CN104371299A - Medical flame-retardant antistatic material and preparation method thereof - Google Patents
Medical flame-retardant antistatic material and preparation method thereof Download PDFInfo
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- CN104371299A CN104371299A CN201410623796.6A CN201410623796A CN104371299A CN 104371299 A CN104371299 A CN 104371299A CN 201410623796 A CN201410623796 A CN 201410623796A CN 104371299 A CN104371299 A CN 104371299A
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Abstract
The invention discloses a medical flame-retardant antistatic material and a preparation method thereof. The flame-retardant antistatic material comprises the following components: PPE (polyphenylene ether), PS (polystyrene), PU (polyurethane), PP (polypropylene), barium stearate, ethylene glycol, carboxymethyl cellulose, tributyl phosphate, sodium hexametaphosphate, polymethacrylic acid, terpineol, butyl acetate, castor oil, ester gum, talcum powder, a flame retardant, a toughener, an antioxidant, polyester fiber and carbon fiber. The preparation method comprises the following steps: adding all the components into 100-200 parts by weight of 70 wt% ethanol water solution, uniformly mixing, transferring into a reflux unit, heating and stirring under reflux, filtering to obtain a solid mixture, blow-drying the solid mixture with hot nitrogen, transferring into a hopper of a double screw extruder, carrying out melt blending extrusion, cooling with water, airing, and granulating to obtain the medical flame-retardant antistatic material. The material disclosed by the invention has the advantages of excellent mechanical properties, excellent flame retardancy and excellent antistatic property, and greatly satisfies the operating requirements for the field of medical treatment.
Description
Technical field
The invention belongs to medical material preparing technical field, be specifically related to a kind of medical flame-retardant and anti-static material and preparation method thereof.
Background technology
Polyphenylene oxide (PPE) is a kind of thermoplastic engineering plastic of high comprehensive performance, and especially its electrical insulating property and water tolerance are all very excellent, good stability of the dimension.Without strong polar group in PPE resinous molecular structure, electric performance stablity, can keep good electrical property within the scope of temperature frequency widely, its specific inductivity and tangent of the dielectric loss angle are minimum in engineering plastics, hardly by the impact of temperature, humidity and frequency number.Its volume specific resistance is the highest in engineering plastics.The electrical property of PPE excellence makes it be widely used in electric equipment products, and especially high voltage bearing parts, as the line output transformer etc. of colour TV.The physical strength of PPE resin is higher, and creep resistant is excellent, and influence of temperature change is very little.PPE has higher thermotolerance, second-order transition temperature up to 211 DEG C, fusing point 268 DEG C.The water tolerance of PPE is very good, is the kind that in engineering plastics, water-intake rate is minimum.Soak its physicals in the hot water for a long time and still have little decline.The shrinking percentage of PPE is low, and good stability of the dimension is nontoxic, and density is little, is not substantially corroded acid, alkali and washing composition etc.The weakness of PPE is that photostabilization is poor, and under sunlight or luminescent lamp, use can produce variable color for a long time, yellowish, and reason is that ultraviolet makes the chain combination of aromatic oxide division cause.Because the hardness of PPE is larger, therefore PPE being prepared into wire type product makes toughness poor, pliability is also inadequate, and the composite plastics material used under particular surroundings in medical field needs to possess very strong mechanical property usually, certain toughness and static resistance and flame retardant properties will be possessed simultaneously, not only matrix material used is at present difficult to meet to be had excellent mechanical property but also has certain toughness and the characteristic of anti-electrostatic fire retardant, therefore just need constantly a kind of material of research and development, this generic request can be met.
Summary of the invention
The object of the invention is to provide a kind of medical flame-retardant and anti-static material and preparation method thereof to overcome above the deficiencies in the prior art, greatly can improve every mechanical property of material and flame retardant resistance and static resistance, meet the use of medicine and hygiene fields better.
