CN112843879A - Long-acting antibacterial carbon rod filter element and manufacturing method thereof - Google Patents
Long-acting antibacterial carbon rod filter element and manufacturing method thereof Download PDFInfo
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- CN112843879A CN112843879A CN202011640651.9A CN202011640651A CN112843879A CN 112843879 A CN112843879 A CN 112843879A CN 202011640651 A CN202011640651 A CN 202011640651A CN 112843879 A CN112843879 A CN 112843879A
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- Prior art keywords
- antibacterial
- activated carbon
- carbon powder
- filter element
- long
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- -1 polyhexamethylene guanidine Polymers 0.000 claims abstract description 23
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 15
- 239000004698 Polyethylene Substances 0.000 claims abstract description 13
- 229920000573 polyethylene Polymers 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 9
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 9
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000008117 stearic acid Substances 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 229940057995 liquid paraffin Drugs 0.000 claims abstract description 3
- 239000001993 wax Substances 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 239000004615 ingredient Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 8
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000003115 biocidal effect Effects 0.000 claims description 2
- 230000000845 anti-microbial effect Effects 0.000 claims 1
- 239000004599 antimicrobial Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 23
- 238000001914 filtration Methods 0.000 abstract description 5
- 241000894006 Bacteria Species 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
- A01N47/44—Guanidine; Derivatives thereof
-
- 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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2055—Carbonaceous material
- B01D39/2058—Carbonaceous material the material being particulate
-
- 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
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- 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
Abstract
The invention discloses a long-acting antibacterial carbon rod filter element and a manufacturing method thereof, and relates to the technical field of water filtration. The invention comprises the following components in percentage by mass: 80-90% of activated carbon powder, 5-10% of antibacterial agent, 3-5% of dispersing agent and 2-5% of lubricating agent; wherein the carbon mesh number of the activated carbon powder is 100-200 meshes; the antibacterial agent is polyhexamethylene guanidine; the dispersant is polyethanol, and the average molecular weight of polyethanol is 2000-6000; the lubricant is one or a mixture of stearic acid, polyethylene wax or liquid paraffin. According to the invention, the antibacterial agent is added into the activated carbon powder to obtain the antibacterial activated carbon powder, and then the antibacterial activated carbon powder is extruded to form the antibacterial carbon rod filter element, so that the problems that bacteria are easy to breed in the conventional filter element, the health of a user is influenced, and the core changing period is shortened are solved.
Description
Technical Field
The invention belongs to the technical field of water filtration, and particularly relates to a long-acting antibacterial carbon rod filter element and a manufacturing method thereof.
Background
The water purifier is generally used as a household small purifier. 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 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.
For a water purifier, the water purifier generally adopts a filter element combination mode to realize water filtering and purifying in the industry, the mode is that a front filter element, an RO (reverse osmosis) membrane and a rear filter element are commonly used, the rear filter element generally selects an activated carbon material, the activated carbon filter element mainly plays a role in absorbing peculiar smell in water and improving taste, particularly improving water quality and taste, and a water purifier manufacturer can use activated carbon as the rear filter element of the filter element. The activated carbon filter element is used as the last pass of purification of the water purifier, which undoubtedly provides a breeding hotbed for bacteria and causes the microbial pollution of the effluent water quality; thereby causing secondary pollution of the filter element material and poor water quality and taste, leading users to be unhealthy in water use and shortening the core changing period of the users. Based on the above situation, there is an urgent need to develop an antibacterial filter element for a water purifier.
Disclosure of Invention
The invention aims to provide a long-acting antibacterial carbon rod filter element and a manufacturing method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a long-acting antibacterial carbon rod filter element which is prepared from the following components in percentage by mass: 80-90% of activated carbon powder, 5-10% of antibacterial agent, 3-5% of dispersing agent and 2-5% of lubricating agent; wherein the carbon mesh number of the activated carbon powder is 100-200 meshes.
Furthermore, the antibacterial agent is polyhexamethylene guanidine, the effective concentration is low, the sterilization effect is good, the action speed is high, the property is stable, and the decomposition temperature is as high as 340 ℃; the filter core has long-term bacteriostasis, no side effect and difficult emigration, and can achieve the long-term antibiosis effect by matching with the dispersant.
Furthermore, the dispersing agent is the polyethanol, the average molecular weight of the polyethanol is 2000-6000, and the polyethanol is an organic polymer substance and has good compatibility with the antibacterial agent, so that a compatilizer is not required to be added.
Further, the lubricant is one or a mixture of stearic acid, polyethylene wax or liquid paraffin.
Further, the adhesive also comprises a high molecular adhesive; the high molecular binder adopts food-grade ultrahigh molecular weight polyethylene; the mass ratio of the activated carbon powder to the polyethylene is 5: 1.
