CN111378221A - Stiffness-increasing master batch for improving barrier property of LLDPE (Linear Low Density polyethylene) film and preparation method thereof - Google Patents
Stiffness-increasing master batch for improving barrier property of LLDPE (Linear Low Density polyethylene) film and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a stiffness-increasing master batch for improving the barrier property of an LLDPE (Linear Low Density polyethylene) film, which comprises the following components in parts by weight: 47 to 49.9 parts of carrier resin, 0.01 to 0.15 part of dispersant, 0.05 to 0.1 part of antioxidant and 1 to 49.9 parts of modifier; a preparation method of a stiffness-increasing master batch for improving the barrier property of an LLDPE film mainly comprises the following steps: s1: compounding carrier resin, modifier, dispersant and antioxidant in certain weight proportion; s2: all the components are mixed in a mixing bin and then enter a double-screw extruder to be extruded to form a melt, wherein the extrusion temperature is controlled to be 40-60 ℃ above the melting point of the carrier resin; s3: drawing the melt into strips, granulating, drying and cooling to prepare a stiffening master batch; the invention effectively improves the barrier property and the transparency of the film, reduces the melting point of LLDPE and greatly improves the orientation degree.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a stiffness-increasing master batch for improving the barrier property of an LLDPE (linear low-density polyethylene) film and a preparation method thereof.
Background
At present, high-performance and multifunctional plastic film materials are becoming hot packaging materials. At present, barrier packaging base materials commonly adopted by soft packages at home and abroad comprise: PVDC, EVOH, PA, PVA and the like have lower oxygen permeability, for example, the PVDC with the best barrier effect has the oxygen permeability of only 1.5-4.5g/(24h · square meter · 25 μ · 30 ℃ · 90% RH), and the shelf life can reach 1-2 years. The oxygen permeability of the general LLDPE film is in the range of 2000-2500g/(24h square meter 25um 30 ℃ RH) and the quality guarantee period is only 2-3 days, because the main chain of the LLDPE is a linear structure, the branched chain on the molecular chain is shorter, the arrangement among molecules is more regular, a large amount of crystals and supermolecular structures are formed in the film blowing processing, and the crystal structure has large size, so that the transparency of the LLDPE film is poor. Therefore, to increase the shelf life of LLDPE films, it is desirable to increase the barrier and transparency properties of LLDPE films.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the stiffening master batch for improving the barrier property of the LLDPE film and the preparation method thereof.
The technical scheme for solving the problems comprises the following steps: a stiffness-increasing master batch for improving the barrier property of an LLDPE film comprises the following components in parts by weight:
47 to 49.9 parts of carrier resin, 0.01 to 0.15 part of dispersant, 0.05 to 0.1 part of antioxidant and 1 to 49.9 parts of modifier;
the carrier resin is LLDPE of film grade;
the antioxidant is a compound antioxidant and comprises a main antioxidant and an auxiliary antioxidant, and the mass ratio of the main antioxidant to the auxiliary antioxidant is as follows: and (3) auxiliary antioxidant 1: 2-4, wherein the main antioxidant is a hindered phenol antioxidant 1010 or a hindered phenol antioxidant 1076; the auxiliary antioxidant is phosphite antioxidant 168 or phosphite antioxidant 626;
the dispersant is N, N' -ethylene bis stearamide;
the modifier comprises one of a modified rosin-based nucleating agent, modified nano silicon dioxide and hydrogenated petroleum resin;
the preparation method of the modified rosin-based nucleating agent comprises the steps of heating and reacting a rosin nucleating agent and sufficient thionyl chloride for 24 hours in a nitrogen atmosphere, and then carrying out reduced pressure distillation to remove the thionyl chloride to prepare acylchlorinated rosin; heating ethanol and acylchlorinated rosin for reaction for 24 hours, and removing the ethanol under reduced pressure to obtain the ethanol modified rosin-based nucleating agent;
the preparation method of the modified nano silicon dioxide comprises the steps of mixing nano silicon dioxide and a silane coupling agent KH570 according to the weight ratio of 2; 1, heating to 60 ℃, stirring at high speed for 1 hour, and then discharging to prepare the organosilicon modified nano-silicon dioxide nano-particles;
the hydrogenated petroleum resin comprises one of C5 petroleum resin and C9 petroleum resin.
A preparation method of a stiffness-increasing master batch for improving the barrier property of an LLDPE film mainly comprises the following steps:
s1: compounding carrier resin, modifier, dispersant and antioxidant in certain weight proportion;
s2: all the components are mixed in a mixing bin and then enter a double-screw extruder to be extruded to form a melt, wherein the extrusion temperature is controlled to be 40-60 ℃ above the melting point of the carrier resin;
s3: and (4) drawing the melt into strips, cutting into particles, drying and cooling to prepare the stiffness-increasing master batch.
