Wood powder filled PP | |
Name of material | Addition ratio |
PP | 92.5% |
Wood powder (treated with 17.5%NaOH, 40~60μm) | 7.5% |
Modified material properties | |
Tensile strength /MPa | 27.9 |
Elongation/% | 498 |
Notched impact strength of simply supported beam 23℃/（KJ/m2） | 6.31 |
Bending strength /MPa | 60.6 |
Composite reinforced PP material | |
PP | 100 |
Glass fiber | 25 |
Mica powder | 15 |
Silane coupling agent | 0.5~1 |
PP/EVA/CaCO3 Toughening system | |
PP | 100 |
CaCO3 | 30 |
EVA（VA15%） | 20 |
HDPE | 10 |
Ceresin wax | 2 |
Antioxygen | 1 |
Antistatic polypropylene | |
PP | 100 |
HZ-14 (Anstatic agent) | 1 |
Technical white oil | 0.2 |
Color pigment | Appropriate amount |
Antiaging PP formula | |
PP | 100 |
Antioxygen 1010 | 0.1 |
Antioxygen DSTP | 0.3 |
Deoxidant | 0.3 |
Stabilizer 77D | 0.05 |
Ultraviolet absorbent BAD | 0.1 |
Ultraviolet absorbent 327 | 0.15 |
Processing conditions： (1)Granulation: temperature 170℃、175℃、185℃、185℃；Screw speed 70r/min。 (2)Film blowing：temperature 170℃、200℃、225℃、230℃；Screw speed 30r/min；Traction speed 6r/min。 | |
High impact PP/Mg (OH) 2 Flame retardant material | |
PP | 50 |
Mg(OH)2 | 50 |
Rare earth coupling agent | 2.5 |
Processing conditions： (1) Dry Mg(OH)2 at 120℃ for 10h； (2) Add the rare earth coupling agent into the high temperature reactor, and stir at 60℃ for 10 min. | |
