CN106519320A - Method for preparing high-performance medical special rubber - Google Patents
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- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention relates to the field of pharmaceutical rubber, and discloses a method for preparing high-performance medical special rubber. A rubber material is placed in an ultraviolet irradiation reactor for surface activation, the activated rubber is pulverized and added to a surfactant solution to be heated and stirred to react, benzalkonium chloride, tributyltin fluoride, potassium pyrrolidone carboxylate and an antioxidant are added to be heated and stirred to react, and are filtered and dried to obtain a mixture, the mixture is added with graphene and a nano-inorganic fiber to be ultrasonically mixed, and then a plant source extract and lavender essential oil are added to be continuously subjected to ultrasonic reaction, and cooled to obtain the high-performance medical special rubber. The rubber material prepared by the invention has good bending strength and tensile strength, strong corrosion resistance and oxidation resistance, prolonged service life and strong antibacterial function, and infection prevention. The preparation method provided by the invention is simple and feasible, and is suitable for popularization and application in wide range.
Description
Technical field
The present invention relates to medical rubber materials, and in particular to a kind of preparation method of high-performance medicine specific rubber.
Background technology
Rubber industry is one of important foundation industry of national economy.It is indispensable that it not only provides daily life for people
The light industry rubber product such as daily, medical, and carry to the heavy industry such as digging, traffic, building, machinery, electronics and new industry
For various rubber system production equipments or rubber components.Medical grade rubber has a wide range of applications in terms of medical material, such as medical silicon
Rubber catheter, rubber hose for medical, Medical rubber plug, medical air cushion etc..Pharmaceutical rubber requires nontoxic to body, it is impossible to contain
Insalubrious material, hinder health, especially aromatics chemical productss may endanger reproductive function, sensitization,
Cause asthma, even cancer.
At present, the mechanical property of existing medical grade rubber needs further to be improved, and corrosion resistance is poor, causes its life-span
Substantially reduce, additionally, existing medical grade rubber product antibacterial effect is not ideal enough.Therefore, with medical requirement more and more higher,
For the quality requirements also more and more higher of medical grade rubber, thus be accomplished by developing one kind can high performance elastomeric material come more preferable
The application requirement for meeting medical field.
The content of the invention
In order to overcome drawbacks described above, the technical problem to be solved in the present invention to be to provide a kind of high-performance medicine specific rubber
Preparation method, the rubber have excellent mechanical performance, corrosion resistance, non-oxidizability, and sterilizing ability is strong.
In order to solve above-mentioned technical problem, the technical scheme is that：
A kind of preparation method of high-performance medicine specific rubber, comprises the steps：
（1）The elastomeric material of clean surface is placed in ultraviolet irradiation reactor, irradiation wavelengths 100-350nm, during irradiation
Between 30-60s, obtain the rubber of surface active；
（2）The surfactant solution of 2wt%-5wt% is prepared, by step（1）Surface is added to after the rubber pulverizing for obtaining
Activator solution, is heated to 60-80 DEG C of stirring reaction 10-20min, adds benzalkonium chloride, fluorination tributyl tin, ketopyrrolidine
Carboxylic acid potassium and antioxidant, are heated to 80-120 DEG C, stirring reaction 5-15min, and deionized water filtration drying obtains compound；
（3）By step（2）In the compound input ultrasonic reactor for obtaining, Graphene, the mixing of nano inorganic fiber are added
Ultrasonic 2-5min, adds Extracts from Plant Recourses, Herba Lysimachiae foenum-graeci quintessence oil, continues ultrasound 5-15min, and natural cooling obtains high-performance medicine
Specific rubber.
Preferably, the rubber be medical natural rubber, silicone rubber, isoprene rubber, nitrile rubber, in butadiene-styrene rubber one
Plant or various mixture.
Preferably, the surface modifier is polyvinylpyrrolidone, shitosan, sodium alginate, methoxypolyethylene glycol third
One or more mixture in olefin(e) acid ester.
Preferably, the Graphene is the graphene oxide that obtains after concentrated sulphuric acid acidification.
Preferably, the nano inorganic fiber is medical grade gypsum fiber, wollastonite fibre, sepiolite fibre, shepardite
One or more mixture in fiber.
Preferably, the Extracts from Plant Recourses for natural plants are size-reduced, the blending that adds water, standing, multiple filtration, vacuum it is dense
Contracting, spray drying are obtained.
Preferably, the natural plants are Aloe, Herba Menthae, Bulbus Allii, Radix Sophorae Flavescentiss, one or more mixture in Radix et Caulis Opuntiae Dillenii.
