CN109467848A - A kind of high adsorption function film and preparation method thereof - Google Patents
A kind of high adsorption function film and preparation method thereof Download PDFInfo
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- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
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Abstract
The invention discloses a kind of high adsorption function film, the formula of raw material by weight is as follows: 40-48 parts of PVC material, 20-30 parts of ldpe resin, 12-16 parts of benzene series organic solvent, 4-8 parts of silica, 4-8 parts of magnetic material powder, 1-3 parts of epoxidized vegetable oil, active 1-3 parts of powdered carbon, 1-3 parts of toluene, 3-5 parts of film forming agent, 3-5 parts of stabilizer, 3-5 parts of binder.The invention also discloses a kind of preparation methods of high adsorption function film.The present invention can guarantee film strength and wilfulness, improve the service life of its actual use, can adsorb the smell in item to be protected and bacterium, can guarantee the quality of its packaging, additionally it is possible to adsorb the dust of its internal residue and outside.
Description
Technical field
The present invention relates to functional membrane preparation technical fields more particularly to a kind of high adsorption function film and preparation method thereof.
Background technique
In recent years, with the development of the social economy, people increasingly pay close attention to environmental protection and health, with edible biological high score
The preparation such as sub- substance such as starch, cellulose derivative, chitosan, alginate, whey protein isolate and soybean protein isolate
Film can substitute traditional packaging material protection food, make it in transport, sale, storage not by the shadow of external environment
It rings, has the characteristics that safety and environmental protection.It is thus also more and more frequent to the use of functional membrane, and functional membrane in the prior art does not have
Standby adsorptivity, so that external impurity, dust and bacterium can invade packing material.For this purpose, we have proposed a kind of high
Adsorption function film and preparation method thereof.
Summary of the invention
The invention proposes a kind of high adsorption function films and preparation method thereof, to solve mentioned above in the background art ask
Topic.
The invention proposes a kind of high adsorption function film, the formula of raw material by weight is as follows: 40-48 parts of PVC material, low
20-30 parts of Density Polyethylene Resin, 12-16 parts of benzene series organic solvent, 4-8 parts of silica, 4-8 parts of magnetic material powder, epoxy
1-3 parts of vegetable oil, active 1-3 parts of powdered carbon, 1-3 parts of toluene, 3-5 parts of film forming agent, 3-5 parts of stabilizer, 3-5 parts of binder.
Preferably, PVC material, ldpe resin, benzene series organic solvent weight ratio be 42-46:22-28:13-
15。
Preferably, silica, magnetic material powder, epoxidized vegetable oil, active powdered carbon, toluene weight ratio be 5-7:5-7:
1.5-2.5:1.5-2.5:1.5-2.5.
Preferably, film forming agent, stabilizer, binder weight ratio be 3.5-4.5:3.5-4.5:3.5-4.5.
Preferably, the optimization formula of raw material by weight is as follows:
42-46 parts of PVC material, 22-28 parts of ldpe resin, 13-15 parts of benzene series organic solvent, 5-7 parts of silica,
5-7 parts of magnetic material powder, 1.5-2.5 parts of epoxidized vegetable oil, active 1.5-2.5 parts of powdered carbon, 1.5-2.5 parts of toluene, film forming agent
3.5-4.5 parts, 3.5-4.5 parts of stabilizer, 3.5-4.5 parts of binder.
Preferably, the optimization formula of raw material by weight is as follows:
44 parts of PVC material, 25 parts of ldpe resin, 14 parts of benzene series organic solvent, 6 parts of silica, magnetic material powder 6
Part, 2 parts of epoxidized vegetable oil, active 2 parts of powdered carbon, 2 parts of toluene, 4 parts of film forming agent, 4 parts of stabilizer, 4 parts of binder.
