CN106185001A - A kind of valve bag containing internal lining paper and preparation method thereof - Google Patents
A kind of valve bag containing internal lining paper and preparation method thereof Download PDFInfo
- Publication number
- CN106185001A CN106185001A CN201610687876.7A CN201610687876A CN106185001A CN 106185001 A CN106185001 A CN 106185001A CN 201610687876 A CN201610687876 A CN 201610687876A CN 106185001 A CN106185001 A CN 106185001A
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- CN
- China
- Prior art keywords
- braid
- bag
- paper
- valve bag
- valve
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/14—Valve bags, i.e. with valves for filling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
Abstract
The invention discloses a kind of valve bag containing internal lining paper and preparation method thereof, comprise the following steps: (1) batch mixing: take ethylene propylene copolymer, filling master batch, lubricant, composite flame-retardant agent by weight as braid raw material mix homogeneously, be dried to obtain braid material；(2) wire drawing yardage roll: carry out wire drawing process, make flat filament；By flat filament rolling, and flat filament is made into woven cloth；(3) cut open cloth overlay film: cut open into the braid of unified specification, at one layer of PE coating layer of braid overlying, then liner ply of paper is connected with braid；(4) rolling printing: stitch rolling connection formation lumen valve bag in staggered to PE coating layer, braid and liner ply of paper；By printing equipment by described valve bag printed design outward appearance；(5) paper plastic forming: valve bag two collapsible is formed at the bottom of upper and lower bag.Present invention process flow process is simple, and the valve bag breathability prepared gets both with sealing, has anti-flaming function, convenient transport and storage concurrently simultaneously.
Description
Technical field
The present invention relates to package packing machine field, more particularly, to a kind of valve bag containing internal lining paper and preparation method thereof.
Background technology
Nowadays, for as the material of ultra-fine powder, graininess etc, such as fine industrial chemicals, medicine chemical material,
Or even as the packaging of food such as flour, food seasoning or the like material is gradually transitions by the Manual Packaging pattern of early stage at present
Semi-automatic or full-automatic Machinary Packaging, and valve bag because of use auto-filling efficiency height, accurate measurement, input manpower
Few, thus be used widely.When particularly carrying out fill under environment under high pressure, existing valve bag is all to use thicker material
Material is made, and the most this valve bag does not have breathability.Secondly, current valve bag includes combination valve pocket, prior art
Middle employing is made up of the paper of outer layer and the longitude and latitude plastic woven material of internal layer, and such valve bag easily makes moist and causes valve bag matter
Amount declines, easily breakage, bears material ability and reduces.
Summary of the invention
For above-mentioned weak point of the prior art, it is an object of the invention to provide a kind of valve bag containing internal lining paper
And preparation method thereof.Described manufacture method uses scientific formula, it is provided that a kind of solid and reliable valve bag, described valve bag is saturating
Gas gets both with sealing, and valve bag breakage rate is low, and load-bearing and telescopicing performance are high, and valve bag heat-proof combustion-resistant performance is high, inculcates thing
Convenient transport and storage after material.
The above-mentioned purpose of the present invention is achieved by the following technical programs.
A kind of valve bag manufacture method containing internal lining paper, comprises the following steps:
(1) batch mixing: take ethylene-propylene copolymer 50～65%, filling master batch 20～35%, lubricant 1～2%, compound resistance by weight
Combustion agent 10～20%, as braid raw material mix homogeneously, is dried to obtain braid material, and baking temperature is 100～120 DEG C, dry
The dry time is 0.5～1h；
(2) wire drawing yardage roll: braid material is carried out wire drawing process, is extruded into thin film, add hot-stretch, make flat filament；By flat filament
Rolling, and flat filament is made into woven cloth；
(3) cut open cloth overlay film: woven cloth is cutd open into the braid of unified specification, use supersonic welding to be connected on one layer of PE of braid overlying
Coating layer, then liner ply of paper is connected with braid, i.e. prepare valve bag material；
(4) rolling printing: stitch rolling connection formation lumen valve bag in staggered to PE coating layer, braid and liner ply of paper；?
Printed design outward appearance on PE coating layer；
(5) paper plastic forming: valve bag two collapsible is formed at the bottom of upper and lower bag.
