CN110845796A - Polypropylene antistatic soft master batch and preparation method thereof - Google Patents
Polypropylene antistatic soft master batch and preparation method thereof Download PDFInfo
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- 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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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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- 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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- 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
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—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
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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- 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
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0075—Antistatics
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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
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
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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
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/19—Quaternary ammonium compounds
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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
Abstract
The invention discloses a polypropylene antistatic soft master batch and a preparation method thereof, wherein the polypropylene antistatic soft master batch is prepared from the following raw materials in parts by weight: 3-4 parts of oleamide, 2-3 parts of erucamide, 4-5 parts of zinc stearate, 9-11 parts of antistatic agent, 50-58 parts of polypropylene powder and 23-27 parts of ethylene-propylene copolymer. The polypropylene product prepared from the antistatic polypropylene soft master batch has good antistatic property and antistatic effect; the prepared polypropylene product has good smoothness; the prepared polypropylene product has good flexibility; the antistatic polypropylene soft master batch is not only suitable for the production of polypropylene sheets, but also particularly suitable for the production of polypropylene fiber products, and has wide market application prospect.
Description
Technical Field
The invention relates to the field of high polymer materials, and particularly relates to a polypropylene antistatic soft master batch and a preparation method thereof.
Background
Polypropylene (PP) is a semicrystalline polymer, has excellent mechanical properties, heat resistance, chemical resistance and formability, and has been widely used in the industries of automobiles, household electrical appliances, buildings and the like.
PP has a very strong electrical insulation property (surface resistivity as high as 10) due to its low molecular polarity and poor water absorption16～1018Omega) which can generate and accumulate static electricity on the surface of the product due to friction, peeling or induction processes during production and use, thereby generating static electricity hazards such as dust absorption, discharge, breakdown, even combustion or explosion. Particularly in winter in the north, because of dry weather and more dust, a large amount of dust can be adsorbed on the surface of the automobile part during the placement period after the injection molding is finished. Firstly, the dust dry cloth is almost not wiped off, and only wet cloth can be used for wiping, so that a large amount of manpower and material resources are consumed; secondly, the wiped workpiece can quickly adsorb dust again, and the adsorption speed is very high; thirdly, the static electricity causes the materials in the packaging bag to be unable to be poured out completely and to be adsorbed on the inner wall of the packaging bag. Therefore, the PP material for antistatic vehicles has become one of the important directions in the field of plastic modification.
The master batch mainly comprises three parts of various chemical additives, carriers and dispersing agents, and is a polymer compound prepared by uniformly loading an excessive amount of chemical additives on resin, wherein the selected resin has good wetting and dispersing effects on the chemical additives and has good compatibility with application materials.
However, the polypropylene master batches used at present have the following problems:
1. when the antistatic agent is applied to polypropylene, the prepared polypropylene product has poor antistatic performance and poor antistatic effect;
2. when the polypropylene is applied to polypropylene, the flexibility of the prepared polypropylene product is not obviously improved or is hardly improved, and the requirements of polypropylene fiber products cannot be met;
3. when the polypropylene is applied to polypropylene, the prepared polypropylene product has poor smoothness;
4. the addition of various additives is applied to polypropylene, so that the tensile strength and the impact strength of the prepared polypropylene product are greatly reduced.
Disclosure of Invention
Based on the above situation, the invention aims to provide a polypropylene antistatic soft master batch and a preparation method thereof, which can effectively solve the above problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the antistatic polypropylene soft master batch is prepared from the following raw materials in parts by weight:
3-4 parts of oleamide,
2-3 parts of erucamide,
4-5 parts of zinc stearate,
9-11 parts of antistatic agent,
50-58 parts of polypropylene powder,
23-27 parts of an ethylene-propylene copolymer.
Preferably, the polypropylene antistatic soft master batch is prepared from the following raw materials in parts by weight:
3.5 parts of oleamide,
2.5 parts of erucamide,
4.5 portions of zinc stearate,
10 portions of antistatic agent,
54 parts of polypropylene powder,
25 parts of ethylene-propylene copolymer.
