CN101508808B - Biological medical large transfusion soft bag connector material and preparation thereof - Google Patents
Biological medical large transfusion soft bag connector material and preparation thereof Download PDFInfo
- Publication number
- CN101508808B CN101508808B CN2009100378052A CN200910037805A CN101508808B CN 101508808 B CN101508808 B CN 101508808B CN 2009100378052 A CN2009100378052 A CN 2009100378052A CN 200910037805 A CN200910037805 A CN 200910037805A CN 101508808 B CN101508808 B CN 101508808B
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- China
- Prior art keywords
- soft bag
- bag connector
- connector material
- biological medical
- large transfusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses a large infusion soft bag connector material for biomedicine, a preparation method and application thereof. The preparation method of the large infusion soft bag connector material for biomedicine is as follows, evenly mixing 30 to 80 portions of polypropylene, 10 to 30 portions of polyethylene and 10 to 40 portions of elastomer; adding the mixture to an extruding machine at the velocity of 30-70rpm and the temperature of 150-200 DEG C; extruding the mixture at the rate of 200-500rpm; water cooling, drying and pelletizing, thus obtaining the large infusion soft bag connector material for biomedicine of the invention. The invention has the advantages of the low melting point of 130-140 DEG C and the easy welding with a soft bag film. The invention is characterized in reasonable formula, low cost, simple process and easy application to mass production in clean workshops. The invention has good processability and the injection molding cycle is not affected.
Description
Technical field
The invention belongs to high polymer material technology method field, particularly a kind of biological medical large transfusion soft bag connector material and preparation method thereof.
Background technology
At present, about 32,000,000,000 bottles of the output of global infusion solutions medicine, Chinese output is 8,000,000,000 bottles, accounts for about 25% of global ultimate production, is the big producing country of infusion solutions medicine.Although the production of the infusion solutions medicine of China allows of no optimist to pharmaceutical packing occuping prostatitis, the world aspect the amount.Common infusion preparation packing has following three kinds: vial, Plastic Bottle and plastics bag.
There are a lot of problems in glass bottle packaging, and complex manufacturing has increased the chance of liquid medicine contamination; The vial cracky causes mould contamination; Additive in the plug and glass material lose particulate matter molten and that buffings splits away off when medicine is taken out in puncture in soup can block the blood of human body circulation, can cause that also thrombocytolysis is hemorrhage.In addition, be the semi open model system during owing to transfusion, must produce pressure to the solution introducing air through vent line during transfusion, koniology and microorganism advance people's vial thus and pollute transfusion.
Big infusion soft bag has the soft bag of PVC in early days, but is eliminated because of there being softening agent etc. easily to separate out, multi-layer co-extruded compound soft bag of the right and wrong PVC that current use is more.The multi-layer co-extruded compound soft bag of non-PVC is made of combination cover (enclosing cover, gasket and inner cap), linker (intermediate that promptly is connected combination cover and mantle) and mantle, and other material is generally based on polypropylene except that gasket.Because soft bag film relates to multi-layer co-extruded material, structure is special, the technical difficulty height, thereby substantially all adopt the import material, linker then utilizes the domestic existing medical grade polypropylene to prepare gradually, yet these medical grade polypropylene are mainly used to prepare medical products such as syringe, its fusing point is generally 145～160 ℃, and the fusing point of the soft bag of import film mesonexine main body generally has only 121～130 ℃, thereby linker and soft bag film when occurring being heated easily when welding film integrally fused but the linker surface does not still have complete fusion, thereby the situation of weld film breakage takes place.
Summary of the invention
The shortcoming that the objective of the invention is to overcome prior art is with not enough, provide a kind of fusing point low, be 130～140 ℃ biological medical large transfusion soft bag connector material.Described biological medical large transfusion soft bag connector material can reduce welding temperature or shorten weld interval under original welding temperature, improves the welding fastness.
Another object of the present invention is to provide the preparation method of above-mentioned biological medical large transfusion soft bag connector material.
Purpose of the present invention is achieved through the following technical solutions: a kind of biological medical large transfusion soft bag connector material is grouped into by following one-tenth by mass parts:
30～80 parts of polypropylene
10～30 parts of polyethylene
10～40 parts on elastomerics.
