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A kind of hydrophobically modified phosphate and its preparation method and application in fireproof putty

A hydrophobic modification and phosphate technology, applied in the direction of filling slurry, etc., can solve the problems of expensive raw materials and complicated processes, and achieve the effect of good cohesion, small particle size and excellent hydrophobic effect

Active Publication Date: 2021-02-12
江苏先进无机材料研究院 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in general, the above methods all have problems such as complicated process and expensive raw materials, and it is still necessary to develop a simpler and more effective method and technology for improving the water resistance of fire retardant coatings.

Method used

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  • A kind of hydrophobically modified phosphate and its preparation method and application in fireproof putty
  • A kind of hydrophobically modified phosphate and its preparation method and application in fireproof putty

Examples

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preparation example Construction

[0046] Preparation of finished fireproof putty. Specifically, in the state of stirring, slowly add the hydrophobically modified phosphate and the blended grinding material (grinding material) of powder raw materials into the liquid mixed material, stir evenly, and grind with a grinder or a three-roller machine to obtain Fireproof putty. The fineness of the obtained fireproof putty is less than 50 microns.

[0047] In the present disclosure, the fireproof putty has the characteristics of high viscosity and low fluidity, which depends on the synergistic effect of each component and its content. The fluidity of the fireproof putty is satisfactory: the fireproof putty is placed in a beaker, the beaker is tilted at 45°, and the fireproof putty has no flow or deformation.

[0048] In the present disclosure, the coating obtained by using the fireproof putty on the wood board has good water resistance and fire resistance, the water resistance time is greater than 48 hours, and the f...

Embodiment 1

[0051] (1) Phosphate Hydrophobic Modification

[0052] Weigh 5.0 grams of ammonium polyphosphate powder (1), place it in a mortar, weigh 1.0 grams of tetraethyl orthosilicate (2) at the same time, add (2) to (1) powder in 10 times, Add 0.1 g each time, and grind for 15 minutes after each drop, until all (2) is added and (1) powder is evenly dispersed without agglomeration. The particle size of the obtained powder is less than 50 microns. The obtained modified phosphate powder is denoted as A1;

[0053] (2) Blending and grinding of powder raw materials

[0054] Weigh 3.0 grams of melamine, 2.5 grams of dipentaerythritol, 1.0 grams of titanium dioxide powder, and 0.5 grams of nano-silicon oxide powder, and grind them in a mortar for 3 hours until the particle size of the powder is less than 50 microns. The resulting mixed powder is recorded as A2 ;

[0055] (3) Mixing of liquid materials

[0056] Take by weighing 8.0 grams of acrylic acid emulsion, 3.0 grams of water, 0.1 g...

Embodiment 2

[0061] (1) Phosphate Hydrophobic Modification

[0062] Weigh 6.0 grams of aluminum phosphate powder, place it in a mortar, weigh 0.5 grams of hexamethyldisiloxane (2) at the same time, add (2) to (1) powder in 10 times, each time 0.05 g, grind for 5 minutes after each dropwise addition, until all (2) is added and (1) powder is evenly dispersed without agglomeration. The particle size of the obtained powder is less than 30 microns. The obtained modified phosphate powder is denoted as A1;

[0063] (2) Blending and grinding of powder raw materials

[0064] Weigh 3.0 grams of melamine, 2.5 grams of pentaerythritol, and 1.0 grams of nano-titanium oxide powder, place them in a mortar and grind for 1 hour until the particle size of the powder is less than 30 microns, and the resulting mixed powder is recorded as A2;

[0065] (3) Mixing of liquid materials

[0066] Weigh 5.0 grams of vinyl acetate-ethylene copolymer emulsion, 2.0 grams of water, 0.05 grams of sodium dodecylbenzene...

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Abstract

The invention relates to a hydrophobically modified phosphate and its preparation method and application in fireproof putty. The hydrophobically modified phosphate is phosphate modified by neutral organosilane; the preparation method comprises: weighing the phosphate Place in a container, add neutral organosilane to phosphate 5 to 10 times dropwise, the amount added each time is 1 / 5 to 1 / 10 of the total weight of organosilane, blend and grind once after each drop, Finally, the hydrophobically modified phosphate is obtained.

Description

technical field [0001] The present invention relates to a preparation method of hydrophobically modified phosphate and a fireproof putty for wood board surface fireproof coating containing the hydrophobically modified phosphate and a preparation method thereof, in particular to a neutral organosilane hydrophobically modified phosphate and a The neutral organosilane hydrophobically modified phosphate fireproof putty, its preparation method and application in wood protection belong to the technical field of wood processing. Background technique [0002] Wood is a lignified tissue formed by plants capable of secondary growth. It is a precious wealth given to human beings by nature. It has an excellent and complex structure. It has been used as a traditional building and decoration material for thousands of years. As a green biomass resource, wood has many outstanding advantages, but also has many natural defects, such as easy to burn, easy to absorb water and expand, resulting ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/34
Inventor 高相东杨京南张彤彤
Owner 江苏先进无机材料研究院