CN102961923A - Sliver-loaded polypropylene water purifying filter element and manufacturing method thereof - Google Patents
Sliver-loaded polypropylene water purifying filter element and manufacturing method thereof Download PDFInfo
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- CN102961923A CN102961923A CN2012104709910A CN201210470991A CN102961923A CN 102961923 A CN102961923 A CN 102961923A CN 2012104709910 A CN2012104709910 A CN 2012104709910A CN 201210470991 A CN201210470991 A CN 201210470991A CN 102961923 A CN102961923 A CN 102961923A
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Abstract
The invention discloses sliver-loaded polypropylene water purifying filter element. The sliver-loaded polypropylene water purifying filter element is characterized by comprising an element body, wherein the element body is a polypropylene melt-blown element body in which a silver-loaded antibacterial agent is contained. By adopting the sliver-loaded polypropylene water purifying filter element, the function of filtering fine solid granular impurities of the conventional polypropylene water purifying filter element can be realized, and the sterilizing and bacteriostasis functions of a sliver-loaded particle filter element also can be realized, so that the cost of twice filtering can be reduced, the filtering efficiency can be improved, and the technical problem that the impurities are introduced again during filtering for a plurality of times can be effectively solved. The invention also provides a manufacturing method of the sliver-loaded polypropylene water purifying filter element; and the method comprises two steps, namely, pre-mixing and melt-blowing of the polypropylene water purifying filter element. By adopting the sliver-loaded polypropylene water purifying filter element and the manufacturing method method, the technical problems related to the uniformity in dispersing of the silver-loaded antibacterial agent in the polypropylene melt-blowing and the stability of the water purifying filter element in slow releasing of silver ions can be overcome.
Description
Technical field
The present invention relates to the water purification technology field, be specifically related to a kind of polypropylene water purification catridge and preparation method thereof.
Background technology
The polypropylene water purification catridge is first filter common in all kinds of water purifiers, and it is mainly used in the tiny solid granule foreign in the filtered water.Along with the development of growth in the living standard and technical merit, people in daily life, proposed more and more higher requirement for quality of water in the various work operations, sterilization, antibacterial be wherein important content.For this reason, common implementation is at first filter polypropylene water purification catridge rear portion, the second filter is installed is again carried the silver particles filter core.The silver or the silver ion that have safe sterilization, bacteria resistance function by containing trace in the water of second filter: silver or the silver ion of trace are harmless to human body, silver or concentration of silver ions to human-body safety in the WHO regulation water are 0.05mg/L, and when argentiferous or silver ion reach 0.01mg/L in the water, just can kill the escherichia coli in the water fully, and can keep not multiplying in 2 to 3 months the flora that makes new advances.
The deficiency that prior art exists is, the second filter carries the silver particles filter core and can produce aging after long-time the use, aging filter core the situation that trickle medium comes off can occur under filtered water stream shearing force and filtration pressure difference effect, thereby makes the new tiny solid granule foreign of introducing in the water.
Summary of the invention
The object of the present invention is to provide a kind of year silver-colored polypropylene water purification catridge, can either realize the tiny solid granule foreign filtering function of conventional polypropylene water purification catridge, can realize simultaneously carrying the bactericidal function of silver particles filter core, thereby reduce the cost that twice are filtered, improve filter efficiency, and can effectively solve the technical problem that impurity is introduced again in the Multi-channel filtering.
To achieve these goals, the technical scheme of the present invention's proposition is:
A kind of year silver-colored polypropylene water purification catridge is characterized in that: comprise core body, described core body is the polypropylene melt-blown core body, contains homodisperse carrying silver antimicrobials in the described polypropylene melt-blown core body.Carrying silver antimicrobials mainly contains silver zeolite, silver-colored glass, silver-colored phosphate, silver-colored silicon-base oxide etc.
As the further improved year silver-colored polypropylene water purification catridge of the present invention, it is characterized in that described carrying silver antimicrobials is silver-loaded zirconium phosphate, described silver-loaded zirconium phosphate particle diameter is 100～200 nanometers, silver content 3～5%, water-soluble＜0.01ppm, and described silver-loaded zirconium phosphate shared mass percent in the polypropylene melt-blown core body is 1%.Described silver content is mass percent, and the stripping concentration of described water-soluble finger silver ion in water is lower same.Silver-loaded zirconium phosphate Durability of antimicrobial effect, heat-resisting quantity, stability better are applicable to make water purification catridge, can slowly discharge silver ion in water, realize the function of health environment-friendly, lasting bactericidal.Silver-loaded zirconium phosphate dispersiveness, silver content and the stripping concentration thereof of described structure can be guaranteed bactericidal validity and the edible safety after its goods are processed.
