CN103937153A - Broad-spectrum efficient antibacterial amino molding material - Google Patents
Broad-spectrum efficient antibacterial amino molding material Download PDFInfo
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Abstract
The invention relates to a board-spectrum efficient antibacterial amino molding material. An alcohol/zinc/titanium nano-composite antibacterial agent of the board-spectrum efficient antibacterial amino molding material is composed of the following components in parts by weight: 20-30 parts of alcohol compound, 0-25 parts, excluding 0 part, of nano zinc compound, 0-35 parts, excluding 0 part, of nano titanium dioxide, 0.1-5 parts of hexamethylenetetramine and 40-50 parts of water. The antibacterial amino molding material is composed of the following components in parts by weight: 2000-4000 parts of urea, 4000-8000 parts of formaldehyde, 300-400 parts of melamine, 10-150 parts of nano-composite antibacterial agent, 50-150 parts of hexamethylenetetramine, 20-50 parts or 50-100 parts of ammonium sulfamate curing agent, 100-500 parts of filler, 1000-2500 parts of cellulose, 20-40 parts of lubricant and 1-100 parts of dispersant. The antibacterial ratio of a molded product of the amino molding material to escherichia coli, staphylococcus aureus, Klebsiella pneumonia, salmonella typhimurium and enterococcus faecalis is greater than 99.9%, and the value of the antibacterial activity of the molded product is greater than 4, and the molded product of the amino molding material is good in mechanical properties and moldability.
Description
Technical field
The present invention relates to the antibacterial amino film plastics of a kind of broad-spectrum high efficacy.Described wide spectrum mainly refers to that amino film plastics moulded products has the multiple mushrooms such as opposing intestinal bacteria, streptococcus aureus, Klebsiella pneumonia, Salmonella typhimurium, enterococcus faecalis and grows effect; Described high-efficiency antimicrobial mainly refers to that the antibiotic rate of amino film plastics moulded products is greater than 99.9%, anti-microbial activity value is greater than 4; Described amino film plastics is the thermoset mixture of urea, formaldehyde, trimeric cyanamide, composite nano germicide and auxiliary agent composition, mainly as the formed material of the goods such as senior sanitary ware, tableware, electric switch, electric appliance casing, socket, isolating switch and lighting fixtures.
Technical background
Amino film plastics cost of material is cheap, can be freely painted, surface hardness is high, bright and clean, there is the heat-resisting of excellence, fire-retardant and resistance to arc characteristic, one-step method production process environmental protection, therefore be widely used, 50%～60% amino film plastics is for senior sanitary ware, tableware, electric switch, electric appliance casing, socket, the formed material such as isolating switch and lighting fixtures, but along with the lifting of people's living standard and the increase of health perception, requirement to anti-biotic material and antimicrobial prod improves constantly, especially the object often contacting with human body or the antibacterial effect of daily necessities come into one's own more, therefore, antiseptic-germicide and the antibacterial amino film plastics technology thereof of a kind of applicable amino film plastics of research invention are significant.
Published antiseptic-germicide mainly contains inorganic antiseptic, organic antibacterial agent, natural antibacterial agent and polymer antibacterial agent, wherein, the principal item of inorganic antiseptic has silver zeolite, active carbon of silver, silver-colored silica gel, silver-colored granulated glass sphere, silver-colored hydroxyapatite based antimicrobials, phosphoric acid titanium salt, phosphate laminate, silver pottery etc., its advantage is good heat resistance, has a broad antifungal spectrum, effective antibacterial phase is long, toxicity is low, do not produce resistance, and its shortcoming is that silver-series antibacterial agent is easy to change, manufacture is difficult, operation complexity in plastics; The principal item of organic antibacterial agent has quaternary ammonium salt, phenolic ether class, phenol, biguanides, isothiazole class, pyroles, organo-metallic class, imidazoles, pyridines, thiazoles etc., its advantage is that sterilization speed is fast, part antiseptic-germicide is nontoxic, easy to process, colour stable is good, and its shortcoming is poor heat resistance, easily in solvent environment, separate out, easily produce resistance, degradation production is poisonous; The principal item of natural antibacterial agent has chitosan, Sorbic Acid, south of the River vinifera palm oil etc., and its advantage is that antimicrobial efficiency is high, safety non-toxic, and its shortcoming is processing difficulties, poor heat resistance; The principal item of polymer antibacterial agent has polystyrene hydantoin, polypyridine, polythiazole etc., and its advantage is that good heat resistance, long-acting, wide spectrum, safety non-toxic, colour stable are good, but still immature.Although the kind that this four large class antiseptic-germicide comprises is more, there is no so far document and be openly applicable to antiseptic-germicide of the amino film plastic production technology of a step liquid phase method and products thereof.
