CN111534004A - Antibacterial PP melt-blown material, melt-blown filter element and preparation method thereof - Google Patents
Antibacterial PP melt-blown material, melt-blown filter element and preparation method thereof Download PDFInfo
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- CN111534004A CN111534004A CN202010560240.2A CN202010560240A CN111534004A CN 111534004 A CN111534004 A CN 111534004A CN 202010560240 A CN202010560240 A CN 202010560240A CN 111534004 A CN111534004 A CN 111534004A
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- antibacterial
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- filter element
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0622—Melt-blown
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses an antibacterial PP melt-blown material and a melt-blown filter element, and relates to the technical field of filter elements. The antibacterial PP melt-spraying material comprises the following components in percentage by mass: 90% -96% of PP resin; 1% -4% of an antibacterial agent; 2% -4% of a compatilizer; 0.2 to 2 percent of dispersant; and the antimicrobial agent is polyhexamethylene guanidine; the antibacterial PP melt-blown filter element is prepared from the antibacterial PP melt-blown material. According to the invention, the antibacterial PP melt-blown material is prepared by adding the antibacterial agent polyhexamethylene guanidine, and the antibacterial PP melt-blown filter core is prepared by the antibacterial PP melt-blown material, so that the long-acting antibacterial effect of the filter core is realized, and the problems of poor stability and low sterilization efficiency of the conventional filter core are solved.
Description
Technical Field
The invention belongs to the technical field of filter elements, and particularly relates to an antibacterial PP melt-blown material, a melt-blown filter element and a preparation method thereof.
Background
The water purifier is also called water purifier and water quality purifier, and is water treatment equipment for deeply filtering and purifying water according to the use requirement of water. The water purifier is generally used as a household small purifier. The water purifier is an essential household appliance for daily families, is generally connected behind the water outlet end of tap water, and provides filtration guarantee for domestic drinking water of human beings, kitchen electric water and the like.
In addition, with the improvement of living standard of people, the functional requirements of the water purifier are higher and higher, and especially the sterilization function of the water purifier is concerned. At present, the water purifier mainly carries out sterilization by silver ions and ultraviolet rays, but the two sterilization functions have own defects, the silver ions have a bacteriostatic action only when reaching a certain concentration, and meanwhile, the silver ions are heavy metal ions, and if the concentration of the silver ions is unstable, the health of people can be threatened; in addition, the ultraviolet lamp needs time from charging to sterilization, and the whole sterilization effect cannot be ensured; at the same time, the ultraviolet lamp will age at the end of its use, i.e. the intensity of the light gradually diminishes, so that the disinfection will also diminish.
The water purifier filter element combination generally comprises a front filter element, an RO membrane filter element and an active carbon rear filter element, wherein the front filter element is generally formed by combining PP cotton and an active carbon filter element, and the PP filter element is divided into a non-woven fabric filter element and a melt-blown fabric filter element; the melt-blown PP has small pore size, can block solid matters with smaller particle size and is widely applied to water purifiers.
The commonly used antibacterial agents in the existing industry are inorganic antibacterial agents, organic antibacterial agents and natural antibacterial agents; the inorganic antibacterial agent mainly is the antibacterial agent type represented by metals such as silver, copper, zinc and the like, particularly a silver ion antibacterial agent which plays a leading role in inorganic antibacterial; the organic antibacterial agent is mainly micromolecular organic matter such as imidazoles, thiazoles, quaternary ammonium salts and the like; the natural antibacterial agent is mainly extracted from natural plants, such as chitin, mustard, castor oil, horseradish, etc.; however, the antibacterial agents have own disadvantages in plastic application, such as incompatibility between the metal ion antibacterial agent and plastic particles, self-colored metal ions and the like, easy precipitation of the organic micromolecule antibacterial agent, and poor long-term stability; and poor heat resistance and low sterilization efficiency of natural antibacterial agents.
Based on the above situation, it is very important to develop an antibacterial PP melt-blown filter element with good stability, long-acting antibacterial effect and high sterilization efficiency.
