CN104371174A - Acid-corrosion-resistant medical alloy material and preparation method thereof - Google Patents
Acid-corrosion-resistant medical alloy material and preparation method thereof Download PDFInfo
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- CN104371174A CN104371174A CN201410624340.1A CN201410624340A CN104371174A CN 104371174 A CN104371174 A CN 104371174A CN 201410624340 A CN201410624340 A CN 201410624340A CN 104371174 A CN104371174 A CN 104371174A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- C08L2203/00—Applications
- C08L2203/02—Applications for biomedical use
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses an acid-corrosion-resistant medical alloy material and a preparation method thereof. The alloy material comprises the following components: PE (polyethylene), PVC (polyvinyl chloride), polycarbonate, isopropyl palmitate, polyvinyl alcohol, hydroxy silicon oil, octadecyl trimethyl ammonium chloride, melamine formaldehyde resin, stearin, magnesium hydroxide, calcium carbonate, boric acid, ethyl cellulose, ethylene-methacrylic acid copolymer, an antioxidant, an ultraviolet-resistant agent, cyclohexane, ethanolamine and polyethyleneglycol octyl phenyl ether. The preparation method comprises the following steps: uniformly mixing the components in a stirrer, adding into a reaction kettle, heating and stirring to react in an ammonia gas atmosphere to obtain a reaction product, transferring the reaction product into a double screw extruder, extruding, cooling with water, airing and granulating to obtain the acid-corrosion-resistant medical alloy material. The acid-corrosion-resistant medical alloy material disclosed by the invention has favorable mechanical properties and corrosion resistance, and further widens the application range.
Description
Technical field
The invention belongs to medical material preparing technical field, particularly a kind of acid corrosion-resistant medical alloy material and preparation method thereof.
Background technology
Polyethylene (polyethylene is called for short PE) is that ethene is through being polymerized obtained a kind of thermoplastic resin.Industrially, the multipolymer of ethene and a small amount of alpha-olefin is also comprised.Polyethylene odorless, nontoxic, feel ceraceous, have excellent resistance to low temperature (minimum use temperature can reach-100 ~-70 DEG C), chemical stability is good, the erosion (the not resistance to acid with oxidizing property) of the most of soda acid of ability.Be insoluble to common solvent under normal temperature, water-absorbent is little, and electrical insulating property is excellent.
Polyethylene is very sensitive for environmental stress (chemistry and mechanical effect), and heat-resistant aging is worse than chemical structure and the processing bar of polymkeric substance.Polyethylene can be processed with the forming method of general thermoplastics (see plastic working).Purposes is very extensive, is mainly used to manufacture film, wrapping material, container, pipeline, monofilament, electric wire, daily necessities etc., and can be used as the high-frequency insulation material of TV, radar etc.Along with the development of petrochemical complex, polyethylene production is developed rapidly, and output accounts for 1/4 of plastics ultimate production.Nineteen eighty-three, polyethylene overall throughput in the world's was 24.65Mt, was 3.16Mt building device capability.Recent statistics result in 2011, global production capacity reaches 96Mt, and the development trend display of polyethylene production, productive consumption is progressively to Asia transfer, and China day by day becomes most important consumption market.Polyethylene has excellent chemical stability, the various chemicals attack such as resistance to hydrochloric acid, hydrofluoric acid, phosphoric acid, formic acid, amine, sodium hydroxide, potassium hydroxide under room temperature, but nitric acid and sulfuric acid have stronger destruction to polyethylene.
