CN109776931A - Black conductive polyethylene film material and preparation method thereof and a kind of black conductive bag - Google Patents
Black conductive polyethylene film material and preparation method thereof and a kind of black conductive bag Download PDFInfo
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- CN109776931A CN109776931A CN201811560258.1A CN201811560258A CN109776931A CN 109776931 A CN109776931 A CN 109776931A CN 201811560258 A CN201811560258 A CN 201811560258A CN 109776931 A CN109776931 A CN 109776931A
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Abstract
The invention discloses a kind of black conductive polyethylene film materials, raw material including following weight percent is made: linear low density polyethylene 25 ~ 35%, high pressure polyethylene 10 ~ 20% and black conductive master batch 50 ~ 60%, preparation method is as follows: weighing each component respectively by weight percentage；Each component is put into extruder and is squeezed out, one area's temperature of the extruder is 145 ~ 155 DEG C, two area's temperature are 150 ~ 160 DEG C, three area's temperature are 150 ~ 160 DEG C, and the die head temperature of the extruder is 150 ~ 170 DEG C, screw speed is 100 ~ 120r/min, host frequency is 12 ~ 14HZ；It is cooled and shaped and winds after extrusion and obtain the black conductive polyethylene film material.Black conductive polyethylene film material of the invention makes polyethylene film have excellent and stable conductive effect by adding black conductive master batch.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to a kind of black conductive polyethylene film material and its preparation
Method and a kind of black conductive bag being prepared using the black conductive polyethylene film material.
Background technique
The demand of the continuous development electronics of Information technology is increasing, but as the development of electronic product can find electronics
Element is smaller and smaller, and precision is higher and higher, also higher and higher for extraneous requirement.In transit with the shaking of car
Electronic component and element can rub between sack and generate electrostatic, and electrostatic is not obtained discharging well and can be caused to element centainly
Loss.
It is reported that the polybag that we can see currently on the market is all common conventional polybag, even if there is conduction
But standard is not achieved for demanding product because conductive effect is bad in bag.Conduction bag is generally used for PC plate, IC circuit,
LED, motherboard, memory, electronic component etc..
PE Conduction bag after the completion of the packaging product outside packaging facilities, such as electronic product finished product for being packed
Mounted box is waited and is packaged again after installing with Conduction bag, be can be well protected Electrostatic Discharge Sensitive in this way and is endangered from potential electrometer.
If packaging bag conductive effect is bad, electrostatic cannot be allowed, which to obtain quickly complete release, causes conduction unsuccessfully to generate
Electrostatic makes damage of product be very rudimentary mistake.Because electrostatic hazard is present in the overall process of electronic product, electrostatic can be inhaled
Dust in attached air be easy to cause the short circuit between device wire.Therefore the conductive resistance value of Conduction bag is very crucial.
Summary of the invention
In view of this, in order to overcome the drawbacks of the prior art, it is excellent that the first object of the present invention is to provide a kind of conductive effect
Different and stable black conductive polyethylene film material.
In order to achieve the above object, the following technical solution is employed by the present invention:
A kind of black conductive polyethylene film material, the raw material including following weight percent are made: linear low density polyethylene 25 ~
35%, high pressure polyethylene 10 ~ 20% and black conductive master batch 50 ~ 60%.
In above-mentioned technical proposal, it is preferable that the raw material including following weight percent is made: linear low density polyethylene
30%, high pressure polyethylene 15% and black conductive master batch 55%.
In above-mentioned technical proposal, it is preferable that the melt index of the linear low density polyethylene is 0.75 ~ 0.85g/
10min, density are 0.95 ~ 0.98g/cm3。
In above-mentioned technical proposal, it is preferable that the melt index of the high pressure polyethylene is 0.3 ~ 0.6g/10min, and density is
0.92~0.93g/cm3。
In above-mentioned technical proposal, it is preferable that the melt index of the black conductive master batch is 0.5 ~ 2.0g/10min, density
For 0.95 ~ 1.05g/cm3。
In above-mentioned technical proposal, it is preferable that the softening temperature of the black conductive master batch is more than or equal to 85 DEG C.
