CN105152200A - Silicon deposition modified nano zinc oxide inorganic powder material - Google Patents
Silicon deposition modified nano zinc oxide inorganic powder material Download PDFInfo
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- CN105152200A CN105152200A CN201510425705.2A CN201510425705A CN105152200A CN 105152200 A CN105152200 A CN 105152200A CN 201510425705 A CN201510425705 A CN 201510425705A CN 105152200 A CN105152200 A CN 105152200A
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Abstract
The invention discloses a silicon deposition modified nano zinc oxide inorganic powder material and belongs to the technical field of nano materials. The nano zinc oxide is coated with silicon dioxide on the surface. The coating steps are as follows: 1) soaking the nano zinc oxide in a normal hexane solvent of methylsilicone oil and uniformly stirring the solution to obtain a mixed liquid; 2) drying the prepared mixed liquid in the step 1) by distillation and putting the material left after distillation in an oven to be dried to prepare methylsilicone oil deposited nano zinc oxide; and 3) putting the methylsilicone oil deposited nano zinc oxide in a muffle furnace for high-temperature roasting, wherein methylsilicone oil is converted into silicon dioxide. The material disclosed by the invention has the advantages that 1, silicon deposition modification is carried out on the surface of the nano zinc oxide prepared by the invention, so that dissolving-out of zinc ions is inhibited and the dispersibility of the nano zinc oxide is improved; and 2, through experimental comparison, a relatively preferable high-temperature roasting condition is obtained, and the zinc ion dissolving-out concentration of the prepared nano zinc oxide is low.
Description
Technical field
The invention belongs to technical field of nano material, be specifically related to a kind of nano zine oxide inorganic powder material of siliceous deposits modification.
Background technology
Nano zine oxide is a kind of inorganic UV shield agent of excellent performance, is widely used in the fields such as sun care preparations, nano-function textile, functional plastics and coating.But nano zine oxide is a kind of inorganic oxide, its size is little, surface energy is high, be difficult to compatible with organic composition, very easily produces serious agglomeration.In addition, because the specific surface area of nano zine oxide is large, zine ion is stripping very easily, the existence of a large amount of zine ion, if system contains lipid acid and salt thereof, also can react with zine ion and generate fatty acid zinc, the result of use of nano zine oxide is deteriorated.
Summary of the invention
The object of the invention is to the defect of easily reuniting for the nano zinc oxide material of prior art and provide a kind of nano zine oxide inorganic powder material of siliceous deposits modification, this nano zinc oxide material has excellent dispersiveness and stability.
The technical scheme realizing the object of the invention employing is: a kind of nano zine oxide inorganic powder material of siliceous deposits modification, and this surface of nanometer zinc oxide is coated with silicon oxide, and its encapsulation steps is as follows:
1) nano zine oxide be impregnated in the normal hexane solvent of methyl-silicone oil, stir, obtained mixed solution;
2) mixed solution obtained for step 1) is carried out evaporate to dryness, and be put in baking oven and carry out drying, the nano zine oxide of obtained deposition methyl-silicone oil;
3) by step 2) nano zine oxide of obtained deposition methyl-silicone oil is placed in retort furnace, and carry out high-temperature roasting, make methyl-silicone oil change into silicon-dioxide.
Preferably, described high-temperature roasting condition is: under excess oxygen, with the ramp to 500 DEG C of 5 DEG C/min, keeps 3h.
Further preferably, the mass ratio of the nano zine oxide described in step 1) and methyl-silicone oil is (0.5 ~ 1): 1, and the mass volume ratio of described methyl-silicone oil and normal hexane solvent is 1g:5mL, and the massfraction of described methyl-silicone oil is 10% ~ 30%.
More preferably, step 2) described in evaporate to dryness step be carry out under the bath temperature of 60 ~ 90 DEG C.
