CN112680880A - Melt-blown oil-absorbing wiping cloth - Google Patents
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Abstract
The invention discloses a melt-blown oil-absorbing wiping cloth, which particularly relates to the field of articles for daily use and comprises the following raw materials in parts by weight: 100-150 parts of polylactic acid, 5-10 parts of oil absorption resin A, 5-10 parts of oil absorption resin B, 6-10 parts of toughening agent, 5-10 parts of electrodeless electret assistant, 5-10 parts of organic electret assistant and 15-20 parts of expanded graphite, wherein the oil absorption resin A is at least one of ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer and ethylene-glycidyl methacrylate copolymer. According to the invention, the polylactic acid melt-blown cloth prepared by replacing polypropylene with polylactic acid has the advantages of reproducibility, biodegradability, biocompatibility, low carbon emission and low energy consumption, so that the energy conservation and the environmental protection can be realized, and meanwhile, the oil absorption performance of the melt-blown oil absorption wiping cloth can be further improved by using the expanded graphite, so that the polylactic acid melt-blown cloth has higher production value.
Description
Technical Field
The invention relates to the technical field of articles for daily use, in particular to a melt-blown oil-absorbing wiping cloth.
Background
The wiping cloth is a cleaning product made of non-woven fabrics, has the advantages of small storage space, strong absorption force, no damage to the surface of an object, no burr drop and no static electricity generation, can be used together with liquids such as solvents and the like, and is specially designed for different use environments. The method is widely applied to the fields of printing, electronics, machinery, motors, mould processing, automobiles, aviation, petrifaction, laboratories, plastics, research laboratories, clean rooms, food, pharmacy and the like. The kitchen wiping cloth is more and more select non-woven fabrics goods, and its cost is lower relatively, and is mostly disposable wiping products, gets to use conveniently.
At present, the melt-blown oil absorption wiping cloth is mainly produced by adopting a PP material, and the PP material is not easy to degrade in the using process, so that the discarded melt-blown oil absorption wiping cloth can cause pollution to the environment.
Disclosure of Invention
To overcome the above-mentioned deficiencies of the prior art, embodiments of the present invention provide a meltblown oil absorbent wipe that solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a melt-blown oil-absorbing wiping cloth comprises the following raw materials in parts by weight:
100-150 parts of polylactic acid, 5-10 parts of oil-absorbing resin A, 5-10 parts of oil-absorbing resin B, 6-10 parts of toughening agent, 5-10 parts of electrodeless electret assistant, 5-10 parts of organic electret assistant and 15-20 parts of expanded graphite.
Further, the oil-absorbing resin A is at least one of ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer and ethylene-glycidyl methacrylate copolymer.
Further, the oil-absorbing resin B is a linear copolymer which takes polystyrene as a terminal section and takes an ethylene-butylene copolymer obtained by hydrogenation of polybutadiene as a middle elastic block.
Further, the electrodeless electret assistant is at least one of silicon nitride, silicon dioxide, zinc oxide, tantalum oxide and aluminum oxide.
Further, the organic electret assistant is at least one of fluorine-containing polyimide, fluorine-containing polyaryletherketone and fluorine-containing benzoxazole polymer.
Further, the toughening agent is one of ethylene-vinyl acetate copolymer, polyethylene octene co-elastomer and polymer polyol.
Further, the expanded graphite is prepared by carrying out chemical intercalation treatment on natural crystalline flake graphite or is prepared by heating the expandable graphite at high temperature.
