CN110885546A - Halogen-free flame-retardant PPO (polyphenylene oxide) antistatic material - Google Patents
Halogen-free flame-retardant PPO (polyphenylene oxide) antistatic material Download PDFInfo
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- CN110885546A CN110885546A CN201811053608.5A CN201811053608A CN110885546A CN 110885546 A CN110885546 A CN 110885546A CN 201811053608 A CN201811053608 A CN 201811053608A CN 110885546 A CN110885546 A CN 110885546A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
- C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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Abstract
The invention relates to the technical field of high polymer materials, and particularly discloses a halogen-free flame-retardant PPO (polyphenylene oxide) antistatic material which comprises 85-95 parts by mass of PPO, 2-4 parts by mass of carbon nano tubes and a flame retardant, wherein the flame retardant is a compound of 1-5 parts by mass of hypophosphite flame retardant and 1-5 parts by mass of phosphate flame retardant. The halogen-free flame-retardant PPO antistatic material has high flame retardance without affecting the mechanical property and the heat resistance of the PPO material.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of high polymer materials, in particular to a halogen-free flame-retardant PPO antistatic material.
[ background of the invention ]
Polyphenylene Oxide (PPO), also called polyphenylene oxide, is one of five general engineering plastics in the world, has the advantages of high rigidity, good dimensional stability, high heat resistance, flame retardancy, high strength, excellent electrical property and the like, and is widely applied to electronic and electrical products.
In order to further meet the flame retardant and antistatic capabilities of electronic and electric products, red phosphorus flame retardants and phosphate flame retardants are generally added into the existing PPO antistatic materials. However, red phosphorus flame retardants cause an overall reduction in the mechanical properties of the material, and phosphate flame retardants cause a reduction in the heat resistance of the material.
Therefore, there is a need to develop a halogen-free flame-retardant PPO antistatic material to solve the above problems.
[ summary of the invention ]
The invention aims to provide a halogen-free flame-retardant PPO antistatic material, which can improve the flame retardance of the material without affecting the mechanical property and the heat resistance of the material.
In order to achieve the purpose, the invention adopts the following technical scheme:
the halogen-free flame-retardant PPO antistatic material comprises the following components in parts by mass:
85-95 parts by mass of PPO;
2-4 parts by mass of carbon nanotubes; and
the flame retardant is a compound of 1-5 parts by mass of hypophosphite flame retardant and 1-5 parts by mass of phosphate flame retardant.
Preferably, the carbon nanotube is 2 parts by mass, 3 parts by mass or 4 parts by mass; the hypophosphite flame retardant is 1 part by mass, 2 parts by mass, 3 parts by mass, 4 parts by mass or 5 parts by mass; the phosphate flame retardant is 1 part by mass, 2 parts by mass, 3 parts by mass, 4 parts by mass or 5 parts by mass.
As a further improvement of the invention, the halogen-free flame-retardant PPO antistatic material also comprises 0.1-1 part by mass of anti-dripping agent.
Preferably, the anti-dripping agent is 0.1 part by mass, 0.2 part by mass, 0.4 part by mass, 0.6 part by mass, 0.8 part by mass or 1 part by mass.
Wherein the PPO is pure PPO, phosphated PPO, sulfonylated PPO or hydroxylated PPO.
The hypophosphite flame retardant is one or a compound of two of an ethylene-based aluminum hypophosphite flame retardant and an allyl-based hypophosphorous acid.
Wherein the phosphate flame retardant is one or more of 1,3 phenylene phosphate (2, 6-tolyl) tetraester, tetraphenyl bisphenol A diphosphate and derivative flame retardant (BDP) thereof, tetraphenyl resorcinol diphosphate and derivative (RDP) flame retardant thereof and triphenyl phosphate (TPP) flame retardant.
Wherein the carbon nanotube is a single-walled carbon nanotube, a double-walled carbon nanotube or a multi-walled carbon nanotube.
Wherein the diameter range of the carbon nano tube is 0.7 nm-7 nm, the length-diameter ratio is more than 500, and more than 50 percent of the carbon nano tubes have the diameter of 0.7 nm-1.0 nm.
Wherein the carbon nano tube has an oil absorption value of more than 300ml/100g and a nitrogen adsorption BET specific surface area of more than 250m2/g，Iodine adsorption value is more than 400 mg/g.
The invention has the beneficial effects that: through the compounding of the hypophosphite flame retardant and the phosphate flame retardant added into the PPO material, the flame retardance of the material is improved while the mechanical property and the heat resistance of the material are not influenced.