Described polypropylene only contains propylene or comprises quality percentage composition≤5% of ethene, and its melting index (MI) under 190 ℃ and 2160g condition is 5～30g/10min.
Described polyethylene is a linear low density polyethylene, is made up of a kind of alpha-olefin of ethene and quality percentage composition≤7%, and its melting index (MI) under 190 ℃ and 2160g condition is 7～15g/10min.
Described alpha-olefin is a 1-butylene, 1-hexene or 1-octene.
Described elastomerics density is 0.86～0.90g/cm
3, melting index (MI) is 5～30g/10min under 190 ℃ and 2160g condition.
Described elastomerics is that density is 0.86～0.90g/cm
3, melting index (MI) is ethylene propylene copolymer, ethylene-butylene copolymer, ethene hexene copolymer, POE, propylene ethylene copolymers, propylene butene multipolymer, propylene octene copolymer, ethylene-propylene-diene multi-olefin copolymer a kind of of 5～30g/10min or at least two kinds mixture under 190 ℃ and 2160g condition.
A kind of preparation method of biological medical large transfusion soft bag connector material comprises the steps:
A, polypropylene 30～80 mass parts, polyethylene 10～30 mass parts and elastomerics 10～40 mass parts are mixed;
B, mixture mix the back and add in the forcing machine with 30～70rpm speed under 150～200 ℃, extrude with 200～500rpm speed again, and water-cooled, drying, pelletizing obtains described biological medical large transfusion soft bag connector material.
The fusing point of described biological medical large transfusion soft bag connector material is 130～140 ℃, and melting index (MI) is 7～20g/10min under 190 ℃ and 2160g condition.
Described biological medical large transfusion soft bag connector material is applied to medical package material field.
Described biological medical large transfusion soft bag connector material can be directly by adjusting Shooting Technique, the preparation biological medical large transfusion soft bag connector.
The present invention has following advantage and effect with respect to prior art:
A, the present invention are based on homemade polypropylene material, homemade polypropylene material is increased gentle toughening modifying, the biological medical large transfusion soft bag connector material fusing point that obtains low (being 130～140 ℃), approaching with soft bag film mesonexine material of main part fusing point (being 121～130 ℃), therefore, the welding temperature of metallic interconnect materials and soft bag film mesonexine can correspondingly reduce, and the welding fastness ensures that more the outward appearance of face of weld is more attractive in appearance.
B, the present invention fill a prescription rationally, and it is proper to arrange in pairs or groups, and the whole physical parameter of the metallic interconnect materials that obtains is approaching with similar imported materials and items, but cost value can reduce half.
C, technology of the present invention are simple, realize scale operation easily in dust proof workshop.
D, processibility of the present invention are good, do not influence the linker injection molding cycle.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited thereto.
Embodiment 1
(ethylene content is a quality percentage composition 3% with polypropylene, MI is 5g/10min under 190 ℃ and 2160g condition) (density is 0.90g/cm for 30 mass parts, polyethylene (octene content is a quality percentage composition 5%, and MI is 10g/10min under 190 ℃ and 2160g condition) 30 mass parts and propylene ethylene copolymers
3MI is 15g/10min under 190 ℃ and 2160g condition) 40 mass parts are evenly mixed in mixing machine, under 150 ℃, the speed of mixture with 30rpm is fed in the twin screw extruder then, extrude with the speed of 200rpm again, water-cooled, pelletizing is promptly made described biological medical large transfusion soft bag connector material after the blowing drying.The fusing point of prepared biological medical large transfusion soft bag connector material is 130 ℃, and melting index (MI) be 10g/10min under 190 ℃ and the 2160g condition, and injection molding cycle is long to be 40s.