Preferably, the step（2）In each parts by weight of raw materials composition：Rubber 50-80 parts, surfactant 10-20 parts, benzene
Prick oronain 10-15 parts, fluorination tributyl tin 8-12 parts, 2-pyrrolidone-5-carboxylic acid's potassium 6-10 parts, antioxidant 5-10 parts.
Preferably, the step（3）In each parts by weight of raw materials composition：Graphene 3-8 parts, nano inorganic fiber 2-10 parts,
Extracts from Plant Recourses 1-3 parts, Herba Lysimachiae foenum-graeci quintessence oil 0.5-2 parts.
Preferably, the step（3）Middle supersonic frequency is 200-300MHz.
Compared with prior art the invention has the beneficial effects as follows：
（1）Method for preparing rubber of the present invention, carries out activation processing from ultraviolet radioactive to medical grade rubber, admixed graphite alkene and
Nano inorganic fiber, lifts the bending strength and tensile strength of rubber, with good flexibility.
（2）Method for preparing rubber of the present invention, is modified process to the rubber of activation processing from surfactant, with which
His component synergism, effectively improves the heat-resisting oxidation-resistance performance and corrosion resistance of rubber, can effectively improve which and use the longevity
Life, using the standby medical grade rubber product of rubber system of the present invention without potentially danger, further increase rubber safety and
Quality assurance.
（3）Contain natural plant extract in rubber of the present invention, the effect with bacteriostasis and sterilization sterilization can prevent sense
Dye, has important function in clinical treatment.
（4）The present invention prepare rubber it is raw materials used easily separate out without sulfur, accelerator etc. or easily pyrolytic into
Point, to medicine and tissue without potential toxicity, further increase safety and the quality assurance of rubber.
（5）Preparation method of the present invention is simple, is suitable to popularization and application on a large scale.
Specific embodiment
Below the specific embodiment of the present invention is described further.Here is it should be noted that for these enforcements
The explanation of mode is used to help understand the present invention, but does not constitute limitation of the invention.Additionally, invention described below
As long as involved technical characteristic does not constitute conflict each other and can just be mutually combined in each embodiment.
Embodiment 1
A kind of preparation method of high-performance medicine specific rubber, comprises the steps：
（1）50 weight portion medical natural rubber materials of clean surface are placed in ultraviolet irradiation reactor, irradiation wavelengths
100nm, exposure time 60s obtain the rubber of surface active；
（2）The polyvinylpyrrolidonesolution solution of 2wt% is prepared, by step（1）Polyethylene is added to after the rubber pulverizing for obtaining
Pyrrolidone solution, is heated to 60 DEG C of stirring reactions 20min, adds 10 weight portion benzalkonium chlorides, 8 weight portions fluorination tributyl
Stannum, 6 weight portion 2-pyrrolidone-5-carboxylic acid potassium and 5 weight portion antioxidant, are heated to 80 DEG C, stirring reaction 15min, deionized water mistake
It is filtered dry dry, obtains compound；
（3）By step（2）In the compound input ultrasonic reactor for obtaining, 3 parts by weight of graphite alkene, 2 weight portions doctor are added
Mix ultrasound 2min with level nanometer gypsum fiber, supersonic frequency is 300MHz；Add 1 weight portion Aloe extract, 0.5 weight
Part Herba Lysimachiae foenum-graeci quintessence oil, continues ultrasound 15min, and natural cooling obtains high-performance medicine specific rubber.
Embodiment 2
A kind of preparation method of high-performance medicine specific rubber, comprises the steps：
（1）60 weight portion medical grade silicon rubber materials of clean surface are placed in ultraviolet irradiation reactor, irradiation wavelengths
150nm, exposure time 50s obtain the rubber of surface active；
（2）The chitosan solution of 3wt% is prepared, by step（1）Chitosan solution is added to after the rubber pulverizing for obtaining, plus
Heat adds 12 weight portion benzalkonium chlorides, 10 weight portions fluorination tributyl tin, 8 weight portion pyrroles to 70 DEG C of stirring reactions 15min
Alkanone carboxylic acid potassium and 6 weight portion antioxidant, are heated to 90 DEG C, and stirring reaction 12min, deionized water filtration drying are mixed
Close material；
（3）By step（2）In the compound input ultrasonic reactor for obtaining, 5 parts by weight of graphite alkene, 4 weight portions doctor are added
Mix ultrasound 3min with level nanometer wollastonite fibre, supersonic frequency is 300MHz；Add 2 weight portion Folium Menthae extracts, 1 weight
Part Herba Lysimachiae foenum-graeci quintessence oil, continues ultrasound 12min, and natural cooling obtains high-performance medicine specific rubber.
