CN101239195A - Nano silver chitin membrane and manufacturing technology thereof - Google Patents
Nano silver chitin membrane and manufacturing technology thereof Download PDFInfo
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- CN101239195A CN101239195A CNA2007100065862A CN200710006586A CN101239195A CN 101239195 A CN101239195 A CN 101239195A CN A2007100065862 A CNA2007100065862 A CN A2007100065862A CN 200710006586 A CN200710006586 A CN 200710006586A CN 101239195 A CN101239195 A CN 101239195A
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- chitin
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Abstract
The present invention provides a nano-silver chitin film and its manufacturing technology, including: 0.05-1.0% nano-silver particle is added into water and is mixed dispersed within one hour; 0.5-5% organic acid is added and is mixed within 10-20 minutes; 2-40% resin is added by using acrylate as group, and 1-20% resin is added again by using vinyl acetate resin as group, then is mixed within 10-30 minutes; 1-10% chitin is added again and is mixed within 10-60 minutes; thereby, the coated surface of structure forms environmental protection film and can absorb formaldehyde and reduce volatility organic compounds in air and has effects of antibacterial, mildewproof, deodorization, improves home air quality.
Description
Technical field
The invention provides a kind of nano silver chitin membrane and manufacturing process thereof, it comprises nano silver particles, water, organic acid, resin, it is that base and vinyl acetate resin are formations such as base, chitin with the acrylate, adding mentioned component in regular turn also fully mixes, make it can reach antibiotic, mildew-resistant, deodorization, reduce effects such as the harmful organic solvent of airborne TVOC (total volatile organism) and absorption, formaldehyde.
Background technology
Generally at air quality deodorant product, the product of normal use is the aromatic that diffusion agent and surfactant constituted by spice and so-called solvent, it all contains a large amount of methanol, and alcohol in vivo the metabolism meeting generate formaldehyde and formic acid, on closed car, use within doors and can injure human central nervous, respiratory apparatus, even it is blind, lose memory and the generation respiratory tract disease, people are the furniture paint of normal contact, the hair caring cosmetics, agrochemical all is the organic solvent that contains carbon atom, just dissolving can't be water-soluble because it brings the conduct dilution, material as previously described, its at room temperature volatile gas that becomes, this volatile organic matter (VOC, Volatile Organic Compounds) because it has infiltration, characteristic such as liposoluble and volatilization, be easy to transdermal, absorbed by gastrointestinal or suck pulmonary, again, the normal furniture that contacts with people's door, kitchen cabinets etc. all can give out Organic substance formaldehyde, except being extensive use of for medical science, with certain water dilution becoming formalin, even when concentration is extremely low, still can stimulate nose, throat, damage, itself have reduction and polymerization property again, be usually used in making adhesive, and be used for all kinds of wood-based plates, paint, coating, wallpaper etc., the most fearful pollution is its release formaldehyde phase to be 3-15, the highest concentration of allowing of right Environmental Protection Administration is every cube of 0.1PPM, modern building is comparatively airtight usually, though air-conditioning is arranged, but the not good larynx that causes of air quality is done, skin is red itches, headache, cough, volatile organic matter refers at 20 ℃, under the 760mmHg standard state by World Health Organization's definition, its vapour pressure is more than 0.1mmHg, boiling point is in the relevant chemical substance below 260 ℃, and VOC----Volatile Organic Compound commonly used or represent with the total volatile organism of TVOC sometimes just is meant airborne polycyclic aromatic hydrocarbon, volatile organic matter and aldehyde compound, it is except causing the imbalance of people's health immune level, influence nervus centralis, digestive system etc. are gone back trace and are come across: paint, aqueous coating, binding agent, cosmetics, carpet, wallpaper, ornament, fuel, the medicated cigarette imperfect combustion, the kitchen is surplus or the like, and TVOC has chemism again, in the presence of strong sunshine and oxide, to carry out serial photochemical reaction and produce ozone and peroxynitric acid second thioesters, cause secondary pollution and stink (because of the lower cause of its stink threshold value), right because Indoor Environmental Quality is very big for the health