The invention also comprises the application of the stiffening master batch in PE films.
The invention has the following beneficial effects:
the stiffness-increasing master batch for improving the barrier property of the LLDPE film and the preparation method thereof provided by the invention effectively improve the barrier property and the transparency of the film, reduce the melting point of the LLDPE and greatly improve the orientation degree.
Drawings
FIG. 1 is a scheme of synthesis of a modified rosin-based nucleating agent;
figure 2 is a synthesis scheme of modified nanosilica.
Detailed Description
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. It should be understood that the described embodiments are only a part of the embodiments of the present invention, and do not limit the present invention.
As shown in fig. 1, a modified rosin-based nucleating agent was prepared: heating a rosin nucleating agent and sufficient thionyl chloride to react for 24 hours in a nitrogen atmosphere, and then distilling under reduced pressure to remove the thionyl chloride to prepare acylchlorinated rosin; heating ethanol and acylchlorinated rosin for reaction for 24 hours, and removing the ethanol under reduced pressure to obtain the ethanol modified rosin-based nucleating agent.
As shown in fig. 2, modified nano-silica was prepared: nano silicon dioxide and a silane coupling agent KH570 are mixed according to the weight ratio of 2; adding the raw materials into a vibration ball mill according to the proportion of 1, heating to 60 ℃, stirring at a high speed for 1 hour, and then discharging to prepare the organosilicon modified nano silicon dioxide nano.
The dispersant used in the examples below was N, N' -ethylene bis stearamide; the antioxidant is prepared from the following raw materials in a mass ratio of 1: 2, a mixture of hindered phenolic antioxidant 1010 and phosphite antioxidant 168.
Example 1:
47.3 parts of LLDPE resin, 0.15 part of dispersant, 0.07 part of antioxidant and 2.5 parts of modified rosin-based nucleating agent are mixed; the components are mixed in a mixing bin and then enter a double-screw extruder to be extruded to form a melt, wherein the extrusion temperature is controlled to be 40-60 ℃ above LLDPE resin; and (3) drawing the melt into strips, cutting into particles, drying and cooling to prepare the stiffening master batch A.
Example 2:
47.3 parts of LLDPE resin, 0.15 part of dispersant, 0.07 part of antioxidant and 2.5 parts of modified nano silicon dioxide are mixed; the components are mixed in a mixing bin and then enter a double-screw extruder to be extruded to form a melt, wherein the extrusion temperature is controlled to be 40-60 ℃ above LLDPE resin; and (3) drawing the melt into strips, cutting into particles, drying and cooling to prepare the stiffness-increasing master batch B.
Example 3:
compounding 49.9 parts of LLDPE resin, 0.15 part of dispersant, 0.07 part of antioxidant and 49.9 parts of C9 petroleum resin; the components are mixed in a mixing bin and then enter a double-screw extruder to be extruded to form a melt, wherein the extrusion temperature is controlled to be 40-60 ℃ above LLDPE resin; and (4) drawing the melt into strips, cutting into particles, drying and cooling to prepare the stiffness-increasing master batch C.
Experimental group 1: the LLDPE master batch is blown into a film in a laboratory film blowing machine, and the temperatures from a feeding zone to a die head are respectively as follows: 160. 170, 175 and 175 ℃;
experimental group 2: the LLDPE master batch and the stiffness-increasing master batch A with the mass ratio of 99:1 are blown into a film in a laboratory film blowing machine, and the temperatures from a feeding zone to a die head are respectively as follows: 160. 170, 175 and 175 ℃;
experimental group 3: the LLDPE master batch and the stiffness-increasing master batch B with the mass ratio of 95:5 are blown into a film in a laboratory film blowing machine, and the temperatures from a feeding zone to a die head are respectively as follows: 160. 170, 175 and 175 ℃;
experimental group 4: the LLDPE master batch and the stiffness-increasing master batch C with the mass ratio of 88:12 are blown into a film in a laboratory film blowing machine, and the temperatures from a feeding zone to a die head are respectively as follows: 160. 170, 175 and 175 ℃;
experimental group 5: the LLDPE master batch and the stiffness-increasing master batch C with the mass ratio of 76:24 are blown into a film in a laboratory film blowing machine, and the temperatures from a feeding zone to a die head are respectively as follows: 160. 170, 175 and 175 ℃.