Disclosure of Invention
The invention aims to provide an antibacterial PP melt-blown material and a melt-blown filter element, wherein the antibacterial PP melt-blown material is prepared by adding an antibacterial agent polyhexamethylene guanidine, and the antibacterial PP melt-blown filter element is prepared by the antibacterial PP melt-blown material, so that the long-acting antibacterial effect of the antibacterial PP melt-blown filter element is realized, and the problems of poor stability and low sterilization efficiency of the conventional filter element are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an antibacterial PP melt-spraying material, which comprises the following components in percentage by mass:
90% -96% of PP resin; the melt index of the PP resin is 1200-1800g/10 min.
1% -4% of an antibacterial agent; the antibacterial agent is polyhexamethylene guanidine, and the molecular formula is (C)7H16N3Cl)n(ii) a Specifically, the compound may be polyhexamethylene guanidine hydrochloride, or other polyhexamethylene guanidine derivatives, such as polyhexamethylene guanidine phosphate or polyhexamethylene guanidine propionate.
2% -4% of a compatilizer; the compatilizer is polypropylene grafted maleic anhydride.
0.2 to 2 percent of dispersant; the dispersing agent is one or a mixture of stearic acid, polyethylene wax or liquid paraffin.
An antibacterial PP melt-blown filter element is prepared from the antibacterial PP melt-blown material.
A preparation method of an antibacterial PP melt-blown filter element comprises the following steps:
the method comprises the following steps: preparing an auxiliary mixture; mixing the antibacterial agent, the compatilizer and the dispersing agent according to the formula ratio, and uniformly stirring to obtain an auxiliary agent mixture;
step two: preparing an antibacterial PP melt-blown powder mixture; putting the PP resin with the formula amount into a mixer, stirring for 1-5 minutes, adding the auxiliary agent mixture into the PP resin, and fully stirring for 5-20 minutes to obtain an antibacterial PP melt-blown powder mixture;
step three: preparing an antibacterial PP melt-spraying material; extruding and granulating the obtained antibacterial PP melt-blown powder mixture to obtain an antibacterial PP melt-blown material;
step four: slicing the antibacterial PP melt-blown material by using a screw extruder, extruding the sliced antibacterial PP melt-blown material by a conveying section, and melting the sliced antibacterial PP melt-blown material at the temperature of 160-185 ℃;
step five: filtering impurities, metering by a spinning pump, preparing a high-temperature melt at the temperature of 200-315 ℃, spinning the high-temperature melt into fiber yarns through a die head, and spinning the prepared fiber yarns into fiber webs;
step six: and winding the fiber web into a tubular shape, and cutting the fiber web in sections to obtain the antibacterial PP melt-blown filter element.
The invention has the following beneficial effects:
according to the invention, the polyhexamethylene guanidine is added as an antibacterial agent to prepare the antibacterial PP melt-blown material and the antibacterial PP melt-blown filter element, and by utilizing the antibacterial property of the polyhexamethylene guanidine, the long-acting antibacterial effect of the antibacterial PP melt-blown filter element is realized, the antibacterial performance of the PP filter element is effectively improved, the bacterial growth of the whole filter system is inhibited, the water quality health after the antibacterial PP melt-blown filter element is filtered is effectively ensured, meanwhile, no secondary pollution is caused, and the water purification effect is greatly improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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.
Example 1
An antibacterial PP melt-spray material, comprising: 90g of PP resin (such as Shandong Dounin shares Z-1200), 4g of polyhexamethylene guanidine antibacterial agent, 4g of compatilizer polypropylene grafted maleic anhydride and 2g of dispersant polyethylene wax.
An antibacterial PP melt-blown filter element is prepared from the antibacterial PP melt-blown material, and the preparation method comprises the following steps:
the method comprises the following steps: preparing an auxiliary mixture; adding the antibacterial agent, the compatilizer and the dispersing agent in the formula ratio into a mixer, mixing and uniformly stirring to obtain an auxiliary agent mixture.
Step two: preparing an antibacterial PP melt-blown powder mixture; putting the PP resin with the formula amount into a mixer, stirring for 1-5 minutes, such as 2 minutes, adding the auxiliary agent mixture into the PP resin, and fully stirring for 5-20 minutes, such as 10 minutes to obtain the antibacterial PP melt-blown powder mixture.
Step three: preparing an antibacterial PP melt-spraying material; and plasticizing, extruding and granulating the obtained antibacterial PP melt-blown powder mixture by using a double screw to obtain the antibacterial PP melt-blown material.
