CN103044909A - Packaging plastic substrate thin film containing nylon PA6 - Google Patents
Packaging plastic substrate thin film containing nylon PA6 Download PDFInfo
- Publication number
- CN103044909A CN103044909A CN2012104821234A CN201210482123A CN103044909A CN 103044909 A CN103044909 A CN 103044909A CN 2012104821234 A CN2012104821234 A CN 2012104821234A CN 201210482123 A CN201210482123 A CN 201210482123A CN 103044909 A CN103044909 A CN 103044909A
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- CN
- China
- Prior art keywords
- parts
- powder
- plastic substrate
- packaging plastic
- nylon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention discloses a packaging plastic substrate thin film containing nylon PA6. The film is prepared from the following raw materials in parts by weight: 20-25 parts of nylon PA6, 20-25 parts of LDPE (low-density polyethylene), 10-15 parts of SG-1 type polyvinyl chloride, 3-5 parts of epoxy flax oil, 2-3 parts of polyethylene wax powder, 1-2 parts of distearoyl isopropoxy aluminate, 8-12 parts of diatomite, 0.8-1.2 parts of polyisobutene, 1-2 parts of poly-4-methyl-1-amylene, 0.8-1.5 parts of zinc oxide, 8-12 parts of wollastonite powder, 2.4-4.7 parts of mica powder, 0.3-0.8 part of tree ash, 0.8-1.5 parts of polyethylene terephthalate, 1.5-3 parts of coumarone, 1-2 parts of calcium stearate, 1-2 parts of aminopropyltriethoxysilane, 1-2 parts of ferrocene and 1.2-2.4 parts of modified smectite powder. The food packaging plastic substrate thin film provided by the invention is good in barrier property and airtightness, good in anti-fouling performance, excellent in resistance to pressure and impact resistance; and simultaneously, the food packaging plastic substrate thin film has the characteristics of high heat-sealing strength and good heat-sealing performance.
Description
Technical field
The present invention relates to the wrapping material field, exactly is a kind of packaging plastic substrate film that contains nylon PA6.
Background technology
China is that world's packing is made and consumption big country, and the ratio of plastic wrapping in the Packaging Industry gross output value surpasses 30%, becomes the fresh combatants in the Packaging Industry, bringing into play irreplaceable effect in food, beverage, daily necessities and industrial and agricultural production every field.In recent years, wrapped product, the wrapping material of plastic wrapping industry grow steadily, and new packaging materials, novel process, new technology, product innovation continue to bring out.The food packing plastic substrate film is used the polyethylene raw material production usually, and the polyethylene raw material that can be used for making the food packing plastic substrate film of multiple superior performance is arranged on the Vehicles Collected from Market.From main plastics variety, in the plastic wrapping field, the consumption of density polyethylene film with high will continue steady growth.The polyethylene film of individual layer is poor to the barrier of the gases such as oxygen, when packing the food such as fried class, easily cause sealing part to pollute, general liquid packaging polyethylene film is poor to the sealing property of this type of packing, can not satisfy the requirement of its technology of the package and connection with wrapping of piece staging life, therefore must adopt barrier property and be mingled with all good multilaminar polyethylene modified film or laminated films of sealing property.
Summary of the invention
The packaging plastic substrate film that nylon PA6 is arranged that a kind of heat seal strength of purpose of the present invention is high.
Above-mentioned purpose realizes by following scheme:
A kind of packaging plastic substrate film that contains nylon PA6 is characterized in that: it is that raw material by following weight parts makes: nylon PA6 20-25, LDPE Low Density Polyethylene 20-25, SG-1 type polyvinyl chloride 10-15, epoxy oleum lini 3-5, polyethylene wax powder 2-3, sec.-propyl distearyl acyl-oxygen base Aluminate 1-2, diatomite 8-12, polyisobutene 0.8-1.2, poly--4-methyl-1-pentene 1-2, zinc oxide 0.8-1.5, wollastonite powder 8-12, mica powder 2.4-4.7, trees ashes 0.3-0.8, terephthalate 0.8-1.5, coumarone 1.5-3, calcium stearate 1-2, aminopropyl triethoxysilane 1-2, ferrocene 1-2, modified montmorillonite used powder 1.2-2.4;
The preparation method of described modified montmorillonite used powder is: montmorillonite was soaked 3-4 hour with the 10-15% hydrochloric acid soln, in 500-550 ℃ of lower roasting 5-6 hour, be ground into 400-500 order powder again, it mixes with the Polysorbate 80 that is equivalent to powder weight 3-5%, after stirring, and get final product.