The invention has the advantages that: 1, the nano zine oxide that obtains of the present invention, siliceous deposits modification is carried out on its surface, inhibits the stripping of zine ion, improves the dispersiveness of nano zine oxide; 2, the present invention contrasts by experiment, obtains preferably high-temperature roasting condition, and the zine ion stripping concentration of obtained nano zine oxide is low.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
embodiment 1
1) by 5g massfraction be 20% methyl-silicone oil be dissolved in the normal hexane solvent of 20mL, then add 4 grams of nano zine oxides, stir, obtained mixed solution;
2) mixed solution obtained for step 1) is carried out evaporate to dryness at bath temperature 75 DEG C, and be put in baking oven and carry out drying, the nano zine oxide of obtained deposition methyl-silicone oil;
3) by step 2) nano zine oxide of obtained deposition methyl-silicone oil is placed in retort furnace, under excess oxygen, with the ramp to 500 DEG C of 5 DEG C/min, keep 3h, methyl-silicone oil is made to change into silicon-dioxide, the nano zine oxide that namely obtained surface silicon is deposition modified.
embodiment 2
1) by 5g massfraction be 10% methyl-silicone oil be dissolved in the normal hexane solvent of 25mL, then add 5 grams of nano zine oxides, stir, obtained mixed solution;
2) mixed solution obtained for step 1) is carried out evaporate to dryness at bath temperature 90 DEG C, and be put in baking oven and carry out drying, the nano zine oxide of obtained deposition methyl-silicone oil;
3) by step 2) nano zine oxide of obtained deposition methyl-silicone oil is placed in retort furnace, under excess oxygen, with the ramp to 500 DEG C of 5 DEG C/min, keep 3h, methyl-silicone oil is made to change into silicon-dioxide, the nano zine oxide that namely obtained surface silicon is deposition modified.
embodiment 3
1) by 5g massfraction be 30% methyl-silicone oil be dissolved in the normal hexane solvent of 12.5mL, then add 2.5 grams of nano zine oxides, stir, obtained mixed solution;
2) mixed solution obtained for step 1) is carried out evaporate to dryness at bath temperature 60 DEG C, and be put in baking oven and carry out drying, the nano zine oxide of obtained deposition methyl-silicone oil;
3) by step 2) nano zine oxide of obtained deposition methyl-silicone oil is placed in retort furnace, under excess oxygen, with the ramp to 500 DEG C of 5 DEG C/min, keep 3h, methyl-silicone oil is made to change into silicon-dioxide, the nano zine oxide that namely obtained surface silicon is deposition modified.
embodiment 4 ~ 8
Embodiment 4 with embodiment 1 as a reference, changes high-temperature roasting condition and prepares modified nano zinc oxide, specifically in table 1.
Table 1
The zine ion stripping experiment of nano zine oxide:
Nano zine oxide is added respectively deionized water, mass percentage be 3% ammonia soln, mass percentage be in the salpeter solution of 0.01%, being mixed with solid content is 5% suspension, stir 2 hours at 35 DEG C, through centrifugation, measure the zinc ion concentration in clear liquid, measuring result is in table 2.
Table 2
As can be seen from Table 2, by modification of the present invention, the zine ion stripping concentration of nano zine oxide obviously reduces.Especially, under maturing temperature 500 DEG C, the roasting condition of 3 hours, the zine ion stripping concentration of nano zine oxide is minimum.
In order to improve coverage effect further, the present invention can carry out secondary or the above siliceous deposits of secondary to each embodiment.
Claims (4)
1. a nano zine oxide inorganic powder material for siliceous deposits modification, this surface of nanometer zinc oxide is coated with silicon oxide, and it is characterized in that: concrete encapsulation steps is as follows:
1) nano zine oxide be impregnated in the normal hexane solvent of methyl-silicone oil, stir, obtained mixed solution;
2) mixed solution obtained for step 1) is carried out evaporate to dryness, and be put in baking oven and carry out drying, the nano zine oxide of obtained deposition methyl-silicone oil;
3) by step 2) nano zine oxide of obtained deposition methyl-silicone oil is placed in retort furnace, and carry out high-temperature roasting, make methyl-silicone oil change into silicon-dioxide.
