CN102275361A - Bidirectional easily-torn composite packaging material and preparation method thereof - Google Patents
Bidirectional easily-torn composite packaging material and preparation method thereof Download PDFInfo
- Publication number
- CN102275361A CN102275361A CN2011101184899A CN201110118489A CN102275361A CN 102275361 A CN102275361 A CN 102275361A CN 2011101184899 A CN2011101184899 A CN 2011101184899A CN 201110118489 A CN201110118489 A CN 201110118489A CN 102275361 A CN102275361 A CN 102275361A
- Authority
- CN
- China
- Prior art keywords
- sealing layer
- printing
- hot sealing
- metallocene
- package material
- 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.)
- Granted
Links
Landscapes
- Laminated Bodies (AREA)
- Wrappers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a bidirectional easily-torn composite packaging material and a preparation method thereof. The packaging material is formed by compounding a heat-sealing layer, a bonding layer and a surface printing layer, wherein the heat-sealing layer is made of a metallocene polyethylene (PE) and ethylene vinyl acetate (EVA) blending modification body; the bonding layer is made of a metallocene PE and low-density polyethylene (LDPE) blending modification body; and the surface printing layer is made of glass paper. The composite packaging material has high bidirectional easily-torn performance and can be comfortably torn by hands. The combined strength, the extrusion resistance, the falling resistance and the heat-sealing strength of the composite packaging material are not reduced compared with those of the original flexible package product while the composite packaging material has bidirectional easily-torn performance. The composite packaging material can be printed with exquisite patterns and has attractive appearance; a product has bidirectional easily-torn performance, so that the packaging material can be conveniently used by customers; and the packaging material can be used for packaging products such as puffed foods, candies, small milk powder bags, small coffee bags and the like.
Description
Technical field
The present invention relates to a kind of film and preparation method thereof, especially a kind of two-way compound package material and preparation method thereof that easily tears.
Background technology
Raising along with people's living standard, requirement to packing is also improving constantly, easy-to-rupture to material is also had higher requirement, flexible packing products easy-to-rupture in the market mainly relies on plays the tearable mouth solution, it is not really desirable easily to tear effect, little of candy wrapping, though as the milk powder packing tearable mouth is arranged greatly, the opening effect is all undesirable; The high base material of mechanical means or laser means destruction mechanical strength that adopts in the fixed position that also has forms densely covered mechanical hole or forms easy-torn line, easily tears effect thereby reach.The mode of easily the tearing effect of mechanical damage base material will be got well, and has destroyed substrate surface but exist, and the product barrier descends, in the product that has the shelf-life the to require careful usefulness of still needing.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of two-way compound package material that easily tears, and it need not destroy base material, can have easily to tear effect; The present invention also provides this two-way preparation method who easily tears compound package material.
For solving the problems of the technologies described above, the present invention is composited by hot sealing layer, tack coat and the surface layer of undertaking the printing of; Described hot sealing layer adopts the blending and modifying body of metallocene PE and ethylene-vinyl acetate copolymer (EVA); Described tack coat adopts the blending and modifying body of metallocene PE and low density polyethylene; The described surface layer of undertaking the printing of adopts a glassine paper.
Hot sealing layer of the present invention adopts metallocene PE and EVA to press the blending and modifying body of the part by weight of 1:0.4～0.9.
Tack coat of the present invention adopts metallocene PE and low density polyethylene to press the blending and modifying body of the part by weight of 1:0.5～1.0.
Be coated with the AC binding agent between hot sealing layer of the present invention and the tack coat.
Preparation method's of the present invention processing step is:
(1) preparation of hot sealing layer: add the metallocene PE and the EVA of preparation hot sealing layer to inflation film manufacturing machine, adopt the disposable hot sealing layer of extruding of film-blowing process;
(2) extrude compound working procedure: will prepare the metallocene PE and the low density polyethylene of tack coat, and hot sealing layer and the surface layer of undertaking the printing of extrudes extruding on the compounding machine, undertaking the printing of on tack coat and surface in the recombination process is coated with the AC binding agent between the layer.
The processing temperature of the described step of preparation method of the present invention (1) film-blowing process is 145 ℃, and speed of production is 35 meters/minute.
