Method for producing popcorn-containing shaped parts
AssigneeGeorg-August-Universität Göttingen Öffentlichen Rechts
InventorsAlireza Kharazipour, Markus Euring
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Abstract
The present invention relates to two-dimensional and three-dimensional shaped parts and composite materials made of popcorn and synthetic and/or natural binding agents which are cured in automatic moulding machines or similar pressing installations by means of radio wave technology or microwaves. By means of these technologies, lightweight, two-dimensional and three-dimensional shaped parts and composite materials can be produced for packaging, as interior and exterior parts (for example in automobile and mobile-home construction), shock absorbers, space-dividing elements, furniture, consumer goods, for the building trade of for heat insulation.
Claims11
A method for producing popcorn-containing shaped parts, the method comprising the steps of:
- a) production of puffed popcorn granules;
- b) optional hydrophobization of the puffed popcorn granules produced in step a) by means of a polymer;
- c) optional post-treatment of the hydrophobized puffed popcorn granules;
- d) optional addition of a binder to the puffed popcorn granules;
- e) addition of the puffed popcorn granules to a mold cavity;
- f) application of pressure or vacuum to the mold cavity containing puffed popcorn granules;
- g) temporary exposure of the puffed popcorn granules contained in the mold cavity in a targeted manner to electromagnetic radiation in a frequency range from ≥30 kHz to ≤300 GHz to produce a shaped part;
- h) optional coating of a surface of the shaped part;
- and
- i) optional lamination of the shaped part to another shaped part.
A method for producing popcorn-containing shaped parts, the method comprising the steps of:
- a) production of puffed popcorn granules;
- b) optional hydrophobization of the popcorn produced in step a) by means of a polymer;
- c) optional post-treatment of the hydrophobized puffed popcorn granules;
- d) addition of the puffed popcorn granules to a mold cavity without the addition of a binder;
- e) application of pressure or vacuum to the mold cavity containing puffed popcorn granules;
- f) temporary exposure of the puffed popcorn granules contained in the mold cavity in a targeted manner to electromagnetic radiation in a frequency range from ≥30 KHz to ≤300 GHz to produce a shaped part;
- g) optional coating of a surface of the shaped part;
- and
- h) optional lamination of the shaped part to another shaped part.
Dependencies are inferred from the claim text.