PyFlon™ (amorphous fluoropolymer) resins have the superior chemical, thermal, electrical and surface properties compared to conventional fluoropolymers like PTFEs due to its unique chemical design. PyFlon™ resins exhibit high optical transparency and good solubility in specific fluorinated solvents and is a viable high performance alternate to Teflon AF and Cytop resins. A unique chemical structure enhances their versatility and distinguishes this class from other fluoropolymers.
PyFlon™ amorphous resins also use solution polymerization instead of conventional emulsion polymerization eliminating the needs of small molecule surfactants in the process.
Features and Benefits
As high-performance fluoropolymer resins, PyFlon™ resins offer chemical resistance and high thermal resistance. The special molecular structure of these amorphous fluoropolymer resins offer additional benefits, which include:
- PFAS (small molecule) Free
- Optical clarity
- Low refractive index
- Exceptional UV stability and transmission capability
- Dimensional stability with high Glass Transition Temperature of 245°C
- High Temperature Performance (Decomposition Temperature (405°C vs PTFE 350°C)
- High Tensile Strength (42-45 MPa)
- Low dielectric constant (1.89 to 1.93), even at gigahertz frequencies
- Low dissipation factor and moisture sensitivity/moisture absorption
- High compressibility and gas permeability
- Solubility in perfluorinated solvents
- High Oxygen Permeability (nearly 2x vs PTFE)
Pyflon Grades
Our innovation team has spent last 7 years developing two grades of PyFlon™ which offer balanced performance to address majority of applications for amorphous fluoropolymers.
PyFlon™ T8
- T8 series, the glass transition temperature is 245°C, and the instantaneous processing temperature of the film/coating can reach 400°C. It is specially suitable for the application of gas permeation, highly hydrophobic and oleophobic coatings in harsh working environments, such as gene sequencing and gene library construction.
PyFlon™ T6
- T6 series, the highest solid content is 10%, the glass transition temperature is 120℃, and the air permeability is low. It is suitable for packaging and coating applications with special requirements for light transmittance, UV resistance and water and oxygen barrier.
Bespoke
- If you’re looking for the critical properties only an amorphous fluoropolymer can provide, let’s talk. We have developed hundreds of compositions and one of our compositions might work for you, or we can develop one that does.
Form Factors
PyFlon™ material is available in the following form factors:
- Optical Films: Solvent cast films fabricated in custom sizes.
- Resin Solution: PyFlon™ resins dissolved in fluorinated solvent (1-10% solids).
- Resin Powder: Pulverized PyFlon™ resin powder.
Applications
PyFlon™ materials can be used in unlimited applications to meet current and future material challenges.
3D Printing
Additive manufacturing (aka 3D printing) relies on photopolymerization. For continuous printing process, the process requires a window that is transparent to UV light and permeable to oxygen to enable continuous printing. The optical clarity and gas permeability of PyFlon™ films enable efficient 3D printing. We provide films which can be incorporated into windows for 3D printing.
Gas Separation
We engineered PyFlon™ specifically to use in membranes for difficult mixed gas separations. Flat sheet films or hollow-fiber cartridges made with PyFlon™ offers a unique combination of:
- superior permeability and selectivity for various mixed gases
- high thermal stability
- remarkable resistance to aggressive chemical agents and plasticization
- remove contaminants such as moisture, hydrocarbons, and oxygen for Gas Chromatography
- remove acid gases from methane so it can be used as a fuel or chemical feedstock
- purify hydrogen to use as a fuel or to raise the octane of automotive and aviation fuels
- high purity gas for medical use
Electronics:
- Semiconductors and Processing Materials. Thanks to good dimensional stability, rigidity at high-use temperatures, and chemical inertness, PyFlon™ products provide critical electrical properties for the next generation of computer chips
- Dielectric Materials. PyFlon™ products are easy to mold and spin cast. Other uses include passivation layers and encapsulation for hybrid/sandwich integrated circuit packaging.
- Other potential applications include: Inter-level dielectric layer for semiconductors, Pelicles, Non-autofluorescence hydrophobic coating of microfluidics, Hydrophobic coating of Electrowetting devices, Antifouling coatings for photomasks, Optical film, Anti-reflective coatings, Graded-index optical fibers
Biomedical Materials
PyFlon™ solutions can be coated onto other substrates to enhance biocompatibility for optical sensing and diagnostic applications. They can also be used as a potential separation media for gases and liquids.
Optical Materials
Pyflon products offer plenty of flexibility. They function as a clear coating for optical devices requiring a low refractive index. They also perform well in aggressive chemical environments with disparate temperatures and light waves (UV-IR).
Applications in this category include lens covers for microwave, radar, and optical devices; fiber optics, optical cladding; optoelectronic devices; UV cells and windows; passivation and protective coatings; and anti-reflective coatings for optical devices.
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