CN114044918A - 一种多孔结构的假酸浆胶/聚乙烯醇复合水凝胶的制备方法 - Google Patents
一种多孔结构的假酸浆胶/聚乙烯醇复合水凝胶的制备方法 Download PDFInfo
- Publication number
- CN114044918A CN114044918A CN202111297002.8A CN202111297002A CN114044918A CN 114044918 A CN114044918 A CN 114044918A CN 202111297002 A CN202111297002 A CN 202111297002A CN 114044918 A CN114044918 A CN 114044918A
- Authority
- CN
- China
- Prior art keywords
- hydrogel
- polyvinyl alcohol
- preparation
- pseudoacid
- glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000017 hydrogel Substances 0.000 title claims abstract description 51
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims abstract description 25
- 239000004372 Polyvinyl alcohol Substances 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 239000003292 glue Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002253 acid Substances 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001424 calcium ion Inorganic materials 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000010257 thawing Methods 0.000 claims description 12
- 238000007710 freezing Methods 0.000 claims description 10
- 230000008014 freezing Effects 0.000 claims description 10
- 229920000715 Mucilage Polymers 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 8
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 229920000128 polypyrrole Polymers 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- 239000000499 gel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000006188 syrup Substances 0.000 claims description 6
- 235000020357 syrup Nutrition 0.000 claims description 6
- 239000013535 sea water Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 238000006482 condensation reaction Methods 0.000 claims description 3
- -1 carbenium ion Chemical class 0.000 claims description 2
- 238000004108 freeze drying Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000003809 water extraction Methods 0.000 claims description 2
- 238000003763 carbonization Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000001132 ultrasonic dispersion Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000011033 desalting Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 5
- 238000010612 desalination reaction Methods 0.000 description 4
- 244000135494 Nicandra physalodes Species 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010382 chemical cross-linking Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- 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
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
-
- 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
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
-
- 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
