US2011118410A1PendingUtilityA1

Composite powder, use in a shaping process, and mouldings produced from this powder

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Assignee: EVONIK DEGUSSA GMBHPriority: Apr 20, 2007Filed: Jan 24, 2011Published: May 19, 2011
Est. expiryApr 20, 2027(~0.8 yrs left)· nominal 20-yr term from priority
Inventors:Ulrich SimonSylvia MonsheimerMaik GrebeStefan Altkemper
B33Y 70/10C08K 7/28B29C 70/66B29C 64/153Y10T428/2982B33Y 80/00
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Claims

Abstract

The present invention relates to a composite powder which comprises polymer powder and porous glass beads, and to the use of this composite powder for shaping processes, and also to mouldings produced from this composite powder.

Claims

exact text as granted — not AI-modified
1 . A composite powder comprising at least one polymer powder and porous glass beads. 
     
     
         2 . The composite powder of  claim 1 , wherein the at least one polymer powder is at least one of nylon-11 powder and nylon-12 powder. 
     
     
         3 . The composite powder of  claim 1 , wherein the average particle diameter of the at least one polymer powder is from 30 to 120 μm. 
     
     
         4 . The composite powder of  claim 1 , wherein the average particle diameter of the at least one polymer powder is from 40 to 100 μm. 
     
     
         5 . The composite powder of  claim 1 , wherein the average particle diameter of the at least one polymer powder is from 45 to 70 μm. 
     
     
         6 . The composite powder of  claim 1 , wherein the ratio of the average particle diameter of the at least one polymer powder to the porous glass beads is from 1.5:1 to 10:1. 
     
     
         7 . The composite powder of  claim 1 , wherein the ratio of the average particle diameter of the at least one polymer powder to the porous glass beads is from 1.7:1 to 5:1. 
     
     
         8 . The composite powder of  claim 1 , wherein the ratio of the average particle diameter of the at least one polymer powder to the porous glass beads is from 2:1 to 3:1. 
     
     
         9 . The composite powder according to of  claim 1 , wherein the ratio by weight of the porous glass beads to the at least one polymer powder is from 1:10 to 20:10. 
     
     
         10 . The composite powder of  claim 1 , wherein the ratio by weight of the porous glass beads to the at least one polymer powder is from 2:10 to 15:10. 
     
     
         11 . The composite powder of  claim 1 , wherein the ratio by weight of the porous glass beads to the at least one polymer powder is from 5:10 to 12:10.

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