Shrink films made from metallocene-catalyzed polyethylene polymers and processes for making the same are disclosed.

A portable device for attaching a connector to an optical fiber, the optical fiber having an end, the device comprising means for receiving the optical fiber at the end of the optical fiber; and a connector station for autonomously attaching the connector to the optical fiber.

A moisture wicking heat shrink sleeve for aircraft cabin moisture control incorporates a heat shrinkable tube of predetermined length receivable over a structural member. A moisture absorbing layer is adhered to a surface of the heat shrinkable tube with the heat shrinkable tube and adhered moisture absorbing layer configured for radial contraction from a first expanded condition to a second contracted condition upon application of heat.

The heat-recoverable article according to the present invention has a cylindrical shape and includes a base material layer. The base material layer contains a polyolefin-based resin. In the base material layer after being heated at 180 C. for 2 minutes, a melting-point peak temperature is 115 C. or higher and 128 C. or lower, a heat of fusion of a total resin component is 80 J/g or more and 150 J/g or less, a storage modulus at 120 C. is 4 MPa or more, a gel fraction is 40% by mass or more and 80% by mass or less, and a storage modulus at 180 C. is 0.5 MPa or more and less than 3.0 MPa. The polyolefin-based resin is preferably a mixture of a first polyolefin-based resin having a melting point of 125 C. or higher and 135 C. or lower and a second polyolefin-based resin having a melting point of lower than 125 C.

An embodiment of heat-shrinkable tubing capable of providing the strength characteristics of known heat-shrinkable tubing embodiments while maintaining a low peel force for easy removal from a shaft or other solid body during extrusion and expansion manufacturing.

The objective of the present invention is to provide a tube which is formed from a fluororesin and has excellent tearability and inner surface smoothness. A tube formed from a fluororesin according to the present invention is tearable in the longitudinal direction, and is formed from one thermoplastic fluororesin that is different from polytetrafluoroethylenes.

A multilayer shrink film comprising a first layer, a second layer, and a third layer, wherein the second layer is positioned between the first layer and the third layer, and wherein the second layer comprises a second polymer blend, the second polymer blend comprising from 0 to 60 wt. %, based on the total polymer weight in the second polymer blend, of a low density polyethylene, and from 40 to 100 wt. %, based on the total polymer weight in the second polymer blend, of an ethylene/-olefin interpolymer composition having a density in the range of from 0.860 g/cc to 0.910 g/cc, a melt index (I.sub.2) in a range of from 0.1 to 5 g/10 minutes, a molecular weight distribution (M.sub.w/M.sub.n) in the range of from 1.8 to 3.5, and a Comonomer Distribution Constant (CDC) in the range of from 95 to 200.

A heat shrinkable film manufacturing method includes: preparing packaging materials including film labels having resin layers mainly including thermoplastic resin and print layers; preparing first and second virgin raw materials of thermoplastic resin; recovering, from the resin layers, a recycled raw material of thermoplastic resin; and forming a resin-based film including the recycled raw material as a raw material so as to have a core layer and a surface layer layered on the core layer wherein the forming the resin film includes at least one of: forming the core layer including at least the recycled raw material and the first virgin raw material and the surface layer mainly including the second virgin raw material; and forming the core layer including the first virgin raw material and the surface layer including the second virgin raw material and at most 25 wt % of the recycled material.

Disclosed is a multilayer biaxially oriented sheet- or tube-type food casing or food packaging film comprising in order from outside to inside an outside surface layer preferably comprising polyester; a gas barrier layer preferably comprising ethylene vinyl alcohol copolymer positioned so that at least 60% of the total film thickness is to the inside of the gas barrier layer with respect to a package prepared from the film; an optionally shrinkable forming layer comprising polyolefins or ethylene copolymers; and an inside surface layer comprising polyethylene homopolymer or an ethylene alkyl (meth)acrylic acid copolymer or ionomer thereof. The casing or film can be produced by a blown film process and biaxially oriented by a triple-bubble process or by cast film process and biaxially oriented by a tenter frame process.

An oral-care implement including a filament comprising an external material and at least a first internal material. The filament includes an elongated flexible body having a length, a longitudinal axis, and a longitudinal outer surface comprising the external material, the elongated body terminating with a tip having a tip surface comprising the external material, wherein the tip surface has therein a plurality of craters distributed throughout the tip surface in a predetermined pattern, each of the craters having a surface edge of a predetermined size and a predetermined shape, walls extending longitudinally from the surface edge and comprising the external material, and a bottom comprising the at least first internal material and situated at a depth from the surface edge, the surface edge being formed by the walls and the tip surface.