The invention also provides a preparation method of the melt-blown oil-absorbing wiping cloth, which comprises the following steps:
s1, selecting 100-150 parts of polylactic acid, 5-10 parts of oil-absorbing resin A, 5-10 parts of oil-absorbing resin B, 6-10 parts of toughening agent, 5-10 parts of electrodeless electret assistant, 5-10 parts of organic electret assistant and 15-20 parts of expanded graphite according to parts by weight;
s2, preliminarily mixing the raw materials in the step S1, sucking the raw materials by a vacuum feeding machine, and uniformly mixing the raw materials to obtain a mixture;
s3, melting and extruding the mixture obtained in the step S2 through a screw extruder to form a melt, keeping the temperature of the melt at a constant temperature in a pipeline, metering the melt through a metering pump, spraying the melt through a spinneret plate to form fibers, drafting the fibers through hot air, and forming melt-blown cloth on a net curtain;
and S4, sequentially carrying out infrared radiation heat treatment, high-pressure electret treatment, circulating cooling treatment and rolling on the melt-blown cloth obtained in the step S3 to obtain the melt-blown oil-absorbing wiping cloth.
The invention has the technical effects and advantages that:
according to the invention, the polylactic acid melt-blown cloth prepared by replacing polypropylene with polylactic acid has the advantages of reproducibility, biodegradability, biocompatibility, low carbon emission and low energy consumption, so that the energy conservation and the environmental protection can be realized, and meanwhile, the oil absorption performance of the melt-blown oil absorption wiping cloth can be further improved by using the expanded graphite, so that the polylactic acid melt-blown cloth has higher production value.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a melt-blown oil-absorbing wiping cloth which comprises the following raw materials in parts by weight:
100-150 parts of polylactic acid, 5-10 parts of oil-absorbing resin A, 5-10 parts of oil-absorbing resin B, 6-10 parts of toughening agent, 5-10 parts of electrodeless electret assistant, 5-10 parts of organic electret assistant and 15-20 parts of expanded graphite.
In a preferred embodiment, the oil-absorbing resin a is at least one of an ethylene-vinyl acetate copolymer, an ethylene-methyl methacrylate copolymer, and an ethylene-glycidyl methacrylate copolymer.
In a preferred embodiment, the oil-absorbent resin B is a linear copolymer having polystyrene as a terminal block and an ethylene-butene copolymer obtained by hydrogenating polybutadiene as a middle elastic block.
In a preferred embodiment, the electrodeless electret assistant is at least one of silicon nitride, silicon dioxide, zinc oxide, tantalum oxide and aluminum oxide.
In a preferred embodiment, the organic electret assistant is at least one of fluorine-containing polyimide, fluorine-containing polyaryletherketone and fluorine-containing benzoxazole polymer.
In a preferred embodiment, the toughening agent is one of ethylene-vinyl acetate copolymer, polyethylene octene co-elastomer, polymer polyol.
In a preferred embodiment, the expanded graphite is an expanded graphite prepared by chemically intercalating natural crystalline flake graphite or an expanded graphite prepared by heating an expandable graphite at a high temperature.
The invention also provides a preparation method of the melt-blown oil-absorbing wiping cloth, which comprises the following steps:
s1, selecting 100-150 parts of polylactic acid, 5-10 parts of oil-absorbing resin A, 5-10 parts of oil-absorbing resin B, 6-10 parts of toughening agent, 5-10 parts of electrodeless electret assistant, 5-10 parts of organic electret assistant and 15-20 parts of expanded graphite according to parts by weight;
s2, preliminarily mixing the raw materials in the step S1, sucking the raw materials by a vacuum feeding machine, and uniformly mixing the raw materials to obtain a mixture;
s3, melting and extruding the mixture obtained in the step S2 through a screw extruder to form a melt, keeping the temperature of the melt at a constant temperature in a pipeline, metering the melt through a metering pump, spraying the melt through a spinneret plate to form fibers, drafting the fibers through hot air, and forming melt-blown cloth on a net curtain;
and S4, sequentially carrying out infrared radiation heat treatment, high-pressure electret treatment, circulating cooling treatment and rolling on the melt-blown cloth obtained in the step S3 to obtain the melt-blown oil-absorbing wiping cloth.