The second object of the present invention is to provide the preparation method of above-mentioned black conductive polyethylene film material, including walks as follows
It is rapid:
Step 1: each raw material is weighed respectively by weight percentage；
Step 2: each raw material weighed in the step 1 is put into extruder, area's temperature of the extruder is
145 ~ 155 DEG C, two area's temperature be 150 ~ 160 DEG C, three area's temperature are 150 ~ 160 DEG C, the die head temperature of the extruder is 150 ~
170 DEG C, screw speed be 100 ~ 120r/min, host frequency is 12 ~ 14HZ；
Step 3: being cooled and shaped and winding obtains the black conductive polyethylene film material.
The present invention also provides a kind of black conductive bags, and which employs black conductive polyethylene film material systems as described above
It is standby to form.
Compared with prior art, the invention has the beneficial effects that: black conductive polyethylene film material of the invention passes through
Black conductive master batch is added, makes polyethylene film that there is excellent and stable conductive effect.
Specific embodiment
The preferred embodiment of the present invention is described in detail below.
Embodiment 1
Step 1: by weight percentage, following component: linear low density polyethylene 25%, high pressure polyethylene 15%, black are weighed
Conductive agglomerate 60%, wherein the melt index of linear low density polyethylene is 0.75g/10min, density 0.95g/cm3；High pressure
The melt index of polyethylene is 0.3g/10min, density 0.92g/cm3；The melt index of black conductive master batch is 1.0g/
10min, density 1.02g/cm3, the softening temperature of black conductive master batch is 90 DEG C.
Step 2: each component weighed in step 1 is put into extruder, and area's temperature of extruder is 145
DEG C, two area's temperature be 150 DEG C, three area's temperature are 150 DEG C, the die head temperature of extruder is 150 DEG C, screw speed 100r/
Min, host frequency are 13.8HZ.
Step 3: natural cooling forms after extrusion, finally is wound to obtain black conductive polyethylene film by dragger
Material, wherein the lock of dragger is 18HZ.
Embodiment 2
Step 1: by weight percentage, following component: linear low density polyethylene 30%, high pressure polyethylene 15%, black are weighed
Conductive agglomerate 55%, wherein the melt index of linear low density polyethylene is 0.75g/10min, density 0.95g/cm3；High pressure
The melt index of polyethylene is 0.3g/10min, density 0.92g/cm3；The melt index of black conductive master batch is 1.0g/
10min, density 1.02g/cm3, the softening temperature of black conductive master batch is 90 DEG C.
Step 2: each component weighed in step 1 is put into extruder, and area's temperature of extruder is 145
DEG C, two area's temperature be 150 DEG C, three area's temperature are 150 DEG C, the die head temperature of extruder is 150 DEG C, screw speed 100r/
Min, host frequency are 13.8HZ.
Step 3: natural cooling forms after extrusion, finally is wound to obtain black conductive polyethylene film by dragger
Material, wherein the lock of dragger is 18HZ.
Embodiment 3
Step 1: by weight percentage, following component: linear low density polyethylene 35%, high pressure polyethylene 15%, black are weighed
Conductive agglomerate 50%, wherein the melt index of linear low density polyethylene is 0.75g/10min, density 0.95g/cm3；High pressure
The melt index of polyethylene is 0.3g/10min, density 0.92g/cm3；The melt index of black conductive master batch is 1.0g/
10min, density 1.02g/cm3, the softening temperature of black conductive master batch is 90 DEG C.
Step 2: each component weighed in step 1 is put into extruder, and area's temperature of extruder is 145
DEG C, two area's temperature be 150 DEG C, three area's temperature are 150 DEG C, the die head temperature of extruder is 150 DEG C, screw speed 100r/
Min, host frequency are 13.8HZ.
Step 3: natural cooling forms after extrusion, finally is wound to obtain black conductive polyethylene film by dragger
Material, wherein the lock of dragger is 18HZ.
Comparative example 1
Step 1: by weight percentage, following component: linear low density polyethylene 35%, high pressure polyethylene 20%, black are weighed
Conductive agglomerate 45%, wherein the melt index of linear low density polyethylene is 0.75g/10min, density 0.95g/cm3；High pressure
The melt index of polyethylene is 0.3g/10min, density 0.92g/cm3；The melt index of black conductive master batch is 1.0g/
10min, density 1.02g/cm3, the softening temperature of black conductive master batch is 90 DEG C.
Step 2: each component weighed in step 1 is put into extruder, and area's temperature of extruder is 145
DEG C, two area's temperature be 150 DEG C, three area's temperature are 150 DEG C, the die head temperature of extruder is 150 DEG C, screw speed 100r/
Min, host frequency are 13.8HZ.
