1997-05-20

New Low-Odor Phenolic-Resin Molded Insulators: Product and Process Technology 971882

Fiber-bonded insulators are reclaimed textile fibers bonded with phenolic resins. These have been used in automobile interiors and under-hood applications for a considerable time. Odor issues can result with the conventional phenolic-resin bonded molded insulators under improper process conditions.Under improper process conditions conventional phenolic resins can result in the formation of trimethylamine and other amines, which can form objectionable odor in the automobile interior. This paper highlights the process and product development for new low-odor phenolic-resin molded insulator. The materials are characterized by odor performance, mechanical properties and acoustical behavior. The odor issues associated with the phenolic-resin molded insulators have been shown to be eliminated.

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