A manufacturing method of a long-acting antibacterial carbon rod filter element comprises the following steps:
stp1, ingredients: preparing 5-10% of an antibacterial agent, 3-5% of a dispersing agent and 2-5% of a lubricating agent according to mass percentage;
stp2, premix: adding the ingredients into a mixer to be uniformly mixed; then 80-90% of activated carbon powder is added into the mixer; wherein the carbon mesh number of the activated carbon powder is 100-200 meshes;
stp3, extrusion: adding the premix into a single-screw extruder, and extruding to obtain antibacterial activated carbon powder;
stp4, molding: the antibacterial activated carbon powder is used as a base material, food-grade ultrahigh molecular weight polyethylene is added as a high molecular binder, and the antibacterial carbon rod filter core is prepared by a hot press molding process; wherein the mass ratio of the activated carbon powder to the polyethylene is 5: 1;
further, in the hot-press forming process, the heat treatment time is 30min under the conditions that the hot-press temperature is 155-160 ℃ and the pressure is 15 MPa.
The invention has the following beneficial effects:
according to the invention, the antibacterial agent is added into the activated carbon powder to obtain the antibacterial activated carbon powder, and then the antibacterial activated carbon powder is extruded to form the antibacterial carbon rod filter element, so that the problems that the existing filter element is easy to breed bacteria, influences the health of a user and shortens the core changing period are solved; and the polyhexamethylene guanidine is a macromolecular antibacterial agent, is healthy and environment-friendly and is not easy to migrate out, and the filter element can achieve the long-term antibacterial effect by matching with the dispersing agent.
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 one
The invention relates to a long-acting antibacterial carbon rod filter element which is prepared from the following components in percentage by mass: 80g of activated carbon powder, 10g of polyhexamethylene guanidine, 5g of polyethanol and 5g of stearic acid; wherein the carbon mesh number of the activated carbon powder is 100 meshes; wherein the average molecular weight of the polyethanol is 4000.
A manufacturing method of a long-acting antibacterial carbon rod filter element comprises the following steps:
stp1, ingredients: preparing 10g of polyhexamethylene guanidine, 5g of polyethanol and 5g of stearic acid according to mass percentage;
stp2, premix: adding the ingredients into a mixer, uniformly mixing and stirring at a low speed for 5min to obtain an antibacterial agent mixture; then adding 80g of activated carbon powder into the mixer to obtain an antibacterial carbon powder mixture;
stp3, extrusion: adding the premix into a single-screw extruder, and extruding and granulating to obtain antibacterial carbon granules;
stp4, molding: the antibacterial carbon granules are used as base materials, food-grade ultrahigh molecular weight polyethylene is added to be used as a high molecular binder, and the antibacterial carbon rod filter core is prepared through a hot press molding process; wherein the mass ratio of the activated carbon powder to the polyethylene is 5: 1; wherein, in the hot-press molding process, the heat treatment time is 30min under the conditions that the hot-press temperature is 160 ℃ and the pressure is 15 MPa.
Example two
The invention relates to a long-acting antibacterial carbon rod filter element which is prepared from the following components in percentage by mass: 85g of activated carbon powder, 8g of polyhexamethylene guanidine, 4g of polyethanol and 3g of stearic acid; wherein the carbon mesh number of the activated carbon powder is 150 meshes; wherein the average molecular weight of the polyethanol is 5000.
A manufacturing method of a long-acting antibacterial carbon rod filter element comprises the following steps:
stp1, ingredients: preparing 8g of polyhexamethylene guanidine, 4g of polyethanol and 3g of stearic acid according to mass percentage;
stp2, premix: adding the ingredients into a mixer, uniformly mixing and stirring at a low speed for 5min to obtain an antibacterial agent mixture; then adding 85g of activated carbon powder into the mixer to obtain an antibacterial carbon powder mixture;
stp3, extrusion: adding the premix into a single-screw extruder, and extruding and granulating to obtain antibacterial carbon granules;
stp4, molding: the antibacterial carbon granules are used as base materials, food-grade ultrahigh molecular weight polyethylene is added to be used as a high molecular binder, and the antibacterial carbon rod filter core is prepared through a hot press molding process; wherein the mass ratio of the activated carbon powder to the polyethylene is 5: 1; wherein, in the hot-press molding process, the heat treatment time is 30min under the conditions that the hot-press temperature is 160 ℃ and the pressure is 15 MPa.
EXAMPLE III
The invention relates to a long-acting antibacterial carbon rod filter element which is prepared from the following components in percentage by mass: 90g of activated carbon powder, 5g of polyhexamethylene guanidine, 3g of polyethanol and 2g of stearic acid; wherein the carbon mesh number of the activated carbon powder is 200 meshes; wherein the average molecular weight of the polyethanol is 4000.