Example 1
A melt-blown oil-absorbing wiping cloth comprises the following raw materials in parts by weight:
100 parts of polylactic acid, 5 parts of oil-absorbing resin A, 5 parts of oil-absorbing resin B, 6 parts of toughening agent, 5 parts of electrodeless electret assistant, 5 parts of organic electret assistant and 15 parts of expanded graphite.
Wherein the oil-absorbing resin A is at least one of ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer and ethylene-glycidyl methacrylate copolymer, the oil-absorbing resin B is prepared by taking polystyrene as a tail end section, the preparation method comprises the steps of taking an ethylene-butylene copolymer obtained by polybutadiene hydrogenation as a linear copolymer of a middle elastic block, taking at least one of silicon nitride, silicon dioxide, zinc oxide, tantalum oxide and aluminum oxide as an electrodeless electret auxiliary agent, taking at least one of fluorine-containing polyimide, fluorine-containing polyaryletherketone and fluorine-containing benzoxazole polymer as an organic electret auxiliary agent, taking one of ethylene-vinyl acetate copolymer, polyethylene octene co-elastomer and polymer polyol as a toughening agent, and taking expanded graphite as expandable graphite prepared by chemical intercalation treatment of natural crystalline flake graphite or expandable graphite prepared by heating at high temperature.
The preparation method of the melt-blown oil-absorbing wiping cloth comprises the following steps:
s1, selecting 100 parts of polylactic acid, 5 parts of oil-absorbing resin A, 5 parts of oil-absorbing resin B, 6 parts of toughening agent, 5 parts of electrodeless electret assistant, 5 parts of organic electret assistant and 15 parts of expanded graphite according to parts by weight;
s2, preliminarily mixing the raw materials in the step S1, sucking the raw materials by a vacuum feeding machine, and uniformly mixing the raw materials to obtain a mixture;
s3, melting and extruding the mixture obtained in the step S2 through a screw extruder to form a melt, keeping the temperature of the melt at a constant temperature in a pipeline, metering the melt through a metering pump, spraying the melt through a spinneret plate to form fibers, drafting the fibers through hot air, and forming melt-blown cloth on a net curtain;
and S4, sequentially carrying out infrared radiation heat treatment, high-pressure electret treatment, circulating cooling treatment and rolling on the melt-blown cloth obtained in the step S3 to obtain the melt-blown oil-absorbing wiping cloth.
Example 2
A melt-blown oil-absorbing wiping cloth comprises the following raw materials in parts by weight:
150 parts of polylactic acid, 10 parts of oil-absorbing resin A, 10 parts of oil-absorbing resin B, 10 parts of toughening agent, 10 parts of electrodeless electret assistant, 10 parts of organic electret assistant and 20 parts of expanded graphite.
Wherein the oil-absorbing resin A is at least one of ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer and ethylene-glycidyl methacrylate copolymer, the oil-absorbing resin B is prepared by taking polystyrene as a tail end section, the preparation method comprises the steps of taking an ethylene-butylene copolymer obtained by polybutadiene hydrogenation as a linear copolymer of a middle elastic block, taking at least one of silicon nitride, silicon dioxide, zinc oxide, tantalum oxide and aluminum oxide as an electrodeless electret auxiliary agent, taking at least one of fluorine-containing polyimide, fluorine-containing polyaryletherketone and fluorine-containing benzoxazole polymer as an organic electret auxiliary agent, taking one of ethylene-vinyl acetate copolymer, polyethylene octene co-elastomer and polymer polyol as a toughening agent, and taking expanded graphite as expandable graphite prepared by chemical intercalation treatment of natural crystalline flake graphite or expandable graphite prepared by heating at high temperature.