PVC material (Polyvinyl chloride) is that polymerization of vinyl choride monomer forms, have fire-retardant (fire-retardant value is more than 40), chemical proofing high (resistance to concentrated hydrochloric acid, concentration be 90% sulfuric acid, concentration be the nitric acid of 60% and the sodium hydroxide of concentration 20%), physical strength and the good advantage of electrical insulating property.Poly purposes mainly includes: 1. profile extrustion die of polyvinyl chloride: section bar, profiled material are the maximum fields of China's PVC consumption, account for about 25% of PVC aggregate consumption, be mainly used in making door and window and energy-saving material, its application quantity still increases by a fairly big margin in China at present.In developed country, the share of market of plastic door-window is also that height ranks first, and if Germany is 50%, France is 56%, and the U.S. is 45%.2. polychloroethylene pipes: in numerous polrvinyl chloride products, polyvinyl chloride pipeline is its second largest consumer field, accounts for about 20% of its consumption.In China, polyvinyl chloride pipe comparatively PE pipe and the exploitation of PP pipe is early, wide in variety, and excellent property, use range is wide, commercially occupies critical positions.3. polychloroethylene film: the consumption of PVC film field to PVC occupies the 3rd, accounts for about 10%.PVC mixes with additive, plasticizing after, utilize three rollers or four-roll calender to make the transparent of specific thickness or coloured film, film processed in this way, becomes calendered film.Also can by cutting out, heat seal processing and packing bag, raincoat, tablecloth, curtain, inflatable toys etc.The transparent film of wide cut can be used for the use of greenhouse, plastic greenhouse and mulch film.Through the film of two-way stretch, the characteristic of institute's heat shrinkable, can be used for shrink packaging.The hard material of 4.PVC and sheet material: add stablizer, lubricant and filler in PVC, after mixing, can extrude hard tube, steel tubing in different shapes, the corrugated tube of various bore, as outfall sewer, water drinking tube, electricwire conduit or banister with forcing machine.By the overlapping hot pressing of thin slice of having rolled, can be made into the hard plate material of various thickness.Sheet material can cut into required shape, then utilizes PVC welding rod hot gas welding to become storage tank, the air channel and container etc. of various resistance to chemical attack.
Summary of the invention
The object of the invention is to provide a kind of acid corrosion-resistant medical alloy material and preparation method thereof to overcome above the deficiencies in the prior art, improving the acid resistance of PE material and the mechanical property of material.
The present invention is achieved through the following technical solutions:
A kind of acid corrosion-resistant medical alloy material, comprise in components by weight percent: PE 50-60 part, PVC 20-30 part, polycarbonate 5-10 part, Wickenol 111 2-8 part, polyvinyl alcohol 1-5 part, hydroxy silicon oil 3-7 part, octadecyl trimethyl ammonium chloride 0.5-2 part, melamino-formaldehyde resin 6-12 part, stearin 1-5 part, magnesium hydroxide 2-6 part, calcium carbonate 2-6 part, boric acid 1-5 part, ethyl cellulose 2-8 part, ethylene-methacrylic acid copolymer 2-6 part, antioxidant 1-4 part, anti ultraviolet agent 0.8-2 part, hexanaphthene 1-6 part, thanomin 2-6 part, Triton X-100 3-9 part.
Described acid corrosion-resistant medical alloy material, can preferably comprise in components by weight percent: PE 53-57 part, PVC 25-28 part, polycarbonate 6-9 part, Wickenol 111 5-7 part, polyvinyl alcohol 2-4 part, hydroxy silicon oil 4-6 part, octadecyl trimethyl ammonium chloride 0.8-1.5 part, melamino-formaldehyde resin 8-10 part, stearin 2-4 part, magnesium hydroxide 4-6 part, calcium carbonate 4-6 part, boric acid 2-5 part, ethyl cellulose 5-7 part, ethylene-methacrylic acid copolymer 3-5 part, antioxidant 2-4 part, anti ultraviolet agent 1.3-1.7 part, hexanaphthene 3-5 part, thanomin 3-5 part, Triton X-100 5-8 part.
Above-described acid corrosion-resistant medical alloy material, antioxidant can be antioxidant 1010.
Above-described acid corrosion-resistant medical alloy material, anti ultraviolet agent can be 2-(the chloro-2H-benzotriazole of 5--2-base)-6 tertiary butyl-4-methyl-phenol or 2-(2H-benzotriazole 2-yl)-4,6-di-tert-pentyl phenols.
The preparation method of above-described acid corrosion-resistant medical alloy material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, is uniformly mixed each component in mixing and blending machine, obtains material one;
Step 3, joins in reactor by material one, in ammonia atmosphere, be heated to 60-70 DEG C, and stirring reaction 60-90 minute, obtains reactant;
Step 4, reactant to be proceeded in twin screw extruder through extruding, water-cooled, air-dry, pelletizing, obtain acid corrosion-resistant medical alloy material.
