CN104311966A - Anti-pollution low-temperature heat-sealing polyethylene film easy to tear off - Google Patents
Anti-pollution low-temperature heat-sealing polyethylene film easy to tear off Download PDFInfo
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- CN104311966A CN104311966A CN201410603159.2A CN201410603159A CN104311966A CN 104311966 A CN104311966 A CN 104311966A CN 201410603159 A CN201410603159 A CN 201410603159A CN 104311966 A CN104311966 A CN 104311966A
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- polyethylene film
- sealing
- tear
- polyethylene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses an anti-pollution low-temperature heat-sealing polyethylene film easy to tear off. The polyethylene film consists of the following components in part by weight: 45 to 65 parts of polyethylene resin, 15 to 30 parts of EVA (ethylene-vinyl acetate) and 3 to 5 parts of an additive. According to the invention, the polyethylene resin is modified by matching of EVA and the additive; when the prepared polyethylene film is made into a plastic package, a sealing temperature is low, so that the phenomenon of false sealing is effectively avoided; after the plastic package is sealed, the polyethylene film is still easy to tear off, so that the use convenience is improved.
Description
Technical field
The invention belongs to packing film field, particularly, relate to a kind of antipollution, low-temperature heat-sealing, the polyethylene film easily taken off.
Background technology
At present, plastics are widely used in the market, wherein in plastic prod, occupy ratio increasing in plastic wrapping, particularly at medicine, the fields such as chemical industry, and polyethylene film is nontoxic due to it, the reasons such as safety are widely used in pharmaceutical packing, the plastic packaging bag be made up of common PE film is all completed by big machinery, and due to the characteristic of existing PE film itself, usually can there is following shortcoming when sealing in packing bag: heat-sealing temperature is high, usually 115-125 DEG C will be reached, and due to temperature higher, need to reach certain intensity, prolonged mechanical action time, virtually strengthen production dynamics, during sealing, temperature is high, conduction is slow, then the shape of malleable film, and film thickness increases, and easily occurs fold, destroys sealing, and then occurs the phenomenon of " false envelope ", reduces conforming product rate, affects the quality of product, if the powdery type medicine in packaging seals when resting on sealing part, the effect of heat-sealing also can be affected, not easily open after sealing.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of antipollution, low-temperature heat-sealing, the polyethylene film easily taken off.
The present invention's adopted technical scheme that solves the problem is:
A kind of polyethylene film, is made up of the component of following weight part:
Polyvinyl resin: 45-65 weight part;
EVA(ethylene-vinyl acetate copolymer): 15-30 weight part;
Additive: 3-5 weight part.
Wherein, described polyvinyl resin can be selected from least one in following material: linear low density polyethylene (LLDPE), Low Density Polyethylene (LDPE), high density polyethylene(HDPE) (HDPE).
Wherein, described PE(polyethylene) the preferred 50-58 weight part of resin.
Wherein, the preferred 22-30 weight part of described EVA.
Wherein, described additive is selected from least one in following material: amine hydroxybenzene, erucicamide, kemanide S, silicon-dioxide.Described additive specific surface area is high, and resistance to blocking is strong, adds in film, when making film make packaging, is more easily lifted after sealing, improve property easy to use.
The preparation method of polyethylene film of the present invention there is no and specifies, those skilled in the art can select suitable method as the case may be, as adopted inflation film manufacturing machine, by blown film after the polyvinyl resin of described ratio, EVA and additive melting, polyethylene film of the present invention can be obtained.Wherein, melt temperature is 120-125 DEG C.
