CN105694576A - Radiation-resistant modified putty powder and preparation method and application thereof - Google Patents
Radiation-resistant modified putty powder and preparation method and application thereof Download PDFInfo
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- CN105694576A CN105694576A CN201610297296.7A CN201610297296A CN105694576A CN 105694576 A CN105694576 A CN 105694576A CN 201610297296 A CN201610297296 A CN 201610297296A CN 105694576 A CN105694576 A CN 105694576A
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- phosphoguanidine
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
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Abstract
The invention discloses radiation-resistant modified putty powder and a preparation method and application thereof. The modified putty powder is prepared from, by weight, 42-50 parts of talcum powder, 52-60 parts of dioctyl phthalate, 10-18 parts of bismuth ferrite, 1-8 parts of paraffin, 5-12 parts of celestine and 8-16 parts of guanidine phosphate. The preparation method comprises the steps of making phosphoguanidine into a phosphoguanidine solution; putting the talcum powder into the dioctyl phthalate for heating and stirring, and then adding the bismuth ferrite and the paraffin for heating and stirring, so that a mixture A is obtained; pulverizing and sieving the celestite, mixing the celestite with the phosphoguanidine solution, and conducting heating and stirring, so that a mixture B is obtained; mixing the mixture A with the mixture B, and conducting ultrasonic treatment and drying, so that the modified putty powder is obtained. The modified putty powder has an extremely obvious radiation-resistant effect and is high in adhesion, resistant to washing and friction, simple in production process, normal to construct, free of toxin or harm and high in environment protection performance.
Description
Technical field
The present invention relates to building coating technical field, specifically a kind of radiation-resistant modified powder of lacquer putty for use on and its preparation method and application。
Background technology
Building coating includes aqueous architectural coating and solvent-borne type building coating, solvent-borne type building coating is because discharging toxic solvent in its solidification process, do not meet environmental requirement and be restricted in building coating, but owing to the macromolecule filming thing resistance to ag(e)ing of solvent-borne type building coating is strong, still using in the decoration of exterior wall of skyscraper。The building coating of exterior wall application requires bottom surface to dry, solid, firm, will not dusting, crack will not be produced loosen, but great majority are applicable to the building coating of exterior wall to meet its requirement but use solvent-borne type building coating now, and its environmental-protecting performance is declined, in order to meet the requirement of environmental protection building coating but because of resistance to water and bad mechanical strength, with the tack of ground, contrast ratio, wash-resistant property is poor and is restricted。Additionally, along with the continuous progress of human society, the various electrical equipment that can discharge very large radiation, such as mobile phone, TV, computer, microwave oven etc. are own through generally entering our life。Although the pollution of electromagnetic radiation we cannot see and can not touch, but our body harm is self-evident, mainly affect nervous system, cardiovascular system, immune system, eyes and reproductive system。The harm of electromagnetic radiation can make people occur: the symptoms such as dizzy, headache, tired, absent minded, hypomnesis, insomnia, cardiopalmus, uncomfortable in chest, dry mouth and tougue, body's immunity decline, cataract, woman in menstrual period imbalance, sexual function reduction。And we all inside house most of the time, accept the harm of various electrical equipment radiation。Therefore, develop a kind of multi-functional building coating and there is very big realistic meaning。
