CN112159668A - Environment-friendly composite antimony trioxide flame retardant and preparation method thereof - Google Patents
Environment-friendly composite antimony trioxide flame retardant and preparation method thereof Download PDFInfo
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- CN112159668A CN112159668A CN202010847817.8A CN202010847817A CN112159668A CN 112159668 A CN112159668 A CN 112159668A CN 202010847817 A CN202010847817 A CN 202010847817A CN 112159668 A CN112159668 A CN 112159668A
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Abstract
The invention relates to an environment-friendly composite antimony trioxide flame retardant which comprises, by mass, 1-5% of modified antimony trioxide, 50-80% of red phosphorus, 10-15% of magnesium hydroxide, 10-15% of aluminum hydroxide, 5-10% of copper oxide and 1-5% of an auxiliary agent. The environment-friendly composite type antimony trioxide flame retardant disclosed by the invention adopts modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide as main materials, and copper oxide, filling powder and organic silicone as auxiliary materials, so that the environment-friendly composite type antimony trioxide flame retardant has excellent flame retardant effect and physical properties, has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and reduces the generation of smoke dust and toxic fog and environmental harm when the environment-friendly composite type antimony trioxide flame retardant is flame retardant.
Description
Technical Field
The application relates to the technical field of flame retardants, in particular to an environment-friendly composite antimony trioxide flame retardant and a preparation method thereof.
Background
Antimony trioxide is a typical additive inorganic flame retardant, and the flame retardant mechanism is that antimony trioxide is heated and firstly melted at the initial stage of combustion to form a protective film on the surface of a material to isolate air, the combustion temperature is reduced through internal endothermic reaction, and the antimony trioxide is oxidized at a high temperature to dilute the oxygen concentration in the air, so that the flame retardant effect is achieved. However, when antimony trioxide is combined with other materials, the antimony trioxide has an interface difference with other materials, so that the compatibility of antimony trioxide with other materials is poor, and the mechanical properties of the material are reduced. And the antimony trioxide is mainly used in combination with the halogen flame retardant, so that a large amount of smoke and toxic and corrosive gas are generated during combustion of the halogen flame retardant, and the human health and the environmental safety are harmed.
Disclosure of Invention
Therefore, it is necessary to provide an environment-friendly composite antimony trioxide flame retardant in order to solve the technical problems of the existing antimony trioxide flame retardants, and the invention also discloses a preparation method of the environment-friendly composite antimony trioxide flame retardant.
An environment-friendly composite antimony trioxide flame retardant comprises the following components in percentage by mass:
1 to 5 percent of modified antimony trioxide;
50% -80% of red phosphorus;
10 to 15 percent of magnesium hydroxide;
10 to 15 percent of aluminum hydroxide;
5% -10% of copper oxide;
1 to 5 percent of auxiliary agent.
In one embodiment, the environment-friendly composite antimony trioxide flame retardant comprises the following components in percentage by mass:
2 to 4 percent of modified antimony trioxide;
60% -70% of red phosphorus;
11 to 14 percent of magnesium hydroxide;
11 to 14 percent of aluminum hydroxide;
6 to 9 percent of copper oxide;
2 to 4 percent of auxiliary agent.
In one embodiment, the environment-friendly composite antimony trioxide flame retardant comprises the following components in percentage by mass:
2 to 4 percent of modified antimony trioxide;
60% -70% of red phosphorus;
12% of magnesium hydroxide;
12% of aluminum hydroxide;
8% of copper oxide;
3 percent of auxiliary agent.
In one embodiment, the auxiliary agent is 1.5% of filling powder and 1.5% of organic silicone by mass percent.
