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Dow Corning Silicone-Based Additives for Polyamide Compounds0 pages
Plastics & Composites
Dow Corning Silicone-Based Additives
for Polyamide Compounds
Improved Scratch Resistance and Slip
Performance in Polyamide Compounds
While Dow Corning 31-441 Additive
offers some enhancement to anti-scratch
properties,tittalsotexcelstintimpartingthight
slip properties at low loadings. Testing
has shown Dow Corning® MB50-011
Masterbatchttotbetthetmoretefficientt
anti-scratchtadditive.tWhichtistbesttfort
you depends on the application.
Dotyoutneedttotimprovetbothtscratcht
resistance and slip performance of
polyamide compounds? Dow Corning®
31-441tAdditivetimprovestboth,toffering:
•t Instantaneoustandtstabletbenefits
•t Long-termtefficiency
Features & Benefits
• Low volatile emissions
• Off-white solid silicone polymer
•t Efficiencytattlowtloading
• Improves scratch resistance
• Processing aid to lower torque
Figure 1: Dow Corning 31-441 Additive
Slip Performance
Applications
Coefficient of Friction
• Automotive components
• Electrical and electronics
0.15
•t Fortimprovedtcoefficienttoftfrictiont
intthetextrudingtortinjectiont
0.1
process,tDow Corning 31-441
Additivetistthetbettertchoice.tt
0.05
Figure 2: Dow Corning MB50-011
0
Masterbatch1Anti-Scratch Performance
0
2
3
5
0.2
Loading
Scratch Resistance (%)
0.15
1.2
0.1
1
0.8
0.05
0.6
L
Coefficient of Kinetic Friction
0.25
0
0
1
2
3
0.4
0.2
5
Loading (%)
0
1.2
-0.2
1
-0.4
0
0.8
1
2
3
4
AS Loading (%)
0.6
L
•t Othertglasstfibertpolyamidet
applications
Coefficient of Kinetic Friction
• Processing aid to improve
mechanical performance
•t Reducestcoefficienttoftfriction
• For anti-scratch improvement
oftglasstfibertpolyamidet(GFPA),t
0.2 Dow CorningtMB50-011tMasterbatcht
istthetbettertchoice.ttt
0.25
PA-GF30 – Reference
Dow Corning® 31-441 Additive
Dow Corning® MB50-011 Silicone Masterbatch
Competition 1
Competition 2
0.4
0.2
0
-0.2
-0.4
0
1
2
3
4
AS Loading (%)
PA-GF30 – Reference
Dow Corning® 31-441 Additive
Dow Corning® MB50-011 Silicone Masterbatch
Competition 1
5
6
5
6
"