The process conditions that the described step of preparation method of the present invention (2) is extruded compound working procedure are: first section 70 ℃ of drying tunnel temperatures, second section 75 ℃; 120～130 meters/minute of the speed of a motor vehicle, pressure roller pressure are 3～4kg/cm
2Curing time was controlled at 36 hours, and curing temperature is controlled at 45 ℃; AC agent viscosity is to examine the grace cup 16～20 seconds No. 3.
Preparation method of the present invention undertake the printing of on described surface the layer before extruding compound working procedure, carry out printing in the intaglio plate.
The print speed printing speed of printing in the described intaglio plate of preparation method of the present invention is 160 meters/minute, and bake out temperature is 60 ℃.
Adopt the beneficial effect that technique scheme produced to be: hot sealing layer, tack coat and the surface layer of undertaking the printing of all has the low characteristics of anti-shearing external force among the present invention, makes it laterally, machine direction tear is lower; Therefore the present invention has good two-way easy-to-rupture, can tear easily with hand.
The present invention is when having two-way easy-to-rupture, and its combined strength bination, anti-extrusion performance, crash resistance and heat seal strength are compared with original flexible packing products does not all have decline; After testing, its combined strength bination is 2～3N/15mm, and heat seal strength is 10～20N/15mm.
Can be beautifully printed pattern, outward appearance of the present invention is beautiful; Product has two-way easy-to-rupture, makes things convenient for the consumer to use; The packing that can be used for products such as dilated food, candy, milk powder parcel, coffee parcel.
The specific embodiment
The present invention is further detailed explanation below in conjunction with specific embodiment.
Embodiment 1: this is two-way easily to tear compound package material and is composited by hot sealing layer, tack coat and the surface layer of undertaking the printing of; Described hot sealing layer adopts metallocene PE and ethylene-vinyl acetate copolymer (EVA) to press the blending and modifying body of 1:0.3 part by weight; Described tack coat adopts metallocene PE and low density polyethylene to press the blending and modifying body of 1:0.4 part by weight; Be coated with the AC binding agent between hot sealing layer and the tack coat; The described surface layer of undertaking the printing of adopts a glassine paper.Wherein, metallocene PE Exxon Corporation produces, and model is 5401; Ethylene-vinyl acetate copolymer (EVA) Exxon Corporation produces, and model is DF140; Low density polyethylene: Yanshan Petrochemical production, model are 1C7A; AC binding agent model is YH2000S.
The preparation method:
(1) preparation of hot sealing layer: add the metallocene PE and the EVA of preparation hot sealing layer to inflation film manufacturing machine, adopt the disposable hot sealing layer of extruding of film-blowing process; The processing temperature of described film-blowing process is 145 ℃, and speed of production is 35 meters/minute;
(2) surface undertake the printing of the layer carry out printing in the intaglio plate; The print speed printing speed of printing in the described intaglio plate is 160 meters/minute, and bake out temperature is 60 ℃;
(3) extrude compound working procedure: will prepare the metallocene PE and the low density polyethylene of tack coat, and hot sealing layer and the surface layer of undertaking the printing of extrudes extruding on the compounding machine, undertaking the printing of on tack coat and surface in the recombination process is coated with the AC binding agent between the layer; The described process conditions of extruding compound working procedure are: first section 70 ℃ of drying tunnel temperatures, second section 75 ℃; 120～130 meters/minute of the speed of a motor vehicle, pressure roller pressure are 3～4kg/cm
2Curing time was controlled at 36 hours, and curing temperature is controlled at 45 ℃; AC agent viscosity is to examine the grace cup 16～20 seconds No. 3.
The resulting two-way combined strength bination of easily tearing compound package material of present embodiment is 2.4N/15mm, and heat seal strength is 13N/15mm.
Embodiment 2: this is two-way easily to tear compound package material by hot sealing layer, tack coat with show that the layer of undertaking the printing of is composited; Described hot sealing layer adopts metallocene PE and ethylene-vinyl acetate copolymer (EVA) to press the blending and modifying body of 1:0.4 part by weight; Described tack coat adopts metallocene PE and low density polyethylene to press the blending and modifying body of 1:0.5 part by weight; Be coated with the AC binding agent between hot sealing layer and the tack coat; The described surface layer of undertaking the printing of adopts a glassine paper.
The preparation method is with embodiment 1.