influence, according to Ministry of Internal Affairs's Building Research Establishment architecture indoor environment health care aggregative indicator, the weights that account for air quality are the heaviest, and in the factor of influence of air quality, the relevant important document of building materials is more than half, building structure thing is in the process of producing, consider for attractive in appearance and performance, need add various chemical substances to reach application, sclerosis, gummed and antisepsis, so that after house decoration finishes, these chemical substances are along with time and variations in temperature, a large amount of loss influence Indoor Environmental Quality in air, indoor building materials is one of main cause of formaldehyde polluter, and the main advanced country in the world has all set up formaldehyde loss control standard and testing mechanism, again, at various article, door, handle, mouthpiece, computer buttons etc. are all adhering to hundreds billion of antibacterials in closed environment, touch unconsciously, suck antibacterial, so people are liable to illness, in addition, indoor kitchen cabinet, dampnesss such as article are big, and mycete is liked being grown in this environment and a large amount of breeding, mycete is disengaged scent molecule, produce stink in the air so just be easy to after mouldy produce make a nuisance of oneself and be dispersed in, have influence on quality at home, so in indoor employed various furnitures, cleaning agent, cosmetics, aromatic etc., or outdoor steam turbine car discharging waste gas, all deleterious abrim nowhere volatile organic matter when the oil gas of gas station does not have, and adhere to or swim in article or air, be mycete everywhere, antibacterial and disengage the scent molecule of stink has been caused the harmful effect of human body and indoor air quality.
Summary of the invention
In view of this, the inventor is in line with creation spirit, think to reach the TVOC that how to reduce in the room air, create the most suitable home environment, effectively, antibacterial and mouldproof and suppress mould abnormal flavour and produce healthy pure and fresh house nano silver chitin membrane air quality, brand-new and manufacturing process thereof, in conjunction with many years of experience, through test of many times, improved indoor article, air and environment caused now influence and disappearance, and then proposed the present invention human body.
The object of the present invention is to provide a kind of manufacturing process of nano silver chitin membrane, this technology comprises: 0.05～1.0% nano silver particles adds in the entry through 1 hour dispersed with stirring; Adding 0.5～5% organic acid again stirred 10-20 minute; The resin of adding 2～40%, it is base with the acrylate, adds 1～20% resin again, it is base with the vinyl acetate resin, stirs 10-30 minute; Add 1～10% chitin again, stirred 10-60 minute.
It more than is the percentage by weight of each composition, the water (preferred pure water) that adds surplus makes into the gross weight 100% of the whole compositions (comprising water) in the technology of manufacturing nano silver chitin membrane, make it form the environmental-protection film on coated article top layer or structure by above-mentioned steps, adsorbable formaldehyde also reduces total volatile organism and antibacterial and mouldproof deodorization in the air.
The present invention also aims to provide a kind of nano silver chitin membrane, it comprises nano silver particles, water, organic acid, be base with the acrylate and be resin, the chitin of base with the vinyl acetate resin, through mixing, make it contain 0.05～1.0% weight nano silver particles, 0.5～5% organic acid, 2～40% weight are the resin of base with the acrylate, and 1～20% vinyl acetate resin is the resin of base and the chitin of 1～10% weight, and the water of surplus is mended the finished product (goods) to 100%.
" resin, it is base with the acrylate, resin is base with the vinyl acetate resin " as herein described and " be with the acrylate base and be the resin of base with the vinyl acetate resin " is meant two kinds of resins that include acrylic acid and vinyl acetate; " resin, it is base with the acrylate " is to be that benchmark calculates this resin and content thereof with the acrylate, and " resin is a base with the vinyl acetate resin " is to be that benchmark calculates this resin and content thereof with the vinyl acetate resin.
Above-mentioned nano silver chitin membrane is sprayed the article to indoor any place, all can reduce in the air TVOC amount, eliminate cabinet, the decoration formaldehyde organic solvent fluid etc. that looses that overflows, and reach antibiotic, suppress abnormal flavour, high-quality effect is provided.