The preparation method of described acid corrosion-resistant medical alloy material, the condition be uniformly mixed in step 2 can be stirring velocity 300-350 rev/min, churning time 30-50 minute.
In step 4, extrusion condition can be a district: 180-200 DEG C for the temperature of twin screw extruder; 2nd district: 200-220 DEG C; 3rd district: 210-230 DEG C; 4th district: 230-240 DEG C, screw speed is 150-170 rev/min.
Acid corrosion-resistant medical alloy material provided by the invention has good mechanical property, and wherein tensile strength reaches more than 63MPa, and flexural strength reaches more than 91MPa, and notched Izod impact strength reaches 12KJ/m
2above, heat-drawn wire reaches more than 102 DEG C, and elongation reaches more than 5.8%, and through test surfaces, medical alloy material provided by the invention has good corrosion resistance nature.
Embodiment
Embodiment 1
A kind of acid corrosion-resistant medical alloy material, comprise in components by weight percent: PE 50 parts, PVC 20 parts, polycarbonate 5 parts, Wickenol 111 2 parts, polyvinyl alcohol 1 part, hydroxy silicon oil 3 parts, octadecyl trimethyl ammonium chloride 0.5 part, melamino-formaldehyde resin 6 parts, stearin 1 part, magnesium hydroxide 2 parts, 2 parts, calcium carbonate, boric acid 1 part, ethyl cellulose 2 parts, ethylene-methacrylic acid copolymer 2 parts, antioxidant 10761 parts, anti ultraviolet agent 2-(the chloro-2H-benzotriazole of 5--2-base)-6 tertiary butyl-4-methyl-phenol 0.8 part, hexanaphthene 1 part, thanomin 2 parts, Triton X-100 3 parts.
The preparation method of described acid corrosion-resistant medical alloy material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, is uniformly mixed each component in mixing and blending machine, and condition is stirring velocity 300 revs/min, and churning time 30 minutes, obtains material one;
Step 3, joins in reactor by material one, is heated to 60 DEG C in ammonia atmosphere, and stirring reaction 60 minutes, obtains reactant;
Step 4, reactant to be proceeded in twin screw extruder through extruding, water-cooled, air-dry, pelletizing, obtain acid corrosion-resistant medical alloy material, wherein extrusion condition is the temperature of twin screw extruder is a district: 180 DEG C; 2nd district: 200 DEG C; 3rd district: 210 DEG C; 4th district: 230 DEG C, screw speed is 150 revs/min.
Embodiment 2
A kind of acid corrosion-resistant medical alloy material, comprise in components by weight percent: PE 53 parts, PVC 25 parts, polycarbonate 6 parts, Wickenol 111 5 parts, polyvinyl alcohol 2 parts, hydroxy silicon oil 4 parts, octadecyl trimethyl ammonium chloride 0.8 part, melamino-formaldehyde resin 8 parts, stearin 2 parts, magnesium hydroxide 4 parts, 4 parts, calcium carbonate, boric acid 2 parts, ethyl cellulose 5 parts, ethylene-methacrylic acid copolymer 3 parts, antioxidant 1010 2 parts, anti ultraviolet agent 2-(2H-benzotriazole 2-yl)-4, 6-di-tert-pentyl phenol 1.3 parts, hexanaphthene 3 parts, thanomin 3 parts, Triton X-100 5 parts.
The preparation method of described acid corrosion-resistant medical alloy material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, is uniformly mixed each component in mixing and blending machine, and condition is stirring velocity 310 revs/min, and churning time 35 minutes, obtains material one;
Step 3, joins in reactor by material one, is heated to 63 DEG C in ammonia atmosphere, and stirring reaction 70 minutes, obtains reactant;
Step 4, reactant to be proceeded in twin screw extruder through extruding, water-cooled, air-dry, pelletizing, obtain acid corrosion-resistant medical alloy material, wherein extrusion condition is the temperature of twin screw extruder is a district: 185 DEG C; 2nd district: 203 DEG C; 3rd district: 215 DEG C; 4th district: 23,2 DEG C, screw speed is 153 revs/min.
