CN109438833A - A kind of polypropylene casting membrane material of improvement and preparation method thereof - Google Patents
A kind of polypropylene casting membrane material of improvement and preparation method thereof Download PDFInfo
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- CN109438833A CN109438833A CN201811173493.3A CN201811173493A CN109438833A CN 109438833 A CN109438833 A CN 109438833A CN 201811173493 A CN201811173493 A CN 201811173493A CN 109438833 A CN109438833 A CN 109438833A
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- membrane material
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- casting membrane
- polypropylene casting
- slipping agent
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The purpose of the present invention is to provide polypropylene casting membrane materials of a kind of improvement and preparation method thereof, the polypropylene casting film material melt flow rate of the improvement is 10~15g/10min, include following components: acrylic resin powder: 89.9~99.76 parts, antioxidant HP136:0.05~0.2 part, auxiliary antioxidant 168:0.03~0.1 part, halogen-absorber: 0.01~0.1 part, slipping agent A:0.05~0.2 part, slipping agent B:0.05~0.2 part, opening agent: 0.05~0.3 part.The present invention greatly reduces the yellow colour index of material, extends the service life of finished product.
Description
Technical field
The present invention relates to high molecular material compositions technical field more particularly to a kind of polypropylene casting membrane materials of improvement
And preparation method thereof.
Background technique
Cast polypropylene (CPP) film is a kind of highly important kind in film class product, has transparency height, rubs
Wipe coefficient it is low, heat-sealing temperature is low, it is heat-resisting, moisture-proof, printing and it is compound adaptable, surface is smooth, resistance to boiling the features such as.In recent years
It is widely used in packaging fields such as food, daily necessities.Compared with bidirectional stretching polypropylene film, CPP film has process equipment
Simply, advantage at low cost, and its scratch resistance and package packing machine adaptability are better than polyethylene film, are more suitable for fast package
It needs.Therefore occupy certain status in packaging field, commonly used to make clothes, stationery, food, drug, cosmetics, textile
Deng packaging material and laminated film substrate, thickness is generally between 20~120 μm.It is wherein maximum with food packaging dosage,
Including various candies, soup stock, flavouring and high-temperature retort bag etc..Therefore, the development and production of CPP have a vast market foreground.
Polypropylene is in its synthesis, storage, processing and use process, and all possible generating material performance goes bad, such as face
Color yellowing etc., the test of polypropylene product yellow colour index and the yellow degree observed under sunlight irradiation can kiss well
It closes, thus by the yellow colour index of test sample, it can be used to the ageing properties for evaluating polypropylene product.
For existing CPP thin-film material when completing the process, general yellow colour index is 3~3.5, and excessively high yellow colour index can subtract
The service life of few product, influence using.Therefore, it is necessary to improve to existing CPP film, yellow colour index is reduced.
Summary of the invention
The purpose of the present invention is to provide polypropylene casting membrane materials of a kind of improvement and preparation method thereof, by existing
Reconfiguring for auxiliary agent is carried out on the basis of polypropylene casting film formulation, greatly reduces the yellow colour index of material, extends finished product
Service life.
The invention is realized by the following technical scheme:
A kind of polypropylene casting membrane material of improvement, melt flow rate (MFR) are 10~15g/10min, include following components:
Acrylic resin powder: 89.9~99.76 parts, antioxidant HP136:0.05~0.2 part, auxiliary antioxidant 168:
0.03~0.1 part, halogen-absorber: 0.01~0.1 part, slipping agent A:0.05~0.2 part, slipping agent B:0.05~0.2 part is opened
Mouth agent: 0.05~0.3 part.
The acrylic resin powder is homopolypropylene.
The antioxidant HP136 is xylyl dibutyl benzofuranone, and the auxiliary antioxidant 168 is three (2,4-
Di-tert-butyl-phenyl) phosphite ester.
Preferably, the halogen-absorber is calcium stearate.
Preferably, the slipping agent A is erucyl amide, and the slipping agent B is oleamide.
Preferably, the opening agent is silica.