Summary of the invention
It is an object of the invention to provide a kind of adhesive force height, washability, rub resistance, radiation-resistant modified powder of lacquer putty for use on and its preparation method and application, with the problem solving to propose in above-mentioned background technology。
For achieving the above object, the present invention provides following technical scheme:
A kind of radiation-resistant modified powder of lacquer putty for use on, is made up of according to the raw material of weight portion following: Pulvis Talci 42-50 part, dioctyl phthalate 52-60 part, bismuth ferrite 10-18 part, paraffin 1-8 part, celestite 5-12 part, phosphoguanidine 8-16 part。
As the further scheme of the present invention: described radiation-resistant modified powder of lacquer putty for use on, it is made up of according to the raw material of weight portion following: Pulvis Talci 44-48 part, dioctyl phthalate 54-58 part, bismuth ferrite 12-16 part, paraffin 3-6 part, celestite 7-10 part, phosphoguanidine 10-14 part。
As the further scheme of the present invention: described radiation-resistant modified powder of lacquer putty for use on, it is made up of according to the raw material of weight portion following: Pulvis Talci 46 parts, dioctyl phthalate 56 parts, bismuth ferrite 14 parts, 5 parts of paraffin, celestite 9 parts, phosphoguanidine 12 parts。
The preparation method of described radiation-resistant modified powder of lacquer putty for use on, is made up of following steps:
1) by mixed to phosphoguanidine and its water of quality 18-22 times be incorporated in 22-25 DEG C at stirring, prepared phosphoguanidine solution;
2) Pulvis Talci is inserted in dioctyl phthalate, be warming up to 85-90 DEG C, heated and stirred 25-30min, add bismuth ferrite and paraffin, be warming up to 115-120 DEG C, and heated and stirred 1-1.2h at such a temperature, prepare mixture A;
3) celestite pulverized, cross 300-350 mesh sieve, mix with phosphoguanidine solution, heat to 75-80 DEG C, simultaneously stir process 20-30min, prepare mixture B;
4) mixture A is mixed with mixture B, and at 75-80 DEG C supersound process 50-60min, ultrasonic power is 1000W, then at 80-90 DEG C the modified powder of lacquer putty for use on of drying。
The application in building coating of the described modified powder of lacquer putty for use on。
Compared with prior art, the invention has the beneficial effects as follows:
The modified powder of lacquer putty for use on that the present invention prepares is a kind of material combining adsorptivity, shielding and non-resistance, the radiation of effective antistatic can be played, every ultraviolet and infrared effect by the synergism of each raw material, improve resistance to water and mechanical strength, improve itself and substrate adhesion, contrast ratio, wash-resistant property and crocking resistance。Therefore the modified radiation powder of lacquer putty for use on that the present invention prepares not only has effect extremely significantly radiation protection, and adhesive force is high, washability, rub resistance;Production technology is simple, and construction is normal, and nontoxic, and environmental-protecting performance is high。
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
Embodiment 1
In the embodiment of the present invention, a kind of radiation-resistant modified powder of lacquer putty for use on, it is made up of according to the raw material of weight portion following: Pulvis Talci 42 parts, dioctyl phthalate 52 parts, bismuth ferrite 10 parts, 1 part of paraffin, celestite 5 parts, phosphoguanidine 8 parts。