Embodiment 2
(ethylene content is a quality percentage composition 3% with polypropylene, MI is 15g/10min under 190 ℃ and 2160g condition) 40 mass parts, polyethylene (hexene content is quality percentage composition 5%, and MI is 7g/10min under 190 ℃ and 2160g condition) 20 mass parts, quality percentage composition respectively are that (density is 0.86g/cm for 50% propylene ethylene copolymers
3, MI is 5g/10min under 190 ℃ and 2160g condition) and (density is 0.86g/cm with the propylene butene multipolymer
3MI is 30g/10min under 190 ℃ and 2160g condition) elastomerics 40 mass parts that form are evenly mixed in mixing machine, under 200 ℃, the speed of mixture with 50rpm is fed in the twin screw extruder then, extrude with the speed of 300rpm again, water-cooled, pelletizing is promptly made described biological medical large transfusion soft bag connector material after the blowing drying.The fusing point of prepared biological medical large transfusion soft bag connector material is 132 ℃, and melting index (MI) is 15g/10min under 190 ℃ and the 2160g condition, and injection molding cycle is 30s.
Embodiment 3
(ethylene content is a quality percentage composition 5% with polypropylene, MI is 6g/10min under 190 ℃ and 2160g condition) 60 mass parts, polyethylene (butene content is a quality percentage composition 5%, and MI is 15g/10min under 190 ℃ and 2160g condition) 10 mass parts, quality percentage composition respectively are that (density is 0.88g/cm for 50% propylene ethylene copolymers
3, MI is 10g/10min under 190 ℃ and 2160g condition) and (density is 0.86g/cm with POE
3MI is 13g/10min under 190 ℃ and 2160g condition) elastomerics 30 mass parts that form are evenly mixed in mixing machine, under 180 ℃, the speed of mixture with 55rpm is fed in the twin screw extruder then, extrude with the speed of 380rpm again, water-cooled, pelletizing is promptly made described biological medical large transfusion soft bag connector material after the blowing drying.The fusing point of prepared biological medical large transfusion soft bag connector material is 135 ℃, and melting index (MI) be 8g/10min under 190 ℃ and the 2160g condition, and injection molding cycle is short to be 25s.
Embodiment 4
(ethylene content is a quality percentage composition 5% with polypropylene, MI is 7g/10min under 190 ℃ and 2160g condition) 80 mass parts, polyethylene (butene content is a quality percentage composition 5%, and MI is 8g/10min under 190 ℃ and 2160g condition) 10 mass parts, (density is 0.86g/cm to propylene ethylene copolymers
3MI is 5g/10min under 190 ℃ and 2160g condition) 10 mass parts are evenly mixed in mixing machine, under 190 ℃, the speed of mixture with 70rpm is fed in the twin screw extruder then, extrude with the speed of 500rpm again, water-cooled, pelletizing is promptly made described biological medical large transfusion soft bag connector material after the blowing drying.The fusing point of prepared biological medical large transfusion soft bag connector material is 140 ℃, and melting index (MI) is 7g/10min under 190 ℃ and the 2160g condition, and injection molding cycle is 22s.
Embodiment 5
With polypropylene (ethylene content 0, MI is 30g/10min under 190 ℃ and 2160g condition) 40 mass parts, polyethylene (hexene content is quality percentage composition 7%, and MI is 12g/10min under 190 ℃ and 2160g condition) 20 mass parts, (density is 0.89g/cm to ethylene-propylene-diene copolymer
3MI is 20g/10min under 190 ℃ and 2160g condition) 40 mass parts are evenly mixed in mixing machine, under 200 ℃, the speed of mixture with 50rpm is fed in the twin screw extruder then, extrude with the speed of 300rpm again, water-cooled, pelletizing is promptly made described biological medical large transfusion soft bag connector material after the blowing drying.The fusing point of prepared biological medical large transfusion soft bag connector material is 132 ℃, and melting index (MI) is 20g/10min under 190 ℃ and the 2160g condition, and injection molding cycle is 30s.
