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Resin technology for nonwovens applications.

From emulsions that provide waterproofing, soil repellency and weatherability to binders that resist yellowing at high temperatures, Rohm Tech Inc. provides innovative polymer materials technology and product applications to suit a wide range of applications.

Formaldehyde Free Acrylic Binders

Rohm Tech is offering a new line of formaldehyde free and acrylonitrile free binders for textile, nonwovens and paper applications. Called Rohamere FF, the self-crosslinking binders vary in softness and cure at low temperatures. In addition to complete testing and evaluation in the company's lab, the binders have undergone extensive field evaluations, the company points out, resulting in optimization of their excellent wash and dry cleanability characteristics.

Rohamere FF-20 is designed for applications where soft, conventional crosslinking systems are used. Rohamere FF-6 can be used in place of conventional binders in many textile, nonwoven and paper applications. Rohamere FF+40 is designed for applications requiring a stiff, highly resistant finish. Products within the line can be blended to custom design a specific glass transition temperature and hand.

Thickening Agent

The company also offers a thickening agent that has been proven successful in the nonwovens industry. "Rohagit SD-15" is an aqueous, alkali-soluble thickening agent for producing synthetic resins and adhesives. Compatible with 100% acrylic, vinyl acrylic and SBR resins, water soluble and water reducible resins, SD-15 is competitively priced and provides greater thickening efficiency.

SD-15 is characterized by a short flow with a yield value. Flow occurs in the end product only after a certain shear stress is reached. Thickener added directly in the unneutralized form incorporates easily into formulations and provides a smooth viscosity build upon neutralization with base.

Non-Yellowing Products

Rohm Tech offers a line of self-crosslinking acrylic polymers that produce a non-yellowing film even when exposed to temperatures greater than 350 [degrees] F. These "Rohamere" polymers are mechanically stable and offer excellent washfastness and dry cleaning resistance. Tensile strength and elongation are also good.

Rohm Tech's non-yellowing polymers film at low temperatures and range in film hardness from very soft to firm. Suitable applications include finishing, bonding, coating, flocking and laminating.

Rohm Tech Inc. is a subsidiary of Rohm GmbH, Germany. For more information on Rohm Tech Inc. or any of the product lines discussed here, call or write: Rohm Tech Inc., 83 Authority Drive, Fitchburg, MA 01420. Telephone 508-342-5831 or Fax 508-345-1971.
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Title Annotation:Show in Print; Rohm Tech Inc.
Publication:Nonwovens Industry
Date:May 1, 1993
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