The resulting two-way combined strength bination of easily tearing compound package material of present embodiment is 2.7N/15mm, and heat seal strength is 16N/15mm.
Embodiment 3: this is two-way easily to tear compound package material and is composited by hot sealing layer, tack coat and the surface layer of undertaking the printing of; Described hot sealing layer adopts metallocene PE and ethylene-vinyl acetate copolymer (EVA) to press the blending and modifying body of 1:0.5 part by weight; Described tack coat adopts metallocene PE and low density polyethylene to press the blending and modifying body of 1:0.6 part by weight; Be coated with the AC binding agent between hot sealing layer and the tack coat; The described surface layer of undertaking the printing of adopts a glassine paper.
The preparation method is with embodiment 1.
The resulting two-way combined strength bination of easily tearing compound package material of present embodiment is 2.5N/15mm, and heat seal strength is 19N/15mm.
Embodiment 4: this is two-way easily to tear compound package material and is composited by hot sealing layer, tack coat and the surface layer of undertaking the printing of; Described hot sealing layer adopts metallocene PE and ethylene-vinyl acetate copolymer (EVA) to press the blending and modifying body of 1:0.6 part by weight; Described tack coat adopts metallocene PE and low density polyethylene to press the blending and modifying body of 1:0.7 part by weight; Be coated with the AC binding agent between hot sealing layer and the tack coat; The described surface layer of undertaking the printing of adopts a glassine paper.
The preparation method is with embodiment 1.
The resulting two-way combined strength bination of easily tearing compound package material of present embodiment is 2.9N/15mm, and heat seal strength is 18N/15mm.
Embodiment 5: this is two-way easily to tear compound package material and is composited by hot sealing layer, tack coat and the surface layer of undertaking the printing of; Described hot sealing layer adopts metallocene PE and ethylene-vinyl acetate copolymer (EVA) to press the blending and modifying body of 1:0.7 part by weight; Described tack coat adopts metallocene PE and low density polyethylene to press the blending and modifying body of 1:0.8 part by weight; Be coated with the AC binding agent between hot sealing layer and the tack coat; The described surface layer of undertaking the printing of adopts a glassine paper.
The preparation method is with embodiment 1.
The resulting two-way combined strength bination of easily tearing compound package material of present embodiment is 2.8N/15mm, and heat seal strength is 16N/15mm.
Embodiment 6: this is two-way easily to tear compound package material and is composited by hot sealing layer, tack coat and the surface layer of undertaking the printing of; Described hot sealing layer adopts metallocene PE and ethylene-vinyl acetate copolymer (EVA) to press the blending and modifying body of 1:0.8 part by weight; Described tack coat adopts metallocene PE and low density polyethylene to press the blending and modifying body of 1:0.9 part by weight; Be coated with the AC binding agent between hot sealing layer and the tack coat; The described surface layer of undertaking the printing of adopts a glassine paper.
The preparation method is with embodiment 1.
The resulting two-way combined strength bination of easily tearing compound package material of present embodiment is 2.6N/15mm, and heat seal strength is 17N/15mm.
Embodiment 7: this is two-way easily to tear compound package material and is composited by hot sealing layer, tack coat and the surface layer of undertaking the printing of; Described hot sealing layer adopts metallocene PE and ethylene-vinyl acetate copolymer (EVA) to press the blending and modifying body of 1:0.9 part by weight; Described tack coat adopts metallocene PE and low density polyethylene to press the blending and modifying body of 1:1 part by weight; Be coated with the AC binding agent between hot sealing layer and the tack coat; The described surface layer of undertaking the printing of adopts a glassine paper.
The preparation method is with embodiment 1.
The resulting two-way combined strength bination of easily tearing compound package material of present embodiment is 2.3N/15mm, and heat seal strength is 14N/15mm.
Claims (9)
1. two-way compound package material that easily tears is characterized in that: it is composited by hot sealing layer, tack coat and the surface layer of undertaking the printing of; Described hot sealing layer adopts the blending and modifying body of metallocene PE and EVA; Described tack coat adopts the blending and modifying body of metallocene PE and low density polyethylene; The described surface layer of undertaking the printing of adopts a glassine paper.
2. the two-way compound package material that easily tears according to claim 1 is characterized in that: described hot sealing layer adopts metallocene PE and EVA to press the blending and modifying body of the part by weight of 1:0.4～0.9.
