CN104927491A - Antibacterial flame retardant coating and preparation method thereof - Google Patents
Antibacterial flame retardant coating and preparation method thereof Download PDFInfo
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Abstract
The invention relates to an antibacterial flame retardant coating. The antibacterial flame retardant coating comprises the following components in parts by weight: 6-10 parts of zinc pyrithione, 15-30 parts of chitosan biguanidine hydrochloride, 8-16 parts of methylphenyl silicone resins, 10-25 parts of nanometer silver powder, 8-10 parts of a phosphate flame retardant, 4-10 parts of dihexadecyl peroxodicarbonate, 12-20 parts of benzyl butyl phthalate, 0.5-1 part of superfine acrylate rubber powder, 0.1-0.5 part of dimethyl methylphosphate, 5-15 parts of aluminium silicate fibers, and 1-3 parts of zinc oxide. The antibacterial flame retardant coating disclosed by the invention is prepared under normal temperature and normal pressure, and extra equipment is not needed; the technology is simple, and the production cost is low. After the antibacterial flame retardant coating disclosed by the invention is used, the antibacterial performance of surfaces of materials can be effectively improved, and the materials have good flame retardance; the antibacterial flame retardant coating integrally has favorable antibacterial flame retardance, and can be used according to needs.
Description
Technical field
The present invention relates to technical field of coatings, be specifically related to a kind of antibacterial flame-retardant coating and preparation method thereof.
Background technology
Along with the fast development of economy, people's living standard improves greatly, and health perception constantly strengthens, especially in recent years
The outburst of various diseases and popular, the serious harm that the various transmissible diseases making people more and more pay attention to being caused by harmful levels of pathogens, disease cause human health.This series products industrialized does not have antibacterial at present.Along with the raising of people's living standard and the reinforcement of health consciousness, will inevitably to antimicrobial product.In addition, some coating have better effects to fire-retardant, convenient better fire-retardant, improve the security that coating uses.
Summary of the invention
The object of the present invention is to provide a kind of antibacterial flame-retardant coating, to realize coating antibiosis anti-flaming function, and provide this preparation method for coating.
To achieve these goals, technical scheme of the present invention is as follows.
A kind of antibacterial flame-retardant coating, be made up of following mass component material: Zinc Pyrithione 6 ~ 10 parts, chitosan biguanide hydrochloride 15 ~ 30 parts, methyl phenyl silicone resin 8 ~ 16 parts, nano-silver powder 10 ~ 25 parts, phosphate flame retardant 8 ~ 10 parts, peroxy dicarbonate double hexadecyl ester 4 ~ 10 parts, butyl benzyl phthalate 12 ~ 20 parts, microfine acrylic ester rubber powder 0.5 ~ 1 part, methyl-phosphoric acid dimethyl ester 0.1 ~ 0.5 part, aluminum silicate fiber 5 ~ 15 parts, 1 ~ 3 part, zinc oxide.
Further, above-mentioned antibacterial flame-retardant preparation method for coating comprises the steps:
(1) chitosan biguanide hydrochloride of above-mentioned mass fraction is added to the water, then the Zinc Pyrithione of above-mentioned mass fraction, methyl phenyl silicone resin, phosphate flame retardant, peroxy dicarbonate double hexadecyl ester, butyl benzyl phthalate, methyl-phosphoric acid dimethyl ester, aluminum silicate fiber, zinc oxide is added successively, high speed dispersion;
(2) nano-silver powder of above-mentioned mass fraction is added, high speed dispersion;
(3) add the microfine acrylic ester rubber powder of above-mentioned mass fraction, high-speed mixing evenly, filter, regulation system pH value, obtained solid content is 30 ~ 60% antibacterial flame-retardant coating.
Further, in above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 4000 ~ 4500r/min in step (1), jitter time is 25 ~ 50min.
Further, in above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 3000 ~ 4000r/min in step (2), jitter time is 15 ~ 35min.