2. the nano zine oxide inorganic powder material of a kind of siliceous deposits modification according to claim 1, is characterized in that: the high-temperature roasting condition described in step 3) is: under excess oxygen, with the ramp to 500 DEG C of 5 DEG C/min, keeps 3h.
3. the nano zine oxide inorganic powder material of a kind of siliceous deposits modification according to claim 1, it is characterized in that: the mass ratio of the nano zine oxide described in step 1) and methyl-silicone oil is (0.5 ~ 1): 1, the mass volume ratio of described methyl-silicone oil and normal hexane solvent is 1g:5mL, and the massfraction of described methyl-silicone oil is 10% ~ 30%.
4. the nano zine oxide inorganic powder material of a kind of siliceous deposits modification according to claim 1, is characterized in that: step 2) described in evaporate to dryness step be carry out under the bath temperature of 60 ~ 90 DEG C.
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| CN201510425705.2A CN105152200A (en) | 2015-07-20 | 2015-07-20 | Silicon deposition modified nano zinc oxide inorganic powder material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565367A (en) * | 2016-01-25 | 2016-05-11 | 延安大学 | Preparation method of nanometer zinc oxide powder material |
| CN106006713A (en) * | 2016-07-07 | 2016-10-12 | 安徽省含山县锦华氧化锌厂 | Preparation process of active nano-zinc oxide |
| CN107698730A (en) * | 2017-10-23 | 2018-02-16 | 安徽屹翔滤材有限公司 | A kind of preparation method of polyurethane sieve plate |
| CN107892834A (en) * | 2017-12-08 | 2018-04-10 | 枞阳县新天地高新材料有限公司 | A kind of high-performance water-based acrylate paint of graphene-containing |
| CN108264343A (en) * | 2018-02-07 | 2018-07-10 | 合肥安力电力工程有限公司 | A kind of modified nano zinc oxide piezoresistive material and preparation method thereof |
| CN108440933A (en) * | 2018-03-05 | 2018-08-24 | 陈昭 | Engineering plastics |
| CN112194170A (en) * | 2020-11-19 | 2021-01-08 | 安徽锦华氧化锌有限公司 | Preparation method of modified nano zinc oxide |
| CN112777627A (en) * | 2021-01-13 | 2021-05-11 | 北京化工大学 | Preparation method of nano zinc oxide and nano zinc oxide |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565367A (en) * | 2016-01-25 | 2016-05-11 | 延安大学 | Preparation method of nanometer zinc oxide powder material |
| CN106006713A (en) * | 2016-07-07 | 2016-10-12 | 安徽省含山县锦华氧化锌厂 | Preparation process of active nano-zinc oxide |
| CN107698730A (en) * | 2017-10-23 | 2018-02-16 | 安徽屹翔滤材有限公司 | A kind of preparation method of polyurethane sieve plate |
| CN107892834A (en) * | 2017-12-08 | 2018-04-10 | 枞阳县新天地高新材料有限公司 | A kind of high-performance water-based acrylate paint of graphene-containing |
| CN108264343A (en) * | 2018-02-07 | 2018-07-10 | 合肥安力电力工程有限公司 | A kind of modified nano zinc oxide piezoresistive material and preparation method thereof |
| CN108440933A (en) * | 2018-03-05 | 2018-08-24 | 陈昭 | Engineering plastics |
| CN108440933B (en) * | 2018-03-05 | 2020-11-10 | 广东威武实业有限公司 | Engineering plastic |
| CN112194170A (en) * | 2020-11-19 | 2021-01-08 | 安徽锦华氧化锌有限公司 | Preparation method of modified nano zinc oxide |
| CN112777627A (en) * | 2021-01-13 | 2021-05-11 | 北京化工大学 | Preparation method of nano zinc oxide and nano zinc oxide |
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