Preferably, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
15-20 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
10-13 parts of ethoxylated dodecylamine,
7.5 to 10 parts of ethoxyamine,
12-16 parts of glycerin monostearate.
Preferably, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
16-18 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
11-12 parts of ethoxylated dodecylamine,
8-9 parts of ethoxyamine,
13-15 parts of glycerin monostearate.
Preferably, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
17 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
11 parts of ethoxylated dodecylamine,
8.8 parts of ethoxyamine,
14 parts of glycerin monostearate.
Preferably, the polypropylene antistatic soft master batch also comprises the following raw materials in parts by weight:
3.5-5 parts of an antioxidant.
Preferably, the antioxidant is a mixture of an antioxidant 1076 and an antioxidant 1010, wherein the mass ratio of the antioxidant 1076 to the antioxidant 1010 is 1: (3-5).
Preferably, the particle size of the polypropylene powder is 800 meshes or more.
The invention also provides a preparation method of the polypropylene antistatic soft master batch, which comprises the following steps:
A. respectively weighing oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer for later use;
B. feeding oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer into a high-speed mixer, stirring at the rotating speed of 1500-2000 r/min at the mixing temperature of 90-95 ℃, and mixing for 8-10 min;
C. and then feeding the mixture into a double-screw extruder for melt blending, adding an antioxidant, controlling the melting temperature to be 175-215 ℃ and the rotating speed of screws to be 200-250 r/min, and performing extrusion granulation and drying to obtain the polypropylene antistatic soft master batch.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the antistatic polypropylene soft master batch disclosed by the invention is prepared by selecting raw materials, optimizing the content of each raw material, and selecting the appropriate proportion of oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer, so that the advantages of the materials are fully exerted, the materials complement each other, the materials are mutually promoted, the use types of the raw materials are reduced, the cost of the raw materials is optimized, the quality stability of the product is improved, the prepared antistatic polypropylene soft master batch is applied to polypropylene, and the prepared polypropylene product has good antistatic performance and good antistatic effect; the prepared polypropylene product has good smoothness; the prepared polypropylene product has good flexibility; therefore, the antistatic polypropylene soft master batch is not only suitable for the production of polypropylene sheets, but also particularly suitable for the production of polypropylene fiber products, and has wide market application prospect.
According to the antistatic soft master batch, the oleic acid amide and the erucic acid amide are added in a proper proportion, and the proportion of the oleic acid amide and the erucic acid amide is reasonably prepared, so that the antistatic soft master batch as a slipping agent of the antistatic soft master batch is uniformly mixed with a carrier material polypropylene and is matched with other components to play a good synergistic effect, and the antistatic soft master batch of the polypropylene has good slipping property; the prepared polypropylene product can also be ensured to have higher tensile strength and impact strength and good mechanical property.
The antistatic agent is added into the polypropylene antistatic soft master batch in a proper proportion, and the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight: the dodecyl dihydroxyethyl methyl ammonium bromide, the ethoxylated dodecyl amine and the glyceryl monostearate are matched with each other to play a good synergistic effect, so that the prepared antistatic soft master batch for the polypropylene is applied to the polypropylene, the prepared polypropylene product has good antistatic property and antistatic effect, the prepared polypropylene product has high tensile strength and impact strength and good mechanical property, and is particularly suitable for the production of polypropylene fiber products.
The antistatic polypropylene soft master batch is added with the ethylene-propylene copolymer in a proper proportion, and is matched with other components to play a good synergistic effect, so that the antistatic polypropylene soft master batch has high elasticity and good softness, and has a remarkable improvement effect on the softness of polypropylene fiber products.
The preparation method has simple process and simple and convenient operation, and saves manpower and equipment cost.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the reagents and materials, unless otherwise indicated, are conventionally obtained commercially or prepared by conventional methods.
Example 1:
the antistatic polypropylene soft master batch is prepared from the following raw materials in parts by weight:
3-4 parts of oleamide,
2-3 parts of erucamide,
4-5 parts of zinc stearate,
9-11 parts of antistatic agent,
50-58 parts of polypropylene powder,
23-27 parts of an ethylene-propylene copolymer.
