Solvent-free expansion type fire-proof epoxy coating and its preparation method
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A fire retardant coating, intumescent technology, used in fire retardant coatings, epoxy resin coatings, carboxyl rubber coatings, etc., to achieve high effective crosslinking density, fast curing speed, chemical resistance and good physical and mechanical properties.
Active Publication Date: 2009-05-13
MARINE CHEM RES INST CO LTD
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Problems solved by technology
[0006] Conventional fire protection coatings designed for cellulosic fires are only about 60% as effective in hydrocarbon fire experiments as they are in hydrocarbon fires
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Embodiment 1
[0074] Component A: 21 parts of epoxy resin E-51, 7.5 parts of bisphenol F epoxy resin, 5.5 parts of hydrogenated castor oil, 4 parts of butanediol diglycidyl ether, 8.5 parts of ammonium polyphosphate, 13.2 parts of pentaerythritol , 5.6 parts of chlorinated paraffin, 18 parts of calcium silicate, 10 parts of boron oxide, 3 parts of titanium dioxide, 15.3 parts of aluminum hydroxide, 2 parts of additives;
[0075] Component B: 18 parts of polyamide resin, 17.5 parts of calcium carbonate, 8 parts of magnesium hydroxide, 3 parts of hydrogenated castor oil;
[0076] A and B components are mixed in a ratio of 2.4:1.
Embodiment 2
[0078] Component A: take 28 parts of epoxy resin E-54, 9.5 parts of amino resin, 3.2 parts of epoxy soybean oil, 10.5 parts of polypropylene glycol, 8.5 parts of ammonium polyphosphate, 13.5 parts of pentaerythritol, 10.4 parts of diammonium hydrogen phosphate, and 7.5 parts of calcium silicate , 8.5 parts of potassium borate, 2 parts of titanium dioxide, 30.5 parts of aluminum oxide, 2 auxiliary agents;
[0079] Component B: 20 parts of polyamide resin, 15 parts of diatomaceous earth, 3 parts of hydrogenated castor oil;
[0080] A and B components are mixed in a ratio of 3.5:1.
Embodiment 3
[0082] Component A: take 26 parts of epoxy resin E-51, 9.9 parts of acrylic resin, 10.5 parts of polypropylene glycol, 14.5 parts of ammonium polyphosphate, 8.5 parts of pentaerythritol, 8 parts of melamine, 11 parts of diammonium hydrogen phosphate, and 7 parts of butyl borate 17 parts of calcium carbonate, 1.6 parts of titanium dioxide, 20 parts of aluminum hydroxide, 3 parts of additives;
[0083] Component B: 20 parts of polyamide resin, 11 parts of magnesium hydroxide, 3.6 parts of alkylphenol, additive 1;
[0084]A and B components are mixed in a ratio of 3.8:1.
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Abstract
The intumescent fireproof coating disclosed by the present invention is composed of two components A and B. The component A uses epoxy resin as the main film-forming substance, and is added with modified resin, catalyst, char-forming agent, foaming agent, flame retardant, Flux, pigments and fillers, smoke inhibitors, component B is composed of pigments and fillers, curing agent, auxiliary agent; the epoxy resin is selected from bisphenol A type epoxy resin, bisphenol F type epoxy resin, TDE- 85 epoxy resin, hydantoin epoxy resin, etc.; the modified resin is selected from polyurethane, furan resin, amino resin, bisphenol F resin, etc.; the dosage ratio of components A and B is 2-4:1. The fireproof coating has good fireproof and heat insulation performance, good adhesion, high strength, and can withstand the influence of high and low temperature cycles. The coating has good water resistance, acid and alkali resistance, salt corrosion resistance, excellent flexibility, and is not easy to fall off. Stable storage, convenient construction, etc., suitable for indoor and outdoor steel, aluminum, etc., especially suitable for fire prevention occasions in offshore oil platforms, oil fields, refineries and petrochemical plants.
Description
technical field [0001] The invention relates to an intumescent fire-proof coating, which is suitable for indoor and outdoor steel, aluminum and other materials from cellulose and hydrocarbon flames, fire spray and explosion, and maintains the efficacy of materials within a certain period of time. Compared with traditional intumescent fireproof coatings, the present invention is more suitable for offshore oil platforms, oil fields, oil refineries and petrochemical plants, etc. Background technique [0002] In terms of fire prevention mechanism, fire retardant coatings are generally divided into two types: intumescent and non-intumescent. When the non-expansive fire retardant coating is exposed to fire, the coating basically does not change in volume, and the thermal conductivity of the coating is low, which delays the speed of heat transfer to the protected substrate. The fire retardant coating itself is non-combustible, which acts as a barrier to the substrate and prevents ...
Claims
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Application Information
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