CN110079018A - A kind of preparation method of preventing atomization ventilated membrane - Google Patents
A kind of preparation method of preventing atomization ventilated membrane Download PDFInfo
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- CN110079018A CN110079018A CN201910422342.5A CN201910422342A CN110079018A CN 110079018 A CN110079018 A CN 110079018A CN 201910422342 A CN201910422342 A CN 201910422342A CN 110079018 A CN110079018 A CN 110079018A
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- ventilated membrane
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- preventing atomization
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- 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
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- 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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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- 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
- C08K5/00—Use of organic ingredients
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention discloses a kind of preparation method of preventing atomization ventilated membrane, first mixes PP, hydroxypropyl methylcellulose, dibutyl phthalate and PVC in mixing apparatus, obtains mixture one；Then mixture one is put into reaction kettle, coupling agent is added after heating up under vacuum conditions, cools down after stirring, adds phenyl-phosphite, continue to stir to get mixture two；Then ultraviolet absorber and barium stearate are added in mixture two, in double screw extruder extruding pelletization after mixing；The material after extruding pelletization is finally obtained into preventing atomization ventilated membrane by inflation film manufacturing machine blown film.The film that method provided by the invention obtains has good mechanical performance and preventing atomization performance and gas permeability.
Description
Technical field
The invention belongs to chemical industry membrane material preparation technical fields, and in particular to a kind of preparation method of preventing atomization ventilated membrane.
Background technique
Polypropylene (PP) is a kind of thermoplastic resin as prepared by propylene polymerization.Polypropylene is nontoxic, odorless, tasteless
The highly crystalline polymer of milky, density only have 0.90-0.91g/cm3, it is one of kind most light in current all plastics.It
Particularly stable to water, water absorption rate in water is only 0.01%, molecular weight about 8-15 ten thousand.Good moldability, but because shrinking percentage it is big (for
1%-2.5%) thick-walled product is easily recessed, and to some high-precision parts, is difficult to reach requirement, product surface good luster.
Polyacrylic chemical stability is fine, all relatively more steady to various other chemical reagent in addition to it can be corroded by the concentrated sulfuric acid, concentrated nitric acid
It is fixed, but the aliphatic hydrocarbon of low molecular weight, aromatic hydrocarbon and chlorinated hydrocabon etc. can make polypropylene soften and be swollen, while its chemical stability
It also increases with the increase of crystallinity, so polypropylene is suitble to make various chemical pipelines and accessory, anticorrosion ability is good.
Due to good performance thus be widely used in chemical field, especially membrane material, PP is widely used PP, as its by
It is applied to electrochemical field in itself good insulating, there are also packaging field is applied to, it is big is also applied to agriculture field such as plastics
Canopy etc..And for the membrane material based on PP, since its own vapor-permeable type is poor, in use due to the temperature difference and
The performance deficiencies such as the atomization of generation often make its application limited.
Summary of the invention
It is an object of the invention to provide a kind of system of preventing atomization ventilated membrane to overcome the above the deficiencies in the prior art
Preparation Method improves the preventing atomization and permeability of film while guaranteeing good mechanical performance.
Technical scheme is as follows:
A kind of preparation method of preventing atomization ventilated membrane, including following preparation step:
Step 1, by PP20-30 part in parts by weight, 2-5 parts of hydroxypropyl methylcellulose, 1-3 parts of dibutyl phthalate and
PVC5-8 parts mix in mixing apparatus, obtain mixture one；
Mixture one is put into reaction kettle by step 2, is warming up to 80-90 DEG C under vacuum conditions, is added coupling agent 1-2 parts,
Then stirring 20-30 minutes is cooled to 70-80 DEG C, be added phenyl-phosphite 1-2 parts, continues stirring 20-30 minutes, is mixed
Close material two；
Step 3 is added ultraviolet absorber 0.8-1.5 parts and barium stearate 1-3 parts, in twin-screw after mixing in mixture two
Extruder extruding pelletization；
Step 4 obtains preventing atomization ventilated membrane by the material after extruding pelletization by inflation film manufacturing machine blown film.
Further, the preparation method of the preventing atomization ventilated membrane, the temperature mixed in step 1 are 40-50 DEG C, mixing
Time 20-30 minute.
Further, the preparation method of the preventing atomization ventilated membrane, coupling agent is Silane coupling agent KH550 in step 2.
Further, the preparation method of the preventing atomization ventilated membrane, the vacuum degree of vacuum condition is 0.02- in step 2
0.04MPa。
Further, the preparation method of the preventing atomization ventilated membrane, ultraviolet absorber is UV-531 in step 3.
