CN104130488A - Microwave special heat-resistant polyethylene freshness-keeping film and preparation method thereof - Google Patents
Microwave special heat-resistant polyethylene freshness-keeping film and preparation method thereof Download PDFInfo
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- CN104130488A CN104130488A CN201410401547.2A CN201410401547A CN104130488A CN 104130488 A CN104130488 A CN 104130488A CN 201410401547 A CN201410401547 A CN 201410401547A CN 104130488 A CN104130488 A CN 104130488A
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- polyethylene
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- light calcium
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
-
- 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
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Abstract
The invention discloses a microwave special heat-resistant polyethylene freshness-keeping film and a preparation method thereof. The microwave special heat-resistant polyethylene freshness-keeping film comprises the following raw materials in parts by mass: 50-60 parts of polyethylene, 4-6 parts of zinc stearate, 8-11 parts of light calcium carbonate, 15-20 parts of nano silicon powder, and 1-3 parts of stearin. According to the invention, through reasonably compounding the polyethylene, the zinc stearate, the light calcium carbonate, the nano silicon powder and the stearin, the obtained freshness-keeping film is good in heat resistance and excellent in tearing strength.
Description
Technical field
The invention belongs to preservative film field, be specifically related to special heat-proof polythene preservative film of a kind of microwave and preparation method thereof.
Background technology
Preservative film is mainly made by polyreaction taking ethene as masterbatch, be mainly used in that microwave food heating, refrigerator food are preserved, fresh and prepared food packaging etc., in family life, sales field, supermarket, hotel and industrial food product pack field extensive application.Preservative film is with its favor convenient, economic, feature attractive in appearance has been subject to people.Along with improving constantly of living standard, people more and more pay close attention to the quality of preservative film and the influence degree to HUMAN HEALTH thereof.And if the heat-resisting degree of existing preservative film is not good, be easy to breakage if use it to carry out microwave heating.
In sum, how to overcome the deficiencies in the prior art and become preservative film field problem demanding prompt solution.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and propose special heat-proof polythene preservative film of a kind of microwave and preparation method thereof, polyethylene preservative film of the present invention has good thermotolerance, can be not damaged because of overlong time in the time of microwave heating.
Technical scheme of the present invention is as follows:
The special heat-proof polythene preservative film of microwave, comprises the following raw material according to mass fraction meter: polyethylene 50-60 part, Zinic stearas 4-6 part, light calcium carbonate 8-11 part, nano silica fume 15-20 part, stearin 1-3 part.
The special heat-proof polythene preservative film of described microwave, comprises the following raw material according to mass fraction meter: 58 parts of polyethylene, 5 parts of Zinic stearass, 9 parts of light calcium carbonates, 16 parts of nano silica fumes, 2 parts of stearins.
The preparation method of the special heat-proof polythene preservative film of described microwave, comprise the following steps: take each raw material according to quality proportioning, polyethylene, Zinic stearas, light calcium carbonate, nano silica fume and stearin are added and in homogenizer, be warming up to 70 DEG C and be uniformly mixed, deliver to forcing machine, extruder temperature is controlled at 120-125 DEG C, after material is delivered to plastics processing mill, material loading is to rolling press again, rolling press temperature is 130-140 DEG C, through calendering, sizing, cooling, curling, cut, pack and get final product to obtain finished product.
Beneficial effect: the present invention is rationally composite by polyethylene, Zinic stearas, light calcium carbonate, nano silica fume and stearin, gained preservative film thermotolerance is good, tearing toughness excellence.
Embodiment
In the present invention, the particle diameter of nano silica fume is 35nm, and purity 99.9%, purchased from Beijing Deco Dao Jin Science and Technology Ltd..
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The special heat-proof polythene preservative film of microwave, comprises the following raw material according to mass fraction meter: 50 parts of polyethylene, 4 parts of Zinic stearass, 8 parts of light calcium carbonates, 15 parts of nano silica fumes, 1 part of stearin.
The preparation method of the present embodiment, comprise the following steps: take each raw material according to quality proportioning, polyethylene, Zinic stearas, light calcium carbonate, nano silica fume and stearin are added and in homogenizer, be warming up to 70 DEG C and be uniformly mixed, deliver to forcing machine, extruder temperature is controlled at 120 DEG C, after material is delivered to plastics processing mill, then material loading is to rolling press, rolling press temperature is 130 DEG C, through calendering, sizing, cooling, curling, cut, pack and get final product to obtain finished product.
This embodiment gained finished product is carried out to Performance Detection, and detected result is in table 1.
Embodiment 2
The special heat-proof polythene preservative film of microwave, comprises the following raw material according to mass fraction meter: 60 parts of polyethylene, 6 parts of Zinic stearass, 11 parts of light calcium carbonates, 20 parts of nano silica fumes, 3 parts of stearins.
The preparation method of the present embodiment, comprise the following steps: take each raw material according to quality proportioning, polyethylene, Zinic stearas, light calcium carbonate, nano silica fume and stearin are added and in homogenizer, be warming up to 70 DEG C and be uniformly mixed, deliver to forcing machine, extruder temperature is controlled at 125 DEG C, after material is delivered to plastics processing mill, then material loading is to rolling press, rolling press temperature is 140 DEG C, through calendering, sizing, cooling, curling, cut, pack and get final product to obtain finished product.
This embodiment gained finished product is carried out to Performance Detection, and detected result is in table 1.