- C08K5/07—Aldehydes; Ketones
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明公开了一种多孔结构的假酸浆胶/聚乙烯醇双网络复合水凝胶的制备方法，所述水凝胶制备原料质量比如下：假酸浆胶：聚乙烯醇：去离子水：戊二醛：钙离子：盐酸＝0.001‑0.05g：0.95‑0.999g：6‑10g：50‑200μL：10‑600μL：100‑600μL。本发明多孔双网络水凝胶在太阳能净水技术中表现出稳定的脱盐效能和优异污水处理能力。
Description
技术领域
本发明属于双网络水凝胶材料的制备领域，特别涉及一种多孔结构的假酸浆胶/聚乙烯醇双网络水凝胶的制备方法。
背景技术
淡水是人类生存和发展不可或缺的资源，但目前全球正面临着日益严重的淡水资源危机。海水淡化或污水处理是目前获得淡水的有效途径，常用技术有反渗透、离子交换膜和膜蒸馏等。但以上净水技术往往面临着高能耗，难清洁，成本高等问题。因此，迫切需要开发高效、经济、可规模化的技术来实现海水淡化或污水处理。太阳能是一种储量大、来源广和易采集的绿色可再生能源，由太阳能驱动的水净化技术有着低能耗，自清洁，低成本等优点，而水凝胶界面光蒸发技术将热能控制在了水-空气界面，有效降低了净水能耗。其中水凝胶是界面光蒸发技术的核心材料，它具有物理或化学交联的聚合物网络，自身大量的功能基团可与水分子结合，为水分子的传输提供通道并有效降低水的蒸发焓，从而构成内部持续输水-界面低耗蒸馏的良性循环。
但传统水凝胶用于界面光蒸发还面临两大问题，一是一般水凝胶自身的光吸收能力较弱，二是其输水和锁水功能不够理想，导致蒸发速率较低。针对以上问题，本发明在水凝胶聚合物网络中嵌入具有高效光吸收能力和热转化能力的光吸收材料，并引入生物质高锁水材料假酸浆胶，以制备一种用于高效海水淡化或污水处理的新型多孔结构双网络复合水凝胶。
发明内容
1.本发明提供一种双网络复合水凝胶的制备方法，将物理交联与化学交联结合起来。通过碳正离子聚合形成凝胶骨架，同时引入钙离子实现协同配位，形成一种均匀多孔的双网络水凝胶。
2.本发明的一种多孔双网络水凝胶制备方法，包括：
(1)碳正离子缩合反应和钙离子交联作用共同制备得到复合水凝胶；
(2)将上述的复合水凝胶，在去离子水中浸泡24h，然后再用液氮反复冻融10次，得到多孔双网络水凝胶。
3.所述步骤(1)中碳正离子缩合反应和钙离子交联具体为：
将假酸浆胶，聚乙烯醇溶于水中，加入聚吡咯、戊二醛搅拌超声混合均匀后，加入盐酸和氯化钙溶液，再搅拌均匀；然后将混合溶液进行注模密封，放置凝胶，得到复合水凝胶；
其中，假酸浆胶：聚乙烯醇：去离子水按质量比为：0.001-0.05g：0.95-0.999g：6-10g。混合溶液中氯化钙(30wt％)10-600μL；戊二醛(50wt％)为50-200μL；盐酸(1.2mol/L)为100-600μL；聚吡咯质量浓度为10％。
4.所述步骤(1)假酸浆胶(冰粉)由假酸浆籽(冰粉籽)通过60℃水提法经过冷冻干燥得到。
5.所述步骤(1)聚乙烯醇溶解温度为30-80℃，时间为2h。
6.所述步骤(1)凝胶的反应温度为室温，反应时间为1-12h。
7.所述步骤(2)去离子水浸泡是为除去多余离子。
8.所述步骤(2)液氮冻融过程，溶解温度为30℃水浴。
9、本发明的一种所述方法制备多孔结构双网络水凝胶。
10、本发明还提供一种太阳能净化技术，所述太阳能净化材料为所述的多孔结构双网络水凝胶。
11、本发明提供一种所述多孔结构的双网络水凝胶在海水淡化、污水处理中的应用。
12、本发明的有益效果：
本发明的制备方法将物理交联与化学交联的网络结合起来，以聚乙烯醇聚合物链作为骨架，形成紧密的网络结构，通过钙离子交联假酸浆胶链，与聚乙烯醇链相互缠结形成物理交联点，合成壁面光滑、壁厚均匀的多孔双网络水凝胶。假酸浆胶/聚乙烯醇双网络水凝胶中含氧官能团不仅能与水形成氢键，形成更多的中间水团簇，降低水的蒸发焓；还能增强对废水中的金属离子和有机污染物的截留能力。
附图说明
图1是实施例1合成的聚乙烯醇水凝胶SEM照片；
图2是实施例3合成的假酸浆胶/聚乙烯醇双网络水凝胶SEM图。
具体实施方式
下面结合附图和实施例对本发明做进一步说明。
实施例1
加入1g聚乙烯醇60℃溶解后，搅拌至溶液均匀稳定后。加入125μL戊二醛和100 μL聚吡咯溶液，超声混合均匀后，搅拌加入500μL盐酸溶液和100μL氯化钙溶液。将混合溶液注模密封，室温凝胶2h后，去离子水浸泡24h得到水凝胶。将水凝胶经液氮冷冻， 30℃水浴解冻，反复冻融10次得到聚乙烯醇水凝胶。
实施例2
首先将0.005g假酸浆胶粉40℃溶于10mL去离子水中。再加入0.995g聚乙烯醇70℃溶解后，搅拌至溶液均匀稳定后。加入125μL戊二醛和100μL聚吡咯溶液，超声混合均匀后，搅拌加入500μL盐酸溶液和100μL氯化钙溶液。将混合溶液注模密封，室温凝胶2h后，去离子水浸泡24h得到复合水凝胶。将复合水凝胶经液氮冷冻，30℃水浴解冻，反复冻融10次得到双网络水凝胶。
实施例3
首先将0.025g假酸浆胶粉50℃溶于10mL去离子水中。再加入0.975g聚乙烯醇50℃溶解后，搅拌至溶液均匀稳定后。加入125μL戊二醛和100μL聚吡咯溶液，超声混合均匀后，搅拌加入500μL盐酸溶液和100μL氯化钙溶液。将混合溶液注模密封，室温凝胶 2h后，去离子水浸泡24h得到复合水凝胶。将复合水凝胶经液氮冷冻，30℃水浴解冻，反复冻融10次得到均匀多孔双网络水凝胶。
实施例4
首先将0.025g假酸浆胶粉60℃溶于10mL去离子水中。再加入0.975g聚乙烯醇40℃溶解后，搅拌至溶液均匀稳定后。加入100μL戊二醛和100μL聚吡咯溶液，超声混合均匀后，搅拌加入500μL盐酸溶液和100μL氯化钙溶液。将混合溶液注模密封，室温凝胶 2h后，去离子水浸泡24h得到复合水凝胶。将复合水凝胶经液氮冷冻，30℃水浴解冻，反复冻融10次得到双网络水凝胶。
综上所述，通过添加比例的假酸浆胶与聚乙烯醇比例，进行聚合反应，冻融后得到的水凝胶进行力学性能测试、冻干样品的扫描电镜测试、傅里叶红外光谱分析、热重分析，以及实验的验证，然后进行对比，可得实施例3为最佳方案，实施例3中投入的假酸浆胶与聚乙烯醇的质量比为0.025:0.975为最佳方案，因此水凝胶的制备方案为实施例3.