Year silver-colored polypropylene water purification catridge proposed by the invention, its preparation method may further comprise the steps: (a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, with 23 parts of carrying silver antimicrobials, 77 parts of fibre resins, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch; (b) silver-colored polypropylene water purification catridge is carried in preparation: press ratio of quality and the number of copies, will carry 4 parts of silver-colored premixed master batches, and 96 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.Pass through two-step method; silver-colored premixed master batch is carried in first preparation; mix to melt and spray to make by year silver-colored premixed master batch and polypropylene agglomerate again and carry a silver-colored polypropylene water purification catridge; thereby dispersiveness and the combination stability of carrying silver antimicrobials have been improved; avoid occurring carrying silver antimicrobials and disperse the uneven too fast or excessively slow problem of release that causes, effectively improved practical security and the bactericidal validity of year silver-colored polypropylene water purification catridge.And the premixed ratio by silver-colored premixed master batch is carried in preferred reasonably preparation can guarantee to reduce mixed cost under the inhomogeneity prerequisite of mixing; Mixed proportion by silver-colored polypropylene water purification catridge is carried in preferred reasonably preparation can reduce cost of material under the prerequisite that guarantees bactericidal validity.
Preparation method as the further improved year silver-colored polypropylene water purification catridge of the present invention, it is characterized in that the carrying silver antimicrobials in the described step (a) is silver-loaded zirconium phosphate, described silver-loaded zirconium phosphate particle diameter is 50～200 nanometers, and silver content 3～5% is water-soluble＜0.01ppm.Above-mentioned silver-loaded zirconium phosphate can be commercial products C onval-Pag40(silver content 3.6% particularly).
Preparation method as the further improved year silver-colored polypropylene water purification catridge of the present invention is characterized in that the fibre resin in the described step (a) is polyethylene or polypropylene.Polyethylene or polypropylene can be stably as the premixed media at carrying silver antimicrobials, be conducive to carrying silver antimicrobials dispersion and, and polyethylene or polypropylene can carry out congruent melting with water purification catridge core material polypropylene well, mix, crystallization, year silver-colored polypropylene water purification catridge mechanical strength of making thus is good, be generally 3 months the service life of filter core, identical with conventional polypropylene water purification catridge.
As the preparation method of the further improved year silver-colored polypropylene water purification catridge of the present invention, it is characterized in that carrying in the described step (b) silver-colored premixed master batch and polypropylene agglomerate needs carry out drying with 60 ℃ of hot blasts before use.Its processing characteristics of master batch that drying is processed is better, avoids fluid property and meltblown fibers viscosity and the crystal property of moisture effects molten resin.In addition, the master batch manufactured goods performance that drying is processed is more stable, and storage life is more of a specified duration.
Provided by the invention year silver-colored polypropylene water purification catridge preparation method, the dispersing uniformity of carrying silver antimicrobials in fusion-jetting polypropylene, the technical problem that water purification catridge slowly discharges silver ion stability have been overcome, year silver-colored polypropylene water purification catridge of preparation can either be realized the tiny solid granule foreign filtering function of conventional polypropylene water purification catridge, can realize simultaneously carrying the bactericidal function of silver particles filter core, thereby reduce the cost that twice are filtered, improve filter efficiency, and can effectively solve the technical problem that impurity is introduced again in the Multi-channel filtering.
The specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment the present invention is done to describe in further detail, this embodiment only is used for explaining the present invention, does not consist of the restriction to protection domain of the present invention.
