CN101565534A - Melamine material, preparation method and application thereof - Google Patents
Melamine material, preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to a melamine material, a preparation method and an application thereof. The melamine material is characterized in that components have following weight percentages: 2 percent to 5 percent of functional powder, 2 percent to 5 percent of inorganic antimicrobial and 90 percent to 96 percent of melamine resin; the functional powder consists of components with the following weight percentages: 7 percent to 35 percent of tourmaline, 12 percent to 35 percent of ferrite, 10 percent to 20 percent of kaoline clay, 5 percent to 20 percent of silicon oxide, 5 percent to 20 percent of alumina, 5 percent to 20 percent of calcium oxide, 2 percent to 5 percent of polyacrylic acid and 1 percent to 5 percent of rare earth; the average particle diameter of the functional powder is less than or equal to 1micron; the inorganic antimicrobial is nano silver-series antimicrobial powder or nano zinc oxide. The preparation method adopts the composition of the melamine material and the following processes of: 1. the preparation of functional powder; 2. the modification treatment of functional powder; and 3. the preparation of melamine material. The melamine material is mainly used for manufacturing antibacterial and healthcare melamine cookers, food and drink containers and water wares by adopting an injection molding method or a press molding method.
Description
Technical field
The present invention relates to the functional materials technology, be specially a kind of melamine material and its production and use with antimicrobial health care function.
Technical background
Along with the development of modern economy and improving constantly of people's living standard, people also in rapid raising, have had more strict requirement for the food and drink that is directly connected to human food prods's hygienic safety to the hygienic requirements of living environment and daily necessities.Experiencing SARS, " bird flu " and " foot and mouth disease " afterwards, the market requirement of domestic anti-biotic material and antimicrobial prod heats up rapidly, and the human consumer also begins understanding and accepted " antibiotic " product.After yet a large amount of plastic tubleware and drinking wares enters catering trade and common people family, a large amount of bacteriums that the plastic tubleware and drinking ware surface grows are threatening constantly that people's is healthy, people are except adopting regular scrubbing for this reason, also use various medicaments and means to carry out sterilization, as chlorinated lime, ozone, hydrogen peroxide, various organic bactericide, microwave, high pressure steam, ultraviolet ray etc.But the common drawback of these methods is: trouble inconvenience, timeliness short (because decomposition or volatilization are very fast ineffective), and both uneconomical, also inconvenient.Therefore, the plastic tubleware and drinking ware of permanent antibacterial is urgently wished to have in market.
Ordinary hot thermoplastic plastic surface hardness is low, easy damaged and pollution, and the weight sense is poor, is heated easily to cause distortion, is unfit to do the food and drink tool.The thermoset melamine plastics has many premium propertiess: can be painted arbitrarily, and be difficult for fading, variable color; Surface luster is good, but impressing pattern; The surface hardness height, acid-alkali-corrosive-resisting, not fragile and scuffing; It is convenient to clean, anti-boiling, but high-temperature sterilization; Thermal conductivity is low, good heat preservation performance.Therefore it is very popular at home and abroad that melamine material is suitable for making the imitative porcelain tableware of food and drink tool, particularly melamine, and development prospect is very wide.
The document of relevant antibiotic plastic food and drink tool has many reports, " antibacterial plastics for food or beverage containers " as Chinese patent (application number CN1298902A) announcement, harmless plastics or plant degradation powder have been adopted, add an amount of disinfection medicine or nano-antibacterial powder, through mixing, kneading, composite, all operation such as mix, antibiotic food and drink tool is processed in compacting or injection moulding again, compares with traditional tableware, and this antibiotic food and drink tool itself has germ resistance; Again for example, " antibiotic plastic " that Chinese patent (application number CN1454922A) is announced utilized titanium oxide to realize antibacterial.The most function singlenesses of the product of these technology, and antibacterial effect remains further to be improved.Again for example, in " glasses " that Chinese patent (application number CN1286914A) is announced, disclose, can realize the antibacterial of ocular lens material by adding inorganic antiseptic, tourmalinite, three kinds of materials of magnetite, simultaneously can eliminate or alleviate eyestrain again, have antibiotic and the health care dual-use function; Also for example, " anti-bacteria melamine material " that Chinese patent (application number CN1899046A) is announced, disclose the anti-biotic material composition: 0.1-10% silver is antibiotic powder, the 0-10% nano zine oxide, the 0-10% nano titanium oxide directly joins in the melamine raw material, mixing and stirring can realize the durable antibiotic germicidal action of melamine material.But this type of technology just joins the inorganic functional material composition in the organic materials simply and goes, and reckon without inorganic antibacterial material and combine situation with the organic materials interface, do not consider more whether various antiseptic-germicides have major issues such as synergy, and the antibacterial effect of material is still undesirable.