3. the two-way compound package material that easily tears according to claim 1 is characterized in that: described tack coat adopts metallocene PE and low density polyethylene to press the blending and modifying body of the part by weight of 1:0.5～1.0.
4. according to described any one the two-way compound package material that easily tears of claim 1-3, it is characterized in that: be coated with the AC binding agent between described hot sealing layer and the tack coat.
5. described two-way preparation method who easily tears compound package material of claim 1-4 is characterized in that the processing step of this method is:
(1) preparation of hot sealing layer: add the metallocene PE and the EVA of preparation hot sealing layer to inflation film manufacturing machine, adopt the disposable hot sealing layer of extruding of film-blowing process;
(2) extrude compound working procedure: will prepare the metallocene PE and the low density polyethylene of tack coat, and hot sealing layer and the surface layer of undertaking the printing of extrudes extruding on the compounding machine, undertaking the printing of on tack coat and surface in the recombination process is coated with the AC binding agent between the layer.
6. the two-way preparation method who easily tears compound package material according to claim 5 is characterized in that: the processing temperature of described step (1) film-blowing process is 145 ℃, and speed of production is 35 meters/minute.
7. the two-way preparation method who easily tears compound package material according to claim 5 is characterized in that: the process conditions that described step (2) is extruded compound working procedure are: first section 70 ℃ of drying tunnel temperatures, second section 75 ℃; 120～130 meters/minute of the speed of a motor vehicle, pressure roller pressure are 3～4kg/cm
2Curing time was controlled at 36 hours, and curing temperature is controlled at 45 ℃; AC agent viscosity is to examine the grace cup 16～20 seconds No. 3.
8. according to described any one the two-way preparation method who easily tears compound package material of claim 5-7, it is characterized in that: described surface undertake the printing of the layer before extruding compound working procedure, carry out printing in the intaglio plate.
9. the two-way preparation method who easily tears compound package material according to claim 8 is characterized in that: the print speed printing speed of printing in the described intaglio plate is 160 meters/minute, and bake out temperature is 60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110118489.9A CN102275361B (en) | 2011-05-09 | 2011-05-09 | Bidirectional easily-torn composite packaging material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110118489.9A CN102275361B (en) | 2011-05-09 | 2011-05-09 | Bidirectional easily-torn composite packaging material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102275361A true CN102275361A (en) | 2011-12-14 |
| CN102275361B CN102275361B (en) | 2014-04-02 |
Family
ID=45101238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110118489.9A Active CN102275361B (en) | 2011-05-09 | 2011-05-09 | Bidirectional easily-torn composite packaging material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102275361B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369507A (en) * | 2014-11-21 | 2015-02-25 | 江门市蓬江区华龙包装材料有限公司 | Surface printing film |
| CN104385732A (en) * | 2014-11-21 | 2015-03-04 | 江门市蓬江区华龙包装材料有限公司 | Easy-torn film and using method thereof |
| CN108688272A (en) * | 2018-07-26 | 2018-10-23 | 刘建林 | Packaging bag film and its manufacturing method and packaging bag |
| CN108749217A (en) * | 2018-06-01 | 2018-11-06 | 广东美士达药包材料股份有限公司 | One kind easily tearing composite membrane and preparation method thereof |
| CN109648968A (en) * | 2018-12-18 | 2019-04-19 | 江门市蓬江区华龙包装材料有限公司 | A kind of two-way easily tore film |
| CN110435106A (en) * | 2019-08-09 | 2019-11-12 | 东莞市茂宏电子塑胶有限公司 | A kind of PE protective film production process |
| US11660844B2 (en) | 2017-09-27 | 2023-05-30 | Dupont Teijin Films U.S. Limited Partnership | Composite polymer films |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2548798Y (en) * | 2002-09-05 | 2003-05-07 | 汕头市吉祥装璜工艺厂有限公司 | Printing film with characters and/or patterns |
