CN106221169A - A kind of preparation method of high temperature resistant medical package material - Google Patents
A kind of preparation method of high temperature resistant medical package material Download PDFInfo
- Publication number
- CN106221169A CN106221169A CN201610612760.7A CN201610612760A CN106221169A CN 106221169 A CN106221169 A CN 106221169A CN 201610612760 A CN201610612760 A CN 201610612760A CN 106221169 A CN106221169 A CN 106221169A
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- China
- Prior art keywords
- high temperature
- preparation
- temperature resistant
- medical package
- resistant medical
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses the preparation method of a kind of high temperature resistant medical package material, first by PE, modified PC and barium stearate are uniformly mixed in mixing and blending machine, obtain mixed material one；Then in mixed material one, add antioxidant, Pulvis Talci, Polyethylene Glycol, be uniformly mixed, obtain mixed material two；Finally by mixed material two extrusion molding in double screw extruder, obtain high temperature resistant medical package material.The preparation method that the present invention provides further increases mechanical performance and the heat-resisting quantity of the product finally given.
Description
Technical field
The invention belongs to field of medical materials, be specifically related to the preparation method of a kind of high temperature resistant medical package material.
Background technology
Polyethylene (polyethylene is called for short PE) is the aggregated prepared a kind of thermoplastic resin of ethylene.In industry
On, also include the copolymer of ethylene and a small amount of alpha-olefin.Polyethylene odorless, nontoxic, feel ceraceous, there is excellent lower temperature resistance
Energy (minimum use temperature is up to-100 DEG C), chemical stability is good, and the erosion being resistant to most of soda acid (is weak to have oxidizing property
Acid).
Merlon English name is Polycarbonate, is called for short PC, for amorphism thermoplastic.It is a class
Macromolecular compound containing structural carbonate and the general name of various materials prepared based on it in strand.By molecule
In structure, institute's band ester group difference can be divided into several big classes such as aliphatic, alicyclic, aromatic series and aliphatic-aromatic race.And with bis-phenol
A type polycarbonate is most important, and molecular weight is usually 3-10 ten thousand.
Above material has various excellent performance due to it at present, thus is widely used in every field, is prepared as
Different products, but for special dimension or particular service requirement, under the conditions of high temperature, soda acid etc., above material is accomplished by
Carry out the most composite modified, use requirement could be met.And develop rapidly now with market, the requirement for material is also got over
Come the highest, it is therefore desirable to technical staff constantly researchs and develops the composite with excellent properties.
Summary of the invention
It is an object of the invention to provide a kind of high temperature resistant medical package material to overcome above the deficiencies in the prior art
The preparation method of material, improves mechanical performance and the heat-resisting quantity of material further.
Technical scheme is as follows:
A kind of preparation method of high temperature resistant medical package material, including following preparation process:
Step one, by PE 5-10 part in parts by weight, modified PC 20-30 part and barium stearate 1-3 part are in mixing and blending machine
In be uniformly mixed, obtain mixed material one；
Step 2, adds antioxidant 0.5-1 part, Pulvis Talci 0.3-0.5 part, Polyethylene Glycol 2-6 part, stirring in mixed material one
Mix homogeneously, obtains mixed material two；
Step 3, by mixed material two extrusion molding in double screw extruder, obtains high temperature resistant medical package material.
The preparation method of described high temperature resistant medical package material, the mixing speed being uniformly mixed in step one is
100-120 rev/min, mixing time 30-40 minute.
The preparation method of described high temperature resistant medical package material, in step one, the preparation method of modified PC is will be with weight
PC 20-30 part of part meter, then proceeds in reactor, adds Polyethylene Glycol 5-10 part, wooden calcium sulfonate's 0.2-0.8 part and horse
Carry out amic acid 2-3 part, be heated to 70-80 DEG C under vacuum, stir 50-80 minute, then keep vacuum and be cooled to
60-65 DEG C, add 2-phosphonic acid butane-1,2,4-tricarboxylic acids 0.5-2 parts, continue stirring 30-50 minute, obtain modified PC.
The preparation method of described high temperature resistant medical package material, in step 2, antioxidant is antioxidant BHT.
The preparation method of described high temperature resistant medical package material, in step 2, Polyethylene Glycol is PEG400.
