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Improving inter-road adhesion and coalescence in plastic parts fabricated in 3D printing

An additive manufacturing, thermoplastic polymer technology applied in the field of materials that can solve the problems hindering the use of fused deposition modeling, coalescence and poor adhesion

Inactive Publication Date: 2019-11-29
IMERYS TALC AMERICA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially for MEX 3D printing applications, when polyolefin-containing materials are used, issues of coalescence and poor adhesion prevent the commercially acceptable use of Fused Deposition Modeling (FDM)

Method used

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  • Improving inter-road adhesion and coalescence in plastic parts fabricated in 3D printing
  • Improving inter-road adhesion and coalescence in plastic parts fabricated in 3D printing
  • Improving inter-road adhesion and coalescence in plastic parts fabricated in 3D printing

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Embodiment approach 2

[0080] Embodiment [2] of the present disclosure is directed to the composition of embodiment [1], wherein the thermoplastic polymer comprises a polyolefin.

Embodiment approach 3

[0081] Embodiment [3] of the present disclosure is directed to the composition of embodiments [1]-[2], wherein the thermoplastic polymer comprises a random or block copolymerized olefin.

Embodiment approach 4

[0082] Embodiment [4] of the present disclosure relates to the composition of embodiments [1 ]-[3], wherein the thermoplastic polymer comprises random or block copolymerized propylene.

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Abstract

This disclosure describes a composition for additive manufacturing, which contains a thermoplastic polymer and a mineral additive capable of reducing a specific heat of the composition relative to a specific heat of the thermoplastic polymer, A proportion of the mineral additive in the composition may be set such that the specific heat of the composition is equal to or less than 95% of the specific heat of the thermoplastic polymer, and the composition may be in the form of a filament, rod, pellet or granule. Compositions disclosed herein may be adapted to function as compositions suitable forperforming additive manufacturing by material extrusion. Also disclosed herein are additive manufacturing processes and methods for producing the compositions for fused filament fabrication.

Description

[0001] priority [0002] This PCT International Application claims the benefit of priority to U.S. Provisional Patent Application No. 62 / 453,616, filed February 2, 2017, the subject matter of which is hereby incorporated by reference in its entirety. technical field [0003] This application relates generally to materials technology, and more specifically to the preparation and use of compositions for additive manufacturing. More particularly, the present application discloses compositions for additive manufacturing, methods of making the compositions, methods of additive manufacturing using the compositions, and objects formed from the compositions. [0004] Background of the invention [0005] In recent years, additive manufacturing (the method of building a part by depositing a given material layer by layer) has developed such that many believe it will replace certain traditional manufacturing techniques (eg, investment casting). One of the main benefits associated with a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/10B33Y10/00B33Y80/00
CPCB29C70/58B29K2309/00B33Y10/00B33Y80/00B29C64/106B29C64/118B29K2223/14B29K2507/04B29K2509/02B29K2995/0012B29K2995/0077B33Y70/00C08K3/04C08K3/34C08L23/14C08L2205/02
Inventor N.崔特D.博纳基
Owner IMERYS TALC AMERICA INC
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