CN104448469A - Medical high-temperature-resistant anti-radiation film and preparation method thereof - Google Patents
Medical high-temperature-resistant anti-radiation film and preparation method thereof Download PDFInfo
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- CN104448469A CN104448469A CN201410627528.1A CN201410627528A CN104448469A CN 104448469 A CN104448469 A CN 104448469A CN 201410627528 A CN201410627528 A CN 201410627528A CN 104448469 A CN104448469 A CN 104448469A
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- 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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a medical high-temperature-resistant anti-radiation film and a preparation method thereof. The high-temperature-resistant anti-radiation film is prepared by mixing polyethylene, dodecyl dimethyl benzyl ammonium chloride, epoxy resin, an ultraviolet absorbent, polybutene, paraffin, an antioxidant CA and polyvinyl chloride. The preparation method comprises the following steps: weighing the components in parts by weight, adding polyethylene, the epoxy resin, the ultraviolet absorbent, polybutene, the antioxidant CA and polyvinyl chloride into a reacting furnace, and stirring and heating to obtain a first mixture; adding dodecyl dimethyl benzyl ammonium chloride and paraffin into the first mixture, heating to 80-100 DEG C, and performing vacuum drying for 10-15 minutes to obtain a second mixture; and pouring the second mixture into an extruder when the second mixture is hot, extruding to obtain master batches, and putting the master batches into a film blowing machine for film blowing, thereby obtaining the high-temperature-resistant anti-radiation film. The high-temperature-resistant and anti-radiation capabilities of the high-temperature-resistant anti-radiation film disclosed by the invention are improved on the basis of ensuring the original performance of the film.
Description
Technical field
The present invention relates to medical film material field, be specifically related to a kind of medical high temperature resistant radioprotective film and preparation method thereof.
Background technology
Polyethylene is a kind of thermoplastic resin odorless, nontoxic, the feel ceraceous that ethene is made through polymerization, has excellent resistance to low temperature chemical stability good, the erosion of the most of soda acid of ability.Be insoluble to common solvent under normal temperature, water-absorbent is little, and electrical insulating property is excellent, is therefore widely used in all trades and professions.
Polyethylene film is the most widely used macromolecular material in the world today, is divided into high density polyethylene(HDPE) protective membrane, medium-density polyethylene protective membrane and Low Density Polyethylene protective membrane according to density difference.But due to the Some features of polyethylene nature, polyethylene film also has the deficiency of some application aspect.At present, the polyethylene film use temperature on market is no more than 100 DEG C, and the phenomenons such as variable color.Therefore need exploitation one can high temperature resistant radioprotective mould material, can better as medical material.
summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of medical high temperature resistant radioprotective film and preparation method thereof, improve resistance to elevated temperatures and the radiation resistance of film.
For solving prior art problem, the technical solution used in the present invention is:
A kind of medical high temperature resistant radioprotective film, comprise the following raw material counted by weight: polyethylene 45-58 part, dodecyl benzyl dimethyl ammonium chloride 2-6 part, epoxy resin 8-16 part, uv-absorbing agent 2-6 part, polybutene 10-15 part, paraffin 1-4 part, antioxidant CA 0.2-0.6 part, polyvinyl chloride 3-9 part.
Preferred as medical high temperature resistant radioprotective film, comprise the following raw material counted by weight: polyethylene 50-56 part, dodecyl benzyl dimethyl ammonium chloride 3-5 part, epoxy resin 10-14 part, uv-absorbing agent 4-6 part, polybutene 12-14 part, paraffin 2-4 part, antioxidant CA 0.3-0.5 part, polyvinyl chloride 5-8 part.
Preferred as medical high temperature resistant radioprotective film, described uv-absorbing agent is salicylic acid phenyl ester or 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole.
The preparation method of above-mentioned medical high temperature resistant radioprotective film, comprises the following steps:
Step 1, takes each component according to parts by weight, by polyethylene, epoxy resin, uv-absorbing agent, polybutene, antioxidant CA, polyvinyl chloride adds in Reaktionsofen, stir and after heating the first mixture;
Step 2, then dodecyl benzyl dimethyl ammonium chloride and paraffin is added in the first mixture, be heated to 80-100 DEG C, then vacuum-drying 10-15 minute obtains the second mixture;
Step 3, pours into the second mixture in forcing machine while hot and extrudes master batch, then master batch is dropped into blown film in inflation film manufacturing machine, obtain high temperature resistant radioprotective film.