Further, in above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 1500 ~ 2500r/min in step (3), jitter time is 10 ~ 20min.
In above-mentioned material used, there is following characteristic:
(1) Zinc Pyrithione: have stronger killing power to fungus and bacterium, effectively can kill the fungi producing dandruff, good effect is had to removal dandruff, widely adopt in shampoo industry, also be used as makeup preservatives in addition, finish, paper pulp, coating, sterilant, use also very extensive.
(2) chitosan biguanide hydrochloride: chitosan is a kind of natural antibacterial agent, can suppress the growth of various bacteria and fungi, has that toxicity is low, good biocompatibility and an advantage of no antigen, but its poorly water-soluble, can only be antibacterial in acid condition.Chitosan molecule chain there are a lot of amino, hydroxyl isoreactivity group, there is very high reactive behavior, can number of chemical modification be carried out, thus obtain unique physics, chemical property and physiological function.At present, the approach improving chitosan anti-bacteria activity mainly concentrates on aspects such as the derivative modifications of chitosan, comprises the carboxymethylation of chitosan, sulphating, quaternization etc.Chitosan guanidine salt derivative has bioactive guanidine compound, and its biological activity ratio's chitosan is higher, greatly reduces the toxicity of formamidinesulfinic acid simultaneously, can be applied to the fields such as medicine, weaving and agricultural as novel antibacterial sterilant, antibacterials etc.
(3) methyl phenyl silicone resin: silicone resin is a kind of heat cured plastics, one of performance that it is the most outstanding is excellent thermo-oxidative stability.250 DEG C of heating are after 24 hours, and silicone resin weightlessness is only 2 ~ 8%.Another outstanding performance of silicone resin is excellent electrical insulation capability, and it all can keep its good insulating property in wide temperature and range of frequency.
(4) nano-silver powder: nano-silver powder has very high surfactivity and catalytic performance, and is widely used in catalyzer and ultra-low temperature refrigerating device thinner.Meanwhile, due to the physics and chemistry character that it is special, have also been obtained in immunoassay, sensor design, molectronics etc. and apply widely.In addition, in chemical fibre, add the nanometer silver that people is a small amount of, some performance of chemical fibre product can be improved, and make it have very strong sterilizing ability.
(5) phosphate flame retardant: organic phosphorus flame retardant mostly has the advantages such as low cigarette, nontoxic, low halogen, Halogen, meets the developing direction of fire retardant, has good development prospect.The mechanism of action of phosphorus additive is that fire retardant can produce the more stable crosslinked shape solid matter of structure or carburization zone when being heated.The formation of carburization zone can stop the further pyrolysis of polymkeric substance on the one hand, the thermolysis of its inside can be stoped on the other hand to produce thing and enter gas phase participation combustion processes.
(6) peroxy dicarbonate double hexadecyl ester: the higher effective initiator being suspension polymerization of VC, also can be used as the initiator of the unsaturated olefins such as ethene, propylene, vinylbenzene, 2-tolyl vinyl.It is compared with BPPO with the EHP initiator be widely used in chloroethylene polymerization reaction, has superior thermostability, and significantly can shorten polymerization time.
(7) butyl benzyl phthalate: as polyvinyl chloride, vinyl chloride copolymer, celluosic resin, natural and elastomeric softening agent.Main as softening agent.Have very strong dissolving power, better with the mutual solubility of polyvinyl chloride (PVC) RESINS, VINYL ACETATE MONOMER (VAM), polystyrene, nitrocellulose, have good stain resistance, plasticizing rate is fast, and weighting agent capacity is large, and water-fast and oil resistant is extracted out.Primary plasticizer can be made use.Often coordinate with other softening agent, for plastic floor, finishing material, corrugated panel etc. containing a large amount of weighting agent.These product, for the manufacture of film, sheet material and tubing, can obtain the goods with the excellent transparency and smooth surface, and solvation is strong, as softening agent that is water-fast, heat-resisting, fast light, cold-resistant, oil resistant extractable.