Embodiment 3
The special heat-proof polythene preservative film of microwave, comprises the following raw material according to mass fraction meter: 58 parts of polyethylene, 5 parts of Zinic stearass, 9 parts of light calcium carbonates, 16 parts of nano silica fumes, 2 parts of stearins.
The preparation method of the present embodiment, comprise the following steps: take each raw material according to quality proportioning, polyethylene, Zinic stearas, light calcium carbonate, nano silica fume and stearin are added and in homogenizer, be warming up to 70 DEG C and be uniformly mixed, deliver to forcing machine, extruder temperature is controlled at 125 DEG C, after material is delivered to plastics processing mill, then material loading is to rolling press, rolling press temperature is 135 DEG C, through calendering, sizing, cooling, curling, cut, pack and get final product to obtain finished product.
Embodiment 1-3 gained finished product is carried out to performance test, the results are shown in Table 1:
Table 1 performance test data
As seen from the above table, gained finished product of the present invention has good thermotolerance and tensile strength.
Above-described embodiment is only the explanation to product of the present invention; not the present invention is made to any pro forma restriction; within not departing from technical scheme scope of the present invention, any equivalent that utilizes the technology contents of above-mentioned announcement to make simple transformation, all belongs to protection scope of the present invention.
Claims (3)
1. the special heat-proof polythene preservative film of microwave, is characterized in that, comprises the following raw material according to mass fraction meter: polyethylene 50-60 part, Zinic stearas 4-6 part, light calcium carbonate 8-11 part, nano silica fume 15-20 part, stearin 1-3 part.
2. the special heat-proof polythene preservative film of microwave according to claim 1, is characterized in that, comprises the following raw material according to mass fraction meter: 58 parts of polyethylene, 5 parts of Zinic stearass, 9 parts of light calcium carbonates, 16 parts of nano silica fumes, 2 parts of stearins.
3. the preparation method of the special heat-proof polythene preservative film of microwave claimed in claim 1, it is characterized in that, comprise the following steps: take each raw material according to quality proportioning, polyethylene, Zinic stearas, light calcium carbonate, nano silica fume and stearin are added and in homogenizer, be warming up to 70 DEG C and be uniformly mixed, deliver to forcing machine, extruder temperature is controlled at 120-125 DEG C, after material is delivered to plastics processing mill, material loading is to rolling press again, rolling press temperature is 130-140 DEG C, through calendering, sizing, cooling, curling, cut, pack the finished product getting final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401547.2A CN104130488A (en) | 2014-08-15 | 2014-08-15 | Microwave special heat-resistant polyethylene freshness-keeping film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401547.2A CN104130488A (en) | 2014-08-15 | 2014-08-15 | Microwave special heat-resistant polyethylene freshness-keeping film and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104130488A true CN104130488A (en) | 2014-11-05 |
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|---|---|---|---|
| CN201410401547.2A Pending CN104130488A (en) | 2014-08-15 | 2014-08-15 | Microwave special heat-resistant polyethylene freshness-keeping film and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4837262A (en) * | 1986-02-22 | 1989-06-06 | Jeon Byung S | Non-toxic wrapping film for the packing of foodstuffs and the like |
| JPH07285202A (en) * | 1994-04-20 | 1995-10-31 | Mitsubishi Chem Corp | Laminated resin film |
| JP2000169636A (en) * | 1998-12-11 | 2000-06-20 | Kao Corp | Wrapping film |
| WO2000061677A1 (en) * | 1999-04-14 | 2000-10-19 | 3M Innovative Properties Company | Film wrap composition and method |
| US6727317B2 (en) * | 2002-01-25 | 2004-04-27 | Milliken & Company | Transparent plastic articles comprising certain polymeric components to provide temporary and reversible opacity characteristics |
| CN103289242A (en) * | 2013-06-21 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Antibacterial PVC food fresh-keeping film |
| CN103304877A (en) * | 2013-06-21 | 2013-09-18 | 苏州新区佳合塑胶有限公司 | Antibacterial micro-pore PE (Poly Ethylene) fresh-keeping film of fruits and vegetables |
-
2014
- 2014-08-15 CN CN201410401547.2A patent/CN104130488A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4837262A (en) * | 1986-02-22 | 1989-06-06 | Jeon Byung S | Non-toxic wrapping film for the packing of foodstuffs and the like |
| JPH07285202A (en) * | 1994-04-20 | 1995-10-31 | Mitsubishi Chem Corp | Laminated resin film |
| JP2000169636A (en) * | 1998-12-11 | 2000-06-20 | Kao Corp | Wrapping film |
| WO2000061677A1 (en) * | 1999-04-14 | 2000-10-19 | 3M Innovative Properties Company | Film wrap composition and method |
| US6727317B2 (en) * | 2002-01-25 | 2004-04-27 | Milliken & Company | Transparent plastic articles comprising certain polymeric components to provide temporary and reversible opacity characteristics |
| CN103289242A (en) * | 2013-06-21 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Antibacterial PVC food fresh-keeping film |
| CN103304877A (en) * | 2013-06-21 | 2013-09-18 | 苏州新区佳合塑胶有限公司 | Antibacterial micro-pore PE (Poly Ethylene) fresh-keeping film of fruits and vegetables |
Non-Patent Citations (1)
| Title |
|---|
| 杨结: "表面改性纳米碳酸钙及其填充改性HDPE力学性能的研究", 《中国优秀硕士学位论文工程科技I辑》 * |
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Application publication date: 20141105 |