The present invention is achieved through the following technical solutions:
A kind of medical flame-retardant and anti-static material, comprises in components by weight percent: PPE 60-70 part, PS 40-50 part, PU 10-20 part, PP 20-30 part, barium stearate 1-5 part, ethylene glycol 2-6 part, carboxymethyl cellulose 1-5 part, tributyl phosphate 3-8 part, Sodium hexametaphosphate 99 1-4 part, polymethyl acrylic acid 1-4 part, Terpineol 350 0.5-2 part, N-BUTYL ACETATE 2-6 part, Viscotrol C 0.6-2 part, ester gum 0.5-1 part, talcum powder 0.6-2 part, fire retardant 2-7 part, toughner 1-5 part, oxidation inhibitor 0.8-1.5 part, trevira 2-5 part, carbon fiber 1-6 part.
Described medical flame-retardant and anti-static material, can preferably comprise in components by weight percent: PPE 65-68 part, PS 43-47 part, PU 13-18 part, PP 22-26 part, barium stearate 2-4 part, ethylene glycol 3-5 part, carboxymethyl cellulose 3-5 part, tributyl phosphate 5-7 part, Sodium hexametaphosphate 99 2-4 part, polymethyl acrylic acid 1-3 part, Terpineol 350 0.8-1.6 part, N-BUTYL ACETATE 3-5 part, Viscotrol C 0.7-1.3 part, ester gum 0.6-0.9 part, talcum powder 1.3-1.6 part, fire retardant 4-6 part, toughner 2-4 part, oxidation inhibitor 0.9-1.3 part, trevira 3-5 part, carbon fiber 3-6 part.
Above-described medical flame-retardant and anti-static material, fire retardant can be nitrogenated flame retardant or phosphorus flame retardant.
Above-described medical flame-retardant and anti-static material, toughner can be MBS.
Above-described medical flame-retardant and anti-static material, oxidation inhibitor can be irgasfos 168 or antioxidant 264.
The preparation method of the medical flame-retardant and anti-static material described in more than one, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, each component to be joined weight part be 100-200 part mass concentration is in the aqueous ethanolic solution of 70%, is uniformly mixed, proceeds in reflux, and heated and stirred backflow 40-60 minute, filters to obtain solid mixture;
Step 3, uses hot nitrogen to dry up solid mixture, be then transferred in the hopper of twin screw extruder, extrude through melt blending, water-cooled, air-dry, pelletizing, obtain medical flame-retardant and anti-static material.
The preparation method of above-described medical flame-retardant and anti-static material, in step 3, the temperature of hot nitrogen can be 60-80 DEG C.
The preparation method of above-described medical flame-retardant and anti-static material, in step 3, extrusion temperature can be: a district: 190-210 DEG C; 2nd district: 200-210 DEG C; 3rd district: 210-230 DEG C; 4th district: 220-240 DEG C; Screw speed can be 210-230 rev/min.
Medical flame-retardant and anti-static material provided by the invention has excellent properties, wherein tensile strength reaches more than 326MPa, elongation at break reaches more than 367% notched Izod impact strength and reaches more than 563MPa, flexural strength reaches more than 341MPa, heat-drawn wire reaches more than 215 DEG C, flame retardant properties reaches V-0 rank, and surface resistivity reaches 10
6Ω, therefore medical flame-retardant and anti-static material provided by the invention has extremely strong mechanical property and fire-retardant and antistatic property, greatly can meet the requirement of medical field for these performances.
Embodiment
Embodiment 1
A kind of medical flame-retardant and anti-static material, comprises in components by weight percent: PPE 60 parts, PS 40 parts, PU 10 parts, PP 20 parts, barium stearate 1 part, ethylene glycol 2 parts, carboxymethyl cellulose 1 part, tributyl phosphate 3 parts, Sodium hexametaphosphate 99 1 part, polymethyl acrylic acid 1 part, Terpineol 350 0.5 part, N-BUTYL ACETATE 2 parts, Viscotrol C 0.6 part, ester gum 0.5 part, talcum powder 0.6 part, ammonium polyphosphate 2 parts, toughner MBS 1 part, irgasfos 168 0.8-1.5 part, 2 parts, trevira, 1 part, carbon fiber.