In this embodiment, the polypropylene antistatic soft master batch is prepared from the following raw materials in parts by weight:
3.5 parts of oleamide,
2.5 parts of erucamide,
4.5 portions of zinc stearate,
10 portions of antistatic agent,
54 parts of polypropylene powder,
25 parts of ethylene-propylene copolymer.
In this embodiment, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
15-20 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
10-13 parts of ethoxylated dodecylamine,
7.5 to 10 parts of ethoxyamine,
12-16 parts of glycerin monostearate.
In this embodiment, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
16-18 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
11-12 parts of ethoxylated dodecylamine,
8-9 parts of ethoxyamine,
13-15 parts of glycerin monostearate.
In this embodiment, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
17 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
11 parts of ethoxylated dodecylamine,
8.8 parts of ethoxyamine,
14 parts of glycerin monostearate.
In this embodiment, the polypropylene antistatic soft masterbatch further comprises the following raw materials in parts by weight:
3.5-5 parts of an antioxidant.
In this embodiment, the antioxidant is a mixture of antioxidant 1076 and antioxidant 1010, wherein the mass ratio of antioxidant 1076 to antioxidant 1010 is 1: (3-5).
In this embodiment, the particle size of the polypropylene powder is 800 mesh or more.
The embodiment also provides a preparation method of the polypropylene antistatic soft master batch, which comprises the following steps:
A. respectively weighing oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer for later use;
B. feeding oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer into a high-speed mixer, stirring at the rotating speed of 1500-2000 r/min at the mixing temperature of 90-95 ℃, and mixing for 8-10 min;
C. and then feeding the mixture into a double-screw extruder for melt blending, adding an antioxidant, controlling the melting temperature to be 175-215 ℃ and the rotating speed of screws to be 200-250 r/min, and performing extrusion granulation and drying to obtain the polypropylene antistatic soft master batch.
Example 2:
the antistatic polypropylene soft master batch is prepared from the following raw materials in parts by weight:
3 parts of oleamide,
2 parts of erucamide,
4 portions of zinc stearate,
9 portions of antistatic agent,
50 portions of polypropylene powder,
And 23 parts of an ethylene-propylene copolymer.
In this embodiment, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
15 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
10 portions of ethoxylated dodecyl amine,
7.5 parts of ethoxyamine,
12 parts of glycerin monostearate.
In this embodiment, the polypropylene antistatic soft masterbatch further comprises the following raw materials in parts by weight:
and 3.5 parts of an antioxidant.
In this embodiment, the antioxidant is a mixture of antioxidant 1076 and antioxidant 1010, wherein the mass ratio of antioxidant 1076 to antioxidant 1010 is 1: 3.
in this embodiment, the particle size of the polypropylene powder is 800 mesh or more.
The embodiment also provides a preparation method of the polypropylene antistatic soft master batch, which comprises the following steps:
A. respectively weighing oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer for later use;
B. feeding oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer into a high-speed mixer, stirring at the rotating speed of 1500r/min and the mixing temperature of 90 ℃, and mixing for 10 min;
C. and then feeding the mixture into a double-screw extruder for melt blending, adding an antioxidant, controlling the melting temperature to be 175-215 ℃ (dividing the melting temperature into 6 temperature sections, increasing the temperature of each temperature section), controlling the rotating speed of a screw to be 200r/min, and performing extrusion granulation and drying to obtain the polypropylene antistatic soft master batch.
Example 3:
the antistatic polypropylene soft master batch is prepared from the following raw materials in parts by weight:
4 portions of oleamide,
Erucamide 3 parts,
5 portions of zinc stearate,
11 parts of antistatic agent,
58 parts of polypropylene powder,
27 parts of an ethylene-propylene copolymer.
In this embodiment, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
20 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
13 portions of ethoxylated dodecyl amine,
10 parts of ethoxyamine,
16 parts of glycerin monostearate.
