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May 4, 2022

Compressed Natural Gas (CNG) bus fire

Nobody was injured in this spectacular natural gas powered bus fire, near Perugia, Italy, 16th April. Only the driver was on board.

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US IBC Code and combustible cladding

Proposal to ban combustible cladding in renovations of high-rise buildings, unless sprinklers are fitted.

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NIST review on LCAs of plastics

This NIST review analyses current knowledge on life cycle and environmental assessments of plastics, based on over 150 publications. It is noted that “FRs are usually ignored in plastics LCA studies”.

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Apple, Google & ChemFORWARD

Independent chemical assessments for safer flame retardants for electronics targets PIN FRs. The Science-based NGO ChemFORWARD has announced that it is now working with Apple and Google to implement its SAFERTM (*) value-chain chemical hazard repository for PIN flame retardants in electronics.

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PIN FR engineering thermoplastic

pinfa member Asahi Kasei’s PIN FR mPPE shows application success in automotive, electronics, photovoltaics, and water installations.

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PIN FR labels for fire-safe electronics

Polyonics continues to improve its non-halogen flame-resistant labels for miniature, high-power electronics. Component and material labels in electronic equipment and batteries are essential to enable component and material identification, quality control, commercial traceability, maintenance and dismantling – recycling.

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HFFR polyphthalamide (PPA) for e-vehicles

Solvay’s new halogen-free flame retarded PPA offers electrical, heat resistance and dimensional performance for EV drives. UL 94 V-0 (@ 0.4 mm) fire performance is achieved, CTI > 600 volts and heat resistance > 120°C, adapted for demanding conditions in electric vehicle motors, power electronics and transmission systems.

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PCL’s PIN FR performance polymers range

Polymer Compounders offers a range of non-halogenated FR PC/ABS, FR PC/ASA and polycarbonate blends for demanding customer applications.

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Nitrogen – phosphorus – mineral synergy

A combination of allylamine polyphosphate (20%) and clay (2%) achieved UL-94 V0 (3.2 mm) in polypropylene, showing better fire performance than only APP (ammonium polyphosphate), APP + clay or only allylamine polyphosphate (AAPP).

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Intumescent + clay for PIN SLS 3D-printing

Triazinyl 22% with organo-clay 3% achieved UL 94 V-0 (1.6 mm) in SLS-printed TPU (thermoplastic polyurethane). TPU with 25% aluminium diethyl phosphonate (AlPi) was also tested (but not AlPi plus clay).

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Wastewater copper removed recycled as FR

A complex, magnetic iron – zinc compound was lab tested to adsorb copper ions then tested as an FR coating for PU foam. An iron – zinc – ammonium compound (FeO-ZIF8) was synthetised from magnetic Fe3O4 nanoparticles, zinc nitrate and 2-methylimidazole.

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Chitosan – DOPO PIN FR for epoxy

The bio-polymer chitosan, modified with nitrogen, was used with the PIN FR DOPO, achieving UL 94 V-0 (3.2 mm) in epoxy. Chitosan is the second most abundant bio-polymer, after cellulose, and the most abundant organic compound containing nitrogen, and can be sourced e.g. from seafood wastes.

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Liquid chitosan – P FR for natural fibres

Chitosan reacted with phosphoric acid was tested as a liquid PIN FR for natural fibres used to reinforce vinyl ester resin. Chitosan solution, prepared using acetic acid, was phosphorus-loaded by reacting with phosphoric acid.

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Impacts of aryl phosphate PIN FRs on PC/ABS smoke emission.

Neat PC/ABS, polymer + anti-dripping agent PTFE, polymer + PTFE + 10% loading of six different aryl phosphate PIN FRs (TPP, CDP, RDP, BTPP, BTP, Sol-DP) were tested for fire performance, smoke emission and smoke toxicity as per EN 45545-2.

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Review concludes ‘conflicting conclusions’ on long-term environmental risks of organophosphate esters (OPEs).

Analysis of over 100 studies and publications covers 18 OPEs, which are used as plasticisers and/or flame retardants. Conclusions are that OPEs are widespread in oceans and in the atmosphere, both in coastal waters near industrial regions, and also in remote oceans and polar regions.

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April 8, 2022

TCO Generation9 targets safer chemicals

Updated certification for IT equipment again restricts halogenated substances and authorises safer PIN FRs. The TCO Certified Generation9, the health, environment and worker protection label for office and home electronics, is updated to further address sustainability of raw material supply, circularity and lifetime extension, as well as now covering chemicals used in IT manufacture (not only chemicals present in the final product).

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EU court confirms halogenated FR ban

The European General Court has validated the EU Ecodesign Regulation ban on halogenated FRs in TV and monitor cases. The Court has dismissed a challenge brought by BSEF, an industry group whose members are four companies manufacturing brominated flame retardants FRs (Br-FRs).

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Proposed regulatory text for update of CPR

To 1st June. The EU has published for comment the proposed text of the revised Construction Products Regulation (CPR). pinfa already made input during the preparatory phases, see pinfa Newsletter n°21

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EU textiles industry BAT regulatory update

Draft update to BAT will require consideration of substitution of brominated flame retardants for textiles finishing. Under the Industrial Emissions Directive (IED), EU Best Available Techniques (BAT) specifications, where defined, are legally applicable to all concerned industry installations in Europe. pinfa made detailed input to the process of updating the textiles industry BAT reference document (BREF) in 2020 (see pinfa Newsletter n°114).

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EU consultation: chemicals information

To 12th April. Proposals to coordinate different chemicals assessment procedures and improve chemical data access. As part of the EU Chemicals Strategy for Sustainability, the Commission proposes to streamline chemicals assessments by various EU agencies (chemicals ECHA, food safety EFSA, environment EEA and medicines EMA) as well as EU expert groups, scientific committees and contractor studies.

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Reminder: EU consultation on REACH

To 15th April 2022: polymers, endocrine disruption, mixture effects, environmental footprint, essential use. See pinfa Newsletter n°133.

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Canada assessment of 1-bromopropane

Canada has proposed to classify the non-FR chemical 1-bromopropane (nPB) persistent, health and environment risk. 1-bromopropane is principally used as a solvent, degreaser or intermediate in chemicals production, adhesives and sealants, not as a flame retardant.

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EU public consultation: Toy Safety Directive

To 25th May 2022. Should rules on chemicals in toys should be stricter? Which chemicals should be targeted or banned? The consultation questionnaire, open to the public and to stakeholders, asks whether rules on chemicals in toys should be made stricter, what types of chemical risks should be targeted, how the Directive should address hazardous chemicals and how chemicals should be indicated on toy labels.

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EU public consultation: RoHS review

To 2nd June 2022. RoHS and recycling, Critical Raw materials, REACH. Process for updating restricted substances. The RoHS Directive (Restriction of Hazardous Substances in Electrical and Electronic Equipment 2011/65/EU) is currently under review. The open consultation targets both the general public, with four questions concerning RoHS and recycling (hazardous substances in recycled materials, recycling costs) and 30 questions for industry and specialists.

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