As preparation method preferred of above-mentioned medical high temperature resistant radioprotective film, step 1, Heating temperature is 42-55 DEG C, and stirring velocity is 180-240rpm.
As preparation method preferred of above-mentioned medical high temperature resistant radioprotective film, step 2, vacuum drying vacuum tightness is 100-300MPa.
beneficial effect
The present invention is high temperature resistant, and radioprotective film tensile strength is good, and flexural strength is good, not yielding under high temperature, and in addition, the collocation of epoxy resin and uv-absorbing agent improves uvioresistant ability effect, is especially suitable as medical macromolecular materials application.
embodiment
embodiment 1
A kind of medical high temperature resistant radioprotective film, comprises the following raw material counted by weight: polyethylene 45 parts, dodecyl benzyl dimethyl ammonium chloride 2 parts, epoxy resin 8 parts, salicylic acid phenyl ester 2 parts, polybutene 10 parts, 1 part, paraffin, antioxidant CA 0.2 part, polyvinyl chloride 3 parts.
The preparation method of above-mentioned medical high temperature resistant radioprotective film, comprises the following steps:
Step 1, takes each component according to parts by weight, by polyethylene, epoxy resin, salicylic acid phenyl ester, polybutene, antioxidant CA, polyvinyl chloride adds in Reaktionsofen, stir with 180rpm and after being heated to 42 DEG C the first mixture;
Step 2, then dodecyl benzyl dimethyl ammonium chloride and paraffin is added in the first mixture, be heated to 80 DEG C, drier 10 minutes under vacuum tightness is 100MP obtain the second mixture;
Step 3, pours into the second mixture in forcing machine while hot and extrudes master batch, then master batch is dropped into blown film in inflation film manufacturing machine, obtain high temperature resistant radioprotective film.
embodiment 2
A kind of medical high temperature resistant radioprotective film, comprise the following raw material counted by weight: polyethylene 50 parts, dodecyl benzyl dimethyl ammonium chloride 3 parts, epoxy resin 10 parts, 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole 4 parts, polybutene 12 parts, 2 parts, paraffin, antioxidant CA 0.3 part, polyvinyl chloride 5 parts.
The preparation method of above-mentioned medical high temperature resistant radioprotective film, comprises the following steps:
Step 1, takes each component, by polyethylene according to parts by weight, epoxy resin, 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole, polybutene, antioxidant CA, polyvinyl chloride adds in Reaktionsofen, stir with 200rpm and after being heated to 45 DEG C the first mixture;
Step 2, then dodecyl benzyl dimethyl ammonium chloride and paraffin is added in the first mixture, be heated to 78 DEG C, drier 12 minutes under vacuum tightness is 180MPa obtain the second mixture;
Step 3, pours into the second mixture in forcing machine while hot and extrudes master batch, then master batch is dropped into blown film in inflation film manufacturing machine, obtain high temperature resistant radioprotective film.
embodiment 3
A kind of medical high temperature resistant radioprotective film, comprise the following raw material counted by weight: polyethylene 50 parts, dodecyl benzyl dimethyl ammonium chloride 3 parts, epoxy resin 10 parts, 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole 4 parts, polybutene 12 parts, 2 parts, paraffin, antioxidant CA 0.3 part, polyvinyl chloride 5 parts.
The preparation method of above-mentioned medical high temperature resistant radioprotective film, comprises the following steps:
Step 1, takes each component, by polyethylene according to parts by weight, epoxy resin, 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole, polybutene, antioxidant CA, polyvinyl chloride adds in Reaktionsofen, stir with 200rpm and after being heated to 50 DEG C the first mixture;
Step 2, then dodecyl benzyl dimethyl ammonium chloride and paraffin is added in the first mixture, be heated to 80 DEG C, drier 14 minutes under vacuum tightness is 250MPa obtain the second mixture;
Step 3, pours into the second mixture in forcing machine while hot and extrudes master batch, then master batch is dropped into blown film in inflation film manufacturing machine, obtain high temperature resistant radioprotective film.
embodiment 4
A kind of medical high temperature resistant radioprotective film, comprises the following raw material counted by weight: polyethylene 58 parts, dodecyl benzyl dimethyl ammonium chloride 6 parts, epoxy resin 16 parts, salicylic acid phenyl ester 6 parts, polybutene 15 parts, 4 parts, paraffin, antioxidant CA 0.6 part, polyvinyl chloride 9 parts.