Summary of the invention
At the deficiencies in the prior art, the technical problem to be solved in the present invention is to design a kind of melamine material and its production and use.This melamine material has lastingly, high-efficiency antimicrobial effect and effective bioactivation nourishing function, and cost is low, and is easy to use, of many uses; This melamine material preparation method technology is simple, with low cost, and adaptability is good, and energy-conserving and environment-protective are convenient to industrialization promotion and are used; This melamine material is mainly used in makes kitchen tools, food and drink tool and the glassware for drinking water etc. with antimicrobial health care function.
The technical scheme that the present invention solves described melamine material technical problem is: design a kind of melamine material, the weight percent that it is characterized in that this melamine material consists of: function powder 2-5%, inorganic antiseptic 2-5% and melmac 90-96%, and each component sum is 100%; The weight percent of described function powder consists of: tourmalinite 7-35%, ferrite 12-35%, kaolin 10-20%, silicon oxide 5-20%, aluminum oxide 5-20%, calcium oxide 5-20%, polyacrylic acid 2-5% and rare earth 1-5%, each component sum is 100%, the median size of function powder≤1 micron; Described inorganic antiseptic is meant that nanometer silver is antimicrobial powder or nano zine oxide.
The technical scheme that the present invention solves described preparation method's technical problem is: design a kind of preparation method of melamine material, this preparation method adopts melamine material of the present invention to form and following technology:
1. the preparation of function powder: the water of each component of described function powder and function powder gross weight 30-45% is joined in the ball mill, wet ball grinding is to slip fineness 400 orders, and thorough mixing is even, discharging, oven dry, 600-800 ℃ of calcining down, the postcooling of coming out of the stove is to room temperature then, again through broken, ball milling and ultra-fine grinding process, make the function powder of median size≤1 micron;
2. the modification of function powder is handled: the function powder that inorganic antiseptic and the 1st is gone on foot gained is in (2-5): ratio (2-5) was at the dry 0.5-1 of high-speed mixer for dry hour, drying temperature is controlled at 100-110 ℃, the organic silicone oil that with consumption is described function powder weight 0.8-1.0% then joins in the high-speed mixer, after high speed violent stirring 15-30 minute, discharging;
3. the preparation of melamine material: function powder after the modification processing and described melmac are pressed (4-10): mixed (90-96) stirs, and promptly makes described melamine material.
The main application of melamine material of the present invention is to adopt injection molding forming method or briquetting process to make antibiotic health care melamine kitchen tools, food and drink tool and glassware for drinking water.
Compared with prior art, melamine material of the present invention utilizes the characteristic of rare earth uniqueness to activate magneticsubstance, collaborative tourmalinite effect, the far infrared rays and the magnetic ripple of the high emissivity of radiation simultaneously, the activated inorganic antiseptic material, have lasting, high-efficiency antimicrobial effect and effective bioactivation function, and the plural components material property is stable, life-time service still can keep good efficacy; Melamine material preparation method technology of the present invention is simple, has only adopted the function powder modification to handle and technology such as complex sintered, and it is low, pollution-free to have a cost, and save energy is suitable for characteristics such as industrial applications.Melamine material of the present invention is mainly used in makes food and drink tool series product, and product has antibiotic, the bacteria resistance function of persistent high efficiency, has the oral cavity of improvement even systemic microcirculation simultaneously, improves functions (referring to embodiment 1) such as immunizing power.