Unlike the prior art, existing valve bag manufacture method is generally straight after wire drawing yardage roll for the preparation method of the present invention
Connect overlay film, rolling, printing, again rolling are made.The present invention increases before overlay film and cuts open cloth, increases sticky paper rolling after overlay film.The present invention
Manufacture method existing equipment making can be used to obtain the valve bag containing internal lining paper.Preferably, mix described in step (1)
Use kneader；Step (2) described wire drawing processes and uses wire drawing machine, and by the extrusion device of wire drawing machine by braid material
It is extruded into thin film；Step (2) described rolling uses winder, just flat filament to be made into woven cloth and uses circular weaving machine；Step (3) uses
Cut open cloth machine and woven cloth is cutd open into the braid of unified specification, employing is stitched laminating machine at one layer of PE coating layer of braid overlying；Step
Suddenly (4) pass through printing equipment by described valve bag printed design outward appearance.
Preferably, step (1) described filling master batch is that filler core calcium carbonate, coupling layer titanate coupling agent, dispersion layer divide
Powder and the mixture of the mixed layer vector resin of increasing.
Preferably, each material proportioning of described filling master batch is: calcium carbonate 65～75%, titanate coupling agent 1～2%, point
Powder 5～9%, vector resin 15～25%.
Preferably, step (1) described braid raw material mixing temperature be 70～80 DEG C, the time of mixing be 15～
20min。
Preferably, the braid material charging rate that step (2) described wire drawing processes is 150kg/min.
Preferably, in described step (5), the temperature of paper plastic forming is 160 DEG C.
The present invention also provides for a kind of valve bag containing internal lining paper, including valve bag bag and valve port, by described manufacture method
Making obtains；
Described valve bag bag ecto-entad includes PE coating layer, braid, liner ply of paper successively, described braid respectively with PE
Coating layer, liner ply of paper are connected；
Described valve port be arranged on bag at the bottom of side, form the both sides not lining up, staggering at valve port, beat into valve port for material
Bag is internal, and closes to interior invagination bag after material is filled fully.
Preferably, described internal lining paper is heat proof material, has elasticity, and its fusing point is higher than PE coating layer and braid.
Preferably, ultrasonic bonding is used between described PE coating layer and braid.
Preferably, use adhesion article connected longitudinally between described braid and liner ply of paper.
Preferably, described adhesion article has several, arrangement spaced, parallel longitudinal.
Preferably, the extra play that a size is identical, described extra play material are covered at the bottom of the upper and lower bag of described valve bag bag
For braid and the two-in-one composite bed of PE coating layer.
Braid and PE coating layer, three-in-one the coupling together of liner ply of paper are made valve bag bag material, bag by the present invention
Body uses and the form of three layers of staggered rolling is formed bag, and bag shape can be tubular, square or cuboid.Described valve port
Opening does not lines up, side at the bottom of being arranged on bag, beats in bag for material, and to interior invagination bag after material is filled fully
Close.
Compared with prior art, the present invention has the beneficial effects that: with filling master batch mixture, the ethylene-the third of scientific matching
Alkene copolymer, lubricant, composite flame-retardant agent are prepared for the braid material with certain fire resistance；Employing heat resistance is good
Band flexible liner paper；Ultrasonic welding technique is used to make square valve bag structure firm.It is different from the compound of prior art
Valve bag, this valve bag outermost layer is plastic sheeting, and internal layer is internal lining paper, has the effect of moisture effect, present invention process stream
Journey is simple, and the valve bag breathability prepared gets both with sealing, and sealing is convenient, and valve bag breakage rate is low, load-bearing and telescopicing performance
Height, has anti-flaming function, convenient transport and storage concurrently simultaneously.
Accompanying drawing explanation
Fig. 1 is valve bag schematic diagram of the present invention.
Fig. 2 is valve bag bag schematic cross-section of the present invention.
Fig. 3 is the embodiment of the present invention 1 manufacture method schematic flow sheet.
Caption: 1, PE coating layer；2, braid；3, liner ply of paper；4, bag；5, valve port；6, at the bottom of upper bag；7, at the bottom of lower bag；
8, adhesion article.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is carried out
Further describe.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
The present invention.Unless stated otherwise, the present invention uses reagent, method and apparatus are the art conventional reagent, method and set
Standby.
