CN109851887A - A kind of smooth type composite polyethylene resin of opening - Google Patents
A kind of smooth type composite polyethylene resin of opening Download PDFInfo
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- CN109851887A CN109851887A CN201711244976.3A CN201711244976A CN109851887A CN 109851887 A CN109851887 A CN 109851887A CN 201711244976 A CN201711244976 A CN 201711244976A CN 109851887 A CN109851887 A CN 109851887A
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Abstract
A kind of smooth type composite polyethylene resin of opening, is prepared: low density polyethylene (LDPE) 1 by the component of following weight ratio；Antioxidant A 300/ppm；Antistatic agent 250/ppm；Zinc stearate 250/ppm；Antioxidant B600/ppm；Erucyl amide 450-750/ppm；Silica 1 150-1250/ppm.The method for preparing the smooth type composite polyethylene resin that is open as described above, which comprises the following steps: (1) each component is by weight weighed, all materials are mixed, it is spare；(2) will mix obtained by step (1) material be added extruder melting mixing and extruding pelletization to get.Composite resin provided by the present invention, the polyethylene film made has both preferable opening and smooth effect, while ensure that the optical property of polyethylene film.And preparation process of the present invention is simple, and raw material is easy to get convenient for batch production.
Description
Technical field
The invention belongs to petrochemical industry, specifically a kind of novel polyethylene resin makes when being applied to film article
Product has the excellent smooth effect of opening.
Background technique
Existing polyvinyl resin (POLYETHYLENE, PE) is the polymer formed by vinyl polymerization, and product is developed to
The present has 60 years or so history, and global polyethylene production residence five is general greatly to be used first of resin.Polyethylene is high according to polymerization, molecular weight
Low, chain structure difference, divides high density polyethylene (HDPE), low density polyethylene (LDPE) and linear low density polyethylene.Polyvinyl resin is answered
It is very extensive with range, such as production and processing agricultural mulching, agricultural canopy film, industrial packaging film product, such product is using blown film
Technique after clamping in film take-up by herringbone clamping plate, enters vacuum state between film and film, existing PE resin is given birth to
When production, the friction of the membrane product of preparation is larger, is open not smooth；If other auxiliary agents are added again in film, by serious shadow
Production efficiency is rung, production process is increased.Therefore, it needs to can be carried out improvement to existing 7042 product of polyethylene opening smoothness.
Summary of the invention
The purpose of the present invention is to provide a kind of smooth type composite polyethylene resins of opening, using opening agent and slipping agent phase
In conjunction with the smooth composite polyethylene resin of opening being prepared, to solve the problems of the prior art.
The present invention adopts the following technical scheme: a kind of smooth type composite polyethylene resin of opening, which is characterized in that by as follows
The component of weight ratio is prepared:
Low density polyethylene (LDPE) 1
Antioxidant A 300/ppm；
Antistatic agent 250/ppm；
Zinc stearate 250/ppm；
Antioxidant B 600/ppm；
Erucyl amide 450-750/ppm；
Silica 1 150-1250/ppm.
Further: the low density polyethylene (LDPE) is the powder that partial size is 20 μm, melt index 2.0-5.0g/10min.
Further: the improved silica is porous nano silica, and partial size 30nm, specific surface area is greater than
200m2/g。
Further: the antioxidant A is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester；Resist quiet
Electric agent is octadecyl ethylene glycol amine；Antioxidant B is three [ 2.4- di-tert-butyl-phenyl ] phosphite esters.
A method of preparing the smooth type composite polyethylene resin that is open as described above, which is characterized in that including following
Step:
(1) each component is weighed by weight, and all materials are mixed, it is spare；
(2) will mix obtained by step (1) material be added extruder melting mixing and extruding pelletization to get.
Advantages of the present invention is as follows: composite resin provided by the present invention, and the polyethylene film made has both preferably
Opening and smooth effect, while ensure that the optical property of polyethylene film.And preparation process of the present invention is simple, and raw material is easy
Is obtained convenient for batch production.
Specific embodiment
In order to keep technical purpose of the invention, technical scheme and beneficial effects clearer, combined with specific embodiments below
Technical solution of the present invention is further illustrated, but the embodiment is intended to explain the present invention, and should not be understood as pair
Limitation of the invention, in the examples where no specific technique or condition is specified, according to the literature in the art described technology or
Condition carries out, reagents or instruments used without specified manufacturer according to product description, is that can be obtained by commercially available
The conventional products obtained.
Embodiment 1:
A kind of smooth type composite polyethylene resin of opening, weighs each component by following weight and mixes in a high speed mixer, will
It mixes material and double screw extruder melting mixing and extruding pelletization is added to get composite resin of the invention:
Each section processing temperature of the double screw extruder from spout to die head are as follows: 155-165 DEG C of first segment, second segment 170-190
DEG C, 175-195 DEG C of third section, the 4th section 160-180 DEG C, revolving speed 160-180r/min, mix material melted, squeeze out, it is cold
But, be granulated to get:
Low density polyethylene (LDPE) 1000kg
0.30 kg of antioxidant A；
0.25 kg of antistatic agent；
0.25 kg of zinc stearate；
0.60 kg of antioxidant B；
0.75 kg of erucyl amide；
Silica 1 .15 kg.