The present invention is directed to a step liquid phase method and produce the performance requriements of amino film plastics process characteristic and amino film plastics, research and develop a kind of composite nano germicide, this composite nano germicide meets a step liquid phase method and produces amino film plastics processing requirement, can be dispersed in well in amino film plastics system, can give amino film plastics high antibacterial effect, antibacterial bacterial classification is many, and Durability of antimicrobial effect can be good, and do not affect the performance such as forming process and mechanics that amino film plastics has had.
Above-mentioned explanation, the object the present invention relates to and the technical scheme that will solve are still rarely known by the people in amino film plastics field.
Summary of the invention
The object of the invention is to provide a kind of antibacterial amino film plastics, can greatly improve amino film plastics goods interior antibacterial effect and anti-multiple mushroom during one's term of military service by the goods of its acquisition.
Find surprisingly, the problems referred to above just can solve by a kind of antibacterial amino film plastics, and described moulding compound comprises composite nano germicide.
Composite nano germicide of the present invention and amino film plastics system compatibility are good, be applicable to amino film plastics wet method vacuum kneading technique, Stability Analysis of Structures in normal-temperature water solution, preparing the slurry stage, add this composite nano germicide solution and can keep stable pH value, can ensure effective control of kneading, evaporation, polymerization, and moulding mobility and the processing characteristics of amino film plastics.Research discovery, this composite nano germicide can not only improve the antibacterial effect of amino film plastics, and is improved the effect of amino film plastics mechanical strength.
Further research is found, be that composite nano germicide can meet above-mentioned requirements by the composite solution of alkylol cpd, nano level zn cpds, nano grade titanium compound, can be used as the antiseptic-germicide of amino film plastics, the appropriate composite nano germicide that adds can obviously improve amino film plastics antimicrobial efficiency and anti-microbial activity value, there is the multiple mushrooms such as opposing intestinal bacteria, streptococcus aureus, Klebsiella pneumonia, Salmonella typhimurium, enterococcus faecalis and grow effect, and do not affect amino film plastics production technique and performance.
Therefore, the present invention solves its technical problem by following technical proposals:
The invention provides the antibacterial amino film plastics of a kind of broad-spectrum high efficacy, it is characterized in that having invented a kind of alcohol/zinc/titanium composite nano germicide, this composite nano germicide is the mixture of alkylol cpd/Nano-Zinc compound/nano titanium oxide, its parts by weight are: 20 parts～30 parts of alkylol cpds, 0 part～25 parts of Nano-Zinc compounds do not comprise 0 part, 0 part～35 parts of nano titanium oxides do not comprise 0 part, six 0.1 part～5 parts of methyne four ammonia, 40 parts～50 parts, water, wherein, Nano-Zinc compound can be selected from but be not limited to Hong Yu Chemical Co., Ltd., Liaoning Dongda Powder Engineering Co., Ltd, the product of Beijing Deco Dao Jin Science and Technology Ltd., its median size 50nm, purity 99.9%, nano titanium oxide is selected from but is not limited to the product of Hong Yu Chemical Co., Ltd., Beijing Deco Dao Jin Science and Technology Ltd., its median size 40nm, and purity 99%, this alcohol/zinc/titanium composite nano germicide preparation process is as follows:
(1) water is added in reactor, add afterwards alkylol cpd, be heated to 30 DEG C～45 DEG C, add six methyne four ammonia to be modulated into PH to 8.5 ± 1, must cushion alkylol cpd coupling agent solution;
(2) keep 30 DEG C～45 DEG C of reactors, in buffering alkylol cpd solution, add nano zine oxide and nano titanium oxide, controlling temperature of charge is 35 DEG C～45 DEG C, stir after 20min～50min, be water-cooled to room temperature by reacting kettle jacketing, make composite nano germicide, i.e. alcohol/zinc/titanium composite nano germicide through infiltration, coupling.
