Disclosed are hot-melt, curl-free methods, structures, and compositions, which in flexible packaging applications, reduce mineral-oil, hydrocarbon migration into packaged food. One embodiment provides an optionally oriented base film having a first side and a second side that is a transparent or opaque film. Further, the composition comprises, consists essentially of, or consists of a water-based primer applied to the first side. Further still, the composition includes a barrier layer to mineral-oil migration, wherein the barrier layer is located between the adhesive-receptive layer and the polymeric substrate, and wherein the barrier layer consists essentially of: (i) polymers of polyvinyl alcohol, ethylene vinyl alcohol, polyester, polyamide, or combinations thereof; and (ii) optionally additives. The barrier layer provides a barrier to mineral-oil migration of 0.1 μg/day*dm.sup.2 or less at 40° C. for 40 days, and the curl-resistant composition does not curl when heated for at least one hour at 60° C.

A method of forming a conductive film. The method includes applying an ink onto a substrate. The ink includes a plurality of nanostructures formed from an electrically-conductive material and a polymer binder. The method includes drying the ink on the substrate. The method includes applying an overcoat material solution onto the dried ink. The overcoat solution includes at least some solvent suitable to provide at least some solubility of the binder. Also, a conductive film that includes a substrate, a matrix on the substrate, and a plurality of nanostructures within the matrix. The matrix is provided as a resultant of a polymer binder present within an ink that carried the nanostructures that was applied and dried upon the substrate, a dried/cured overcoat material that that was applied on the dried ink layer in the form of a coating solution that included a polymer and at least some solvent to provide at least some solubility of the binder, with the binder being at least partially dissolved.

Fiber-reinforced organic polymer aerogels, articles of manufacture and uses thereof are described. The reinforced aerogels include a fiber-reinforced organic polymer matrix having an at least bimodal pore size distribution with a first mode of pores having an average pore size of less than or equal to 50 nanometers (nm) and a second mode of pores having an average pore size of greater than 50 nm and a thermal conductivity of less than or equal to 30 mW/m.Math.K at a temperature of 20° C.

Described is a wood-plastic composite material for structural components of transport pallet, said structural components being capable of being nailed together, having a matrix foamed by means of a blowing agent, wood meal fibres and an adhesion promoter. To create a wood-plastic composite material of this kind which enables a cost-efficient production of transport pallets with a wood-like appearance and constitutes a reliable replacement for the soft wood materials used up until now, at least with regard to weight and mechanical strength properties, it is proposed that the matrix, which comprises a long chain-branched polyolefin, has a mass fraction of 30-95%, the wood meal fibres have a mass fraction of 5-50% and the adhesion promoter has a mass fraction of up to 10% of the wood-plastic composite material, the composite material density being less than 0.3 g/cm.sup.3.

A masterbatch is disclosed, along with associated methods, and biodegradable filaments, fibers, yarns and fabrics. The masterbatch includes 0.2 to 5 mass % CaCO.sub.3, an aliphatic polyester with a repeat unit having from two to six carbons in the chain between ester groups, with the proviso that the 2 to 6 carbons in the chain do not include side chain carbons, and a carrier polymer selected from the group consisting of PET, nylon, other thermoplastic polymers, and combinations thereof.

An object of the present invention is to more conveniently provide a copolyester for a polyester film which exhibits excellent dimensional stability and in particular excellent dimensional stability against environmental changes in, for example, temperature and humidity, and has a small film elongation percentage at 110° C. A copolyester of the present invention comprises: (A) an aromatic dicarboxylic acid component; (B) an alkylene glycol component; and (C1) a dimer acid component and/or (C2) a dimer diol component, wherein the copolyester contains, with reference to a molar number of a total dicarboxylic acid component, 0.5 to 3.5 mol % of the dimer acid component (C1) and/or 0.3 to 5.0 mol % of the dimer diol component (C2).

Provided is a multilayer container including: a polyester layer containing a polyester resin (X); and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to a total amount of all polyamide layers and all polyester layers, and the content of the yellowing inhibitor (A) is from 1 to 30 ppm relative to the total amount of all polyamide layers and all polyester layers. Also provided are a method for manufacturing the multilayer container, and a method for manufacturing a recycled polyester, the method thereof including a step of recovering polyester from the multilayer container.

Provided is a structure having excellent flexibility represented by elastic restoring from compression or tensile elongation at break, and excellent lightness. A structure according to the present invention includes reinforced fibers, first plastic, and second plastic that exhibits rubber elasticity at room temperature, the reinforced fibers being discontinuous fibers, and the first plastic and/or the second plastic coating a crossing point between the reinforced fibers in contact with each other.

A film, in particular cover film for food containers, having a base support and a coating arranged at least indirectly on the base support, the base support being produced from a PET-containing material and the coating comprising a first component in the form of a saturated, high molecular, linear copolyester compound A having an average molar mass of at least 10000 g/mol, a second component in the form of a saturated, high molecular, linear, elasti-cised copolyester compound B having an average molar mass of at least 10000 g/mol, and a third component in the form of a polyolefinic copolymer.

A composition is disclosed comprising a sulfonated styrenic block copolymer (SSBC) having an ion exchange capacity (IEC) of at least 0.5 meq/g; and at least one compound which reacts with the SSBC forming a cross-linked SSBC. The compound is selected from: (i) a cross-linking agent, (ii) a metal cation, and (iii) a non-sulfonated polymer. A film prepared from the composition containing the cross-linked SSBC has a toughness in wet state measured after 1 week of 1.2 to 8 MJ/m.sup.3; and a tensile stress in wet state measured after 1 week of 3.2 to 8 MPa, according to ASTM D412. The film can be used as a water 10 purification membrane or an antimicrobial protection layer.