Description of drawings
Fig. 1: the block chart of manufacturing process of the present invention;
Fig. 2: the chemical equation of the sulfydryl of silver ion penetration cell of the present invention and pheron;
Fig. 3: the amino stepless action of chitin of the present invention is at the reaction equation of coating and formaldehyde molecule;
Fig. 4: formaldehyde removal effect figure of the present invention.
Adnexa one SGS survey report (report number UE/2006/C0011)
Adnexa two SGS survey reports (report number RF/2006/C0223)
Drawing reference numeral:
1--nano silver particles 2--water 3--organic acid
4--resin (is base with the acrylate) 5--resin (is base with the vinyl acetate resin)
6--chitin 7--finished product
The specific embodiment
Describe the present invention in detail below in conjunction with accompanying drawing, but do not limit practical range of the present invention.
As shown in Figure 1, flow process (square) figure for manufacturing process of the present invention comprises following manufacturing process:
A. nano silver particles 1 adds in the entry 2 with 0.05～1.0% ratio, and the dispersed with stirring through 1 hour makes into solution;
B. the H that adds hydro carbons is again replaced by the COOH atomic group and the percentage ratio of organic organic acid 3 (Carboxylic acid) with 0.5～5% that forms makes an addition to and aforementionedly mixes the solution of dispersed with stirring via nano silver particles 1 and water 2, stirs then 10-20 minute;
E. after adding the chitin 6 of chitosan (Chitosan) again, the ratio with 1～10% fully stirred 10-60 minute after adding;
F. can become nano silver chitin membrane finished product 7.
Nano silver chitin membrane provided by the present invention and manufacturing process thereof, the nano silver particles 1 that is wherein comprised, its atom comprises the electronics that the atomic nucleus be made up of neutron and proton and a group are looped around peripheral tracks, because of an electron is negatively charged lotus, and the electronics of each atom is identical with proton quantity, proton equates with electron charge again, and charging property is opposite, so mutually offset, the not charged institute of neutron thinks neutrality (electrostatic charge is zero), electronics is subjected to nuclear attraction, turns round around atomic nucleus at its orbit ring with the speed of being exceedingly fast; Press the electron configuration 1s of silver atoms
22s
22p
63s
23p
64s
23d
104p
64d
105s
1, having 47 electronics, the outermost electron number of tracks is 1, therefore the energy in room temperature can make it break away from parent, forms free electron, thereby loses electronics, be i.e. Ag
+Silver ion, with regard to a certain size silver particles, its composition is the polymer of numerous silver atoms, as a complete unit, this free electron does not leave object, just by an atom another atom of going around; And the present invention is prepared into nanometer with silver particles, and the size of its nano silver particles 1 is 3～5nm (10 only
-9M), so the redox of electronics makes it constantly with the mutual conversion of the kenel of silver atoms, silver ion, and nano silver particles 1 presents positively charged; Because the present invention forms nano silver particles 1 with silver by the nanometer preparation, make the activity of silver particles become big, and general antibacterial belong to prokaryotic cell, wherein dna molecular is a ring-type, no free-end, and its metabolism is to act on carrying out under the catalysis of enzyme, and be subjected to the control and the adjusting of enzyme.
As shown in Figure 2, being silver ion permeates cell membranes of the present invention and enzyme, proteic sulfydryl chemical equation, so nano silver particles of the present invention 1 can effectively antibiotic (sterilization), is by the silver ion Ag that has positive charge
+, based on electronics absorption and have negative charge with cell membrane, institute produce adsorb often be abutted against touch antibacterial (bacterias) after, silver ion (Ag
+) can attract the sulfydryl on the pheron in the antibacterial, the ferment that contains sulfydryl is lost activity, make antibacterial death, this reaction causes protein coagulating, and the activity of antibacterial synzyme is destroyed, and disturbs the synthetic of DNA of bacteria, make antibacterial forfeiture division growth ability and death, silver ion Ag simultaneously
+Breathing and the substance delivery system of antibacterial have been destroyed with combination of proteins, because silver ion Ag
+Have higher oxidation-reduction potential (+0.798ev, 25 ℃), so after antibacterial is killed, can disengage free again from thalline, and continue to other organic Production by Bacteria alive biochemical reaction and go out once again except that antibacterial, multiple action produces sterilization, antimicrobial effect, is eliminated until all antibacterials.