Embodiment 3
A kind of preparation method of high-performance medicine specific rubber, comprises the steps：
（1）70 weight portions of clean surface medical isoprene rubber material is placed in ultraviolet irradiation reactor, irradiation wavelengths
200nm, exposure time 40s obtain the rubber of surface active；
（2）The sodium alginate soln of 4wt% is prepared, by step（1）Sodium alginate is added to after the rubber pulverizing for obtaining molten
Liquid, is heated to 80 DEG C of stirring reactions 10min, adds 15 weight portion benzalkonium chlorides, 12 weight portions fluorination tributyl tin, 10 weight
Part 2-pyrrolidone-5-carboxylic acid's potassium and 8 weight portion antioxidant, are heated to 100 DEG C, stirring reaction 10min, deionized water filtration drying,
Obtain compound；
（3）By step（2）In the compound input ultrasonic reactor for obtaining, 6 parts by weight of graphite alkene, 6 weight portions doctor are added
Mix ultrasound 5min with level nanometer sepiolite fibre, supersonic frequency is 200MHz；Add 3 weight portion Bulbus Allii extracts, 1.5 weights
Amount part Herba Lysimachiae foenum-graeci quintessence oil, continues ultrasound 5min, and natural cooling obtains high-performance medicine specific rubber.
Embodiment 4
A kind of preparation method of high-performance medicine specific rubber, comprises the steps：
（1）The medical nitrile rubber of 80 weight portions of clean surface is placed in ultraviolet irradiation reactor, irradiation wavelengths
350nm, exposure time 30s obtain the rubber of surface active；
（2）The methoxypolyethylene glycol acrylate solution of 5wt% is prepared, by step（1）It is added to after the rubber pulverizing for obtaining
Methoxypolyethylene glycol acrylate solution, is heated to 70 DEG C of stirring reactions 15min, adds 12 weight portion benzalkonium chlorides, 10 weights
Amount part fluorination tributyl tin, 8 weight portion 2-pyrrolidone-5-carboxylic acid potassium and 10 weight portion antioxidant, are heated to 120 DEG C, stirring reaction
5min, deionized water filtration drying, obtains compound；
（3）By step（2）In the compound input ultrasonic reactor for obtaining, 8 parts by weight of graphite alkene, 10 weight portions doctor are added
Mix ultrasound 5min with level nanometer brucite fiber, supersonic frequency is 200MHz；Add 3 weight portion Radix Sophorae Flavescentis extracts, 1 weight
Part Herba Lysimachiae foenum-graeci quintessence oil, continues ultrasound 8min, and natural cooling obtains high-performance medicine specific rubber.
Embodiment 5
A kind of preparation method of high-performance medicine specific rubber, comprises the steps：
（1）The medical styrene-butadiene rubber of 80 weight portions of clean surface is placed in ultraviolet irradiation reactor, irradiation wavelengths
250nm, exposure time 40s obtain the rubber of surface active；
（2）Polyvinylpyrrolidone, the shitosan mixed solution of 3wt% are prepared, by step（1）After the rubber pulverizing for obtaining
Mixed solution is added to, 60 DEG C of stirring reactions 20min are heated to, 10 weight portion benzalkonium chlorides, 12 weight portions fluorination three is added
Butyl tin, 8 weight portion 2-pyrrolidone-5-carboxylic acid potassium and 6 weight portion antioxidant, are heated to 100 DEG C, stirring reaction 12min, spend from
Sub- water filtration is dried, and obtains compound；
（3）By step（2）In the compound input ultrasonic reactor for obtaining, 6 parts by weight of graphite alkene, 4 weight portions doctor are added
With level nanometer gypsum fiber, 4 weight portion medical grade nanometer sepiolite fibres mixing ultrasound 3min, supersonic frequency is 300MHz；Again
1 weight portion Aloe extract, 0.5 weight portion Radix et Caulis Opuntiae Dillenii extract, 0.5 weight portion Herba Lysimachiae foenum-graeci quintessence oil are added, continues ultrasound
10min, natural cooling obtain high-performance medicine specific rubber.
Performance detection：
1 to 5 gained finished product of the embodiment of the present invention is carried out into performance test, it is as a result as follows：
Medical grade rubber of the present invention be can be seen that with stronger bending strength and tensile strength from upper table data, it is corrosion-resistant
Property it is strong, bactericidal effect is good, with this rubber system for medical supplies, is effective to ensure that drug safety, and market prospect is good, is worth pushing away
Extensively.
Embodiment to inventing is explained in detail above, but the invention is not restricted to described embodiment.For
For those skilled in the art, in the case of without departing from the principle of the invention and spirit, these embodiments are carried out various
Change, modification, replacement and modification, still fall within protection scope of the present invention.
