https://www.avient.com/sites/default/files/2023-08/chrispederson.pdf
Pederson holds a bachelor’s of science in chemical engineering from University of
Washington, a master’s of science in chemical engineering from University of Delaware, and
an MBA from University of Southern California.
https://www.avient.com/sites/default/files/resources/PolyOne%25202014%2520Annual%2520Report.pdf
We also bought back 6.3 million
shares of our stock.
ITEM 1.
Geon’s roots date back to 1927 when BFGoodrich scientist Waldo
Semon produced the first usable vinyl polymer.
https://www.avient.com/sites/default/files/2020-09/surround-processing-guide-2020.pdf
TEMPERATURE
Material Rear
Center
Front
Nozzle
Melt
Mold
Nylon 6,6
540–570
530–560
530–560
540–570
540–570
200–300
(90–150)
Nylon 6,6
30% SS
540–570
530–560
530–560
540–570
540–570
200–300
(90–150)
PBT
510–410
(265–280)
490–540
(255–280)
480–530
480–530
480–530
150–250
(65–120)
PC
14% NiCF
540–570
540–570
530–560
530–560
530–560
150–250
(65–120)
ABS
470–520
460–520
460–520
460–530
(240–275)
460–530
(240–275)
100–200
(40–90)
PP
440–480
(225–250)
440–480
(225–250)
430–470
(220–245)
420–460
(215–240)
420–460
(215–240)
125–175
(50–80)
DRYING
Material Temperature
°F (°C) Time Minimum
Moisture
Maximum
Moisture
Nylon 6,6
14% NiCF 180 (80) 4–5 hours 0.05% 0.20%
Nylon 6,6
30% SS 180 (80) 4–5 hours 0.05% 0.20%
PBT
14% NiCF 250 (120) 6-8 hours 0.02% 0.03%
PC
14% NiCF 250 (120) 3–4 hours 0.02% 0.02%
ABS
14% NiCF 200 (90) 2–4 hours 0.05% 0.10%
PP
14% NiCF 180 (80) 2–4 hours 0.20% 0.30%
Equipment
• Feed throats smaller than 2.5" may cause bridging due to pellet size
- Larger feed throats will be more advantageous with long fiber EMI shielding resins
• General purpose metering screw is recommended
- Mixing/barrier screws are not recommended
• L/D ratio
- 18:1–20:1 (40% feed, 40% transition, 20% metering)
• Low compression ratio
- 2:1–3:1
• Deep flights recommended
- Metering zone 3.5 mm
- Feed zone 7.5 mm
• Check ring
- Three-piece, free-flowing check ring
• General purpose nozzle (large nozzle tips are recommended)
- Minimum orifice diameter of 7/32"
- Tapered nozzles are not recommended for long fiber EMI shielding resins
• Clamp tonnage:
- 2.5–5 tons/in2
Gates
• Large, free-flow gating recommended
- 0.25" x 0.125" land length
- 0.5" gate depth
Runners
• Full round gate design
• No sharp corners
• Minimum of 0.25" diameter
• Hot runners can be used
PROCESSING
Screw Speed Slower screw speeds are recommended to protect fiber length
Back Pressure Lower back pressure is recommended to protect fiber length
Pack Pressure 60–80% of max injection pressure
Hold Pressure 40–60% of max injection pressure
Cool Time 10–30 seconds (depends on part geometry and dimensional stability)
PROCESS CONSIDERATIONS
Recommended – retain fiber length (maximize conductivity)
• Low shear process
• Low screw speed and screw RPM
• Slow Injection speed
• Fill to 99–100% on first stage of injection
- Reduces potential nesting of fibers at gate location
- Improves mechanical performance near gate location
- Promotes ideal fiber orientation
Resin Rich Surface
• Achieved when using a hot mold temperature and longer cure times
≥ Max mold temperature recommendation
• Improved surface aesthetic
• Reduced surface conductivity
• Could reduce attenuation performance in an assembly
Fiber Rich Surface
• Achieved when using a cold mold temperature and shorter cure times
≤ Minimum mold temperature recommendation
• Improved surface aesthetic
• Reduced surface conductivity
• Could improve attenuation performance in an assembly
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https://www.avient.com/resources/safety-data-sheets?page=26
TRANSL WHITE PEARL T915-1-1
BK 1597 UNIVERSAL PARK
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https://www.avient.com/resources/safety-data-sheets?page=2518
CABS CLUB CAR RED - ABS
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
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https://www.avient.com/resources/safety-data-sheets?page=4991
COLOR 006 WHITE CLUB CAR
Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)
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https://www.avient.com/sites/default/files/2023-01/Hydrocerol Chemical Foaming Agents for Injection Molding Technical Bulletin.pdf
Structural foam
molding machines (Figure 1) are equipped with a
plasticizing extruder and a separate transfer cylinder
for quicker injection.
Typical let-down ratios for Hydrocerol concentrates
are 1–3%.
THERE ARE 3 PHASES IN THE CORE-BACK EXPANSION MOLDING
Core-Back Expansion (CBE) molding principle
1.844.4AVIENT
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https://www.avient.com/sites/default/files/2020-12/therma-tech-processing-guide.pdf
Runners
1.
Venting
1.
Draft Angle 1.
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Beige - 1 (Bone)
47N UNIVERSITY BLUE
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https://www.avient.com/sites/default/files/2020-10/tpe-injection-molding-guide.pdf
Table 1.
Compression ratios of 2:1 to 3:1 are
commonly used for both SEBS and SBS formulations.
Reduce rpm and back pressure.