Embodiment 6
With polypropylene (ethylene content 0, MI is 15g/10min under 190 ℃ and 2160g condition) 40 mass parts, polyethylene (alpha-olefin content is 0, and MI is 8g/10min under 190 ℃ and 2160g condition) 20 mass parts, (density is 0.90g/cm to propylene ethylene copolymers
3MI is 10g/10min under 190 ℃ and 2160g condition) 40 mass parts are evenly mixed in mixing machine, under 200 ℃, the speed of mixture with 50rpm is fed in the twin screw extruder then, extrude with the speed of 300rpm again, water-cooled, pelletizing is promptly made described biological medical large transfusion soft bag connector material after the blowing drying.The fusing point of prepared biological medical large transfusion soft bag connector material is 132 ℃, and melting index (MI) is 12g/10min under 190 ℃ and the 2160g condition, and injection molding cycle is 25s.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (5)
1. biological medical large transfusion soft bag connector material is grouped into by following one-tenth by mass parts:
30～80 parts of polypropylene
10～30 parts of polyethylene
10～40 parts on elastomerics;
Described polypropylene only contains propylene or comprises quality percentage composition≤5% of ethene, and its melting index under 190 ℃ and 2160g condition is 5～30g/10min;
Described polyethylene is a linear low density polyethylene, is made up of a kind of alpha-olefin of ethene and quality percentage composition≤7%, and its melting index under 190 ℃ and 2160g condition is 7～15g/10min;
Described alpha-olefin is 1-butylene, 1-hexene or 1-octene;
Described elastomerics is that density is 0.86～0.90g/cm
3, melting index is ethylene propylene copolymer, ethylene-butylene copolymer, ethene hexene copolymer, POE, propylene butene multipolymer, propylene octene copolymer, ethylene-propylene-diene multi-olefin copolymer a kind of of 5～30g/10min or at least two kinds mixture under 190 ℃ and 2160g condition.
2. the preparation method of the described biological medical large transfusion soft bag connector material of claim 1 comprises the steps:
A, polypropylene 30～80 mass parts, polyethylene 10～30 mass parts and elastomerics 10～40 mass parts are mixed;
B, mixture mix the back and add in the forcing machine with 30～70rpm speed under 150～200 ℃, extrude with 200～500rpm speed again, and water-cooled, drying, pelletizing obtains biological medical large transfusion soft bag connector material.
3. according to the preparation method of the described biological medical large transfusion soft bag connector material of claim 2, it is characterized in that: the fusing point of described biological medical large transfusion soft bag connector material is 130～140 ℃, and melting index is 7～20g/10min under 190 ℃ and 2160g condition.
4. the described biological medical large transfusion soft bag connector material of claim 1 is applied to medical package material field.
5. biological medical large transfusion soft bag connector material according to claim 4 is applied to medical package material field, it is characterized in that: described biological medical large transfusion soft bag connector material is applied to prepare biological medical large transfusion soft bag connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009100378052A CN101508808B (en) | 2009-03-12 | 2009-03-12 | Biological medical large transfusion soft bag connector material and preparation thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100378052A CN101508808B (en) | 2009-03-12 | 2009-03-12 | Biological medical large transfusion soft bag connector material and preparation thereof |
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| Publication Number | Publication Date |
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| CN101508808A CN101508808A (en) | 2009-08-19 |
| CN101508808B true CN101508808B (en) | 2010-12-29 |
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| CN2009100378052A Expired - Fee Related CN101508808B (en) | 2009-03-12 | 2009-03-12 | Biological medical large transfusion soft bag connector material and preparation thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831132B (en) * | 2010-05-21 | 2011-09-21 | 中国科学院长春应用化学研究所 | Resin composition |
| CN101921451B (en) * | 2010-09-21 | 2011-12-07 | 威海洁瑞医用制品有限公司 | Thermoplastic elastomer composite material |
| CN103405338B (en) * | 2013-09-06 | 2016-01-27 | 苏州创扬医药包装科技有限公司 | A kind of threaded infusion bag opener and preparation method thereof |
| CN104130507A (en) * | 2014-07-25 | 2014-11-05 | 桐乡市振华新型包装材料有限公司 | Anti-fog plastic film |
| CN104231434A (en) * | 2014-09-19 | 2014-12-24 | 苏州云舒新材料科技有限公司 | Heat-resistant modified polypropylene film master batch and preparation method thereof |
| CN111961306A (en) * | 2020-08-28 | 2020-11-20 | 苏州金谷精密塑胶有限公司 | Plastic material part for infusion apparatus and injection molding process thereof |
-
2009
- 2009-03-12 CN CN2009100378052A patent/CN101508808B/en not_active Expired - Fee Related
Non-Patent Citations (1)
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| JP特开2002-102091A 2002.04.09 |
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