A method for preparing an environment-friendly composite antimony trioxide flame retardant comprises the following steps:
the method comprises the following steps: adding deionized water into a solution tank, and heating the deionized water to a preset temperature by the solution tank;
step two: placing antimony trioxide in a solution tank, and stirring deionized water and the antimony trioxide by a magnetic stirrer for a preset time;
step three: after the stirring of the magnetic stirrer is finished, adding sodium stearate into the solution tank, stirring the solution by the magnetic stirrer for a preset time, filtering the liquid in the solution tank, and taking out the modified antimony trioxide;
step four: adding 1-5% of modified antimony trioxide, 50-80% of red phosphorus, 10-15% of magnesium hydroxide, 10-15% of aluminum hydroxide, 5-10% of copper oxide and 1-5% of auxiliaries in percentage by mass into a mixing tank, and uniformly stirring to obtain a mixed raw material;
step five: putting the mixed raw materials into a screw extrusion device, and mixing and extruding the mixed raw materials by the screw extrusion device;
step six: and (4) taking the extruded mixed raw materials for cooling, drying and granulating to complete the preparation work of the environment-friendly composite antimony trioxide flame retardant.
In one embodiment, in the first step, the solution tank heats the deionized water to a temperature between 50 ℃ and 80 ℃.
In one embodiment, in the second step, the antimony trioxide is placed in a solution tank, and a magnetic stirrer is used for stirring the deionized water and the antimony trioxide for 1 minute to 2 minutes.
In one embodiment, in the third step, after the magnetic stirrer finishes stirring, adding sodium stearate into the solution tank, stirring for 2 to 4 minutes by the magnetic stirrer, filtering the solution in the solution tank, and taking out the modified antimony trioxide;
in one embodiment, in the fourth step, 2 to 4 mass percent of modified antimony trioxide, 60 to 70 mass percent of red phosphorus, 11 to 14 mass percent of magnesium hydroxide, 11 to 14 mass percent of aluminum hydroxide, 6 to 9 mass percent of copper oxide and 2 to 4 mass percent of an auxiliary agent are added into a mixing tank and stirred uniformly to prepare the mixed raw material.
In one embodiment, in the fourth step, 2 to 4 mass percent of modified antimony trioxide, 60 to 70 mass percent of red phosphorus, 12 mass percent of magnesium hydroxide, 12 mass percent of aluminum hydroxide, 8 mass percent of copper oxide and 3 mass percent of auxiliary agent are added into a mixing tank and stirred uniformly to prepare the mixed raw material.
According to the environment-friendly composite type antimony trioxide flame retardant, modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide are used as main materials, copper oxide, filling powder and organic silicone are used as auxiliary materials, so that the environment-friendly composite type antimony trioxide flame retardant has excellent flame retardant effect and physical performance, the environment-friendly composite type antimony trioxide flame retardant has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and when the environment-friendly composite type antimony trioxide flame retardant is flame retardant, smoke dust and toxic fog are reduced, and environmental hazards are reduced. The preparation method of the environment-friendly composite type antimony trioxide flame retardant has the advantages that the preparation process is quick and simple, more and complex equipment is not needed, workers can operate on duty without complex training, the production cost of enterprises is reduced, the production efficiency of the enterprises is improved, and the large-scale popularization of the environment-friendly composite type antimony trioxide flame retardant is facilitated.