The present invention also provides a kind of preparation methods of high adsorption function film, include the following steps:
S1, PVC material and ldpe resin are chosen in proportion, and the two is placed in fine grinding machine and is finely ground
Then the mixture of the two is placed in reaction vessel, and add into reaction vessel by mill until its particle diameter is less than 5um
Benzene series organic solvent makes it completely dissolved under conditions of 40-60 degrees Celsius, so as to obtain the first mixed solution；
S2, silica, magnetic material powder, epoxidized vegetable oil, active powdered carbon and toluene are chosen in proportion again, and will be above-mentioned
Raw material is placed in mixer simultaneously, is mixed at normal temperature, and mixing time is 30-50min, obtains the second mixture, and
Mixture is again placed in fine gtinding in fine grinding machine, until its particle diameter is less than 5um；
The first mixed solution in S3, selection S1, the first mixed solution is placed in 80-100 degrees Celsius of environment and is mixed
Stirring, and during mixing, the second mixture in S2 is slowly positioned at wherein, after the completion of its addition, at this
Under the conditions of continues to mix stirring 50-70min, obtain third mixture；
S4, Twin screw extruder is chosen again, and third mixture is placed in one, then add film forming agent, stabilization thereto
Agent and binder, and 12-20min is mixed in 50-70 degrees Celsius of environment, after the completion, by Twin screw extruder
It is granulated, squeezes out, and according to the requirement to functional membrane, formed a film in such a way that film surface is fervent or air-cooled tie rod to get arriving
High adsorption function film.
Preferably, the epoxidized vegetable oil is specially one or more of soybean oil, corn oil and rapeseed oil
Mixture.
Preferably, the stabilizer is specially the mixing of calcium stearate, magnesium stearate, zinc stearate and titanium dioxide
Object, and calcium stearate, magnesium stearate, zinc stearate and titanium dioxide molal weight ratio be 1:1:3.
A kind of high adsorption function film provided by the present invention and preparation method thereof, beneficial effect is: the present invention by
Addition silica, stabilizer and binder in film, so as to guarantee film strength and wilfulness, improving it practical makes
Service life can adsorb the smell in item to be protected and bacterium, can guarantee its packet also by the addition of active powdered carbon
The quality of dress also passes through the addition of magnetic material powder, the dust of its internal residue and outside can be adsorbed, to guarantee object
The quality of product packaging.
Specific embodiment
It is next combined with specific embodiments below that the present invention will be further described.
Embodiment 1
The invention proposes a kind of high adsorption function film, the formula of raw material by weight is as follows: 40 parts of PVC material, low-density are poly-
20 parts of vinyl, 12 parts of benzene series organic solvent, 4 parts of silica, 4 parts of magnetic material powder, 1 part of epoxidized vegetable oil, active carbon
1 part of powder, 1 part of toluene, 3 parts of film forming agent, 3 parts of stabilizer, 3 parts of binder.
The present invention also provides a kind of preparation methods of high adsorption function film, include the following steps:
S1, PVC material and ldpe resin are chosen in proportion, and the two is placed in fine grinding machine and is finely ground
Then the mixture of the two is placed in reaction vessel, and add into reaction vessel by mill until its particle diameter is less than 5um
Benzene series organic solvent makes it completely dissolved under conditions of 40 degrees Celsius, so as to obtain the first mixed solution；
S2, silica, magnetic material powder, epoxidized vegetable oil, active powdered carbon and toluene are chosen in proportion again, and will be above-mentioned
Raw material is placed in mixer simultaneously, is mixed at normal temperature, and mixing time is 30min, obtains the second mixture, and will mix
It closes object and is again placed in fine gtinding in fine grinding machine, until its particle diameter is less than 5um；
The first mixed solution in S3, selection S1, the first mixed solution is placed in 80 degrees Celsius of environment and is mixed,
And during mixing, the second mixture in S2 is slowly positioned at wherein, after the completion of its addition, under this condition
Stirring 50min is continuesd to mix, third mixture is obtained；
S4, Twin screw extruder is chosen again, and third mixture is placed in one, then add film forming agent, stabilization thereto
Agent and binder, and 12min is mixed in 50 degrees Celsius of environment, after the completion, by being granulated, squeezing in Twin screw extruder
Out, and according to the requirement to functional membrane, it forms a film in such a way that film surface is fervent or air-cooled tie rod to get to high absorption function
It can film.