To sum up, the invention has the beneficial effects as follows: the polyethylene film coordinating modified polyvinyl resin obtained with interpolation by EVA, can be made into plastic wrapping, and have following beneficial effect:
1. sealing temperature is low, and about about 90 DEG C can make strong packing seal, and shortens the mechanical effect time, save energy, reduces production cost;
2. because sealing temperature is low, the shape of film, thickness can not be affected, can effectively avoid the phenomenon of " false envelope " to occur;
3., if the powdery type medicine in packaging seals when resting on sealing part, still can effectively seal;
4. be still easy to open after sealing, improve property easy to use.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Polyethylene film given by the present invention adopts following standard method to carry out performance test:
Stripping strength: measure according to stripping strength assay method (YBB00102003).
Embodiment 1-3
Add melting blowfilm shaping in inflation film manufacturing machine by after each raw material blending of weight part shown in following table 1, wherein melt temperature is 120-125 DEG C, can obtain polyethylene film.
Get above-mentioned obtained polyethylene film, make two pieces of polyethylene films of 100mm × 100mm size, seal at 90 DEG C of-100 DEG C of temperature after stacked, and test its stripping strength and be recorded in table 1.Get and wherein one piece of polyethylene film adheres to a small amount of powdery type medicine, by stacked for the polyethylene film of two block specifications sizes (one side being attached with powder is folded in the middle of two polyethylene films), seal at 90 DEG C of-100 DEG C of temperature, result shows that these two pieces of films still can effectively seal.
Table 1
| Raw material | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| LDPE | 45 | - | 30 |
| HDPE | - | 58 | 35 |
| EVA | 15 | 22 | 30 |
| Amine hydroxybenzene | 2.5 | - | 5 |
| Silicon-dioxide | 1 | 3 | - |
| Stripping strength N/mm | 2.9 | 3.1 | 2.5 |
From in upper table 1, can find out, the stripping strength of the wrapping material that polyethylene film of the present invention is made is no more than 3.1N/mm, is about 2.5-3.1N/mm, has both had certain cohesive strength, has taken up medicine, more easily opened again, improves property easy to use.
In sum, polyethylene film heat-sealing temperature of the present invention is low, shortens the mechanical effect time, save energy, reduce production cost, and can effectively avoid the phenomenon of " false envelope " to occur, after sealing, both there is certain cohesive strength, take up medicine, more easily open again, improve property easy to use.
As mentioned above, the present invention can be realized preferably.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention; according to technical spirit of the present invention; within the spirit and principles in the present invention; the any simple amendment that above embodiment is done, equivalently replace and improve, within the protection domain all still belonging to technical solution of the present invention.
Claims (5)
1. a polyethylene film, is made up of the component of following weight part:
Polyvinyl resin: 45-65 weight part;
EVA:15-30 weight part;
Additive: 3-5 weight part.
2. polyethylene film as claimed in claim 1, it is characterized in that, described polyvinyl resin is selected from least one in following material: linear low density polyethylene, Low Density Polyethylene, high density polyethylene(HDPE).
3. polyethylene film as claimed in claim 1, it is characterized in that, described polyvinyl resin is 50-58 weight part.
4. polyethylene film as claimed in claim 1, it is characterized in that, described EVA is 22-30 weight part.