The preparation method of described high temperature resistant medical package material, in step 3, extrusion molding condition is extrusion temperature 170-
185℃。
The high temperature resistant medical package material that the method that the present invention provides prepares has good mechanical performance and resistance to height
Warm nature energy, wherein hot strength has reached more than 189MPa, and heat distortion temperature has reached more than 163 DEG C, and notch impact strength reaches
To 256 KJ/m2Above, due to the fact that introducing modified PC greatly enhances product heat-resisting quantity simultaneously.
Detailed description of the invention:
In following example, the preparation method of the modified PC used is as follows:
By PC 20-30 part in parts by weight, then proceed in reactor, add Polyethylene Glycol 5-10 part, wooden calcium sulfonate
0.2-0.8 part and maleamic acid 2-3 part, be heated to 70-80 DEG C under vacuum, stirs 50-80 minute, then keeps true
Reciprocal of duty cycle is also cooled to 60-65 DEG C, adds 2-phosphonic acid butane-1,2,4-tricarboxylic acids 0.5-2 parts, continues stirring 30-50 minute,
To modified PC.
Embodiment 1
A kind of preparation method of high temperature resistant medical package material, including following preparation process:
Step one, by PE 5 parts in parts by weight, modified PC 20 parts and barium stearate 1 part stir mixed in mixing and blending machine
Closing uniformly, mixing speed is 100 revs/min, mixing time 30 minutes, obtains mixed material one；
Step 2, adds antioxidant BHT 0.5 part, Pulvis Talci 0.3 part, PEG400 2 parts, stirring in mixed material one
Mix homogeneously, obtains mixed material two；
Step 3, by mixed material two extrusion molding in double screw extruder, extrusion temperature 170-185 DEG C, obtains high temperature resistant
Medical package material.
Embodiment 2
A kind of preparation method of high temperature resistant medical package material, including following preparation process:
Step one, by PE 6 parts in parts by weight, modified PC 23 parts and barium stearate 2 parts stir mixed in mixing and blending machine
Closing uniformly, mixing speed is 105 revs/min, mixing time 34 minutes, obtains mixed material one；
Step 2, adds antioxidant BHT 0.6 part, Pulvis Talci 0.4 part, PEG400 3 parts, stirring in mixed material one
Mix homogeneously, obtains mixed material two；
Step 3, by mixed material two extrusion molding in double screw extruder, extrusion temperature 170-185 DEG C, obtains high temperature resistant
Medical package material.
Embodiment 3
A kind of preparation method of high temperature resistant medical package material, including following preparation process:
Step one, by PE 7 parts in parts by weight, modified PC 28 parts and barium stearate 2 parts stir mixed in mixing and blending machine
Closing uniformly, mixing speed is 110 revs/min, mixing time 36 minutes, obtains mixed material one；
Step 2, adds antioxidant BHT 0.8 part, Pulvis Talci 0.4 part, PEG400 5 parts, stirring in mixed material one
Mix homogeneously, obtains mixed material two；
Step 3, by mixed material two extrusion molding in double screw extruder, extrusion temperature 170-185 DEG C, obtains high temperature resistant
Medical package material.
Embodiment 4
A kind of preparation method of high temperature resistant medical package material, including following preparation process:
Step one, by PE 10 parts in parts by weight, modified PC 30 parts and barium stearate 3 parts stir mixed in mixing and blending machine
Closing uniformly, mixing speed is 120 revs/min, mixing time 40 minutes, obtains mixed material one；
Step 2, adds antioxidant BHT 1 part, Pulvis Talci 0.5 part, PEG400 6 parts in mixed material one, and stirring is mixed
Close uniformly, obtain mixed material two；
Step 3, by mixed material two extrusion molding in double screw extruder, extrusion temperature 170-185 DEG C, obtains high temperature resistant
Medical package material.
Reference examples
A kind of preparation method of high temperature resistant medical package material, including following preparation process:
Step one, stirs mixing all in mixing and blending machine by PE 7 parts in parts by weight, PC 28 parts and barium stearate 2 parts
Even, mixing speed is 110 revs/min, and mixing time 36 minutes obtains mixed material one；
Step 2, adds antioxidant BHT 0.8 part, Pulvis Talci 0.4 part, PEG400 5 parts, stirring in mixed material one
Mix homogeneously, obtains mixed material two；
Step 3, by mixed material two extrusion molding in double screw extruder, extrusion temperature 170-185 DEG C, obtains high temperature resistant
Medical package material.