Description of drawings
Fig. 1 is the antimicrobial health care function mechanism of action synoptic diagram of melamine material of the present invention;
Fig. 2 (a) and (b) be respectively the antibiotic detection effect comparison photo figure of a kind of embodiment of melamine material of the present invention; Wherein, Fig. 2 (a) is common melamine material (blank sample) 24h viable count photo figure, and Fig. 2 (b) is melamine material of the present invention (contrast sample) 24h viable count photo figure;
Fig. 3 is a kind of embodiment (embodiment 1) of melamine material purposes of the present invention, i.e. kitchen tools (chopping board or panel) the photo figure that makes with melamine material of the present invention;
Fig. 4 is the another kind of embodiment (embodiment 2) of melamine material purposes of the present invention, i.e. tableware (chopsticks) the photo figure that makes with melamine material of the present invention;
Fig. 5 is another embodiment (embodiment 3) of melamine material purposes of the present invention, i.e. tableware (chopsticks cage) the photo figure that makes with melamine material of the present invention;
Fig. 6 is another embodiment (embodiment 4) of melamine material purposes of the present invention, i.e. the kitchen tools made from melamine material of the present invention (quantitatively oil can) photo figure.
Embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof:
The melamine material of the present invention's design is characterized in that the weight percent of this melamine material consists of: function powder 2-5%, inorganic antiseptic 2-5% and melmac 90-96%, and each component sum is 100%; The weight percent raw material of described function powder consists of: tourmalinite 7-35%, ferrite 12-35%, kaolin 10-20%, silicon oxide 5-20%, aluminum oxide 5-20%, calcium oxide 5-20%, polyacrylic acid 2-5% and rare earth 1-5%, each component sum is 100%, the median size of function powder≤1 micron; Described inorganic antiseptic is meant that nanometer silver is antimicrobial powder or nano zine oxide.Described inorganic antiseptic and melmac are commercial product, the convenient application.
Function powder of the present invention is the improvement technology of applicant's patent formerly, i.e. " a kind of function ceramics health-care material and preparation method thereof " (ZL200610014778.3) described function ceramics health-care material of number patent, and the technology after having carried out on the function ceramics health-care material basis of its claim 1 defined improving.The concrete improvement is that additive 2-5% Mierocrystalline cellulose in the described function ceramics health-care material and 2-5% Viscotrol C are removed, simplified material component, its functional component tourmalinite is increased to 7-35% by original 5-30%, ferrite increases to 12-35% by original 10-30%, further to strengthen function.In other words, the weight percent raw material of improved function ceramics health-care material consists of: tourmalinite 7-35%, ferrite 12-35%, kaolin 10-20%, silicon oxide 5-20%, aluminum oxide 5-20%, calcium oxide 5-20%, polyacrylic acid 2-5%, rare earth 1-5%, each component sum is 100%.Described tourmalinite is meant one or more in iron tourmaline, elbaite, the dravite; Described ferrite is meant a kind of in strontium oxygen iron, barium oxygen iron and the cobalt oxygen iron; Described kaolin is meant calcined kaolin; Described rare earth is meant one or more in lanthanum nitrate, neodymium nitrate, praseodymium nitrate, europium nitrate and the Erbium trinitrate.Function powder of the present invention is selected tourmalinite, rare earth and the magneticsubstance in this ceramic health-care material for use, the three can act synergistically, amino acid in water molecules and the protein molecule had active effect, can effectively activate in the food, fluid molecule such as water molecules in the microcirculation in human body, play nourishing functions such as improving microcirculation in human body, can produce the far infrared rays of high radiant rate at specific band, having magnetic energy and antibacterial concurrently is one, has excellent antibacterial, and cost is low, long service life, the antibiotic health care effect is more obvious.
The present invention has designed the preparation method (hereinafter to be referred as the preparation method) of described melamine material simultaneously, and this preparation method adopts melamine material of the present invention to form and following technology:
1. the preparation of function powder: the water of each component of described function powder and function powder gross weight 30-45% is joined in the ball mill, wet ball grinding is to slip fineness 400 orders, and after fully mixing evenly, discharging, oven dry, 600-800 ℃ of calcining down, the postcooling of coming out of the stove is to room temperature then, again through common process such as broken, ball milling and ultra-fine mills, make the function powder of median size≤1 micron.The described wet ball grinding technology of preparation method of the present invention itself is prior art.Preferred 0.1～1.0 micron of the median size of the described function powder of the embodiment of the invention, this mainly considers easier the giving full play to of anti-microbial property of the function powder of this particle size range, infrared emittance is higher, and can not influence other performance (as intensity etc.) of melamine material.