Specific embodiment 1:
The silver-colored polypropylene water purification catridge that carries that present embodiment provides is prepared according to the following steps:
(a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, and with 23 parts of Conval-Pag40 silver-loaded zirconium phosphates, 77 parts of polyethylene or polypropylene, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch;
(b) silver-colored polypropylene water purification catridge is carried in preparation: carry silver-colored premixed master batch and polypropylene agglomerate after 60 ℃ of hot blasts carry out drying, press ratio of quality and the number of copies, to carry 4 parts of silver-colored premixed master batches, 96 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
Specific embodiment 2:
The silver-colored polypropylene water purification catridge that carries that present embodiment provides is prepared according to the following steps:
(a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, and with 23 parts of Conval-Pag40 silver-loaded zirconium phosphates, 77 parts of polypropylene or polypropylene, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch;
(b) silver-colored polypropylene water purification catridge is carried in preparation: press ratio of quality and the number of copies, will carry 4 parts of silver-colored premixed master batches, and 96 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
Specific embodiment 3:
The silver-colored polypropylene water purification catridge that carries that present embodiment provides is prepared according to the following steps:
(a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, and with 26 parts of Conval-Pag40 silver-loaded zirconium phosphates, 74 parts of polyethylene or polypropylene, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch;
(b) silver-colored polypropylene water purification catridge is carried in preparation: carry silver-colored premixed master batch and polypropylene agglomerate after 60 ℃ of hot blasts carry out drying, press ratio of quality and the number of copies, to carry 3.6 parts of silver-colored premixed master batches, 96.4 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
Specific embodiment 4:
The silver-colored polypropylene water purification catridge that carries that present embodiment provides is prepared according to the following steps:
(a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, and with 20 parts of Conval-Pag40 silver-loaded zirconium phosphates, 80 parts of polyethylene or polypropylene, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch;
(b) silver-colored polypropylene water purification catridge is carried in preparation: carry silver-colored premixed master batch and polypropylene agglomerate after 60 ℃ of hot blasts carry out drying, press ratio of quality and the number of copies, to carry 4.6 parts of silver-colored premixed master batches, 95.4 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
Specific embodiment 5:
The silver-colored polypropylene water purification catridge that carries that present embodiment provides is prepared according to the following steps:
(a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, and with 23 parts of Conval-Pag40 silver-loaded zirconium phosphates, 77 parts of polyethylene or polypropylene, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch;
(b) silver-colored polypropylene water purification catridge is carried in preparation: carry silver-colored premixed master batch and polypropylene agglomerate after 60 ℃ of hot blasts carry out drying, press ratio of quality and the number of copies, to carry 3 parts of silver-colored premixed master batches, 97 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
Specific embodiment 6:
The silver-colored polypropylene water purification catridge that carries that present embodiment provides is prepared according to the following steps:
(a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, and with 23 parts of Conval-Pag40 silver-loaded zirconium phosphates, 77 parts of polyethylene or polypropylene, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch;
(b) silver-colored polypropylene water purification catridge is carried in preparation: carry silver-colored premixed master batch and polypropylene agglomerate after 60 ℃ of hot blasts carry out drying, press ratio of quality and the number of copies, to carry 5 parts of silver-colored premixed master batches, 95 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
Specific embodiment 7:
The silver-colored polypropylene water purification catridge that carries that present embodiment provides is prepared according to the following steps:
(a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, will carry 23 parts of silver-colored silicon-base oxides (silver content 3.6%), and 77 parts of polyethylene or polypropylene, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch;
(b) silver-colored polypropylene water purification catridge is carried in preparation: carry silver-colored premixed master batch and polypropylene agglomerate after 60 ℃ of hot blasts carry out drying, press ratio of quality and the number of copies, to carry 4 parts of silver-colored premixed master batches, 96 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
Specific embodiment 8:
The silver-colored polypropylene water purification catridge that carries that present embodiment provides is prepared according to the following steps:
Press ratio of quality and the number of copies, with 1 part of Conval-Pag40 silver-loaded zirconium phosphate, 99 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
Year silver-colored polypropylene water purification catridge specific performance test data that specific embodiment 1～8 provides is as shown in table 1:
Table 1
Table 1(is continuous)
Processing characteristics refers to that preparation carries polypropylene melt-blown fiber spray speed, diameter uniformity in the silver-colored polypropylene water purification catridge process, and polypropylene melt-blown fiber spray speed, diameter be good processability then relatively evenly, otherwise then poor.Bactericidal property, bacteriostasis property detect according to CNS GB15979-2002, and antibiotic holding effect index futures have bacteriostasis after using the described time continuously at least.