Above-mentioned alkylol cpd is 1, one or more in 3-butyleneglycol, neopentyl glycol, glycerol, colourless sticky water-absorbent liquid, there is the effect of coupling inorganic particulate, under normal temperature, can dissolve each other with water, bacterium, fungi are had to good inhibition, are also infiltration and interior glidant during amino film plastics is produced.
Above-mentioned Nano-Zinc compound is one or more in zinc sulfate, Zinic stearas, zinc carbonate, zinc oxide, nanometer active zinc oxide, and this particle particle surface is long-pending large, good to streptococcus aureus and colibacillary bactericidal potency.
Above-mentioned nanometer titanium dioxide titanium compound is one or more in Rutile type Titanium Dioxide and the anatase thpe white powder of the processing of the fine and close sial coating process of high temperature, this particle surface is long-pending large, there is excellent optical property and physical stability, and fabulous anti-microbial effect.
Above-mentioned its parts by weight of antibacterial amino film plastics are: 2000 parts～4000 parts, urea, 4000 parts～8000 parts, formaldehyde, 300 parts～400 parts of trimeric cyanamides, 10 parts～150 parts of composite nano germicides, six 50 parts～150 parts of methyne four ammonia, 20 parts～50 parts, Ammonium sulfamate solidifying agent, 50 parts～100 parts, 100 parts～500 parts of fillers, 1000 parts～2500 parts of Mierocrystalline celluloses, 20 parts～40 parts of lubricants, 1 part～100 parts of dispersion agents, wherein, composite nano germicide is self-control, other composition material is all from commercially available, as: Mierocrystalline cellulose is selected from Canadian lion board softwood pulp, a kind of or its mixture in Czech's 998 softwood pulps, Ammonium sulfamate solidifying agent is one or more in Ammonium sulfamate, imino-diacetic calcium sulphonate, thionamic acid sodium, Guanidine Sulfamate 99, can buy from market, is for example and without limitation to the product of Changzhou Qiao Er Plastics Company, six methyne four ammonia can be buied from market, such as but not limited to the product of Tianjin chemical reagent company limited, Suzhou Chemical Co., Ltd. of WorldCom of China, lubricant can be selected from a kind of or its mixture in stearic acid, calcium stearate, Zinic stearas, stearic acid complex ester class, stearic amide, amine hydroxybenzene and erucicamide, can buy from market, such as but not limited to the product of buying Jiangsu Hai'an Petrochemical Plant, optional a kind of or its mixture in polypropylene glycol-600 (PPG), alkylphenol polyvinyl ether (OP-10), butyl stearate (DL-100), stearic amide (STEAR AMIDE) of dispersion agent, can buy from market, such as but not limited to the product of buying Hai'an, Jiangsu general petrochemical works, Hai'an, Jiangsu general petrochemical works, Shanghai Hua Yi auxiliary chemicals company limited, urea is buied from market, such as but not limited to the product of buying Jiangsu Ling Gu Chemical Co., Ltd., formaldehyde is buied from market, such as but not limited to the product of buying formaldehyde factory of Changzhou Joel Plastic Co., Ltd., Jiangsu Li Qiang Chemical Co., Ltd., trimeric cyanamide is buied from market, such as but not limited to the product of buying Zhong Yuan DaHua Group Ltd. of Henan Province, the kind of filler is well-known to those skilled in the art and can be selected according to performance requriements by those skilled in the art, for example, optional but be not limited to it for inorganic powder, comprise a kind of or its mixture in wood powder, vitriol, silicate, titanate, grain size is 6000～8000 orders.The preparation process of this antibacterial amino film plastics is as follows:
