聚合物基复合材料自修复的研究进展

人体自我修复词汇1.Research Progress In Self-Healing Polymer Composites聚合物基自修复复合材料的研究进展2.Experimental Research On Intelligent Self-Monitoring And Self-Repairing Of Concrete Beam With SMA;SMA复合混凝土梁智能自监测目修复试验研究3.Study On The Self-Healing Polymer Material With Microcapsulated Healing Agent;基于微胶囊技术的自修复材料的研究4.Functional Mechanism And Experimental Research OfSelf-Repairing Concrete;自修复混凝土的工作机理及试验研究5.Study Of PS/PDMS Self-Healing Material;聚苯乙烯/PDMS共聚物自修复材料的研究6.Bending Test Of Biomimetic Self-Repair Concrete Pole仿生自修复混凝土梁的弯曲试验研究7.Function Point Slicing Model For IT System Self-Healing 用于IT系统自修复的功能点切片模型8.Self-Monitoring And Repairing Based On Crack Of Concrete Beam Embedded With SMASMA混凝土梁的裂缝监测及自修复9.Synthetic And Characterization Of Microcapsules For Self-Healing Polymer Composite;复合材料自修复用微胶囊的制备及性能表征10.Wearing Self-Repairing And Tribological Properties Of Al Complex Ad ditives铝复合添加剂的磨损自修复和摩擦学特性。

自修复环氧防腐涂层的研究进展目录1. 内容综述 (2)1.1 研究背景与意义 (3)1.2 国内外研究现状概述 (4)2. 自修复环氧防腐涂层材料的设计与制备 (5)2.1 材料选择与改进 (6)2.2 涂层制备方法与优化 (8)2.3 涂层性能评价标准建立 (8)3. 自修复环氧防腐涂层的机理研究 (9)3.1 自修复机制的探究 (10)3.2 防腐效果的评估方法 (12)3.3 涂层与基材的界面结合分析 (13)4. 自修复环氧防腐涂层在典型环境中的应用 (14)4.1 在金属腐蚀环境中的应用 (15)4.2 在化工环境污染环境中的应用 (17)4.3 在海洋工程防腐环境中的应用 (18)5. 自修复环氧防腐涂层的性能改进与优化 (18)5.1 提高耐磨性、耐腐蚀性和耐候性 (20)5.2 优化涂层结构与成分以提高整体性能 (21)5.3 涂层的多功能化与集成化研究 (22)6. 实际应用案例分析 (23)6.1 工程实例介绍 (25)6.2 应用效果与评价 (26)6.3 经验教训与发展建议 (27)7. 结论与展望 (28)7.1 研究成果总结 (29)7.2 存在问题与挑战 (31)7.3 未来发展方向与前景展望 (32)1. 内容综述随着科技的不断发展，自修复环氧防腐涂层作为一种新型环保型涂料，逐渐受到人们的关注和重视。

自修复环氧防腐涂层具有优异的耐磨、耐腐蚀、抗老化等性能，能够有效地延长物体的使用寿命，降低维修成本，减少对环境的污染。

国内外学者在自修复环氧防腐涂层的研究方面取得了一系列重要进展。

自修复环氧防腐涂层的制备工艺得到了不断的优化，研究人员通过采用不同的成膜基料、添加剂和分散剂等，成功地实现了不同类型自修复环氧防腐涂层的制备。

还研究了纳米颗粒、微米级颗粒等特殊功能填料在自修复环氧防腐涂层中的应用，进一步提高了涂层的性能。

自修复环氧防腐涂层的性能研究取得了显著成果，研究人员通过对不同种类的自修复环氧防腐涂层进行对比试验，发现其具有较高的抗划伤性、耐磨性和耐腐蚀性，能够有效抵抗各种恶劣环境的侵蚀。