Further, the preparation method of the preventing atomization ventilated membrane, extrusion temperature is 180-190 DEG C in step 3.
Preventing atomization ventilated membrane provided by the invention has good mechanical strength, while having good preventing atomization and breathing freely
Performance, wherein tensile strength has reached 15MPa or more, and elongation at break has reached 355% or more, and preventing atomization performance has reached one
Grade, permeability have reached 2600 WVTR/g/m2More than for 24 hours.
Specific embodiment:
Embodiment 1
A kind of preparation method of preventing atomization ventilated membrane, including following preparation step:
Step 1 exists PP20 part in parts by weight, 2 parts of hydroxypropyl methylcellulose, 1 part and PVC5 parts of dibutyl phthalate
It is mixed in mixing apparatus, mixed temperature is 40 DEG C, incorporation time 20 minutes, obtains mixture one；
Mixture one is put into reaction kettle by step 2, is warming up to 80 DEG C in the case where vacuum degree is the vacuum condition of 0.02MPa, is added
Enter 1 part of Silane coupling agent KH550, stir 20 minutes, be then cooled to 70 DEG C, is added 1 part of phenyl-phosphite, continues stirring 20
Minute, obtain mixture two；
Step 3 is added 0.8 part and 1 part of barium stearate of ultraviolet absorber UV-531, in twin-screw after mixing in mixture two
Extruder extruding pelletization, extrusion temperature are 180-190 DEG C；
Step 4 obtains preventing atomization ventilated membrane by the material after extruding pelletization by inflation film manufacturing machine blown film.
Embodiment 2
A kind of preparation method of preventing atomization ventilated membrane, including following preparation step:
Step 1 exists PP23 part in parts by weight, 3 parts of hydroxypropyl methylcellulose, 2 parts and PVC6 parts of dibutyl phthalate
It is mixed in mixing apparatus, mixed temperature is 45 DEG C, incorporation time 23 minutes, obtains mixture one；
Mixture one is put into reaction kettle by step 2, is warming up to 85 DEG C in the case where vacuum degree is the vacuum condition of 0.03MPa, is added
Enter 1 part of Silane coupling agent KH550, stir 25 minutes, be then cooled to 76 DEG C, is added 1 part of phenyl-phosphite, continues stirring 26
Minute, obtain mixture two；
1 part and 2 parts of barium stearate of ultraviolet absorber UV-531 is added in mixture two, squeezes after mixing in twin-screw for step 3
Machine extruding pelletization out, extrusion temperature are 180-190 DEG C；
Step 4 obtains preventing atomization ventilated membrane by the material after extruding pelletization by inflation film manufacturing machine blown film.
Embodiment 3
A kind of preparation method of preventing atomization ventilated membrane, including following preparation step:
Step 1 exists PP26 part in parts by weight, 4 parts of hydroxypropyl methylcellulose, 2 parts and PVC7 parts of dibutyl phthalate
It is mixed in mixing apparatus, mixed temperature is 47 DEG C, incorporation time 25 minutes, obtains mixture one；
Mixture one is put into reaction kettle by step 2, is warming up to 88 DEG C in the case where vacuum degree is the vacuum condition of 0.03MPa, is added
Enter 2 parts of Silane coupling agent KH550, stir 26 minutes, be then cooled to 75 DEG C, is added 2 parts of phenyl-phosphite, continues stirring 28
Minute, obtain mixture two；
Step 3 is added 1.2 parts and 2 parts of barium stearate of ultraviolet absorber UV-531, in twin-screw after mixing in mixture two
Extruder extruding pelletization, extrusion temperature are 180-190 DEG C；
Step 4 obtains preventing atomization ventilated membrane by the material after extruding pelletization by inflation film manufacturing machine blown film.
Embodiment 4
A kind of preparation method of preventing atomization ventilated membrane, including following preparation step:
Step 1 exists PP28 part in parts by weight, 4 parts of hydroxypropyl methylcellulose, 3 parts and PVC8 parts of dibutyl phthalate
It is mixed in mixing apparatus, mixed temperature is 48 DEG C, incorporation time 27 minutes, obtains mixture one；
Mixture one is put into reaction kettle by step 2, is warming up to 87 DEG C in the case where vacuum degree is the vacuum condition of 0.02MPa, is added
Enter 2 parts of Silane coupling agent KH550, stir 28 minutes, be then cooled to 79 DEG C, is added 2 parts of phenyl-phosphite, continues stirring 25
Minute, obtain mixture two；
Step 3 is added 1.3 parts and 2 parts of barium stearate of ultraviolet absorber UV-531, in twin-screw after mixing in mixture two
Extruder extruding pelletization, extrusion temperature are 180-190 DEG C；
Step 4 obtains preventing atomization ventilated membrane by the material after extruding pelletization by inflation film manufacturing machine blown film.