(1) controlling temperature of reaction kettle is 15 DEG C～40 DEG C, and formaldehyde, urea, hexamethylenetetramine are added in reactor, and the rotating speed that stirring rake is set is 30rpm～80rpm, and fully stirring reaction 40min～80min, makes urea-formaldehyde resin slurries;
(2) keeping temperature in reactor is that the rotating speed of 15 DEG C～40 DEG C and stirring rake is 30rpm～80rpm, add composite nano germicide, Ammonium sulfamate solidifying agent, lubricant, trimeric cyanamide, filler, dispersion agent, fully stir 5min～50min, making urea-formaldehyde resin matrix composite is slurries;
(3) keeping temperature of reaction kettle is 15 DEG C～40 DEG C, add Mierocrystalline cellulose, after feeding intake, raising rotating speed of agitator is 200rpm～400rpm, mixes after 5min～20min, in the time of material temperature rise to 45 DEG C～55 DEG C, drive vacuum pump, control vacuum tightness is 0.080MPa～0.10MPa, and the water temperature in reacting kettle jacketing is risen to 80 DEG C～95 DEG C, mediates evaporation;
(4) controlling temperature is 45 DEG C～65 DEG C, and maintenance rotating speed of agitator is 250rpm～300rpm, mediates evaporation 100min～150min;
(5) reducing rotating speed of agitator is 80rpm～100rpm, and controlling temperature of charge is 70 DEG C～85 DEG C, polycondensation 40min～100min;
(6) reduce rotating speed of agitator to 40rpm～80rpm, continue after polymerization 40min～60min, go vacuum, the logical water quench material in reactor passageway to room temperature, shatter and make antibacterial amino film plastics.
The invention has the advantages that:
One, alcohol/zinc of the present invention/titanium composite nano germicide are applicable to the amino film plastic production technology of a step liquid phase method, are technology rarely known by the people in existing amino film plastics technology.
Two, alcohol/zinc of the present invention/titanium composite nano germicide can keep pH value in 8.0～9.0 scopes, good with amino film plastics compatibility, chemical stability is good, is the stablizer of amino film plastics, does not affect again mobility and the processing characteristics of amino film plastics.
Three, the starting material wide material sources of alcohol/zinc of the present invention/titanium composite nano germicide, with low cost, add-on is little.
Four, but antibacterial amino film plastics goods of the present invention have the lasting bacterium ability of killing, and the multiple mushrooms such as intestinal bacteria, streptococcus aureus, Klebsiella pneumonia, Salmonella typhimurium, enterococcus faecalis are grown and all have good inhibitory or killing effect.
Antibacterial aminoresin moulding compound of the present invention is mainly as the formed material of the goods such as senior sanitary ware, tableware, electric switch, electric appliance casing, socket, isolating switch and lighting fixtures, in dry wet environment, can goods there is good antibacterial effect in in-service.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but the invention is not restricted to specific embodiment, every equivalence of making according to the present invention changes or amendment, all should think and fall into protection scope of the present invention.
