1、IgG

Here, we describe a chromatographic purification of antibodies utilizing a pH-responsive mixed-charge polymer that mimics the IgG-binding peptide (Z34C) derived from the B domain of protein A.

2、改性树脂_化工百科

改性树脂是一种经过化学改性处理的树脂材料，具有特定的性质和用途。 下面是关于改性树脂的性质、用途、制法和一些安全信息的介绍： - 改性树脂具有较优异的物理性质和化学稳定性，可以满足特定的需求。 - 常见的改性树脂可以提供良好的耐久性、抗化学腐蚀性能、耐高温性以及力学性能的改进。 - 改性树脂还可以通过调整其溶解度、粘度、硬度和弹性等性质来满足不同的应用要求。 - 改性树脂广泛应用于涂料、胶黏剂、塑料、纤维等领域。 - 涂料中的改性树脂可以提供优异的附着性、耐候性、抗刮擦性和耐化学腐蚀性。 - 在胶黏剂中，改性树脂可提供高粘接强度、耐化学腐蚀性和优异的耐热性能。 - 在塑料领域，改性树脂可以改善塑料的机械性能、热稳定性和可加工 …

3、多巴胺接枝的纳米氮化硼改性环氧树脂绝缘表面电荷高频消散

该文采用多巴胺接枝的纳米氮化硼 (h-BN)改性制备了环氧树脂复合材料,重点考察绝缘表面电荷的高频消散特性。 受耗散时间、高频致热效应及深陷阱能级的影响,高频下的绝缘表面电荷不易消散,而引入多巴胺接枝的BN可有效提升环氧树脂复合绝缘的电荷消散速率。 具体结果表明,掺杂质量分数为10%时,电荷消散速率达到最大值62.15%,相较于纯EP提高了19.41%,与此同时高频沿面闪络电压比纯EP提高了14.73%。 其提升机理主要缘于两个方面:一是BN表面接枝的氨基增强了填料与基体的相容性,形成的三维交联网络拓宽了电荷消散路径;二是材料表层浅陷阱密度的提高,使得载流子易通过隧穿效应参与到电导过程,提高了载流子迁移率;此二者协同作用有效提高了表面电荷的高频消 …

4、IgG

Here, we describe a chromatographic purification of antibodies utilizing a pH-responsive mixed-charge polymer that mimics the IgG-binding peptide (Z34C) derived from the B domain of protein A.

5、Structural Insights into Space Charge Control: The Impact of Monomer

ME-DDM increases shallow charge traps, which improves charge mobility and helps charges move and disperse faster. Additionally, ME-DDM enhances electron attraction, boosting DC breakdown strength and overall insulation performance.

Improvement in the charge dissipation performance of epoxy resin

To restrain the surface charge accumulation of the epoxy resin (EP) applied in the high-voltage power field, one of the efficient methods is to dissipate the charges on the EP surface by incorporating inorganic filler.

IgG

Here, we describe a chromatographic purification of antibodies utilizing a pH-responsive mixed-charge polymer that mimics the IgG-binding peptide (Z34C) derived from the B domain of protein A.

A comprehensive review on modified phenolic resin composites for

Current research on PR modification emphasizes both physical methods, including filler enhancement and fiber reinforcement, and chemical methods, such as copolymerization, grafting, and cross-linking.

Space Charge Characteristics of Epoxy/BN@SiO

Space charge is a main factor to threat the insulation under high electric stress. This paper studies the space charge characteristics of Epoxy/BN@SiO2 nanocomposites, which is potential to use in SST.

Modified resin_化工百科

改性树脂是一种经过化学改性处理的树脂材料，具有特定的性质和用途。 下面是关于改性树脂的性质、用途、制法和一些安全信息的介绍： - 改性树脂具有较优异的物理性质和化学稳定性，可以满足特定的需求。 - 常见的改性树脂可以提供良好的耐久性、抗化学腐蚀性能、耐高温性以及力学性能的改进。 - 改性树脂还可以通过调整其溶解度、粘度、硬度和弹性等性质来满足不同的应用要求。 - 改性树脂广泛应用于涂料、胶黏剂、塑料、纤维等领域。 - 涂料中的改性树脂可以提供优异的附着性、耐候性、抗刮擦性和耐化学腐蚀性。 - 在胶黏剂中，改性树脂可提供高粘接强度、耐化学腐蚀性和优异的耐热性能。 - 在塑料领域，改性树脂可以改善塑料的机械性能、热稳定性和可加工 …

In modern materials science, charge-modified resins represent a class of materials with unique physicochemical properties. They achieve specific functionalities by introducing or altering the charge distribution within polymer molecules. These resins are not only widely used in traditional industries such as coatings, adhesives, and insulating materials but also hold significant potential in fields like electronics, biomedicine, and energy. This article explores the definition, classification, preparation methods, and applications of charge-modified resins in detail.

Definition and Characteristics of Charge-Modified Resins

Charge-modified resins refer to polymeric compounds whose molecular structures are chemically or physically altered to modify charge distribution, thereby imparting specific electrical properties. These resins typically exhibit high electrical conductivity, excellent stability, and reversibility, enabling charge transport and collection under external electric fields.

Main Types and Preparation Methods

1. Ionic Charge-Modified Resins

Ionic charge-modified resins are obtained by incorporating charged groups or ions into the polymer matrix. Common preparation methods include:

• Anionic Resins: Achieved by introducing negatively charged groups (e.g., sulfate or phosphate groups) during polymerization. For example, epoxy resins can be cured with organic acid anhydrides containing negative charges.
• Cationic Resins: Produced by incorporating positively charged groups (e.g., quaternary ammonium salts or amine groups) during polymerization. For instance, polyvinyl alcohol can be synthesized using positively charged monomers like trimethylammonium chloride.

2. Non-Ionic Charge-Modified Resins

Non-ionic charge-modified resins are designed by introducing neutral groups. Preparation methods include:

• Copolymerization: Incorporating non-ionic groups (e.g., polyether or polyamide groups) via copolymerization reactions.
• Post-Treatment: Chemically modifying pre-polymerized materials to introduce non-ionic groups onto their surfaces.

Application Areas

Due to their distinctive electrical properties, charge-modified resins have diverse applications:

• Electronics Industry: Used in conductive adhesives, conductive coatings, and films to enhance conductivity and reliability of electronic devices.
• New Energy: In solar panels and fuel cells, charge-modified resins improve conductivity and mechanical strength, boosting energy conversion efficiency and stability.
• Biomedical Field: Developed as novel drug carriers that release therapeutics in response to electric fields, improving treatment outcomes.
• Environmental Protection: Employed as adsorbents in water and air purification to enhance pollutant removal efficiency.

As emerging materials, charge-modified resins offer vast potential for functional, intelligent, and sustainable innovations. Through advanced research and application, the development of high-performance charge-modified resins is poised to drive transformation and innovation across industries.