The preparation method of above-described medical flame-retardant and anti-static material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, each component to be joined weight part be 100 parts of mass concentrations is in the aqueous ethanolic solution of 70%, and be uniformly mixed, proceed in reflux, heated and stirred refluxes 40 minutes, filters to obtain solid mixture;
Step 3, be that the hot nitrogen of 60 DEG C dries up by solid mixture use temperature, be then transferred in the hopper of twin screw extruder, extrude through melt blending, water-cooled, air-dry, pelletizing, obtain medical flame-retardant and anti-static material, wherein extrusion temperature is: a district: 190 DEG C; 2nd district: 200 DEG C; 3rd district: 210 DEG C; 4th district: 220 DEG C; Screw speed is 210 revs/min.
Embodiment 2
A kind of medical flame-retardant and anti-static material, comprises in components by weight percent: PPE 65 parts, PS 43 parts, PU 13 parts, PP 22 parts, barium stearate 2 parts, ethylene glycol 3 parts, carboxymethyl cellulose 3 parts, tributyl phosphate 5 parts, Sodium hexametaphosphate 99 2 parts, polymethyl acrylic acid 1 part, Terpineol 350 0.8 part, N-BUTYL ACETATE 3 parts, Viscotrol C 0.7 part, ester gum 0.6 part, talcum powder 1.3 parts, trimeric cyanamide 4 parts, toughner MBS 2 parts, antioxidant 264 0.9 part, 3 parts, trevira, 3 parts, carbon fiber.
The preparation method of above-described medical flame-retardant and anti-static material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, each component to be joined weight part be 140 parts of mass concentrations is in the aqueous ethanolic solution of 70%, and be uniformly mixed, proceed in reflux, heated and stirred refluxes 45 minutes, filters to obtain solid mixture;
Step 3, be that the hot nitrogen of 70 DEG C dries up by solid mixture use temperature, be then transferred in the hopper of twin screw extruder, extrude through melt blending, water-cooled, air-dry, pelletizing, obtain medical flame-retardant and anti-static material, wherein extrusion temperature is: a district: 196 DEG C; 2nd district: 203 DEG C; 3rd district: 215 DEG C; 4th district: 227 DEG C; Screw speed is 215 revs/min.
Embodiment 3
A kind of medical flame-retardant and anti-static material, comprises in components by weight percent: PPE 66 parts, PS 45 parts, PU 16 parts, PP 25 parts, barium stearate 3 parts, ethylene glycol 4 parts, carboxymethyl cellulose 4 parts, tributyl phosphate 6 parts, Sodium hexametaphosphate 99 3 parts, polymethyl acrylic acid 2 parts, Terpineol 350 1.4 parts, N-BUTYL ACETATE 4 parts, Viscotrol C 0.8 part, ester gum 0.7 part, talcum powder 1.5 parts, ammonium polyphosphate 5 parts, toughner MBS 3 parts, antioxidant 264 1.2 parts, 4 parts, trevira, 5 parts, carbon fiber.
The preparation method of above-described medical flame-retardant and anti-static material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, each component to be joined weight part be 170 parts of mass concentrations is in the aqueous ethanolic solution of 70%, and be uniformly mixed, proceed in reflux, heated and stirred refluxes 50 minutes, filters to obtain solid mixture;
Step 3, be that the hot nitrogen of 80 DEG C dries up by solid mixture use temperature, be then transferred in the hopper of twin screw extruder, extrude through melt blending, water-cooled, air-dry, pelletizing, obtain medical flame-retardant and anti-static material, wherein extrusion temperature is: a district: 198 DEG C; 2nd district: 206 DEG C; 3rd district: 220 DEG C; 4th district: 232 DEG C; Screw speed is 220 revs/min.
Embodiment 4
A kind of medical flame-retardant and anti-static material, comprises in components by weight percent: PPE 68 parts, PS 47 parts, PU 18 parts, PP 26 parts, barium stearate 4 parts, ethylene glycol 5 parts, carboxymethyl cellulose 5 parts, tributyl phosphate 7 parts, Sodium hexametaphosphate 99 4 parts, polymethyl acrylic acid 3 parts, Terpineol 350 1.6 parts, N-BUTYL ACETATE 5 parts, Viscotrol C 1.3 parts, ester gum 0.9 part, talcum powder 1.6 parts, trimeric cyanamide 6 parts, toughner MBS 4 parts, irgasfos 168 1.3 parts, 5 parts, trevira, 6 parts, carbon fiber.
