Y10T428/1393

Fluid transport pipe and use thereof
11254083 · 2022-02-22 · ·

Disclosed is a fluid transport pipe which has an inner layer, coming in contact with a fluid, comprising at least one aliphatic polyamide and at least one impact modifier and also at least one outer layer which is connected directly to the inner layer and is formed from an aliphatic polyamide and at least one flame retardant. While the inner layer ensures the chemical resistance relative to the fluids to be transported and the mechanical resistance, the flame resistance is ensured by the outer layer.

Marked fluoropolymer surfaces and method of manufacturing same

A method of manufacturing a coated low-friction medical device, such as low-friction medical tubing, including applying a coating to one or more selected portions of a surface of low-friction medical tubing to indicate at least one marking formed along the surface of the low-friction medical tubing, and simultaneously or substantially simultaneously: (a) curing the applied coating to a designated temperature (which is above the temperature at which the low-friction medical tubing begins to decompose and shrink) to adhere the applied coating to the surface of the low-friction medical tubing, (b) utilizing one or more anti-shrinking devices to counteract or otherwise inhibit the shrinking of the low-friction medical tubing, and (c) exhausting any harmful byproducts resulting from curing the low-friction medical tubing to a temperate above the temperature at which the low-friction medical tubing begins to decompose.

Printed polyester film based laminate, method of making and application thereof

The present disclosure provides a polyester film based laminate comprising: an outer polyethylene layer; a core layer of a printed polyester film; and an inner polyethylene layer; an article made of said laminate. The printing on the said polyester film based laminate can be a reverse printing. The present disclosure further provides a method for producing a polyester film based laminate.

Fluororesin and riser pipe

An object of the present invention it to provide a novel fluororesin that has excellent mechanical strength and chemical resistance, and very low permeability at high temperature. The fluorine resin is a copolymer that includes copolymerized units derived from tetrafluoroethylene, vinylidene fluoride, and an ethylenically unsaturated monomer other than tetrafluoroethylene and vinylidene fluoride. The fluororesin has a storage modulus E′, as measured at 170° C. by a dynamic viscoelasticity analysis, in the range of 60 to 400 MPa.

Cleaning pole sleeve
09725143 · 2017-08-08 · ·

A sleeved pole-like cleaning device having a pole-like member with a head portion defining a working surface and a removably couplable sleeve with a distal end, a proximal end, a first layer being of a substantially deformably-resilient and polymer-based material, and a second layer coupled to the first layer. The removably couplable sleeve has a first position along a slideable path while the removably couplable sleeve is encapsulating the pole-like member with the distal end of the removably couplable sleeve not substantially adjacent to the head portion of the pole-like member and a second position along the slideable path while the removably couplable sleeve is encapsulating the pole-like member with the distal end of the removably couplable sleeve substantially adjacent to the head portion.

Multi-layered fuel tubing

The invention describes a flexible tubular article for transport of volatile hydrocarbons comprising: (a) an inner layer of a polyvinylidene difluoride (PVDF) polymer or a polyvinylidene difluoride copolymer; (b) an intermediate thermoplastic polyurethane (TPU) layer extruded in tubular form over the inner PVDF layer, and (c) a polyvinyl chloride polymer extruded in tubular form over the outside surface of the intermediate layer and being coextensive therewith. The tubular articles of the invention have a maximum permeation rating of 15 g/m.sup.2/day under SAE J1737 test conditions.

Use of a transparent composition for photobioreactors

The present invention relates to photobioreactors and more particularly to the use of a transparent composition based on at least one methacrylic polymer for constructing installations for the culture of photosensitive organisms. This composition can be in the form of films, plates, profiled elements or cylinders such as tubes. The invention also relates to a transparent multilayer structure comprising at least one layer of a methacrylic polymer and one layer comprising at least one antifouling additive, and to the use thereof for constructing installations for the culture of photosensitive organisms.

Electrospun microtubes and nanotubes containing rheological fluid
09809908 · 2017-11-07 · ·

Microscale and nanoscale tubular structures are provided including rheological fluids in their interior volume and including at least one electroactive component. Multiple tubular structures are provided, including simple hollow tube structures; core/shell structures, wherein the tube includes a tubular outer shell with a core extending axially therein; concentric tube or coaxial tube structures, wherein the tube includes a tubular outer shell and one or more concentric tubes extending axially therein; and core/concentric tube structures, wherein concentric tubes further include a core extending axially therein, thus having a core and two or more tubes surrounding the core. The tubular structures are formed by electrospinning and special spinnerets are provided. The tubular structures form fabrics for beneficial uses.

Orientated polymeric devices

The present disclosure relates to a shape memory polymer material containing at least one two dimensional region having a first amount of stored stress in a first direction and a second amount of stored stress higher than the first amount of stored stress in a second direction, wherein the two dimensional region is capable of changing shape in only one of the first or second directions.

Polyarylene sulfide components for heavy duty trucks
09765219 · 2017-09-19 · ·

Components for heavy duty trucks are described that exhibit high strength and flexibility. The components are formed from a polyarylene sulfide that exhibits high strength and flexibility characteristics. Methods for forming the components are also described. Formation methods include dynamic vulcanization of a polyarylene sulfide composition that includes an impact modifier dispersed throughout the polyarylene sulfide. A crosslinking agent is combined with the other components of the composition following dispersal of the impact modifier throughout the composition. The heavy duty truck components can include tubular member such as pipes and hoses that can be utilized in exhaust systems, charge air systems, urea tanks, fuel systems, and so forth.