2. the modification of function powder is handled: the function powder that inorganic antiseptic and the 1st is gone on foot gained is in (2-5): ratio (2-5) was at the dry 0.5-1 of high-speed mixer for dry hour, drying temperature is controlled at 100-110 ℃, the organic silicone oil that with consumption is described function powder weight 0.8-1.0% then joins in the high-speed mixer, after high speed violent stirring 15-30 minute, discharging promptly.The main purpose of the processing technology for surface modification of design function powder is to reduce described function powder surface energy, is beneficial in next step preparation process the uniform mixing with organic melmac, guarantees the further performance of synergistic function.
3. the preparation of melamine material: function powder after the modification processing and described melmac are pressed (4-10): mixed (90-96) stirs, and promptly makes the melamine material with antimicrobial health care function of the present invention.Described function powder and organic melmac compound preparation technology are originally as existing processing method.
With respect to prior art, applicant's patent formerly particularly, preparation method of the present invention also is improved.Formerly the preparation method of patent is the water that adds prescription gross weight 15-22% behind the batch mixing, after batch mixing 18-36 hour, again through pugging, moulding, drying and kiln-firing promptly; In order to guarantee this finished material zero defect, it is very strict to need adding Mierocrystalline cellulose, castor-oil plant wet goods additive, especially calcining process partly to require simultaneously.Key of the present invention is the reasonable preparation of described each component concentration, and mix, fully realize function synergic, thereby need not to add additive fiber element and the Viscotrol C that is used to guarantee the formed product performance, and, help further improving antimicrobial health care function with the corresponding increase of functional component tourmalinite with ferritic content; Simultaneously, preparation method's of the present invention calcining process, calcining temperature is reduced to 600-800 ℃ by original 900-1100 ℃, is very beneficial for energy-saving and emission-reduction; Calcining back only need be cooled to room temperature, through fragmentation, ball milling, ultra-fine mill, promptly can be made into median size smaller or equal to 1 micron function powder, need not to consider product qualified rate, it is simple to have technology, and preparation easily, energy consumption is lower, and is with low cost, is suitable for many characteristics such as industrialization promotion application.
The working mechanism of melamine material of the present invention is (referring to Fig. 1), rare earth element itself in the described antimicrobial health care function stupalith has the characteristic of appraising at the current rate, by adding rare earth element and tourmalinite synergy, in the far-infrared radiation intensity that improves tourmalinite, its far-infrared radiation wavelength is moved towards the direction of useful activated water and protein molecule.Consider magneticsubstance on this basis after rare earth modified, the magnetic field of matrix material should be able to make water molecules generation deformation, produces " activation "; Described tourmalinite and magneticsubstance have mutual synergy (referring to patent formerly).Function powder after the present invention improves can produce the far infrared rays of high radiant rate at specific band, simultaneously can produce magnetic field, except that the antibacterial that can optimize the activated inorganic antiseptic material, water molecules in the more easily-activated organism, protein molecule, thereby has certain " activation " effect, can strengthen metabolism, the microcirculation improvement of organism to a certain extent, produce biological effect.
Melamine material of the present invention (referring to embodiment 1) is carried out anti-microbial property detect (referring to Fig. 2) in the laboratory.Detect according to up-to-date GB GB/T20944.1-2007, bacterial classification: intestinal bacteria.Through check, melamine material 24 hourly averages of the present invention are killed but rate reaches 99.4%.Test data is listed in table 1.By the detection data of Fig. 2 (a) and (b) contrast and table 1 as can be known, melamine material of the present invention has excellent antibacterial.
Table 1 melamine material antibacterial effect of the present invention detects table
The main application of melamine material of the present invention is to adopt injection molding forming method or briquetting process to make the utensils such as various antibiotic health care melamine kitchen tools, food and drink tool and glassware for drinking water of catering trade and family's use.The manufacturing of this utensil melamine material preparation method of the present invention that can directly continue once makes and finishes.Described injection molding forming method or briquetting process are originally as prior art.The made utensil of melamine material of the present invention except that possessing excellent antibacterial, also have radiation infrared, activated water molecule and protein molecule, in use, the health-care effect of microcirculation improvement.The made utensil shape of product structure of melamine material of the present invention is not subjected to the restriction of embodiment, and shape of product and size are decided by market, also fully can be according to client's needs design customization.
