CN108864609A - A kind of preparation method of medical PVC material - Google Patents
A kind of preparation method of medical PVC material Download PDFInfo
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- CN108864609A CN108864609A CN201810807175.1A CN201810807175A CN108864609A CN 108864609 A CN108864609 A CN 108864609A CN 201810807175 A CN201810807175 A CN 201810807175A CN 108864609 A CN108864609 A CN 108864609A
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- pvc material
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- medical
- coupling agent
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
Abstract
The invention discloses a kind of preparation methods of medical PVC material, include the following steps：S1.PVC material prepares：40-90 parts of vinyl chloride, 4-10 parts of Corvic；5-12 parts of compound stabilizer, 2-8 parts of auxiliary stabilizer, 0.5-3 parts of lubricant for external use, 1-5 parts of plasticizer, 1-6 parts of coupling agent, 1-6 parts of antioxidant；The preparation of S2.PVC powder：The vinyl chloride of parts by weight described in S1, Corvic are uniformly mixed, are warming up to 30-60 DEG C, is put into blender and stirred to 40-80 DEG C, 50-120 revs/min of mixing speed, obtains mixture A.The plasticizer added in the present invention is citric acid ester type, epoxidized soybean oil, belong to Nantural non-toxic organic matter, meet medical safe rank additive, compound stabilizer is that calcium stearate, ricinoleic acid calcium, zinc stearate or zinc ricinate belong to aliment security level, guarantees safety and stability.
Description
Technical field
The present invention relates to medical PVC field of material technology more particularly to a kind of preparation methods of medical PVC material.
Background technique
Medical plastic industry is with its high added value, high speedup and possesses wide market potential and attracts attention, by adopting
With novel plastic material, medical instrument can be made safer, more environmentally friendly.Medical PVC refer to it is a kind of have property,
Features for artificial organs, surgical repair, physiotherapy and rehabilitation, diagnosis, treatment illness, and will not generate not tissue
The material of good influence, material non-toxic is not carcinogenic, not teratogenesis, does not cause the mutation and histiocytic reaction of human body cell,
It is good with tissue compatibility, phenomena such as not causing poisoning, haemolysis blood coagulation, fever and allergy, and there is chemical property to stablize, resist
The effect of body fluid, blood and enzyme has the physical mechanical characteristic being adapted with natural tissues.
Summary of the invention
The purpose of the present invention is to solve existing medical material preparation costs high, complex process, such as steel part, glass system
Product transport stores, is inconvenient to carry, and regular industrial, because addition emulsifier is not met medical rank, is applied to medical treatment and existed with PVC
Security risk and the preparation method of a kind of medical PVC material proposed, the plasticizer added in the present invention be citric acid ester type or
Epoxidized soybean oil, belongs to Nantural non-toxic organic matter, and compound stabilizer is calcium stearate, ricinoleic acid calcium, zinc stearate or castor-oil plant
Zinc oleate belongs to aliment security level, meets medical safe rank additive, guarantees its safety and stability.
A kind of preparation method of medical PVC material, includes the following steps：
S1.PVC material prepares：40-90 parts of vinyl chloride, 4-10 parts of Corvic, 5-12 parts of compound stabilizer, auxiliary
2-8 parts of stabilizer, 0.5-3 parts of lubricant for external use, 1-5 parts of plasticizer, 1-6 parts of coupling agent, 1-6 parts of antioxidant；
The preparation of S2.PVC powder：The vinyl chloride of components by weight percent described in S1, Corvic are uniformly mixed, are warming up to
It 30-60 DEG C, is put into blender and stirred to 40-80 DEG C, 50-120 revs/min of mixing speed, obtains mixture A；
S3. it pours into circular grinding in colloid mill after mixture A in S2 being dissolved melting substantially and obtains polymer B, control
In polymer B processed in colloid Solids Particle Diameter less than 4 μm；
S4., polymer B is added to the compound stabilizer and auxiliary stabilizer of parts by weight described in S1, is continued in grinder
Middle grinding 30-60 minutes, obtains polymer C；
S5. polymer C is put into high-speed mixer, revolving speed is adjusted to 300-500rpm, adds after mixed at high speed 15-30 minutes
The plasticizer and coupling agent for entering parts by weight described in S1, which are continuesd to mix to temperature, reaches 45-75 DEG C, obtains material D；
S5. high-speed mixer revolving speed is adjusted to 200-350rpm to continue to stir material D, to institute in 5-10 minutes investment S1
The lubricant for external use and antioxidant for stating parts by weight continue stirring 30-60 minutes, obtain material E；
S7. extruding pelletization：By PVC material powder on the twin screw extruder extruding pelletization to get PVC material.