Experimental groups 1-5 were subjected to film property analysis:
1. experimental groups 1-5 were subjected to Differential Scanning Calorimetry (DSC) analysis: the temperature was raised from 50 ℃ to 200 ℃ at a rate of temperature rise of 10 ℃/min, held for 3min, and then lowered to 50 ℃ at a rate of 10 ℃/min, using a TA DSC25 differential scanning calorimeter, as measured by ASTM D3418, and the melting and crystallization processes of the samples were recorded, where TC, Δ HC, Tm, and Δ Hm are the crystallization temperature, the crystallization enthalpy, the melting temperature, and the melting enthalpy, respectively, and the data are shown in Table 1.
TABLE 1 DSC data
| Sample number | Tm/℃ | ΔHm/(J·g-1) | TC/℃ | ΔHC/(J·g-1) |
| 1 | 122.20 | 57.56 | 105.06 | 58.85 |
| 2 | 122.72 | 84.27 | 110.34 | 81.29 |
| 3 | 122.90 | 72.14 | 108.42 | 73.44 |
| 4 | 123.21 | 88.13 | 112.24 | 85.32 |
| 5 | 123.45 | 89.22 | 113.12 | 86.33 |
2. The experimental groups 1-5 were subjected to optical property testing: the light transmittance and haze of LLDPE films were measured using a WGT-S light transmittance/haze meter according to GB 2410-.
TABLE 2 optical Property analysis data
| Sample number | Transmittance (a) | Haze/% |
| 1 | 91.40 | 12.34 |
| 2 | 91.34 | 10.21 |
| 3 | 91.13 | 24.26 |
| 4 | 91.25 | 1.12 |
| 5 | 91.30 | 1.08 |
3. Test groups 1-5 were tested for barrier properties: the gas transmission coefficient (pg) is tested by a GDP-C type gas transmission tester according to GB/T1038-2000 Experimental method for gas transmission of plastic films and sheets, pressure difference method; the moisture permeability is tested by adopting an LHS-100CL type constant temperature and humidity chamber according to GB 1037-.
TABLE 3 Barrier Performance analysis data
After the nucleating agent is added, the moisture permeability and the oxygen permeability of the LLDPE film are both reduced, the barrier property and the transparency of the LLDPE film are improved, but the haze reduction is not obvious enough. The addition of the nano silicon dioxide induces nucleation crystallization in the LLDPE film, so that the free volume of the polyethylene film is reduced, the permeation of water molecules and oxygen molecules is hindered, the barrier property of the film is improved, but the agglomerated silicon dioxide increases the defects of the LLDPE film, and the barrier property is reduced; the hydrogenated petroleum resin plays a role of a plasticizer, namely the melting point of LLDPE can be reduced, the orientation degree can be greatly improved, solute oxygen can pass through the film only through a bent path, and thus the diffusion channel length is improved, so that the barrier property of the film is improved, the content of the petroleum resin is increased, and the barrier property of the LLDPE film is obviously improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (9)
1. A stiffness-increasing master batch for improving the barrier property of LLDPE films is characterized in that: a stiffness-increasing master batch for improving the barrier property of a film comprises the following components in parts by weight:
47 to 49.9 parts of carrier resin, 0.01 to 0.15 part of dispersant, 0.05 to 0.1 part of antioxidant and 1 to 49.9 parts of modifier;
the modifier comprises one of a modified rosin-based nucleating agent, modified nano silicon dioxide and hydrogenated petroleum resin.
2. A stiffening masterbatch for improving the barrier properties of LLDPE film as defined in claim 1, wherein: the antioxidant is a compound antioxidant and comprises a main antioxidant and an auxiliary antioxidant, and the mass ratio of the main antioxidant to the auxiliary antioxidant is as follows: and (3) auxiliary antioxidant 1: 2-4, wherein the main antioxidant is a hindered phenol antioxidant 1010 or a hindered phenol antioxidant 1076; the auxiliary antioxidant is phosphite antioxidant 168 or phosphite antioxidant 626.
3. A stiffening masterbatch for improving the barrier properties of LLDPE film as defined in claim 1, wherein: the dispersing agent is N, N' -ethylene bis stearamide.
4. A stiffening masterbatch for improving the barrier properties of LLDPE film as defined in claim 1, wherein: the preparation method of the modified rosin-based nucleating agent comprises the steps of heating and reacting a rosin nucleating agent and sufficient thionyl chloride for 24 hours in a nitrogen atmosphere, and then carrying out reduced pressure distillation to remove the thionyl chloride to prepare acylchlorinated rosin; heating ethanol and acylchlorinated rosin for reaction for 24 hours, and removing the ethanol under reduced pressure to obtain the ethanol modified rosin-based nucleating agent.