The performance characterization method of amino film plastics of the present invention: antibacterial test standard is " measurement of ISO22196-2011 plastics and the antibacterial activity of other pore-free surface "; Shock strength testing standard is " mensuration---the part 1 of ISO179-1-2010 plastics pendulum-type impact characteristics: non-instrument shock test "; Flexural strength testing standard is " ISO178-2001 plastics---bending property is measured "; Shrinking percentage testing standard is " ISO2577-2007 plastics---thermoset moulding material---mensuration of shrinking percentage ", and cup current test is according to " the inspection of DIN53465-1963 standard plastic; The mensuration of thermoset moulding material making time ".
Following examples are alcohol/zinc of the present invention/titanium composite nano germicide Preparation Examples:
Embodiment A 1:
(1) 30 parts, water is added in reactor, add afterwards 20 parts of neopentyl glycol, be heated to 40 DEG C, add 0.6 part of six methyne four ammonia to be modulated into PH to 8.5 ± 0.1, must cushion neopentyl glycol coupling agent solution;
(2) keep 40 DEG C of reactors, in buffering neopentyl glycol solution, add 2 parts of active nano-ZnOs and 30 parts of nm-class rutile-type TiO 2s, controlling temperature of charge is 45 DEG C, stir 25min, be water-cooled to room temperature by reacting kettle jacketing, make complex antimicrobials, i.e. neopentyl glycol/Zinc oxide/titanium dioxide composite nano germicide through infiltration, coupling.
Embodiment A 2:
(1) 35 parts, water is added in reactor, add afterwards 25 parts of neopentyl glycol, be heated to 40 DEG C, add 0.7 part of six methyne four ammonia to be modulated into PH to 8.5 ± 0.1, must cushion neopentyl glycol coupling agent solution;
(2) keep 40 DEG C of reactors, in buffering neopentyl glycol solution, add 10 parts of active nano-ZnOs and 30 parts of nm-class rutile-type TiO 2s, controlling temperature of charge is 45 DEG C, stir 25min, be water-cooled to room temperature by reacting kettle jacketing, make complex antimicrobials, i.e. neopentyl glycol/Zinc oxide/titanium dioxide composite nano germicide through infiltration, coupling.
Embodiment A 3:
(1) 30 parts, water is added in reactor, add afterwards 25 parts of neopentyl glycol, be heated to 40 DEG C, add 0.5 part of six methyne four ammonia to be modulated into PH to 8.5 ± 0.1, must cushion neopentyl glycol coupling agent solution;
(2) keep 40 DEG C of reactors, in buffering neopentyl glycol solution, add 10 parts of zinc sulfate and 30 parts of nm-class rutile-type TiO 2s, controlling temperature of charge is 45 DEG C, stir 25min, be water-cooled to room temperature by reacting kettle jacketing, make complex antimicrobials, i.e. neopentyl glycol/zinc sulfate/nano titania complex antimicrobials through infiltration, coupling.
Embodiment A 4:
(1) 45 parts, water is added in reactor, add afterwards 25 parts of neopentyl glycol, be heated to 40 DEG C, add 1 part of six methyne four ammonia to be modulated into PH to 8.5 ± 0.1, must cushion neopentyl glycol coupling agent solution;
(2) keep 40 DEG C of reactors to exist, in buffering neopentyl glycol solution, add 2 parts of zinc carbonates and 30 parts of nm-class rutile-type TiO 2s, controlling temperature of charge is 40 DEG C, stir 25min, be water-cooled to room temperature by reacting kettle jacketing, make complex antimicrobials, i.e. neopentyl glycol/zinc carbonate/nano titania complex antimicrobials through infiltration, coupling.
Embodiment A 5:
(1) 45 parts, water is added in reactor, add afterwards 25 parts of neopentyl glycol, be heated to 40 DEG C, add 1 part of six methyne four ammonia to be modulated into PH to 8.5 ± 0.1, must cushion neopentyl glycol coupling agent solution;
(2) keep 40 DEG C of reactors to exist, in buffering neopentyl glycol solution, add 20 parts of Zinic stearass and 30 parts of nm-class rutile-type TiO 2s, controlling temperature of charge is 45 DEG C, stir 20min, be water-cooled to room temperature by reacting kettle jacketing, make complex antimicrobials, i.e. neopentyl glycol/zinc carbonate/nano titania complex antimicrobials through infiltration, coupling.
