A graft copolymer comprising: a core polymer comprising a crosslinked or non-crosslinked polysaccharide, a plurality of primary graft polymers covalently grafted to the core polymer, a plurality of secondary graft polymers covalently grafted to each primary graft polymer, an injectable dermal aesthetic formulation comprising such a graft copolymer and a method of preparing such a graft copolymer.

A technique for depositing fiber-reinforced thermoplastic filament in an arc is disclosed that mitigates the centripetal forces that arise in the prior art. In accordance with the illustrative embodiment, the centripetal forces are ameliorated by twisting the filament while depositing it in an arc.

A fiber composite component assembly (100) includes a fiber composite component (3) including a base material and a fiber material, and a tolerance compensation layer (5) for joining the fiber composite component (3) to a further component (1), the tolerance compensation layer (5) including a fiber composite portion (17) and/or a further layer portion (7). A fiber composite component system (200) including a fiber composite component assembly (100) and a further component (1) joined to the fiber composite component assembly (100), as well as a method for producing a fiber composite component system (200), is also provided.

A fiber composite component assembly (100) includes a fiber composite component (3) including a base material and a fiber material, and a tolerance compensation layer (5) for joining the fiber composite component (3) to a further component (1), the tolerance compensation layer (5) including a fiber composite portion (17) and/or a further layer portion (7). A fiber composite component system (200) including a fiber composite component assembly (100) and a further component (1) joined to the fiber composite component assembly (100), as well as a method for producing a fiber composite component system (200), is also provided.

A method for producing an object by melting a polymer powder in a powder sintering device. For example, a method for producing an object by melting a polymer powder in a powder sintering device under a laser beam, implementing a rheological analysis of the polymers, in order to determine the conditions for producing the object by melting polymer powders.

Provided is a poly(aryl-ether-ketone) (PAEK) powder suitable for use in a method for building objects layer-by-layer by electromagnetic radiation-generated sintering, which is obtained from a thermal pretreatment at a temperature between 260? C. and 290? C. and which has a melting temperature which is stable, at the build temperature, and below or equal to 330? C.

An actuator includes: a cylinder, formed of carbon fiber reinforced polymer (CFRP), that extends along an actuator axis between a cylinder first end and a cylinder second end, and defines a cylinder inner diameter surface; a screw shaft that extends along the actuator axis between a screw shaft first end and a screw shaft second end, that is at least partially within the cylinder, and that is operationally connected, intermediate of the screw shaft first and second ends, to the cylinder second end; a screw shaft head affixed to the screw shaft first end, that in operation rotates relative to the cylinder, and that defines a screw shaft head outer diameter surface that faces the cylinder inner diameter surface with a slip fit therebetween; and a bearing ring affixed to the screw shaft head outer diameter surface, that is formed of polyether ether ketone (PEEK).

A component comprises a first part and a second part, wherein said second part is in contact with said first part, wherein: (i) said first part comprises a first polymer which is semi-crystalline and includes phenylene moieties, carbonyl moieties and ether moieties; (ii) said second part comprises a second polymer which is semi-crystalline and includes phenylene moieties, carbonyl moieties and ether moieties; (iii) the melting temperature (Tm) of the second polymer is less than the melting temperature (Tm) of the first polymer. In a preferred embodiment, said first polymer is polyetheretherketone and said second polymer is a copolymer having a repeat unit of formula VIII and a repeat unit of formula IX.

A method for forming a thermoplastic composite component includes forming a composite sheet using an additive manufacturing assembly. The composite sheet includes a thermoplastic continuous-fiber body including a first side surface, a second side surface, and a perimeter edge. The first side surface is disposed opposite the second side surface. The perimeter edge circumscribes the first side surface and the second side surface. The method further includes applying a thermoplastic overmold onto the thermoplastic continuous-fiber body along at least the perimeter edge using an injection molding assembly.