Described a kind of packaging plastic substrate film that contains nylon PA6, it is characterized in that: the preparation method may further comprise the steps:
(1) epoxy oleum lini, polyethylene wax powder are joined in the mixer, be warming up to 80-85 ℃, adding SG-1 type polyvinyl chloride stirred after 5-10 minute, adding sec.-propyl distearyl acyl-oxygen base Aluminate stirred after 10-15 minute, add again modified montmorillonite used powder, be heated to 100-110 ℃, stirred 20-30 minute;
(2), again add other raw material stirring and send into extrusion machine fused mass after evenly and extrude, melt temperature is 185-195 ℃; Carry out the typing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 180-200 ℃; Then traction cutting; Last rolling, and get final product.
Described a kind of packaging plastic substrate film that contains nylon PA6, it is characterized in that: the rotating speed of described forcing machine is controlled at 95-115r/min.
Beneficial effect of the present invention is: food package plastic base material film barrier of the present invention and resistance to air loss are good, and resistance to crocking is good, resistance to pressure and shock-resistance are outstanding, have simultaneously heat seal strength height, characteristics that heat sealability is good.
Embodiment
A kind of packaging plastic substrate film that contains nylon PA6, it is that raw material by following weight parts (kg) makes: nylon PA6 25, LDPE Low Density Polyethylene 23, SG-1 type polyvinyl chloride 12, epoxy oleum lini 3.5, polyethylene wax powder 2.5, sec.-propyl distearyl acyl-oxygen base Aluminate 1.5, diatomite 10.5, polyisobutene 0.8, poly--4-methyl-1-pentene 1.2, zinc oxide 1.2, wollastonite powder 10, mica powder 4.1, trees ashes 0.5, terephthalate 0.8, coumarone 1.8, calcium stearate 1.5, aminopropyl triethoxysilane 1.8, ferrocene 1.5, modified montmorillonite used powder 2.1;
The preparation method of described modified montmorillonite used powder is: montmorillonite was soaked 4 hours with 12% hydrochloric acid soln, in 500 ℃ of lower roastings 6 hours, be ground into 500 order powder again, it mixes with the Polysorbate 80 that is equivalent to powder weight 3.5%, after stirring, and get final product.
Described a kind of packaging plastic substrate film that contains nylon PA6, the preparation method may further comprise the steps:
(1), epoxy oleum lini, polyethylene wax powder are joined in the mixer, be warming up to 85 ℃, add SG-1 type polyvinyl chloride and stir after 8 minutes, adding sec.-propyl distearyl acyl-oxygen base Aluminate stirred after 12 minutes, add again modified montmorillonite used powder, be heated to 100 ℃, stirred 30 minutes;
(2), again add other raw material stirring and send into extrusion machine fused mass after evenly and extrude, melt temperature is 188 ℃; Carry out the typing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 180 ℃; Then traction cutting; Last rolling, and get final product.
The rotating speed of described forcing machine is controlled at 98r/min.
The performance perameter of the product that present embodiment is produced is: tensile strength: 51Mpa; Elongation at break: 1022%; Heat seal strength: 10.9; Frictional coefficient: 0.202.
Claims (3)
1. packaging plastic substrate film that contains nylon PA6 is characterized in that: it is that raw material by following weight parts makes: nylon PA6 20-25, LDPE Low Density Polyethylene 20-25, SG-1 type polyvinyl chloride 10-15, epoxy oleum lini 3-5, polyethylene wax powder 2-3, sec.-propyl distearyl acyl-oxygen base Aluminate 1-2, diatomite 8-12, polyisobutene 0.8-1.2, poly--4-methyl-1-pentene 1-2, zinc oxide 0.8-1.5, wollastonite powder 8-12, mica powder 2.4-4.7, trees ashes 0.3-0.8, terephthalate 0.8-1.5, coumarone 1.5-3, calcium stearate 1-2, aminopropyl triethoxysilane 1-2, ferrocene 1-2, modified montmorillonite used powder 1.2-2.4;
The preparation method of described modified montmorillonite used powder is: montmorillonite was soaked 3-4 hour with the 10-15% hydrochloric acid soln, in 500-550 ℃ of lower roasting 5-6 hour, be ground into 400-500 order powder again, it mixes with the Polysorbate 80 that is equivalent to powder weight 3-5%, after stirring, and get final product.