Step 3: natural cooling forms after extrusion, finally is wound to obtain black conductive polyethylene film by dragger
Material, wherein the lock of dragger is 18HZ.
Comparative example 2
Step 1: by weight percentage, following component: linear low density polyethylene 40%, high pressure polyethylene 20%, black are weighed
Conductive agglomerate 40%, wherein the melt index of linear low density polyethylene is 0.75g/10min, density 0.95g/cm3；High pressure
The melt index of polyethylene is 0.3g/10min, density 0.92g/cm3；The melt index of black conductive master batch is 1.0g/
10min, density 1.02g/cm3, the softening temperature of black conductive master batch is 90 DEG C.
Step 2: each component weighed in step 1 is put into extruder, and area's temperature of extruder is 145
DEG C, two area's temperature be 150 DEG C, three area's temperature are 150 DEG C, the die head temperature of extruder is 150 DEG C, screw speed 100r/
Min, host frequency are 13.8HZ.
Step 3: natural cooling forms after extrusion, finally is wound to obtain black conductive polyethylene film by dragger
Material, wherein the lock of dragger is 18HZ.
Comparative example 3
Step 1: by weight percentage, following component: linear low density polyethylene 40%, high pressure polyethylene 25%, black are weighed
Conductive agglomerate 35%, wherein the melt index of linear low density polyethylene is 0.75g/10min, density 0.95g/cm3；High pressure
The melt index of polyethylene is 0.3g/10min, density 0.92g/cm3；The melt index of black conductive master batch is 1.0g/
10min, density 1.02g/cm3, the softening temperature of black conductive master batch is 90 DEG C.
Step 2: each component weighed in step 1 is put into extruder, and area's temperature of extruder is 145
DEG C, two area's temperature be 150 DEG C, three area's temperature are 150 DEG C, the die head temperature of extruder is 150 DEG C, screw speed 100r/
Min, host frequency are 13.8HZ.
Step 3: natural cooling forms after extrusion, finally is wound to obtain black conductive polyethylene film by dragger
Material, wherein the lock of dragger is 18HZ.
Comparative example 4
Step 1: by weight percentage, following component: linear low density polyethylene 45%, high pressure polyethylene 25%, black are weighed
Conductive agglomerate 30%, wherein the melt index of linear low density polyethylene is 0.75g/10min, density 0.95g/cm3；High pressure
The melt index of polyethylene is 0.3g/10min, density 0.92g/cm3；The melt index of black conductive master batch is 1.0g/
10min, density 1.02g/cm3, the softening temperature of black conductive master batch is 90 DEG C.
Step 2: each component weighed in step 1 is put into extruder, and area's temperature of extruder is 145
DEG C, two area's temperature be 150 DEG C, three area's temperature are 150 DEG C, the die head temperature of extruder is 150 DEG C, screw speed 100r/
Min, host frequency are 13.8HZ.
Step 3: natural cooling forms after extrusion, finally is wound to obtain black conductive polyethylene film by dragger
Material, wherein the lock of dragger is 18HZ.
Embodiment 5
One of the present embodiment black conductive bag, which employs 1 ~ embodiment of embodiment 3 as above and 1 ~ comparative examples of comparative example 4
Polyethylene film material be prepared.In specific preparation process, the size that can according to need is to embodiment 1-3 and right
The polyethylene film material prepared in 1 ~ comparative example of ratio 4 is punched out and hot pressing.
Antistatic test
The Polythene Bag that embodiment 5 is prepared carries out antistatic test, and antistatic test is as follows, in air humidity 65%, temperature
Under conditions of 20 DEG C of degree, voltage 100V, tester, which contact with each embodiment polyethylene film, stops 20S, it is concluded that as follows:
Polythene Bag made from 2 polyethylene film of embodiment 1 and embodiment, conductive effect is good, and test resistance value reaches 105Ohm is appointed
What test point resistance value is consistent.
Polythene Bag made from 3 polyethylene film of embodiment, conductive effect is good, and test resistance value reaches 105Ohm, but it is unstable
Fixed, difference bit test resistance value is beated.
Polythene Bag made from 2 polyethylene film of comparative example 1 and comparative example, test resistance value is preferable, reaches 106Ohm.
Polythene Bag made from 4 polyethylene film of comparative example 3 and comparative example, test resistance value is unstable, reaches 108Ohm,
Conductive effect judges unqualified.