Step four: the antibacterial PP melt-blown material is sliced by a screw extruder, extruded by a conveying section and melted at the temperature of 160-185 ℃.
Step five: filtering impurities, metering by a spinning pump, heating at the temperature of 200-315 ℃ to prepare high-temperature melt, spinning the high-temperature melt into fiber yarns through a die head, and spinning the prepared fiber yarns into fiber webs.
Step six: and winding the fiber web into a tubular shape by a winding machine, and cutting the fiber web in sections to obtain the antibacterial PP melt-blown filter element.
Example 2
An antibacterial PP melt-spray material, comprising: 95g of PP resin, 4g of polyhexamethylene guanidine antibacterial agent, 3.9g of compatilizer polypropylene grafted maleic anhydride and 2.1g of dispersant polyethylene wax.
An antibacterial PP melt-blown filter element is prepared from the antibacterial PP melt-blown material, and the preparation method is the same as the first embodiment.
Example 3
An antibacterial PP melt-spray material, comprising: 98g of PP resin, 3g of polyhexamethylene guanidine antibacterial agent, 3g of compatilizer polypropylene grafted maleic anhydride and 2g of dispersant polyethylene wax.
An antibacterial PP melt-blown filter element is prepared from the antibacterial PP melt-blown material, and the preparation method is the same as the first embodiment.
Comparative example
Preparing a common PP filter element: 90g of PP resin, 4g of compatilizer polypropylene grafted maleic anhydride and 2g of dispersant polyethylene wax are taken.
Firstly, mixing and stirring a compatilizer and a dispersant in a formula amount to obtain an auxiliary agent mixture; and then, putting the PP resin with the formula amount into a mixer, firstly stirring at a low speed for 2 minutes, then adding the auxiliary mixture, and then fully stirring for 10 minutes to obtain a PP melt-blown powder mixture.
And plasticizing, extruding and granulating the obtained PP melt-blown powder mixture by using a double screw to obtain PP melt-blown granules.
And then slicing the obtained PP melt-blown granules by a screw extruder, extruding the PP melt-blown granules by a conveying section, melting the PP melt-blown granules at 185 ℃, filtering impurities, metering by a spinning pump, heating the PP melt-blown granules at 315 ℃ to obtain a high-temperature solution, spinning the solution into fiber yarns by a die head, gathering the prepared fiber yarns into fiber webs on a receiving device net machine, finally winding the fiber webs into tubular objects with certain specification thickness by a winding machine, and cutting the tubular objects into common PP filter elements in sections.
The evaluation method comprises the following steps:
(1) the PP cartridges obtained in examples 1 to 3 and comparative example were evaluated for antibacterial properties, respectively.
(2) Evaluation index and test method: testing environmental protection performance: the antibacterial and mildewproof test experiment refers to GB21551.2-2010 test standard. The test results are shown in table 1. comparison of properties.
TABLE 1 comparison of Properties
And (3) mildew-proof grade:
no mould growth of grade 0;
grade 1 mild mold growth (10%);
grade 2 mild mold growth (10% -30%);
grade 3 moderate mold growth (30% -60%);
grade 4 severe mold growth (60% -100%);
as can be seen from the results of the performance comparison in Table 1, the antibacterial PP melt-blown filter element prepared by using the polyhexamethylene guanidine as the antibacterial agent has good antibacterial and mildewproof properties, the antibacterial rate reaches over 99 percent, and the mildewproof grade reaches 0 grade. The long-acting antibacterial effect of the antibacterial PP melt-blown filter element is realized, the bacterial breeding of the whole filtering system is inhibited, and the health of the water quality filtered by the antibacterial PP melt-blown filter element is effectively ensured.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. An antibacterial PP melt-spraying material is characterized in that: the method comprises the following steps of:
the antibacterial agent is polyhexamethylene guanidine, and the molecular formula is (C)7H16N3Cl)n。
2. The antibacterial PP melt-spraying material as claimed in claim 1, wherein the PP resin melt index is 1200-1800g/10 min.
3. The antibacterial PP meltblown according to claim 1, wherein the compatibilizer is polypropylene grafted maleic anhydride.
4. The antibacterial PP meltblown material according to claim 1, wherein the dispersing agent is one or more of stearic acid, polyethylene wax or liquid paraffin.
