CN1301059C - 无机包覆结构载银纳米SiO2抗菌剂的制备方法 - Google Patents
无机包覆结构载银纳米SiO2抗菌剂的制备方法 Download PDFInfo
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- CN1301059C CN1301059C CNB2005100377244A CN200510037724A CN1301059C CN 1301059 C CN1301059 C CN 1301059C CN B2005100377244 A CNB2005100377244 A CN B2005100377244A CN 200510037724 A CN200510037724 A CN 200510037724A CN 1301059 C CN1301059 C CN 1301059C
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- Prior art keywords
- silver
- antibacterial agent
- inorganic material
- antibacterial
- material clad
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- 239000003242 anti bacterial agent Substances 0.000 title claims abstract description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000004332 silver Substances 0.000 title claims abstract description 12
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 12
- 229910010272 inorganic material Inorganic materials 0.000 title claims description 7
- 239000011147 inorganic material Substances 0.000 title claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract 10
- 229910052681 coesite Inorganic materials 0.000 title abstract 5
- 229910052906 cristobalite Inorganic materials 0.000 title abstract 5
- 239000000377 silicon dioxide Substances 0.000 title abstract 5
- 235000012239 silicon dioxide Nutrition 0.000 title abstract 5
- 229910052682 stishovite Inorganic materials 0.000 title abstract 5
- 229910052905 tridymite Inorganic materials 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 239000007900 aqueous suspension Substances 0.000 claims abstract description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 230000000845 anti-microbial effect Effects 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000006067 antibiotic powder Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 241000191967 Staphylococcus aureus Species 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 2
- 230000000844 anti-bacterial effect Effects 0.000 abstract 4
- 238000005253 cladding Methods 0.000 abstract 2
- -1 and then Substances 0.000 abstract 1
- 230000003115 biocidal effect Effects 0.000 description 3
- 230000002688 persistence Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明涉及一种无机包覆结构载银纳米SiO2抗菌剂的制备方法，其特点是将载银纳米SiO2抗菌粉配制成水悬浮体，再进行化学包覆处理。本发明将钛酸丁酯水解生成锐钛型TiO2，包覆在载银纳米SiO2粒子的表面，形成包覆结构的抗菌粒子。该抗菌剂白度好，光学稳定性和抗菌持久性好。其对大肠肝菌、金黄色葡萄球菌的杀菌率为99%以上。
Description
技术领域：
本发明涉及一种新型无机包覆结构抗菌剂的制备方法。尤其是涉及一种无机包覆结构载银纳米SiO2抗菌剂的制备方法。属抗菌剂的制备技术领域。
背景技术：
目前，用于大肠肝菌、金黄色葡萄球菌的抗菌剂有纳米SiO2载体的银系抗菌粉体，其主要存在以下不足：
1、白度较差
2、光稳定性较差
3、抗菌持久性较差
因此其对大肠肝菌、金黄色葡萄球菌的杀菌率较低，一般仅为？％。
发明内容：
本发明的目的在于克服上述不足，提供一种具有更好的白度，更好的光稳定性和抗菌持久性的无机包覆结构载银纳米SiO2抗菌剂的制备方法。
本发明的目的是这样实现的：一种无机包覆结构载银纳米SiO2抗菌剂的制备方法，其特征在于是将载银纳米SiO2抗菌粉配制成水悬浮体，再进行化学包覆处理。
本发明将钛酸丁酯水解生成锐钛型TiO2，包覆在载银纳米SiO2粒子的表面，形成包覆结构的抗菌粒子。该抗菌剂白度好，光学稳定性和抗菌持久性好。其对大肠肝菌、金黄色葡萄球菌的杀菌率为99％以上。
具体实施方式：
实施例1：