It is incorporated at 22 DEG C and stirs by mixed with the water of its quality 18 times for phosphoguanidine, prepare phosphoguanidine solution。Pulvis Talci is inserted in dioctyl phthalate, be warming up to 85 DEG C, heated and stirred 25min, add bismuth ferrite and paraffin, be warming up to 115 DEG C, and heated and stirred 1h at such a temperature, prepare mixture A。Celestite is pulverized, crosses 300 mesh sieves, mix with phosphoguanidine solution, heat to 75 DEG C, simultaneously stir process 20min, prepare mixture B。Mixture A is mixed with mixture B, and at 75 DEG C supersound process 50min, ultrasonic power is 1000W, then at 80 DEG C the modified powder of lacquer putty for use on of drying。
Embodiment 2
In the embodiment of the present invention, a kind of radiation-resistant modified powder of lacquer putty for use on, it is made up of according to the raw material of weight portion following: Pulvis Talci 50 parts, dioctyl phthalate 60 parts, bismuth ferrite 18 parts, 8 parts of paraffin, celestite 12 parts, phosphoguanidine 16 parts。
It is incorporated at 25 DEG C and stirs by mixed with the water of its quality 22 times for phosphoguanidine, prepare phosphoguanidine solution。Pulvis Talci is inserted in dioctyl phthalate, be warming up to 90 DEG C, heated and stirred 30min, add bismuth ferrite and paraffin, be warming up to 120 DEG C, and heated and stirred 1.2h at such a temperature, prepare mixture A。Celestite is pulverized, crosses 350 mesh sieves, mix with phosphoguanidine solution, heat to 80 DEG C, simultaneously stir process 30min, prepare mixture B。Mixture A is mixed with mixture B, and at 80 DEG C supersound process 60min, ultrasonic power is 1000W, then at 90 DEG C the modified powder of lacquer putty for use on of drying。
Embodiment 3
In the embodiment of the present invention, a kind of radiation-resistant modified powder of lacquer putty for use on, it is made up of according to the raw material of weight portion following: Pulvis Talci 44 parts, dioctyl phthalate 54 parts, bismuth ferrite 12 parts, 3 parts of paraffin, celestite 7 parts, phosphoguanidine 10 parts。
It is incorporated at 24 DEG C and stirs by mixed with the water of its quality 20 times for phosphoguanidine, prepare phosphoguanidine solution。Pulvis Talci is inserted in dioctyl phthalate, be warming up to 88 DEG C, heated and stirred 28min, add bismuth ferrite and paraffin, be warming up to 118 DEG C, and heated and stirred 1.1h at such a temperature, prepare mixture A。Celestite is pulverized, crosses 350 mesh sieves, mix with phosphoguanidine solution, heat to 78 DEG C, simultaneously stir process 25min, prepare mixture B。Mixture A is mixed with mixture B, and at 78 DEG C supersound process 55min, ultrasonic power is 1000W, then at 85 DEG C the modified powder of lacquer putty for use on of drying。
Embodiment 4
In the embodiment of the present invention, a kind of radiation-resistant modified powder of lacquer putty for use on, it is made up of according to the raw material of weight portion following: Pulvis Talci 48 parts, dioctyl phthalate 58 parts, bismuth ferrite 16 parts, 6 parts of paraffin, celestite 10 parts, phosphoguanidine 14 parts。
It is incorporated at 24 DEG C and stirs by mixed with the water of its quality 20 times for phosphoguanidine, prepare phosphoguanidine solution。Pulvis Talci is inserted in dioctyl phthalate, be warming up to 88 DEG C, heated and stirred 28min, add bismuth ferrite and paraffin, be warming up to 118 DEG C, and heated and stirred 1.1h at such a temperature, prepare mixture A。Celestite is pulverized, crosses 350 mesh sieves, mix with phosphoguanidine solution, heat to 78 DEG C, simultaneously stir process 25min, prepare mixture B。Mixture A is mixed with mixture B, and at 78 DEG C supersound process 55min, ultrasonic power is 1000W, then at 85 DEG C the modified powder of lacquer putty for use on of drying。
Embodiment 5
In the embodiment of the present invention, a kind of radiation-resistant modified powder of lacquer putty for use on, it is made up of according to the raw material of weight portion following: Pulvis Talci 46 parts, dioctyl phthalate 56 parts, bismuth ferrite 14 parts, 5 parts of paraffin, celestite 9 parts, phosphoguanidine 12 parts。
