CN107987402A - A kind of medical clear acrylic of resistance to electron beam irradiation and preparation method thereof - Google Patents
A kind of medical clear acrylic of resistance to electron beam irradiation and preparation method thereof Download PDFInfo
- Publication number
- CN107987402A CN107987402A CN201711428751.3A CN201711428751A CN107987402A CN 107987402 A CN107987402 A CN 107987402A CN 201711428751 A CN201711428751 A CN 201711428751A CN 107987402 A CN107987402 A CN 107987402A
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- Prior art keywords
- resistance
- clear acrylic
- electron beam
- beam irradiation
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
- C08L2207/14—Amorphous or atactic polypropylene
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention provides a kind of medical clear acrylic of resistance to electron beam irradiation, it is made of the component of following parts by weight：100 parts of transparent polypropylene base-material, resistance to 2 10 parts of master batch of irradiation, 0.2 0.5 parts of heat stabilizer, the clear acrylic is atactic copolymerized polypropene basis material, light transmittance is 85% 86%, melt index is 2 6g/10min, the resistance to irradiation master batch is the master batch of resistance to irradiation made after by group amines stabilizer and UV screeners compounding with PP, and the heat stabilizer is AE1010, the one or more in 168；Clear acrylic proposed by the invention can effectively prevent Yellowing, and transparency is high, it is non-discolouring the advantages that.
Description
Technical field
The invention belongs to medical material preparing technical field, and in particular to medical transparent poly- the third of a kind of resistance to electron beam irradiation
Alkene material and preparation method thereof.
Background technology
The advantages of widely used ethylene oxide sterilizing of medical instrument, this method is to kill all microorganisms, but epoxy
Ethane is a kind of high inflammable, petroleum base gas, mutagenesis and metacarcinogen, not only there is great safety in process of manufacture
Hidden danger, also there is pollution environment, the harmful chemical substance of residual, the cycle is long the shortcomings of.Using electron beam irradiation pair
Medical instrument, which carries out follpet, that pollution-free, noresidue, cycle are short, World Developed Countries widely used radiation at present
Sterilization medical instrument, dosage are generally 25KGy.
Irradiation sterilization is the trend of medical treatment consumptive materials future development, but high molecular material has xanthochromia to show after sterilizing
As.It is that medical grade polypropylene has Yellowing afterwards by electron beam irradiation mostly on the market.There is radiotolerant polypropylene material
Also there is Yellowing under high dosage irradiation, and be not mostly transparent polypropylene, transparency is low.
The content of the invention
The present invention is directed to the shortcomings of the prior art, there is provided medical transparent poly- the third of a kind of resistance to electron beam irradiation
Alkene material and preparation method thereof, the material have that transparency is high, yellowing-resistant phenomenon, it is non-discolouring the advantages that.
The purpose of the present invention is what is realized in the following manner：
The present invention provides a kind of medical clear acrylic of resistance to electron beam irradiation, it by following parts by weight component system
Into：100 parts of transparent polypropylene base-material, resistance to 2-10 parts of master batch of irradiation, 0.2-0.5 parts of heat stabilizer.
A kind of medical clear acrylic of above-mentioned resistance to electron beam irradiation, it is made of the component of following parts by weight：Thoroughly
Bright 100 parts of polypropylene base-material, resistance to 3 parts of master batch of irradiation, 0.3 part of heat stabilizer.
A kind of medical clear acrylic of above-mentioned resistance to electron beam irradiation, the clear acrylic are random copolymerization
Polypropylene matrix material, light transmittance 85%-86%, melt index 2-6g/10min.
A kind of medical clear acrylic of above-mentioned resistance to electron beam irradiation, the resistance to irradiation master batch is to be stablized by histamine class
The master batch of resistance to irradiation made after agent and UV screeners compounding with PP.
A kind of medical clear acrylic of above-mentioned resistance to electron beam irradiation, the heat stabilizer is AE1010, in 168
It is one or more.
According to a kind of preparation method of the medical clear acrylic of above-mentioned resistance to electron beam irradiation, it comprises the following steps：
（1）Transparent polypropylene base-material, resistance to irradiation master batch and heat stabilizer are put into kneading machine, is kneaded uniformly obtains at normal temperatures
Mixture a；
（2）By step（1）In obtained mixture a add in adapted good dual-screw pelletizer device, carry out blended melting
Obtain mixture b；
（3）By step（2）In obtained mixture b through supercooled water pelletizing, that is, obtain finished product.
Step（1）The control of kneading machine rotating speed is 900 ~ 1200rpm in middle mixing process, and mixing time is 6 ~ 20min.
