B29C2045/0091

Expanded Polymer Pellets

The invention refers to a method for producing expanded polymer pellets, which comprises the following steps: melting a polymer comprising a polyamide; adding at least one blowing agent; expanding the melt through at least one die for producing an expanded polymer; and pelletizing the expanded polymer. The invention further concerns polymer pellets produced with the method as well as their use, e.g. for the production of cushioning elements for sports apparel, such as for producing soles or parts of soles of sports shoes. A further aspect of the invention concerns a method for the manufacture of molded components, comprising loading pellets of an expanded polymer material into a mold, and connecting the pellets by providing heat energy, wherein the expanded polymer material of the pellets or beads comprises a chain extender. The molded components may be used in broad ranges of application.

MANUFACTURING THERMOPLASTIC COMPOSITES AND ARTICLES

Embodiments of the present technology may include a method of making a thermoplastic composite concentrates. The method may include melting a low-viscosity reactive resin to form a molten reactive resin. The method may also include fully impregnating a plurality of continuous fibers with the molten reactive resin in an impregnation device. The method may further include polymerizing the molten reactive resin to form a thermoplastic composite strand. In addition, the method may include chopping the thermoplastic composite strand into a plurality of pellets to form a plurality of thermoplastic composite concentrates.

Expanded Pellets and Method for Manufacturing Molded Components Using Them

The invention refers to a method for producing expanded polymer pellets, which comprises the following steps: melting a polymer comprising a polyamide; adding at least one blowing agent; expanding the melt through at least one die for producing an expanded polymer; and pelletizing the expanded polymer. The invention further concerns polymer pellets produced with the method as well as their use, e.g. for the production of cushioning elements for sports apparel, such as for producing soles or parts of soles of sports shoes. A further aspect of the invention concerns a method for the manufacture of molded components, comprising loading pellets of an expanded to polymer material into a mold, and connecting the pellets by providing heat energy, wherein the expanded polymer material of the pellets or beads comprises a chain extender. The molded components may be used in broad ranges of application.

A GEL AND CUSHIONING MATERIAL BASED ON THERMOPLASTIC ELASTOMERS AND METHOD OF MAKING THEREOF
20220145064 · 2022-05-12 ·

A gel material made of thermoplastic elastomers. The thermoplastic elastomers content in the gel material is very less. Even after the reduction of thermoplastic elastomers, the gel material has superior properties. The gel material of the disclosure is cost effective and has good strength. The present disclosure also relates to a cushioning material made of gel of thermoplastic elastomers. Furthermore, the present disclosure also relates to a process for making the gel and the cushioning material.

Micro moulding machine and process

A micro moulding machine and process for forming small plastic parts for the medical device industry. The machine adds heat in two steps to a precision sized plastic pellet and then displaces the entire pellet volume into the mould cavity. A substantial amount of heat is added to the pellet by forcing it through an orifice very near the gate of the mould. The pneumatic pressure to drive the pellet through the orifice is controlled to regulate the amount of heat introduced into the pellet.

Manufacturing thermoplastic composites and articles

Embodiments of the present technology may include a method of making a thermoplastic composite concentrates. The method may include melting a low-viscosity reactive resin to form a molten reactive resin. The method may also include fully impregnating a plurality of continuous fibers with the molten reactive resin in an impregnation device. The method may further include polymerizing the molten reactive resin to form a thermoplastic composite strand. In addition, the method may include chopping the thermoplastic composite strand into a plurality of pellets to form a plurality of thermoplastic composite concentrates.

Bicycle frame

The invention relates to a bicycle frame made by injection molding pellets of a long glass fibre reinforced polypropylene composition having a core containing glass fibres and an impregnating agent and a sheath of polypropylene surrounding said core, wherein the pellets have an average length of at least 1 mm, the amount of the glass fibers is 10 to 70 wt % with respect to the composition and the polypropylene has a flexural modulus determined according to ASTM D790A of at least 1000 N/mm.sup.2.

BICYCLE FRAME

The invention relates to a bicycle frame made by injection molding pellets of a long glass fibre reinforced polypropylene composition having a core containing glass fibres and an impregnating agent and a sheath of polypropylene surrounding said core, wherein the pellets have an average length of at least 1 mm, the amount of the glass fibers is 10 to 70 wt % with respect to the composition and the polypropylene has a flexural modulus determined according to ASTM D790A of at least 1000 N/mm.sup.2.

Curable particulate silicone composition, semiconductor member comprising curable particulate silicone composition, and method for molding semiconductor member
11136437 · 2021-10-05 · ·

Provided is a curable particulate silicone composition that is hot-meltable, has excellent handling workability, curing properties, and gap fill properties when melted, and gives a cured product having excellent flexibility and resilience from room temperature to high temperatures of about 150° C. Also provided are pellets or the like formed by molding the curable particulate silicone composition. The curable particulate silicone composition comprises: (A) hot-meltable silicone particles that have a softening point of 30° C. or higher and have a hydrosilylatable group and/or a radical reactive group; (B) an inorganic filler (particulates) that is substantially free of coarse particles having an average particle diameter of 10.0 μm or larger; and (C) a curing agent. When cured, the composition gives a cured product having a storage modulus of 2000 Mpa or lower at 25° C. and of 100 Mpa or lower at 150° C.

Expanded pellets and method for manufacturing molded components using them

The invention refers to a method for producing expanded polymer pellets, which comprises the following steps: melting a polymer comprising a polyamide; adding at least one blowing agent; expanding the melt through at least one die for producing an expanded polymer; and pelletizing the expanded polymer. The invention further concerns polymer pellets produced with the method as well as their use, e.g. for the production of cushioning elements for sports apparel, such as for producing soles or parts of soles of sports shoes. A further aspect of the invention concerns a method for the manufacture of molded components, comprising loading pellets of an expanded polymer material into a mold, and connecting the pellets by providing heat energy, wherein the expanded polymer material of the pellets or beads comprises a chain extender. The molded components may be used in broad ranges of application.