LNP™ COMPOUNDS - INTRODUCTION TO HIGH FLOW DUCTILE (HFD) RESINS
LNP™ RESINS AND COMPOUNDS
LNP™ COPOLYMER RESINS SUMMARY
WHAT ARE PC COPOLYMERS?
HFD RESIN - HIGH FLOW DUCTILE
• HFD co-monomer derived from castor bean oil (<10% bio-sourced content)
• Superior flow (up to 30-40% higher vs. PC) while maintaining ductility and toughness.
• Reduced mold-in-stress to avoid birefringence
• Higher flow solves aesthetic issues typical of glass filled materials
• Faster processing and cycle time reduction
• 20° C lower processing temperature vs. standard PC for two shot molding
HFD RESIN
HFD RESIN
HFD PORTFOLIO
SOLUTIONS FOR CIRCULAR ECONOMY
HFD PORTFOLIO BIO CONTENT
HFD RESIN - DUCTILITY ADVANTAGES
HFD VS. PC DUCTILITY AND MELT FLOW COMPARISON
When?
• When you like the MFR of standard PC, but need better impact
• When you like the impact of standard PC, but need better flow
Why?
• For a given melt flow, HFD resins has 10 15 o C better d/b transition temperature compared to standard PC
HFD RESINS GLASS FIBER FILLED INTRODUCTION
Compared to general purpose GF filled PC, GF HFD is an improved toughness/ductility with the same melt flow index or improved melt flow at the same toughness/ductility, ~20oC lower processing temperatures with good filled surfaces
HFD RESINS - MOLDING CONDITION
1. Different drying temperature between filled and unfilled HFD
2. Low melt temperature molding
3. Higher mold temp result high gloss surface and more even inner stress. Under HD T 10 15 was suggested
4. Suggested low middle screw speed and which is dependent on screw diameter.
It is recommended to perform first molding in the presence of a SABIC Technical Development Engineer.
Summary
~20°C lower processing temperatures vs standard PC. It was good for IML/IMR molding
It is important to take care of sprue design at those small part applications, make it as short as possible when develop new targets at customer sites. The benefits for customer will be: Shorter cooling time, decreased cycle time, Decrease material consumption. Lower injection pressure drop, benefit to molding process
Application at chemical environment need to tested by customer
Secondary processes, e.g.. spray painting and hard coating need to be validated to confirm the compatibility, and the suitability of the material for the end use application. Low molded in stress is needed to prevent cracking after secondary process
HFD RESIN
PRODUCTS AND GRADES
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