[ detailed description ] embodiments
The halogen-free flame-retardant PPO antistatic material comprises 85-95 parts by mass of PPO, 2-4 parts by mass of carbon nanotubes and a flame retardant, wherein the flame retardant is a compound of 1-5 parts by mass of hypophosphite flame retardant and 1-5 parts by mass of phosphate flame retardant. Preferably, the carbon nanotubes are 2 parts by mass, 3 parts by mass or 4 parts by mass; the hypophosphite flame retardant is 1 part by mass, 2 parts by mass, 3 parts by mass, 4 parts by mass or 5 parts by mass; the phosphate flame retardant is 1 part by mass, 2 parts by mass, 3 parts by mass, 4 parts by mass or 5 parts by mass. The halogen-free flame-retardant PPO antistatic material is prepared by adding a hypophosphite flame retardant and a phosphate flame retardant into a PPO material for compounding, and has high flame retardance while not influencing the mechanical property and the heat resistance of the PPO material.
In order to further improve the flame retardance of the material, 0.1-1 part by mass of anti-dripping agent can be added into the halogen-free flame-retardant PPO antistatic material. Wherein the anti-dripping agent is 0.1 part by mass, 0.2 part by mass, 0.4 part by mass, 0.6 part by mass, 0.8 part by mass or 1 part by mass.
In the halogen-free flame-retardant PPO antistatic material, PPO is pure PPO, phosphated PPO, sulfonylated PPO or hydroxylated PPO.
In the flame retardant, the hypophosphite flame retardant is one or a compound of two of ethylene aluminum hypophosphite flame retardant and propenyl hypophosphorous acid. The phosphate flame retardant is one or more of 1,3 phenylene phosphate (2, 6-tolyl) tetraester, tetraphenyl bisphenol A diphosphate and derivative flame retardant (BDP), tetraphenyl resorcinol diphosphate and derivative (RDP) flame retardant and triphenyl phosphate (TPP) flame retardant.
In the halogen-free flame-retardant PPO antistatic material, the carbon nano tube is a single-wall carbon nano tube, a double-wall carbon nano tube orMulti-walled carbon nanotubes. Wherein the diameter range of the carbon nano tube is 0.7 nm-7 nm, the length-diameter ratio is more than 500, and the diameter of more than 50 percent of the carbon nano tubes is 0.7 nm-1.0 nm. The carbon nano tube has an oil absorption value of more than 300ml/100g and a nitrogen adsorption BET specific surface area of more than 250m2The iodine adsorption value is more than 400 mg/g. By adding carbon nano tubes into the PPO material, the surface resistance of the PPO material can be reduced to 105～108Ohm。
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description is given in conjunction with the preferred embodiments and comparative examples.
Example 1
A halogen-free flame-retardant PPO antistatic material comprises 90.5 parts by mass of PPO, 3 parts by mass of carbon nanotubes, 5 parts by mass of vinyl aluminum hypophosphite flame retardant, 1 part by mass of phosphate ester flame retardant and 0.5 part by mass of anti-dripping agent.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, feeding the mixture into a double-screw extruder for fusion, and extruding the mixture through a die orifice for granulation.
Example 2
A halogen-free flame-retardant PPO antistatic material comprises 90.5 parts by mass of PPO, 3 parts by mass of carbon nanotubes, 3 parts by mass of an ethylene-based aluminum hypophosphite flame retardant, 3 parts by mass of a phosphate ester flame retardant and 0.5 part by mass of an anti-dripping agent.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, feeding the mixture into a double-screw extruder for fusion, and extruding the mixture through a die orifice for granulation.
Example 3
A halogen-free flame-retardant PPO antistatic material comprises 89.5 parts by mass of PPO, 3 parts by mass of carbon nanotubes, 2 parts by mass of vinyl aluminum hypophosphite flame retardant, 5 parts by mass of phosphate ester flame retardant and 0.5 part by mass of anti-dripping agent.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, feeding the mixture into a double-screw extruder for fusion, and extruding the mixture through a die orifice for granulation.
Example 4
A halogen-free flame-retardant PPO antistatic material comprises 91.5 parts by mass of PPO, 3 parts by mass of carbon nanotubes, 1 part by mass of vinyl aluminum hypophosphite flame retardant, 4 parts by mass of phosphate ester flame retardant and 0.5 part by mass of anti-dripping agent.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, feeding the mixture into a double-screw extruder for fusion, and extruding the mixture through a die orifice for granulation.