(8) microfine acrylic ester rubber powder: acrylic elastomer take acrylate as the elastomerics that main monomer obtains through copolymerization, and its main chain is saturated carbon chains, and side base is polar ester groups.Because its many excellence given by special construction, as heat-resisting, ageing-resistant, oil resistant, resistance to ozone, uvioresistant etc., mechanical property and processing characteristics are better than viton and silicon rubber, and it is heat-resisting, ageing resistance and oil-proofness are better than paracril.
(9) methyl-phosphoric acid dimethyl ester: organic phosphine fire retardant, the additive flame retardant of epoxy resin class, in the macromolecular materials such as urethane foam, unsaturated polyester resin, epoxy resin.
(10) aluminum silicate fiber: aluminum silicate fiber a kind ofly has low heat conductivity, excellent thermostability and chemical stability, not containing binding agent and corrosive material.
(11) zinc oxide: zinc oxide is a kind of oxide compound of zinc.Be insoluble in water, dissolve in acid and highly basic.Zinc oxide is a kind of conventional chemical additive, is widely used in the making of the products such as plastics, silicate product, synthetic rubber, lubricating oil, paint, ointment, tackiness agent, food, battery, fire retardant.The band gap of zinc oxide and exciton bind energy are comparatively large, and transparency is high, have excellent normal temperature luminescent properties, in the product such as liquid-crystal display, thin film transistor, photodiode of semiconductor applications, all have application.In addition, the zinc oxide of microparticle also starts to play a role in association area as a kind of nano material.
This beneficial effect of the invention is: antibacterial flame-retardant dope preparing process of the present invention carries out at normal temperatures and pressures, does not need to add new equipment, and technique is simple, and production cost is low.Antibacterial flame-retardant coating of the present invention can not only effectively improve material surface anti-microbial property, and have good flame retardant properties, comprehensively have good antibacterial flame-retardant effect, can use as required after using.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described, better to understand the present invention.
embodiment 1
Antibacterial flame-retardant coating in the present embodiment, be made up of following mass component material: Zinc Pyrithione 6 parts, chitosan biguanide hydrochloride 15 parts, methyl phenyl silicone resin 8 parts, nano-silver powder 10 parts, phosphate flame retardant 8 parts, peroxy dicarbonate double hexadecyl ester 4 parts, butyl benzyl phthalate 12 parts, microfine acrylic ester rubber powder 0.5 part, methyl-phosphoric acid dimethyl ester 0.1 part, aluminum silicate fiber 5 parts, 1 part, zinc oxide.
Above-mentioned antibacterial flame-retardant preparation method for coating comprises the steps:
(1) chitosan biguanide hydrochloride of above-mentioned mass fraction is added to the water, then the Zinc Pyrithione of above-mentioned mass fraction, methyl phenyl silicone resin, phosphate flame retardant, peroxy dicarbonate double hexadecyl ester, butyl benzyl phthalate, methyl-phosphoric acid dimethyl ester, aluminum silicate fiber, zinc oxide is added successively, high speed dispersion;
(2) nano-silver powder of above-mentioned mass fraction is added, high speed dispersion;
(3) add the microfine acrylic ester rubber powder of above-mentioned mass fraction, high-speed mixing evenly, filter, regulation system pH value, obtained solid content is 30% antibacterial flame-retardant coating.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 4000r/min in step (1), jitter time is 50min.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 3000r/min in step (2), jitter time is 35min.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 1500r/min in step (3), jitter time is 20min.
embodiment 2
Antibacterial flame-retardant coating in the present embodiment, be made up of following mass component material: Zinc Pyrithione 10 parts, chitosan biguanide hydrochloride 30 parts, methyl phenyl silicone resin 16 parts, nano-silver powder 25 parts, phosphate flame retardant 10 parts, peroxy dicarbonate double hexadecyl ester 10 parts, butyl benzyl phthalate 20 parts, microfine acrylic ester rubber powder 1 part, methyl-phosphoric acid dimethyl ester 0.5 part, aluminum silicate fiber 15 parts, 3 parts, zinc oxide.