Again, the chitin 6 that the present invention comprised, be with natural Eriocheir sinensis foot, Crusta Penaeus seu Panulirus is raw material or other insecticide shell bone meal, remove deproteinize, fat and calcium carbonate etc. become chitin (Chitin), again with chitin (Chitin) deacetylated (its deacetylation is more than 98%), and become polymer acid dissolubility (chitosan (Chitosan)) chitin 6, be macromolecule long-chain polysaccharide, it is so-called chitin, as Fig. 3, shown in Figure 4, it is reagentia formula and the formaldehyde removal effect figure of the amino stepless action of chitin of the present invention at coating and formaldehyde molecule, the present invention can be adsorbed the chemical gas that in the decomposition chamber human body is had harm in the short time, as: the hydrogen sulfide that ammonia that the acetaldehyde that the formaldehyde that finishing material distributes, smoking distribute, lavatory distribute and food spoilage are distributed etc.; As Fig. 3, lose the product that a part water gets the two keys of carbon-nitrogen after the amino effect of formaldehyde molecule and chitin, this type of crystalline solid condensation substance all has certain fusing point, the derivative molecular amount is bigger, fusing point is higher, chitin MW=30 ten thousand, so it is very stable that it forms derivant, there is not the secondary pollution problem to take place, formaldehyde removal effect figure as Fig. 4 learns, produce moment with its removal 71.5% in the formaldehyde harmful gas, removed 78.6% in 15 minutes, clearance was more up to 93% in 60 minutes, thereafter effect continues to keep and strengthen, the present invention utilizes the amino reagentia of chitin 6, destroy gas molecule structures such as harmful formaldehyde and VOC, and transform into minor amount of water molecule and chitin derivativ, purify the air of a room, meet the environment protection health requirement fully, the amino effect of chitin is to double key carbon hydrogen compound (aldehydes simultaneously, ketone) very strong adsorption effect is arranged, and the absorption affinity of its chelating effect, all be broken down into innocuous substance for harmful gas, Environmental Protection Administration effectively promoted indoor air quality control work, had proposed the administrative law draft on June 21st, 95, and the public place of specifying and announce certain scale should be met the indoor air quality standard.
As for nano silver chitin membrane provided by the present invention and manufacturing process thereof, wherein nano silver chitin membrane comprises nano silver particles 1, water 2, organic acid 3, with the acrylate is the resin 4 of base, with the vinyl acetate resin is the resin 5 and the chitin 6 of base, through mixing into finished product 7, the nano silver particles 1 that wherein contains 0.005%～1.0% weight in the finished product 7, add entry 2, the organic acid 3 that adds then is 0.5～5% part by weight, as for what add is that 4 basic of resins are 2～40% part by weight with the acrylate, what add is that basic resin 5 is 1～20% part by weight with the vinyl acetate resin, and the chitin 6 of Jia Ruing is 1～10% part by weight at last; The finished product 7 of nano silver chitin membrane of the present invention, antibiotic, mildew-resistant and pollution-free characteristic by nano silver particles 1, again in conjunction with the chitin 6 poisonous formaldehyde of absorption and effective airborne TVOC amount (total volatile organism) that reduces, the most suitable home environment, the abnormal flavour that both can eliminate in the daily life to be produced, cabinet, the excessive formaldehyde organic solvent that sheds of decoration etc., and the nano silver particles of arranging in pairs or groups 1 more effective antibiotic, reduce and the mouldy abnormal flavour that produces of effective inhibition, build healthy pure and fresh and standard compliant indoor air quality.The present invention is through international endorsement, and with the breadboard formaldehyde survey report of SGS Taiwan Ltd. (Taiwan Test Technology Co., Ltd.) ultramicron industrial safety (as adnexa one) and the fungistatic effect survey report (as adnexa two) of tool public credibility.
