a meat product into the bag through an open bag mouth; drawing a vacuum on the bag to provide a vacuumized bag; and heat sealing the open mouth of the bag.

Abstract: The present invention relates to a self-rolling pressure-sensitive adhesive sheet, comprising a shrinkable film layer which is contractible in at least one axial direction; a restriction layer restricting a contraction of the shrinkable film layer, the restriction layer being disposed on a side of the shrinkable film layer; and a pressure-sensitive adhesive layer disposed on the side of the restriction layer which is opposite to the side on which the shrinkable film layer is disposed, the self-rolling pressure-sensitive adhesive sheet being a releasable pressure-sensitive adhesive sheet, in which the pressure-sensitive adhesive layer or the pressure-sensitive adhesive layer after an adhesiveness decreasing treatment has a pressure-sensitive adhesive power (180° peeling, against a silicon mirror wafer, tensile speed: 300 mm/min) of 6.

Abstract: Compositions and packaging films are provided having a blend of an amorphous nylon copolymer, a low temperature polyamide, and a high temperature polyamide. The compositions can be used in making heat shrinkable films and food packages having desirable levels of free shrink.

Abstract: A polymer film is disclosed for effectively smoking and/or drying products packed therein, which are to be smoked and/or air dried, in particular, smoked cheeses, smoked, uncooked smoked, and air-and-sunshine dried sausages, meat and fish products. This single-layer film is produced on the base matrix of an aliphatic polyamide and/or copolyamide and/or terpolyamide and contains 4.0-50.0 wt % of a hydrophilic compound which is in a highly dispersed state, wherein the hydrophilic compound forms a disperse phase with a linear size of the domain being 0.1-3.0 ?m in a direction perpendicular to the plane of the film, and either a polymer compound or a low-molecular substance-salt, may be used as such.

Abstract: Sulfonated aromatic copolyesters and articles made therefrom, and processes for producing the sulfonated aromatic copolyesters and articles are provided. Articles that can be made from the sulfonated aromatic copolyesters include films, coatings and laminates. Some of the compositions and articles are biocompostable. The films can further be used to form shaped articles such as sheets, food packaging such as sandwich wraps, thermoformed containers, and coatings for, for example, films and other substrates. The sulfonated aromatic copolyesters contain a hydroxyalkanoic acid component.

Abstract: “SAFETY AND PROTECTION SEAL ARRANGEMENT FOR FOODSTUFF AND BEVERAGE PACKING”, more particularly referring to a heat shrinkable seal (1) applied to the opening or mouthpiece region (B) of packing (E), preferably for direct consumption foodstuff and beverages, said heat-shrinkable seal (1) comprising a heat-shrinkable material tubular portion (2), sized such as to totally or partially involve the packing, more precisely the packing mouthpiece (B), which tubular portion (2), after being placed on the packing is heat-shrunk defining a top collar (3) flat and parallel to the cap (T) of packing (E), defining an annular support surface for the sealability (4) of a disk-shaped seal (5); the band (2) being provided with means to rupture the seal (1) with or without ribbon (6) and partial perforation.

Abstract: A heat-shrinkable polyester film having a multi-layer structure of at least two layers, among which at least one layer is a layer containing a PET bottle-recycled material, wherein a heat shrinkage percentage in a maximum shrinkage direction of a 10 cm square sample cut out from the film is 40% or higher, under the condition that the square sample is immersed in hot water of 95° C. for 10 seconds and then immersed in water of 25° C. for 10 seconds, to provide a heat-shrinkable polyester film which has excellent characteristics and which can be produced at a high rate, even when a PET bottle-recycled material is used.

Abstract: A heat-shrinkable PET film comprises a thermally stretched film body exhibiting shape-memory characteristics and made from a PET material of a modified PET composition that includes terephthalic acid, ethylene glycol, and a modifier selected from 1,3-dihydroxy-2-methylpropane, 1,3-dihydroxy-2-methylpropane alkoxylate, 2,5-dimethyl-2,5-hexanediol, and combinations thereof.

Abstract: A cook-in bag having a patch adhered thereto provides is designed for cook-in of bone-in meat products. The patch is adhered to the bag with an adhesive capable of withstanding cook-in conditions.