A kind of preparation method of polypropylene casting membrane material comprising the steps of:
(1) under the collective effect of major catalyst, co-catalyst and external electron donor, the temperature for controlling reactor exists propylene
64~72 DEG C, using hydrogen as molecular weight regulator, the density of hydrogen that control enters reactor is 1500~2500ppm, system
It is standby to obtain acrylic resin powder；
(2) the acrylic resin powder that step (1) obtains is uniformly mixed with auxiliary agent, quality composition is as follows:
Acrylic resin powder: 88.9~99.76 parts, antioxidant HP136:0.05~0.2 part, auxiliary antioxidant 168:
0.03~0.1 part, halogen-absorber: 0.01~0.1 part, slipping agent A:0.05~0.2 part, slipping agent B:0.05~0.2 part are opened
Mouth agent: 0.05~0.3 part；
(3) mixture that step (2) obtains is squeezed out through extruder, control each section of barrel temperature of extruder 170~
250 DEG C, 55~80 DEG C of pelletizing coolant-temperature gage, the polypropylene casting membrane material that melt flow rate (MFR) is 10~15g/10min is prepared
Material.
Preferably, the halogen-absorber is calcium stearate.
Preferably, the slipping agent A is erucyl amide, and the slipping agent B is oleamide.
Preferably, the opening agent is silica.
Compared with the prior art, the invention has the following beneficial effects:
The present invention is by Sphripol polymerization technique synthetic polymer, by carrying out on compound composition and process conditions
It improves, while improving the stiffness, tensile strength and transparency of film, greatly reduces the yellow colour index of polypropylene material, improve
The appearance of material, the storage and service life for improving material.
Specific embodiment
Below by way of specific embodiment, the invention will be further elaborated:
Halogen-absorber described in the embodiment of the present invention is calcium stearate, and the slipping agent A is erucyl amide, described refreshing
Lubrication prescription B is oleamide, and the opening agent is silica.
Embodiment 1
A kind of polypropylene casting film forage and preparation method thereof comprising the steps of:
(1) under the collective effect of major catalyst, co-catalyst and external electron donor, the temperature for controlling reactor exists propylene
70 DEG C, using hydrogen as molecular weight regulator, the density of hydrogen that control enters reactor is 2200ppm, is prepared poly- third
Olefine resin powder；
(2) the acrylic resin powder that step (1) obtains is uniformly mixed with auxiliary agent, quality composition is as follows:
Acrylic resin powder: 99.35 parts, HP136:0.12 parts of antioxidant, 168:0.05 parts of auxiliary antioxidant, halogen
Absorbent: 0.05 part, A:0.15 parts of slipping agent, B:0.08 parts of slipping agent, opening agent: 0.2 part；
(3) mixture that step (2) obtains is squeezed out through extruder, control each section of barrel temperature of extruder at 230 DEG C,
60 DEG C of pelletizing coolant-temperature gage, the polypropylene casting membrane material that melt flow rate (MFR) is 13.3g/10min is prepared.
Embodiment 2
A kind of polypropylene casting film forage and preparation method thereof comprising the steps of:
(1) under the collective effect of major catalyst, co-catalyst and external electron donor, the temperature for controlling reactor exists propylene
70 DEG C, using hydrogen as molecular weight regulator, the density of hydrogen that control enters reactor is 2300ppm, is prepared poly- third
Olefine resin powder；
(2) the acrylic resin powder that step (1) obtains is uniformly mixed with auxiliary agent, quality composition is as follows:
Acrylic resin powder: 99.3 parts, HP136:0.15 parts of antioxidant, 168:0.06 parts of auxiliary antioxidant, halogen suction
Receive agent: 0.05 part, A:0.18 parts of slipping agent, B:0.06 parts of slipping agent, opening agent: 0.2 part；
(3) mixture that step (2) obtains is squeezed out through extruder, control each section of barrel temperature of extruder at 220 DEG C,
60 DEG C of pelletizing coolant-temperature gage, the polypropylene casting membrane material that melt flow rate (MFR) is 13.5g/10min is prepared.
Embodiment 3
A kind of polypropylene casting film forage and preparation method thereof comprising the steps of:
(1) under the collective effect of major catalyst, co-catalyst and external electron donor, the temperature for controlling reactor exists propylene
70 DEG C, using hydrogen as molecular weight regulator, the density of hydrogen that control enters reactor is 2000ppm, is prepared poly- third
Olefine resin powder；
(2) the acrylic resin powder that step (1) obtains is uniformly mixed with auxiliary agent, quality composition is as follows:
Acrylic resin powder: 99.35 parts, HP136:0.1 parts of antioxidant, 168:0.08 parts of auxiliary antioxidant, halogen suction
Receive agent: 0.05 part, A:0.15 parts of slipping agent, B:0.08 parts of slipping agent, opening agent: 0.18 part；
(3) mixture that step (2) obtains is squeezed out through extruder, control each section of barrel temperature of extruder at 220 DEG C,
65 DEG C of pelletizing coolant-temperature gage, the polypropylene casting membrane material that melt flow rate (MFR) is 12.8g/10min is prepared.
