Steel pipe epoxy anti-corrosion powder low-temperature curing coating for over-X80 grade oil and gas pipes

The invention discloses a steel pipe epoxy anti-corrosion powder low-temperature curing coating for over-X80 grade oil and gas pipes. The coating consists of the following raw materials in percentage by mass: 40 to 70 percent of epoxy group containing epoxy resin, 15 to 40 percent of novolac epoxy r...

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Bibliographische Detailangaben
Hauptverfasser:	WENG RENXIU, ZHANG PENGZHEN, SU YING, SUN JIAN, REN XUE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES BLASTING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ENGINEERING ELEMENTS AND UNITS FILLING PASTES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INKS JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PIPES POLISHES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL USE OF MATERIALS THEREFOR WEAPONS WOODSTAINS
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Beschreibung
Zusammenfassung:	The invention discloses a steel pipe epoxy anti-corrosion powder low-temperature curing coating for over-X80 grade oil and gas pipes. The coating consists of the following raw materials in percentage by mass: 40 to 70 percent of epoxy group containing epoxy resin, 15 to 40 percent of novolac epoxy resin, 0.01 to 5 percent of curing accelerator, 0.5 to 2.3 percent of flatting agent, 0.5 to 2.3 percent of defoamer, 0.1 to 5.5 percent of filling material, and 0.1 to 10 percent of pigment. The coating has the advantages of low curing temperature, simple formula, stable coating gloss, good mechanical property, strong adhesive force, good coating flexibility, high hardness, good anti-corrosion property, no influences on the yield ratio and weld seam strength of steel, energy conservation and noenvironmental pollution.