The preparation method of above-described medical flame-retardant and anti-static material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, each component to be joined weight part be 190 parts of mass concentrations is in the aqueous ethanolic solution of 70%, and be uniformly mixed, proceed in reflux, heated and stirred refluxes 55 minutes, filters to obtain solid mixture;
Step 3, be that the hot nitrogen of 80 DEG C dries up by solid mixture use temperature, be then transferred in the hopper of twin screw extruder, extrude through melt blending, water-cooled, air-dry, pelletizing, obtain medical flame-retardant and anti-static material, wherein extrusion temperature is: a district: 206 DEG C; 2nd district: 210 DEG C; 3rd district: 224 DEG C; 4th district: 238 DEG C; Screw speed is 225 revs/min.
Embodiment 5
A kind of medical flame-retardant and anti-static material, comprises in components by weight percent: PPE 70 parts, PS 50 parts, PU 20 parts, PP 30 parts, barium stearate 5 parts, ethylene glycol 6 parts, carboxymethyl cellulose 5 parts, tributyl phosphate 8 parts, Sodium hexametaphosphate 99 4 parts, polymethyl acrylic acid 4 parts, Terpineol 350 2 parts, N-BUTYL ACETATE 6 parts, Viscotrol C 2 parts, ester gum 1 part, talcum powder 2 parts, ammonium polyphosphate 7 parts, toughner MBS 5 parts, irgasfos 168 1.5 parts, 5 parts, trevira, 6 parts, carbon fiber.
The preparation method of above-described medical flame-retardant and anti-static material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, each component to be joined weight part be 200 parts of mass concentrations is in the aqueous ethanolic solution of 70%, and be uniformly mixed, proceed in reflux, heated and stirred refluxes 60 minutes, filters to obtain solid mixture;
Step 3, be that the hot nitrogen of 80 DEG C dries up by solid mixture use temperature, be then transferred in the hopper of twin screw extruder, extrude through melt blending, water-cooled, air-dry, pelletizing, obtain medical flame-retardant and anti-static material, wherein extrusion temperature is: a district: 210 DEG C; 2nd district: 210 DEG C; 3rd district: 230 DEG C; 4th district: 240 DEG C; Screw speed is 230 revs/min.
Carry out performance test to the medical flame-retardant and anti-static material that above embodiment prepares, result is as follows:
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Tensile strength (MPa) | 326 | 349 | 368 | 362 | 339 |
| Elongation at break % | 367 | 384 | 402 | 392 | 376 |
| Notched Izod impact strength (MPa) | 563 | 578 | 592 | 583 | 573 |
| Flexural strength (MPa) | 341 | 368 | 375 | 371 | 357 |
| Heat-drawn wire (DEG C) | 215 | 223 | 233 | 224 | 221 |
| Flame retardant properties | V-0 | V-0 | V-0 | V-0 | V-0 |
| Surface resistivity (Ω) | 10 7 | 10 6 | 10 6 | 10 6 | 10 6 |
As can be seen from above test-results, medical flame-retardant and anti-static material provided by the invention has excellent properties, wherein tensile strength reaches more than 326MPa, elongation at break reaches more than 367% notched Izod impact strength and reaches more than 563MPa, flexural strength reaches more than 341MPa, heat-drawn wire reaches more than 215 DEG C, and flame retardant properties reaches V-0 rank, and surface resistivity reaches 10
6Ω, therefore medical flame-retardant and anti-static material provided by the invention has extremely strong mechanical property and fire-retardant and antistatic property, greatly can meet the requirement of medical field for these performances.
Claims (8)
1. a medical flame-retardant and anti-static material, it is characterized in that, comprise in components by weight percent: PPE 60-70 part, PS 40-50 part, PU 10-20 part, PP 20-30 part, barium stearate 1-5 part, ethylene glycol 2-6 part, carboxymethyl cellulose 1-5 part, tributyl phosphate 3-8 part, Sodium hexametaphosphate 99 1-4 part, polymethyl acrylic acid 1-4 part, Terpineol 350 0.5-2 part, N-BUTYL ACETATE 2-6 part, Viscotrol C 0.6-2 part, ester gum 0.5-1 part, talcum powder 0.6-2 part, fire retardant 2-7 part, toughner 1-5 part, oxidation inhibitor 0.8-1.5 part, trevira 2-5 part, carbon fiber 1-6 part.
