A multilayer tubular structure (MLT) for transporting fluids for a motor vehicle, including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a single-layer and/or multilayer tube that has been intended for transporting fluids for a motor vehicle, the tube having a composition which predominantly includes at least one polyamide, at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide and optionally at least one impact modifier, and when the layer has a composition predominantly including at least one semi-crystalline aliphatic polyamide that is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the layer and the layer each having at least 90% of non-recycled material.

A multilayer tubular structure (MLT) for transporting fluids for a motor vehicle, including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a single-layer and/or multilayer tube that has been intended for transporting fluids for a motor vehicle, the tube having a composition which predominantly includes at least one polyamide, at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide and optionally at least one impact modifier, and when the layer has a composition predominantly including at least one semi-crystalline aliphatic polyamide that is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the layer and the layer each having at least 90% of non-recycled material.

A multilayer tubular structure for transporting fluids for a motor vehicle, the structure including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a single-layer and/or multilayer tube that has been intended for transporting fluids for a motor vehicle, the tube having a composition which predominantly includes at least one polyamide, at least one layer having a composition predominantly including at least semi-crystalline aliphatic polyamide and optionally at least one impact modifier, and when the layer has a composition predominantly including at least one semi-crystalline aliphatic polyamide that is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and at least one barrier layer, the layer and the barrier layer each having at least 90% of non-recycled material.

A multilayer tubular structure for transporting fluids for a motor vehicle, the structure including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a single-layer and/or multilayer tube that has been intended for transporting fluids for a motor vehicle, the tube having a composition which predominantly includes at least one polyamide, at least one layer having a composition predominantly including at least semi-crystalline aliphatic polyamide and optionally at least one impact modifier, and when the layer has a composition predominantly including at least one semi-crystalline aliphatic polyamide that is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and at least one barrier layer, the layer and the barrier layer each having at least 90% of non-recycled material.

Disclosed are compositions and methods of preparing ionic polyimides. Also disclosed are methods to tune the properties of the ionic polyimide by designing the components of the ionic polyimide. Additionally, disclosed herein is a composition comprising an ionic polyimide. Also disclosed herein is a composition comprising an ionic polyimide and an ionic liquid. The disclosed compositions can be utilized to capture gases.

Disclosed are compositions and methods of preparing ionic polyimides. Also disclosed are methods to tune the properties of the ionic polyimide by designing the components of the ionic polyimide. Additionally, disclosed herein is a composition comprising an ionic polyimide. Also disclosed herein is a composition comprising an ionic polyimide and an ionic liquid. The disclosed compositions can be utilized to capture gases.

An electrically peelable adhesive composition including: an acrylic polymer, in which the acrylic polymer is a product of reacting a mixture including a polar monomer including a hydroxyl group and a polar monomer including an alkoxy group; an ionic liquid including a cation, a first anion and a second anion, in which the first anion is an alkyl sulfonate and the second anion is a sulfonylimide; and a vinyl compound including nitrogen.

An electrically peelable adhesive composition including: an acrylic polymer, in which the acrylic polymer is a product of reacting a mixture including a polar monomer including a hydroxyl group and a polar monomer including an alkoxy group; an ionic liquid including a cation, a first anion and a second anion, in which the first anion is an alkyl sulfonate and the second anion is a sulfonylimide; and a vinyl compound including nitrogen.

The invention relates to the use of at least one catalyst, at least one copper heat stabiliser and at least one oligo- or poly-carbodiimide with a matrix including at least one polyamide, in order to form a composition that has a good melt viscosity and is stable during transformation, in particular during extrusion.

The invention relates to the use of at least one catalyst, at least one copper heat stabiliser and at least one oligo- or poly-carbodiimide with a matrix including at least one polyamide, in order to form a composition that has a good melt viscosity and is stable during transformation, in particular during extrusion.