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Fireproof heat insulation coating and preparation method thereof

A heat-insulating coating and refractory fiber technology, applied in the field of coatings, can solve the problems of substrates and pipelines that are not suitable for different shapes, and achieve the effects of low density, easy operation, and simple preparation methods

Inactive Publication Date: 2019-08-09
MARINE CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, materials such as fireproof blankets and fireproof cotton were used in such parts, which are not suitable for substrates with different shapes, pipelines and other parts

Method used

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  • Fireproof heat insulation coating and preparation method thereof
  • Fireproof heat insulation coating and preparation method thereof
  • Fireproof heat insulation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Preparation method:

[0040] (1) Add 200g of E44 epoxy resin, 100g of hydroxyl-terminated polysiloxane, and 2g of KH560 into the reaction kettle under stirring, raise the temperature to 180°C, add 10g of dibutyltin dilaurate dropwise, and react for 2 hours. material to obtain silicone-modified epoxy resin.

[0041] (2) Preparation of surface-modified hollow glass microspheres: Wash 10 g of hollow microspheres three times with absolute ethanol, filter, place in a 5% ethanol solution of silane coupling agent KH560, stir at a low speed, and rotate at 100 ~200r / min, disperse for 3h and then filter.

[0042] (3) Preparation of component A: disperse the prepared 40g of silicone-modified epoxy resin and 5g of polyalcohol glycidyl ether in 14g of xylene under a high-speed mixer with a rotation speed of 600-700r / min, and after the dispersion is uniform, Add 6g of ammonium polyphosphate, 3g of melamine, 3g of pentaerythritol, and 5g of triethyl phosphate, and after dispersing e...

Embodiment 2

[0051] Preparation method:

[0052] (1) Add 100g of E51 epoxy resin, 10g of hydroxyl-terminated polysiloxane, and 5g of KH570 into the reaction kettle under stirring, raise the temperature to 200°C, add 1g of dibutyltin dilaurate dropwise, and react for 4 hours. material to obtain silicone-modified epoxy resin.

[0053] (2) Preparation of surface-modified hollow glass microspheres: 15 g of hollow microspheres were washed 3 times with absolute ethanol, filtered, placed in an ethanol solution of 5% silane coupling agent KH560, stirred at a low speed, and rotated at 100 ~200r / min, disperse for 3h and then filter.

[0054] (3) Preparation of component A: disperse the prepared 15g of silicone modified epoxy resin and 5g of n-butyl glycidyl ether in 20g of xylene under a high-speed mixer with a rotation speed of 600-700r / min, and wait for the dispersion to be uniform , add 9g of ammonium polyphosphate, 6g of melamine phosphate, 5g of melamine, 5g of pentaerythritol, and 5g of trii...

Embodiment 3

[0064] Preparation method:

[0065] (1) Add 100g of E51 epoxy resin, 10g of hydroxyl-terminated polysiloxane HPDMS, and 5g of KH560 into the reaction kettle under stirring, raise the temperature to 200°C, add 1g of dibutyltin dilaurate dropwise, and react for 4 hours. Discharging obtains modified epoxy resin.

[0066] (2) Preparation of surface-modified hollow glass microspheres: 15 g of hollow microspheres were washed 3 times with absolute ethanol, filtered, placed in an ethanol solution of 5% silane coupling agent KH560, stirred at a low speed, and rotated at 100 ~200r / min, disperse for 3h and then filter.

[0067] (3) Preparation of component A: Disperse 50g of the prepared silicone-modified epoxy resin in 23g of xylene under a high-speed mixer with a rotation speed of 600-700r / min. After the dispersion is uniform, add 2g of trimethylolpropane Triacrylate, 1g magnesium hydroxide, 2g ammonium octamolybdate, after uniform dispersion, use a three-roll mill to grind to a fine...

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Abstract

The invention discloses a fireproof heat insulation coating and a preparation method thereof. The fireproof heat insulation coating comprises: components A (weight percentage): 15-50% of organic silicon modified epoxy resin, 0-5% of a reactive diluent, 0-15% of a catalyst, 0-5% of a char forming agent, 0-5% of a foaming agent, 5-25% of surface-modified hollow glass microspheres, 1-15% of a flame retardant, 1-10% of refractory fibers, 1-5% of an auxiliary agent and 10-30% of an organic solvent; components B (weight percentage): 40-70% of a curing agent, 0-30% of titanium dioxide, 1-5% of an auxiliary agent, 1-10% of refractory fibers and 0-30% of an organic solvent, wherein the weight ratio of the components A to the components B is (1-6) to 1. The fireproof heat insulation coating has a fireproof function, a heat-insulating function and heat resistance, meanwhile has lower density, has better adhesion power with various base materials, has good matching property with various primer andfinish paints, has interlayer adhesion power, and is resistant to various types of solvent oils and organic solvents.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a fire-proof and heat-insulating coating and a preparation method thereof. Background technique [0002] Fire-resistant coatings used in aircraft, ships, and petrochemical industries have huge fire risks, especially the risks of hydrocarbon fires and explosions, due to the use of fuel oil, kerosene, and liquefied gas as power, or for fuel transportation. Fire retardant coatings typically used in such environments require resistance to hydrocarbon fires. [0003] At the same time, it is applied to oil transportation pipelines, ship bulkheads, etc., which puts forward additional heat preservation and heat insulation requirements for materials, and requires materials to have a low thermal conductivity. In addition, some special parts also require heat resistance of the material. Based on the requirements of the above use parts, a fireproof coating that takes into account hydroc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/06C09D4/02C09D5/18C09D7/62C09D7/61C09D7/63C08G59/62
CPCC08G59/62C09D4/06C09D5/185C09D7/61C09D7/62C09D7/63C09D7/70
Inventor 李志士王华进赵薇姜清淮王明强
Owner MARINE CHEM RES INST
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