CN113788989A - 一种具有紫外屏蔽功能的淀粉基纳米复合材料及其制备方法 - Google Patents
一种具有紫外屏蔽功能的淀粉基纳米复合材料及其制备方法 Download PDFInfo
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- CN113788989A CN113788989A CN202111065441.6A CN202111065441A CN113788989A CN 113788989 A CN113788989 A CN 113788989A CN 202111065441 A CN202111065441 A CN 202111065441A CN 113788989 A CN113788989 A CN 113788989A
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- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical class O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 claims abstract description 32
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- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 claims abstract description 18
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
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CN202111065441.6A CN113788989B (zh) | 2021-09-13 | 2021-09-13 | 一种具有紫外屏蔽功能的淀粉基纳米复合材料及其制备方法 |
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Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101544785A (zh) * | 2009-04-25 | 2009-09-30 | 西北师范大学 | 淀粉基纳米复合降解材料及其制备方法 |
CN106117625A (zh) * | 2016-07-25 | 2016-11-16 | 安徽盛农农业集团有限公司 | 一种具有防虫害作用的可生物降解农用地膜 |
CN107541033A (zh) * | 2017-08-30 | 2018-01-05 | 华南理工大学 | 一种高气体阻隔性纳米复合材料及其制备方法 |
CN108034072A (zh) * | 2017-12-27 | 2018-05-15 | 广州再森新材料科技有限公司 | 一种用于木塑复合材料的抗菌防霉剂及其制备方法 |
CN108816056A (zh) * | 2018-07-19 | 2018-11-16 | 佛山皖阳生物科技有限公司 | 一种抗污染纳滤膜的制备方法 |
CN109078616A (zh) * | 2018-09-14 | 2018-12-25 | 河南科技大学 | 一种单宁酸改性石墨烯/明胶多孔复合材料及其制备方法、应用 |
CN109423636A (zh) * | 2017-08-23 | 2019-03-05 | 北京化工大学 | 一种二次镀银高导电填料的制备方法 |
CN109873106A (zh) * | 2019-01-22 | 2019-06-11 | 武汉纺织大学 | 一种埃洛石-细菌纤维素复合隔膜的制备方法 |
CN110240723A (zh) * | 2019-07-17 | 2019-09-17 | 华南协同创新研究院 | 一种紫外高屏蔽纤维素膜及其制备方法与应用 |
CN110343292A (zh) * | 2018-04-02 | 2019-10-18 | 广西大学 | 一种纤维素纳米纤维/埃洛石纳米管增强淀粉膜及其制备方法 |
CN111450824A (zh) * | 2020-05-14 | 2020-07-28 | 河北大学 | 具有温度响应催化性能的金纳米催化剂的制备方法及应用 |
CN111607114A (zh) * | 2020-06-16 | 2020-09-01 | 陕西科技大学 | 绿色可降解多功能胶原基纳米复合膜的制备方法 |
CN113249024A (zh) * | 2021-06-16 | 2021-08-13 | 四川大学 | 一种单宁酸修饰铈离子改性蒙脱土/水性聚氨酯的制备方法 |
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2021
- 2021-09-13 CN CN202111065441.6A patent/CN113788989B/zh active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101544785A (zh) * | 2009-04-25 | 2009-09-30 | 西北师范大学 | 淀粉基纳米复合降解材料及其制备方法 |
CN106117625A (zh) * | 2016-07-25 | 2016-11-16 | 安徽盛农农业集团有限公司 | 一种具有防虫害作用的可生物降解农用地膜 |
CN109423636A (zh) * | 2017-08-23 | 2019-03-05 | 北京化工大学 | 一种二次镀银高导电填料的制备方法 |
CN107541033A (zh) * | 2017-08-30 | 2018-01-05 | 华南理工大学 | 一种高气体阻隔性纳米复合材料及其制备方法 |
CN108034072A (zh) * | 2017-12-27 | 2018-05-15 | 广州再森新材料科技有限公司 | 一种用于木塑复合材料的抗菌防霉剂及其制备方法 |
CN110343292A (zh) * | 2018-04-02 | 2019-10-18 | 广西大学 | 一种纤维素纳米纤维/埃洛石纳米管增强淀粉膜及其制备方法 |
CN108816056A (zh) * | 2018-07-19 | 2018-11-16 | 佛山皖阳生物科技有限公司 | 一种抗污染纳滤膜的制备方法 |
CN109078616A (zh) * | 2018-09-14 | 2018-12-25 | 河南科技大学 | 一种单宁酸改性石墨烯/明胶多孔复合材料及其制备方法、应用 |
CN109873106A (zh) * | 2019-01-22 | 2019-06-11 | 武汉纺织大学 | 一种埃洛石-细菌纤维素复合隔膜的制备方法 |
CN110240723A (zh) * | 2019-07-17 | 2019-09-17 | 华南协同创新研究院 | 一种紫外高屏蔽纤维素膜及其制备方法与应用 |
CN111450824A (zh) * | 2020-05-14 | 2020-07-28 | 河北大学 | 具有温度响应催化性能的金纳米催化剂的制备方法及应用 |
CN111607114A (zh) * | 2020-06-16 | 2020-09-01 | 陕西科技大学 | 绿色可降解多功能胶原基纳米复合膜的制备方法 |
CN113249024A (zh) * | 2021-06-16 | 2021-08-13 | 四川大学 | 一种单宁酸修饰铈离子改性蒙脱土/水性聚氨酯的制备方法 |
Non-Patent Citations (13)
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Application publication date: 20211214 Assignee: GUILIN XINYU GE INDUSTRY Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2023980044200 Denomination of invention: A starch based nanocomposite material with UV shielding function and its preparation method Granted publication date: 20230530 License type: Common License Record date: 20231025 |
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Application publication date: 20211214 Assignee: Guangxi Zaifa Energy Technology Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2023980045075 Denomination of invention: A starch based nanocomposite material with UV shielding function and its preparation method Granted publication date: 20230530 License type: Common License Record date: 20231031 Application publication date: 20211214 Assignee: GUANGXI HEYANG ENERGY LTD. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2023980045074 Denomination of invention: A starch based nanocomposite material with UV shielding function and its preparation method Granted publication date: 20230530 License type: Common License Record date: 20231031 Application publication date: 20211214 Assignee: Guangxi Wokang Medical Technology Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2023980045070 Denomination of invention: A starch based nanocomposite material with UV shielding function and its preparation method Granted publication date: 20230530 License type: Common License Record date: 20231101 |
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Application publication date: 20211214 Assignee: Guangxi manjin Energy Saving Technology Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2023980045248 Denomination of invention: A starch based nanocomposite material with UV shielding function and its preparation method Granted publication date: 20230530 License type: Common License Record date: 20231103 |