CN108912480A - A kind of preparation method for the master batch that is open - Google Patents
A kind of preparation method for the master batch that is open Download PDFInfo
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- CN108912480A CN108912480A CN201810507445.7A CN201810507445A CN108912480A CN 108912480 A CN108912480 A CN 108912480A CN 201810507445 A CN201810507445 A CN 201810507445A CN 108912480 A CN108912480 A CN 108912480A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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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)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
A kind of preparation method of master batch that is open of the present invention, includes the following steps：1) silica is surface-treated；2) it is weighed according to weight percent：Silica 8%~15%, PE wax 1%~2%, oleamide 3%~5% after processing, POE elastomer 8%~10%, random polypropylene 68%~80%.3) by raw materials various after weighing according to mixing in its corresponding ratio investment mixing device, incorporation time 15min mixes revolving speed less than 100 revs/min；4) raw material after mixing is put into and carries out extruding pelletization on dual-screw-stem machine extruder；5) opening master batch is made through supercooling and pelletizing in the plastic strip after squeezing out.For the present invention compared with the inorganic opening agents such as the direct silica of existing coupling agent directly mix the method being surface-treated, surface treatment method better effect of the invention can't generate reunion.
Description
Technical field
The present invention relates to a kind of preparation methods of master batch that is open, and belong to plastic master batch production field.
Background technique
Plastic film is widely used in food packaging, medical packaging, cultural goods packaging and agricultural etc..But plastics exist
After Blown Film, film interlayer easily formed vacuum it is closely sealed under bonding, it is difficult to separate, bring difficulty to packaging applications.
The adhesion of plastic film mainly has three aspects：First is that forming vacuum closed state since film is closed between caudacoria, no
Easily separate；Second is that film layer distance is close after film forming, and it is intermolecular there are Van der Waals force, make mutually to adsorb adhesion between film layer：Three
It is since molecular thermalmotion migrates, the mutual winding produced between macromolecular chain after two panels film closure open it can not
It closes.In fact the reason for causing film openings difficulty is that three coexists.
In order to improve the opening performance of film, its adhesion is prevented, usually needs additive opening agent before producing plastic film
To improve Kekelé structure count.Opening agent is also antiblocking agent, and opening agent is evenly dispersed in film, forms subtle heavily fortified point in film surface
Protrusion very is easy to enter outside air between double-layer films to reduce the contact area between film, avoids
Vacuum is formed between two layers of film to stick together, to play the role of preventing film blocking.
In order to improve the dispersion effect of opening agent in the film, opening agent is general to be first made mother with plastic substrate blending extrusion
Just it is added in film production after grain i.e. opening master batch.
Opening master batch mainly divides inorganic opening master batch and opening master batch.Organic opening master batch uses organic opening agent, and
Based on amides opening agent, but amides opening agent have the defects that it is very big：After the completion of thin film fabrication, to pass through one section
Time, after slipping agent is from film internal migration to film surface, its smooth resist blocking and that effect of competence exertion, and when with using
Between extension, smooth opening performance gradually declines, and amide substance moves to product surface and is easy to generate pollution to product.
Although the inorganic opening agent in inorganic opening master batch will not migrate, inorganic particle is easy to happen reunion,
Film production is set to be easy to appear rupture of membranes, flake and other issues, reunion also results in opening performance decline.
Lead to reason：
Organic opening agent is due to incompatible with film resin, so eventually all migrating out film surface and causing dirt
Dye；And inorganic opening agent is due to its partial size very little, surface can be high, so being easy to produce agglomeration to steady to the production of film
It is qualitative to impact, while its effect that is open also is declined.
Summary of the invention
The present invention overcomes the disadvantages of the prior art, provides a kind of preparation method of master batch that is open, it is therefore prevented that inorganic
The reunion of opening agent, and agglomeration of the inorganic particle in processing and adding procedure is efficiently solved, it ensure that inorganic powder
In the film evenly dispersed of body, while film manufacturing processes will not be impacted.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：
A kind of preparation method for the master batch that is open, includes the following steps：
1) silica is surface-treated；
2) it is weighed according to weight percent：Silica 8%~15%, PE wax 1%~2%, oil after processing
Sour amide 3%~5%, POE elastomer 8%~10%, random polypropylene 68%~80%.