混凝土自我修复技术的革命：重塑建筑的未来在现代建筑领域，混凝土作为一种广泛使用的建筑材料，其耐久性和可持续性一直是工程师和科学家们关注的焦点。

近年来，随着自我修复技术的出现，这一领域迎来了一场革命。

自我修复混凝土通过模拟生物体的自愈能力，能够在受到损伤后自动恢复其结构和功能，这一概念不仅令人着迷，更具有改变游戏规则的潜力。

自我修复技术的核心在于其能够在混凝土结构中嵌入一种特殊的“愈合剂”，这种愈合剂在裂缝形成时被激活，进而填充裂缝并恢复混凝土的原始机械特性。

这一过程可以分为两个主要类型：自主修复和工程修复。

自主修复依赖于水泥基复合材料固有的机制，而工程修复则是一个经过设计的工程过程。

尽管这一领域的研究工作已经取得了大量进展，但自我修复技术的潜力尚未完全实现。

自我修复技术的发展，不仅仅是对传统建筑材料的一种补充，它更是对建筑行业可持续发展理念的一种践行。

通过在混凝土中添加如包裹聚合物、矿物质或细菌等愈合剂，可以在特定条件下触发自我修复过程。

例如，当裂缝打开胶囊时，释放的愈合剂就会启动修复机制。

此外，通过添加矿物质添加剂、结晶性掺合料、超吸水剂或其他聚合物，可以刺激自主修复过程。

这种智能的修复方法不仅能够延长混凝土结构的使用寿命，还能减少对环境不友好的修复材料的使用。

在自我修复技术的研究中，环境因素和材料特性的相互作用是关键。

例如，环境友好的细菌如芽孢杆菌可以替代常用的环氧树脂和丙烯酸树脂等修复材料，这些材料不仅对环境不友好，而且可能导致混凝土与修复材料之间的裂缝和剥离。

此外，自我修复的智能方法还包括通过内部或添加化学物质来提供钙离子，这有助于刺激裂缝愈合过程。

自我修复技术的有效性评估通常涉及对恢复的相关机械特性的评估。

在压缩、弯曲和扭转测试中，自我修复混凝土试样的应力-应变关系显示出在损伤后经过愈合处理，其强度恢复率可以达到显著的水平。

这些结果表明，自我修复技术不仅能够提高结构的耐久性，还能够在一定程度上恢复材料的性能。

FEATURE ARTICLESelf-healing Polymers and CompositesCapsules, circulatory systems and chemistry allow materials to fix themselvesScott R. White, Benjamin J. Blaiszik, Sharlotte L. B. Kramer, Solar C. Olugebefola, Jeffrey S. Moore, Nancy R. SottosNothing lasts forever. Any humanmade material, used in anything from toys to bridges, will eventually fail, if not maintainedand repaired. Traditionally, this problem has been addressed through extensive inspection and expensive replacement ofdamaged parts. Biological systems, however, have evolved to include alternative ways to repair internal and external damagevia healing mechanisms. Materials researchers worldwide, including those in our group, have been working on methods tomimic these healing abilities in polymers, composites and other synthetic materials. Such self-healing materials, whentriggered by a crack or tear, can repair themselves and recover their original functionality using only the materials that areinherently available to them. They offer a new means to achieve safer and longer-lasting products and components, and signala shift in the traditional paradigms of material design and engineering.The guiding principles for synthetic self-healing are seen in biological systems. Damage that causes injury triggers the firstresponse, inflammation and blood clotting. This initiating step is followed by cell proliferation at the site of injury, whichdeposits a matrix for the repair. The final stage of healing, matrix remodeling, is the regrowth of new tissue to fill in the wound. This process can take place over a longer period, months to possibly years, depending on the severity of the injury.In synthetic systems, there is a similar cascade of events, but it is more simplistic and takes place at a faster rate. At first, damage actuates the start of the process, then new materials are transported to the site rapidly, and healing occurs as the material reacts to form an adhesive bond with the damaged area. Most often the healing agent is made of two types of liquid materials that solidify when mixed. Finally comes a chemical repair process, analogous to matrix remodeling; its timescale varies depending on the type of healing mechanism, but it occurs in the range of hours to several days at most. The goal ofself-healing is to match the rate of repair with that of the damage, thereby achieving a state of stasis in the material. The rate of damage is largely controlled by external factors, such as the material’s strain rate, how frequently it experiences loading and the magnitude of the loading. However, the healing rate can be adjusted by, for example, varying temperature or chemical- reaction rates through control of raw-material types and concentrations.Research on self-healing materials is relatively new, with most of the progress coming within the last decade.Although in theory any material can self-heal, the results for polymers and fiber-reinforced composites arerelatively more mature in comparison with efforts in ceramics, metals and other materials. Whatever the classof material, self-healing mechanisms can be broadly classified into three groups: capsule-based, vascular andintrinsic. Each group differs by the method used to sequester the material’s healing functionality until it istriggered by damage. The groups also vary by the different amounts of damaged volume that they can heal,as well as the repeatability of healing in the same location and the rate of healing. Thus each approach has itsown challenges and advantages.Capsule-based materials incorporate a healing agent that is held and protected in discrete spherical shells,which are ruptured by damage. The self-healing mechanism is activated by the release and reaction of thehealing agent at the damage site. However, after release, the healing agent is depleted, so it only works for asingle local healing.Vascular materials carry the healing agent in a network of capillaries or hollow channels, which may be singletubes, discrete planes of interconnected tubes, or three-dimensional networks of channels. When damageruptures the vasculature and delivers the healing agent, the network can be refilled (either from an externalsource or from undamaged, connected channels), so it can support multiple local-healing events.Intrinsic materials instead have a latent self-healing ability, usually built into the chemical network of thepolymer material, rather than a separate, sequestered healing agent. They rely on repairs made through molecular-scale mechanisms, such as hydrogen bonding, ionic interactions or polymer-chain mobility and entanglement. Each of these mechanisms is reversible, making multiple healings possible.Raw MaterialsFor capsule-based materials, there are a number of techniques for creating polymer shell walls that protect the reactivematerials inside them. The most common methods involve forming a shell at the interface of droplets in an oil-in-wateremulsion. In this case, the resulting shell will be thin and brittle, like that of an egg, and it will rupture when force is applied.Another procedure involves emulsifying