The present invention does not address part and is applicable to prior art.
Provide specific embodiments of the invention below, but claim of the present invention is not subjected to the restriction of specific embodiment.
Embodiment 1
1. melamine material composition (weight %, down together) is: function powder 5%, nanometer silver are antimicrobial powder 2%, melmac 93%; The raw material prescription of described function powder is iron tourmaline 15%, strontium oxygen iron 30%, calcined kaolin 10%, silicon oxide 10%, aluminum oxide 15%, calcium oxide 15%, neodymium nitrate 3% and polyacrylic acid 2%.
2. the preparation method of melamine material: the preparation of (1) function powder: form the selected raw material of proportioning by function powder of the present invention, join in the ball mill then, ratio in powder gross weight 30% adds water again, wet ball grinding is to slip fineness 400 orders, and fully discharging behind the mixing is dried, come out of the stove after the calcining down at 600 ℃ then, be cooled to room temperature,, make median size and be 0.1 micron function powder again through common process such as fragmentation, ball milling, ultra-fine mills; (2) modification of function powder is handled: the function powder of the antiseptic nano powder of described ratio and gained is dry in high-speed mixer for dry, drying temperature is controlled at 100 ℃, be 0.5 hour time of drying, the organic silicone oil that with consumption is described function powder weight 0.8% then directly joins in the high-speed mixer, high speed violent stirring 30 minutes gets final product discharging; (3) preparation of melamine material: function powder after modification handled and melmac stir by 7: 93 mixed, promptly make described melamine material with good antimicrobial health care function.
3. the application of melamine material: the melamine material that present embodiment is prepared is under 225 ℃, and adopting hydropress compression moulding is rectangle sheet material, and deisgn product is antibiotic chopping board (product appearance is referring to Fig. 3).
Embodiment 2
1. melamine material consists of: function powder 2%, nanometer silver are antimicrobial powder 2%, melmac 96%; The raw material prescription of described function powder is dravite 17%, barium oxygen iron 22%, calcined kaolin 10%, silicon oxide 15%, aluminum oxide 10%, calcium oxide 20%, europium nitrate 3%, polyacrylic acid 3%.
2. the preparation method of melamine material: the preparation of (1) function powder: form the selected raw material of proportioning by function powder of the present invention, join in the ball mill then, ratio in powder gross weight 45% adds water again, wet ball grinding is to slip fineness 400 orders, and fully discharging behind the mixing is dried, come out of the stove after the calcining down at 800 ℃ then, be cooled to room temperature,, make median size and be 1.0 microns function powder again through common process such as fragmentation, ball milling, ultra-fine mills; (2) modification of function powder is handled: the function powder of the antiseptic nano powder of described ratio and gained is dry in high-speed mixer for dry, drying temperature is controlled at 110 ℃, be 1 hour time of drying, the organic silicone oil that with consumption is described function powder weight 1.0% then directly joins in the high-speed mixer, high speed violent stirring 20 minutes gets final product discharging; (3) preparation of melamine material: function powder after modification handled and melmac stir by 4: 96 mixed, promptly make described melamine material with good antimicrobial health care function.
3. the application of melamine material, the melamine material that present embodiment is prepared are under 160 ℃, and adopting hydropress compression moulding is quantitative oil can (product appearance is referring to Fig. 4).
Embodiment 3
1. melamine material consists of: function powder 2%, nanometer silver are antimicrobial powder 5%, melmac 93%; The raw material prescription of described function powder is elbaite 15%, cobalt oxygen iron 32%, calcined kaolin 20%, silicon oxide 5%, aluminum oxide 5%, calcium oxide 14%, lanthanum nitrate 5%, polyacrylic acid 4%.