Preferably, the compound stabilizer is calcium stearate, ricinoleic acid calcium, zinc stearate or zinc ricinate.
Preferably, the auxiliary stabilizer is into phosphite ester or polyalcohol auxiliary stabilizer.
Preferably, the lubricant for external use is paraffin or stearic acid and its esters.
Preferably, the plasticizer is citric acid ester type or epoxidized soybean oil.
Preferably, the coupling agent is silane resin acceptor kh-550 or silane coupling agent KH560.
Preferably, the antioxidant is antioxidant TNP or antioxidant 264.
Medical PVC material preparation method proposed by the present invention, obtained PVC material have good anti-pressure and abrasion-proof anti-aging
Performance, and material non-toxic, not carcinogenic, teratogenesis, does not cause the mutation and histiocytic reaction of human body cell, with human body
It is not withstand pressure easily old to solve traditional PVC material for phenomena such as histocompatbility is good, does not cause poisoning, haemolysis blood coagulation, fever and allergy
The not strong disadvantage of change, non-refractory, hardness, the plasticizer that adds is citric acid ester type or epoxidized soybean oil in the present invention, is belonged to
Nantural non-toxic organic matter, compound stabilizer are that calcium stearate, ricinoleic acid calcium, zinc stearate or zinc ricinate belong to food peace
Full grade can increase the corrosion resistance of PVC material, tear resistance and elasticity, and belong to medical safe rank additive, guarantee its peace
Full property and stability can be widely applied to food and medical industry, and high using high-speed mixer in present invention process preparation
Temperature is stirred material, and preparation process is simple to operation, saves cost, it is made more to be superior to the preparation of common PVC material and application.
Detailed description of the invention
Fig. 1 is a kind of embodiment data histograms of the preparation method of medical PVC material proposed by the present invention.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one
A kind of preparation method of medical PVC material, includes the following steps：
S1.PVC material prepares：60 parts of vinyl chloride, 4 parts of Corvic, 5 parts of compound stabilizer, auxiliary stabilizer 2
Part, 0.5 part of lubricant for external use, 1 part of plasticizer, 1 part of coupling agent, 1 part of antioxidant；
The preparation of S2.PVC powder：The vinyl chloride of components by weight percent described in S1, Corvic are uniformly mixed, are warming up to
It 30 DEG C, is put into blender and stirred to 40 DEG C, 50 revs/min of mixing speed, obtains mixture A；
S3. it pours into circular grinding in colloid mill after mixture A in S2 being dissolved melting substantially and obtains polymer B, control
In polymer B processed in colloid Solids Particle Diameter less than 4 μm；
S4., polymer B is added to the compound stabilizer and auxiliary stabilizer of parts by weight described in S1, is continued in grinder
Middle grinding 30 minutes, obtains polymer C；
S5. polymer C is put into high-speed mixer, revolving speed is adjusted to 300rpm, is added in S1 after mixed at high speed 15 minutes
Plasticizer, the coupling agent of the parts by weight, which are continuesd to mix to temperature, reaches 45 DEG C, obtains material D；
S5. high-speed mixer revolving speed is adjusted to 200rpm to continue to stir material D, to parts by weight described in 5 minutes investment S1
Lubricant for external use and antioxidant, continue stirring 30 minutes, obtain material E；
S7. extruding pelletization：By PVC material powder on the twin screw extruder extruding pelletization to get PVC material.
