Features - Wacker Chemie AG


Features

Keeping Odor and Flames at Bay: Novel VAE Binders for Low-Emission Carpet Applications

Jan 09, 2014

The choice of binders plays a key role in many applications and industries. With the recently developed VINNAPAS® CA 55, WACKER experts have managed a breakthrough in a market where binders based on vinyl acetate-ethylene copolymers (VAE) had only been seen as a niche product in the past, namely the carpet industry. Yet VAE dispersions offer a variety of advantages over traditionally used latex in carpet backings: their price is more stable, they emit hardly any volatile organic compounds, provide greater flame-retardance, are easy to process – and are almost odorless.

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Wacker Chemie AG
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Nadine Baumgartl

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Email nadine.baumgartl@wacker.com
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Presspicture

  • Composition of a tufted carpet

    Composition of a tufted carpet

    Composition of a tufted carpet: The new VINNAPAS® CA 55 is suitable for formulating highly-filled precoats which bond carpet fibers to the primary backing. In addition, it also enables the formulation of secondary coatings, which, in turn, bond the carpet to the secondary backing (graphics: Wacker Chemie AG).

  • Furnace chamber test - Photo 1

    Furnace chamber test - Photo 1

    Furnace chamber test: Films made with VAE and SB binders are tested at WACKER’s carpet lab in Burghausen. The tests show that specific VAE-based films are self-extinguishing (Photo 1), while films made with SB burn readily, issuing black smoke (Photo 2). VAE-based binders there-fore allow for formulations that need fewer flame retardant additives.

  • Furnace chamber test - Photo 2

    Furnace chamber test - Photo 2

    Furnace chamber test: Films made with VAE and SB binders are tested at WACKER’s carpet lab in Burghausen. The tests show that specific VAE-based films are self-extinguishing (Photo 1), while films made with SB burn readily, issuing black smoke (Photo 2). VAE-based binders there-fore allow for formulations that need fewer flame retardant additives

  • VINNAPAS® CA 55

    VINNAPAS® CA 55

    Tuft bind test: A WACKER employee examines the adhesion of the fibers to the primary backing. As a binder, the new VINNAPAS® CA 55 not only offers excellent bonding and processing properties for tufted carpets, but also low emission values, reduced odor and increased flame retardant properties.

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