3) raw materials various after weighing are put into mixing device according to its corresponding ratio and is mixed, incorporation time 15min,
Revolving speed is mixed less than 100 revs/min；
4) raw material after mixing is put into and carries out extruding pelletization on dual-screw-stem machine extruder；
5) opening master batch is made through supercooling and pelletizing in the plastic strip after squeezing out.
Further, in step 1) to silica carry out surface treatment be：
Add water in stirred tank, is subsequently added into lauryl sodium sulfate, makes lauryl sodium sulfate mass concentration
0.05%~0.1%, sodium carboxymethylcellulose is then added, makes its mass concentration 0.02%~0.05%, then addition polymerization diformazan
Radical siloxane, mass concentration are 0.0015~0.005%, and silica is added after agitating, wherein the partial size of silica be 6~
12um, mass concentration be 0.05%~0.2%, be added silica after start to stir, mixing speed not less than 1500 turns/
Then the silicon oxygen coupling agent of mass concentration 0.1---0.2% is added in min, persistently stir 30min or more, stirring knot in this process
Mixing liquid is filtered after beam, the filter residue of filtering is dried in vacuo, drying temperature is 50 ± 5 DEG C, vacuum degree≤
100pa。
Further, PE wax molecular weight is 4000~5000.
Further, in step 4), the temperature in each area of screw rod is respectively：One 120 DEG C of area, 140 DEG C of 2nd area, 150 DEG C of 3rd area, four
160 DEG C of area, 155 DEG C of 5th area, 150 DEG C of 6th area, 150 DEG C of head.
Further, the melt index of the POE elastomer is 10~30g/min.
Further, the melt index of the random polypropylene is 20~50g/min.
Further, the silicon oxygen coupling agent is silicon oxygen coupling agent KN550.
Compared with prior art, the beneficial effects of the invention are as follows：
The preparation method of a kind of master batch that is open of the present invention, with the inorganic opening such as the direct silica of existing coupling agent
Agent directly mixes the method being surface-treated and compares, and surface treatment method better effect of the invention can't generate reunion.
The present invention is by allowing silica to be surface-treated under the situation of dispersion using water as decentralized medium, during processing, two
Silica is in dispersion situation always, will not generate reunion, works as after treatment, and the high energy surface of silica is coupled agent and is covered
Lid, therefore reunion will not be generated again in the manufacture of subsequent master batch and film manufacturing process, its performance that is open is improved, is reduced
Influence to film production stability.
In addition, on the formula of master batch, the present invention reasonably selects silica to add the mixing opening agent side of oleamide
Formula adds and selects random polypropylene as matrix resin, and synthesis opening effect is good, and usage amount is few, and use cost is low.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
A kind of preparation method for the master batch that is open, includes the following steps：
Water is added in stirred tank, is subsequently added into lauryl sodium sulfate, concentration 0.08% plays the surface for reducing water
The effect of tension.Then sodium carboxymethylcellulose is added, concentration 0.04% plays thickening power.Addition polymerization dimethyl silica again
Alkane, concentration 0.003% play defoaming, silica are added after abundant agitating, wherein the partial size of silica be 6~
12um, it is 0.15% that concentration, which is added, starts to stir after silica is added, and mixing speed is not less than 1500 turns/min, then
The silicon oxygen coupling agent KN550 of mass concentration 0.15% is added, persistently stirs 30min or more, the absorption of silicon oxygen coupling agent in this process
In the surface of silica, mixing liquid is filtered after stirring, the filter residue of filtering is dried in vacuo, drying temperature
Degree is 50 ± 5 DEG C, vacuum degree≤100pa.
The surface treatment process not will cause the reunion of silica, its surface of silica after surface treated is by idol
Connection agent is covered, and surface can be low, therefore will not be reunited in the production of subsequent master batch and film manufacturing process, ensure that opening effect
Fruit and production stability.
Silica after surface treated and other raw materials are weighed according to lower surface compositions：Titanium dioxide after processing
Silicon 10%, PE wax 1.5%, oleamide 4%, POE elastomer 9%, random polypropylene 75.5%.