Claims (10)
1. the preparation method of a kind of high-performance medicine specific rubber, it is characterised in that：Comprise the steps：
(1) elastomeric material of clean surface is placed in ultraviolet irradiation reactor, irradiation wavelengths 100-350nm, exposure time 30-
60s, obtains the rubber of surface active；
(2) surfactant solution of 2wt%-5wt% is prepared, surface work after the rubber pulverizing that step (1) is obtained, is added to
Property agent solution, be heated to 60-80 DEG C of stirring reaction 10-20min, add benzalkonium chloride, fluorination tributyl tin, ketopyrrolidine carboxylic
Sour potassium and antioxidant, are heated to 80-120 DEG C, stirring reaction 5-15min, and deionized water filtration drying obtains compound；
(3), in the compound input ultrasonic reactor for obtaining step (2), Graphene, nano inorganic fiber mixing ultrasound are added
2-5min, adds Extracts from Plant Recourses, Herba Lysimachiae foenum-graeci quintessence oil, continues ultrasound 5-15min, and it is extraordinary that natural cooling obtains high-performance medicine
Rubber.
2. the preparation method of high-performance according to claim 1 medicine specific rubber, it is characterised in that：The rubber is doctor
With one or more mixture in natural rubber, silicone rubber, isoprene rubber, nitrile rubber, butadiene-styrene rubber.
3. the preparation method of high-performance according to claim 1 medicine specific rubber, it is characterised in that：The surface is modified
Agent is polyvinylpyrrolidone, shitosan, sodium alginate, one or more mixture in methoxypolyethylene glycol acrylate.
4. the preparation method of high-performance according to claim 1 medicine specific rubber, it is characterised in that：The Graphene is
The graphene oxide obtained after concentrated sulphuric acid acidification.
5. the preparation method of high-performance according to claim 1 medicine specific rubber, it is characterised in that：The nano inorganic
Fiber is medical grade gypsum fiber, wollastonite fibre, sepiolite fibre, one or more mixture in brucite fiber.
6. the preparation method of high-performance according to claim 1 medicine specific rubber, it is characterised in that：The plant source is carried
Take thing for natural plants are size-reduced, it is the blending that adds water, standings, multiple filtration, concentrated in vacuo, spray drying acquisition.
7. the preparation method of high-performance according to claim 6 medicine specific rubber, it is characterised in that：The natural plants
For one or more mixture in Aloe, Herba Menthae, Bulbus Allii, Radix Sophorae Flavescentiss, Radix et Caulis Opuntiae Dillenii.
8. the preparation method of high-performance according to claim 1 medicine specific rubber, it is characterised in that：The step (2)
In each parts by weight of raw materials composition：Rubber 50-80 parts, surfactant 10-20 parts, benzalkonium chloride 10-15 parts, fluorination tributyl tin
8-12 parts, 2-pyrrolidone-5-carboxylic acid's potassium 6-10 parts, antioxidant 5-10 parts.
9. the preparation method of high-performance according to claim 1 medicine specific rubber, it is characterised in that：The step (3)
In each parts by weight of raw materials composition：Graphene 3-8 parts, nano inorganic fiber 2-10 parts, Extracts from Plant Recourses 1-3 parts, lavandula angustifolia essence
Oily 0.5-2 parts.
10. the preparation method of high-performance according to claim 1 medicine specific rubber, it is characterised in that：The step (3)
Middle supersonic frequency is 200-300MHz.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312188A (en) * | 2017-08-02 | 2017-11-03 | 四川大学 | A kind of porous silicone rubber film of graphene-containing and its production and use |
| CN107573545A (en) * | 2017-07-28 | 2018-01-12 | 安徽众康药业有限公司 | Far infrared plaster for dispersing swelling matrix of subsensitivety and preparation method thereof |
| CN112266504A (en) * | 2020-09-18 | 2021-01-26 | 河北橡一医药科技股份有限公司 | Medical rubber and preparation method thereof |
| CN112812381A (en) * | 2020-12-28 | 2021-05-18 | 河北橡一医药科技股份有限公司 | Medical special rubber and preparation method thereof |
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| CN101974174A (en) * | 2010-10-22 | 2011-02-16 | 中国热带农业科学院农产品加工研究所 | Method for preparing sterilization and inflammation reducing condom containing natural aloe extract |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107573545A (en) * | 2017-07-28 | 2018-01-12 | 安徽众康药业有限公司 | Far infrared plaster for dispersing swelling matrix of subsensitivety and preparation method thereof |
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| CN112266504A (en) * | 2020-09-18 | 2021-01-26 | 河北橡一医药科技股份有限公司 | Medical rubber and preparation method thereof |
| CN112812381A (en) * | 2020-12-28 | 2021-05-18 | 河北橡一医药科技股份有限公司 | Medical special rubber and preparation method thereof |
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