Embodiment 1
As shown in Figure 1-2, a kind of valve bag containing internal lining paper, it includes valve bag bag 4 and valve port 5.Described valve bag bag 4
Ecto-entad includes PE coating layer 1, braid 2, liner ply of paper 3 successively；Described valve port 5 opening does not lines up, and is arranged at the bottom of bag 6
Broadside side, beats into bag for material, and is folded to body cavity by external valve port 5 after material is filled fully, at valve
Automatic-sealed under pocket lumen loading powder self gravitation effect.As long as the both sides of valve port 5 do not line up, it can be edge
Shape is identical but both sides that a length of side is the shortest on one side, or is the different both sides of edge shape, facilitates robotic arm to open.
The multi-layer intercrossed middle seam rolling of described PE coating layer 1, braid 2 and liner ply of paper 3 connects formation valve bag bag 4,
The method can strengthen the bonding strength of valve bag sealing part.Ultrasonic bonding skill is used between described PE coating layer 1 and braid 2
Art；It is connected by the adhesion article 8 at one or more longitudinal interval between described braid 2 and liner ply of paper 3, when for a plurality of adhesion
During bar 8, adhesion article 8 is parallel longitudinal arrangement.Due to internal lining paper can glue stickiness can good, the adhesion article 8 in this embodiment can select
Connect with glue or double faced adhesive tape, economize on resources, convenient operation.Described valve bag bag about 4 is respectively at the bottom of upper bag 6 and lower bag
The end 7, cover at the bottom of described upper and lower bag one layer with bag at the bottom of the extra play of formed objects, described extra play material is braid and PE overlay film
The two-in-one composite bed of layer.Described extra play is connected with using ultrasonic welding method at the bottom of upper and lower bag in this embodiment, produces
Valve bag sound construction.
Specifically, described internal lining paper material is that heat resistance is good and band is elastic, and its fusing point is higher than PE coating layer and braiding
Layer；Described PE coating layer is polyethylene film.
The cross section of described valve bag bag can be various shape, such as circle, square or rectangular etc..
In conjunction with the fabrication processing schematic diagram shown in Fig. 3, a kind of valve bag manufacture method containing internal lining paper, including following
Step:
(1) batch mixing: take ethylene-propylene copolymer 50%, filling master batch 28%, lubricant 2%, composite flame-retardant agent 20% conduct by weight
Braid raw material mix homogeneously in kneader, is dried to obtain braid material, and baking temperature is 100 DEG C, and drying time is
0.5h.Concrete, described filling master batch is filler core calcium carbonate, coupling layer titanate coupling agent, dispersion layer dispersant and increases mixed
The mixture of layer vector resin；Specifically, the calcium carbonate proportioning in described mixture is 65%, titanate coupling agent 1%, dispersant
9%, vector resin 25%；Specifically, the temperature of described braid raw material mixing is 70 DEG C, and the time of mixing is 15min.
(2) wire drawing yardage roll: pour braid material into wire drawing machine with the charging rate of 150kg/min is logical in wire drawing machine
Cross extrusion device and braid raw material is extruded into thin film, add hot-stretch, make flat filament；Winder is by flat filament rolling, for circular weaving machine
Flat filament is made into woven cloth.
(3) cloth overlay film is cutd open: by woven cloth with cuing open cloth machine and cut open into the braid of unified specification, utilization is stitched laminating machine to described
Braid uses ultrasonic welding technique longitudinally to cover one layer of PE coating layer, then is connected with braid by liner ply of paper, i.e. prepares valve
Pocket material.
(4) the middle seam bag producing machine staggered middle seam rolling of rolling printing: braid, PE coating layer and internal lining paper forms lumen valve
Pocket, uses in ultrasonic welding technique welding and stitches；Hollow valve bag is designed outward appearance by press printing.
(5) paper plastic forming: valve bag two collapsible compound to braid, PE coating layer and liner ply of paper is just being become/long
At the bottom of square upper and lower bag, ultrasonic welding technique at the bottom of described valve bag bag, is used to connect, specifically, the temperature control of described paper plastic forming
System is at 160 DEG C.
Complete after above-mentioned steps prepares valve bag can also respectively by section or rolling make bundle bag seam bottom valve pocket or
Heat-sealing valve bag.
Embodiment 2
The present embodiment valve bag containing internal lining paper is same as in Example 1, and its manufacture method is the most same as in Example 1, difference
Place is: step (1) described braid raw material take by weight ethylene-propylene copolymer 65%, filling master batch 20%, lubricant 1%,
Composite flame-retardant agent 14%, as braid raw material mix homogeneously in kneader, is dried to obtain braid material, and baking temperature is
110 DEG C, drying time is 1h.Specifically, the calcium carbonate proportioning in described mixture is 65%, titanate coupling agent 1%, dispersant
9%, vector resin 25%；Specifically, the temperature of described braid raw material mixing is 70 DEG C, and the time of mixing is 20min.