In this embodiment, the polypropylene antistatic soft masterbatch further comprises the following raw materials in parts by weight:
and 5 parts of an antioxidant.
In this embodiment, the antioxidant is a mixture of antioxidant 1076 and antioxidant 1010, wherein the mass ratio of antioxidant 1076 to antioxidant 1010 is 1: 5.
in this embodiment, the particle size of the polypropylene powder is 800 mesh or more.
The embodiment also provides a preparation method of the polypropylene antistatic soft master batch, which comprises the following steps:
A. respectively weighing oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer for later use;
B. feeding oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer into a high-speed mixer, stirring at the rotating speed of 2000r/min and the mixing temperature of 95 ℃, and mixing for 8 min;
C. and then feeding the mixture into a double-screw extruder for melt blending, adding an antioxidant, controlling the melting temperature to be 175-215 ℃ (dividing the melting temperature into 6 temperature sections, increasing the temperature of each temperature section), controlling the rotating speed of a screw to be 250r/min, and performing extrusion granulation and drying to obtain the polypropylene antistatic soft master batch.
Example 4:
the antistatic polypropylene soft master batch is prepared from the following raw materials in parts by weight:
3.5 parts of oleamide,
2.5 parts of erucamide,
4.5 portions of zinc stearate,
10 portions of antistatic agent,
54 parts of polypropylene powder,
25 parts of ethylene-propylene copolymer.
In this embodiment, the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
17 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
11 parts of ethoxylated dodecylamine,
8.8 parts of ethoxyamine,
14 parts of glycerin monostearate.
In this embodiment, the polypropylene antistatic soft masterbatch further comprises the following raw materials in parts by weight:
and 4.4 parts of an antioxidant.
In this embodiment, the antioxidant is a mixture of antioxidant 1076 and antioxidant 1010, wherein the mass ratio of antioxidant 1076 to antioxidant 1010 is 1: 4.
in this embodiment, the particle size of the polypropylene powder is 800 mesh or more.
The embodiment also provides a preparation method of the polypropylene antistatic soft master batch, which comprises the following steps:
A. respectively weighing oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer for later use;
B. feeding oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer into a high-speed mixer, stirring at the rotating speed of 1800r/min and the mixing temperature of 93 ℃, and mixing for 9 min;
C. and then feeding the mixture into a double-screw extruder for melt blending, adding an antioxidant, controlling the melting temperature to be 175-215 ℃ (dividing the melting temperature into 6 temperature sections, increasing the temperature of each temperature section), controlling the rotating speed of a screw to be 230r/min, and performing extrusion granulation and drying to obtain the polypropylene antistatic soft master batch.
Comparative example 1:
the difference from example 4 is that no oleamide is present, and the rest is the same as example 4.
Comparative example 2:
the difference from example 4 is that there is no erucamide, otherwise the same as example 4.
Comparative example 3:
the difference from example 4 is that the antistatic agent was replaced with a commercially available antistatic agent AV-400, and the rest was the same as example 4.
Comparative example 4:
the difference from example 4 is that no ethylene-propylene copolymer is present, and the other is the same as example 4.
The polypropylene antistatic soft master batch obtained in examples 2 to 4 of the present invention and the master batch obtained in comparative examples 1 to 4 were subjected to the performance test, and the test results are shown in table 1.
Specifically, slip and surface resistance: 3% of the polypropylene antistatic soft master batch obtained in the examples 2 to 4 and the master batch prepared in the comparative examples 1 to 4 are added into a polypropylene base material to be extruded into a sheet, and then the sheet is cut into a plurality of standard sample strips to be tested for the performance of smoothness and surface resistance.
Wherein, the smoothness is as follows: overlapping 10 standard sample strips, pressing a 5kg weight, placing in a baking oven at 140 ℃ for 1h, naturally cooling, placing for 72 h, observing the stripping difficulty, and adopting 4 grade standards of 'good', 'common', 'poor' and 'poor' for measurement.