将10g纳米载银SiO2粉体加入250ml烧杯中，加入100ml水，2000r/min搅拌15min，制得悬浮体A，将悬浮体A转移至250ml三口烧瓶中，搅拌升温至80℃保温。同时在50ml烧杯中加入20ml钛酸丁酯、15ml乙醇和1ml冰乙酸，搅拌得淡黄色透明体系B。将B缓慢滴加入A中，2.5小时滴完，在80℃下，保温1小时，过滤，120℃干燥得产品。
实施例2：
将10g纳米载银SiO2粉体加入250ml烧杯中，加入150ml水，1900r/min搅拌20min，制得悬浮体A，将悬浮体A转移至250ml三口烧瓶中，搅拌升温至85℃保温。同时在50ml烧杯中加入10ml钛酸丁酯、20ml乙醇和1ml冰乙酸，搅拌得淡黄色透明体系B。将B缓慢滴加入A中，3小时滴完，在85℃下，保温1小时，过滤，120℃干燥得产品。
Claims (2)
1、一种无机包覆结构载银纳米SiO2抗菌剂的制备方法，是将载银纳米SiO2抗菌粉配制成水悬浮体，再进行化学包覆处理，其特征在于：将钛酸丁酯水解生成锐钛型TiO2，包覆在载银纳米SiO2粒子的表面，形成包覆结构的抗菌粒子。
2、根据权利要求1所述的一种无机包覆结构载银纳米SiO2抗菌剂的制备方法，其特征在于将载银纳米SiO2粉体按重量份1∶10～15加入水中，1900～2000r/min搅拌15～20min，制得悬浮体A，搅拌升温至80℃～85℃保温；将钛酸丁酯、乙醇和冰乙酸按重量份10～20∶15～20∶1混合搅拌得淡黄色透明体系B；将B滴加入A中，2.5～3小时滴加完，在80℃～85℃下，保温≥1小时，过滤，干燥得产品。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100377244A CN1301059C (zh) | 2005-02-01 | 2005-02-01 | 无机包覆结构载银纳米SiO2抗菌剂的制备方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100377244A CN1301059C (zh) | 2005-02-01 | 2005-02-01 | 无机包覆结构载银纳米SiO2抗菌剂的制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1663390A CN1663390A (zh) | 2005-09-07 |
| CN1301059C true CN1301059C (zh) | 2007-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100377244A Expired - Fee Related CN1301059C (zh) | 2005-02-01 | 2005-02-01 | 无机包覆结构载银纳米SiO2抗菌剂的制备方法 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101255254B (zh) * | 2008-03-28 | 2010-06-23 | 浙江高峰控股集团有限公司 | 抗菌聚丙烯管材和其抗菌复合母粒以及它们的制造方法 |
| CN114180991A (zh) * | 2021-12-22 | 2022-03-15 | 湖南华联瓷业股份有限公司 | 一种耐磨釉面的生产工艺及釉料 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849223A (en) * | 1984-12-28 | 1989-07-18 | Johnson Matthey Public Limited Company | Antimicrobial compositions consisting of metallic silver combined with titanium oxide or tantalum oxide |
| CN1563183A (zh) * | 2004-03-31 | 2005-01-12 | 华东理工大学 | 一种抗菌abs制品的制备方法 |
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2005
- 2005-02-01 CN CNB2005100377244A patent/CN1301059C/zh not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849223A (en) * | 1984-12-28 | 1989-07-18 | Johnson Matthey Public Limited Company | Antimicrobial compositions consisting of metallic silver combined with titanium oxide or tantalum oxide |
| CN1563183A (zh) * | 2004-03-31 | 2005-01-12 | 华东理工大学 | 一种抗菌abs制品的制备方法 |
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| CN1663390A (zh) | 2005-09-07 |
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Assignee: Jiangyin Ruco Technology Co., Ltd. Assignor: Hua Mingyang Contract fulfillment period: 2009.4.10 to 2014.4.10 contract change Contract record no.: 2009320000797 Denomination of invention: Method for preparing inorganic material clad silver loaded nanometer SiO2 antibacterial agent Granted publication date: 20070221 License type: Exclusive license Record date: 2009.5.6 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.10 TO 2014.4.10; CHANGE OF CONTRACT Name of requester: JIANGYIN CITY NUOKE SCIENCE CO., LTD. Effective date: 20090506 |
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