It is incorporated at 24 DEG C and stirs by mixed with the water of its quality 20 times for phosphoguanidine, prepare phosphoguanidine solution。Pulvis Talci is inserted in dioctyl phthalate, be warming up to 88 DEG C, heated and stirred 28min, add bismuth ferrite and paraffin, be warming up to 118 DEG C, and heated and stirred 1.1h at such a temperature, prepare mixture A。Celestite is pulverized, crosses 350 mesh sieves, mix with phosphoguanidine solution, heat to 78 DEG C, simultaneously stir process 25min, prepare mixture B。Mixture A is mixed with mixture B, and at 78 DEG C supersound process 55min, ultrasonic power is 1000W, then at 85 DEG C the modified powder of lacquer putty for use on of drying。
Comparative example 1
Except not containing bismuth ferrite, its formula and preparation process are consistent with embodiment 5。
Comparative example 2
Containing only Pulvis Talci and bismuth ferrite, its formula and preparation process are consistent with embodiment 5。
Comparative example 3
Containing only Pulvis Talci, its preparation process is consistent with embodiment 5。
Experimental result
1. according to above-described embodiment 1-5 and comparative example 1-3, modified powder of lacquer putty for use on is carried out performance test:
Relevant regulations by MIL-STD-285:1956 " the electromagnetic shielding environmental attenuation method for electronic test ", carry out in the suction ripple darkroom according to this index formation, need the equipment such as signal source, audiofrequency spectrometer, transmitting reception antenna, adopt medium wave, shortwave, ultrashort wave, microwave that the modified powder of lacquer putty for use in the present invention is tested by simulation method test, as shown in table 1。
Table 1
Testing data from upper table and can be seen that pad value attenuation respectively 17-24dB, 2-6dB, the 1-5dB on medium wave to microwave frequency band used after comparative example 1-3 putty electromagnetic radiation energy, attenuation is less, and basic radiation proof function is weak or does not have radiation proof function;After using the radioprotective putty of embodiments of the invention 1-5, pad value attenuation on medium wave to microwave frequency band of electromagnetic radiation energy is reached 32-40dB, 32-41dB, 34-43dB, 35-46dB, 37-48dB。Therefore, inspection proves that, above-described embodiment 1-5 all can play good radiation resistance, has the material of adsorptivity, shielding and non-resistance, plays antistatic radiation by synergism, every ultraviolet and infrared effect;Therefore radioprotective powder of lacquer putty for use on of the present invention has radiation protection, and effect is obvious。
2. being coated in bread board according to coating application technique and test abrasion resistance, adhesive force by embodiment 1-5 and the comparative example 1-3 modified putty obtained, test result is as shown in table 2:
Table 2
From table 2, the present invention modifiies putty, can improve the adhesive force of itself and ground preferably, and abrasion resistance crocking resistance also improves accordingly。
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms。Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention。
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that。
Claims (5)
1. a radiation-resistant modified powder of lacquer putty for use on, it is characterised in that be made up of according to the raw material of weight portion following: Pulvis Talci 42-50 part, dioctyl phthalate 52-60 part, bismuth ferrite 10-18 part, paraffin 1-8 part, celestite 5-12 part, phosphoguanidine 8-16 part。
2. radiation-resistant modified powder of lacquer putty for use on according to claim 1, it is characterized in that, be made up of according to the raw material of weight portion following: Pulvis Talci 44-48 part, dioctyl phthalate 54-58 part, bismuth ferrite 12-16 part, paraffin 3-6 part, celestite 7-10 part, phosphoguanidine 10-14 part。