In sum, when knowing that the present invention has practicality and progressive on the industry, and the present invention does not see any publication, the tool novelty.
The above only is a wherein preferred embodiment of the present invention, when not limiting the scope of the present invention with this; Promptly the equalization of doing according to claim of the present invention generally changes and modifies, and all should still belong to the scope that patent of the present invention contains.
Claims (7)
1. the manufacturing process of a nano silver chitin membrane, this technology comprises:
A.0.05～1.0% nano silver particles adds in the entry through 1 hour dispersed with stirring;
B. add 0.5～5% organic acid, stirred then 10-20 minute;
C. adding 2～40% resin, is base with the acrylate, stirs 10-30 minute;
D. adding 1～20% resin, is base with the vinyl acetate resin, stirs 10-30 minute;
E. add 1～10% chitin, stirred 10-60 minute;
More than be weight percentage, make it form the environmental-protection film by this on coated article top layer or structure, adsorbable formaldehyde also reduces total volatile organism and antibacterial and mouldproof deodorization in the air.
2. nano silver chitin membrane, it comprises nano silver particles, water, organic acid, be the resin of base with the acrylate, be the resin and the chitin of base with the vinyl acetate resin, through mixing resulting finished product.
3. nano silver chitin membrane as claimed in claim 2, wherein the weight of nano silver particles is 0.05～1.0%.
4. nano silver chitin membrane as claimed in claim 2, wherein organic acid is 0.5～5% percentage by weight.
5. nano silver chitin membrane as claimed in claim 2 wherein is the resin of base with the acrylate, and its percentage by weight is 2～40%.
6. nano silver chitin membrane as claimed in claim 2 wherein is the resin of base with the vinyl acetate resin, and its percentage by weight is 1～20%.
7. nano silver chitin membrane as claimed in claim 2, wherein the percentage by weight of chitin is 1～10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100065862A CN101239195A (en) | 2007-02-06 | 2007-02-06 | Nano silver chitin membrane and manufacturing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100065862A CN101239195A (en) | 2007-02-06 | 2007-02-06 | Nano silver chitin membrane and manufacturing technology thereof |
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| Publication Number | Publication Date |
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| CN101239195A true CN101239195A (en) | 2008-08-13 |
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|---|---|---|---|
| CNA2007100065862A Pending CN101239195A (en) | 2007-02-06 | 2007-02-06 | Nano silver chitin membrane and manufacturing technology thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059475A (en) * | 2013-01-24 | 2013-04-24 | 南亚塑胶工业（南通）有限公司 | PVC (polyvinyl chloride) product and method for preparing formaldehyde-eliminating adhesive tape and rubber by using same |
| CN103591836A (en) * | 2013-11-18 | 2014-02-19 | 山西大学 | Multifunctional children water gun fluid |
| CN113442240A (en) * | 2021-03-25 | 2021-09-28 | 浙江华丽家具有限公司 | Anti-stripping ecological plate and preparation method thereof |
-
2007
- 2007-02-06 CN CNA2007100065862A patent/CN101239195A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059475A (en) * | 2013-01-24 | 2013-04-24 | 南亚塑胶工业（南通）有限公司 | PVC (polyvinyl chloride) product and method for preparing formaldehyde-eliminating adhesive tape and rubber by using same |
| CN103591836A (en) * | 2013-11-18 | 2014-02-19 | 山西大学 | Multifunctional children water gun fluid |
| CN113442240A (en) * | 2021-03-25 | 2021-09-28 | 浙江华丽家具有限公司 | Anti-stripping ecological plate and preparation method thereof |
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| PB01 | Publication | ||
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Open date: 20080813 |