Provided is a sealing material having abrasion resistance usable for even construction machinery operated under severe conditions while keeping mechanical strength thereof. The sealing material includes a fluorinated resin composition containing the following materials (1) and (2), and further containing the following material (3) or (4). The materials are: (1) fluorinated resin, (2) bronze, (3) tricobalt tetraoxide, (4) a composite metal oxide containing cobalt and aluminum, and further containing at least one of metals selected from the group of chromium, titanium, magnesium, calcium, and lithium. Preferably, the fluorinated resin is polytetrafluoroethylene. Further, the sealing material is usable for construction machinery.

Provided is a sealing material having abrasion resistance usable for even construction machinery operated under severe conditions while keeping mechanical strength thereof. The sealing material includes a fluorinated resin composition containing the following materials (1) and (2), and further containing the following material (3) or (4). The materials are: (1) fluorinated resin, (2) bronze, (3) tricobalt tetraoxide, (4) a composite metal oxide containing cobalt and aluminum, and further containing at least one of metals selected from the group of chromium, titanium, magnesium, calcium, and lithium. Preferably, the fluorinated resin is polytetrafluoroethylene. Further, the sealing material is usable for construction machinery.

An insulated electrically conductive element, including at least one inner electrically conductive element and at least one outer insulating element, and to a method for producing such an insulated electrically conductive element.

Embodiments of the present disclosure are directed to an adhesive layer, bearing including the adhesive layer, and methods of forming. The adhesive layer can include a mixture of a first polymer, a second polymer, and a third polymer, wherein the second polymer includes ethylene tetrafluoroethylene, and the third polymer includes a modified ethylene tetrafluoroethylene, ethylene tetrafluoroethylene hexafluoropropylene, or a combination thereof. In a particular embodiment, the first polymer can include an aromatic polymer. In another embodiment, the adhesive layer can have a tensile stress in an extrusion direction of at least 30 MPa.

Embodiments of the present disclosure are directed to an adhesive layer, bearing including the adhesive layer, and methods of forming. The adhesive layer can include a mixture of a first polymer, a second polymer, and a third polymer, wherein the second polymer includes ethylene tetrafluoroethylene, and the third polymer includes a modified ethylene tetrafluoroethylene, ethylene tetrafluoroethylene hexafluoropropylene, or a combination thereof. In a particular embodiment, the first polymer can include an aromatic polymer. In another embodiment, the adhesive layer can have a tensile stress in an extrusion direction of at least 30 MPa.

Embodiments of the present disclosure are directed to an adhesive layer, bearing including the adhesive layer, and methods of forming. The adhesive layer can include a mixture of a first polymer, a second polymer, and a third polymer, wherein the second polymer includes ethylene tetrafluoroethylene, and the third polymer includes a modified ethylene tetrafluoroethylene, ethylene tetrafluoroethylene hexafluoropropylene, or a combination thereof. In a particular embodiment, the first polymer can include an aromatic polymer. In another embodiment, the adhesive layer can have a tensile stress in an extrusion direction of at least 30 MPa.

The present disclosure relates to a method of treating a substrate comprising an elastomeric material, wherein the method comprises the steps of: a) providing a composition comprising: i. at least one fluoropolymer which is a copolymer comprising at least 90% by weight, based on the total weight of the copolymer, of units derived from tetrafluoroethene (TFE) and from one or more perfluorinated alkyl ethers corresponding to the general formula (I): R.sub.f1—O—(CF.sub.2).sub.n-CF═CF.sub.2 (I) wherein n is 1 or 0 and R.sub.f1 represents a perfluoroalkyl residue which is optionally interrupted once or more than once by an oxygen atom; and ii. at least one solvent comprising a linear, cyclic or branched, partially fluorinated (poly)ether; b) contacting at least part of the substrate with the composition of step a); c) at least partially removing the at least one solvent; and d) optionally, when the fluoropolymer is curable, subjecting the fluoropolymer to curing, wherein the curing step may be carried out simultaneously with or after step c).

The present disclosure relates to a method of treating a substrate comprising an elastomeric material, wherein the method comprises the steps of: a) providing a composition comprising: i. at least one fluoropolymer which is a copolymer comprising at least 90% by weight, based on the total weight of the copolymer, of units derived from tetrafluoroethene (TFE) and from one or more perfluorinated alkyl ethers corresponding to the general formula (I): R.sub.f1—O—(CF.sub.2).sub.n-CF═CF.sub.2 (I) wherein n is 1 or 0 and R.sub.f1 represents a perfluoroalkyl residue which is optionally interrupted once or more than once by an oxygen atom; and ii. at least one solvent comprising a linear, cyclic or branched, partially fluorinated (poly)ether; b) contacting at least part of the substrate with the composition of step a); c) at least partially removing the at least one solvent; and d) optionally, when the fluoropolymer is curable, subjecting the fluoropolymer to curing, wherein the curing step may be carried out simultaneously with or after step c).

The present disclosure relates to a method of treating a substrate comprising an elastomeric material, wherein the method comprises the steps of: a) providing a composition comprising: i. at least one fluoropolymer which is a copolymer comprising at least 90% by weight, based on the total weight of the copolymer, of units derived from tetrafluoroethene (TFE) and from one or more perfluorinated alkyl ethers corresponding to the general formula (I): R.sub.f1—O—(CF.sub.2).sub.n-CF═CF.sub.2 (I) wherein n is 1 or 0 and R.sub.f1 represents a perfluoroalkyl residue which is optionally interrupted once or more than once by an oxygen atom; and ii. at least one solvent comprising a linear, cyclic or branched, partially fluorinated (poly)ether; b) contacting at least part of the substrate with the composition of step a); c) at least partially removing the at least one solvent; and d) optionally, when the fluoropolymer is curable, subjecting the fluoropolymer to curing, wherein the curing step may be carried out simultaneously with or after step c).

Pressure sensitive macromolecular adhesive polymers and compositions capable of integrating fluoropolymeric properties with a catechol-amine functionality to form an adhesive system that allows bonding between metallic substrates and fluoropolymers are disclosed. Also disclosed are core-shell polymeric particles comprised of a core and a shell comprising a thermoplastic polydopamine polymer that may be prepared as a colloidal suspension and used as a hot-melt pressure sensitive adhesive capable of binding low surface energy materials, such as polyolefins and fluoropolymers, to diverse materials including metals.