CN112940317A - BOPP composite film with oxygen-barrier modified preparation - Google Patents
BOPP composite film with oxygen-barrier modified preparation Download PDFInfo
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- CN112940317A CN112940317A CN202110277438.4A CN202110277438A CN112940317A CN 112940317 A CN112940317 A CN 112940317A CN 202110277438 A CN202110277438 A CN 202110277438A CN 112940317 A CN112940317 A CN 112940317A
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- composite film
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- bopp
- bopp composite
- oxygen
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- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 239000011127 biaxially oriented polypropylene Substances 0.000 title claims abstract description 33
- 229920006378 biaxially oriented polypropylene Polymers 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 150000004676 glycans Chemical class 0.000 claims abstract description 18
- 229920001282 polysaccharide Polymers 0.000 claims abstract description 18
- 239000005017 polysaccharide Substances 0.000 claims abstract description 18
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 229920001218 Pullulan Polymers 0.000 claims abstract description 14
- 239000004373 Pullulan Substances 0.000 claims abstract description 14
- 235000019423 pullulan Nutrition 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 11
- MPPPKRYCTPRNTB-UHFFFAOYSA-N 1-bromobutane Chemical compound CCCCBr MPPPKRYCTPRNTB-UHFFFAOYSA-N 0.000 claims abstract description 7
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 239000012043 crude product Substances 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 4
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 abstract description 3
- 239000004917 carbon fiber Substances 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 3
- 229920001778 nylon Polymers 0.000 abstract description 3
- -1 polypropylene Polymers 0.000 abstract description 3
- 229920001155 polypropylene Polymers 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- 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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
-
- 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
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention relates to the technical field of composite films, and discloses a BOPP composite film with an oxygen-barrier modified preparation, which comprises the following steps: a BOPP composite film with an oxygen barrier property modified preparation comprises the following steps: firstly, selecting 150 parts of Pullulan polysaccharide 100-containing material, 1500 parts of stretched polypropylene 1000-containing material, 400 parts of carbon fiber 200-containing material, 50-75 parts of dimethyl sulfoxide, 150 parts of nylon fiber 100-containing material, 700 parts of solvent 400-containing material, 10-15 parts of n-butyl bromide, 10-30 parts of butyl ester and 3-10 parts of isopropene by weight; mixing dimethyl sulfoxide and Pullulan polysaccharide according to a ratio of 1:2, dissolving in a solvent, adding sodium hydroxide powder until the solution returns to room temperature, and continuously stirring for dissolving. According to the BOPP composite film with the oxygen-barrier modified preparation, through reasonable ingredients and manufacturing standards, the modified BOPP composite film not only has the basic performance of a common BOPP composite film, but also has obvious tensile strength improvement and light transmittance performance improvement.
Description
Technical Field
The invention relates to the technical field of composite films, in particular to a BOPP composite film with an oxygen-barrier modified preparation.
Background
The composite film is made of high molecular material compounded by two or more layers of films made of different materials, and is mainly used in the field of packaging, and the composite film can be made into various materials with single material comprehensiveness by compounding, wherein BOPP is also one of the composite films, and when the BOPP composite film is produced, the high molecular solution is firstly made into a sheet or a thick film by a long and narrow machine head, and then the sheet or the thick film can be made into the BOPP composite film in a special stretching mechanism and at a specific temperature.
With the increasing market demand, and because the ordinary composite film is not satisfying people's demand, therefore the BOPP composite film is used widely, and although the BOPP composite film has high transparency, and it is easy to peel off when using, but ordinary BOPP composite film stability is relatively poor, more easily takes place rapid aging under external environment such as light, heat, oxygen, so a modified BOPP composite film is urgently needed now.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a BOPP composite film with an oxygen barrier property modifying agent, which has an environmental protection effect.
The invention adopts the following technical scheme for realizing the technical purpose: a BOPP composite film with an oxygen barrier property modified preparation comprises the following steps:
a BOPP composite film with an oxygen barrier property modified preparation comprises the following steps:
s1, firstly selecting 150 parts of Pullulan polysaccharide 100-;
s2, mixing dimethyl sulfoxide and Pullulan polysaccharide according to the ratio of 1:2, dissolving in a solvent, then adding sodium hydroxide powder until the solution returns to the room temperature, continuously stirring for dissolving, and after completely mixing, dropping n-butyl bromide;
s3, adding distilled water into the obtained solution, washing, filtering and drying in vacuum after a precipitate is formed, and obtaining alkylated pulullan polysaccharide;
s4, mixing the obtained alkylated Pullulan polysaccharide with the prepared materials, turning into a reaction kettle, filling nitrogen into the reaction kettle, isolating and protecting the reaction kettle, and stirring for 25-35min to obtain a uniformly mixed compound;
s5, performing vacuum pumping treatment on the mixture, wherein the vacuum degree is-85 to 100MPa, and the treatment time is 1 to 2 hours;
s6, conveying the dried compound into extrusion molding equipment, setting the temperature at 120-140 ℃, and obtaining the modified BOPP composite film through a bidirectional pull rope.