The epoxidized vegetable oil is specially one or more of soybean oil, corn oil and rapeseed oil mixture.
The stabilizer is specially the mixture of calcium stearate, magnesium stearate, zinc stearate and titanium dioxide, and hard
Resin acid calcium, magnesium stearate, zinc stearate and titanium dioxide molal weight ratio be 1:1:3.
Embodiment 2
The invention proposes a kind of high adsorption function film, the formula of raw material by weight is as follows: 42 parts of PVC material, low-density are poly-
22 parts of vinyl, 13 parts of benzene series organic solvent, 5 parts of silica, 5 parts of magnetic material powder, 1.5 parts of epoxidized vegetable oil, activity
1.5 parts of powdered carbon, 1.5 parts of toluene, 3.5 parts of film forming agent, 3.5 parts of stabilizer, 3.5 parts of binder.
The present invention also provides a kind of preparation methods of high adsorption function film, include the following steps:
S1, PVC material and ldpe resin are chosen in proportion, and the two is placed in fine grinding machine and is finely ground
Then the mixture of the two is placed in reaction vessel, and add into reaction vessel by mill until its particle diameter is less than 5um
Benzene series organic solvent makes it completely dissolved under conditions of 45 degrees Celsius, so as to obtain the first mixed solution；
S2, silica, magnetic material powder, epoxidized vegetable oil, active powdered carbon and toluene are chosen in proportion again, and will be above-mentioned
Raw material is placed in mixer simultaneously, is mixed at normal temperature, and mixing time is 35min, obtains the second mixture, and will mix
It closes object and is again placed in fine gtinding in fine grinding machine, until its particle diameter is less than 5um；
The first mixed solution in S3, selection S1, the first mixed solution is placed in 85 degrees Celsius of environment and is mixed,
And during mixing, the second mixture in S2 is slowly positioned at wherein, after the completion of its addition, under this condition
Stirring 55min is continuesd to mix, third mixture is obtained；
S4, Twin screw extruder is chosen again, and third mixture is placed in one, then add film forming agent, stabilization thereto
Agent and binder, and 14min is mixed in 55 degrees Celsius of environment, after the completion, by being granulated, squeezing in Twin screw extruder
Out, and according to the requirement to functional membrane, it forms a film in such a way that film surface is fervent or air-cooled tie rod to get to high absorption function
It can film.
The epoxidized vegetable oil is specially one or more of soybean oil, corn oil and rapeseed oil mixture.
The stabilizer is specially the mixture of calcium stearate, magnesium stearate, zinc stearate and titanium dioxide, and hard
Resin acid calcium, magnesium stearate, zinc stearate and titanium dioxide molal weight ratio be 1:1:3.
Embodiment 3
The invention proposes a kind of high adsorption function film, the formula of raw material by weight is as follows: 44 parts of PVC material, low-density are poly-
25 parts of vinyl, 14 parts of benzene series organic solvent, 6 parts of silica, 6 parts of magnetic material powder, 2 parts of epoxidized vegetable oil, active carbon
2 parts of powder, 2 parts of toluene, 4 parts of film forming agent, 4 parts of stabilizer, 4 parts of binder.
The present invention also provides a kind of preparation methods of high adsorption function film, include the following steps:
S1, PVC material and ldpe resin are chosen in proportion, and the two is placed in fine grinding machine and is finely ground
Then the mixture of the two is placed in reaction vessel, and add into reaction vessel by mill until its particle diameter is less than 5um
Benzene series organic solvent makes it completely dissolved under conditions of 50 degrees Celsius, so as to obtain the first mixed solution；
S2, silica, magnetic material powder, epoxidized vegetable oil, active powdered carbon and toluene are chosen in proportion again, and will be above-mentioned
Raw material is placed in mixer simultaneously, is mixed at normal temperature, and mixing time is 40min, obtains the second mixture, and will mix
It closes object and is again placed in fine gtinding in fine grinding machine, until its particle diameter is less than 5um；
The first mixed solution in S3, selection S1, the first mixed solution is placed in 90 degrees Celsius of environment and is mixed,
And during mixing, the second mixture in S2 is slowly positioned at wherein, after the completion of its addition, under this condition
Stirring 60min is continuesd to mix, third mixture is obtained；
S4, Twin screw extruder is chosen again, and third mixture is placed in one, then add film forming agent, stabilization thereto
Agent and binder, and 16min is mixed in 60 degrees Celsius of environment, after the completion, by being granulated, squeezing in Twin screw extruder
Out, and according to the requirement to functional membrane, it forms a film in such a way that film surface is fervent or air-cooled tie rod to get to high absorption function
It can film.
