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Silicon-series five-retardant and producing method thereof

A technology of silicon-based flame retardants and production methods, applied in the field of flame retardants, can solve the problems affecting product processing performance, physical and mechanical properties, and high cost, and achieve low production costs and long-lasting flame retardant effects

Active Publication Date: 2011-05-04
马顺发
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the existing flame retardants on the market are mainly divided into two types: inorganic and organic. Among them, although the price of inorganic flame retardants is low, it affects the processing performance and physical and mechanical properties of products; although organic flame retardants affect the processing performance of products It has little effect on physical properties, but its cost is high, and it generally contains toxic substances (such as halogens) that are harmful to the human body.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Put 20 kg of silicon dioxide into the reaction kettle and heat up to 120°C; then add 20 kg of zinc borate and 60 kg of magnesium oxide, and continue to heat up to 150°C-230°C; then add 5 kg of 120# gasoline within 3 minutes , 10 kilograms of dodecylbenzene, 1 kilogram of silane coupling agent (KH-550), 1 kilogram of dioctyl ester plasticizer and 3 kilograms of trisalt stabilizer (lead sulfate tribasic); After cooling, go out of the kettle and make Obtain the flame retardant of the present invention.

Embodiment 2

[0014] Put 20 kg of silicon dioxide into the reaction kettle and heat up to 150°C; then add 60 kg of zinc borate and 20 kg of magnesium oxide, and continue to heat up to 190°C; then add 6 kg of 200# gasoline and 11 kg of Dodecylbenzene, 1.5 kilograms of titanate coupling agent (CS-101), 2 kilograms of dibutyl ester plasticizers and 4 kilograms of di-salt stabilizers (lead dibasic phosphite); after cooling, go out of the kettle and make Obtain the flame retardant of the present invention.

Embodiment 3

[0016] Put 60 kg of silicon dioxide into the reaction kettle and heat up to 190°C; then add 20 kg of zinc borate and 20 kg of magnesium oxide, and continue to heat up to 230°C; then add 8 kg of 300# gasoline and 12 kg of Dodecylbenzene, 2 kilograms of aluminate coupling agents (H-2), 3 kilograms of dibutyl ester plasticizers and 5 kilograms of disalt stabilizers (dibasic lead phosphite); after cooling, go out of the kettle and make Obtain the flame retardant of the present invention.

[0017] During the production process, since various additives such as coupling agents, gasoline, dodecylbenzene, plasticizers and stabilizers volatilize or decompose at high temperatures, the main active ingredients of the finished product after testing are The contents of silicon dioxide, zinc borate and magnesium oxide are respectively 20-59%, 18-60% and 20-60%. The appearance is off-white powder, the particle size is above 320 mesh, the density is 1.9-1.95g / cm; the water content is not highe...

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Abstract

The present invention provides a kind of inorganic silicon fire retardant and its producing method, which won't affect the physical and mechanical performance of products and has a rather low price. The fire retarder of the present invention won't damage the physical and mechanical performance of polymer products. Besides it is innoxious, its fire retarding effect is lasting and its production cost is far lower than organ fire retarder.

Description

technical field [0001] The invention relates to a flame retardant, in particular to an inorganic silicon-based flame retardant used in the processing of mine flame-retardant conveyor belts or cable materials. Background technique [0002] Flame retardant is one of the most consumed additives in plastic processing, and it also has broad application prospects in synthetic fibers, rubber, coatings, etc. At present, the existing flame retardants on the market are mainly divided into two types: inorganic and organic. Among them, although the price of inorganic flame retardants is low, it affects the processing performance and physical and mechanical properties of products; although organic flame retardants affect the processing performance of products And physical properties have little effect, but its cost is high, and generally contains toxic substances (such as halogens) that are harmful to the human body. At present, hundreds of products of bromine, chlorine, phosphorus, bor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/54
Inventor 马顺发马睿智张雅琪马睿君康玉莹
Owner 马顺发