SI Group Polymer Modifiers are the industry's leading compatibilizers, which are also known as functionalized polymers, coupling agents or impact modifiers. They are used in applications such as PVC calendaring, PVC profiles, engineering thermoplastics compounding, thermoplastic elastomers, epoxy adhesives and coatings, masterbatches, polyolefin compounding, filler coupling, solvent adhesives, and alloy compatibilization.
Difficulties dispersion of polar fillers in non-polar polypropylene resins
Poor adhesion of fillers to the polypropylene matrix
High moisture absorption in polyolefin products and resins
Creep and low flexural strength in thermoplastic products and formulations
Low impact resistance and cracking issues in polyolefins and engineered resins
Long lead time and supply issues of polyolefin compatibilizers and coupling agents
The SI Group portfolio of POLYBOND™ coupling agents offers improved performance for wire and cable compounders utilizing HFFR solutions.
The POLYBOND™ 3200 from SI Group is legendary for its performance as a coupling agent in plastic applications. The 3200 outperforms other coupling agents with superior thermal stability, color control and less degradation.
The SI Group portfolio of POLYBOND™ coupling agents improves mechanical performance for recycled filled composites by strengthening the coupling bond.
SI Group offers a broad range of plastic additives for the stability and durability of your packaging plastics. Learn more today!
The SI Group portfolio of antioxidants and coupling agents offers composites, alloys, and blends the stabilization and protection for under-the-hood automotive components.
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