a melted polymer so that it forms droplets, which are then solidified by a temperaturechange or by the removal of a solvent, creating a thick protective sphere around the core. Once the healing agent is protectedinside capsules, the next step is to incorporate them into a polymer. In practice, capsules have been shown to survive shearforces, temperature changes and other processing conditions encountered during mixing with various matrices, or bodymaterials, at multiple scales. After the capsules are integrated, the composite material can be characterized, as the capsulescan affect the mechanical properties of the material, such as its strength, fracture toughness and elasticity. The effectivenessof the triggering mechanism and healing performance can be validated after the fact using a number of imaging methods, suchas optical microscopy, infrared or x-ray spectroscopy, or scanning electron microscopy.Each healing event requires at least two materials: the healing agent and a polymerizer, which makes it solidify. With capsules,several arrangements can be used to ensure that the materials don’t come into contact until healing is needed. In all cases,the healing agent is placed in capsules, but there are different methods for incorporating the polymerizer. For instance, thecatalyst simply can be distributed freely through the bulk of the main material. Several types of materials, including epoxiesand fiber-reinforced composites, have been tried with this arrangement, and our group has found that the resulting materialshave high healing efficiencies and have extended lifespans when subjected to fatigue loading. A variation on this method is toenclose the polymerizer in wax spheres that protect the relatively sensitive chemical from the harsh matrix environment.Another approach is to sequester both the healing agent and the polymerizer in separate capsules. This method provesparticularly useful when there are more than two materials required in order to make a repair. The capsules for the differentYou can find this online at /issues/num2/2011/5/self-healing-polymers-and-composites/1© Sigma Xi, The Scientific Research SocietyBelow is given annual work summary, do not need friends can download after editor deleted Welcome to visit againXXXX annual work summaryDear every leader, colleagues:Look back end of XXXX, XXXX years of work, have the joy of success in your work, have a collaboration with colleagues, working hard, also have disappointed when encountered difficulties and setbacks. Imperceptible in tense and orderly to be over a year, a year, under the loving care and guidance of the leadership of the company, under the support and help of colleagues, through their own efforts, various aspects have made certain progress, better to complete the job. For better work, sum up experience and lessons, will now work a brief summary.To continuously strengthen learning, improve their comprehensive quality. With good comprehensive quality is the precondition of completes the labor of duty and conditions. A year always put learning in the important position, trying to improve their comprehensive quality. Continuous learning professional skills, learn from surrounding colleagues with rich work experience, equip themselves with knowledge, the expanded aspect of knowledge, efforts to improve their comprehensive quality.The second Do best, strictly perform their responsibilities. Set up the company, to maximize the customer to the satisfaction of the company's products, do a good job in technical services and product promotion to the company. And collected on the properties of the products of the company, in order to make improvement in time, make the products better meet the using demand of the scene.Three to learn to be good at communication, coordinating assistance. On‐site technical service personnel should not only have strong professional technology, should also have good communication ability, a lot of a product due to improper operation to appear problem, but often not customers reflect the quality of no, so this time we need to find out the crux, and customer communication, standardized operation, to avoid customer's mistrust of the products and even the damage of the company's image. Some experiences in the past work, mentality is very important in the work, work to have passion, keep the smile of sunshine, can close the distance between people, easy to communicate with the customer. Do better in the daily work to communicate with customers and achieve customer satisfaction, excellent technical service every time, on behalf of the customer on our products much a understanding and trust.Fourth, we need to continue to learn professional knowledge, do practical grasp skilled operation. Over the past year, through continuous learning and fumble, studied the gas generation, collection and methods, gradually familiar with and master the company introduced the working principle, operation method of gas machine. With the help of the department leaders and colleagues, familiar with and master the launch of the division principle, debugging method of the control system, and to wuhan Chen Guchong garbage power plant of gas machine control system transformation, learn to debug, accumulated some experience. All in all, over the past year, did some work, have also made some achievements, but the results can only represent the past, there are some problems to work, can't meet the higher requirements. In the future work, I must develop the oneself advantage, lack of correct, foster strengths and circumvent weaknesses, for greater achievements. Looking forward to XXXX years of work, I'll be more efforts, constant progress in their jobs, make greater achievements. Every year I have progress, the growth of believe will get greater returns, I will my biggest contribution to the development of the company, believe inyourself do better next year!I wish you all work study progress in the year to come.。