5. A stiffening masterbatch for improving the barrier properties of LLDPE film as defined in claim 1, wherein: the preparation method of the modified nano silicon dioxide comprises the steps of mixing nano silicon dioxide and a silane coupling agent KH570 according to the weight ratio of 2; adding the raw materials into a vibration ball mill according to the proportion of 1, heating to 60 ℃, stirring at a high speed for 1 hour, and then discharging to prepare the organosilicon modified nano silicon dioxide nano.
6. A stiffening masterbatch for improving the barrier properties of LLDPE film as defined in claim 1, wherein: the hydrogenated petroleum resin comprises one of C5 petroleum resin and C9 petroleum resin.
7. A stiffening masterbatch for improving the barrier properties of LLDPE films according to any one of claims 1-6 wherein: the carrier resin is a film grade LLDPE.
8. A method of making a stiffening masterbatch according to any of claims 1 to 6, characterized in that: the method mainly comprises the following steps:
s1: compounding carrier resin, modifier, dispersant and antioxidant in certain weight proportion;
s2: all the components are mixed in a mixing bin and then enter a double-screw extruder to be extruded to form a melt, wherein the extrusion temperature is controlled to be 40-60 ℃ above the melting point of the carrier resin;
s3: and (4) drawing the melt into strips, cutting into particles, drying and cooling to prepare the stiffness-increasing master batch.
9. Use of a stiffening masterbatch according to any one of claims 1 to 6 in a PE film.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754949A (en) * | 2021-10-18 | 2021-12-07 | 东莞市迪彩塑胶五金有限公司 | Barrier master batch for preparing polyethylene film and preparation method thereof |
| CN115819891A (en) * | 2022-12-29 | 2023-03-21 | 苏州度辰新材料有限公司 | Polypropylene film master batch with high stiffness and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09157437A (en) * | 1995-12-06 | 1997-06-17 | Mitsui Petrochem Ind Ltd | Master batch composition for crystalline thermoplastic resin |
| JP2014227547A (en) * | 2013-05-27 | 2014-12-08 | 荒川化学工業株式会社 | Crystalline thermoplastic resin composition, and method for producing the same |
| CN104530546A (en) * | 2014-12-22 | 2015-04-22 | 山东农业大学 | Special anti-reflection reinforced master batch for agricultural greenhouse film and preparation method of anti-reflection reinforced master batch |
| CN109705446A (en) * | 2018-12-27 | 2019-05-03 | 佛山佛塑科技集团股份有限公司 | A kind of modified polyolefin mother material and its preparation method and application |
| CN109822953A (en) * | 2019-03-01 | 2019-05-31 | 商洛学院 | A kind of preparation method of Art Design packing film material |
-
2020
- 2020-01-07 CN CN202010014044.5A patent/CN111378221A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09157437A (en) * | 1995-12-06 | 1997-06-17 | Mitsui Petrochem Ind Ltd | Master batch composition for crystalline thermoplastic resin |
| JP2014227547A (en) * | 2013-05-27 | 2014-12-08 | 荒川化学工業株式会社 | Crystalline thermoplastic resin composition, and method for producing the same |
| CN104530546A (en) * | 2014-12-22 | 2015-04-22 | 山东农业大学 | Special anti-reflection reinforced master batch for agricultural greenhouse film and preparation method of anti-reflection reinforced master batch |
| CN109705446A (en) * | 2018-12-27 | 2019-05-03 | 佛山佛塑科技集团股份有限公司 | A kind of modified polyolefin mother material and its preparation method and application |
| CN109822953A (en) * | 2019-03-01 | 2019-05-31 | 商洛学院 | A kind of preparation method of Art Design packing film material |
Non-Patent Citations (3)
| Title |
|---|
| 张敬勇等: "纳米SiO_2改性对聚丙烯薄膜力学性能和阻隔性能的影响", 《北京印刷学院学报》 * |
| 张新民: "高浓度LLDPE/纳米SiO2母粒的制备方法及其在聚乙烯塑料改性中的应用", 《2014年全国塑料着色与色母粒学术交流论文集》 * |
| 李爱元: "改性石油树脂对塑料改性研究进展", 《工程塑料应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754949A (en) * | 2021-10-18 | 2021-12-07 | 东莞市迪彩塑胶五金有限公司 | Barrier master batch for preparing polyethylene film and preparation method thereof |
| CN115819891A (en) * | 2022-12-29 | 2023-03-21 | 苏州度辰新材料有限公司 | Polypropylene film master batch with high stiffness and preparation method thereof |
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