Flexibility: the polypropylene antistatic soft master batch obtained in the examples 2 to 4 and the master batch obtained in the comparative examples 1 to 4 are added to a polypropylene base material by 3 percent to prepare a non-woven fabric with the gram weight of 300 g/square meter, and then the test is carried out according to the grade division of the softness of the fabric of Wangya, Luyuzhen, Gao Weidong [ J ]. textile science, 2008, (11):44-47. "; wherein: 1 is very soft, 2 is soft, 3 is soft, 4 is hard, 5 is hard, 6 is hard.
TABLE 1
As can be seen from the above table, the antistatic polypropylene soft masterbatch of the present invention has the following advantages: the antistatic polypropylene is applied to polypropylene, and the prepared polypropylene product has good antistatic property and antistatic effect; the prepared polypropylene product has good smoothness; the prepared polypropylene product has good flexibility; therefore, the antistatic polypropylene soft master batch is not only suitable for the production of polypropylene sheets, but also particularly suitable for the production of polypropylene fiber products, and has wide market application prospect.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (9)
1. The antistatic polypropylene soft master batch is characterized by being prepared from the following raw materials in parts by weight:
3-4 parts of oleamide,
2-3 parts of erucamide,
4-5 parts of zinc stearate,
9-11 parts of antistatic agent,
50-58 parts of polypropylene powder,
23-27 parts of an ethylene-propylene copolymer.
2. The polypropylene antistatic soft master batch according to claim 1, wherein the polypropylene antistatic soft master batch is prepared from the following raw materials in parts by weight:
3.5 parts of oleamide,
2.5 parts of erucamide,
4.5 portions of zinc stearate,
10 portions of antistatic agent,
54 parts of polypropylene powder,
25 parts of ethylene-propylene copolymer.
3. The polypropylene antistatic soft master batch according to claim 1, wherein the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
15-20 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
10-13 parts of ethoxylated dodecylamine,
7.5 to 10 parts of ethoxyamine,
12-16 parts of glycerin monostearate.
4. The polypropylene antistatic soft master batch according to claim 1, wherein the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
16-18 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
11-12 parts of ethoxylated dodecylamine,
8-9 parts of ethoxyamine,
13-15 parts of glycerin monostearate.
5. The polypropylene antistatic soft master batch according to claim 1, wherein the antistatic agent is a mixture prepared by mixing the following raw materials in parts by weight:
17 parts of dodecyl dihydroxyethyl methyl ammonium bromide,
11 parts of ethoxylated dodecylamine,
8.8 parts of ethoxyamine,
14 parts of glycerin monostearate.
6. The polypropylene antistatic flexible masterbatch according to claim 1, further comprising the following raw materials in parts by weight:
3.5-5 parts of an antioxidant.
7. The polypropylene antistatic soft masterbatch according to claim 1, wherein the antioxidant is a mixture of an antioxidant 1076 and an antioxidant 1010, wherein the mass ratio of the antioxidant 1076 to the antioxidant 1010 is 1: (3-5).
8. The antistatic polypropylene soft masterbatch of claim 1, wherein the particle size of the polypropylene powder is 800 meshes or more.
9. A method for preparing the antistatic polypropylene soft masterbatch according to any one of claims 1 to 8, comprising the following steps:
A. respectively weighing oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer for later use;
B. feeding oleamide, erucamide, zinc stearate, an antistatic agent, polypropylene powder and an ethylene-propylene copolymer into a high-speed mixer, stirring at the rotating speed of 1500-2000 r/min at the mixing temperature of 90-95 ℃, and mixing for 8-10 min;
and then feeding the mixture into a double-screw extruder for melt blending, adding an antioxidant, controlling the melting temperature to be 175-215 ℃ and the rotating speed of screws to be 200-250 r/min, and performing extrusion granulation and drying to obtain the polypropylene antistatic soft master batch.
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| CN114752144A (en) * | 2021-01-08 | 2022-07-15 | 联泓(江苏)新材料研究院有限公司 | Polypropylene non-woven fabric soft master batch material and preparation method and application thereof |
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