Thermoplastic Vulcanizate Compositions and Thermoplastic Olefinic Compositions as Insulating Layers in Non-Flexible Pipes

In an embodiment is provided a composition having a thermal conductivity of less than 0.2 W/m-K, the composition including a rubber and a thermoplastic olefin. In another embodiment is provided an insulated high-temperature transport conduit that includes a continuous steel pipe comprising one or more pipe sections, wherein the steel pipe has an outer surface and an inner surface; and a first thermal insulation layer disposed over the outer surface of the steel pipe, wherein the first thermal insulation layer comprises a composition having a thermal conductivity of less than 0.2 W/m-K, the composition comprising a rubber and a thermoplastic olefin. 186-. (canceled)87. An insulated high-temperature transport conduit comprising:a continuous steel pipe comprising one or more pipe sections, wherein the steel pipe has an outer surface and an inner surface; anda first thermal insulation layer disposed over the outer surface of the steel pipe, wherein the first thermal insulation layer comprises a composition having a thermal conductivity of less than 0.2 W/m·K, the composition comprising a rubber and a thermoplastic olefin.88. The conduit according to claim 87 , wherein the composition has a Vicat softening point of from 90° C. to 200° C.89. The conduit according to claim 87 , wherein the composition has a Shore hardness of from 30 Shore D to 50 Shore D.90. The conduit according to claim 87 , wherein the first thermal insulation layer has one or more of the following properties:a creep resistance of less than 7%;a Young's modulus at 23° C. of 50 MPa or more;a compressive strength at 23° C. of 10 MPa or more, as measured according to ASTM D575;a specific heat capacity at 110° C. of 1300 J/kg·K or more, as measured according to ASTM E1269.91. The conduit according to claim 87 , wherein the first thermal insulation layer has a long term temperature withstand capability of >130° C.92. The conduit according to claim 87 , wherein the thermoplastic olefin is selected from the ...

Thermoplastic vulcanizate compositions and thermoplastic olefinic compositions as insulating layers in non-flexible pipes

In an embodiment is provided a composition having a thermal conductivity of less than 0.2 W/m-K, the composition including a rubber and a thermoplastic olefin. In another embodiment is provided an insulated high-temperature transport conduit that includes a continuous steel pipe comprising one or more pipe sections, wherein the steel pipe has an outer surface and an inner surface; and a first thermal insulation layer disposed over the outer surface of the steel pipe, wherein the first thermal insulation layer comprises a composition having a thermal conductivity of less than 0.2 W/m-K, the composition comprising a rubber and a thermoplastic olefin.

Method for inhibiting external corrosion on an insulated pipeline

A method for inhibiting external corrosion on an insulated pipeline (10) including a pipe (12) and a coating material (16) around the pipe (10) by positioning an alkaline material in the coating material (16).

Method for inhibiting external corrosion on an insulated pipeline

Method for inhibiting external corrosion on an insulated pipeline

A method for inhibiting external corrosion on an insulated pipeline (10) including a pipe (12) and a coating material (16) around the pipe (10) by positioning an alkaline material in the coating material (16).

Method for inhibiting corrosion under insulation on the exterior of a structure

A method for inhibiting external corrosion on an insulated pipeline (10) including a pipe insulation (12) positioned outside and around the pipe and a coating material (14) around the insulation by positioning a plurality of concentrated charges of alkaline material (30) in the insulation material.