石墨烯／聚氨酯复合材料的研究进展石墨烯体现出独有的二维结构和优良导热性、导电性，正是这种良好性能的存在，使其与聚氨酯复合的时候诞生出新型功能的高分子材料，体现出广阔的发展前景。

本文将重点分析石墨烯及聚氨酯复合材料的研究进展，结合石墨烯和聚氨酯复合材料的制备方式，明确其具体的应用领域。

标签：石墨烯；聚氨酯；复合材料；研究进展石墨烯主要是由单层碳原子凭借着sp2杂化的方式连接起蜂窝状的二维平面材料，拥有着巨大的比表面积，同时体现出良好的电热学性能及导热系数。

良好性能和二维结构使得复合材料成为国内外争相研究的热点。

聚氨酯属于分子结构中包含软段及硬段的嵌段共聚物，因此制备材料的可选范围较广，同时相对应的结构灵活多变，具体的产品性能千变万化。

石墨烯和聚氨酯实现复合的材料属于一个新的尝试，是石墨烯一個迈向实际应用的研究趋势，在相对应的结构、性能等方面彰显出优异特性，在短时间内成为了功能性复合材料的研究热点。

一、石墨烯/聚氨酯复合材料的制备石墨烯本身的性能优异，因此制备的过程所产生的成本相对低廉，在改性之后的石墨烯可以适当的采用溶液加工方式加以处理，同时适用在开发功能性聚合物复合材料中。