5. polyethylene film as claimed in claim 1, it is characterized in that, described additive is selected from least one in following material: amine hydroxybenzene, erucicamide, kemanide S, silicon-dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410603159.2A CN104311966A (en) | 2014-10-31 | 2014-10-31 | Anti-pollution low-temperature heat-sealing polyethylene film easy to tear off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410603159.2A CN104311966A (en) | 2014-10-31 | 2014-10-31 | Anti-pollution low-temperature heat-sealing polyethylene film easy to tear off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104311966A true CN104311966A (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410603159.2A Pending CN104311966A (en) | 2014-10-31 | 2014-10-31 | Anti-pollution low-temperature heat-sealing polyethylene film easy to tear off |
Country Status (1)
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| CN (1) | CN104311966A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105524333A (en) * | 2016-02-04 | 2016-04-27 | 四川汇利实业有限公司 | Polyethylene film with excellent heat sealing performance |
| CN105538856A (en) * | 2016-01-18 | 2016-05-04 | 广东星格新材料有限公司 | Squeeze osmosis packaging film and production process thereof |
| CN105542291A (en) * | 2016-03-10 | 2016-05-04 | 天津市新姿科技发展有限公司 | Ultra-thin PE (polyethylene) film for packaging bag |
| CN106633342A (en) * | 2016-11-18 | 2017-05-10 | 潍坊仲铂新材料有限公司 | Low-melting-point packing film |
| CN106633340A (en) * | 2016-11-18 | 2017-05-10 | 潍坊仲铂新材料有限公司 | Low-melting-point packaging bag |
| CN106700215A (en) * | 2016-11-18 | 2017-05-24 | 潍坊仲铂新材料有限公司 | Low-melting-point packaging film and low-melting-point packaging bag |
| CN109401036A (en) * | 2018-10-22 | 2019-03-01 | 深圳市智信达光电新材料有限公司 | Material compositing formula, packaging film manufacture craft, packaging film and the mattress of packaging film |
| CN114672087A (en) * | 2022-04-12 | 2022-06-28 | 杭州明日软包装有限公司 | Non-stick easy-to-tear composition, non-stick fruit jam easy-to-tear bag and preparation method of non-stick fruit jam easy-to-tear bag |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805474A (en) * | 2010-03-04 | 2010-08-18 | 国家农产品保鲜工程技术研究中心（天津） | Fruit and vegetable shelf small package bag film and manufacture method |
| CN102816368A (en) * | 2012-09-05 | 2012-12-12 | 江苏万乐复合材料有限公司 | Easily-stripping polyethylene packaging film |
-
2014
- 2014-10-31 CN CN201410603159.2A patent/CN104311966A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805474A (en) * | 2010-03-04 | 2010-08-18 | 国家农产品保鲜工程技术研究中心（天津） | Fruit and vegetable shelf small package bag film and manufacture method |
| CN102816368A (en) * | 2012-09-05 | 2012-12-12 | 江苏万乐复合材料有限公司 | Easily-stripping polyethylene packaging film |
Non-Patent Citations (1)
| Title |
|---|
| 陈志军等: "《功能母料》", 31 July 2007, article "开口母料", pages: 296-298 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538856A (en) * | 2016-01-18 | 2016-05-04 | 广东星格新材料有限公司 | Squeeze osmosis packaging film and production process thereof |
| CN105538856B (en) * | 2016-01-18 | 2018-01-09 | 广东星格新材料有限公司 | One kind extruding infiltration packaging film and its production technology |
| CN105524333A (en) * | 2016-02-04 | 2016-04-27 | 四川汇利实业有限公司 | Polyethylene film with excellent heat sealing performance |
| CN105542291A (en) * | 2016-03-10 | 2016-05-04 | 天津市新姿科技发展有限公司 | Ultra-thin PE (polyethylene) film for packaging bag |
| CN106633342A (en) * | 2016-11-18 | 2017-05-10 | 潍坊仲铂新材料有限公司 | Low-melting-point packing film |
| CN106633340A (en) * | 2016-11-18 | 2017-05-10 | 潍坊仲铂新材料有限公司 | Low-melting-point packaging bag |
| CN106700215A (en) * | 2016-11-18 | 2017-05-24 | 潍坊仲铂新材料有限公司 | Low-melting-point packaging film and low-melting-point packaging bag |
| CN109401036A (en) * | 2018-10-22 | 2019-03-01 | 深圳市智信达光电新材料有限公司 | Material compositing formula, packaging film manufacture craft, packaging film and the mattress of packaging film |
| CN114672087A (en) * | 2022-04-12 | 2022-06-28 | 杭州明日软包装有限公司 | Non-stick easy-to-tear composition, non-stick fruit jam easy-to-tear bag and preparation method of non-stick fruit jam easy-to-tear bag |
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Application publication date: 20150128 |