SLIDE BEARING COMPRISING A PRIMER SYSTEM AS ADHESION PROMOTER

摘要

A slide bearing can include a metal support, a primer layer, an adhesive layer applied directly thereto, and a sliding layer applied to the adhesive layer. The primer layer can include an oligomeric condensate of at least one silanol selected from the group having the formula:;wherein x is 1 or 2, y is 0 or 1.

The moieties R1 and R2 can be the same or different. The moieties R1 and R2 can be selected from the group consisting of methyl, ethyl, n-propyl, i-propyl, and a functionalized alkyl group R′—(CH2)z—, wherein z is at least 1. Slide bearings comprising a primer system based on silanol oligomeric condensates show improved peel strength than their analogous slide bearings lacking the primer system.

主权项

1. A slide bearing comprising,
a metal support; a primer layer, wherein the primer layer comprises an oligomeric condensate of at least one silanol selected from the group having the formula wherein x is 1 or 2, y is 0 or 1,wherein R1 and R2 are the same or different and are selected from the group consisting of methyl, ethyl, n-propyl, i-propyl, and a functionalized alkyl group R′—(CH2)z—, wherein z is at least 1; an adhesive layer applied directly to the primer layer, wherein the adhesive layer is selected from the group consisting of perfluoroalkoxyethylene (PFA), tetrafluoroethylene-perfluoro(methyl vinyl ether) copolymer (MFA), ethylene tetrafluoroethylene (ETFE), tetrafluoroethylene-hexafluoropropylene (FEP), and any combination thereof; and a sliding layer.