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September 6, 2019

Media recognise value of FRs in protecting cars

Fox2, USA, has published a story warning the public that a water bottle left in a car in the sun can be a fire risk. The article quotes however the Getty Conservation Institute: “seats are designed to be fire-retardant and self-extinguishing, thus your car seat is more likely just have a burned hole in it than to actually catch fire.

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Fires starting in furniture cause 14% of fire deaths

A study of fire statistics in Massachusetts 2003-2016 shows that fires involving furniture caused 14% of all residential fire deaths. Data was assessed from 158 862 residential fires reported as causing human or monetary damage. Fires with no information on fire cause and intentional fires were excluded, leaving 34 081 fires analysed.

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Dimelamine pyrophosphate PIN FR for epoxies

Dimelamine pyrophosphate (DMPY) was synthesised in one step (97% yield) from melamine and sodium pyrophosphate, then tested as a flame retardant in DGEBA/PDA epoxy resin at 0 – 12% loading. UL94-V1 (3.2 mm) was achieved at 8% DMPY and V0 at >9%. LOI was increased by up to 50% (at 12% loading).

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Zinc triazine and APP synergy

A zinc oxide – organic triazine compound (OTCA-ZnO) was prepared and tested as a flame retardant in EVA (ethylene-vinyl acetate polymer) in combination with APP (ammonium polyphosphate) at total loading of 25% (App 0-25%, OTCA-ZnO 25-0%) by melt-mixing.

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Phosphate mine waste effective as FR

“Phosphorus tailings” - waste generated in large quantities by phosphate rock mining (in this study, from Tiaoshuihe phosphate mine, Hubei Sanning Mining, China) were tested as a flame retardant, at 2.5 – 10% loading, with 15 – 25% aluminium hypophosphite, in TPU (thermoplastic polyurethane).

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Sulfenamide synergists for PIN FRs

Sulfenamides are organic PIN chemicals containing nitrogen-sulphur bonds and carbon rings. Five different sulfenamides were synthesised, with in some cases additional nitrogen groups, and were tested as synergists to PIN flame retardants in polypropylene (phosphonate ester, aluminium hypophosphite, AHP, ATH, APP).

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August 29, 2019

ICL joins pinfa

We are very excited to join pinfa, said Yaniv Kabalek, Senior Vice President, Flame Retardants at ICL. ICL is a global specialty minerals and chemicals company operating bromine, potash, and phosphate...

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July 21, 2019

pinfa Electromobility & Fire Safety workshop Tokyo

At its 2nd Electromobility and fire safety challenges workshop, Tokyo, 1st July 2019, pinfa brought together more than 60 stakeholders of the electromobility value chain: automotive companies, OEMs, plastic compounders and manufacturers of flame retardants.

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pinfa China official WeChat account

On June 18th 2019, pinfa China launched its official WeChat account to provide information to the public and to industry about PIN flame retardants, and to communicate with members.

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EU building recommendations point to fire safety

The European Commission has published in the Official Journal a “Recommendation … on building renovation” pointing to the importance of fire safety.

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Minnesota bans halogenated FRs in certain products

The Governor of the US State of Minnesota has signed into law a bill banning the sale or distribution of children’s products, upholstered furniture, mattresses or residential textiles (such as window coverings) containing non-polymeric, non-reactive organohalogen flame retardants.

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Hazard assessment of organohalogen flame retardants

A US National Academy of Sciences report proposes that non-polymer, additive, organohalogen FRs, used in consumer products, cannot be treated as a single class for hazard assessment, but can be considered as 14 sub-classes.

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Barking De Pass fire: timber specifications inadequate

The UK wood materials industry organisation has taken position for more demanding fire safety specifications.

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Surat coaching centre fire, India

22 young people died in a fire in an academic coaching centre in Surat, Gujarat State, India, 24th May 2019. The fire is said to have started with an electrical short-circuit and to have then destroyed the only escape route, a wooden staircase.

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Summary of 3rd UL furniture flammability summit

UL (Underwriters Laboratories) has published the proceedings of the third Furniture Flammability and Human Health Summit, organised with Emory University, Atlanta, 13-14 December 2017.

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Natural sourced mineral nanoparticles as FRs

Magnesium hydroxide nanoparticles were produced by adding sodium hydroxide to filtered seawater to precipitate magnesium dihydroxide, calcing to magnesium hydroxide, then grinding.

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Review of bio-based flame retardants

A thirty-one page review paper, based on nearly eighty publications, summarises developments and perspectives for bio-based PIN flame retardants for synthetic polymeric materials. Renewable PIN FRs discussed are based on: tannic acid, phytic acid (a plant molecule containing 60% phosphorus by weight), isosorbide, diphenolic acid, DNA, lignin and β-cyclodextrin.

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Modified rectorite improves PIN intumescent coating

The natural mineral clay rectorite (which contains aluminium, calcium, silicon and sodium) was modified by reaction with sodium pyrophosphate then tested at 10% in a waterborne PIN intumescent fire retardant coating, consisting of ammonium polyphosphate, melamine, titanium oxide and pentaerythritol.

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Gas release from incomplete burning of PIN FR cables

A study analyses gases released during incomplete combustion of three different cable types: one PVC-based sheath (poly vinyl chloride) and two PIN flame retarded (EVA/PE with/without cross linking, with c. 60% ATH flame retardant: ethyl vinyl acetate, polyethylene, aluminium tri hydroxide).

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High performance bio-based PIN polyphthalamide

Dupont has launched a new non-halogentated flame retardant, bio-based polyphthalamide (PPA) compound for electrical components, including SMT connectors (surface mounted component). PPA (polyphthalamide) are aromatic polyamides.

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PIN FR cables for 100 Norway wind turbines

Reka Cables (Neo Industrial cables group) will supply over 200 km of PIN flame retardant, 36 kV medium voltage cables, for energy transfer for 100 wind turbines to be installed in Norway by Linka AS.

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Low smoke zero halogen fibre optic hybrid cables

RHC, Jackson, Missouri, one of the world’s largest manufacturers of audio and video cables and interfacing has launched new low smoke zero halogen flame retardant fibre optic HDMI hybrid cables.

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pinfa presentation to car producers

Vincente Mans presented non-halogenated fire safety to a JAMA meeting (Japanese Automobile Manufacturers Association) at CLEPA (European Association of Automotive Suppliers) in Brussels, June 4th.

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PIN FR 3D-printing filament

Formfutura has launched a non-halogenated, self-extinguishing PIN flame retardant filament for 3D-printing. The ABSPro filament contains ABS, polycarbonate and PIN flame retardants, enabling to meet UL94-V0. It is available in black only and offers low printing temperatures and mechanical performance (dimensional stability, interlayer adhesion, high gloss).

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