Embodiment 3
The present embodiment valve bag containing internal lining paper is same as in Example 1, and its manufacture method is the most same as in Example 1, difference
Place is: described braid raw material takes ethylene-propylene copolymer 53.5%, filling master batch 35%, lubricant 1.5% by weight, is combined
Fire retardant 10%, as braid raw material mix homogeneously in kneader, is dried to obtain braid material, and baking temperature is 120 DEG C,
Drying time is 0.5h.Specifically, the calcium carbonate proportioning in described mixture is 75%, titanate coupling agent 1%, dispersant 5%,
Vector resin 19%；Specifically, the temperature of described braid raw material mixing is 70 DEG C, and the time of mixing is 15min.
Embodiment 4
The present embodiment valve bag containing internal lining paper is same as in Example 1, and its manufacture method is the most same as in Example 1, difference
Place is: described braid raw material takes ethylene-propylene copolymer 50%, filling master batch 28%, lubricant 2%, composite flame-proof by weight
Agent 20%, as braid raw material mix homogeneously in kneader, is dried to obtain braid material, and baking temperature is 120 DEG C, is dried
Time is 1h.Specifically, the calcium carbonate proportioning in described mixture is 75%, titanate coupling agent 2%, dispersant 8%, carrier tree
Fat 15%；Specifically, the temperature of described braid raw material mixing is 80 DEG C, and the time of mixing is 20min.
The multinomial physical function parameter of the valve bag that test the above embodiment of the present invention 1～4 is made, the present invention tests stretching
Intensity, melting means, the method for testing of oxygen index (OI) is all carried out under identical measuring condition, and concrete test result is as shown in table 1.
The valve bag physical function parameter table that table 1 embodiment 1～4 prepares
Annotation: hot strength unit: MPa；Melting means unit: g/10min；Oxygen index (OI) unit: nothing.
As can be seen from Table 1, a kind of ultrasonic bonding side's bottom valve pocket containing internal lining paper of the present invention and making thereof
Method, each physical property index meets national standard.The prior art application number 201610035712.6 approximated with the present invention, its
The hot strength meansigma methods of valve bag is 38MPa, and the manufacture method that the present invention provides improves the tensile property of material.The present invention
The manufacture method provided, improves the tensile property of material itself, adds flame retardant of plastic performance, is prepared for sealing, surely
The valve bag that qualitative and fire resistance is good, has safe and reliable, economical and practical advantage.
The present invention is not limited to above-mentioned specific embodiment, the ordinary skill popularity of this area from above-mentioned design,
Without performing creative labour, done all conversion, within all falling within protection scope of the present invention.
Claims (10)
1. the valve bag manufacture method containing internal lining paper, it is characterised in that comprise the following steps:
(1) batch mixing: take ethylene-propylene copolymer 50～65%, filling master batch 20～35%, lubricant 1～2%, compound resistance by weight
Combustion agent 10～20%, as braid raw material mix homogeneously, is dried to obtain braid material, and baking temperature is 100～120 DEG C, dry
The dry time is 0.5～1h；
(2) wire drawing yardage roll: braid material is carried out wire drawing process, is extruded into thin film, add hot-stretch, make flat filament；By flat filament
Rolling, and flat filament is made into woven cloth；
(3) cut open cloth overlay film: woven cloth is cutd open into the braid of unified specification, use supersonic welding to be connected on one layer of PE of braid overlying
Coating layer, then liner ply of paper is connected with braid, i.e. prepare valve bag material；
(4) rolling printing: stitch rolling connection formation lumen valve bag in staggered to PE coating layer, braid and liner ply of paper；?
Printed design outward appearance on PE coating layer；
(5) paper plastic forming: valve bag two collapsible is formed at the bottom of upper and lower bag.
Manufacture method the most according to claim 1, it is characterised in that step (1) described filling master batch is filler core carbonic acid
The mixture of the mixed layer vector resin of calcium, coupling layer titanate coupling agent, dispersion layer dispersant and increasing.
Manufacture method the most according to claim 2, it is characterised in that each material proportioning of described filling master batch is: carbonic acid
Calcium 65～75%, titanate coupling agent 1～2%, dispersant 5～9%, vector resin 15～25%.