The preparation method of above-mentioned medical high temperature resistant radioprotective film, comprises the following steps:
Step 1, takes each component according to parts by weight, by polyethylene, epoxy resin, salicylic acid phenyl ester, polybutene, antioxidant CA, polyvinyl chloride adds in Reaktionsofen, stir with 240rpm and after being heated to 55 DEG C the first mixture;
Step 2, then dodecyl benzyl dimethyl ammonium chloride and paraffin is added in the first mixture, be heated to 100 DEG C, more lower dry 15 minutes under vacuum tightness is 300MPa obtain the second mixture;
Step 3, pours into the second mixture in forcing machine while hot and extrudes master batch, then master batch is dropped into blown film in inflation film manufacturing machine, obtain high temperature resistant radioprotective film.
comparative example 1
A kind of medical high temperature resistant radioprotective film, comprises the following raw material counted by weight: polyethylene 45 parts, dodecyl benzyl dimethyl ammonium chloride 2 parts, epoxy resin 8 parts, polybutene 10 parts, 1 part, paraffin, antioxidant CA 0.2 part, polyvinyl chloride 3 parts.
The preparation method of above-mentioned medical high temperature resistant radioprotective film, comprises the following steps:
Step 1, takes each component according to parts by weight, by polyethylene, epoxy resin, polybutene, antioxidant CA, polyvinyl chloride adds in Reaktionsofen, stir with 180rpm and after being heated to 42 DEG C the first mixture;
Step 2, then dodecyl benzyl dimethyl ammonium chloride and paraffin is added in the first mixture, be heated to 80 DEG C, drier 10 minutes under vacuum tightness is 100MP obtain the second mixture;
Step 3, pours into the second mixture in forcing machine while hot and extrudes master batch, then master batch is dropped into blown film in inflation film manufacturing machine, obtain high temperature resistant radioprotective film.
comparative example 2
A kind of medical high temperature resistant radioprotective film, comprises the following raw material counted by weight: polyethylene 45 parts, dodecyl benzyl dimethyl ammonium chloride 2 parts, salicylic acid phenyl ester 2 parts, polybutene 10 parts, 1 part, paraffin, antioxidant CA 0.2 part, polyvinyl chloride 3 parts.
The preparation method of above-mentioned medical high temperature resistant radioprotective film, comprises the following steps:
Step 1, takes each component according to parts by weight, by polyethylene, salicylic acid phenyl ester, salicylic acid phenyl ester, polybutene, antioxidant CA, polyvinyl chloride add in Reaktionsofen, stir with 180rpm and after being heated to 42 DEG C the first mixture;
Step 2, then dodecyl benzyl dimethyl ammonium chloride and paraffin is added in the first mixture, be heated to 80 DEG C, drier 10 minutes under vacuum tightness is 100MP obtain the second mixture;
Step 3, pours into the second mixture in forcing machine while hot and extrudes master batch, then master batch is dropped into blown film in inflation film manufacturing machine, obtain high temperature resistant radioprotective film.
performance test
The film of high temperature resistant for the present invention radioprotective film and comparative example 1-2 is carried out performance test, and the data obtained is as shown in the table.
From upper table data, the good combination property of the present invention is high temperature resistant radioprotective film, is especially suitable as the consumptive material raw material in severe radiation.
Claims (6)
1. a medical high temperature resistant radioprotective film, it is characterized in that, comprise the following raw material counted by weight: polyethylene 45-58 part, dodecyl benzyl dimethyl ammonium chloride 2-6 part, epoxy resin 8-16 part, uv-absorbing agent 2-6 part, polybutene 10-15 part, paraffin 1-4 part, antioxidant CA 0.2-0.6 part, polyvinyl chloride 3-9 part.
2. medical high temperature resistant radioprotective film according to claim 1, it is characterized in that, comprise the following raw material counted by weight: polyethylene 50-56 part, dodecyl benzyl dimethyl ammonium chloride 3-5 part, epoxy resin 10-14 part, uv-absorbing agent 4-6 part, polybutene 12-14 part, paraffin 2-4 part, antioxidant CA 0.3-0.5 part, polyvinyl chloride 5-8 part.
