Chinese Japanese Toppage
HYBRAR
What is HYBRAR ?
Grade List
Types and Basic Properties
Applications
Blend properties for Damping
Flexible PVC Substitute
Prosessing Conditions
SEPTON
SEPTON V-series
What's new
About us
Location
Contact us
Blend properties for Damping
(1)Polystyrene/HYBRAR™ Blend
(2)High Density Polyethylene/HYBRAR™ Blend
(3)Polypropylene/HYBRAR™ Blend
(4)ABS Resin/HYBRAR™ Blend
(5)Filler/HYBRAR™ Blend
Blends of HYBRAR™ and other polymers exhibit excellent vibration damping properties as shown in the following examples.

(1)Polystyrene/HYBRAR™ Blend

(Tested by KURARAY CO., LTD.)
  1 2 3 4
Formulation
 Polystyrene
 HYBRAR™ 5127		  
80
20		  
85
15		  
90
10		  
100
0
Damping Properties
 Tan at    0˚C  
  25˚C  
  40˚C  
 Loss Factor    
 
0.049
0.115
0.094
0.068		  
0.047
0.075
0.063
0.040		  
0.044
0.051
0.045
0.023		  
0.033
0.035
0.037
0.016
Mechanical Properties 
 Tensile ModulusMPa
 Tensile StrengthMPa
 Elongation%
 Flexural ModulusMPa
 Flexural Strength MPa
 HardnessShore D
  
1,863
43
17
1,667
22
74		  
2,157
47
21
2,059
28
74		  
2,255
51
18
2,255
34
80		  
2,647
49
13
2,647
74
83
(1MPa=10.20 kgf/cm2)
Mixing Condition:Twin Screw Extruder@200˚C
Molding Condition:Injection Molding, Cylinder@200˚C Mold@60˚C
Evaluation of Damping Properties:
Tan measured with Rheovibron (Dynamic Viscoelastometer, Orientec) @ 110Hz
Loss Factor(Degree of Damping) measured by resonance method with a cantilever beam
 
The vibration damping behavior of the PS/5127 blend, when struck by a steel ball, is shown below.
 
PS/5127 = 85/15   PS = 100
data data
Up to Top

(2)High Density Polyethylene/HYBRAR™ Blend

(Tested by KURARAY CO., LTD.)
  1 2 3
Formulation
 HDPE
 HYBRAR™ 5127		  
70
30		  
90
10		  
100
0
Damping Properties
 Tan at    0˚C  
  25˚C  
  40˚C  
 Loss Factor    
 
0.062
0.140
0.121
0.155		  
0.059
0.093
0.095
0.072		  
0.070
0.072
0.077
0.036
Mechanical Properties 
 Tensile ModulusMPa
 Tensile StrengthMPa
 Yield StrengthMPa
 Elongation%
 HardnessShore D
  
343
13
20
910
52		  
598
20
28
1170
58		  
853
25
47
1655
58
(1MPa=10.20 kgf/cm2)
Mixing Condition:Brabender Plasticorder@200˚C
Molding Condition:Press Molding@210˚C
Evaluation of Damping Properties:
Tan measured with Rheovibron (Dynamic Viscoelastometer, Orientec) @ 110Hz
Loss Factor(Degree of Damping) measured by resonance method with a cantilever beam
 
The vibration damping behavior of the HDPE/5127 blend, when struck by a steel ball, is shown below.
 
HDPE/5127 = 90/10   HDPE = 100
data data
Up to Top

(3)Polypropylene/HYBRAR™ Blend

(Tested by KURARAY CO., LTD.)
  1 2 3 4
Formulation
 PP(Homopolymer,Ml=11.0)
 HYBRAR™ 5127		  
70
30		  
80
20		  
90
10		  
100
0
Damping Properties
 Tan at    0˚C  
  25˚C  
  40˚C  
 Loss Factor    
 
0.047
0.162
0.086
0.151		  
0.047
0.129
0.074
0.108		  
0.043
0.097
0.063
0.089		  
0.041
0.064
0.051
0.078
Mechanical Properties 
 Flexural ModulusMPa
 Flexural StrengthMPa
Impact Strength 
 Notched Izod @25˚CJ/m
 Hardness Shore D
 
608
19
 
363
64		  
716
26
 
176
65		  
634
23
 
78
67		  
941
29
 
13
68
(1MPa=10.20 kgf/cm2)(1J/m=0.102kgf·cm/cm)
Mixing Condition:Twin Screw Extruder@200˚C
Molding Condition:Injection Molding, Cylinder@210˚C Mold@40˚C
Evaluation of Damping Properties:
Tan measured with Rheovibron (Dynamic Viscoelastometer, Orientec) @ 110Hz
Loss Factor(Degree of Damping) measured by resonance method with a cantilever beam
 
The vibration damping behavior of the PP/5127 blend, when struck by a steel ball, is shown below.
 
PP/5127 = 70/30   PP = 100
data data
Up to Top

(4)ABS Resin/HYBRAR™ Blend

(Tested by KURARAY CO., LTD.)
  1 2 3
Formulation
 ABS Resin
 HYBRAR™ 5127
 Mica * 1
 Silane Coupling Agent * 2		  
60
10
30
0.16		  
70
---
30
0.16		  
100
---
---
---
Damping Properties
 Tan at    0˚C  
  10˚C  
  25˚C  
  40˚C  
 
0.077
0.053
0.035
0.032		  
0.027
0.026
0.024
0.024		  
0.028
0.024
0.025
0.024
Mechanical Properties 
 Flexural ModulusMPa
 Flexural Yield StrengthMPa
   Notched Izod @25˚C  J/m
  
4,610
58.8
2.9		  
6,270
72.5
3.1		  
2,060
64.7
28
Thermal Properties 
 Deflection Temperature˚C
 
99.8		  
101.6		  
85.5
(1MPa=10.20 kgf/cm2)(1J/m=0.102kgf·cm/cm)
Mixing Condition:Single screw extruder@210˚C
Molding Condition:Injection Molding, Cylinder@230˚C ,Mold@50˚C
Evaluation of Damping Properties:
Tan measured with Rheovibron (Dynamic Viscoelastometer, Orientec) @ 11Hz
*1 Weight Average Aspect Ratio=50
*2 Silane Coupling Agent with amino group
Up to Top
Damping compounds can be produced from the combination of HYBRAR™, and inorganic fillers such as mica, graphite, calcium carbonate, etc.
Typical properties of these compounds are as follows:
 

(5)Filler/HYBRAR™ Blend

(Tested by KURARAY CO., LTD.)
Formulation
 HYBRAR™ 5127
 Polybutene
 EVA
 Mica
 Light Calcium Carbonate
 Calcium Stearate
 Carbon Black(GPF)
(parts by weight)		  
70
30
20
150
150
4
4
Damping Properties (Reovibron:11Hz)
 Tan at    0˚C
  25˚C
  40˚C
 
0.54
0.73
0.51
Mechanical Properties 
 Tensile Strength  MPa
 Elongation %
 Hardness Shore A
 Specific Gravity ---
 
3.6
90
89
1.83
(1MPa=10.20kgf/ cm2)
Application to a Wooden Floor
Test Specimen:Control Floor - Two Layer Plywood(Thickness =2.4mm & 5.3mm)
Test Floor - Three Layer Plywood / Damping Compound  / Plywood
  2.4mm / 0.5mm / 5.3mm
Test Method:Damped Oscillation Curve was measured by the resonance method with a cantilever beam at 26˚C
 
data data
Control floor   Damped floor
 
Foam
Soft Compound
Up to Top
copyright Privacy Policy