2. the preparation method of melamine material: the preparation of (1) function powder: form the selected raw material of proportioning by function powder of the present invention, join in the ball mill then, ratio in powder gross weight 40% adds water again, and wet ball grinding is to slip fineness 400 orders, and fully behind the mixing, discharging, oven dry is come out of the stove after the calcining down at 700 ℃ then, is cooled to room temperature, again through common process such as fragmentation, ball milling, ultra-fine mills, make median size and be 0.5 micron function powder; (2) modification of function powder is handled: the function powder of the antiseptic nano powder of described ratio and gained is dry in high-speed mixer for dry, drying temperature is controlled at 105 ℃, be 45 minutes time of drying, the organic silicone oil that with consumption is described function powder weight 1.0% then directly joins in the high-speed mixer, high speed violent stirring 15 minutes gets final product discharging; (3) preparation of melamine material: the function powder after the modification processing and organic melmac are pressed 7: 93 mixing and stirring, promptly make described melamine material with good antimicrobial health care function.
3. the application of melamine material, the melamine material that present embodiment is prepared are under 230 ℃, and adopting injection moulding machine-shaping is antibiotic chopstick cage (product appearance is referring to Fig. 5).
Embodiment 4
1. melamine material consists of: function powder 2%, nanometer silver are antimicrobial powder 3%, melmac 95%; The raw material prescription of described function powder is iron tourmaline/elbaite 33%, cobalt oxygen iron 15%, calcined kaolin 15%, silicon oxide 18%, aluminum oxide 10%, calcium oxide 5%, the praseodymium nitrate/neodymium nitrate 2% of arbitrary proportion, the polyacrylic acid 2% of arbitrary proportion.
2. the preparation method of melamine material: the preparation of (1) function powder: form the selected raw material of proportioning by function powder of the present invention, join in the ball mill then, ratio in powder gross weight 45% adds water again, wet ball grinding is to slip fineness 400 orders, and fully discharging behind the mixing is dried, come out of the stove after the calcining down at 650 ℃ then, be cooled to room temperature,, make median size and be 0.7 micron function powder again through common process such as fragmentation, ball milling, ultra-fine mills; (2) modification of function powder is handled: the function powder of the antiseptic nano powder of described ratio and gained is dry in high-speed mixer for dry, drying temperature is controlled at 110 ℃, be 50 minutes time of drying, the organic silicone oil that with consumption is described function powder weight 0.9% then directly joins in the high-speed mixer, high speed violent stirring 25 minutes gets final product discharging; (3) preparation of melamine material: function powder and organic melmac after the modification processing are stirred by 5: 95 mixed, promptly make described melamine material with good antimicrobial health care function.
3. the application of melamine material, the melamine material that present embodiment is prepared are under 220 ℃, and adopting injection moulding machine-shaping is quantitative oil can (product appearance is referring to Fig. 6).
Embodiment 5
1. melamine material consists of: function powder 3%, nano zine oxide 2%, melmac 95%; The raw material prescription of described function powder is iron tourmaline 25%, strontium oxygen iron 15%, calcined kaolin 15%, silicon oxide 15%, aluminum oxide 10%, calcium oxide 15%, neodymium nitrate 3%, polyacrylic acid 2%.
2. the preparation method of melamine material: the preparation of (1) function powder: form the selected raw material of proportioning by function powder of the present invention, join in the ball mill then, ratio in powder gross weight 40% adds water again, wet ball grinding is to slip fineness 400 orders, and fully discharging behind the mixing is dried, come out of the stove after the calcining down at 700 ℃ then, be cooled to room temperature,, make median size and be 0.3 micron function powder again through common process such as fragmentation, ball milling, ultra-fine mills; (2) modification of function powder is handled: the function powder of the antiseptic nano powder of described ratio and gained is dry in high-speed mixer for dry, drying temperature is controlled at 105 ℃, be 30 minutes time of drying, the organic silicone oil that with consumption is described function powder weight 1.0% then directly joins in the high-speed mixer, high speed violent stirring 20 minutes gets final product discharging; (3) preparation of melamine material: function powder and organic melmac after the modification processing are stirred by 5: 95 mixed, promptly make described melamine material with good antimicrobial health care function.
Embodiment 6
1. melamine material consists of: function powder 5%, nano zine oxide 5%, melmac 90%; The raw material prescription of described function powder is dravite 23%, barium oxygen iron 17%, calcined kaolin 15%, silicon oxide 10%, aluminum oxide 15%, calcium oxide 15%, neodymium nitrate 2%, polyacrylic acid 3%.