Wherein silica is the product after above-mentioned table manages processing method, and partial size is 6~12um, as opening agent
Main ingredient comes using can be evenly dispersed in film, it is thin to reduce to form many fine and hard knurs
Contact area between film realizes the purpose for reducing film surface coefficient of friction, film is made to be easy to be open, simultaneously because these
The presence of protrusion, is easy to enter outside air between double-layer films, avoids shape between the film to fit together at two layers
At vacuum, to play the role of preventing film blocking.
PE wax is used as lubricant, and molecular weight is 4000~5000, and molecular weight is too low, is easy to be precipitated and be caused
Pollution to production equipment, the excessively high then lubricant effect of molecular weight are deteriorated.
Oleamide is the opening agent of auxiliary, can move to the surface of film, reduce the skin-friction coefficient of film.This
Invention is used as assist openings agent, it is greatly reduced in the amount of precipitation of film surface, to avoid it to film table
Face generates the service performance for polluting and influencing film.
The presence of POE elastomer can increase the compatibility between master batch matrix resin and film resin, reduce master batch addition
Influence to processing film stability, melt index preferably 10~30g/min.
Random polypropylene is used as the matrix resin of master batch, since it is amorphous polymer, to silica
And other auxiliary ingredients have good receiving to act on, and can be improved the content of effective ingredient in master batch, reduce the additive amount of master batch,
Reduce the use cost of master batch.In the present invention, the melt index of random polypropylene preferably 20~50g/min.
By raw materials various after weighing according to mixing in its corresponding ratio investment mixing device, incorporation time 15min is mixed
Revolving speed is closed less than 100 revs/min.
Raw material after mixing is put into and carries out extruding pelletization on dual-screw-stem machine extruder, wherein material successively leads to
The temperature in the area Guo Ge, each area of screw rod is respectively：One 120 DEG C of area, 140 DEG C of 2nd area, 150 DEG C of 3rd area, 160 DEG C of 4th area, five areas 155
DEG C, 150 DEG C of 6th area, 150 DEG C of head.
Opening master batch is made through supercooling and pelletizing in plastic strip after extrusion.
Although traditional coupling agent and the method that inorganic opening agent is directly blended are simple, inorganic to open in whipping process
Mouth agent is easy to produce reunion.Because the partial size of inorganic opening agent is generally smaller, surface can be higher, even if joined coupling agent,
But be unevenly distributed, in whipping process, the phenomenon that inorganic opening agent is reunited, can not be to avoid.It is processed to influence road thereafter
And service performance.
For the present invention by the way that surfactant, thickener, defoaming agent are added in water, it is good that formation can be such that silica presents
The solution dispersed well, silica are scattered in the solution, will not be reunited, then the silicon oxygen coupling agent by being added is not soluble in water,
Lotion is formed with water under the action of high shear.Since one end of coupling agent and silica has good adsorption capacity,
Therefore, coupling agent will be adsorbed in the surface of silica, and in the process, silica is constantly in dispersion situation, will not produce
It is raw to reunite.
Finally it should be noted that：These are only the preferred embodiment of the present invention, is not intended to restrict the invention, although
Referring to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned
Technical solution documented by each embodiment is modified or equivalent replacement of some of the technical features, but it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (7)
1. a kind of preparation method for the master batch that is open, which is characterized in that include the following steps：
1) silica is surface-treated；
2) it is weighed according to weight percent：Silica 8%~15%, PE wax 1%~2%, oleic acid acyl after processing
Amine 3%~5%, POE elastomer 8%~10%, random polypropylene 68%~80%.
3) by raw materials various after weighing according to mixing in its corresponding ratio investment mixing device, incorporation time 15min is mixed
Revolving speed is less than 100 revs/min；
4) raw material after mixing is put into and carries out extruding pelletization on dual-screw-stem machine extruder；
5) opening master batch is made through supercooling and pelletizing in the plastic strip after squeezing out.
