THERMOPLASTIC GRANULATED MATERIAL (FEEDSTOCK) AND METHOD OF ITS PRODUCTION Russian patent published in 2019 - IPC B22F1/00 B22F3/22 B22F9/04 

Abstract RU 2701228 C1

FIELD: chemistry.

SUBSTANCE: invention relates to powder technology, particularly, to thermoplastic granulated materials (feedstocks) and methods of their production. It can be used for production of metal and ceramic parts by injection molding and additive molding for fabrication of complex profile parts. Feedstock contains, vol%: powder of alloy in form of particles with core-shell structure 53–65; plasticizer 0.5–1.5; oxidized paraffin 13–25; polymer 15–35. At that, particles of alloy with core-shell structure consist of alloy powder and surface modifier, taken in weight ratio of 1,000:1–1,000:15. Feedstoke is used to obtain particles of alloy with core-shell structure from alloy powder, then obtained particles of alloy are mixed with binder and produced mixture is extruded.

EFFECT: high density and microhardness of parts made from feedstock.

13 cl, 12 dwg, 1 tbl, 4 ex

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RU 2 701 228 C1

Authors

Glazkova Elena Alekseevna

Pervikov Aleksandr Vasilevich

Rodkevich Nikolaj Grigorevich

Toporkov Nikita Evgenevich

Muzhetskaya Svetlana Yurevna

Dudina Lidiya Vladimirovna

Dates

2019-09-25Published

2019-06-17Filed