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May 28, 2021

REACH and CLP

Public consultation, to 1st June 2021, on the Roadmap for revision of EU chemicals regulations REACH and CLP. This revision is a key first stage of rollout of the EU Chemicals Strategy for Sustainability (see pinfa Newsletter n°119), within the Green Deal.

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Pinfa-NA Formulators’ Workshop

The full programme of the pinfa-NA SPE (Society of Plastics Engineers) online formulators’ training is now published. The four workshop sessions are led by expert instructors, with possibilities to ask questions and dialogue.

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SAMPE – Webinar on transportation composites

Summary of pinfa-NA – SAMPE online event on new challenges for materials fire safety in aircraft. Event page: https://www.naSAMPE.org/events/EventDetails.aspx?id=1496426

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UL furniture fire safety & chemicals guide

New UL Guide provides detailed information on fire risks, fire protection and flame retardants for upholstered furniture. “Managing Fire and Chemical Exposure Risks of Residential Upholstered Furniture” provides over 40 pages of detailed information (over 110 references) on fire risks of upholstered furniture in the home, flame retardants used in furniture, risk and exposure, fire tests and solutions for fire safety including inherently low flammability textiles and fillings, flame retardants and active and passive fire barriers.

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ECHA publishes CoRAP to 2023

EU chemicals action plan includes eight active evaluations of halogenated FRs or their synergists and four of PIN FRs. The European Chemicals Agency, ECHA, has published the Community Rolling Action Plan (CoRAP) update 2021-2023, listing chemicals for Evaluation (under REACH) during this period. In total, the CoRAP evaluation list now contains 392 chemicals, including the following flame retardants

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Ecolabel / GPP for photovoltaic systems

EU (JRC) report on PV notes the need for fire safety of cables and panel backings and the availability of acceptable PIN FRs. The European Commission (JRC) preparatory report on possible Ecolabel and/or Green Public Purchasing criteria for photovoltaics notes that some existing warranty systems require fire classification of cables and panel backings and reporting of halogen content, and that FRs are relevant for internal electrical components for inverters and junction boxes.

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Buildings ‘Renovation Wave’ consultation

An EU public consultation on revision of the Energy Performance of Buildings Directive is open to 22nd June 2021. The general public consultation poses questions on energy requirements for buildings, covering residential and other buildings, for new buildings and existing buildings and for building renovation, including the “whole life-cycle” performance.

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PIN FR polyamides for electronics

Thermoplastics specialist STS Tecnopolimeri uses DOMO PIN FR polyamides for performance household and electrical parts. The versatile non-halogen, melamine-based PIN FR polyamide PA6 and PA66 products offer mechanical and electrical properties enabling metal replacement and use in applications such as electronics casings, keyboards, displays, command boxes developed for the internet of things (IoT).

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SABIC PIN FR solutions for EV batteries

PIN FR compounds offer new lightweight, high performance solutions for EV battery structural elements. SABIC offers an extensive performance materials range to replace metals and optimise electric vehicle batteries and supply equipment (EVSE) with reduced weight and flexible design possibilities, whilst ensuring crash and impact resistance, non-halogenated fire safety and enabling potential cost-effectiveness and high productivity.

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Low-smoke, halogen-free polyolefin cable

Benvic, a world leader in PVC compounds, has launched HFFR polyolefin cables for construction and electrical industries. The new LINKFLEX HF compounds for cables and sheathing ensure compliance with the EU Construction Product Regulations (CPR) EN 50575 Eca up to B2ca, with low droplets, using PIN flame retardants in a polyolefin matrix to ensure low smoke properties, IEC 60754-2 low acidity emissions.

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WAPOL: PIN FRs from waste materials

EU project develops PIN FR compounds using waste incineration ash and nitrogen FRs for PP, PA (polypropylene, polyamide). The Horizon 2020 (EIT Raw Materials) project, WAPOL, is developing flame retarded polymers for the automotive industries using PIN FRs from waste materials. PP filled with 20-30% municipal waste incineration ash (treated bottom ash) achieved UL94HB @ 1.6 mm with mechanical properties similar to those of PP-T20.

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Performance PC/ABS and PC/ASA

Polymer Compounders Ltd (PCL) new polycarbonate blend compounds show excellent properties and low toxicity. Established in 1993, PCL specialises in engineering thermoplastics. Their new PC/ABS* and PC/ASA* blends claim better melt processing, lower density and physical properties as good as halogen FR compounds, but use reactive non-halogenated FR polymer formulations to ensure a favourable toxicity profile, no antimony, no FR migration and no bioaccumulation.

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Metal alginates as PIN flame retardants

Alginates loaded with metal ions can provide effective bio-based PIN FRs for textiles, polymers, surface coatings …. Tens of thousands of tonnes of alginates are produced worldwide annually from brown algae, providing relatively low-cost bio-based materials which are not competing with food crops.

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Bio-based PIN FR for cotton

The natural molecule polylysine, reacted with phosphoric acid, provides a durable PIN FR for cotton fabrics. The polypeptide ε polylysine can be produced by natural fermentation or by a condensation reaction of the biological amino acid lysine, and is used as a food additive.

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“Green” synthesis of PIN FR for bioplastic

Researchers propose solvent-free synthesis of polymeric phosphorus FR for poly(lactic acid) bioplastic (PLA). The bio-based and biodegradable polymer poly(lactic acid) is highly flammable. Phosphoramides have shown to be effective PIN FRs for PLA at low loadings, but their synthesis relies on organic solvents.

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Double FR functionality of phosphorus

An experimental P-based PIN FR for rigid polyurethane foam shows both gas phase and solid phase fire inhibition effects. Researchers synthesised (in two steps) a bi-functional, reactive phosphorus flame retardant for rigid polyurethane foam: PDEP, containing a DOPO and a phosphate (DEP, derived from diethyl phosphite).

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N-P-Si FR for epoxy

Experimental reactive PIN FR improves mechanical and fire performance of epoxy resin. DOPO (phosphorus) and triethylamine (nitrogen) were reacted with silane (silicon) to generate an N-P-phenylsiloxane macromolecule (PD-PPD) which could be reacted into DGEBA epoxy resin.

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UK consults on POP ban for Dechlorane Plus.

UK consults on POP ban for Dechlorane Plus. The UK Government has opened to 18th June 2021 a public consultation on adding the halogenated flame retardant Dechlorane Plus to the Stockholm Convention list of Persistent Organic Pollutants.

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April 30, 2021

Other news

Endocrine (EDC) effects of “replacement” FRs. Experimental data and endocrine modelling results were collected for 52 flame retardants considered to be possible replacement of brominated PBDE and HBCD FRs.

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New tool to teach fire safety and FRs

80+ slides of information and graphics explaining materials fire safety, flame retardants, fire tests, standards, environment and health.

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US EPA consultation on Deca, HBCD, TIPPP

Public comment is requested on rules to reduce exposure to PBT chemicals including three FRs: Deca-BDE, HBCD, TIPPP.

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Unlimited fines for fire safety regulations

The UK Government has announced unlimited fines for breaching fire safety orders or obstructing fire inspectors.

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Sustainable Products Initiative consultation

EU public consultation to 9th June 2021 on the Sustainable Products Initiative, targeting mainly recycling and reuse.

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Review on flame retarding of batteries

Fire and thermal runaway risks of lithium ion batteries can be reduced by using PIN FRs in separators, electrolyte, cathode.

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