2. medical flame-retardant and anti-static material according to claim 1, it is characterized in that, comprise in components by weight percent: PPE 65-68 part, PS 43-47 part, PU 13-18 part, PP 22-26 part, barium stearate 2-4 part, ethylene glycol 3-5 part, carboxymethyl cellulose 3-5 part, tributyl phosphate 5-7 part, Sodium hexametaphosphate 99 2-4 part, polymethyl acrylic acid 1-3 part, Terpineol 350 0.8-1.6 part, N-BUTYL ACETATE 3-5 part, Viscotrol C 0.7-1.3 part, ester gum 0.6-0.9 part, talcum powder 1.3-1.6 part, fire retardant 4-6 part, toughner 2-4 part, oxidation inhibitor 0.9-1.3 part, trevira 3-5 part, carbon fiber 3-6 part.
3. medical flame-retardant and anti-static material according to claim 1 and 2, is characterized in that, fire retardant is nitrogenated flame retardant or phosphorus flame retardant.
4. medical flame-retardant and anti-static material according to claim 1 and 2, is characterized in that, toughner is MBS.
5. medical flame-retardant and anti-static material according to claim 1 and 2, is characterized in that, oxidation inhibitor is irgasfos 168 or antioxidant 264.
6. the preparation method of the medical flame-retardant and anti-static material described in claim 1 or 2, is characterized in that, comprise the following steps:
Step one, takes each component according to weight part;
Step 2, each component to be joined weight part be 100-200 part mass concentration is in the aqueous ethanolic solution of 70%, is uniformly mixed, proceeds in reflux, and heated and stirred backflow 40-60 minute, filters to obtain solid mixture;
Step 3, uses hot nitrogen to dry up solid mixture, be then transferred in the hopper of twin screw extruder, extrude through melt blending, water-cooled, air-dry, pelletizing, obtain medical flame-retardant and anti-static material.
7. the preparation method of medical flame-retardant and anti-static material according to claim 6, is characterized in that, in step 3, the temperature of hot nitrogen is 60-80 DEG C.
8. the preparation method of medical flame-retardant and anti-static material according to claim 6, it is characterized in that, in step 3, extrusion temperature is: a district: 190-210 DEG C; 2nd district: 200-210 DEG C; 3rd district: 210-230 DEG C; 4th district: 220-240 DEG C; Screw speed is 210-230 rev/min.
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| CN201410623796.6A CN104371299A (en) | 2014-11-07 | 2014-11-07 | Medical flame-retardant antistatic material and preparation method thereof |
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| CN201410623796.6A CN104371299A (en) | 2014-11-07 | 2014-11-07 | Medical flame-retardant antistatic material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837916A (en) * | 2016-06-17 | 2016-08-10 | 国网山东省电力公司东阿县供电公司 | High-strength corrosion resistance distribution box used for electric power |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123475A (en) * | 1977-12-28 | 1978-10-31 | General Electric Company | Antistatic polyphenylene ether compositions |
| CN102850646A (en) * | 2011-06-27 | 2013-01-02 | 滁州格美特科技有限公司 | Flame-retardant antistatic high-strength thermoplastic composite material and its preparation method |
| CN103382301A (en) * | 2013-07-03 | 2013-11-06 | 苏州市沃特新材料科技有限公司 | Polyphenyl ether alloy material and preparation method thereof |
-
2014
- 2014-11-07 CN CN201410623796.6A patent/CN104371299A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123475A (en) * | 1977-12-28 | 1978-10-31 | General Electric Company | Antistatic polyphenylene ether compositions |
| CN102850646A (en) * | 2011-06-27 | 2013-01-02 | 滁州格美特科技有限公司 | Flame-retardant antistatic high-strength thermoplastic composite material and its preparation method |
| CN103382301A (en) * | 2013-07-03 | 2013-11-06 | 苏州市沃特新材料科技有限公司 | Polyphenyl ether alloy material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837916A (en) * | 2016-06-17 | 2016-08-10 | 国网山东省电力公司东阿县供电公司 | High-strength corrosion resistance distribution box used for electric power |
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