Embodiment two
A kind of preparation method of medical PVC material, includes the following steps：
S1.PVC material prepares：70 parts of vinyl chloride, 6 parts of Corvic, 8 parts of compound stabilizer, auxiliary stabilizer 6
Part, 1 part of lubricant for external use, 3 parts of plasticizer, 4 parts of coupling agent, 4 parts of antioxidant；
The preparation of S2.PVC powder：The vinyl chloride of components by weight percent described in S1, Corvic are uniformly mixed, are warming up to
It 40 DEG C, is put into blender and stirred to 50 DEG C, 100 revs/min of mixing speed, obtains mixture A；
S3. it pours into circular grinding in colloid mill after mixture A in S2 being dissolved melting substantially and obtains polymer B, control
In polymer B processed in colloid Solids Particle Diameter less than 4 μm；
S4., polymer B is added to the compound stabilizer and auxiliary stabilizer of parts by weight described in S1, is continued in grinder
Middle grinding 40 minutes, obtains polymer C；
S5. polymer C is put into high-speed mixer, revolving speed is adjusted to 400rpm, and mixed at high speed is added in S1 after twenty minutes
Plasticizer, the coupling agent of the parts by weight, which are continuesd to mix to temperature, reaches 60 DEG C, obtains material D；
S5. high-speed mixer revolving speed is adjusted to 300rpm to continue to stir material D, to parts by weight described in 8 minutes investment S1
Lubricant for external use and antioxidant, continue stirring 50 minutes, obtain material E；
S7. extruding pelletization：By PVC material powder on the twin screw extruder extruding pelletization to get PVC material.
Embodiment three
A kind of preparation method of medical PVC material, includes the following steps：
S1.PVC material prepares：90 parts of vinyl chloride, 10 parts of Corvic, 12 parts of compound stabilizer, auxiliary stabilizer 8
Part, 3 parts of lubricant for external use, 5 parts of plasticizer, 6 parts of coupling agent, 6 parts of antioxidant；
The preparation of S2.PVC powder：The vinyl chloride of components by weight percent described in S1, Corvic are uniformly mixed, are warming up to
It 60 DEG C, is put into blender and stirred to 80 DEG C, 120 revs/min of mixing speed, obtains mixture A；
S3. it pours into circular grinding in colloid mill after mixture A in S2 being dissolved melting substantially and obtains polymer B, control
In polymer B processed in colloid Solids Particle Diameter less than 4 μm；
S4., polymer B is added to the compound stabilizer and auxiliary stabilizer of parts by weight described in S1, is continued in grinder
Middle grinding 60 minutes, obtains polymer C；
S5. polymer C is put into high-speed mixer, revolving speed is adjusted to 500rpm, is added in S1 after mixed at high speed 30 minutes
Plasticizer, the coupling agent of the parts by weight, which are continuesd to mix to temperature, reaches 75 DEG C, obtains material D；
S5. high-speed mixer revolving speed is adjusted to 350rpm to continue to stir material D, to parts by weight described in 10 minutes investment S1
Lubricant for external use and antioxidant, continue stirring 60 minutes, obtain material E；
S7. extruding pelletization：By PVC material powder on the twin screw extruder extruding pelletization to get PVC material.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of preparation method of medical PVC material, which is characterized in that include the following steps：
S1.PVC material prepares：40-90 parts of vinyl chloride, 4-10 parts of Corvic, 5-12 parts of compound stabilizer, auxiliary are stablized
2-8 parts of agent, 0.5-3 parts of lubricant for external use, 1-5 parts of plasticizer, 1-6 parts of coupling agent and 1-6 parts of antioxidant；
S2. prepared by PVC powder body：The vinyl chloride of parts by weight described in S1 and Corvic are uniformly mixed, 30- is warming up to
It 60 DEG C, is put into blender and stirred to 40-80 DEG C, 50-120 revs/min of mixing speed, obtains mixture A；
S3. mixture A in S2 is dissolved substantially and pours into circular grinding in colloid mill after melting and obtains polymer B, control is poly-
Solids Particle Diameter is closed in object B in colloid less than 4 μm；
S4., polymer B is added to the compound stabilizer and auxiliary stabilizer of parts by weight described in S1, continuation is ground in grinder
30-60 minutes, obtain polymer C；
S5. polymer C is put into high-speed mixer, revolving speed is adjusted to 300-500rpm, and S1 is added after 15-30 minutes in mixed at high speed
Described in parts by weight plasticizer and coupling agent continues to mix to temperature and reach 45-75 DEG C, obtain material D；
S6. high-speed mixer revolving speed is adjusted to 200-350rpm to continue to stir material D, to weight described in 5-10 minutes investment S1
The lubricant for external use and antioxidant of part continue stirring 30-60 minutes, obtain material E；
S7. extruding pelletization：By PVC material powder on the twin screw extruder extruding pelletization to get PVC material.