A manufacturing method of a long-acting antibacterial carbon rod filter element comprises the following steps:
stp1, ingredients: preparing 5g of polyhexamethylene guanidine, 3g of polyethanol and 2g of stearic acid according to mass percentage;
stp2, premix: adding the ingredients into a mixer, uniformly mixing and stirring at a low speed for 5min to obtain an antibacterial agent mixture; then 90g of activated carbon powder is added into the mixer to obtain an antibacterial carbon powder mixture;
stp3, extrusion: adding the premix into a single-screw extruder, and extruding and granulating to obtain antibacterial carbon granules;
stp4, molding: the antibacterial carbon granules are used as base materials, food-grade ultrahigh molecular weight polyethylene is added to be used as a high molecular binder, and the antibacterial carbon rod filter core is prepared through a hot press molding process; wherein the mass ratio of the activated carbon powder to the polyethylene is 5: 1; wherein, in the hot-press molding process, the heat treatment time is 30min under the conditions that the hot-press temperature is 160 ℃ and the pressure is 15 MPa.
Setting a control group: the components of the control group are not added with an antibacterial agent, 200-mesh activated carbon powder is adopted, the mass ratio of the activated carbon powder to polyethylene is 5:1, and an adhesive of ultrahigh molecular weight polyethylene is adopted; the carbon rod filter element is prepared by adopting a hot-press molding process, wherein the hot-press process temperature is 160 ℃, the pressure is 15MPa, and the heat treatment time is 30 min.
The carbon rod filter cores obtained in the first, second, third and control groups are subjected to performance tests, and antibacterial and mildewproof test experiments refer to the test standard GBT 21510-2008, so that the test results are as follows:
and (4) conclusion: the results of the examples 1 to 3 show that the antibacterial carbon rod filter core material of the formula has good antibacterial and mildewproof properties, and the antibacterial rate is over 99 percent.
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 understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A long-acting antibiotic carbon-point filter core which characterized in that: the composition comprises the following components in percentage by mass:
80-90% of activated carbon powder, 5-10% of antibacterial agent, 3-5% of dispersing agent and 2-5% of lubricating agent;
wherein the carbon mesh number of the activated carbon powder is 100-200 meshes.
2. The long-acting antimicrobial carbon rod cartridge of claim 1, wherein the antimicrobial agent is polyhexamethylene guanidine.
3. The long-acting antibacterial carbon rod filter element as claimed in claim 1, wherein the dispersant is polyethylene, and the average molecular weight of the polyethylene is 2000-6000.
4. The long-acting antibacterial carbon rod filter element according to claim 1, wherein the lubricant is one or a mixture of stearic acid, polyethylene wax or liquid paraffin.
5. The long-acting antibacterial carbon rod filter element according to claim 1, further comprising a polymeric binder; the high molecular binder adopts food-grade ultrahigh molecular weight polyethylene;
the mass ratio of the activated carbon powder to the polyethylene is 5: 1.
6. A manufacturing method of a long-acting antibacterial carbon rod filter element is characterized by comprising the following steps:
stp1, ingredients: preparing 5-10% of an antibacterial agent, 3-5% of a dispersing agent and 2-5% of a lubricating agent according to mass percentage;
stp2, premix: adding the ingredients into a mixer to be uniformly mixed; then 80-90% of activated carbon powder is added into the mixer; wherein the carbon mesh number of the activated carbon powder is 100-200 meshes;
stp3, extrusion: adding the premix into a single-screw extruder, and extruding to obtain antibacterial activated carbon powder;
stp4, molding: the antibacterial activated carbon powder is used as a base material, food-grade ultrahigh molecular weight polyethylene is added as a high molecular binder, and the antibacterial carbon rod filter core is prepared by a hot press molding process; wherein the mass ratio of the activated carbon powder to the polyethylene is 5: 1.
7. The method for manufacturing a long-acting antibacterial carbon rod filter element according to claim 9, wherein the hot press molding process is carried out for 30min at a hot press temperature of 155-160 ℃ and a pressure of 15 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640651.9A CN112843879A (en) | 2020-12-31 | 2020-12-31 | Long-acting antibacterial carbon rod filter element and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640651.9A CN112843879A (en) | 2020-12-31 | 2020-12-31 | Long-acting antibacterial carbon rod filter element and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN112843879A true CN112843879A (en) | 2021-05-28 |
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| CN202011640651.9A Pending CN112843879A (en) | 2020-12-31 | 2020-12-31 | Long-acting antibacterial carbon rod filter element and manufacturing method thereof |
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| CN111672206A (en) * | 2020-07-16 | 2020-09-18 | 长虹美菱股份有限公司 | Antibacterial water purifier carbon rod filter element and manufacturing method thereof |
-
2020
- 2020-12-31 CN CN202011640651.9A patent/CN112843879A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397965A (en) * | 2016-08-26 | 2017-02-15 | 常州瑞杰新材料科技股份有限公司 | Antibiotic polypropylene material and preparation method thereof |
| CN111481995A (en) * | 2020-04-15 | 2020-08-04 | 北京纯粹主义科技有限公司 | Long-acting antibacterial filter element material and preparation method thereof |
| CN111393765A (en) * | 2020-04-23 | 2020-07-10 | 长虹美菱股份有限公司 | Antibacterial PVC door seal for refrigerator and preparation method thereof |
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Application publication date: 20210528 |