（一）共混法，这种方式主要是制备石墨烯/聚氨酯复合材料，而且属于最简便的方式，通过将溶液共混、熔融共混等完成制备。

共混之前，还是应该对石墨烯做好表面的处理，这样就能适当的提升复合体系中的分散性。

有专家学者使用溶液共混的方式，将GO和PU进行复合，同时适当的加入少量肼进行加热处理。

合理的利用还原氧化石墨烯中的含氧官能团实现与PU链端的酰胺基团形成氢键，保证rGO 在体系中实现分子级的分散。

经过一系列的操作，使得复合材料的弹性模量提升了21倍，相对应的拉伸强度也提升了9倍。

（二）接枝共聚法，接枝共聚法主要是在聚氨酯分子完成了相应的聚合之后，与表面已经接受过处理的石墨烯形成相对稳定的化学键。

有专家学者运用重氮化对氧化石墨烯开始展开功能化的处理，然后和异氰酸酯封端的聚氨酯预聚体实现有效的接枝共聚，制备出功能化的石墨烯/聚氨酯纳米复合材料。

化工进展Chemical Industry and Engineering Progress2023 年第 42 卷第 7 期基于动态共价键自修复的光固化高分子材料研究进展余希希1，张金帅2，雷文1，刘承果2（1 南京林业大学理学院, 江苏 南京 210037；2 中国林业科学研究院林产化学工业研究所，江苏 南京 210042）摘要：光固化技术的高效、适应性广、经济、节能与环境友好等特点使得近年来光固化高分子材料在人类生产生活中被广泛应用。

然而，光固化高分子材料的结构稳定性使得材料表面或内部一旦出现破损便难以修复，造成大量资源浪费与环境污染。

动态共价键可以在外界刺激作用下（光照、加热等）发生可逆的断裂和重组，从而导致分子拓扑结构的动态调整，赋予光固化高分子材料结构可调整、可循环利用和自修复性能等。

本文综述了近些年来基于酯键、Diels-Alder 反应、二硫键、硼酸酯键、位阻脲键等可逆共价键自修复的光固化高分子材料设计与制备，对近年来不同类型动态共价键光固化高分子材料的优缺点和应用进行了评述，最后指出动态共价键光固化高分子材料力学性能的弱势以及基于动态共价键修复的单一性，并对该领域未来的研究方向作了展望。

关键词：动态共价键；修复；光固化；聚合物；合成中图分类号：TB381 文献标志码：A 文章编号：1000-6613（2023）07-3589-11Research progress of self-healing photocuring polymeric materials basedon dynamic covalent bondsYU Xixi 1，ZHANG Jinshuai 2，LEI Wen 1，LIU Chengguo 2(1 College of Science, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; 2 Institute of Chemical, Industry ofForest Products, Chinese Academy of Foresty, Nanjing 210042, Jiangsu, China)Abstract: Photocuring technology is highly efficient, adaptable, economical, energy-saving and environmentally friendly, making photocuring polymeric materials widely used in human production and life in recent years. However, the structural stability of Photocuring polymeric polymers makes it difficultto repair the materials once they are broken on the surface or inside, resulting in a large amount of wasted resources and environmental pollution. Dynamic covalent bonds can be reversibly broken and reorganized under the action of external stimuli (light, heating, etc .), which leads to dynamic adjustment of molecular topology and gives light-cured polymer materials structural adjustability, recyclability and self-healing properties. This paper reviewed the design and preparation of photocuring polymeric materials based on ester bonds, Diels-Alder reaction, disulfide bonds, borate ester bonds, site-resistant urea bonds and other reversible covalent bond self-repairs in recent years, summarized the advantages, disadvantages andapplications of different types of dynamically covalently bonded photocuring polymeric materials in recent综述与专论DOI ：10.16085/j.issn.1000-6613.2022-1608收稿日期：2022-08-31；修改稿日期：2022-10-23。