Know by test: before silver-colored polypropylene water purification catridge is carried in preparation, carry out 60 ℃ of heated-air dryings and can improve processing characteristics carrying silver-colored premixed master batch and polypropylene agglomerate; The too high meeting of the ratio of carrying silver antimicrobials causes the antiseptic dispersiveness not good in the premixed master batch, thereby it is unbalanced to cause silver ion to discharge, and the antibiotic lasting period is unstable; The ratio of carrying silver antimicrobials is crossed to hang down and can be caused silver ion release too fast in the premixed master batch, and the antibiotic lasting period is short; Carrying the mass percent that contains silver-loaded zirconium phosphate in the core body of silver-colored polypropylene water purification catridge minimum is 0.92% can realize sterilization, bacteriostasis; Silver-loaded zirconium phosphate is as carrying silver antimicrobials, and the application performance in the polypropylene water purification catridge is better than other carrying silver antimicrobials, for example carries silver-colored silicon-base oxide; There are the deficiencies such as poor processability, the antiseptic dispersiveness is not good, silver ion unbalanced, the antibiotic lasting period of release is unstable in the silver-colored polypropylene water purification catridge that carries of directly making without premixed.
Claims (6)
1. one kind carries silver-colored polypropylene water purification catridge, and it is characterized in that: comprise core body, described core body is the polypropylene melt-blown core body, contains homodisperse carrying silver antimicrobials in the described polypropylene melt-blown core body.
2. according to claim 1 year silver-colored polypropylene water purification catridge, it is characterized in that described carrying silver antimicrobials is silver-loaded zirconium phosphate, described silver-loaded zirconium phosphate particle diameter is 100～200 nanometers, silver content 3～5%, water-soluble＜0.01ppm, and described silver-loaded zirconium phosphate shared mass percent in the polypropylene melt-blown core body is 0.92%.
3. preparation method of carrying silver-colored polypropylene water purification catridge, it is characterized in that may further comprise the steps: (a) silver-colored premixed master batch is carried in preparation: press ratio of quality and the number of copies, with 23 parts of carrying silver antimicrobials, 77 parts of fibre resins, mixing is carried out consolute by temperature control and is made a year silver-colored premixed master batch; (b) silver-colored polypropylene water purification catridge is carried in preparation: press ratio of quality and the number of copies, will carry 4 parts of silver-colored premixed master batches, and 96 parts of polypropylene agglomerates, mixing melts and sprays to make by temperature control carries a silver-colored polypropylene water purification catridge.
4. the preparation method of according to claim 3 year silver-colored polypropylene water purification catridge, it is characterized in that the carrying silver antimicrobials in the described step (a) is silver-loaded zirconium phosphate, described silver-loaded zirconium phosphate particle diameter is 100～200 nanometers, and silver content 3～5% is water-soluble＜0.01ppm.
5. the preparation method of according to claim 3 year silver-colored polypropylene water purification catridge is characterized in that the fibre resin in the described step (a) is polyethylene or polypropylene.
6. the preparation method of according to claim 3 year silver-colored polypropylene water purification catridge, it is characterized in that carrying in the described step (b) silver-colored premixed master batch and polypropylene agglomerate needs carry out drying with 60 ℃ of hot blasts before use.
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| CN104759152A (en) * | 2015-03-18 | 2015-07-08 | 蚌埠首创滤清器有限公司 | Wear-resistant composite filter material prepared by blending melt-blown polypropylene with modified fly ash and used for sewage treatment and preparation method thereof |
| CN105462044A (en) * | 2016-01-12 | 2016-04-06 | 奥美凯聚合物（苏州）有限公司 | Masterbatch with antibacterial function and preparation method and application thereof |
| CN106178694A (en) * | 2016-09-13 | 2016-12-07 | 芜湖成德龙过滤设备有限公司 | PP melt-blown filter based on diatomite modified and preparation method thereof |
| CN106268042A (en) * | 2016-09-13 | 2017-01-04 | 芜湖成德龙过滤设备有限公司 | Based on bentonite modified PP melt-blown filter and preparation method thereof |
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| CN104759152A (en) * | 2015-03-18 | 2015-07-08 | 蚌埠首创滤清器有限公司 | Wear-resistant composite filter material prepared by blending melt-blown polypropylene with modified fly ash and used for sewage treatment and preparation method thereof |
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| CN111393754A (en) * | 2020-06-03 | 2020-07-10 | 江苏金发科技新材料有限公司 | Melt-blown polypropylene material and preparation method and application thereof |
| CN111393754B (en) * | 2020-06-03 | 2020-09-29 | 江苏金发科技新材料有限公司 | Melt-blown polypropylene material and preparation method and application thereof |
| CN113337903A (en) * | 2021-06-01 | 2021-09-03 | 鹤山市东海塑料色母有限公司 | Antiviral polypropylene non-woven fabric and preparation method thereof |
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Application publication date: 20130313 |