Embodiment 3
A kind of acid corrosion-resistant medical alloy material, comprise in components by weight percent: PE 55 parts, PVC 26 parts, polycarbonate 7 parts, Wickenol 111 6 parts, polyvinyl alcohol 3 parts, hydroxy silicon oil 5 parts, octadecyl trimethyl ammonium chloride 1.2 parts, melamino-formaldehyde resin 9 parts, stearin 3 parts, magnesium hydroxide 5 parts, 5 parts, calcium carbonate, boric acid 4 parts, ethyl cellulose 6 parts, ethylene-methacrylic acid copolymer 4 parts, antioxidant 1010 3 parts, anti ultraviolet agent 2-(the chloro-2H-benzotriazole of 5--2-base)-6 tertiary butyl-4-methyl-phenol 1.5 parts, hexanaphthene 4 parts, thanomin 4 parts, Triton X-100 6 parts.
The preparation method of described acid corrosion-resistant medical alloy material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, is uniformly mixed each component in mixing and blending machine, and condition is stirring velocity 330 revs/min, and churning time 45 minutes, obtains material one;
Step 3, joins in reactor by material one, is heated to 70 DEG C in ammonia atmosphere, and stirring reaction 80 minutes, obtains reactant;
Step 4, reactant to be proceeded in twin screw extruder through extruding, water-cooled, air-dry, pelletizing, obtain acid corrosion-resistant medical alloy material, wherein extrusion condition is the temperature of twin screw extruder is a district: 192 DEG C; 2nd district: 208 DEG C; 3rd district: 220 DEG C; 4th district: 236 DEG C, screw speed is 162 revs/min.
Embodiment 4
A kind of acid corrosion-resistant medical alloy material, comprise in components by weight percent: PE 57 parts, PVC 28 parts, polycarbonate 9 parts, Wickenol 111 7 parts, polyvinyl alcohol 4 parts, hydroxy silicon oil 6 parts, octadecyl trimethyl ammonium chloride 1.5 parts, melamino-formaldehyde resin 10 parts, stearin 4 parts, magnesium hydroxide 6 parts, 6 parts, calcium carbonate, boric acid 5 parts, ethyl cellulose 7 parts, ethylene-methacrylic acid copolymer 5 parts, antioxidant 1010 4 parts, anti ultraviolet agent 2-(the chloro-2H-benzotriazole of 5--2-base)-6 tertiary butyl-4-methyl-phenol 1.7 parts, hexanaphthene 5 parts, thanomin 5 parts, Triton X-100 8 parts.
The preparation method of described acid corrosion-resistant medical alloy material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, is uniformly mixed each component in mixing and blending machine, and condition is stirring velocity 340 revs/min, and churning time 46 minutes, obtains material one;
Step 3, joins in reactor by material one, is heated to 68 DEG C in ammonia atmosphere, and stirring reaction 85 minutes, obtains reactant;
Step 4, reactant to be proceeded in twin screw extruder through extruding, water-cooled, air-dry, pelletizing, obtain acid corrosion-resistant medical alloy material, wherein extrusion condition is the temperature of twin screw extruder is a district: 193 DEG C; 2nd district: 212 DEG C; 3rd district: 225 DEG C; 4th district: 236 DEG C of screw speeds are 160 revs/min.
Embodiment 5
A kind of acid corrosion-resistant medical alloy material, comprise in components by weight percent: PE 60 parts, PVC 30 parts, polycarbonate 10 parts, Wickenol 111 8 parts, polyvinyl alcohol 5 parts, hydroxy silicon oil 7 parts, octadecyl trimethyl ammonium chloride 2 parts, melamino-formaldehyde resin 12 parts, stearin 5 parts, magnesium hydroxide 6 parts, 6 parts, calcium carbonate, boric acid 5 parts, ethyl cellulose 8 parts, ethylene-methacrylic acid copolymer 6 parts, antioxidant 1010 4 parts, anti ultraviolet agent 2-(2H-benzotriazole 2-yl)-4, 6-di-tert-pentyl phenol 2 parts, hexanaphthene 6 parts, thanomin 6 parts, Triton X-100 9 parts.