The epoxidized vegetable oil is specially one or more of soybean oil, corn oil and rapeseed oil mixture.
The stabilizer is specially the mixture of calcium stearate, magnesium stearate, zinc stearate and titanium dioxide, and hard
Resin acid calcium, magnesium stearate, zinc stearate and titanium dioxide molal weight ratio be 1:1:3.
Embodiment 4
The invention proposes a kind of high adsorption function film, the formula of raw material by weight is as follows: 46 parts of PVC material, low-density are poly-
28 parts of vinyl, 15 parts of benzene series organic solvent, 7 parts of silica, 7 parts of magnetic material powder, 2.5 parts of epoxidized vegetable oil, activity
2.5 parts of powdered carbon, 2.5 parts of toluene, 4.5 parts of film forming agent, 4.5 parts of stabilizer, 4.5 parts of binder.
The present invention also provides a kind of preparation methods of high adsorption function film, include the following steps:
S1, PVC material and ldpe resin are chosen in proportion, and the two is placed in fine grinding machine and is finely ground
Then the mixture of the two is placed in reaction vessel, and add into reaction vessel by mill until its particle diameter is less than 5um
Benzene series organic solvent makes it completely dissolved under conditions of 55 degrees Celsius, so as to obtain the first mixed solution；
S2, silica, magnetic material powder, epoxidized vegetable oil, active powdered carbon and toluene are chosen in proportion again, and will be above-mentioned
Raw material is placed in mixer simultaneously, is mixed at normal temperature, and mixing time is 45min, obtains the second mixture, and will mix
It closes object and is again placed in fine gtinding in fine grinding machine, until its particle diameter is less than 5um；
The first mixed solution in S3, selection S1, the first mixed solution is placed in 95 degrees Celsius of environment and is mixed,
And during mixing, the second mixture in S2 is slowly positioned at wherein, after the completion of its addition, under this condition
Stirring 65min is continuesd to mix, third mixture is obtained；
S4, Twin screw extruder is chosen again, and third mixture is placed in one, then add film forming agent, stabilization thereto
Agent and binder, and 18min is mixed in 65 degrees Celsius of environment, after the completion, by being granulated, squeezing in Twin screw extruder
Out, and according to the requirement to functional membrane, it forms a film in such a way that film surface is fervent or air-cooled tie rod to get to high absorption function
It can film.
The epoxidized vegetable oil is specially one or more of soybean oil, corn oil and rapeseed oil mixture.
The stabilizer is specially the mixture of calcium stearate, magnesium stearate, zinc stearate and titanium dioxide, and hard
Resin acid calcium, magnesium stearate, zinc stearate and titanium dioxide molal weight ratio be 1:1:3.
Embodiment 5
The invention proposes a kind of high adsorption function film, the formula of raw material by weight is as follows: 48 parts of PVC material, low-density are poly-
30 parts of vinyl, 16 parts of benzene series organic solvent, 8 parts of silica, 8 parts of magnetic material powder, 3 parts of epoxidized vegetable oil, active carbon
3 parts of powder, 3 parts of toluene, 5 parts of film forming agent, 5 parts of stabilizer, 5 parts of binder.