The preparation method of the melt-blown oil-absorbing wiping cloth comprises the following steps:
s1, selecting 150 parts of polylactic acid, 10 parts of oil-absorbing resin A, 10 parts of oil-absorbing resin B, 10 parts of toughening agent, 10 parts of electrodeless electret assistant, 10 parts of organic electret assistant and 20 parts of expanded graphite according to parts by weight;
s2, preliminarily mixing the raw materials in the step S1, sucking the raw materials by a vacuum feeding machine, and uniformly mixing the raw materials to obtain a mixture;
s3, melting and extruding the mixture obtained in the step S2 through a screw extruder to form a melt, keeping the temperature of the melt at a constant temperature in a pipeline, metering the melt through a metering pump, spraying the melt through a spinneret plate to form fibers, drafting the fibers through hot air, and forming melt-blown cloth on a net curtain;
and S4, sequentially carrying out infrared radiation heat treatment, high-pressure electret treatment, circulating cooling treatment and rolling on the melt-blown cloth obtained in the step S3 to obtain the melt-blown oil-absorbing wiping cloth.
Example 3
A melt-blown oil-absorbing wiping cloth comprises the following raw materials in parts by weight:
130 parts of polylactic acid, 7 parts of oil-absorbing resin A, 8 parts of oil-absorbing resin B, 8 parts of toughening agent, 7 parts of electrodeless electret assistant, 7 parts of organic electret assistant and 18 parts of expanded graphite.
Wherein the oil-absorbing resin A is at least one of ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer and ethylene-glycidyl methacrylate copolymer, the oil-absorbing resin B is prepared by taking polystyrene as a tail end section, the preparation method comprises the steps of taking an ethylene-butylene copolymer obtained by polybutadiene hydrogenation as a linear copolymer of a middle elastic block, taking at least one of silicon nitride, silicon dioxide, zinc oxide, tantalum oxide and aluminum oxide as an electrodeless electret auxiliary agent, taking at least one of fluorine-containing polyimide, fluorine-containing polyaryletherketone and fluorine-containing benzoxazole polymer as an organic electret auxiliary agent, taking one of ethylene-vinyl acetate copolymer, polyethylene octene co-elastomer and polymer polyol as a toughening agent, and taking expanded graphite as expandable graphite prepared by chemical intercalation treatment of natural crystalline flake graphite or expandable graphite prepared by heating at high temperature.
The preparation method of the melt-blown oil-absorbing wiping cloth comprises the following steps:
s1, selecting 130 parts of polylactic acid, 7 parts of oil-absorbing resin A, 8 parts of oil-absorbing resin B, 8 parts of toughening agent, 7 parts of electrodeless electret assistant, 7 parts of organic electret assistant and 18 parts of expanded graphite according to parts by weight;
s2, preliminarily mixing the raw materials in the step S1, sucking the raw materials by a vacuum feeding machine, and uniformly mixing the raw materials to obtain a mixture;
s3, melting and extruding the mixture obtained in the step S2 through a screw extruder to form a melt, keeping the temperature of the melt at a constant temperature in a pipeline, metering the melt through a metering pump, spraying the melt through a spinneret plate to form fibers, drafting the fibers through hot air, and forming melt-blown cloth on a net curtain;
and S4, sequentially carrying out infrared radiation heat treatment, high-pressure electret treatment, circulating cooling treatment and rolling on the melt-blown cloth obtained in the step S3 to obtain the melt-blown oil-absorbing wiping cloth.
Example 4
A melt-blown oil-absorbing wiping cloth comprises the following raw materials in parts by weight:
110 parts of polylactic acid, 6 parts of oil-absorbing resin A, 6 parts of oil-absorbing resin B, 7 parts of toughening agent, 7 parts of electrodeless electret assistant, 6 parts of organic electret assistant and 16 parts of expanded graphite.
Wherein the oil-absorbing resin A is at least one of ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer and ethylene-glycidyl methacrylate copolymer, the oil-absorbing resin B is prepared by taking polystyrene as a tail end section, the preparation method comprises the steps of taking an ethylene-butylene copolymer obtained by polybutadiene hydrogenation as a linear copolymer of a middle elastic block, taking at least one of silicon nitride, silicon dioxide, zinc oxide, tantalum oxide and aluminum oxide as an electrodeless electret auxiliary agent, taking at least one of fluorine-containing polyimide, fluorine-containing polyaryletherketone and fluorine-containing benzoxazole polymer as an organic electret auxiliary agent, taking one of ethylene-vinyl acetate copolymer, polyethylene octene co-elastomer and polymer polyol as a toughening agent, and taking expanded graphite as expandable graphite prepared by chemical intercalation treatment of natural crystalline flake graphite or expandable graphite prepared by heating at high temperature.