Step（2）Middle dual-screw pelletizer rotating speed control is 45-55rpm, and feeding temperature is 100-120 DEG C, melting temperature
For 160-180 DEG C, transportation section temperature is 185-190 DEG C
Step（3）The water temperature control of middle cooling water is 5-10 DEG C.
Compared with prior art, beneficial effects of the present invention：
1. light transmittance is constant, will not decline because of the addition of auxiliary agent, light transmittance；
2. after the irradiation of 30KGy electron-beam doses, modified polypropylene material yellowness index is less than 1, belongs to constant scope；
3. after the irradiation of 30KGy electron-beam doses, the mechanical property of modified polypropylene material is without significant change.
Embodiment
Embodiment 1：
The present invention provides a kind of medical clear acrylic of resistance to electron beam irradiation, it by following parts by weight component system
Into：100 parts of transparent polypropylene base-material, resistance to 2-10 parts of master batch of irradiation, 0.2-0.5 parts of heat stabilizer, the clear acrylic
For atactic copolymerized polypropene basis material, light transmittance 85%-86%, melt index 2-6g/10min, the master batch of resistance to irradiation
For the master batch of resistance to irradiation made after by group amines stabilizer and UV screeners compounding with PP, the heat stabilizer is AE1010,168
In one or more.
The preparation method of the medical clear acrylic of the resistance to electron beam irradiation, it comprises the following steps：
（1）Transparent polypropylene base-material, resistance to irradiation master batch and heat stabilizer are put into kneading machine, is kneaded uniformly obtains at normal temperatures
Mixture a；
（2）By step（1）In obtained mixture a add in adapted good dual-screw pelletizer device, carry out blended melting
Obtain mixture b；
（3）By step（2）In obtained mixture b through supercooled water pelletizing, that is, obtain finished product, gained finished-product material be subjected to thing
Rationality energy, chemical property, biological property detection, acquired results are listed in Table 1 below.
Embodiment 2：
The present invention provides a kind of medical clear acrylic of resistance to electron beam irradiation, it by following parts by weight component system
Into：100 parts of transparent polypropylene base-material, resistance to 2 parts of master batch of irradiation, 0.2 part of heat stabilizer, the clear acrylic are random common
Poly- polypropylene matrix material, light transmittance 85%-86%, melt index 2-6g/10min, the resistance to irradiation master batch is by histamine
The master batch of resistance to irradiation made after class stabilizer and UV screeners compounding with PP, the heat stabilizer is AE1010.
The preparation method of the medical clear acrylic of the resistance to electron beam irradiation, it comprises the following steps：
（1）Transparent polypropylene base-material, resistance to irradiation master batch and heat stabilizer are put into kneading machine, is kneaded uniformly obtains at normal temperatures
Mixture a；
（2）By step（1）In obtained mixture a add in adapted good dual-screw pelletizer device, carry out blended melting
Obtain mixture b；
（3）By step（2）In obtained mixture b through supercooled water pelletizing, that is, obtain finished product, that is, obtain finished product, by gained into
Product material carries out physical property, chemical property, biological property detection, and acquired results are listed in Table 1 below.
Embodiment 3：
The present invention provides a kind of medical clear acrylic of resistance to electron beam irradiation, it by following parts by weight component system
Into：100 parts of transparent polypropylene base-material, resistance to 10 parts of master batch of irradiation, 0.5 part of heat stabilizer, the clear acrylic is random
Copolymer polypropylene basis material, light transmittance 85%-86%, melt index 2-6g/10min, the resistance to irradiation master batch is by group
The master batch of resistance to irradiation made after amines stabilizer and UV screeners compounding with PP, the heat stabilizer are 168.
The preparation method of the present invention is same as Example 2, and gained finished-product material is carried out physical property, chemical property, life
Physical performance detects, and acquired results are listed in Table 1 below.
Embodiment 4：
The present invention provides a kind of medical clear acrylic of resistance to electron beam irradiation, it by following parts by weight component system
Into：100 parts of transparent polypropylene base-material, resistance to 6 parts of master batch of irradiation, 0.3 part of heat stabilizer, the clear acrylic are random common
Poly- polypropylene matrix material, light transmittance 85%-86%, melt index 2-6g/10min, the resistance to irradiation master batch is by histamine
The master batch of resistance to irradiation made after class stabilizer and UV screeners compounding with PP, the heat stabilizer is AE1010.
The preparation method of the present invention is same as Example 2, and gained finished-product material is carried out physical property, chemical property, life
Physical performance detects, and acquired results are listed in Table 1 below.
The physical property of 1 material of table, chemical property, biological property.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (9)
- A kind of 1. medical clear acrylic of resistance to electron beam irradiation, it is characterised in that it by following parts by weight component system Into：100 parts of transparent polypropylene base-material, resistance to 2-5 parts of master batch of irradiation, 0.2-0.5 parts of heat stabilizer.
