Method and foamable material for foaming or foam-coating compone

Details Method and foamable material for foaming or foam-coating compone Method and foamable material for foaming or foam-coating compone

1999-08-23

2000-06-13

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 89, 521 91, 521 94, 521 96, 521 97, 521 99, 521140, 521149, C09J 910

Patent

active

060750634

ABSTRACT:
A method for foaming or foam-coating components is used for foaming hollow cavities of double-walled or multiple-walled components or foam-coating component parts with decorative surfaces so as to improve haptic properties of component parts. A material is introduced or applied in an unfoamed state to be foamed through the use of microwave energy. In order to achieve high dielectric losses and to ensure that the heat effect is evently distributed and essentially restricted to the material to be foamed, the material is adjusted in a polar manner by addition of certain substances such as conductive soot. Reflecting agents are used to improve the distribution and effect of the microwaves. The method ensures fully foamed hollow cavities and foam layers of uniform thickness. A foamable material for foaming or foam-coating components is also provided.

REFERENCES:
patent: 4507405 (1985-03-01), Paisley et al.
patent: 5728744 (1998-03-01), Okada et al.

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