Black conductive polyethylene film material of the invention, by adding black conductive master batch, conductive effect is good, and stablizes,
With excellent and stable conductive effect.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of black conductive polyethylene film material, which is characterized in that the raw material including following weight percent is made: linear low
Density polyethylene 25 ~ 35%, high pressure polyethylene 10 ~ 20% and black conductive master batch 50 ~ 60%.
2. black conductive polyethylene film material according to claim 1, which is characterized in that including following weight percent
Raw material is made: linear low density polyethylene 30%, high pressure polyethylene 15% and black conductive master batch 55%.
3. black conductive polyethylene film material according to claim 1, which is characterized in that the linear low density polyethylene
Melt index be 0.75 ~ 0.85g/10min, density be 0.95 ~ 0.98g/cm3。
4. black conductive polyethylene film material according to claim 1, which is characterized in that the melting of the high pressure polyethylene
Index is 0.3 ~ 0.6g/10min, and density is 0.92 ~ 0.93g/cm3。
5. black conductive polyethylene film material according to claim 1, which is characterized in that the black conductive master batch melts
Melting index is 0.5 ~ 2.0g/10min, and density is 0.95 ~ 1.05g/cm3。
6. black conductive polyethylene film material according to claim 1, which is characterized in that the black conductive master batch it is soft
Change temperature and is more than or equal to 85 DEG C.
7. it is a kind of according to claim 1 ~ any one of 6 described in black conductive polyethylene film material preparation method, feature
It is, includes the following steps:
Step 1: each raw material is weighed respectively by weight percentage；
Step 2: each raw material weighed in the step 1 is put into extruder, area's temperature of the extruder is
145 ~ 155 DEG C, two area's temperature be 150 ~ 160 DEG C, three area's temperature are 150 ~ 160 DEG C, the die head temperature of the extruder is 150 ~
170 DEG C, screw speed be 100 ~ 120r/min, host frequency is 12 ~ 14HZ；
Step 3: being cooled and shaped and winding obtains the black conductive polyethylene film material.
8. the preparation method of black conductive polyethylene film material according to claim 8, which is characterized in that the step 3
In wound by dragger, the lock of the dragger is 17 ~ 20HZ.
9. a kind of black conductive bag, which is characterized in that using black conductive polyethylene film described in any one of claim 1 ~ 6
Material is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560258.1A CN109776931A (en) | 2018-12-20 | 2018-12-20 | Black conductive polyethylene film material and preparation method thereof and a kind of black conductive bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560258.1A CN109776931A (en) | 2018-12-20 | 2018-12-20 | Black conductive polyethylene film material and preparation method thereof and a kind of black conductive bag |
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| Publication Number | Publication Date |
|---|---|
| CN109776931A true CN109776931A (en) | 2019-05-21 |
Family
ID=66497485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811560258.1A Pending CN109776931A (en) | 2018-12-20 | 2018-12-20 | Black conductive polyethylene film material and preparation method thereof and a kind of black conductive bag |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63194928A (en) * | 1987-02-09 | 1988-08-12 | Mitsubishi Petrochem Co Ltd | Manufacture of heat-shrinkable-wrapping polyethylene film |
| CN102286166A (en) * | 2011-08-25 | 2011-12-21 | 江门市三硕新材料有限公司 | Anti-adhesion electroconductive plastic for film blowing |
| CN102604194A (en) * | 2012-02-11 | 2012-07-25 | 常州市嘉鹏塑料制品有限公司 | Transparent electromagnetic shielding film |
| CN103483672A (en) * | 2013-08-29 | 2014-01-01 | 苏州市星辰新材料有限公司 | Antistatic packaging material |
-
2018
- 2018-12-20 CN CN201811560258.1A patent/CN109776931A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63194928A (en) * | 1987-02-09 | 1988-08-12 | Mitsubishi Petrochem Co Ltd | Manufacture of heat-shrinkable-wrapping polyethylene film |
| CN102286166A (en) * | 2011-08-25 | 2011-12-21 | 江门市三硕新材料有限公司 | Anti-adhesion electroconductive plastic for film blowing |
| CN102604194A (en) * | 2012-02-11 | 2012-07-25 | 常州市嘉鹏塑料制品有限公司 | Transparent electromagnetic shielding film |
| CN103483672A (en) * | 2013-08-29 | 2014-01-01 | 苏州市星辰新材料有限公司 | Antistatic packaging material |
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Application publication date: 20190521 |
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