A non-halogenated flame retardant polyamide composition is disclosed which comprises a polyamide, a non-halogenated flame retardant, and a synergist. The polyamide may have a ratio of carboxylic acid to amine end groups of greater than 1.8. Products formed from the composition are also disclosed. The polyamide may comprise nylon 6,6.

The invention disclosed herein is an automotive acoustic panel including a porous sound-absorption material made from a polymer and an expanded perlite. One or more silane compounds may be coupled or coated onto the expanded perlite while a coupling agent and a chemical foaming agent may additionally be added to the automotive acoustic panel.

A fusible, phase-change powder composition includes a plurality of powder particles comprising a polymer composition, an unencapsulated phase-change material, and optionally, an additive composition; wherein the powder composition is fusible at a temperature of 25 to 105 C., or 28 to 60 C., or 45 to 85 C., or 60 to 80 C., or 80 to 100 C.

The invention relates to additive mixtures for plastics containing phosphinic acid salt of formula (I) as component A,

##STR00001##

where R.sub.1 and R.sub.2 mean ethyl, M is Al, Fe, TiO.sub.p or Zn, m means 2 to 3, preferably 2 or 3, and p=(4m)/2 is a compound selected from the group of Al salts, Fe salts, TiO.sub.p salts or Zn salts of ethylbutylphosphinic acid, dibutylphosphinic acid, ethylhexylphosphinic acid, butylhexylphosphinic acid and/or dihexylphosphinic acid as component B, phosphonic acid salt of formula (II) as component C,

##STR00002##

where R.sub.3 means ethyl, Met is Al, Fe, TiO.sub.q or Zn, n means 2 to 3, preferably 2 or 3, and q=(4n)/2, and copper as component D.

A wiring trough, comprising a trough body, and a trough cover arranged on the trough body, wherein the two ends of the trough body are respectively provided with a first clamping portion, and the two ends of the trough cover are respectively provided with a second clamping portion, wherein the trough body and the trough cover are connected in a mutual clamping manner through the first clamping portion and the second clamping portion, wherein a channel for receiving a wire is formed by the trough body and the trough cover, wherein a first decoration lug is arranged on each of the first clamping portion, and a second decoration lug is arranged on each of the second clamping portion.

A polymer material in manufacture of 3D articles by means of additive manufacturing, the polymer material including: a) at least one propylene polymer P having a flexural modulus determined according to ISO 178:2019 standard of at least 150 MPa, b) at least one propylene-based elastomer PBE having a flexural modulus determined according to ISO 178:2019 standard of not more than 100 MPa, and c) at least one solid inorganic compound SC.

The invention relates to an extrusion process for the production of expandable vinyl aromatic polymer granulate comprising mixing first and second additives with first and second polymer components, respectively, in dedicated mixers.

The invention relates to an environmentally friendly fuel made of rubber and a manufacturing method thereof. The manufacturing method comprises the steps of pulverizing a rubber material into rubber powder; and mixing the rubber powder with a toxin elimination material to eliminate deleterious compositions such as chlorine and sulfur, wherein the toxin elimination material comprises a non-halogen flame retardant and a desulfurizing agent.

The invention disclosed herein is an automotive acoustic panel including a porous sound-absorption material made from a polymer and an expanded perlite. One or more silane compounds may be coupled or coated onto the expanded perlite while a coupling agent and a chemical foaming agent may additionally be added to the automotive acoustic panel.

A sealant is provided for use on an aircraft or other vehicle. The sealant may be used with a gasket. The sealant is a perimeter seal that comprises a polyurea member. The polyurea member is a self-curing, two-component mix. It may cure to a hardness in the range of about 40 to 100 (Shore A). It may maintain an adequate peel strength to withstand multiple thermal and pressure cycling, and may have a working life, wherein it may be shaped, of less than about eleven minutes.