Wherein: the low density polyethylene (LDPE) is the powder that partial size is 20 μm, melt index 2.0-5.0g/10min, density
About 0 .920g/cm3, Shenyang paraffin-wax-chemical production；The improved silica be porous nano silica, partial size 30nm,
Specific surface area is greater than 200m2/g；The antioxidant A is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester；It is anti-
Electrostatic agent is octadecyl ethylene glycol amine；Antioxidant B is three [ 2.4- di-tert-butyl-phenyl ] phosphite esters, is that Jiangsu Chinese light is real
Industry limited liability company product.
Resulting resin is respectively fed to squeeze out extrudate flow in casting apparatus and delays biaxial tension up to polyethylene film, institute
It obtains polyethylene film and measures parameters as follows:
For coefficient of friction according to GB 10006-1988 standard " plastic film and thin slice measuring friction coefficient method ", instrument is friction
Coefficient measuring instrument.
For light transmittance according to GB 2410-80 standard " transparent plastic light transmittance and haze test method ", instrument is spectrophotometric
Meter.
Embodiment 2-4 is identical with embodiment 1 in addition to the additional amount of erucyl amide and silica, the addition of the two
Amount is shown in Table 1.
Table 1
| Erucyl amide | Silica | Dynamic friction coefficient (12h) | Confficient of static friction (12h) | Translucency % | |
| Embodiment 1 | 750 | 1250 | 0.199 | 0.198 | 93.2 |
| Embodiment 2 | 450 | 250 | 0.232 | 0.224 | 92.7 |
| Embodiment 3 | 750 | 1150 | 0.200 | 0.192 | 93.9 |
| Embodiment 4 | 450 | 1150 | 0.252 | 0.252 | 92.7 |
From the data in table 1, it can be seen that the polyethylene film processed using the smooth type compound resin of opening of the present invention, in table
While revealing preferable light transmittance, the cohesive force between confficient of static friction, dynamic friction coefficient and film is significantly reduced, and is had
Conducive to the Kekelé structure count for improving film.Compound resin of the present invention, the formula material and proportion for optimizing opening agent and slipping agent close
System has given full play to synergistic effect between opening agent and slipping agent and their interactions between polyethylene molecular chain
Relationship has both preferable opening and smooth effect by the polyethylene film of the component preparation in value range of the present invention, together
When ensure that the translucency of polyethylene film.In addition, the present invention also has the advantages of simple process, high production efficiency.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (5)
1. a kind of smooth type composite polyethylene resin of opening, which is characterized in that be prepared by the component of following weight ratio:
Low density polyethylene (LDPE) 1
300/ppm of antioxidant A；
250/ ppm of antistatic agent；
250/ ppm of zinc stearate；
600/ ppm of antioxidant B；
Erucyl amide 450-750/ppm；
Silica 1 150-1250/ ppm.
2. a kind of smooth type composite polyethylene resin of opening according to claim 1, it is characterised in that: the low-density is poly-
Ethylene is the powder that partial size is 20 μm, melt index 2.0-5.0g/10min.
3. a kind of smooth type composite polyethylene resin of opening according to claim 1, it is characterised in that: the modified dioxy
SiClx is porous nano silica, and partial size 30nm, specific surface area is greater than 200m2/g。
4. a kind of smooth type composite polyethylene resin of opening according to claim 1, it is characterised in that: the antioxidant A
For β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester；Antistatic agent is octadecyl ethylene glycol amine；Antioxidant
B is three [ 2.4- di-tert-butyl-phenyl ] phosphite esters.
5. a method of it prepares such as the described in any item smooth type composite polyethylene resins of opening of Claims 1-4, feature
It is, comprising the following steps:
(1) each component is weighed by weight, and all materials are mixed, it is spare；
(2) will mix obtained by step (1) material be added extruder melting mixing and extruding pelletization to get.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244976.3A CN109851887A (en) | 2017-11-30 | 2017-11-30 | A kind of smooth type composite polyethylene resin of opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244976.3A CN109851887A (en) | 2017-11-30 | 2017-11-30 | A kind of smooth type composite polyethylene resin of opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109851887A true CN109851887A (en) | 2019-06-07 |
Family
ID=66889458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711244976.3A Pending CN109851887A (en) | 2017-11-30 | 2017-11-30 | A kind of smooth type composite polyethylene resin of opening |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112265331A (en) * | 2020-09-22 | 2021-01-26 | 乐凯胶片股份有限公司 | Nylon membrane, lithium battery packaging material and lithium battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173156A (en) * | 2011-03-11 | 2011-09-07 | 佛山塑料集团股份有限公司 | Biaxial tension polyethylene film and preparation method thereof |
| CN102952326A (en) * | 2012-10-16 | 2013-03-06 | 中国石油化工股份有限公司 | Modified linear polyethylene resin and preparation method thereof |
-
2017
- 2017-11-30 CN CN201711244976.3A patent/CN109851887A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173156A (en) * | 2011-03-11 | 2011-09-07 | 佛山塑料集团股份有限公司 | Biaxial tension polyethylene film and preparation method thereof |
| CN102952326A (en) * | 2012-10-16 | 2013-03-06 | 中国石油化工股份有限公司 | Modified linear polyethylene resin and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112265331A (en) * | 2020-09-22 | 2021-01-26 | 乐凯胶片股份有限公司 | Nylon membrane, lithium battery packaging material and lithium battery |
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Application publication date: 20190607 |
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