The present invention's obtained alcohol/titanium/zinc composite nano germicide stable in properties, antibacterial effect is strong, adds on a small quantity to the antibacterial and sterilizing ability that can improve amino film plastics goods in aminoresin, keeps goods automatically cleaning.
Adopt the amino film plastics embodiment of alcohol/titanium/zinc composite nano germicide as follows:
Comparative example B0:
This comparative example is not add the preparation of the amino film plastics of alcohol/titanium/zinc composite nano germicide:
(1) controlling temperature of reaction kettle is 30 DEG C ± 1.0 DEG C, and 150 parts, 5000 parts, formaldehyde, 2500 parts, urea, hexamethylenetetramine is added in reactor, and it is 60rpm that rotating speed of agitator is set, and fully stirring reaction 60min, makes urea-formaldehyde resin slurries;
(2) keep aforesaid reaction vessel temperature and rotating speed of agitator, add 40 parts, Ammonium sulfamate solidifying agent, 100 parts of lubricants, 250 parts of trimeric cyanamides, 300 parts of fillers, 100 parts of dispersion agents, fully stir 10min, making urea-formaldehyde resin matrix composite is slurries;
(3) add 1700 parts of Mierocrystalline celluloses, controlling temperature of reaction kettle is 35 DEG C, and raising rotating speed of agitator is 270rpm, mix after 10min, in the time of material temperature rise to 48 DEG C ± 2 DEG C, open vacuum pump, control vacuum tightness is 0.092MPa, and the water temperature in reacting kettle jacketing is risen to 90 DEG C, mediates evaporation;
(4) controlling temperature is 65 DEG C, and maintenance rotating speed of agitator is 270rpm, mediates evaporation 120min;
(5) reduce rotating speed of agitator to 90rpm, by the temperature arrising caused by friction to 76 DEG C of reactor and storeroom, polycondensation 60min;
(6) reduce rotating speed of agitator to 60rpm, continue after polymerization 40min, go vacuum, the logical water quench material in reactor passageway to room temperature, shatter and make antibacterial amino film plastics.
Following embodiment is the preparation example of adding the amino film plastics of alcohol/titanium/zinc composite nano germicide:
Embodiment B 1:
(1) controlling temperature of reaction kettle is 30 DEG C ± 1.0 DEG C, and 150 parts, 5000 parts, formaldehyde, 2500 parts, urea, hexamethylenetetramine is added in reactor, and it is 60rpm that rotating speed of agitator is set, and fully stirring reaction 60min, makes urea-formaldehyde resin slurries;
(2) keep aforesaid reaction vessel temperature and rotating speed of agitator, 40 parts of neopentyl glycol/Zinc oxide/titanium dioxide composite nano germicides, 40 parts, Ammonium sulfamate solidifying agent, 100 parts of lubricants, 250 parts of trimeric cyanamides, 300 parts of fillers, 100 parts of dispersion agents described in interpolation embodiment A 1, fully stir 10min, making urea-formaldehyde resin matrix composite is slurries;
(3) add 1700 parts of Mierocrystalline celluloses, controlling temperature of reaction kettle is 35 DEG C, and raising rotating speed of agitator is 270rpm, mix after 10min, in the time of material temperature rise to 48 DEG C ± 2 DEG C, open vacuum pump, control vacuum tightness is 0.092MPa, and the water temperature in reacting kettle jacketing is risen to 90 DEG C, mediates evaporation;
(4) controlling temperature is 65 DEG C, and maintenance rotating speed of agitator is 270rpm, mediates evaporation 120min;
(5) reduce rotating speed of agitator to 90rpm, by the temperature arrising caused by friction to 76 DEG C of reactor and storeroom, polycondensation 60min;
(6) reduce rotating speed of agitator to 60rpm, continue after polymerization 40min, go vacuum, the logical water quench material in reactor passageway to room temperature, shatter and make antibacterial amino film plastics.