2. according to claim 1 it is a kind of be open master batch preparation method, which is characterized in that in step 1) to silica
Carrying out surface treatment is：
In stirred tank plus water, be subsequently added into lauryl sodium sulfate, make lauryl sodium sulfate mass concentration 0.05%~
0.1%, sodium carboxymethylcellulose is then added, makes its mass concentration 0.02%~0.05%, then addition polymerization dimethyl siloxane,
Mass concentration is 0.0015~0.005%, and silica is added after agitating, and wherein the partial size of silica is 6~12um, quality
Concentration be 0.05%~0.2%, be added silica after start to stir, mixing speed be not less than 1500 turns/min, then plus
The silicon oxygen coupling agent for entering mass concentration 0.1---0.2% persistently stirs 30min or more in this process, will mixing after stirring
Liquid is filtered, and the filter residue of filtering is dried in vacuo, and drying temperature is 50 ± 5 DEG C, vacuum degree≤100pa.
3. according to claim 2 it is a kind of be open master batch preparation method, which is characterized in that PE wax molecular weight be 4000~
5000。
4. a kind of preparation method for the master batch that is open according to claim 2, which is characterized in that in step 4), each area of screw rod
Temperature is respectively：One 120 DEG C of area, 140 DEG C of 2nd area, 150 DEG C of 3rd area, 160 DEG C of 4th area, 155 DEG C of 5th area, 150 DEG C of 6th area, head
150℃。
5. a kind of preparation method for the master batch that is open according to claim 2, which is characterized in that the melting of the POE elastomer
Index is 10~30g/min.
6. a kind of preparation method for the master batch that is open according to claim 2, which is characterized in that the melting of the random polypropylene
Index is 20~50g/min.
7. a kind of preparation method for the master batch that is open according to claim 2, which is characterized in that the silicon oxygen coupling agent is silicon oxygen
Coupling agent KN550.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810507445.7A CN108912480A (en) | 2018-05-24 | 2018-05-24 | A kind of preparation method for the master batch that is open |
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| CN201810507445.7A CN108912480A (en) | 2018-05-24 | 2018-05-24 | A kind of preparation method for the master batch that is open |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248523A (en) * | 2021-11-11 | 2022-03-29 | 乐凯胶片股份有限公司 | Cast polypropylene film and aluminum plastic film |
| CN115536873A (en) * | 2022-11-02 | 2022-12-30 | 佛山市南海区承欣塑料助剂有限公司 | Preparation method of anti-sticking smooth master batch for environment-friendly composite film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103865182A (en) * | 2014-03-22 | 2014-06-18 | 中山百能思塑料科技有限公司 | High-surface tension composite type anti-blocking smooth master batch for BOPP membrane and production process of batch |
| CN104151798A (en) * | 2014-08-19 | 2014-11-19 | 东莞市普凯塑料科技有限公司 | PET smooth anti-block master batch and preparation method thereof |
| CN105237852A (en) * | 2015-10-27 | 2016-01-13 | 山东鲁燕色母粒有限公司 | Novel antiblocking master batch and preparation method |
| CN107540942A (en) * | 2017-08-02 | 2018-01-05 | 汕头市贝斯特科技有限公司 | A kind of anti-sticking smooth master batch of polypropylene |
-
2018
- 2018-05-24 CN CN201810507445.7A patent/CN108912480A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103865182A (en) * | 2014-03-22 | 2014-06-18 | 中山百能思塑料科技有限公司 | High-surface tension composite type anti-blocking smooth master batch for BOPP membrane and production process of batch |
| CN104151798A (en) * | 2014-08-19 | 2014-11-19 | 东莞市普凯塑料科技有限公司 | PET smooth anti-block master batch and preparation method thereof |
| CN105237852A (en) * | 2015-10-27 | 2016-01-13 | 山东鲁燕色母粒有限公司 | Novel antiblocking master batch and preparation method |
| CN107540942A (en) * | 2017-08-02 | 2018-01-05 | 汕头市贝斯特科技有限公司 | A kind of anti-sticking smooth master batch of polypropylene |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248523A (en) * | 2021-11-11 | 2022-03-29 | 乐凯胶片股份有限公司 | Cast polypropylene film and aluminum plastic film |
| CN115536873A (en) * | 2022-11-02 | 2022-12-30 | 佛山市南海区承欣塑料助剂有限公司 | Preparation method of anti-sticking smooth master batch for environment-friendly composite film |
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