| CN1552608A (en) * | 2003-12-18 | 2004-12-08 | 黄山永新股份有限公司 | Thin-membrane for closing plastic container open |
| CN101306742A (en) * | 2007-10-19 | 2008-11-19 | 河南双汇投资发展股份有限公司 | Packaging film for foodstuff and method for manufacturing same |
| CN101318392A (en) * | 2008-07-03 | 2008-12-10 | 大连华诺塑料科技有限公司 | Trilaminar co-extrusion thermal contraction resin film, manufacturing method and application method thereof |
-
2011
- 2011-05-09 CN CN201110118489.9A patent/CN102275361B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2548798Y (en) * | 2002-09-05 | 2003-05-07 | 汕头市吉祥装璜工艺厂有限公司 | Printing film with characters and/or patterns |
| CN1552608A (en) * | 2003-12-18 | 2004-12-08 | 黄山永新股份有限公司 | Thin-membrane for closing plastic container open |
| CN101306742A (en) * | 2007-10-19 | 2008-11-19 | 河南双汇投资发展股份有限公司 | Packaging film for foodstuff and method for manufacturing same |
| CN101318392A (en) * | 2008-07-03 | 2008-12-10 | 大连华诺塑料科技有限公司 | Trilaminar co-extrusion thermal contraction resin film, manufacturing method and application method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369507A (en) * | 2014-11-21 | 2015-02-25 | 江门市蓬江区华龙包装材料有限公司 | Surface printing film |
| CN104385732A (en) * | 2014-11-21 | 2015-03-04 | 江门市蓬江区华龙包装材料有限公司 | Easy-torn film and using method thereof |
| US11660844B2 (en) | 2017-09-27 | 2023-05-30 | Dupont Teijin Films U.S. Limited Partnership | Composite polymer films |
| CN108749217A (en) * | 2018-06-01 | 2018-11-06 | 广东美士达药包材料股份有限公司 | One kind easily tearing composite membrane and preparation method thereof |
| CN108688272A (en) * | 2018-07-26 | 2018-10-23 | 刘建林 | Packaging bag film and its manufacturing method and packaging bag |
| CN109648968A (en) * | 2018-12-18 | 2019-04-19 | 江门市蓬江区华龙包装材料有限公司 | A kind of two-way easily tore film |
| CN109648968B (en) * | 2018-12-18 | 2020-08-21 | 江门市华龙膜材股份有限公司 | Two-way easy-to-tear film |
| CN110435106A (en) * | 2019-08-09 | 2019-11-12 | 东莞市茂宏电子塑胶有限公司 | A kind of PE protective film production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102275361B (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102275361B (en) | Bidirectional easily-torn composite packaging material and preparation method thereof | |
| US9993986B2 (en) | Flexible containers and methods of forming the same | |
| CN103003156B (en) | The flexible package of Reclosable and manufacture method thereof | |
| EP1478508B1 (en) | Paperboard substrate for blister packaging | |
| JP2013526465A (en) | Easy-to-open and resealable flexible film packaging product and manufacturing method | |
| WO2001019611A1 (en) | Laminated packaging material and method for producing the same | |
| JP2014518817A (en) | Resealable packaging and manufacturing method thereof | |
| JP6331783B2 (en) | Package | |
| CN102285174B (en) | Composite packaging film and preparation method thereof | |
| US20220388726A1 (en) | Resealable bag with inelastic deformable polymer | |
| CN201761759U (en) | Novel cold forming easy-peeling film | |
| AU2016243998A1 (en) | Multi-ply films for sterilization or pasteurization processes | |
| CN108367849A (en) | Cold seal packaged in flexible film and method | |
| JP6369221B2 (en) | Package | |
| US20040136623A1 (en) | Packaging bag with tear-off opening | |
| WO2021156354A1 (en) | A packaging sheet | |
| CN102470967B (en) | Easy opening packaging for liquid or gel products | |
| CN103522695A (en) | Flexible packaging modified CPP (Chlorinated Polypropylene) thin film and production method thereof | |
| CN105667035A (en) | Easy-tearing packaging film and production process thereof | |
| JP5970777B2 (en) | Package and method for producing the same | |
| CN205818573U (en) | A kind of membrane pharmaceutical packing aluminum-plastic composite membrane | |
| US11577864B2 (en) | Recyclable pouch having reseal closure overlapping an edge seal, formed from rollstock film, on high speed packaging machinery | |
| CN1608840A (en) | Exhibition belt | |
| JP4140307B2 (en) | Packaging method, coextrusion laminated film and square bottom bag | |
| JP2003246030A (en) | Co-extruded laminated film for matt square bottom bag and matt square bottom bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |