SI Group Polymer Modifiers

Overview

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.

Problems Solved

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

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15 Products
1
POLYBOND™ 7200 container
POLYBOND™ 7200 acts as a high-efficiency coupling agent for cellulose fiber-filled polypropylene by reducing water uptake and providing higher flexural/tensile strength and impact properties than convential coupling agents.
2
ROYALTUF™ 372P20 container
Additive that improves weatherability and impact strength and toughness in styrene-acrylonitrile, polycarbonate, and polyester / polycarbonate blends.
3
ROYALTUF™ 527 container
ROYALTUF™ 527 is a maleic anhydride grafted EPDM impact modifier that is especially useful for improving low-temperature performance polyamides. It is effective in improving physical properties of recycled nylon compounds.
4
POLYBOND™ 1002 container
Polypropylene based coupling agent with a low melt flow rate and ultra high acrylic acid content.
5
POLYBOND™ 3200 container
Workhorse coupling agent for filled polypropylene and polyamide / polypropylene blends. Can be used with glass, mineral, or cellulose fiber reinforcing materials.
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SI Group Polymer Modifiers Articles
POLYBOND™ For HFFR Wire and Cable Markets thumbnail

The SI Group portfolio of POLYBOND™ coupling agents offers improved performance for wire and cable compounders utilizing HFFR solutions.

Strengthen Filled Compounds with POLYBOND™ 3200 thumbnail

POLYBOND™ 3200 is a polypropylene-based coupling agent that enhances polymer compounds by strengthening the coupling bond between the filler and polymer matrix.

POLYBOND™ and Recycling of Polyolefins thumbnail

The SI Group portfolio of POLYBOND™ coupling agents improves mechanical performance for recycled filled composites by strengthening the coupling bond.