1、Multi

UP/UA synergy boosts flavonoid adsorption via multi-mechanism physical modification. Ultrasound may effectively enhance mass transfer in macroporous resin adsorption/desorption for flavonoid purification.

2、Research progress of modified macroporous adsorption resin in

modification of macroporous adsorption resin is an ideal way to improve its separation efficiency and selectivity. In this paper, recent advances in the preparation of modified macroporous adsorption r

3、改性大孔吸附树脂（LX1180）的制备及吸附研究,Polymer

This work focused on the research of carboxylation modification of nonpolar macropolar adsorption resin (MAR) (LX1180) and its adsorption properties. Under optimization conditions a MAR with carboxylation degree of 23.10% (g/g, expressed as C 7 H 6 NO 2) was obtained.

4、Preparation and Adsorption Research of the Modification Macroporous

This work focused on the research of carboxylation modification of nonpolar macropolar adsorption resin (MAR) (LX1180) and its adsorption properties. Under optimization conditions a MAR with carboxylation degree of 23.10% (g/g, expressed as C 7 H 6 NO 2) was obtained.

Research progress of modified macroporous adsorption resin in

The functional modification of macroporous adsorption resin is an ideal way to improve its separation efficiency and selectivity.

Guide for application of macroporous adsorption resins in

As a highly selective, recoverable, and low-cost process, macroporous resins (MPRs) are of interest for the purification of bioactive components from natural products.

Ultrasonic

The present study presents an attempt to modify the surface properties of macroporous resins (MRs) in order to improve anthocyanin adsorption and desorption from Pyrus communis var Starkrimson fruit peel extract.

Macroporous Resin

Macroporous adsorption resins (MARs) are widely used for preparative-scale flavonoid purification, yet rational resin selection remains difficult because flavonoids differ substantially in hydrophobicity, hydrogen-bonding capacity, molecular size, and planarity.

Modification and adsorption Research of Highly Crosslinking Macroporous

As a potentially powerful separation material, macroporous absorption resin (MAR) has displayed a robust development prospect and been extensively used in many fields. To promote the application and theoretical study in special situation, the modification of MAR was always adopted.

Modified macroporous adsorption resins with amino and acetyl groups

Under bubble with air compressor, macroporous adsorption resin was functionalized with amino and acetyl groups. The method avoided the fragmentation of the resin during modification. Alizarin yellow GG (AYGG) was used as an adsorbate to investigate adsorption kinetics of the modified resins.

In the development of modern science and technology, macroporous adsorption resins (MARs) have emerged as highly efficient materials for separation and purification, with expanding applications in chemistry, biology, pharmaceuticals, and other fields. MARs are prized for their unique physical and chemical properties, including high specific surface area, robust mechanical strength, regenerability, and excellent adsorption capacity. These characteristics make them a critical tool for improving material properties and enhancing production efficiency. This article explores methods for modifying MARs and their potential applications in practice.

I. Definition and Characteristics of Macroporous Adsorption Resins

Macroporous adsorption resins are polymeric compounds with a porous structure, typically featuring pore sizes ranging from 1 to 50 nm. This structure provides a large surface area, enabling the adsorption of significant quantities of substances. Key characteristics of MARs include high adsorption capacity, selectivity, regenerability, and strong chemical and thermal stability.

II. Modification Methods for Macroporous Adsorption Resins

1. Surface Modification

Surface modification is one of the most common approaches to altering MAR properties. By introducing functional groups (e.g., carboxyl or amino groups) onto the resin surface through grafting or covalent bonding, the adsorption capacity and selectivity for specific substances can be enhanced. For example, functionalized resins can interact with target ligands or ions, enabling selective adsorption of specific molecules.

2. Addition of Fillers

Incorporating fillers (e.g., inorganic oxides or organic polymers) into the resin matrix is another effective modification strategy. Fillers improve mechanical strength and thermal stability by forming stable composites with the resin. Additionally, they can interact with surface functional groups to further optimize performance.

3. Use of Crosslinking Agents

Crosslinking agents play a critical role in modifying MARs. By introducing crosslinking agents, the three-dimensional network structure of the resin is strengthened, enhancing mechanical stability. The type and dosage of crosslinking agents must be carefully selected to tailor the resin’s properties for specific applications.

III. Applications of Modified Macroporous Adsorption Resins

1. Environmental Protection

In environmental engineering, modified MARs are widely used for wastewater treatment and air purification. Surface modifications or filler additions can significantly improve adsorption of pollutants, effectively removing hazardous substances from water and air.

2. Drug Development

Modified MARs are also explored as novel drug delivery systems. By introducing specific ligands or ions onto the resin surface, drugs can be encapsulated and released in a controlled manner, optimizing therapeutic efficacy and safety.

3. Energy Applications

In the energy sector, modified MARs are employed in gas separation and energy storage materials. Customized fillers and crosslinking agents enable the creation of high-performance gas separation membranes and batteries, supporting advancements in clean energy technologies.

Modification of macroporous adsorption resins offers an efficient and environmentally friendly approach to material processing in modern science and industry. Techniques such as surface modification, filler addition, and crosslinking allow tailored optimization of resin properties for diverse applications. As technology advances, MAR modification will continue to play a vital role in driving innovation and addressing global challenges.