Crompton introduces new slip agents and coupling agent
Plastics Additives & Compounding
- Dec 31, 2002
Crompton Corporation has introduced two new vegetable-based agents
that impart slip and anti-block properties in thermoplastic resins. The company says that
Kemamide® ELO and Kemamide® VO agents satisfy a market preference for vegetable-based
materials compared to animal-derived slip agents.
Kemamide ELO slip agent is a high-performance torque release agent
that minimizes the taste and odour effects of ozone sterilization. Kemamide ELO has no fatty acid
chains to react to ozone and heat, making it very stable in bottle cap and related applications.
Kemamide VO slip agent is a GMO-free material that offers an
economical alternative to animal-based and other vegetable-based agents. Its low cost makes it an
excellent value for a wide range of products.
A polymer additive from Crompton Corporation is also improving the
processing and performance of wood-filled composites. These building materials are an increasingly
popular alternative to natural wood in decking, fencing and other applications, claims the company.
They also offer an effective way to recycle sawmill byproducts.
Polybond® coupling agents with enhanced performance
characteristics make possible new materials in advanced markets such as wood-filled compounds.
They bind composite materials to the extent that wood replacement materials have performance benefits
including increased toughness, impact strength, and weatherability that are similar to if not better
than natural wood.
Polybond 3109 coupling agent consists of LLDPE grafted with 1% maleic
anhydride. It has an MFI of 30 g/10 min. This higher flow results in easier mixing and enhanced
performance in wood-filled compounds. Addition of 5% Polybond 60% ATH-filled LLDPE boosts tensile
strength 45% and notched Izod impact 550%.
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