ACCELERATING. FOREVER CHEMICALS. ELIMINATION.

Lummus Technology announced the successful startup and operation of its PFAS destruction demonstration unit. The at-scale, commercial-ready system uses a combination of advanced technology from Lummus and Element Six (E6) to destroy PFAS, also known as “forever chemicals.”

Australian company EPOC Enviro is pleased to announce the approval of its foam fractionation patent by IP Australia, securing exclusive rights for SAFF® technology Down Under through to December 2038.

A study led by James Tour, the T.T. and W.F. Chao Professor of Chemistry and professor of materials science and nanoengineering, and graduate student Phelecia Scotland unveils a method that not only eliminates PFAS from water systems but also transforms waste into high-value graphene, offering a cost-effective and sustainable approach to environmental remediation.

A team of chemists at the University of Oxford and Colorado State University have shown it is possible to destroy a wide variety of these fluorine-containing PFAS chemicals while also recovering their fluorine content for reuse in industrial processes.

The application provides a fluorine-free oil-proof agent, a preparation method and application thereof, and belongs to the technical field of textile assistants. The fluorine-free oil-proof agent is prepared by reacting fluorine-free oleophobic monomers with hydrophobic silica aerogel particles, wherein the fluorine-free oleophobic monomers have umbrella-shaped liquid characteristics, and the hydrophobic silica aerogel particles have a three-dimensional porous network structure. The fluorine-free oil-proofing agent can endow fabrics with good oil-proofing effect.

This water repellant composition includes a non-fluorinated polymer (?) containing constituent units derived from a (meth)acrylic acid ester monomer (A1) represented by general formula (A-1) and constituent units derived from a compound (A2) represented by general formula (A-2), and a silicone resin (?). [In formula (A-1), R1 represents hydrogen or a methyl group, and R2 represents

The invention discloses fluorine-free polyether sulfone, a preparation method and application thereof, and relates to the technical field of polyether sulfone. The technical proposal is as follows: mixing bisphenol compound with non-coplanar groups, bisphenol S, 4' -dichloro diphenyl sulfone, an acid binding agent, dimethylbenzene and an aprotic polar solvent, carrying out salt forming reaction at 160-170 ? under the protection of nitrogen, refluxing and separating water for 1-3h, distilling off dimethylbenzene, continuously heating to 190-230 ?, preserving heat for 4-8h, adding sulfolane to dilute a polymerization solution, cooling to 70-110 ?, adding epichlorohydrin for continuous reaction for 2-10h, filtering, crushing, washing with an alcohol aqueous solution, and drying to obtain fluorine-free polyether sulfone. The invention reduces the dielectric constant of the polyethersulfone under the condition of keeping the high heat resistance of the polyethersulfone, introduces epoxy alkyl into the end group of the polyethersulfone, and keeps the solubility of the polyethersulfone in a conventional solvent on the premise of further reducing the dielectric constant.

The application relates to the field of polymer composite materials, in particular to a fluorine-free flame-retardant PC material and a preparation method thereof, wherein the fluorine-free flame-retardant PC material comprises the following raw materials in percentage by weight: 10-15% of silicon PC, 0.1-1% of anti-aging agent, 2-6% of fluorine-free flame retardant and the balance of PC; the fluorine-free flame retardant consists of at least three of polydiphenyloxy phosphazene, tetraphenyl bisphenol A diphosphate, polydimethylsiloxane and methacrylate-based phenyl polymer compound. When more than three of polydiphenyloxy phosphazene, tetraphenyl bisphenol A diphosphate, polydimethylsiloxane and methacrylate phenyl polymer compound are compounded, the synergistic effect is achieved, and silicon PC is matched, so that the PC material has better flame retardant property, light transmittance, ageing resistance and physical property.

Here researchers disclose a protocol that converts multiple classes of PFAS, including the fluoroplastics polytetrafluoroethylene and polyvinylidene fluoride, into high-value fluorochemicals. To achieve this, PFASs were reacted with potassium phosphate salts under solvent-free mechanochemical conditions, a mineralization process enabling fluorine recovery as KF and K2PO3F for fluorination chemistry.

PFAS are widely used in textiles for their hydrophobic properties but pose environmental risks due to their persistence and toxicity. This review explores natural-based hydrophobic coatings, such as waxes, fatty acids, and natural polymers, assessing their potential as sustainable PFAS alternatives.

This study develops an online database documenting PFAS applications, their functions, and 530 potential alternatives. While suitable substitutes exist for 40 applications, 83 remain without alternatives, requiring further research.

This article explores the design of PFAS-free low surface energy (LSE) additives as alternatives to hazardous perfluoroalkyl substances. It highlights chemical principles for developing non-fluorinated surfactants and polymeric coatings for applications like microemulsification, firefighting foams, and hydrophobic surfaces. With the phase-out of PFAS, research is advancing toward sustainable, effective substitutes to maintain low surface tension and energy in industrial applications.