5. An antibacterial PP melt-blown filter element, which is characterized in that the antibacterial PP melt-blown filter element is prepared from the antibacterial PP melt-blown material in claim 1.
6. The preparation method of the antibacterial PP melt-blown filter element is characterized by comprising the following steps:
the method comprises the following steps: preparing an auxiliary mixture; mixing the antibacterial agent, the compatilizer and the dispersing agent according to the formula ratio, and uniformly stirring to obtain an auxiliary agent mixture;
step two: preparing an antibacterial PP melt-blown powder mixture; putting the PP resin with the formula amount into a mixer, stirring for 1-5 minutes, adding the auxiliary agent mixture into the PP resin, and fully stirring for 5-20 minutes to obtain an antibacterial PP melt-blown powder mixture;
step three: preparing an antibacterial PP melt-spraying material; extruding and granulating the obtained antibacterial PP melt-blown powder mixture to obtain an antibacterial PP melt-blown material;
step four: slicing the antibacterial PP melt-blown material by using a screw extruder, extruding the sliced antibacterial PP melt-blown material by a conveying section, and melting the sliced antibacterial PP melt-blown material at the temperature of 160-185 ℃;
step five: filtering impurities, metering by a spinning pump, preparing a high-temperature melt at the temperature of 200-315 ℃, spinning the high-temperature melt into fiber yarns through a die head, and spinning the prepared fiber yarns into fiber webs;
step six: and winding the fiber web into a tubular shape, and cutting the fiber web in sections to obtain the antibacterial PP melt-blown filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010560240.2A CN111534004A (en) | 2020-06-18 | 2020-06-18 | Antibacterial PP melt-blown material, melt-blown filter element and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010560240.2A CN111534004A (en) | 2020-06-18 | 2020-06-18 | Antibacterial PP melt-blown material, melt-blown filter element and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112029196A (en) * | 2020-09-12 | 2020-12-04 | 温州森纳包装材料有限公司 | BOPP film and preparation method thereof |
| CN112409691A (en) * | 2020-11-19 | 2021-02-26 | 长虹美菱股份有限公司 | Antibacterial melt-blown material, antibacterial melt-blown filter element and preparation method thereof |
| CN112843879A (en) * | 2020-12-31 | 2021-05-28 | 长虹美菱股份有限公司 | Long-acting antibacterial carbon rod filter element and manufacturing method thereof |
| CN112876769A (en) * | 2021-01-20 | 2021-06-01 | 称道新材料科技(上海)有限公司 | Oil-resistant melt-blown material and preparation process thereof |
| CN114134636A (en) * | 2021-11-25 | 2022-03-04 | 青岛新鲸医疗技术有限公司 | Self-disinfecting melt-blown nonwoven fabric |
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| CN106621572A (en) * | 2016-11-17 | 2017-05-10 | 浙江水马环保科技有限公司 | Multi-ion antibacterial PP (polypropylene) fiber filter element and preparation method thereof |
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2020
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| CN103408840A (en) * | 2013-08-08 | 2013-11-27 | 上海日之升新技术发展有限公司 | Broad-spectrum antimicrobial fragrant polypropylene resin for washing machine, and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112029196A (en) * | 2020-09-12 | 2020-12-04 | 温州森纳包装材料有限公司 | BOPP film and preparation method thereof |
| CN112029196B (en) * | 2020-09-12 | 2022-09-20 | 温州森纳包装材料有限公司 | BOPP film and preparation method thereof |
| CN112409691A (en) * | 2020-11-19 | 2021-02-26 | 长虹美菱股份有限公司 | Antibacterial melt-blown material, antibacterial melt-blown filter element and preparation method thereof |
| CN112843879A (en) * | 2020-12-31 | 2021-05-28 | 长虹美菱股份有限公司 | Long-acting antibacterial carbon rod filter element and manufacturing method thereof |
| CN112876769A (en) * | 2021-01-20 | 2021-06-01 | 称道新材料科技(上海)有限公司 | Oil-resistant melt-blown material and preparation process thereof |
| CN114134636A (en) * | 2021-11-25 | 2022-03-04 | 青岛新鲸医疗技术有限公司 | Self-disinfecting melt-blown nonwoven fabric |
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Application publication date: 20200814 |