For optimization, the ratio of butyl ester to isopropene in S1 is 3: 1.
preferably, the precipitate obtained in S3 is crude product, and the crude product is dissolved in ethyl acetate with concentration of 0.05-1 mg/L.
Preferably, the dryness of the composite obtained in S4 is 95% or more.
Preferably, the stirring speed during the S6 adding solvent stirring process is 1000-1200 r/min.
The invention has the following beneficial effects:
according to the BOPP composite film with the oxygen-barrier modified preparation, through reasonable ingredients and manufacturing standards, the modified BOPP composite film not only has the basic performance of a common BOPP composite film, but also has obvious tensile strength improvement and light transmittance performance improvement.
Detailed Description
Example 1:
a BOPP composite film with an oxygen barrier property modified preparation comprises the following steps:
s1, selecting 100 parts of Pullulan polysaccharide, 1000 parts of stretched polypropylene, 200 parts of carbon fiber, 50 parts of dimethyl sulfoxide, 100 parts of nylon fiber, 400 parts of solvent, 10 parts of n-butyl bromide, 10 parts of butyl ester and 30 parts of isopropene by weight;
s2, mixing dimethyl sulfoxide and Pullulan polysaccharide according to the ratio of 1:2, dissolving in a solvent, then adding sodium hydroxide powder until the solution returns to the room temperature, continuously stirring for dissolving, and after completely mixing, dropping n-butyl bromide;
s3, adding distilled water into the obtained solution, washing, filtering and drying in vacuum after a precipitate is formed, and obtaining alkylated pulullan polysaccharide;
s4, mixing the obtained alkylated Pullulan polysaccharide with the prepared materials, turning into a reaction kettle, filling nitrogen into the reaction kettle, performing isolation protection on the reaction kettle, and stirring for 25 to obtain a uniformly mixed compound;
s5, carrying out vacuum pumping treatment on the mixture, wherein the vacuum degree is-85, and the treatment time is 1 h;
and S6, feeding the dried compound into extrusion molding equipment, setting the temperature at 120 ℃, and preparing the modified BOPP composite film through a bidirectional pull rope.
The BOPP composite film obtained in the embodiment has the following properties:
tensile strength/Mpa, MD > -100;
tensile strength/Mpa, TD > 190;
elongation at break/%, MD < ═ 200;
elongation at break/%, TD ═ 80;
gloss/%, 10-15;
example 2:
a BOPP composite film with an oxygen barrier property modified preparation comprises the following steps:
s1, firstly, selecting 150 parts of Pullulan polysaccharide, 1500 parts of stretched polypropylene, 400 parts of carbon fiber, 5 parts of dimethyl sulfoxide, 150 parts of nylon fiber, 700 parts of solvent, 15 parts of n-butyl bromide, 30 parts of butyl ester and 10 parts of isopropene by weight;
s2, mixing dimethyl sulfoxide and Pullulan polysaccharide according to the ratio of 1:2, dissolving in a solvent, then adding sodium hydroxide powder until the solution returns to the room temperature, continuously stirring for dissolving, and after completely mixing, dropping n-butyl bromide;
s3, adding distilled water into the obtained solution, washing, filtering and drying in vacuum after a precipitate is formed, and obtaining alkylated pulullan polysaccharide;
s4, mixing the obtained alkylated Pullulan polysaccharide with the prepared materials, turning into a reaction kettle, filling nitrogen into the reaction kettle, performing isolation protection on the reaction kettle, and stirring for 35min to obtain a uniformly mixed compound;
s5, performing vacuum pumping treatment on the mixture, wherein the vacuum degree is 100MPa, and the treatment time is 2 h;
and S6, feeding the dried compound into extrusion molding equipment, setting the temperature at 140 ℃, and preparing the modified BOPP composite film through a bidirectional pull rope.
The BOPP composite film obtained in the embodiment has the following properties:
tensile strength/Mpa, MD > 120;
tensile strength/Mpa, TD > 210;
elongation at break/%, MD < 180;
elongation at break/%, TD ═ 60;
gloss/%, 15-20;
for optimization, the ratio of butyl ester to isopropene in S1 is 3: 1.
as an optimization, the precipitate obtained in S3 was crude product, which was then dissolved in ethyl acetate at a concentration of 0.05-1 mg/L.
For optimization, the dryness of the composite obtained in S4 was 95% or more.
