Heat insulation asphalt anticorrosive paint

A technology of anti-corrosion paint and asphalt, applied in anti-corrosion coatings, asphalt coatings, fire-retardant coatings, etc., can solve the problems of easy foaming and cracking cycle, no heat insulation, not aging resistance, etc., to achieve strong adhesion and time saving Labor saving and strong anti-friction effect

Inactive Publication Date: 2009-05-06
徐东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are many kinds of anticorrosive paints used in petroleum storage tanks and pre-buried pipelines in petrochemical and metallurgical industries, most of which do not have the function of heat insulation, and some have poor weather resistance, aging resistance, easy foaming and cracking, and Defects such as short cycle

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] First put 30 parts of polymethylene polyphenyl isocyanate (PAPl) 400# into the reactor with a pump, add 0.02 parts of phosphoric acid for emulsification, raise the temperature while feeding, add 5 parts of polyether, 30 parts of xylene and 5 parts of Epoxy resin E-44, heat and react at 80°C for 2.5 hours, then add 55 parts of coal tar pitch, 12 parts of toluene, 120 parts of thermal insulation materials composed of 65 parts of hollow glass fine powder and 90 parts of expanded perlite powder , 30 parts of xylene were put into the reaction kettle one after another, and the temperature was raised while stirring while feeding. When the temperature was raised to 110°C, it was kept warm for 2 hours and then drained. When using on site, it should be stirred evenly before spraying, brushing or rolling.

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PUM

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Abstract

The invention discloses a thermal insulation asphalt anticorrosion paint, which consists of isocyanate, polyether, an epoxy resin, phosphorous acid, coal tar pitch, methylbenzene, a thermal insulation material and a solvent, wherein the isocyanate is polymethylene polyphenyl isocyanate No.400, the solvent is dimethylbenzene, and the thermal insulation material consists of 50 to 80 portions of hollow glass fine powder and 80 to 100 portions of expanded perlite powder. The anticorrosion paint has the characteristics of thin coatings, low cost, time-saving and labor-saving coating, good thermal insulation performance, firm adhesion force, strong friction force resistance, resistance to chemical corrosion of acid, alkali and salt and so on.

Description

technical field [0001] The invention relates to an anti-corrosion paint, in particular to a heat-insulating asphalt anti-corrosion paint, which belongs to the category of polymer compounds. Background technique [0002] At present, there are many kinds of anticorrosive paints used in petroleum storage tanks and pre-buried pipelines in petrochemical and metallurgical industries, most of which do not have the function of heat insulation, and some have poor weather resistance, aging resistance, easy foaming and cracking, and Defects such as short cycle time. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a heat-insulating asphalt anti-corrosion paint by improving the formula. Large, acid, alkali, salt and other chemical corrosion. [0004] The technical solution of the present invention is: this heat-insulating asphalt anticorrosion paint is characterized by isocyanate, po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D5/08C09D5/18C09D163/00
Inventor 徐东
Owner 徐东
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