Embodiment B 2:
45 parts of neopentyl glycol/Zinc oxide/titanium dioxide composite nano germicides described in complex antimicrobials employing embodiment A 2, other component and processing step are identical with embodiment 1.
Embodiment B 3:
40 parts of neopentyl glycol/zinc sulfate/nano titania complex antimicrobials described in complex antimicrobials employing embodiment A 3, other component and processing step are identical with embodiment 1.
Embodiment B 4:
40 parts of neopentyl glycol/zinc carbonate/nano titania complex antimicrobials described in complex antimicrobials employing embodiment A 4, other component and processing step are identical with embodiment 1.
Embodiment B 5:
40 parts of neopentyl glycol/zinc carbonate/nano titania complex antimicrobials described in complex antimicrobials employing embodiment A 5, other component and processing step are identical with embodiment 1.
Referring to be used in table 1 by above-mentioned comparative example B0 and example B1 to the properties of the antibacterial amino film plastics of example B5 gained represents.
The contrast of table 1 analyzing and testing result
Table 1 shows, the antibacterial effect of the antibacterial amino molding the invention provides reaches 99.9%, and anti-microbial activity value is greater than 4, and molding shrinkage is low, and anti-notched Izod impact strength is high.
Claims (2)
1. the antibacterial amino film plastics of broad-spectrum high efficacy, it is characterized in that having used alcohol/zinc/titanium composite nano germicide, the parts by weight of this alcohol/zinc/titanium composite nano germicide are: its parts by weight are: 20 parts～30 parts of alkylol cpds, 0 part～25 parts of Nano-Zinc compounds do not comprise 0 part, 0 part～35 parts of nano titanium oxides do not comprise 0 part, six 0.1 part～5 parts of methyne four ammonia, 40 parts～50 parts, water, wherein, alkylol cpd is 1, 3-butyleneglycol, neopentyl glycol, one or more in glycerol, Nano-Zinc compound is zinc sulfate, Zinic stearas, zinc carbonate, zinc oxide, one or more in nanometer active zinc oxide, nanometer titanium dioxide titanium compound is one or more in Rutile type Titanium Dioxide and the anatase thpe white powder of the processing of the fine and close sial coating process of high temperature, the preparation process of this antibacterial amino film plastics is as follows:
(1) water is added in reactor, add afterwards alkylol cpd, be heated to 30 DEG C～45 DEG C, add six methyne four ammonia to be modulated into PH to 8.5 ± 1, must cushion alkylol cpd coupling agent solution;
(2) keep 30 DEG C～45 DEG C of reactors, in buffering alkylol cpd solution, add nano zine oxide and nano titanium oxide, controlling temperature of charge is 35 DEG C～45 DEG C, stir after 20min～50min, be water-cooled to room temperature by reacting kettle jacketing, make composite nano germicide, i.e. alcohol/zinc/titanium composite nano germicide through infiltration, coupling.
