ADDITIVES | IMPACT MODIFIERS
Figure 3: Effect on impact strength of SBG-001 core-shell impact modifier in 70/30 PC/ABS
Source: Fine-Blend/SACO-AEI The company says the latest Orevac grades
—IM300/IM300N and IM800 — have been formu- lated to speed up compound manufacturing while maintaining excellent impact resistance and mechanical properties. Orevac IM300/IM300N combines high fluidity with high impact resistance at room temperature. “High fluidity opens up new
opportunities in terms of processability of the compounds such as injection moulding of small pieces with specific geometries or glass-reinforced PA,” says an SK spokesperson. Orevac IM800 grafted polymer has been designed to achieve very good impact resistance at temperatures well below zero and offers a very low ductile/brittle transition temperature. It is recommended for automotive applications. The new grades sit alongside Lotader 4700, described as a general purpose grade for polyamides. Lotryl flexible copolymers, meanwhile, are suitable for use in thermoplastic polyesters where they absorb energy and avoid craze propagation. They display high weatherability, due to their ethylene and acrylate monomer chemistry base. SK says combinations of Lotryl with Lotader are often used to adjust impact properties and rheology. SACO-AEI Polymers produces its own impact modifier products under the Armidan brand and also distributes grades from Chinese producer Fine-Blend in North America. The company says it was readying various new grades to show at the NPE trade fair in Florida in the US this year but, now
Plasticized, rigid and recycled
P oly olef ins and thermoplastic elastomer s
The compounds By BENVIC
BENVIC has regrouped its 2500 plus polymer compounds into four main material streams for the 21st
Century.
PVC compounds are the historical root of the company. These are now unifi ed under the
brand.
ProVinyl includes rigid, plasticized and recycled grades and there is a strong commitment to custom-made ProVinyl formulations for sustainable use.
BENVIC’s offer non-PVC polymers
for the challenges of complex, mission-critical or heavy duty applications in markets such as automotive, food packaging or electrical cables. Benvic’s new range for HFFR cable compounds is a typical example.
Modern materials need to reduce our environmental footprint. BENVIC’s
product line has
been created with just this need in mind; bio based and/or compostable polymers for the development of successful eco-designed products and solutions.
BENVIC’S solutions include all manner of
polymer compounds and also medical components such as pipes, tubes, connectors and fi lters. BENVIC offers the medical world a fully integrated and systems-based approach for all its material and product needs.
FOREVER, MORE, NATURALLY
Compostable and biobased polymers
Compounds and components
www.benvic.com
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