Embodiment 4
A kind of polypropylene casting film forage and preparation method thereof comprising the steps of:
(1) under the collective effect of major catalyst, co-catalyst and external electron donor, the temperature for controlling reactor exists propylene
64 DEG C, using hydrogen as molecular weight regulator, the density of hydrogen that control enters reactor is 1500ppm, is prepared poly- third
Olefine resin powder；
(2) the acrylic resin powder that step (1) obtains is uniformly mixed with auxiliary agent, quality composition is as follows:
Acrylic resin powder: 99.76 parts, HP136:0.2 parts of antioxidant, 168:0.1 parts of auxiliary antioxidant, halogen suction
Receive agent: 0.1 part, A:0.2 parts of slipping agent, B:0.2 parts of slipping agent, opening agent: 0.3 part；
(3) mixture that step (2) obtains is squeezed out through extruder, controls each section of barrel temperature of extruder at 170 DEG C, cuts
The polypropylene casting membrane material that melt flow rate (MFR) is 10g/10min is prepared in 55 DEG C of coolant-temperature gage of grain.
Embodiment 5
A kind of polypropylene casting film forage and preparation method thereof comprising the steps of:
(1) under the collective effect of major catalyst, co-catalyst and external electron donor, the temperature for controlling reactor exists propylene
72 DEG C, using hydrogen as molecular weight regulator, the density of hydrogen that control enters reactor is 2500ppm, is prepared poly- third
Olefine resin powder；
(2) the acrylic resin powder that step (1) obtains is uniformly mixed with auxiliary agent, quality composition is as follows:
Acrylic resin powder: 88.9 parts, HP136:0.05 parts of antioxidant, 168:0.03 parts of auxiliary antioxidant, halogen suction
Receive agent: 0.01 part, A:0.05 parts of slipping agent, B:0.05 parts of slipping agent, opening agent: 0.05 part；
(3) mixture that step (2) obtains is squeezed out through extruder, control each section of barrel temperature of extruder at 250 DEG C,
80 DEG C of pelletizing coolant-temperature gage, the polypropylene casting membrane material that melt flow rate (MFR) is 15g/10min is prepared.
Embodiment 6
A kind of polypropylene casting film forage and preparation method thereof comprising the steps of:
(1) under the collective effect of major catalyst, co-catalyst and external electron donor, the temperature for controlling reactor exists propylene
68 DEG C, using hydrogen as molecular weight regulator, the density of hydrogen that control enters reactor is 1800ppm, is prepared poly- third
Olefine resin powder；
(2) the acrylic resin powder that step (1) obtains is uniformly mixed with auxiliary agent, quality composition is as follows:
Acrylic resin powder: 93.48 parts, HP136:0.08 parts of antioxidant, 168:0.06 parts of auxiliary antioxidant, halogen
Absorbent: 0.07 part, A:0.1 parts of slipping agent, B:0.09 parts of slipping agent, opening agent: 0.1 part；
(3) mixture that step (2) obtains is squeezed out through extruder, control each section of barrel temperature of extruder at 200 DEG C,
70 DEG C of pelletizing coolant-temperature gage, the polypropylene casting membrane material that melt flow rate (MFR) is 12.1g/10min is prepared.
Polypropylene casting membrane material obtained by above-described embodiment is tested for the property, and with commercially available casting films poly- third
Olefine resin compares, as a result as shown in following table -1:
Table -1
It can be seen that polypropylene casting membrane material obtained by the present invention compared to commercially available from the Comparative result in upper table -1
FC801 and F800E PP Pipe Compound, have higher tensile yield strength, cantilever beam impact strength and bending modulus, refer in yellow
There is apparent decline on number.
