1、Mild photochemical surface modification of fluoropolymer by aliphatic

Patterned modification of PTFE was achieved by using photomask. Modified PTFE films showed better wettability and adhesion strength. This method is also applicable to other perfluorinated polymers such as FEP.

2、Fluoropolymer Nanoparticles Synthesized via Reversible

Researchers have applied RDRPs to the fabrication of FPNPs, enabling the construction of particles with improved complexity in terms of structure, composition, morphology, and functionality. Related examples can be classified into three categories.

3、PVDF‐Based Fluoropolymer Modifications via Photoinduced Atom Transfer

This minireview highlights the progress in PVDF-based fluoropolymer modifications by using photoinduced Cu (II)-mediated ATRP and organocatalyzed ATRP. The challenges and opportunities are proposed with the aim at advancing the development of synthesis and applications of fluoropolymer.

Mechanochemical pathway for converting fluoropolymers to

We present a mechanochemical protocol that decomposes PVDF to generate KF as a nucleophilic fluorinating agent. As an advantage over traditional batch reactions, mechanochemical protocols can be...

The Application of Controlled/Living Radical Polymerization in

Controlled/living radical polymerization (CRP) and related techniques have become a powerful approach to tailoring the chemical and physical properties of materials and have given rise to great advances in modification of PVDF-based fluoropolymers.

Synthesis of fluorinated polymers by chemical modification

Secondly, fluoropolymers can be prepared through polymer modification reactions that incorporate fluorine atoms or fluorine-containing moieties into a non-fluorinated parent polymer. Many commercially available fluoropolymers are prepared by the polymerization of fluorinated monomers.

Toward Enhancing the Surface Adhesion of Fluoropolymer

This review delves into the intricacies of adhesion assessment and explores the current status and challenges of physical and chemical modification strategies, as well as innovative green solutions, and computational approaches to enhancing fluoropolymer adhesion.

Fluoropolymer Composites from Partially Perfluoroalkylated Waste

Chemically modified plastics have emerged as practical solutions to plastic waste increases. The inherent novelty of decorating polymer chains with chemical functionality results in distinct properties that expand the available application space.

Graft Modification of PVDF

Compared with the physical blending and the direct copolymerization approaches, significant advantages have been witnessed by employing the graft modification method, which provides an easy and efficient way to obtain well-defined fluoro-copolymer with precise compositions.

Molecular activation of fluoropolymer membranes via base piranha

In this work, we introduce the reliable and direct method to turn selectively the inert bonds of fluoropolymer material to labile ones furnished for further modification.

In the modern field of material science, fluoropolymers are highly favored due to their excellent physical and chemical properties. With advancements in technology and diversified industrial demands, the performance requirements for fluoropolymers have increasingly risen. modifying fluoropolymers to enhance their properties has become a critical topic. This paper explores the importance, methods, and applications of fluoropolymer modification, aiming to provide references for research and application in relevant fields.

1. Importance of Fluoropolymer Modification

Fluoropolymers are high-performance polymer materials renowned for their exceptional temperature resistance, corrosion resistance, electrical insulation, and processability. due to inherent molecular structure limitations, their performance under specific conditions—such as stability at high temperatures or mechanical strength—may be inadequate. Modification can effectively improve these properties, enabling fluoropolymers to better meet practical application demands.

2. Methods of Fluoropolymer Modification

1. Filler Modification Filler modification involves adding inorganic or organic fillers to improve fluoropolymer properties. For example, glass fibers enhance mechanical strength, carbon nanotubes significantly boost electrical conductivity and thermal stability, and natural mineral fillers like diatomaceous earth improve wear and corrosion resistance. Interactions between fillers and the matrix effectively distribute stress and enhance mechanical properties.

2. Blending Modification Blending modification combines two or more polymers with different properties to create composites with optimized overall performance. By adjusting component ratios and compatibility, fluoropolymer properties can be precisely tailored. For instance, blending polytetrafluoroethylene (PTFE) with Nylon 66 yields composites that retain PTFE’s high-temperature resistance while gaining Nylon 66’s superior processability.

3. Grafting Modification Grafting introduces new functional groups or chains into fluoropolymer molecules to enhance specific properties. For example, incorporating polyetheretherketone (PEEK) via grafting produces composites that combine fluoropolymer’s heat and electrical resistance with PEEK’s high strength and toughness.

4. Crosslinking Modification Crosslinking modifies fluoropolymers by forming three-dimensional networks through chemical or radiation methods, improving mechanical and thermal properties. For example, ultraviolet-induced crosslinking introduces bonding sites, enhancing strength and temperature resistance.

3. Applications of Fluoropolymer Modification

1. High-Performance Coatings Modified fluoropolymer coatings excel in corrosion and wear resistance, suitable for marine equipment, chemical devices, and other fields. By adding fillers or crosslinking agents, functional coatings like anti-fouling or防腐coatings can be developed.

2. High-Temperature Electronic Devices Modified fluoropolymers with enhanced electrical insulation and thermal stability are ideal for high-temperature electronics. Filler- and crosslinking-modified materials can be used for high-temperature electronic encapsulants and thermally conductive materials.

3. High-Performance Filtration Materials Modified fluoropolymers offer excellent filtration efficiency and durability, suitable for air and liquid filters. Grafting and blending modifications enable tailored porosity structures for diverse applications.

4. Biomedical Materials Fluoropolymer-based materials with modified biocompatibility and biodegradability are promising for biomedical use. Antibacterial wound dressings and bone repair materials can be developed through grafting and crosslinking techniques.

fluoropolymer modification is a technologically promising field. Methods such as filling, blending, grafting, and crosslinking significantly enhance performance, expanding applications across industries. With ongoing advances in material science, innovative and practical fluoropolymer-modified products are expected to emerge, further contributing to human progress.