以上所述，仅为本发明的较佳实施例而已，故不能依此限定本发明实施的范围，即依本发明专利范围及说明书内容所作的等效变化与修饰，皆应仍属于本发明涵盖的范围内。
Claims (10)
1.一种内部为多孔结构的复合水凝胶，其特征在于所述水凝胶内部为具有多孔结构的假酸浆胶/聚乙烯醇复合水凝胶。
2.一种内部为多孔结构的复合水凝胶的制备方法，包括：
(1)钙离子配位作用与碳正离子缩合反应制备得到假酸浆胶/聚乙烯醇水凝胶。
(2)将上述聚合得到的假酸浆胶/聚乙烯醇水凝胶在去离子水中浸泡24h，进行液氮反复冻融10次，得到内部多孔的复合水凝胶。
3.根据权利要求2所述制备方法，其特征在于，所述步骤中钙离子配位作用和碳正离子聚合反应具体为：
将假酸浆胶：聚乙烯醇：去离子水按质量比为：0.001-0.05g：0.95-0.999g：6-10g，溶于水中搅拌，得到均匀溶液后，加入聚吡咯，戊二醛超声分散均匀，再加入氯化钙溶液和盐酸，然后将混合溶液进行注模，密封进行凝胶反应得到水凝胶。
4.根据专利要求3所述制备方法特征在于，所述凝胶反应温度在室温，反应时间为1-12h。
5.根据专利要求3所述制备方法特征在于，假酸浆胶(冰粉)由假酸浆籽(冰粉籽)通过30-90℃水提法经过冷冻干燥得到。
6.根据专利要求3所述制备方法特征在于，聚乙烯醇溶解温度为30-80℃，溶解时间为2h。
7.根据专利要求3所述制备方法特征在于，钙离子质量浓度为30％。
8.一种权利要求2所述方法制备得到多孔结构的复合水凝胶。
9.一种太阳能水净化材料，其特征在于，所述太阳能水净化所用材料用于海水碳化、污水处理为专利要求8所述的多孔复合水凝胶。
10.一种权利要求9所述多孔水凝胶的应用。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297002.8A CN114044918A (zh) | 2021-11-04 | 2021-11-04 | 一种多孔结构的假酸浆胶/聚乙烯醇复合水凝胶的制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297002.8A CN114044918A (zh) | 2021-11-04 | 2021-11-04 | 一种多孔结构的假酸浆胶/聚乙烯醇复合水凝胶的制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114044918A true CN114044918A (zh) | 2022-02-15 |
Family
ID=80207237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111297002.8A Pending CN114044918A (zh) | 2021-11-04 | 2021-11-04 | 一种多孔结构的假酸浆胶/聚乙烯醇复合水凝胶的制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114044918A (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367829A (zh) * | 2022-07-20 | 2022-11-22 | 成都理工大学 | 一种Janus结构水凝胶用于压裂返排液脱盐降污的处理方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437471A (zh) * | 2019-07-11 | 2019-11-12 | 郑州轻工业学院 | 一种粘性复合水凝胶及其制备方法和用途 |
| CN111171340A (zh) * | 2019-12-25 | 2020-05-19 | 浙江浙能技术研究院有限公司 | 一种基于pva水凝胶的光热蒸发材料及其制备和应用 |
| CN112066866A (zh) * | 2020-07-24 | 2020-12-11 | 华东师范大学 | 一种超快自愈的多糖基水凝胶应变传感器及其制备方法 |
-
2021
- 2021-11-04 CN CN202111297002.8A patent/CN114044918A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437471A (zh) * | 2019-07-11 | 2019-11-12 | 郑州轻工业学院 | 一种粘性复合水凝胶及其制备方法和用途 |