The preparation method of described acid corrosion-resistant medical alloy material, comprises the following steps:
Step one, takes each component according to weight part;
Step 2, is uniformly mixed each component in mixing and blending machine, and condition is stirring velocity 350 revs/min, and churning time 50 minutes, obtains material one;
Step 3, joins in reactor by material one, is heated to 70 DEG C in ammonia atmosphere, and stirring reaction 90 minutes, obtains reactant;
Step 4, reactant to be proceeded in twin screw extruder through extruding, water-cooled, air-dry, pelletizing, obtain acid corrosion-resistant medical alloy material, wherein extrusion condition is the temperature of twin screw extruder is a district: 200 DEG C; 2nd district: 220 DEG C; 3rd district: 230 DEG C; 4th district: 240 DEG C, screw speed is 170 revs/min.
Carry out measuring mechanical property to the acid corrosion-resistant medical alloy material that above embodiment prepares, result is as follows:
| Project | Tensile strength MPa | Flexural strength MPa | Notched Izod impact strength KJ/m 2 | Heat-drawn wire DEG C | Elongation % |
| Embodiment 1 | 63 | 91 | 12 | 102 | 5.8 |
| Embodiment 2 | 68 | 98 | 16 | 105 | 7.6 |
| Embodiment 3 | 72 | 105 | 18 | 111 | 7.8 |
| Embodiment 4 | 67 | 96 | 17 | 108 | 7.5 |
| Embodiment 5 | 65 | 94 | 15 | 103 | 6.5 |
As can be seen from the above results, acid corrosion-resistant medical alloy material provided by the invention has good mechanical property, and wherein tensile strength reaches more than 63MPa, and flexural strength reaches more than 91MPa, and notched Izod impact strength reaches 12KJ/m
2above, heat-drawn wire reaches more than 102 DEG C, and elongation reaches more than 5.8%.
The material above embodiment prepared soaks 48 hours under room temperature in the sulphuric acid soln of 2mol/L, and then clean with deionized water rinsing, carry out measuring mechanical property after oven dry, result is as following table:
| Project | Tensile strength MPa | Flexural strength MPa | Notched Izod impact strength KJ/m 2 | Heat-drawn wire DEG C | Elongation % |
| Embodiment 1 | 60 | 88 | 9 | 96 | 5.2 |
| Embodiment 2 | 66 | 95 | 12 | 100 | 7.0 |
| Embodiment 3 | 71 | 101 | 15 | 104 | 7.4 |
| Embodiment 4 | 64 | 90 | 14 | 103 | 7.2 |
| Embodiment 5 | 62 | 87 | 12 | 97 | 5.8 |
As can be seen from the above results, after peracid solutions is soaked, material still has goodish physicals, compared with before immersion, properties change is little, and therefore can find out, medical alloy material provided by the invention has good mechanical property and corrosion resistance nature.
Claims (7)
1. an acid corrosion-resistant medical alloy material, it is characterized in that, comprise in components by weight percent: PE 50-60 part, PVC 20-30 part, polycarbonate 5-10 part, Wickenol 111 2-8 part, polyvinyl alcohol 1-5 part, hydroxy silicon oil 3-7 part, octadecyl trimethyl ammonium chloride 0.5-2 part, melamino-formaldehyde resin 6-12 part, stearin 1-5 part, magnesium hydroxide 2-6 part, calcium carbonate 2-6 part, boric acid 1-5 part, ethyl cellulose 2-8 part, ethylene-methacrylic acid copolymer 2-6 part, antioxidant 1-4 part, anti ultraviolet agent 0.8-2 part, hexanaphthene 1-6 part, thanomin 2-6 part, Triton X-100 3-9 part.