Manufacture method the most according to claim 2, it is characterised in that the temperature of step (1) described braid raw material mixing
Being 70～80 DEG C, the time of mixing is 15～20min.
Manufacture method the most according to claim 1, it is characterised in that the braid material that step (2) described wire drawing processes
Charging rate is 150kg/min.
Manufacture method the most according to claim 1, it is characterised in that in described step (5), the temperature of paper plastic forming is 160
℃。
7. the valve bag containing internal lining paper, including valve bag bag and valve port, it is characterised in that made by described in claim 1
Make method making to obtain；
Described valve bag bag ecto-entad includes PE coating layer, braid, liner ply of paper successively, described braid respectively with PE
Coating layer, liner ply of paper are connected；
Described valve port be arranged on bag at the bottom of side, form the both sides not lining up, staggering at valve port, beat into valve port for material
Bag is internal, and closes to interior invagination bag after material is filled fully.
Valve bag containing internal lining paper the most according to claim 7, it is characterised in that between described braid and liner ply of paper
Employing adhesion article is connected longitudinally.
Valve bag containing internal lining paper the most according to claim 8, it is characterised in that described adhesion article has several, mutually
Interval, parallel longitudinal arrangement.
Valve bag containing internal lining paper the most according to claim 7, it is characterised in that the upper and lower bag of described valve bag bag
The end, covers the extra play that a size is identical, and described extra play material is braid and the two-in-one composite bed of PE coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687876.7A CN106185001B (en) | 2016-08-19 | 2016-08-19 | A kind of valve bag and preparation method thereof containing internal lining paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687876.7A CN106185001B (en) | 2016-08-19 | 2016-08-19 | A kind of valve bag and preparation method thereof containing internal lining paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106185001A true CN106185001A (en) | 2016-12-07 |
| CN106185001B CN106185001B (en) | 2018-09-28 |
Family
ID=57523145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610687876.7A Active CN106185001B (en) | 2016-08-19 | 2016-08-19 | A kind of valve bag and preparation method thereof containing internal lining paper |
Country Status (1)
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| CN (1) | CN106185001B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2209650Y (en) * | 1995-01-20 | 1995-10-11 | 郑志文 | Paper-plastic composite packaging bag |
| CN2548928Y (en) * | 2002-05-30 | 2003-05-07 | 齐鲁乙烯塑编厂有限公司 | Composite color printed bag with binded middle seam |
| DE202004017835U1 (en) * | 2004-11-17 | 2005-01-20 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Sack for e.g. cement is made from two layers of paper, optionally with intermediate layer of plastic film, printed instructions for use being fitted between outer layer of sack and inner paper layer or plastic film layer |
| CN2772979Y (en) * | 2005-02-28 | 2006-04-19 | 姬永岭 | Packing bag with recovery lining |
| KR20120005494U (en) * | 2011-01-21 | 2012-07-31 | (주)에포코아이엔에스 | A packaging woven bag which is made to a mixing fabric which has soft nature and hard |
| CN104313712A (en) * | 2014-09-22 | 2015-01-28 | 宁波昊宇新材料股份有限公司 | Preparation method for paper-plastic composite bag |
-
2016
- 2016-08-19 CN CN201610687876.7A patent/CN106185001B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2209650Y (en) * | 1995-01-20 | 1995-10-11 | 郑志文 | Paper-plastic composite packaging bag |
| CN2548928Y (en) * | 2002-05-30 | 2003-05-07 | 齐鲁乙烯塑编厂有限公司 | Composite color printed bag with binded middle seam |
| DE202004017835U1 (en) * | 2004-11-17 | 2005-01-20 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Sack for e.g. cement is made from two layers of paper, optionally with intermediate layer of plastic film, printed instructions for use being fitted between outer layer of sack and inner paper layer or plastic film layer |
| CN2772979Y (en) * | 2005-02-28 | 2006-04-19 | 姬永岭 | Packing bag with recovery lining |
| KR20120005494U (en) * | 2011-01-21 | 2012-07-31 | (주)에포코아이엔에스 | A packaging woven bag which is made to a mixing fabric which has soft nature and hard |
| CN104313712A (en) * | 2014-09-22 | 2015-01-28 | 宁波昊宇新材料股份有限公司 | Preparation method for paper-plastic composite bag |
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|---|---|
| CN106185001B (en) | 2018-09-28 |
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