Detailed Description
To facilitate an understanding of the present application, the present invention will be described more fully below. The detailed description sets forth preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. This invention can be embodied in many different forms than those herein described and many modifications may be made by those skilled in the art without departing from the spirit of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment of the invention, the environment-friendly composite antimony trioxide flame retardant comprises, by mass, 1-5% of modified antimony trioxide, 50-80% of red phosphorus, 10-15% of magnesium hydroxide, 10-15% of aluminum hydroxide, 5-10% of copper oxide and 1-5% of an auxiliary agent. The modified antimony trioxide is adopted, the surface characteristics of the antimony trioxide are changed, the interface difference between the antimony trioxide and red phosphorus, magnesium hydroxide, aluminum hydroxide, copper oxide and an auxiliary agent is eliminated, the compatibility between the antimony trioxide and the red phosphorus, the magnesium hydroxide, the aluminum hydroxide, the copper oxide and the auxiliary agent is excellent, and the environment-friendly composite antimony trioxide flame retardant disclosed by the invention is excellent in mechanical property. The red phosphorus is a flame retardant with excellent performance, and has the flame retardant effects of high efficiency, smoke suppression and low toxicity. However, red phosphorus is easily oxidized and hydrolyzed in the air and releases toxic gas phosphine, dust is easy to explode, and red phosphorus has poor compatibility with other materials and is not easy to disperse uniformly, so that the physical properties of the red phosphorus composite material are reduced. The invention inhibits the oxidation speed of red phosphorus by magnesium hydroxide and aluminum hydroxide, the copper oxide can capture toxic gas phosphine, thereby solving the toxicity problem of red phosphorus, and the auxiliary agent can reduce the dust of red phosphorus, thereby leading the red phosphorus to have the characteristics of low smoke, low toxicity, no halogen, excellent compatibility and excellent physical property. The magnesium hydroxide and the aluminum hydroxide belong to additive inorganic flame retardants, have excellent smoke suppression effect, and neutralize acidic and corrosive substances generated in the combustion process. Magnesium hydroxide and aluminum hydroxide suppress the oxidation rate of red phosphorus. The magnesium hydroxide, the aluminum hydroxide and the modified antimony trioxide are cooperatively matched, so that the flame retardant efficiency of the environment-friendly composite antimony trioxide flame retardant can be effectively improved, and the consumption of the environment-friendly composite antimony trioxide flame retardant and the molten drop phenomenon generated during combustion are reduced. The auxiliary agent is 1.5 percent of filling powder and 1.5 percent of organic silicone by mass percent. The filler powder is talcum powder, and the environment-friendly composite antimony trioxide flame retardant is properly added with the filler powder, so that the manufacturing cost of the environment-friendly composite antimony trioxide flame retardant is reduced, the surface performance of the environment-friendly composite antimony trioxide flame retardant is improved, and the environment-friendly composite antimony trioxide flame retardant has excellent physical properties. The organic silicone has the advantages of stable chemical properties, strong hydrophobicity, insolubility in water and solubility in nonpolar solvents such as gasoline, toluene and the like, improves the flame retardant property of the environment-friendly composite antimony trioxide flame retardant, reduces the smoke density and improves the physical property of the environment-friendly composite antimony trioxide flame retardant; also, the organosilicone reduces dust generated from red phosphorus. The environment-friendly composite antimony trioxide flame retardant disclosed by the invention adopts modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide as main materials, and copper oxide, filling powder and organic silicone as auxiliary materials, so that the environment-friendly composite antimony trioxide flame retardant has excellent flame retardant effect and physical property and strong processability; the environment-friendly composite antimony trioxide flame retardant has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and reduces the generation of smoke dust and toxic fog and the environmental hazard when the environment-friendly composite antimony trioxide flame retardant is flame-retardant.
The invention also discloses a preparation method of the environment-friendly composite antimony trioxide flame retardant, which comprises the following steps:
the method comprises the following steps: adding deionized water into a solution tank, and heating the deionized water in the solution tank to 50-80 ℃.
Step two: putting the antimony trioxide into a solution tank, and stirring the deionized water and the antimony trioxide for 1 to 2 minutes by a magnetic stirrer. The surface of the antimony trioxide is cleaned by the deionized water, so that the condition that the subsequent antimony trioxide modification fails due to the existence of foreign matters or oil stains on the surface of the antimony trioxide is prevented, and the excellent quality of the environment-friendly composite antimony trioxide flame retardant is ensured.
Step three: and after the magnetic stirrer finishes stirring, adding sodium stearate into the solution tank, stirring for 2 to 4 minutes by the magnetic stirrer, filtering the liquid in the solution tank, and taking out the modified antimony trioxide. The magnetic stirrer is used for stirring, so that the reaction between the sodium stearate and the antimony trioxide is accelerated, the modification time of the antimony trioxide is shortened, and the production efficiency of the environment-friendly composite antimony trioxide flame retardant is accelerated. Moreover, the stirring time of the magnetic stirrer is not longer than long, and the longer or shorter stirring time easily causes the continuous difference of the interfaces between the antimony trioxide and the red phosphorus, the magnesium hydroxide, the aluminum hydroxide, the copper oxide and the auxiliary agent, so that the poor compatibility between the antimony trioxide and the red phosphorus, the magnesium hydroxide, the aluminum hydroxide, the copper oxide and the auxiliary agent is caused, and the quality of the environment-friendly composite antimony trioxide flame retardant is influenced; therefore, a magnetic stirrer is most suitable for stirring for 2 to 4 minutes. In addition, the surface characteristics of the antimony trioxide are changed by the sodium stearate, the interface difference between the antimony trioxide and the red phosphorus, the magnesium hydroxide, the aluminum hydroxide, the copper oxide and the auxiliary agent is eliminated, the compatibility between the antimony trioxide and the red phosphorus, the magnesium hydroxide, the aluminum hydroxide, the copper oxide and the auxiliary agent is excellent, and the environment-friendly composite antimony trioxide flame retardant disclosed by the invention is excellent in mechanical property.
Step four: adding 1-5% of modified antimony trioxide, 50-80% of red phosphorus, 10-15% of magnesium hydroxide, 10-15% of aluminum hydroxide, 5-10% of copper oxide and 1-5% of auxiliary agent in percentage by mass into a mixing tank, and uniformly stirring to obtain a mixed raw material. Modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide are used as main materials, and copper oxide, filling powder and organic silicone are used as auxiliary materials, so that the environment-friendly composite antimony trioxide flame retardant has excellent flame retardant effect and physical property and strong processability; the environment-friendly composite antimony trioxide flame retardant has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and reduces the generation of smoke dust and toxic fog and the environmental hazard when the environment-friendly composite antimony trioxide flame retardant is flame-retardant.
Step five: and (3) putting the mixed raw materials into a screw extrusion device, and mixing and extruding the mixed raw materials by the screw extrusion device.
Step six: and (4) taking the extruded mixed raw materials for cooling, drying and granulating to complete the preparation work of the environment-friendly composite antimony trioxide flame retardant.
The preparation method of the environment-friendly composite type antimony trioxide flame retardant has the advantages that the preparation process is quick and simple, more and complex equipment is not needed, workers can operate on duty without complex training, the production cost of enterprises is reduced, the production efficiency of the enterprises is improved, and the large-scale popularization of the environment-friendly composite type antimony trioxide flame retardant is facilitated.
Example one
In the first embodiment of the invention, the environment-friendly composite antimony trioxide flame retardant comprises, by mass, 1% of modified antimony trioxide, 50% of red phosphorus, 10% of magnesium hydroxide, 10% of aluminum hydroxide, 5% of copper oxide and 1% of an auxiliary agent. The environment-friendly composite type antimony trioxide flame retardant disclosed by the invention adopts modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide as main materials, and copper oxide, filling powder and organic silicone as auxiliary materials, so that the environment-friendly composite type antimony trioxide flame retardant has excellent flame retardant effect and physical properties, has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and reduces the generation of smoke dust and toxic fog and environmental harm when the environment-friendly composite type antimony trioxide flame retardant is flame retardant.
Example two
In the first embodiment of the invention, the environment-friendly composite antimony trioxide flame retardant is prepared by mixing 2 mass percent of modified antimony trioxide, 60 mass percent of red phosphorus, 11 mass percent of magnesium hydroxide, 11 mass percent of aluminum hydroxide, 6 mass percent of copper oxide, 1.5 mass percent of filling powder and 1.5 mass percent of organic silicone. The environment-friendly composite type antimony trioxide flame retardant of the embodiment adopts modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide as main materials, and copper oxide, filling powder and organic silicone as auxiliary materials, so that the environment-friendly composite type antimony trioxide flame retardant has excellent flame retardant effect and physical properties, has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and reduces the generation of smoke dust and toxic fog and environmental harm when the environment-friendly composite type antimony trioxide flame retardant is flame retardant.
EXAMPLE III
In the second embodiment of the invention, the environment-friendly composite antimony trioxide flame retardant is prepared by mixing 3% of modified antimony trioxide, 65% of red phosphorus, 12% of magnesium hydroxide, 12% of aluminum hydroxide, 6% of copper oxide, 1.5% of filling powder and 1.5% of organic silicone in percentage by mass. The environment-friendly composite type antimony trioxide flame retardant of the embodiment adopts modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide as main materials, and copper oxide, filling powder and organic silicone as auxiliary materials, so that the environment-friendly composite type antimony trioxide flame retardant has excellent flame retardant effect and physical properties, has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and reduces the generation of smoke dust and toxic fog and environmental harm when the environment-friendly composite type antimony trioxide flame retardant is flame retardant.
Example four
In the second embodiment of the invention, the environment-friendly composite antimony trioxide flame retardant is prepared by mixing 4 mass percent of modified antimony trioxide, 70 mass percent of red phosphorus, 12 mass percent of magnesium hydroxide, 12 mass percent of aluminum hydroxide, 6 mass percent of copper oxide, 1.5 mass percent of filling powder and 1.5 mass percent of organic silicone. The environment-friendly composite type antimony trioxide flame retardant of the embodiment adopts modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide as main materials, and copper oxide, filling powder and organic silicone as auxiliary materials, so that the environment-friendly composite type antimony trioxide flame retardant has excellent flame retardant effect and physical properties, has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and reduces the generation of smoke dust and toxic fog and environmental harm when the environment-friendly composite type antimony trioxide flame retardant is flame retardant.
EXAMPLE five
In the second embodiment of the invention, the environment-friendly composite antimony trioxide flame retardant comprises, by mass, 5% of modified antimony trioxide, 80% of red phosphorus, 15% of magnesium hydroxide, 15% of aluminum hydroxide, 10% of copper oxide and 5% of an auxiliary agent. The environment-friendly composite type antimony trioxide flame retardant of the embodiment adopts modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide as main materials, and copper oxide, filling powder and organic silicone as auxiliary materials, so that the environment-friendly composite type antimony trioxide flame retardant has excellent flame retardant effect and physical properties, has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility, and reduces the generation of smoke dust and toxic fog and environmental harm when the environment-friendly composite type antimony trioxide flame retardant is flame retardant.
In summary, in one or more embodiments of the present invention, the modified antimony trioxide, red phosphorus, magnesium hydroxide and aluminum hydroxide are used as main materials, and the copper oxide, the filler powder and the organic silicone are used as auxiliary materials, so that the environment-friendly composite antimony trioxide flame retardant has excellent flame retardant effect and physical properties, and has the characteristics of low smoke, low toxicity, no halogen and excellent compatibility. The preparation method of the environment-friendly composite type antimony trioxide flame retardant has the advantages that the preparation process is quick and simple, more and complex equipment is not needed, workers can operate on duty without complex training, the production cost of enterprises is reduced, the production efficiency of the enterprises is improved, and the large-scale popularization of the environment-friendly composite type antimony trioxide flame retardant is facilitated.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. The environment-friendly composite antimony trioxide flame retardant is characterized by comprising the following components in percentage by mass:
1 to 5 percent of modified antimony trioxide;
50% -80% of red phosphorus;
10 to 15 percent of magnesium hydroxide;
10 to 15 percent of aluminum hydroxide;
5% -10% of copper oxide;
1 to 5 percent of auxiliary agent.
2. The environment-friendly composite antimony trioxide flame retardant according to claim 1, characterized by comprising the following components in percentage by mass:
2 to 4 percent of modified antimony trioxide;
60% -70% of red phosphorus;
11 to 14 percent of magnesium hydroxide;
11 to 14 percent of aluminum hydroxide;
6 to 9 percent of copper oxide;
2 to 4 percent of auxiliary agent.
3. The environment-friendly composite antimony trioxide flame retardant according to claim 1, characterized by comprising the following components in percentage by mass:
2 to 4 percent of modified antimony trioxide;
60% -70% of red phosphorus;
12% of magnesium hydroxide;
12% of aluminum hydroxide;
8% of copper oxide;
3 percent of auxiliary agent.