3. radiation-resistant modified powder of lacquer putty for use on according to claim 2, it is characterised in that be made up of according to the raw material of weight portion following: Pulvis Talci 46 parts, dioctyl phthalate 56 parts, bismuth ferrite 14 parts, 5 parts of paraffin, celestite 9 parts, phosphoguanidine 12 parts。
4. one kind as arbitrary in claim 1-3 as described in the preparation method of radiation-resistant modified powder of lacquer putty for use on, it is characterised in that be made up of following steps:
1) by mixed to phosphoguanidine and its water of quality 18-22 times be incorporated in 22-25 DEG C at stirring, prepared phosphoguanidine solution;
2) Pulvis Talci is inserted in dioctyl phthalate, be warming up to 85-90 DEG C, heated and stirred 25-30min, add bismuth ferrite and paraffin, be warming up to 115-120 DEG C, and heated and stirred 1-1.2h at such a temperature, prepare mixture A;
3) celestite pulverized, cross 300-350 mesh sieve, mix with phosphoguanidine solution, heat to 75-80 DEG C, simultaneously stir process 20-30min, prepare mixture B;
4) mixture A is mixed with mixture B, and at 75-80 DEG C supersound process 50-60min, ultrasonic power is 1000W, then at 80-90 DEG C the modified powder of lacquer putty for use on of drying。
5. the application in building coating of the modified powder of lacquer putty for use on as described in as arbitrary in claim 1-3。
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008066319A1 (en) * | 2006-11-28 | 2008-06-05 | Woo-Jae Lee | Inorganic pigments composition having high hardness |
CN101948641A (en) * | 2010-11-01 | 2011-01-19 | 贵阳超群实业有限公司 | Radiation-proof putty powder and preparation method and application thereof |
CN103351698A (en) * | 2013-06-25 | 2013-10-16 | 天长市开林化工有限公司 | Preparation method of aldehyde/benzene-removing radiation-resistant inner wall putty powder |
CN103525153A (en) * | 2013-10-09 | 2014-01-22 | 三棵树涂料股份有限公司 | Radiation-proof putty powder and preparation method thereof |
CN104231711A (en) * | 2014-09-10 | 2014-12-24 | 武穴市浙武钙业有限责任公司 | Highly-waterproof high-hardness high-adhesive force putty powder for building external wall |
CN104559411A (en) * | 2014-12-30 | 2015-04-29 | 青岛佳尚创意文化有限公司 | Anti-aging putty |
CN104945997A (en) * | 2015-06-17 | 2015-09-30 | 杭州正博新型建筑材料有限公司 | External wall flexible waterproof putty powder and preparation method thereof |
CN105272037A (en) * | 2015-10-26 | 2016-01-27 | 广西兴安县桂兴矿粉厂 | Anti-radiation putty powder |
CN105524512A (en) * | 2016-01-28 | 2016-04-27 | 任甜甜 | Anti-crack building putty and preparation method |
-
2016
- 2016-05-04 CN CN201610297296.7A patent/CN105694576A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008066319A1 (en) * | 2006-11-28 | 2008-06-05 | Woo-Jae Lee | Inorganic pigments composition having high hardness |
CN101948641A (en) * | 2010-11-01 | 2011-01-19 | 贵阳超群实业有限公司 | Radiation-proof putty powder and preparation method and application thereof |
CN103351698A (en) * | 2013-06-25 | 2013-10-16 | 天长市开林化工有限公司 | Preparation method of aldehyde/benzene-removing radiation-resistant inner wall putty powder |
CN103525153A (en) * | 2013-10-09 | 2014-01-22 | 三棵树涂料股份有限公司 | Radiation-proof putty powder and preparation method thereof |
CN104231711A (en) * | 2014-09-10 | 2014-12-24 | 武穴市浙武钙业有限责任公司 | Highly-waterproof high-hardness high-adhesive force putty powder for building external wall |
CN104559411A (en) * | 2014-12-30 | 2015-04-29 | 青岛佳尚创意文化有限公司 | Anti-aging putty |
CN104945997A (en) * | 2015-06-17 | 2015-09-30 | 杭州正博新型建筑材料有限公司 | External wall flexible waterproof putty powder and preparation method thereof |
CN105272037A (en) * | 2015-10-26 | 2016-01-27 | 广西兴安县桂兴矿粉厂 | Anti-radiation putty powder |
CN105524512A (en) * | 2016-01-28 | 2016-04-27 | 任甜甜 | Anti-crack building putty and preparation method |
Non-Patent Citations (6)
Title |
---|
中国材料研究学会组织编写: "《低维材料:中国材料研讨会论文集》", 30 June 1995, 北京:化学工业出版社 * |
司航等: "《有机化工原料》", 31 January 1995, 北京:化学工业出版社 * |
吴世敏等: "《简明精细化工大辞典》", 30 June 1999, 沈阳:辽宁科学技术出版社 * |
吴兴敏等: "《汽车整形与美容》", 31 August 2015, 北京理工大学出版社 * |
徐立铨等: "《非金属矿行业指南》", 31 July 1999, 北京:中国建材工业出版 * |
韩健: "《人造板表面装饰工艺学》", 28 February 2014, 中国林业出版社 * |
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