2. a kind of preparation method of medical PVC material according to claim 1, it is characterised in that：The compound stabilizer
For calcium stearate, ricinoleic acid calcium, zinc stearate or zinc ricinate.
3. a kind of preparation method of medical PVC material according to claim 1, it is characterised in that：The auxiliary stabilizer
To enter phosphite ester or polyalcohol auxiliary stabilizer.
4. a kind of preparation method of medical PVC material according to claim 1, it is characterised in that：The lubricant for external use
For paraffin or stearic acid and its esters.
5. a kind of preparation method of medical PVC material according to claim 1, it is characterised in that：The plasticizer is lemon
Lemon esters of gallic acid or epoxidized soybean oil.
6. a kind of preparation method of medical PVC material according to claim 1, it is characterised in that：The coupling agent is silicon
Alkane coupling agent KH-550 or silane coupling agent KH560.
7. a kind of preparation method of medical PVC material according to claim 1, it is characterised in that：The antioxidant is anti-
Oxygen agent TNP or antioxidant 264.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807175.1A CN108864609A (en) | 2018-07-21 | 2018-07-21 | A kind of preparation method of medical PVC material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807175.1A CN108864609A (en) | 2018-07-21 | 2018-07-21 | A kind of preparation method of medical PVC material |
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| CN108864609A true CN108864609A (en) | 2018-11-23 |
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| CN201810807175.1A Pending CN108864609A (en) | 2018-07-21 | 2018-07-21 | A kind of preparation method of medical PVC material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304257A (en) * | 2011-08-25 | 2012-01-04 | 上海恒方大高分子材料科技有限公司 | Medical PVC material adopted for steam sterilization, and preparation method thereof |
| CN102321317A (en) * | 2011-08-25 | 2012-01-18 | 上海恒方大高分子材料科技有限公司 | High-transparent medical PVC pellet and preparation method thereof |
| CN104356540A (en) * | 2014-10-29 | 2015-02-18 | 昆山艾士比高分子科技有限公司 | Medical plastic composite material |
-
2018
- 2018-07-21 CN CN201810807175.1A patent/CN108864609A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304257A (en) * | 2011-08-25 | 2012-01-04 | 上海恒方大高分子材料科技有限公司 | Medical PVC material adopted for steam sterilization, and preparation method thereof |
| CN102321317A (en) * | 2011-08-25 | 2012-01-18 | 上海恒方大高分子材料科技有限公司 | High-transparent medical PVC pellet and preparation method thereof |
| CN104356540A (en) * | 2014-10-29 | 2015-02-18 | 昆山艾士比高分子科技有限公司 | Medical plastic composite material |
Non-Patent Citations (2)
| Title |
|---|
| （苏）巴尔格，З.И.著: "《合成塑料工艺学》", 31 January 1962 * |
| 曾坚贤等: "《化工实习》", 30 June 2014 * |
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Application publication date: 20181123 |
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