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Michelman to Introduce PU Dispersions for Reinforcement Fibers' Surface Optimization

Published on 2016-09-02. Author : SpecialChem

CINCINNATI, OH -- Michelman will introduce two unique polyurethane dispersions designed as fiber sizing for reinforced composites in automotive under-the-hood applications. Hydrosize® Link dispersions react directly with the matrix resin, delivering exceptional composite performance under extreme exposure to water, ethylene glycol, and high temperatures, conditions increasingly typical in the narrow confines of modern engine compartments.

Hydrosize® - Imparts Strength to Glass Fiber, Carbon Fiber & Natural Fiber

Reinforced composites in automotive

According to Dr. Rick Michelman, Executive Vice President, Chief Growth & Technology Officer at Michelman, “Our new Hydrosize Link U470 and U480 fiber sizings are testaments to Michelman’s intense focus on polyurethane synthesis and controlled manufacturing. These new products solve critical problems and challenges encountered by fiber and composite manufacturers. Innovators from across the automotive industry supply chain have asked for specialized solutions that allow them to expand the use of high performance composites. This is what we have delivered. While fiber sizings account for as little as 0.2-0.3% of a finished composite part, Hydrosize Link solutions have an incredible impact on performance.”

Hydrosize Link technology eliminates the fiber producer’s step of adding secondary crosslinkers such as blocked isocyanates to the sizing bath. This not only simplifies the fiber manufacturing process, but more importantly it allows better control over the desired degree of reactivity, and ultimately, composite performance. The two new grades differ in their level of reactivity.

Hydrosize® Link U470

  • An APE free, high strength sizing for glass and carbon fiber with excellent adhesion, specifically designed to react with PA6 and PA6.6 resin matrices.
  • Hydrosize® Link U470 offers superior aging performance and glycol resistance.

Hydrosize® Link U480

  • An APE free, high strength sizing for glass and carbon fiber with excellent adhesion for use with chopped strand and Long Fiber Thermoplastics.
  • Hydrosize® Link U480 is specifically designed to react with PA6 and PA6.6 resin matrices and provides superior aging performance and glycol resistance.

Michelman will introduce Hydrosize Link at CAMX 2016, being held September 26-29, 2016 at the Anaheim Convention Center in Anaheim, CA, USA. Michelman will exhibit in booth G79.

About Michelman

Michelman is a developer and manufacturer of environmentally friendly advanced materials for industry, offering solutions for the coatings, printing & packaging and industrial manufacturing markets. The company’s surface additives and polymeric binders are used by leading manufacturers around the world to enhance performance attributes and add value in applications including wood and floor care products, metal and industrial coatings, paints, varnishes, inks, fibers and composites.
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Source: Michelman
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