Abstract: A sleeve and method for making the same for use in packaging consumer goods comprising a plastic film having a first longitudinal edge and a second longitudinal edge is disclosed. The plastic film is rolled into a tube wherein the first longitudinal edge overlaps the second longitudinal edge defining a flap. A plurality of seaming beads are applied along the first longitudinal edge to seam the first longitudinal edge to the second longitudinal edge, the plurality of seaming beads including an inner seaming bead and an outer seaming bead to form a plurality of seams in the sleeve. In exemplary embodiments, the plurality of seaming beads are utilized with different adhesive solutions. Other embodiments include, but are not limited to a perforation strip between the at least two seaming solutions.

Abstract: Coextruded, biaxially oriented polyester films which have a white base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) includes a) from 80 to 99% by weight of polyester and b) from 1 to 10% by weight of inorganic and/or organic particles with a median diameter d50 of from 2.5 to 12 ?m, and where c) the polyester is composed of from 12 to 89 mol % of units derived from at least one aromatic dicarboxylic acid and of from 11 to 88 mol % of units derived from at least one aliphatic dicarboxylic acid, and d) the ratio calculated from the particle size d50 of the particles and the layer thickness dA of the outer layer (A) is greater than or equal to 1, and the base layer (B) comprises an inorganic white pigment and/or a polymer incompatible with polyester. The films of the invention are suitable as a packaging material for foods and other consumable goods or as a lid film for APET/CPET or CPET trays.

Abstract: To provide a heat-shrinkable laminate film excellent in film elasticity (rigidity at room temperature), shrink finishing quality, transparency when incorporated as recycled and natural shrinkage and having delamination of the film suppressed, so that it is suitable for application in shrink wrapping, shrink bundling wrapping, shrink label, etc., and a plastic container provided with a heat shrinkable label made of such a film. A laminated film comprising a surface layer (S layer) composed mainly of a polyester resin, an intermediate layer (M layer) composed mainly of a styrene resin and an adhesive layer (AD layer) composed mainly of an adhesive resin, wherein its heat shrinkage is at least 30% in at least one direction when it is dipped in warm water of 80° C. for 10 seconds, or its tensile modulus of elasticity in a direction perpendicular to the main shrink direction is at least 1,200 MPa.

Abstract: A method and kit are provided for labeling an object having a generally rounded outer surface, such as a cowboy lariat. The kit includes a label, substantially transparent heat-shrinkable tubing, and packaging suitable for storing, displaying, and distribution. Use of the invention is quick and efficient, providing a durable and easily recognizable label for imprinting an identifying mark thereon.

Abstract: A film that provides a fumigant barrier on a raised crop bed includes a barrier material for restricting the flow of a fluid fumigant, and an elastic polymer material for providing elasticity in the film so that the film can be stretched around the crop bed. The barrier material can be a combination of a polyamide, such as copolyamide 6/66, and an amorphous nylon resin. The elastic polymer can be a plastomer, such as an ethylene based octene plastomer or a polyolefin plastomer. The film can also include a polyethylene resin, such as a linear low density polyethylene, to provide strength to the film. The film can be made utilizing a blown film extrusion process.

Abstract: The present invention relates to a thermo-shrinkable polyester film with a superior thermal shrinkage, which has an orientation angle of a molecular chain in a range of from 0° to about ±10° relative to a main shrinkage direction, and a molecular orientation ratio (MOR) in a range of from 1.29 to about 2.5, thereby preventing a label made from the film from curling or waving.

Abstract: A support coil for radially supporting an elastically expanded tube material includes an extruded profile body consisting of a plurality of windings wound about a longitudinal axis of the support coil. Each of the windings has opposing end faces. A ratchet arrangement joins the end faces of the adjacent windings with respect to the longitudinal axis of the support coil. A tongue and groove arrangement joins the end faces of the adjacent windings with respect to a radial direction of the support coil. The tongue and groove arrangement is spatially separated from the ratchet arrangement.

Abstract: An airbag is manufactured by sewing a base fabric woven with a first polar fiber by means of a sewing thread. The sewing thread is made up of a yarn formed from a second polar fiber such as nylon 66, and the yarn is subjected to a lubrication treatment using a lubricating agent that consists of a polar group-containing compound having an action to improve lubricity of the sewing thread or that contains mainly such a polar group-containing compound.

Abstract: Articles, particularly fibers, whose shape is dependent on temperature. The articles have a first component composed of a sharply-melting crystalline polymer and an overlapping second component. As the crystalline polymer is cooled through its melting range, the volume of the first component increases much more rapidly than the volume of the second component. As a result, the shape of the article changes. Such fibers can be incorporated into fibrous articles having temperature-dependent thermal insulation properties.