The present invention also provides a kind of preparation methods of high adsorption function film, include the following steps:
S1, PVC material and ldpe resin are chosen in proportion, and the two is placed in fine grinding machine and is finely ground
Then the mixture of the two is placed in reaction vessel, and add into reaction vessel by mill until its particle diameter is less than 5um
Benzene series organic solvent makes it completely dissolved under conditions of 60 degrees Celsius, so as to obtain the first mixed solution；
S2, silica, magnetic material powder, epoxidized vegetable oil, active powdered carbon and toluene are chosen in proportion again, and will be above-mentioned
Raw material is placed in mixer simultaneously, is mixed at normal temperature, and mixing time is 50min, obtains the second mixture, and will mix
It closes object and is again placed in fine gtinding in fine grinding machine, until its particle diameter is less than 5um；
First mixed solution is placed in 100 degrees Celsius of environment mix and stir by the first mixed solution in S3, selection S1
It mixes, and during mixing, the second mixture in S2 is slowly positioned at wherein, after the completion of its addition, at this
Stirring 70min is continuesd to mix under part, obtains third mixture；
S4, Twin screw extruder is chosen again, and third mixture is placed in one, then add film forming agent, stabilization thereto
Agent and binder, and 20min is mixed in 70 degrees Celsius of environment, after the completion, by being granulated, squeezing in Twin screw extruder
Out, and according to the requirement to functional membrane, it forms a film in such a way that film surface is fervent or air-cooled tie rod to get to high absorption function
It can film.
The epoxidized vegetable oil is specially one or more of soybean oil, corn oil and rapeseed oil mixture.
The stabilizer is specially the mixture of calcium stearate, magnesium stearate, zinc stearate and titanium dioxide, and hard
Resin acid calcium, magnesium stearate, zinc stearate and titanium dioxide molal weight ratio be 1:1:3.
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 (9)
1. a kind of high adsorption function film, which is characterized in that the formula of its raw material by weight is as follows: 40-48 parts of PVC material, low close
Polyvinyl resin 20-30 parts of degree, 12-16 parts of benzene series organic solvent, 4-8 parts of silica, 4-8 parts of magnetic material powder, epoxy are planted
1-3 parts of object oil, active 1-3 parts of powdered carbon, 1-3 parts of toluene, 3-5 parts of film forming agent, 3-5 parts of stabilizer, 3-5 parts of binder.
2. a kind of high adsorption function film according to claim 1, which is characterized in that PVC material, low density polyethylene (LDPE) tree
Rouge, benzene series organic solvent weight ratio be 42-46:22-28:13-15.
3. a kind of high adsorption function film according to claim 1, which is characterized in that silica, magnetic material powder, epoxy
Vegetable oil, active powdered carbon, toluene weight ratio be 5-7:5-7:1.5-2.5:1.5-2.5:1.5-2.5.
4. a kind of high adsorption function film according to claim 1, which is characterized in that film forming agent, stabilizer, binder weight
Amount is than being 3.5-4.5:3.5-4.5:3.5-4.5.
5. a kind of high adsorption function film according to claim 2-4, which is characterized in that the optimization formula of its raw material by weight
It is as follows:
42-46 parts of PVC material, 22-28 parts of ldpe resin, 13-15 parts of benzene series organic solvent, 5-7 parts of silica,
5-7 parts of magnetic material powder, 1.5-2.5 parts of epoxidized vegetable oil, active 1.5-2.5 parts of powdered carbon, 1.5-2.5 parts of toluene, film forming agent
3.5-4.5 parts, 3.5-4.5 parts of stabilizer, 3.5-4.5 parts of binder.
6. a kind of high adsorption function film according to claim 1, which is characterized in that the optimization formula of its raw material by weight is such as
Under:
44 parts of PVC material, 25 parts of ldpe resin, 14 parts of benzene series organic solvent, 6 parts of silica, magnetic material powder 6
Part, 2 parts of epoxidized vegetable oil, active 2 parts of powdered carbon, 2 parts of toluene, 4 parts of film forming agent, 4 parts of stabilizer, 4 parts of binder.