| CN111171340A (zh) * | 2019-12-25 | 2020-05-19 | 浙江浙能技术研究院有限公司 | 一种基于pva水凝胶的光热蒸发材料及其制备和应用 |
| CN112066866A (zh) * | 2020-07-24 | 2020-12-11 | 华东师范大学 | 一种超快自愈的多糖基水凝胶应变传感器及其制备方法 |
Non-Patent Citations (2)
| Title |
|---|
| LUO BQ等: "A Biomass-Based Hydrogel Evaporator Modified Through Dynamic Regulation of Water Molecules: Highly Efficient and Cost-Effective" * |
| 牛庆凤;王斌;李涛;金鑫;陈荫;: "假酸浆籽胶质多糖的结构及凝胶特性研究" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367829A (zh) * | 2022-07-20 | 2022-11-22 | 成都理工大学 | 一种Janus结构水凝胶用于压裂返排液脱盐降污的处理方法 |
| CN115367829B (zh) * | 2022-07-20 | 2023-09-15 | 成都理工大学 | 一种Janus结构水凝胶用于压裂返排液脱盐降污的处理方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103861472B (zh) | 一种氨基改性氧化石墨烯复合正渗透膜的制备方法 | |
| CN110003509B (zh) | 一种具有光热转化功能的石墨烯/纳米纤维杂化凝胶膜的制备方法 | |
| CN114672117B (zh) | 具有压电性能的高分子水凝胶膜及其制备和应用 | |
| CN113769669B (zh) | 一种离子交联的粘土气凝胶材料、制备方法及其应用 | |
| CN111892742A (zh) | 一种光热转化高分子太阳能吸收材料及其制备方法和应用 | |
| CN113815072A (zh) | 一种用于光热净化污水的木基复合材料及其制备方法和应用 | |
| CN114405421B (zh) | 一种纤维素纳米纤维气凝胶光热界面水蒸发材料及其制备方法 | |
| CN114044918A (zh) | 一种多孔结构的假酸浆胶/聚乙烯醇复合水凝胶的制备方法 | |
| CN115367829B (zh) | 一种Janus结构水凝胶用于压裂返排液脱盐降污的处理方法 | |
| CN114920979B (zh) | 一种改性木质素基生物质凝胶及其制备方法 | |
| CN114230849A (zh) | 一种具有高效光热转换的多孔气凝胶制备方法 | |
| CN115636954A (zh) | 一种具有高机械强度的超弹性双层光热水凝胶及其制备方法和应用 | |
| CN111204829B (zh) | 基于废纸和石墨的太阳能污水净化气凝胶及其制备方法 | |
| CN113754920A (zh) | 一种聚酰亚胺复合气凝胶、制备方法及其作为太阳能蒸发器的应用 | |
| CN114392698B (zh) | 一种高稳定性的光热水凝胶海绵及其制备方法和应用 | |
| CN112510235A (zh) | 一种聚乙烯醇-细菌纤维素三明治结构式碱性阴离子交换膜、制备与应用 | |
| CN114350030B (zh) | 一种生物质基气凝胶光热材料及其制备方法与应用 | |
| CN109647295B (zh) | 一种海藻酸钠/n-琥珀酰壳聚糖复合气凝胶及其制备方法和应用 | |
| CN111346576A (zh) | 一种三维网络结构的石墨烯基水凝胶的制备方法及其光热脱盐水处理应用 | |
| CN113024884B (zh) | 一种可实现高太阳能蒸发速率的复合四元水凝胶及制备方法 | |
| CN111635604B (zh) | 一种天然胶体复合的水凝胶及其制备方法、应用 | |
| CN116216824B (zh) | 一种水凝胶型界面光热蒸发器及其制备与应用方法 | |
| CN214570875U (zh) | 一种保证高蒸发速率的太阳能蒸发系统 | |
| CN110624496B (zh) | 一种用于有机废水净化的多孔氮化硼基复合材料的制备方法 | |
| CN116102777B (zh) | 一种多孔的双网络空气水凝胶及其制备和应用 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220215 |