2. acid corrosion-resistant medical alloy material according to claim 1, it is characterized in that, comprise in components by weight percent: PE 53-57 part, PVC 25-28 part, polycarbonate 6-9 part, Wickenol 111 5-7 part, polyvinyl alcohol 2-4 part, hydroxy silicon oil 4-6 part, octadecyl trimethyl ammonium chloride 0.8-1.5 part, melamino-formaldehyde resin 8-10 part, stearin 2-4 part, magnesium hydroxide 4-6 part, calcium carbonate 4-6 part, boric acid 2-5 part, ethyl cellulose 5-7 part, ethylene-methacrylic acid copolymer 3-5 part, antioxidant 2-4 part, anti ultraviolet agent 1.3-1.7 part, hexanaphthene 3-5 part, thanomin 3-5 part, Triton X-100 5-8 part.
3. acid corrosion-resistant medical alloy material according to claim 1 and 2, is characterized in that, antioxidant is antioxidant 1010.
4. acid corrosion-resistant medical alloy material according to claim 1 and 2, it is characterized in that, anti ultraviolet agent is 2-(the chloro-2H-benzotriazole of 5--2-base)-6 tertiary butyl-4-methyl-phenol or 2-(2H-benzotriazole 2-yl)-4,6-di-tert-pentyl phenols.
5. the preparation method of the acid corrosion-resistant medical alloy 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, is uniformly mixed each component in mixing and blending machine, obtains material one;
Step 3, joins in reactor by material one, in ammonia atmosphere, be heated to 60-70 DEG C, and stirring reaction 60-90 minute, obtains reactant;
Step 4, reactant to be proceeded in twin screw extruder through extruding, water-cooled, air-dry, pelletizing, obtain acid corrosion-resistant medical alloy material.
6. the preparation method of acid corrosion-resistant medical alloy material according to claim 5, is characterized in that, the condition be uniformly mixed in step 2 is stirring velocity 300-350 rev/min, churning time 30-50 minute.
7. the preparation method of acid corrosion-resistant medical alloy material according to claim 5, is characterized in that, in step 4, extrusion condition is the temperature of twin screw extruder is a district: 180-200 DEG C; 2nd district: 200-220 DEG C; 3rd district: 210-230 DEG C; 4th district: 230-240 DEG C, screw speed is 150-170 rev/min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104710793A (en) * | 2015-03-31 | 2015-06-17 | 苏州维泰生物技术有限公司 | Medical alloy material and preparation method thereof |
| CN105111792A (en) * | 2015-08-21 | 2015-12-02 | 池州凯尔特纳米科技有限公司 | Modified calcium carbonate having good water-repellent oleophilic moisture-proof effects and preparation method thereof |
| CN105131474A (en) * | 2015-09-23 | 2015-12-09 | 江苏蓝湾生物科技有限公司 | Preparation method of medical film having sterilizing function |
| CN106243549A (en) * | 2016-07-28 | 2016-12-21 | 缪琼华 | A kind of cellulose and preparation method thereof |
| CN112011196A (en) * | 2020-08-14 | 2020-12-01 | 良德纳米粉体创新科技(安徽)有限公司 | Acid corrosion resistant calcium carbonate powder and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104710793A (en) * | 2015-03-31 | 2015-06-17 | 苏州维泰生物技术有限公司 | Medical alloy material and preparation method thereof |
| CN105111792A (en) * | 2015-08-21 | 2015-12-02 | 池州凯尔特纳米科技有限公司 | Modified calcium carbonate having good water-repellent oleophilic moisture-proof effects and preparation method thereof |
| CN105131474A (en) * | 2015-09-23 | 2015-12-09 | 江苏蓝湾生物科技有限公司 | Preparation method of medical film having sterilizing function |
| CN106243549A (en) * | 2016-07-28 | 2016-12-21 | 缪琼华 | A kind of cellulose and preparation method thereof |
| CN106243549B (en) * | 2016-07-28 | 2018-05-15 | 山东沃尔塑胶制品有限公司 | A kind of cellulose and preparation method thereof |
| CN112011196A (en) * | 2020-08-14 | 2020-12-01 | 良德纳米粉体创新科技(安徽)有限公司 | Acid corrosion resistant calcium carbonate powder and preparation method thereof |
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Application publication date: 20150225 |