7. a kind of preparation method of high adsorption function film according to claim 1, which comprises the steps of:
S1, PVC material and ldpe resin are chosen in proportion, and the two is placed in fine grinding machine and is finely ground
Then the mixture of the two is placed in reaction vessel, and add into reaction vessel by mill until its particle diameter is less than 5um
Benzene series organic solvent makes it completely dissolved under conditions of 40-60 degrees Celsius, so as to obtain the first mixed solution；
S2, silica, magnetic material powder, epoxidized vegetable oil, active powdered carbon and toluene are chosen in proportion again, and will be above-mentioned
Raw material is placed in mixer simultaneously, is mixed at normal temperature, and mixing time is 30-50min, obtains the second mixture, and
Mixture is again placed in fine gtinding in fine grinding machine, until its particle diameter is less than 5um；
The first mixed solution in S3, selection S1, the first mixed solution is placed in 80-100 degrees Celsius of environment and is mixed
Stirring, and during mixing, the second mixture in S2 is slowly positioned at wherein, after the completion of its addition, at this
Under the conditions of continues to mix stirring 50-70min, obtain third mixture；
S4, Twin screw extruder is chosen again, and third mixture is placed in one, then add film forming agent, stabilization thereto
Agent and binder, and 12-20min is mixed in 50-70 degrees Celsius of environment, after the completion, by Twin screw extruder
It is granulated, squeezes out, and according to the requirement to functional membrane, formed a film in such a way that film surface is fervent or air-cooled tie rod to get arriving
High adsorption function film.
8. a kind of preparation method of high adsorption function film according to claim 7, which is characterized in that the epoxy plant
Oil is specially one or more of soybean oil, corn oil and rapeseed oil mixture.
9. a kind of preparation method of high adsorption function film according to claim 7, which is characterized in that the stabilizer tool
Body is the mixture of calcium stearate, magnesium stearate, zinc stearate and titanium dioxide, and calcium stearate, magnesium stearate, stearic acid
The molal weight of zinc and titanium dioxide ratio is 1:1:3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811316632.3A CN109467848A (en) | 2018-11-07 | 2018-11-07 | A kind of high adsorption function film and preparation method thereof |
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| CN201811316632.3A CN109467848A (en) | 2018-11-07 | 2018-11-07 | A kind of high adsorption function film and preparation method thereof |
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| CN201811316632.3A Pending CN109467848A (en) | 2018-11-07 | 2018-11-07 | A kind of high adsorption function film and preparation method thereof |
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| CN1054257A (en) * | 1991-04-06 | 1991-09-04 | 舒克孝 | Flesh-keeping film (bag) |
| DE202008000810U1 (en) * | 2007-11-04 | 2008-12-24 | BLüCHER GMBH | sorption filter |
| CN101528179A (en) * | 2006-10-25 | 2009-09-09 | 第一三共株式会社 | Packaging material |
| CN101904541A (en) * | 2010-08-04 | 2010-12-08 | 东莞市广益食品添加剂实业有限公司 | Deoxidizing preservative and preparation method thereof |
| CN102500158A (en) * | 2011-11-29 | 2012-06-20 | 无锡格瑞普尔膜科技有限公司 | Preparation method for high-efficiency filter medium with adion exchanging function and membrane filtering function |
| CN105121640A (en) * | 2013-03-14 | 2015-12-02 | Ran生物技术公司 | Methods and materials for microorganism capture |
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| JPS61192388A (en) * | 1985-02-20 | 1986-08-26 | Hitachi Ltd | Antibacterial mineral water purifier |
| CN1054257A (en) * | 1991-04-06 | 1991-09-04 | 舒克孝 | Flesh-keeping film (bag) |
| CN101528179A (en) * | 2006-10-25 | 2009-09-09 | 第一三共株式会社 | Packaging material |
| DE202008000810U1 (en) * | 2007-11-04 | 2008-12-24 | BLüCHER GMBH | sorption filter |
| CN101904541A (en) * | 2010-08-04 | 2010-12-08 | 东莞市广益食品添加剂实业有限公司 | Deoxidizing preservative and preparation method thereof |
| CN102500158A (en) * | 2011-11-29 | 2012-06-20 | 无锡格瑞普尔膜科技有限公司 | Preparation method for high-efficiency filter medium with adion exchanging function and membrane filtering function |
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