Conformable, stretchable, printable films are described. In particular, films that include a film substrate, a pressure sensitive adhesive, and a hybrid solvent barrier/primer layer including a blend of two copolyamides that are not miscible are described. Such hybrid solvent barrier and primer layers may be effective as both a solvent barrier and a primer layer.

Embodiments of the present disclosure generally relate to housings for, e.g., memory devices and electronic devices, and to processes for forming such housings. In an embodiment, an article for housing at least a portion of an electronic device is provided. The article includes a first component comprising a thermoplastic and a biodegradable filler or polymer, and a second component disposed on at least a portion of the first component, the second component comprising a plurality of layers. The article has a scratch visibility load of about 200 gms or more, an electrostatic discharge static voltage of about 100 V or less, a thermal conductivity of about 0.28 W/mK or more, or combinations thereof.

A method of obtaining a purified regenerated diacid from a depolymerization of a polyester in a waste material wherein the depolymerization provides a depolymerized mixture comprising a regenerated diol, a regenerated diacid, and a catalyst is disclosed. The method comprises: separating a regenerated composition including the regenerated acid and the catalyst from the regenerated diol; providing the regenerated composition in a liquid medium to form a pre-aged mixture; subjecting the pre-aged mixture to thermal cycling wherein the cycling occurs within 25° C. and within a temperature range of from 150° C. or more to 300° C. or less to form an aged mixture; and separating the regenerated composition from the liquid medium in the aged mixture.

Methods of forming a lightweight reinforced thermoplastic core layer and articles including the core layer are described. In some examples, the methods use a combination of thermoplastic material, reinforcing fibers and bicomponent fibers to enhance retention of lofting agents in the core layer. The processes permit the use of less material while still providing sufficient lofting capacity in the final formed core layer.

The present disclosure relates to a resin composition that exhibits satisfactory flow properties and mechanical properties, to a cellulose formulation that is used to produce the resin composition, and to resin pellets and a molded resin formed by the resin composition.

A continuous fiber reinforced resin composite material of the present disclosure is a continuous fiber reinforced resin composite material containing continuous reinforcing fibers and a thermoplastic resin, wherein a peak temperature of tan δ at an interface between the continuous reinforcing fibers and the thermoplastic resin in the continuous fiber reinforced resin composite material is 80° C. or higher.

A transparent static-dissipative polycarbonate (PC) resin composition includes the following components: 70-95 parts by weight of PC resin, 5-30 parts by weight of antistatic agent masterbatch and 0.5-1.5 parts by weight of a transesterification inhibitor. The antistatic agent masterbatch includes the following components by mass percentage: 40-60% of an antistatic agent, 0.5-1.6% of a transesterification accelerator, 1-3% of an assistant cross-linkinger, and the balance of PC resin. A method for preparing the transparent static-dissipative PC resin composition includes the following steps: (I) preparing the components of the transparent static-dissipative PC resin composition according to the formulation, and mixing the components evenly to obtain a premix; and (II) adding the premix into a twin-screw extruder, melting, extruding, cooling and pelletizing, to obtain a target product.

A dry tape material for fiber placement includes a plurality of reinforcing fiber strands that satisfy (i) to (iii): (i) the reinforcing fiber strand has thicknesses T1 and T3 at both ends in a width direction of a section of the reinforcing fiber strand, and both T1 and T3 are 50 to 200% relative to a thickness T2 at a central portion of the reinforcing fiber strand, (ii) the reinforcing fiber strand has a number of filaments N and a width W that satisfy a relationship of 4.8<N/W<12, and (iii) the reinforcing fiber strand has a form kept by a first resin material having a glass transition temperature Tg or a melting point Tm of 40° C. to 200° C., the first resin material being heat-meltable, wherein the plurality of reinforcing fiber strands are bound and integrated with each other by a second resin material.

Systems and techniques to provide a flexible, lightweight material that is also effective at protecting a body from ballistic threats are described. An example composite material described herein is fiber-based, and it includes one or more first regions where the fiber composite material is consolidated, and one or more second regions where the fiber composite material is unconsolidated. Example methods of manufacturing the composite material disclosed herein include using a specialized tool with a heated platen press or an autoclave. The tool may include one or more protrusions and/or cavities that contact a precursor composite material to transform the precursor material into a partially consolidated fiber composite material, which is suitable for use as body armor, among other potential applications for the manufactured composite material.

Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts. The prepreg includes carbon reinforcing fibers and an uncured resin matrix. The resin matrix includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and optionally a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component.