The preparation method of the melt-blown oil-absorbing wiping cloth comprises the following steps:
s1, selecting 110 parts of polylactic acid, 6 parts of oil-absorbing resin A, 6 parts of oil-absorbing resin B, 7 parts of toughening agent, 7 parts of electrodeless electret assistant, 6 parts of organic electret assistant and 16 parts of expanded graphite according to parts by weight;
s2, preliminarily mixing the raw materials in the step S1, sucking the raw materials by a vacuum feeding machine, and uniformly mixing the raw materials to obtain a mixture;
s3, melting and extruding the mixture obtained in the step S2 through a screw extruder to form a melt, keeping the temperature of the melt at a constant temperature in a pipeline, metering the melt through a metering pump, spraying the melt through a spinneret plate to form fibers, drafting the fibers through hot air, and forming melt-blown cloth on a net curtain;
and S4, sequentially carrying out infrared radiation heat treatment, high-pressure electret treatment, circulating cooling treatment and rolling on the melt-blown cloth obtained in the step S3 to obtain the melt-blown oil-absorbing wiping cloth.
Example 5
A melt-blown oil-absorbing wiping cloth comprises the following raw materials in parts by weight:
140 parts of polylactic acid, 9 parts of oil-absorbing resin A, 9 parts of oil-absorbing resin B, 8 parts of toughening agent, 9 parts of electrodeless electret assistant, 8 parts of organic electret assistant and 18 parts of expanded graphite.
Wherein the oil-absorbing resin A is at least one of ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer and ethylene-glycidyl methacrylate copolymer, the oil-absorbing resin B is prepared by taking polystyrene as a tail end section, the preparation method comprises the steps of taking an ethylene-butylene copolymer obtained by polybutadiene hydrogenation as a linear copolymer of a middle elastic block, taking at least one of silicon nitride, silicon dioxide, zinc oxide, tantalum oxide and aluminum oxide as an electrodeless electret auxiliary agent, taking at least one of fluorine-containing polyimide, fluorine-containing polyaryletherketone and fluorine-containing benzoxazole polymer as an organic electret auxiliary agent, taking one of ethylene-vinyl acetate copolymer, polyethylene octene co-elastomer and polymer polyol as a toughening agent, and taking expanded graphite as expandable graphite prepared by chemical intercalation treatment of natural crystalline flake graphite or expandable graphite prepared by heating at high temperature.
The preparation method of the melt-blown oil-absorbing wiping cloth comprises the following steps:
s1, selecting 140 parts of polylactic acid, 9 parts of oil-absorbing resin A, 9 parts of oil-absorbing resin B, 8 parts of toughening agent, 9 parts of electrodeless electret assistant, 8 parts of organic electret assistant and 18 parts of expanded graphite according to parts by weight;
s2, preliminarily mixing the raw materials in the step S1, sucking the raw materials by a vacuum feeding machine, and uniformly mixing the raw materials to obtain a mixture;
s3, melting and extruding the mixture obtained in the step S2 through a screw extruder to form a melt, keeping the temperature of the melt at a constant temperature in a pipeline, metering the melt through a metering pump, spraying the melt through a spinneret plate to form fibers, drafting the fibers through hot air, and forming melt-blown cloth on a net curtain;
and S4, sequentially carrying out infrared radiation heat treatment, high-pressure electret treatment, circulating cooling treatment and rolling on the melt-blown cloth obtained in the step S3 to obtain the melt-blown oil-absorbing wiping cloth.
