Protective film, tray assembly and coating composition

Plain-English summary

Problem

How can corrosion in underground pipelines and conduits be prevented?

Solution

protective film includes a film, and a coating layer disposed on the film.

Key novelty

The coating layer includes a binder, and beads disposed in the binder.

Applications

Underground pipeMetal conduitIndustrial line

Relevant search intents

coating

Claims preview

1 . A tray assembly comprising: a tray; and a plurality of coating layers disposed on the tray, wherein each of the plurality of coating layers includes: a binder; and a plurality of beads disposed in the binder, and the binder includes: a protrusion portion in contact with each of the beads; and a flat portion not in contact with the beads, wherein the plurality of beads are spaced apart from each other such that no two of the plurality of beads are in contact with each other on an outer surface of the binder, each of the plurality of coating layers are spaced apart from each other, the binder includes at least one of methyl methacrylate, butyl acrylate, and 2-hydroxyethyl methacrylate, and with respect to a total weight of the binder, the methyl methacrylate has a weight ratio of about 42 wt % to about 58 wt %, the butyl acrylate has a weight ratio of about 37 wt % to about 53 wt %, and the 2-hydroxyethyl methacrylate has a weight ratio of about 4 wt % to about 6 wt %. 2 . The tray assembly of claim 1 , wherein the plurality of beads form a pattern of unequally spaced rows and columns on the outer surface of the binder. 3 . A tray assembly comprising: a tray; and a plurality of coating layers disposed on the tray, wherein each of the plurality of coating layers includes: a binder; and a plurality of beads disposed in the binder, and the binder includes: a protrusion portion in contact with each of the beads; and a flat portion not in contact with the beads, wherein the plurality of beads are spaced apart from each other such that no two of the plurality of beads are in contact with each other on an outer surface of the binder, each of the plurality of coating layers are spaced apart from each other, and a weight ratio of the beads to the coating layer is about 9 wt % to about 11 wt %.

Linked approaches

Protective coatings

Barrier layers that isolate metal surfaces from corrosive environments.

Protective film, tray assembly and coating composition

Plain-English summary

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