It is an object of an embodiment of the present invention to provide: a poly(3-hydroxybutyrate)-based resin tube which exhibits excellent resistance to repeated bending; and a method for producing the poly(3-hydroxybutyrate)-based resin tube. The object is attained by providing a poly(3-hydroxybutyrate)-based resin tube which contains 95 wt % to 60 wt % of a poly(3-hydroxybutyrate)-based resin and 5 wt % to 40 wt % of an aliphatic-aromatic polyester-based resin and has an elongation at yield point in a tensile test, a tensile elongation of not less than 50% in the tensile test, and a thickness of 0.01 mm to 0.6 mm.

Compositions-of-matter comprising a matrix made of one or more, preferably two or more elastic layers and one or more viscoelastic layer are disclosed. The compositions-of-matter are characterized by high water-impermeability and optionally by self-recovery. Processes of preparing the compositions-of-matter and uses thereof as tissue substitutes or for repairing damaged tissues are also disclosed.

The present invention relates to the field of single-use closed capsules biodegradable by industrial composting and by domestic composting, containing at least one substance in powder form for the preparation of a drink, e.g. coffee, intended for being extracted under pressure, said capsule including a container with a bottom and a side wall having a circular rim, and a seal welded on the circumference of the rim of the container, characterized in that the bottom, the side wall and the circular rim are formed by injection molding of at least one formulation comprising: (i) at least one polymer chosen from polyhydroxybutyrates, and (ii) at least one ingredient chosen from silicates, vitamin E, plasticized proteins of animal or plant origin, or mixtures thereof.

Apparatus and methods for manufacturing compostable, biodegradable drink straws from polyhydroxyalkanoate (PHA) material are disclosed herein. Such apparatus may include a hopper that contains raw PHA material, an extruder that receives the raw PHA material from the hopper and produces extruded PHA material, one or more waters baths that cool the extruded PHA material, a puller that pulls a tubular stream of PHA material through the system, and a cutter that is configured to cut the stream of PHA material into finished straws. The finished straws may be soil- and marine-biodegradable, as well as home- and industrial-compostable.

The disclosure describes an injection molding process for coating a tablet core to produce a coated pharmaceutical tablet, wherein the injection-molded coating is substantially continuous (e.g., completely covers the tablet core with no openings), and describes the resulting coated pharmaceutical tablet. The disclosure describes compositions for coatings and tablet cores and equipment suitable for performing the process.

Compositions-of-matter comprising a matrix made of one or more, preferably two or more elastic layers and one or more viscoelastic layer are disclosed. The compositions-of-matter are characterized by high water-impermeability and optionally by self-recovery. Processes of preparing the compositions-of-matter and uses thereof as tissue substitutes or for repairing damaged tissues are also disclosed.

Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a polymer or other component present therein. Printed parts having piezoelectric properties may be formed using compositions comprising a plurality of piezoelectric particles dispersed in at least a portion of a polymer matrix comprising first polymer material and a sacrificial material, the sacrificial material being removable from the polymer matrix to define a plurality of pores in the polymer matrix. The piezoelectric particles may remain substantially non-agglomerated when combined with the polymer matrix. The sacrificial material may comprise a second polymer material. The compositions may define a composite having a form factor such as a composite filament, a composite pellet, a composite powder, or a composite paste. Additive manufacturing processes may comprise forming a printed part by depositing the compositions layer-by-layer and introducing porosity therein.

A process is presented and described for the production of moldings, comprising the steps of (a) providing a polymer composition comprising from 1 to 99% by weight of polyhydroxyalkanoate and from 1 to 99% by weight of starch-containing polymer; (b) homogenizing the polymer composition with use of thermal and/or mechanical energy; (c) introducing the polymer composition into a mold; (d) molding the molding in the mold; and (e) removing the molding from the mold. The process described is in particular suitable for the production of hard capsules.

This invention relates to a polymer composition that is particularly suitable for use in the manufacture of thermoformed articles, which can be biodegraded in industrial composting. This invention also relates to a process for the production of the said composition and articles obtained thereby.

A preform is disclosed for producing a plastic container. The production of the preform as well as a plastic container that is produced from the preform and its production are also disclosed.