2. a kind of packaging plastic substrate film that contains nylon PA6 according to claim 1, it is characterized in that: the preparation method may further comprise the steps:
(1) epoxy oleum lini, polyethylene wax powder are joined in the mixer, be warming up to 80-85 ℃, adding SG-1 type polyvinyl chloride stirred after 5-10 minute, adding sec.-propyl distearyl acyl-oxygen base Aluminate stirred after 10-15 minute, add again modified montmorillonite used powder, be heated to 100-110 ℃, stirred 20-30 minute;
(2), again add other raw material stirring and send into extrusion machine fused mass after evenly and extrude, melt temperature is 185-195 ℃; Carry out the typing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 180-200 ℃; Then traction cutting; Last rolling, and get final product.
3. a kind of packaging plastic substrate film that contains nylon PA6 according to claim 2, it is characterized in that: the rotating speed of described forcing machine is controlled at 95-115r/min.
Priority Applications (1)
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CN2012104821234A CN103044909A (en) | 2012-11-25 | 2012-11-25 | Packaging plastic substrate thin film containing nylon PA6 |
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CN2012104821234A CN103044909A (en) | 2012-11-25 | 2012-11-25 | Packaging plastic substrate thin film containing nylon PA6 |
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CN2012104821234A Pending CN103044909A (en) | 2012-11-25 | 2012-11-25 | Packaging plastic substrate thin film containing nylon PA6 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103772977A (en) * | 2013-12-20 | 2014-05-07 | 安徽孟凌精密电子有限公司 | Super-black and bright high-glossiness nylon PA66 nylon gasket composite material combined material |
WO2015131583A1 (en) * | 2014-03-06 | 2015-09-11 | 常熟市江顺塑料制品有限公司 | Ultrathin plastic film overlay |
CN106243697A (en) * | 2016-08-18 | 2016-12-21 | 桐城市弘业塑胶有限公司 | A kind of high-transparency nylon composite film |
CN106317858A (en) * | 2016-08-18 | 2017-01-11 | 桐城市弘业塑胶有限公司 | Nylon-PE mixed plastic film |
CN107556743A (en) * | 2017-10-24 | 2018-01-09 | 安徽松泰包装材料有限公司 | A kind of high-transparency nylon CPP laminated films |
CN112058214A (en) * | 2020-09-01 | 2020-12-11 | 武汉理工大学 | Method for preparing montmorillonite film capable of stably existing in solution |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103772977A (en) * | 2013-12-20 | 2014-05-07 | 安徽孟凌精密电子有限公司 | Super-black and bright high-glossiness nylon PA66 nylon gasket composite material combined material |
WO2015131583A1 (en) * | 2014-03-06 | 2015-09-11 | 常熟市江顺塑料制品有限公司 | Ultrathin plastic film overlay |
CN106243697A (en) * | 2016-08-18 | 2016-12-21 | 桐城市弘业塑胶有限公司 | A kind of high-transparency nylon composite film |
CN106317858A (en) * | 2016-08-18 | 2017-01-11 | 桐城市弘业塑胶有限公司 | Nylon-PE mixed plastic film |
CN107556743A (en) * | 2017-10-24 | 2018-01-09 | 安徽松泰包装材料有限公司 | A kind of high-transparency nylon CPP laminated films |
CN112058214A (en) * | 2020-09-01 | 2020-12-11 | 武汉理工大学 | Method for preparing montmorillonite film capable of stably existing in solution |
CN112058214B (en) * | 2020-09-01 | 2023-01-03 | 武汉理工大学 | Method for preparing montmorillonite film capable of stably existing in solution |
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Application publication date: 20130417 |