For optimization, the stirring speed of S6 added into the solvent during stirring is 1000-1200 r/min.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A BOPP composite film with an oxygen barrier property modified preparation is characterized in that: comprises the following steps:
s1, firstly selecting 150 parts of Pullulan polysaccharide 100-;
s2, mixing dimethyl sulfoxide and Pullulan polysaccharide according to the ratio of 1:2, dissolving in a solvent, then adding sodium hydroxide powder until the solution returns to the room temperature, continuously stirring for dissolving, and after completely mixing, dropping n-butyl bromide;
s3, adding distilled water into the obtained solution, washing, filtering and drying in vacuum after a precipitate is formed, and obtaining alkylated pulullan polysaccharide;
s4, mixing the obtained alkylated Pullulan polysaccharide with the prepared materials, turning into a reaction kettle, filling nitrogen into the reaction kettle, isolating and protecting the reaction kettle, and stirring for 25-35min to obtain a uniformly mixed compound;
s5, performing vacuum pumping treatment on the mixture, wherein the vacuum degree is-85 to 100MPa, and the treatment time is 1 to 2 hours;
s6, conveying the dried compound into extrusion molding equipment, setting the temperature at 120-140 ℃, and obtaining the modified BOPP composite film through a bidirectional pull rope.
2. The BOPP composite film with the oxygen barrier property modifying preparation according to claim 1, wherein: the ratio of butyl ester to isopropene in S1 is 3: 1.
3. the BOPP composite film with the oxygen barrier property modifying preparation according to claim 1, wherein: the precipitate obtained in S3 was crude product, which was then dissolved in ethyl acetate at a concentration of 0.05-1 mg/L.
4. The BOPP composite film with the oxygen barrier property modifying preparation according to claim 1, wherein: the dryness of the composite obtained in the S4 is more than 95%.
5. The BOPP composite film with the oxygen barrier property modifying preparation according to claim 1, wherein: and in the stirring process of adding the S6 into the solvent, the stirring speed is 1000-1200 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277438.4A CN112940317A (en) | 2021-03-15 | 2021-03-15 | BOPP composite film with oxygen-barrier modified preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277438.4A CN112940317A (en) | 2021-03-15 | 2021-03-15 | BOPP composite film with oxygen-barrier modified preparation |
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| Publication Number | Publication Date |
|---|---|
| CN112940317A true CN112940317A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110277438.4A Pending CN112940317A (en) | 2021-03-15 | 2021-03-15 | BOPP composite film with oxygen-barrier modified preparation |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997703A (en) * | 1974-03-01 | 1976-12-14 | Sumitomo Chemical Company, Limited | Multilayered molded plastics of pullulan and polymers, paper or aluminum foil |
| US4045388A (en) * | 1974-02-28 | 1977-08-30 | Sumitomo Chemical Company, Limited | Resin composition of hydrophilic pullulan, hydrophobic thermoplastic resin, and plasticizer |
| JP2006198842A (en) * | 2005-01-19 | 2006-08-03 | Sanwa Denpun Kogyo Kk | Gas barrier composite film |
| CN104354418A (en) * | 2014-11-24 | 2015-02-18 | 天津市天塑特种母料有限公司 | BOPP (Biaxially-oriented Polypropylene) composite film with oxygen barrier modified agent |
| CN104401075A (en) * | 2014-11-24 | 2015-03-11 | 天津市天塑特种母料有限公司 | Method for preparing BOPP composite film containing preparation capable of modifying oxygen insulation performance |
| CN109249659A (en) * | 2018-09-11 | 2019-01-22 | 东莞市鼎力薄膜科技有限公司 | The preparation method of modified BOPP laminated film and its composite membrane and optical cement |
-
2021
- 2021-03-15 CN CN202110277438.4A patent/CN112940317A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045388A (en) * | 1974-02-28 | 1977-08-30 | Sumitomo Chemical Company, Limited | Resin composition of hydrophilic pullulan, hydrophobic thermoplastic resin, and plasticizer |
| US3997703A (en) * | 1974-03-01 | 1976-12-14 | Sumitomo Chemical Company, Limited | Multilayered molded plastics of pullulan and polymers, paper or aluminum foil |
| JP2006198842A (en) * | 2005-01-19 | 2006-08-03 | Sanwa Denpun Kogyo Kk | Gas barrier composite film |
| CN104354418A (en) * | 2014-11-24 | 2015-02-18 | 天津市天塑特种母料有限公司 | BOPP (Biaxially-oriented Polypropylene) composite film with oxygen barrier modified agent |
| CN104401075A (en) * | 2014-11-24 | 2015-03-11 | 天津市天塑特种母料有限公司 | Method for preparing BOPP composite film containing preparation capable of modifying oxygen insulation performance |
| CN109249659A (en) * | 2018-09-11 | 2019-01-22 | 东莞市鼎力薄膜科技有限公司 | The preparation method of modified BOPP laminated film and its composite membrane and optical cement |
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Application publication date: 20210611 |