It should be pointed out that the above-mentioned specific embodiment of the present invention is only to further explanation of the invention rather than limits
System.For those skilled in the art, without departing from the principle of the present invention, it can also make several
Improvements and modifications, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (8)
1. a kind of polypropylene casting membrane material of improvement, which is characterized in that melt flow rate (MFR) is 10~15g/10min, includes
Following components:
Acrylic resin powder: 89.9~99.76 parts, antioxidant HP136:0.05~0.2 part, auxiliary antioxidant 168:0.03~
0.1 part, halogen-absorber: 0.01~0.1 part, slipping agent A:0.05~0.2 part, slipping agent B:0.05~0.2 part, opening agent:
0.05~0.3 part；
The acrylic resin powder is homopolypropylene.
2. the polypropylene casting membrane material of improvement according to claim 1, which is characterized in that the halogen-absorber is hard
Resin acid calcium.
3. the polypropylene casting membrane material of improvement according to claim 1, which is characterized in that the slipping agent A is erucic acid
Amide, the slipping agent B are oleamide.
4. the polypropylene casting membrane material of improvement according to claim 1, which is characterized in that the opening agent is titanium dioxide
Silicon.
5. a kind of preparation method of polypropylene casting membrane material, which is characterized in that comprise the steps of:
(1) propylene is under the collective effect of major catalyst, co-catalyst and external electron donor, control the temperature of reactor 64~
72 DEG C, using hydrogen as molecular weight regulator, the density of hydrogen that control enters reactor is 1500~2500ppm, is prepared into
To acrylic resin powder；
(2) the acrylic resin powder that step (1) obtains is uniformly mixed with auxiliary agent, quality composition is as follows:
Acrylic resin powder: 88.9~99.76 parts, antioxidant HP136:0.05~0.2 part, auxiliary antioxidant 168:0.03~
0.1 part, halogen-absorber: 0.01~0.1 part, slipping agent A:0.05~0.2 part, slipping agent B:0.05~0.2 part, opening agent:
0.05~0.3 part；
(3) mixture that step (2) obtains is squeezed out through extruder, control each section of barrel temperature of extruder at 170~250 DEG C,
55~80 DEG C of pelletizing coolant-temperature gage, the polypropylene casting membrane material that melt flow rate (MFR) is 10~15g/10min is prepared.
6. the preparation method of polypropylene casting membrane material according to claim 5, which is characterized in that the halogen-absorber
For calcium stearate.
7. the preparation method of polypropylene casting membrane material according to claim 5, which is characterized in that the slipping agent A is
Erucyl amide, the slipping agent B are oleamide.
8. the preparation method of polypropylene casting membrane material according to claim 5, which is characterized in that the opening agent is two
Silica.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811173493.3A CN109438833A (en) | 2018-10-09 | 2018-10-09 | A kind of polypropylene casting membrane material of improvement and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811173493.3A CN109438833A (en) | 2018-10-09 | 2018-10-09 | A kind of polypropylene casting membrane material of improvement and preparation method thereof |
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| CN109438833A true CN109438833A (en) | 2019-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845790A (en) * | 2019-10-09 | 2020-02-28 | 广州奥佳塑料制品有限公司 | Polypropylene high-lubrication sheet and preparation method thereof |
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|---|---|---|---|---|
| CN1966561A (en) * | 2006-11-16 | 2007-05-23 | 扬子石油化工股份有限公司 | Antistatic biaxially oriented polypropylene composition and its preparation method |
| CN102952331A (en) * | 2012-10-17 | 2013-03-06 | 中国石油化工股份有限公司 | Aluminum-plating-grade casting homo-polypropylene film material and preparation method thereof |
| CN103087423A (en) * | 2011-11-07 | 2013-05-08 | 中国石油化工股份有限公司 | Composition for polymer film and polymer film and multilayer film |
-
2018
- 2018-10-09 CN CN201811173493.3A patent/CN109438833A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966561A (en) * | 2006-11-16 | 2007-05-23 | 扬子石油化工股份有限公司 | Antistatic biaxially oriented polypropylene composition and its preparation method |
| CN103087423A (en) * | 2011-11-07 | 2013-05-08 | 中国石油化工股份有限公司 | Composition for polymer film and polymer film and multilayer film |
| CN102952331A (en) * | 2012-10-17 | 2013-03-06 | 中国石油化工股份有限公司 | Aluminum-plating-grade casting homo-polypropylene film material and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 马玫等: ""抗氧剂在塑料中的应用"", 《合成材料老化与应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845790A (en) * | 2019-10-09 | 2020-02-28 | 广州奥佳塑料制品有限公司 | Polypropylene high-lubrication sheet and preparation method thereof |
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Application publication date: 20190308 |