- A kind of 2. medical clear acrylic of resistance to electron beam irradiation according to claim 1, it is characterised in that it by The component of following parts by weight is made：100 parts of transparent polypropylene base-material, resistance to 3 parts of master batch of irradiation, 0.3 part of heat stabilizer.
- 3. the medical clear acrylic of a kind of resistance to electron beam irradiation according to claim 1, it is characterised in that described Clear acrylic is atactic copolymerized polypropene basis material, light transmittance 85%-86%, melt index 2-6g/10min.
- 4. the medical clear acrylic of a kind of resistance to electron beam irradiation according to claim 1, it is characterised in that described Resistance to irradiation master batch is the master batch of resistance to irradiation made after by group amines stabilizer and UV screeners compounding with PP.
- 5. the medical clear acrylic of a kind of resistance to electron beam irradiation according to claim 1, it is characterised in that described Heat stabilizer is AE1010, the one or more in 168.
- 6. a kind of preparation method of the medical clear acrylic of resistance to electron beam irradiation according to claim 1, it is special Sign is that it comprises the following steps：Transparent polypropylene base-material, resistance to irradiation master batch and heat stabilizer are put into kneading machine, is kneaded uniformly is mixed at normal temperatures Compound a；By step（1）In obtained mixture a add in adapted good dual-screw pelletizer device, carry out blended melting and obtain Mixture b；By step（2）In obtained mixture b through supercooled water pelletizing, that is, obtain finished product.
- 7. a kind of preparation method of the medical clear acrylic of resistance to electron beam irradiation according to claim 6, it is special Sign is step（1）The control of kneading machine rotating speed is 900 ~ 1200rpm in middle mixing process, and mixing time is 6 ~ 20min.
- 8. a kind of preparation method of the medical clear acrylic of resistance to electron beam irradiation according to claim 6, it is special Sign is step（2）Middle dual-screw pelletizer rotating speed control is 45-55rpm, and feeding temperature is 100-120 DEG C, and melting temperature is 160-180 DEG C, transportation section temperature is 185-190 DEG C.
- 9. a kind of preparation method of the medical clear acrylic of resistance to electron beam irradiation according to claim 6, it is special Sign is step（3）The water temperature control of middle cooling water is 5-10 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428751.3A CN107987402A (en) | 2017-12-26 | 2017-12-26 | A kind of medical clear acrylic of resistance to electron beam irradiation and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428751.3A CN107987402A (en) | 2017-12-26 | 2017-12-26 | A kind of medical clear acrylic of resistance to electron beam irradiation and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107987402A true CN107987402A (en) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711428751.3A Pending CN107987402A (en) | 2017-12-26 | 2017-12-26 | A kind of medical clear acrylic of resistance to electron beam irradiation and preparation method thereof |
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| CN (1) | CN107987402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511489A (en) * | 2019-09-06 | 2019-11-29 | 河南驼人医疗器械研究院有限公司 | A kind of high-performance radiation resistance polypropylene dedicated material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54114553A (en) * | 1978-02-15 | 1979-09-06 | Borg Warner | Biss*piperidinyl*pentite |
| JPS58103541A (en) * | 1981-12-16 | 1983-06-20 | Toa Nenryo Kogyo Kk | Padiation-resistant polyolefin composition |
| CN1052315A (en) * | 1989-12-06 | 1991-06-19 | 三井东压化学株式会社 | Radiation-resistant polypropylene resin composition |
| CN102108152A (en) * | 2009-12-25 | 2011-06-29 | 上海普利特复合材料股份有限公司 | Polypropylene (PP) composition with low dispersion property and excellent light ageing resistance |
-
2017
- 2017-12-26 CN CN201711428751.3A patent/CN107987402A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54114553A (en) * | 1978-02-15 | 1979-09-06 | Borg Warner | Biss*piperidinyl*pentite |
| JPS58103541A (en) * | 1981-12-16 | 1983-06-20 | Toa Nenryo Kogyo Kk | Padiation-resistant polyolefin composition |
| CN1052315A (en) * | 1989-12-06 | 1991-06-19 | 三井东压化学株式会社 | Radiation-resistant polypropylene resin composition |
| CN102108152A (en) * | 2009-12-25 | 2011-06-29 | 上海普利特复合材料股份有限公司 | Polypropylene (PP) composition with low dispersion property and excellent light ageing resistance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511489A (en) * | 2019-09-06 | 2019-11-29 | 河南驼人医疗器械研究院有限公司 | A kind of high-performance radiation resistance polypropylene dedicated material and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180504 |