Above-mentioned antibacterial flame-retardant preparation method for coating comprises the steps:
(1) chitosan biguanide hydrochloride of above-mentioned mass fraction is added to the water, then the Zinc Pyrithione of above-mentioned mass fraction, methyl phenyl silicone resin, phosphate flame retardant, peroxy dicarbonate double hexadecyl ester, butyl benzyl phthalate, methyl-phosphoric acid dimethyl ester, aluminum silicate fiber, zinc oxide is added successively, high speed dispersion;
(2) nano-silver powder of above-mentioned mass fraction is added, high speed dispersion;
(3) add the microfine acrylic ester rubber powder of above-mentioned mass fraction, high-speed mixing evenly, filter, regulation system pH value, obtained solid content is 60% antibacterial flame-retardant coating.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 4500r/min in step (1), jitter time is 25min.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 4000r/min in step (2), jitter time is 15min.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 2500r/min in step (3), jitter time is 10min.
embodiment 3
Antibacterial flame-retardant coating in the present embodiment, be made up of following mass component material: Zinc Pyrithione 8 parts, chitosan biguanide hydrochloride 18 parts, methyl phenyl silicone resin 12 parts, nano-silver powder 13 parts, phosphate flame retardant 9 parts, peroxy dicarbonate double hexadecyl ester 12 parts, butyl benzyl phthalate 16 parts, microfine acrylic ester rubber powder 0.75 part, methyl-phosphoric acid dimethyl ester 0.3 part, aluminum silicate fiber 10 parts, 2 parts, zinc oxide.
Further, above-mentioned antibacterial flame-retardant preparation method for coating comprises the steps:
(1) chitosan biguanide hydrochloride of above-mentioned mass fraction is added to the water, then the Zinc Pyrithione of above-mentioned mass fraction, methyl phenyl silicone resin, phosphate flame retardant, peroxy dicarbonate double hexadecyl ester, butyl benzyl phthalate, methyl-phosphoric acid dimethyl ester, aluminum silicate fiber, zinc oxide is added successively, high speed dispersion;
(2) nano-silver powder of above-mentioned mass fraction is added, high speed dispersion;
(3) add the microfine acrylic ester rubber powder of above-mentioned mass fraction, high-speed mixing evenly, filter, regulation system pH value, obtained solid content is 45% antibacterial flame-retardant coating.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 4250r/min in step (1), jitter time is 35min.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 3500r/min in step (2), jitter time is 20min.
In above-mentioned antibacterial flame-retardant preparation method for coating, the rate of dispersion 2000r/min in step (3), jitter time is 15min.
Carry out antibacterial flame-retardant performance measurement for the coating in embodiment 1, embodiment 2 and embodiment 3, measured data are as shown in table 1.
Table 1 antibacterial flame-retardant the performance test results
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (5)
1. an antibacterial flame-retardant coating, it is characterized in that: be made up of following mass component material: Zinc Pyrithione 6 ~ 10 parts, chitosan biguanide hydrochloride 15 ~ 30 parts, methyl phenyl silicone resin 8 ~ 16 parts, nano-silver powder 10 ~ 25 parts, phosphate flame retardant 8 ~ 10 parts, peroxy dicarbonate double hexadecyl ester 4 ~ 10 parts, butyl benzyl phthalate 12 ~ 20 parts, microfine acrylic ester rubber powder 0.5 ~ 1 part, methyl-phosphoric acid dimethyl ester 0.1 ~ 0.5 part, aluminum silicate fiber 5 ~ 15 parts, 1 ~ 3 part, zinc oxide.