The high temperature resistant medical package material preparing above example and reference examples carries out performance test, the most such as
Under:
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Reference examples |
| Hot strength (MPa) | 189 | 195 | 198 | 193 | 192 |
| Heat distortion temperature (DEG C) | 163 | 165 | 166 | 164 | 135 |
| Notch impact strength/KJ/m2 | 256 | 258 | 261 | 259 | 227 |
As can be seen from the above results, the high temperature resistant medical package material that the method that the present invention provides prepares has good
Mechanical performance and resistance to elevated temperatures, wherein hot strength has reached more than 189MPa, and heat distortion temperature has reached more than 163 DEG C,
Notch impact strength has reached 256 KJ/m2Above；And reference examples is the checking test carried out on the basis of embodiment 3, its
In do not use the modified PC of the present invention, but have employed common unmodified PC material, it can be seen that final products thermal deformation
Temperature declines notable, and notch impact strength also has certain decline simultaneously, it can be said that bright, the modified PC material of present invention offer
Serve the effect improving product heat-resisting quantity with mechanical performance.
Claims (6)
1. the preparation method of a high temperature resistant medical package material, it is characterised in that include following preparation process:
Step one, by PE 5-10 part in parts by weight, modified PC 20-30 part and barium stearate 1-3 part are in mixing and blending machine
In be uniformly mixed, obtain mixed material one；
Step 2, adds antioxidant 0.5-1 part, Pulvis Talci 0.3-0.5 part, Polyethylene Glycol 2-6 part, stirring in mixed material one
Mix homogeneously, obtains mixed material two；
Step 3, by mixed material two extrusion molding in double screw extruder, obtains high temperature resistant medical package material.
The preparation method of high temperature resistant medical package material the most according to claim 1, it is characterised in that stir in step one
The mixing speed of mix homogeneously is 100-120 rev/min, mixing time 30-40 minute.
The preparation method of high temperature resistant medical package material the most according to claim 1, it is characterised in that change in step one
Property PC preparation method be by PC 20-30 part in parts by weight, then proceed in reactor, add Polyethylene Glycol 5-10 part,
Wooden calcium sulfonate's 0.2-0.8 part and maleamic acid 2-3 part, be heated to 70-80 DEG C under vacuum, stirs 50-80 minute,
Then keep vacuum and be cooled to 60-65 DEG C, adding 2-phosphonic acid butane-1,2,4-tricarboxylic acids 0.5-2 parts, continue stirring
30-50 minute, obtain modified PC.
The preparation method of high temperature resistant medical package material the most according to claim 1, it is characterised in that antioxygen in step 2
Agent is antioxidant BHT.
The preparation method of high temperature resistant medical package material the most according to claim 1, it is characterised in that poly-second in step 2
Glycol is PEG400.
The preparation method of high temperature resistant medical package material the most according to claim 1, it is characterised in that extrude in step 3
Condition of molding is extrusion temperature 170-185 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610612760.7A CN106221169A (en) | 2016-07-29 | 2016-07-29 | A kind of preparation method of high temperature resistant medical package material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610612760.7A CN106221169A (en) | 2016-07-29 | 2016-07-29 | A kind of preparation method of high temperature resistant medical package material |
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| Publication Number | Publication Date |
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| CN106221169A true CN106221169A (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610612760.7A Pending CN106221169A (en) | 2016-07-29 | 2016-07-29 | A kind of preparation method of high temperature resistant medical package material |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104371171A (en) * | 2014-11-07 | 2015-02-25 | 苏州维泰生物技术有限公司 | Medical high-temperature-resistant antistatic film and preparation method thereof |
| CN105153333A (en) * | 2015-10-14 | 2015-12-16 | 华北石油管理局总医院 | Preparation method of polyvinyl for medicine packaging |
-
2016
- 2016-07-29 CN CN201610612760.7A patent/CN106221169A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104371171A (en) * | 2014-11-07 | 2015-02-25 | 苏州维泰生物技术有限公司 | Medical high-temperature-resistant antistatic film and preparation method thereof |
| CN105153333A (en) * | 2015-10-14 | 2015-12-16 | 华北石油管理局总医院 | Preparation method of polyvinyl for medicine packaging |
Non-Patent Citations (2)
| Title |
|---|
| 卓昌明: "《塑料应用技术手册》", 31 May 2013, 机械工业出版社 * |
| 高峡等: "《食品接触材料化学成分与安全》", 30 April 2014, 北京科学技术出版社 * |
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