3. medical high temperature resistant radioprotective film according to claim 1, is characterized in that: described uv-absorbing agent is salicylic acid phenyl ester or 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole.
4. the preparation method of medical high temperature resistant radioprotective film according to claim 1, is characterized in that, comprise the following steps:
Step 1, takes each component according to parts by weight, by polyethylene, epoxy resin, uv-absorbing agent, polybutene, antioxidant CA, polyvinyl chloride adds in Reaktionsofen, stir and after heating the first mixture;
Step 2, then dodecyl benzyl dimethyl ammonium chloride and paraffin is added in the first mixture, be heated to 80-100 DEG C, then vacuum-drying 10-15 minute obtains the second mixture;
Step 3, pours into the second mixture in forcing machine while hot and extrudes master batch, then master batch is dropped into blown film in inflation film manufacturing machine, obtain high temperature resistant radioprotective film.
5. the preparation method of medical high temperature resistant radioprotective film according to claim 4, it is characterized in that: step 1, Heating temperature is 42-55 DEG C, and stirring velocity is 180-240rpm.
6. the preparation method of medical high temperature resistant radioprotective film according to claim 4, it is characterized in that: step 2, vacuum drying vacuum tightness is 100-300MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410627528.1A CN104448469A (en) | 2014-11-10 | 2014-11-10 | Medical high-temperature-resistant anti-radiation film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410627528.1A CN104448469A (en) | 2014-11-10 | 2014-11-10 | Medical high-temperature-resistant anti-radiation film and preparation method thereof |
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| CN104448469A true CN104448469A (en) | 2015-03-25 |
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| CN201410627528.1A Pending CN104448469A (en) | 2014-11-10 | 2014-11-10 | Medical high-temperature-resistant anti-radiation film and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108912959A (en) * | 2018-07-04 | 2018-11-30 | 安徽省浦菲尔建材有限公司 | A kind of preparation method of ceramics steel medical treatment door |
| CN109627685A (en) * | 2018-10-29 | 2019-04-16 | 徐冬 | A kind of UV barrier film |
| CN112375240A (en) * | 2020-11-06 | 2021-02-19 | 东莞市和信包装制品有限公司 | Preparation method of PE film and PE film |
| CN113696554A (en) * | 2021-06-17 | 2021-11-26 | 苏州大上科高新材料有限公司 | Processing method of high-stability PE coating multifunctional oxford fabric |
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| CN1539874A (en) * | 2003-04-22 | 2004-10-27 | 陈建强 | Antibacterial, keeping foodstuff fresh, uvioresistant plastic fabricated from Nano material |
| CN1552757A (en) * | 2003-05-28 | 2004-12-08 | 上海杰事杰新材料股份有限公司 | Microporous membrane, preparing method and use |
| CN104098829A (en) * | 2014-07-17 | 2014-10-15 | 王森贤 | Water-vapor-permeable polyethylene film and preparation method thereof |
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2014
- 2014-11-10 CN CN201410627528.1A patent/CN104448469A/en active Pending
Patent Citations (3)
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| CN1539874A (en) * | 2003-04-22 | 2004-10-27 | 陈建强 | Antibacterial, keeping foodstuff fresh, uvioresistant plastic fabricated from Nano material |
| CN1552757A (en) * | 2003-05-28 | 2004-12-08 | 上海杰事杰新材料股份有限公司 | Microporous membrane, preparing method and use |
| CN104098829A (en) * | 2014-07-17 | 2014-10-15 | 王森贤 | Water-vapor-permeable polyethylene film and preparation method thereof |
Non-Patent Citations (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108912959A (en) * | 2018-07-04 | 2018-11-30 | 安徽省浦菲尔建材有限公司 | A kind of preparation method of ceramics steel medical treatment door |
| CN109627685A (en) * | 2018-10-29 | 2019-04-16 | 徐冬 | A kind of UV barrier film |
| CN112375240A (en) * | 2020-11-06 | 2021-02-19 | 东莞市和信包装制品有限公司 | Preparation method of PE film and PE film |
| CN113696554A (en) * | 2021-06-17 | 2021-11-26 | 苏州大上科高新材料有限公司 | Processing method of high-stability PE coating multifunctional oxford fabric |
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Application publication date: 20150325 |