4. The environment-friendly composite antimony trioxide flame retardant according to any one of claims 1 to 3, wherein the auxiliary agent comprises 1.5% by mass of filler powder and 1.5% by mass of organic silicone.
5. A method for preparing the environment-friendly composite antimony trioxide flame retardant of any one of claims 1 to 4, which comprises the following steps:
the method comprises the following steps: adding deionized water into a solution tank, and heating the deionized water to a preset temperature by the solution tank;
step two: placing antimony trioxide in a solution tank, and stirring deionized water and the antimony trioxide by a magnetic stirrer for a preset time;
step three: after the stirring of the magnetic stirrer is finished, adding sodium stearate into the solution tank, stirring the solution by the magnetic stirrer for a preset time, filtering the liquid in the solution tank, and taking out the modified antimony trioxide;
step four: adding 1-5% of modified antimony trioxide, 50-80% of red phosphorus, 10-15% of magnesium hydroxide, 10-15% of aluminum hydroxide, 5-10% of copper oxide and 1-5% of auxiliaries in percentage by mass into a mixing tank, and uniformly stirring to obtain a mixed raw material;
step five: putting the mixed raw materials into a screw extrusion device, and mixing and extruding the mixed raw materials by the screw extrusion device;
step six: and (4) taking the extruded mixed raw materials for cooling, drying and granulating to complete the preparation work of the environment-friendly composite antimony trioxide flame retardant.
6. The method for preparing the environment-friendly composite antimony trioxide flame retardant of claim 5, wherein in the first step, the deionized water is heated to 50-80 ℃ in a solution tank.
7. The method for preparing the environment-friendly composite antimony trioxide flame retardant of claim 5, wherein in the second step, the antimony trioxide is placed in a solution tank, and a magnetic stirrer is used for stirring the deionized water and the antimony trioxide for 1 minute to 2 minutes.
8. The method for preparing the environment-friendly composite antimony trioxide flame retardant of claim 5, wherein in the third step, after the magnetic stirrer finishes stirring, sodium stearate is added into the solution tank, the magnetic stirrer stirs for 2 to 4 minutes, the solution in the solution tank is filtered, and the modified antimony trioxide is taken out.
9. The method for manufacturing the environment-friendly composite type antimony trioxide flame retardant according to claim 5, characterized in that in the fourth step, 2-4% of modified antimony trioxide, 60-70% of red phosphorus, 11-14% of magnesium hydroxide, 11-14% of aluminum hydroxide, 6-9% of copper oxide and 2-4% of auxiliaries are added into a mixing tank by mass percent and uniformly stirred to prepare a mixed raw material.
10. The method for preparing the environment-friendly composite antimony trioxide flame retardant according to claim 5, characterized in that in the fourth step, 2-4% by mass of modified antimony trioxide, 60-70% by mass of red phosphorus, 12% by mass of magnesium hydroxide, 12% by mass of aluminum hydroxide, 8% by mass of copper oxide and 3% by mass of an auxiliary agent are added into a mixing tank and uniformly stirred to prepare a mixed raw material.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040063815A1 (en) * | 2002-07-18 | 2004-04-01 | Yutaka Kinose | Modified red phosphorus, method of producing the same, decolorized red phosphorus composition and flame-retardant polymer composition |
| CN101456962A (en) * | 2008-12-29 | 2009-06-17 | 黄华昌 | High-content red phosphorus flame-retardant master batch |
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2020
- 2020-08-21 CN CN202010847817.8A patent/CN112159668A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040063815A1 (en) * | 2002-07-18 | 2004-04-01 | Yutaka Kinose | Modified red phosphorus, method of producing the same, decolorized red phosphorus composition and flame-retardant polymer composition |
| CN101456962A (en) * | 2008-12-29 | 2009-06-17 | 黄华昌 | High-content red phosphorus flame-retardant master batch |
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| 刘立华: "三氧化二锑阻燃剂的制备及表面改性研究", 《化工科技市场》 * |
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Application publication date: 20210101 |