Description
Resin to Prepare PVDF Hollow Fiber Membrane is a high-purity fluoropolymer resin specifically engineered for hollow fiber membrane fabrication. It offers excellent solution stability, precise pore structure control, and outstanding chemical resistance, enabling the production of durable and high-performance membranes for water and wastewater treatment.
Hollow fiber membranes made from PVDF are widely used in advanced water treatment systems due to their high surface area, excellent mechanical strength, and long service life. The quality of the PVDF resin directly determines the membrane's permeability, selectivity, and durability. This resin grade is specifically developed to meet the stringent requirements of hollow fiber membrane manufacturing.
From a processing standpoint, the resin exhibits excellent solubility and rheological stability in commonly used membrane solvents such as NMP, DMAc, and DMF. During dope preparation, it forms homogeneous and stable polymer solutions, reducing the risk of gel formation or phase separation. This stability is essential for continuous hollow fiber spinning and precise control of fiber dimensions.
During the phase inversion process, the optimized molecular structure of this PVDF resin allows fine tuning of pore size distribution and skin-layer thickness. As a result, membranes achieve a balanced combination of high water flux and reliable particle rejection. This is particularly important for applications such as ultrafiltration (UF), microfiltration (MF), and membrane bioreactor (MBR) systems.
In terms of mechanical performance, PVDF hollow fiber membranes produced with this resin demonstrate high tensile strength, fatigue resistance, and burst pressure. These properties help maintain membrane integrity under continuous filtration, backwashing, and air scouring conditions. The resin's thermal stability also supports hot water cleaning and elevated operating temperatures.
Chemical resistance is another key advantage. PVDF membranes exhibit excellent resistance to acids, alkalis, oxidizing agents, and disinfectants such as sodium hypochlorite. This enables frequent chemical cleaning without significant degradation, extending membrane service life and reducing replacement frequency.
Specification
Typical Applications
● Hollow fiber ultrafiltration (UF) membranes
● Hollow fiber microfiltration (MF) membranes
● Membrane bioreactor (MBR) systems
● Municipal water treatment
● Industrial wastewater recycling
● HD9104 grade is an organic polymer membrane prepared by VDF emulsion polymerization, which is available in form of white powder. It can be dissolved in some polar solvents and coated on certain materials under certain temperatures and stirring conditions such as NMP, DMAC. This grade is mainly used in the production of PVDF hollow fiber membranes.
Advantages
● Features: High-purity PVDF resin, controlled molecular weight, excellent solvent compatibility.
● Advantages: Stable hollow fiber spinning, uniform pore structure, strong mechanical properties.
● Benefits: Higher membrane productivity, longer operational life, reduced fouling-related downtime, and lower total operating costs.
● Evidence: PVDF hollow fiber membranes are widely deployed in municipal water treatment and industrial wastewater reuse, with long-term performance validated in full-scale MBR and UF installations.
This resin is suitable for both inside-out and outside-in hollow fiber membrane designs and can be customized to meet specific flux, strength, and chemical resistance requirements.
Characteristics Platform
Quality Control
Packagings
25kg/woven bag, 800kg/pallet
Workshop Gallery
Customer Cases
FAQ
Q1: Why is PVDF preferred for hollow fiber membrane preparation?
A: PVDF offers excellent chemical resistance, mechanical strength, and compatibility with phase inversion processes, making it ideal for hollow fiber membranes.
Q2: Is this PVDF resin suitable for MBR membranes?
A: Yes. It is widely used in MBR hollow fiber membranes due to its durability and cleaning resistance.
Q3: Which solvents are compatible with this PVDF resin?
A: The resin shows excellent solubility in NMP, DMAc, and DMF commonly used in membrane fabrication.
Q4: Can pore size and flux be adjusted using this resin?
A: Yes. Membrane structure can be tailored through formulation and process control while using this PVDF resin.
Q5: Can the resin be customized for specific hollow fiber designs?
A: Yes. Molecular weight and formulation can be adjusted to meet different spinning conditions and performance targets.
Looking for a reliable resin to prepare PVDF hollow fiber membranes?
Contact us today to request technical data sheets, samples, or customized PVDF resin solutions tailored to your membrane production process.
Hot Tags: resin to prepared pvdf hollow fiber membrane, China resin to prepared pvdf hollow fiber membrane manufacturers, suppliers, factory