The melt-blown oil absorption wiping cloths 1 to 5 prepared in the embodiment are respectively added in different amounts to prepare samples, then contrast evaluation analysis is carried out, and two indexes of the initial oil absorption and the oil absorption for recycling after the melt-blown oil absorption wiping cloths are used are monitored for the evaluation effect under the same condition; the monitoring results are shown in table 1 below:
table 1 the results of the test performed on samples made of different parts by weight of materials used for melt-blown oil absorbing wipes 1-5 under the same conditions.
| Item | Initial oil absorption (g) | Oil absorption (g) for recycling |
| Example 1 | 4.56 | 3.21 |
| Example 2 | 4.63 | 3.29 |
| Example 3 | 4.89 | 3.58 |
| Example 4 | 4.72 | 3.38 |
| Example 5 | 4.76 | 3.43 |
In summary, according to the differences in the mass parts of the polylactic acid, the oil-absorbing resin, the toughening agent, the electrodeless electret assistant, the organic electret assistant and the expanded graphite in the embodiments 1 to 5, the data in table 1 show that the embodiment 3 is the best solution.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The melt-blown oil-absorbing wiping cloth is characterized by comprising the following raw materials in parts by weight:
100-150 parts of polylactic acid, 5-10 parts of oil-absorbing resin A, 5-10 parts of oil-absorbing resin B, 6-10 parts of toughening agent, 5-10 parts of electrodeless electret assistant, 5-10 parts of organic electret assistant and 15-20 parts of expanded graphite.
2. A meltblown oil absorbing wipe as set forth in claim 1 further characterized by: the oil-absorbing resin A is at least one of ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer and ethylene-glycidyl methacrylate copolymer.
3. A meltblown oil absorbing wipe as set forth in claim 1 further characterized by: the oil-absorbing resin B is a linear copolymer which takes polystyrene as a tail end section and takes an ethylene-butylene copolymer obtained by hydrogenation of polybutadiene as a middle elastic block.
4. A meltblown oil absorbing wipe as set forth in claim 1 further characterized by: the electrodeless electret assistant is at least one of silicon nitride, silicon dioxide, zinc oxide, tantalum oxide and aluminum oxide.
5. A meltblown oil absorbing wipe as set forth in claim 1 further characterized by: the organic electret assistant is at least one of fluorine-containing polyimide, fluorine-containing polyarylether ketone and fluorine-containing benzoxazole polymer.
6. A meltblown oil absorbing wipe as set forth in claim 1 further characterized by: the toughening agent is one of ethylene-vinyl acetate copolymer, polyethylene octene co-elastomer and polymer polyol.
7. A meltblown oil absorbing wipe as set forth in claim 1 further characterized by: the expanded graphite is prepared by carrying out chemical intercalation treatment on natural crystalline flake graphite or is prepared by heating the expandable graphite at high temperature.
8. The method of making a meltblown oil absorbing wipe of any of claims 1-7 including the steps of:
s1, selecting 100-150 parts of polylactic acid, 5-10 parts of oil-absorbing resin A, 5-10 parts of oil-absorbing resin B, 6-10 parts of toughening agent, 5-10 parts of electrodeless electret assistant, 5-10 parts of organic electret assistant and 15-20 parts of expanded graphite according to parts by weight;
s2, preliminarily mixing the raw materials in the step S1, sucking the raw materials by a vacuum feeding machine, and uniformly mixing the raw materials to obtain a mixture;
s3, melting and extruding the mixture obtained in the step S2 through a screw extruder to form a melt, keeping the temperature of the melt at a constant temperature in a pipeline, metering the melt through a metering pump, spraying the melt through a spinneret plate to form fibers, drafting the fibers through hot air, and forming melt-blown cloth on a net curtain;
and S4, sequentially carrying out infrared radiation heat treatment, high-pressure electret treatment, circulating cooling treatment and rolling on the melt-blown cloth obtained in the step S3 to obtain the melt-blown oil-absorbing wiping cloth.
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