2. the antibacterial amino film plastics of broad-spectrum high efficacy according to claim 1, its parts by weight are: 2000 parts～4000 parts, urea, 4000 parts～8000 parts, formaldehyde, 300 parts～400 parts of trimeric cyanamides, 10 parts～150 parts of composite nano germicides, six 50 parts～150 parts of methyne four ammonia, 20 parts～50 parts, Ammonium sulfamate solidifying agent, 50 parts～100 parts, 100 parts～500 parts of fillers, 1000 parts～2500 parts of Mierocrystalline celluloses, 20 parts～40 parts of lubricants, 1 part～100 parts of dispersion agents, wherein, composite nano germicide is self-control, Mierocrystalline cellulose is selected from Canadian lion board softwood pulp, a kind of or its mixture in Czech's 998 softwood pulps, Ammonium sulfamate solidifying agent is Ammonium sulfamate, imino-diacetic calcium sulphonate, thionamic acid sodium, one or more in Guanidine Sulfamate 99, lubricant is stearic acid, calcium stearate, Zinic stearas, stearic acid complex ester class, stearic amide, a kind of or its mixture in amine hydroxybenzene and erucicamide, dispersion agent is polypropylene glycol-600 (PPG), alkylphenol polyvinyl ether (OP-10), butyl stearate (DL-100), a kind of or its mixture in stearic amide (STEAR AMIDE), filler is wood powder, vitriol, silicate, a kind of or its mixture in titanate, the preparation process of this antibacterial amino film plastics is as follows:
(1) controlling temperature of reaction kettle is 15 DEG C～40 DEG C, and formaldehyde, urea, hexamethylenetetramine are added in reactor, and the rotating speed that stirring rake is set is 30rpm～80rpm, and fully stirring reaction 40min～80min, makes urea-formaldehyde resin slurries;
(2) keeping temperature in reactor is that the rotating speed of 15 DEG C～40 DEG C and stirring rake is 30rpm～80rpm, add composite nano germicide, Ammonium sulfamate solidifying agent, lubricant, trimeric cyanamide, filler, dispersion agent, fully stir 5min～50min, making urea-formaldehyde resin matrix composite is slurries;
(3) keeping temperature of reaction kettle is 15 DEG C～40 DEG C, add Mierocrystalline cellulose, after feeding intake, raising rotating speed of agitator is 200rpm～400rpm, mixes after 5min～20min, in the time of material temperature rise to 45 DEG C～55 DEG C, drive vacuum pump, control vacuum tightness is 0.080MPa～0.10MPa, and the water temperature in reacting kettle jacketing is risen to 80 DEG C～95 DEG C, mediates evaporation;
(4) controlling temperature is 45 DEG C～65 DEG C, and maintenance rotating speed of agitator is 250rpm～300rpm, mediates evaporation 100min～150min;
(5) reducing rotating speed of agitator is 80rpm～100rpm, and controlling temperature of charge is 70 DEG C～85 DEG C, polycondensation 40min～100min;
(6) reduce rotating speed of agitator to 40rpm～80rpm, continue after polymerization 40min～60min, go vacuum, the logical water quench material in reactor passageway to room temperature, shatter and make antibacterial amino film plastics.
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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 |
| CN106566190A (en) * | 2016-11-02 | 2017-04-19 | 常州乔尔塑料有限公司 | High-performance amino film composite material |
| CN107189341A (en) * | 2017-07-11 | 2017-09-22 | 合肥康之恒机械科技有限公司 | It is a kind of for flame-proof antibiotic plastics of dustbin and preparation method thereof |
| CN107510857A (en) * | 2017-08-18 | 2017-12-26 | 东莞星美新新材料科技有限公司 | Antibacterial deodorant |
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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 |
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| CN106566190B (en) * | 2016-11-02 | 2019-02-05 | 常州乔尔塑料有限公司 | A kind of high-performance amino molded composites |
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| CN110066459A (en) * | 2019-04-18 | 2019-07-30 | 青岛拜士特新材料有限公司 | A kind of antibacterial matrices and preparation method of sustained-release antibacterial |
| CN111892796A (en) * | 2020-06-28 | 2020-11-06 | 南京百美科技新材料有限公司 | Novel antibacterial amino molding plastic and preparation method thereof |
| CN114921054A (en) * | 2022-04-12 | 2022-08-19 | 安徽易科环保科技集团有限公司 | Formula and processing technology of wood powder for producing environment-friendly plant fiber tableware |
| CN114921054B (en) * | 2022-04-12 | 2023-11-07 | 安徽易科环保科技集团有限公司 | Formula and processing technology of wood flour for producing environment-friendly plant fiber tableware |
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