2. the preparation method of melamine material: the preparation of (1) function powder: form the selected raw material of proportioning by function powder of the present invention, join in the ball mill then, ratio in powder gross weight 42% adds water again, ball milling is to slip fineness 400 orders, and fully discharging behind the mixing is dried, come out of the stove after the calcining down at 720 ℃ then, be cooled to room temperature,, make median size and be 0.2 micron function powder again through common process such as fragmentation, ball milling, ultra-fine mills; (2) modification of function powder is handled: the function powder of the antiseptic nano powder of described ratio and gained is dry in high-speed mixer for dry, drying temperature is controlled at 108 ℃, be 1 hour time of drying, the organic silicone oil that with consumption is described function powder weight 0.8% then directly joins in the high-speed mixer, high speed violent stirring 28 minutes gets final product discharging; (3) preparation of melamine material: function powder and organic melmac after the modification processing are stirred by 10: 90 mixed, promptly make described melamine material with good antimicrobial health care function.
Claims (4)
1. melamine material is characterized in that the weight percent of this melamine material consists of: function powder 2-5%, inorganic antiseptic 2-5% and melmac 90-96%, and each component sum is 100%; The weight percent of described function powder consists of: tourmalinite 7-35%, ferrite 12-35%, kaolin 10-20%, silicon oxide 5-20%, aluminum oxide 5-20%, calcium oxide 5-20%, polyacrylic acid 2-5% and rare earth 1-5%, each component sum is 100%, the median size of function powder≤1 micron; Described inorganic antiseptic is meant that nanometer silver is antimicrobial powder or nano zine oxide.
2. melamine material according to claim 1 is characterized in that preferred 0.1～1.0 micron of the median size of described function powder.
3. the preparation method of the described melamine material of claim 1 is characterized in that this preparation method adopts following technology:
(1). the preparation of function powder: the water of each component of described function powder and function powder gross weight 30-45% is joined in the ball mill, wet ball grinding is to slip fineness 400 orders, and thorough mixing is even, discharging, oven dry, 600-800 ℃ of calcining down, the postcooling of coming out of the stove is to room temperature then, again through broken, ball milling and ultra-fine grinding process, make the function powder of median size≤1 micron;
(2). the modification of function powder is handled: the function powder that described inorganic antiseptic and the 1st is gone on foot gained is in (2-5): ratio (2-5) was at the dry 0.5-1 of high-speed mixer for dry hour, drying temperature is controlled at 100-110 ℃, the organic silicone oil that with consumption is described function powder weight 0.8-1.0% then joins in the high-speed mixer, after high speed violent stirring 15-30 minute, discharging;
(3). the preparation of melamine material: function powder after the modification processing and described melmac are pressed (4-10): mixed (90-96) stirs, and promptly makes described melamine material.
4. the purposes of the described melamine material of claim 1 adopts injection molding forming method or briquetting process to make antibiotic health care melamine kitchen tools, food and drink tool and glassware for drinking water.
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| CN104277415A (en) * | 2014-10-14 | 2015-01-14 | 常州乔尔塑料有限公司 | Long-acting antibacterial amino molding compound |
| CN105585771A (en) * | 2016-03-24 | 2016-05-18 | 福建师范大学 | Preparation method of sweet cherry fresh-keeping film master batch containing rare earth complex |
| CN106883553A (en) * | 2017-04-17 | 2017-06-23 | 成都交大晶宇科技有限公司 | Wear-resisting U.S. vessel of resistance to ware of antibacterial and preparation method thereof |
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2009
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| CN108084475A (en) * | 2017-12-20 | 2018-05-29 | 贺州宝兴新材料有限公司 | The production technology of melamine dishware |
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| CN108129408A (en) * | 2017-12-20 | 2018-06-08 | 贺州宝兴新材料有限公司 | melamine phosphate dry preparation process |
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| CN110320675A (en) * | 2018-03-28 | 2019-10-11 | 陶国文 | The production method of the spectacle frame of negative ion far-infrared wave can be discharged |
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| CN109929217A (en) * | 2019-02-22 | 2019-06-25 | 义乌倍肯新材料科技有限公司 | A kind of anti-bacteria melamine toilet lid and its manufacturing method |
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