Embodiment 5
A kind of preparation method of preventing atomization ventilated membrane, including following preparation step:
Step 1 exists PP30 part in parts by weight, 5 parts of hydroxypropyl methylcellulose, 3 parts and PVC8 parts of dibutyl phthalate
It is mixed in mixing apparatus, mixed temperature is 50 DEG C, incorporation time 30 minutes, obtains mixture one；
Mixture one is put into reaction kettle by step 2, is warming up to 90 DEG C in the case where vacuum degree is the vacuum condition of 0.04MPa, is added
Enter 2 parts of Silane coupling agent KH550, stir 30 minutes, be then cooled to 80 DEG C, is added 2 parts of phenyl-phosphite, continues stirring 30
Minute, obtain mixture two；
Step 3 is added 1.5 parts and 3 parts of barium stearate of ultraviolet absorber UV-531, in twin-screw after mixing in mixture two
Extruder extruding pelletization, extrusion temperature are 180-190 DEG C；
Step 4 obtains preventing atomization ventilated membrane by the material after extruding pelletization by inflation film manufacturing machine blown film.
The preventing atomization ventilated membrane that above embodiments are prepared is tested for the property, as a result as follows:
As can be seen from the above results, preventing atomization ventilated membrane provided by the invention has good mechanical strength, while having good
Good preventing atomization and permeability, wherein tensile strength has reached 15MPa or more, and elongation at break has reached 355% or more, prevents
Atomization has reached level-one, and permeability has reached 2600 WVTR/g/m2More than for 24 hours.
Claims (6)
1. a kind of preparation method of preventing atomization ventilated membrane, which is characterized in that including following preparation step:
Step 1, by PP20-30 part in parts by weight, 2-5 parts of hydroxypropyl methylcellulose, 1-3 parts of dibutyl phthalate and
PVC5-8 parts mix in mixing apparatus, obtain mixture one；
Mixture one is put into reaction kettle by step 2, is warming up to 80-90 DEG C under vacuum conditions, is added coupling agent 1-2 parts,
Then stirring 20-30 minutes is cooled to 70-80 DEG C, be added phenyl-phosphite 1-2 parts, continues stirring 20-30 minutes, is mixed
Close material two；
Step 3 is added ultraviolet absorber 0.8-1.5 parts and barium stearate 1-3 parts, in twin-screw after mixing in mixture two
Extruder extruding pelletization；
Step 4 obtains preventing atomization ventilated membrane by the material after extruding pelletization by inflation film manufacturing machine blown film.
2. the preparation method of preventing atomization ventilated membrane according to claim 1, which is characterized in that the temperature mixed in step 1
It is 40-50 DEG C, incorporation time 20-30 minutes.
3. the preparation method of preventing atomization ventilated membrane according to claim 1, which is characterized in that coupling agent is silicon in step 2
Alkane coupling agent KH550.
4. the preparation method of preventing atomization ventilated membrane according to claim 1, which is characterized in that vacuum condition in step 2
Vacuum degree is 0.02-0.04MPa.
5. the preparation method of preventing atomization ventilated membrane according to claim 1, which is characterized in that ultraviolet absorber in step 3
For UV-531.
6. the preparation method of preventing atomization ventilated membrane according to claim 1, which is characterized in that extrusion temperature is in step 3
180-190℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422342.5A CN110079018A (en) | 2019-05-21 | 2019-05-21 | A kind of preparation method of preventing atomization ventilated membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422342.5A CN110079018A (en) | 2019-05-21 | 2019-05-21 | A kind of preparation method of preventing atomization ventilated membrane |
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| Publication Number | Publication Date |
|---|---|
| CN110079018A true CN110079018A (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422342.5A Withdrawn CN110079018A (en) | 2019-05-21 | 2019-05-21 | A kind of preparation method of preventing atomization ventilated membrane |
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| Country | Link |
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| CN (1) | CN110079018A (en) |
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2019
- 2019-05-21 CN CN201910422342.5A patent/CN110079018A/en not_active Withdrawn
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Application publication date: 20190802 |