2. antibacterial flame-retardant coating according to claim 1, is characterized in that: described antibacterial flame-retardant preparation method for coating comprises the steps:
(1) chitosan biguanide hydrochloride of described mass fraction is added to the water, then the Zinc Pyrithione of above-mentioned mass fraction, methyl phenyl silicone resin, phosphate flame retardant, peroxy dicarbonate double hexadecyl ester, butyl benzyl phthalate, methyl-phosphoric acid dimethyl ester, aluminum silicate fiber, zinc oxide is added successively, high speed dispersion;
(2) nano-silver powder of described mass fraction is added, high speed dispersion;
(3) add the microfine acrylic ester rubber powder of described mass fraction, high-speed mixing evenly, filter, regulation system pH value, obtained solid content is 30 ~ 60% antibacterial flame-retardant coating.
3. antibacterial flame-retardant coating according to claim 2, it is characterized in that: described antibacterial flame-retardant preparation method for coating comprises the steps: in above-mentioned antibacterial flame-retardant preparation method for coating, rate of dispersion 4000 ~ 4500r/min in step (1), jitter time is 25 ~ 50min.
4. antibacterial flame-retardant coating according to claim 2, it is characterized in that: described antibacterial flame-retardant preparation method for coating comprises the steps: in above-mentioned antibacterial flame-retardant preparation method for coating, rate of dispersion 3000 ~ 4000r/min in step (2), jitter time is 15 ~ 35min.
5. antibacterial flame-retardant coating according to claim 2, it is characterized in that: described antibacterial flame-retardant preparation method for coating comprises the steps: in above-mentioned antibacterial flame-retardant preparation method for coating, rate of dispersion 1500 ~ 2500r/min in step (3), jitter time is 10 ~ 20min.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925185A (en) * | 2016-07-02 | 2016-09-07 | 曹平 | Environment-friendly flame-retardant coating |
| CN106147458A (en) * | 2016-08-23 | 2016-11-23 | 陈广圣 | A kind of flame retardant type coating |
| CN106283697A (en) * | 2016-08-05 | 2017-01-04 | 李红玉 | A kind of interior architecture finishing wall paper wallpaper flame-proof antibiotic coating |
| CN106336665A (en) * | 2016-08-22 | 2017-01-18 | 桂林福冈新材料有限公司 | Antibacterial material |
| CN107338673A (en) * | 2017-07-21 | 2017-11-10 | 华南理工大学 | Controllable antibacterial china picture-character paper of a kind of ink wetting capability and preparation method thereof |
| CN109776754A (en) * | 2017-11-13 | 2019-05-21 | 湖南大学 | A kind of preparation method of cation-type water-thinned UV urethane acrylate from antibacterial resin |
| US11560487B2 (en) | 2020-09-22 | 2023-01-24 | Swimc Llc | Coating compositions containing low molecular weight chitosan composition |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105925185A (en) * | 2016-07-02 | 2016-09-07 | 曹平 | Environment-friendly flame-retardant coating |
| CN106283697A (en) * | 2016-08-05 | 2017-01-04 | 李红玉 | A kind of interior architecture finishing wall paper wallpaper flame-proof antibiotic coating |
| CN106336665A (en) * | 2016-08-22 | 2017-01-18 | 桂林福冈新材料有限公司 | Antibacterial material |
| CN106147458A (en) * | 2016-08-23 | 2016-11-23 | 陈广圣 | A kind of flame retardant type coating |
| CN107338673A (en) * | 2017-07-21 | 2017-11-10 | 华南理工大学 | Controllable antibacterial china picture-character paper of a kind of ink wetting capability and preparation method thereof |
| CN109776754A (en) * | 2017-11-13 | 2019-05-21 | 湖南大学 | A kind of preparation method of cation-type water-thinned UV urethane acrylate from antibacterial resin |
| CN109776754B (en) * | 2017-11-13 | 2022-02-08 | 湖南大学 | Preparation method of cationic waterborne UV polyurethane acrylate self-antibacterial resin |
| US11560487B2 (en) | 2020-09-22 | 2023-01-24 | Swimc Llc | Coating compositions containing low molecular weight chitosan composition |
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Application publication date: 20150923 |