Water-based intumescent fire-retardant coating for timber structure and preparation method of coating
A kind of technology of fireproof coating and expansion type, applied in the direction of fireproof coating, epoxy resin coating, coating, etc., can solve the problems of easy to become brittle, poor heat resistance, easy to stick back, etc., and achieve good fireproof performance and excellent physical and chemical properties Effect
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[0030] This embodiment provides a water-based intumescent fireproof coating for wood structures, including two components, A and B, which are mixed in a ratio of 4:1.3 in parts by weight; A and B include the following components in parts by weight:
[0031] Component A comprises the following components in parts by weight:
[0032] 25 parts of silicon-acrylic emulsion, 30 parts of ammonium polyphosphate, 8 parts of pentaerythritol, 1 part of melamine, 4 parts of titanium dioxide, 1.6 parts of film-forming aid, 0.8 parts of hydrophobic modified sodium carboxylic acid salt, 1.2 parts of silicon-based polymerizing agent;
[0033] The second component comprises the following components in parts by weight:
[0034] 55 parts of composite emulsion, 12 parts of sorbitol, 18 parts of aluminum hydroxide, 4 parts of layered double hydroxide, 8 parts of filler, 8 parts of antimony trioxide, 3 parts of film-forming aid, 4 parts of diatomaceous earth, disinfectant 0.8 parts of foaming agen...
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