Comparative example 1
A halogen-free flame-retardant PPO antistatic material comprises 96.5 parts by mass of PPO, 3 parts by mass of carbon nanotubes and 0.5 part by mass of anti-dripping agent.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, feeding the mixture into a double-screw extruder for fusion, and extruding the mixture through a die orifice for granulation.
Comparative example 2
A halogen-free flame-retardant PPO antistatic material comprises 84.5 parts by mass of PPO, 3 parts by mass of carbon nanotubes, 12 parts by mass of phosphate flame retardant and 0.5 part by mass of anti-dripping agent.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, feeding the mixture into a double-screw extruder for fusion, and extruding the mixture through a die orifice for granulation.
The pellets obtained in examples 1 to 4 and comparative examples 1 and 2 above were injection molded into standard test specimens on an injection molding machine, and their mechanical properties and heat resistance were measured according to the relevant standards, and the test results are shown in Table 1 below.
TABLE 1 test results
From the test results in table 1 above, it can be seen that the halogen-free flame-retardant PPO antistatic material obtained by adding the hypophosphite flame retardant and the phosphate flame retardant into the PPO material has high flame retardancy without affecting the mechanical properties and heat resistance thereof.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The halogen-free flame-retardant PPO antistatic material is characterized by comprising the following components in parts by mass:
85-95 parts by mass of PPO;
2-4 parts by mass of carbon nanotubes; and
the flame retardant is a compound of 1-5 parts by mass of hypophosphite flame retardant and 1-5 parts by mass of phosphate flame retardant.
2. The halogen-free flame-retardant PPO antistatic material as claimed in claim 1, further comprising 0.1-1 parts by mass of anti-dripping agent.
3. The halogen-free flame-retardant PPO antistatic material as claimed in claim 1 or 2, wherein the PPO is pure PPO, phosphated PPO, sulfonylated PPO or hydroxylated PPO.
4. The halogen-free flame-retardant PPO antistatic material as claimed in claim 1 or 2, wherein the hypophosphite flame retardant is one or a combination of two of ethylene aluminum hypophosphite flame retardant and propylene hypophosphorous acid.
5. The halogen-free flame-retardant PPO antistatic material as claimed in claim 1 or 2, wherein the phosphate flame retardant is one or more of 1,3 phenylene phosphate (2, 6-tolyl) tetraester, tetraphenyl bisphenol A diphosphate and its derivative flame retardant (BDP), tetraphenyl resorcinol diphosphate and its derivative (RDP) flame retardant and triphenyl phosphate (TPP) flame retardant.
6. The halogen-free flame-retardant PPO antistatic material as claimed in claim 1 or 2, wherein the carbon nanotubes are single-walled carbon nanotubes, double-walled carbon nanotubes or multi-walled carbon nanotubes.
7. The halogen-free flame-retardant PPO antistatic material as claimed in claim 1 or 2, wherein the diameter range of the carbon nanotubes is 0.7 nm-7 nm, the length-diameter ratio is greater than 500, and more than 50% of the carbon nanotubes have a diameter of 0.7 nm-1.0 nm.
8. The halogen-free flame-retardant PPO antistatic material as claimed in claim 1 or 2, wherein the carbon nanotubes have an oil absorption value of more than 300ml/100g and a nitrogen adsorption BET specific surface area of more than 250m2The iodine adsorption value is more than 400 mg/g.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053608.5A CN110885546A (en) | 2018-09-11 | 2018-09-11 | Halogen-free flame-retardant PPO (polyphenylene oxide) antistatic material |
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| CN201811053608.5A CN110885546A (en) | 2018-09-11 | 2018-09-11 | Halogen-free flame-retardant PPO (polyphenylene oxide) antistatic material |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675852A (en) * | 2012-04-10 | 2012-09-19 | 江苏启蓝新材料有限公司 | Halogen-free flame-retardant polyphenyl ether composition |
| CN103421299A (en) * | 2012-05-25 | 2013-12-04 | 比亚迪股份有限公司 | Polyphenyl ether composition and preparation method thereof |
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- 2018-09-11 CN CN201811053608.5A patent/CN110885546A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675852A (en) * | 2012-04-10 | 2012-09-19 | 江苏启蓝新材料有限公司 | Halogen-free flame-retardant polyphenyl ether composition |
| CN103421299A (en) * | 2012-05-25 | 2013-12-04 | 比亚迪股份有限公司 | Polyphenyl ether composition and preparation method thereof |
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