Nonmetallic heating filament and preparation method thereof
A heating wire and non-metal technology, applied in the field of non-metal heating wire and its preparation, can solve the problem of high cost of metal heating wire, and achieve the effect of obvious energy saving, low operating cost and shielding electromagnetic radiation.
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[0026] According to the following components by weight, carbon composite conductive carbon paste is prepared: 1-2 parts of acrylic resin, 1-2 parts of polyurethane resin, 0.5-1 part of carbon black, 0.5-1 part of graphite, 0.1 part of leveling agent and defoaming agent dose 0.1 part.
[0027] Use a pay-off machine or a pay-off bracket to pay off the polyester-cotton yarn. When paying off, ensure that the line has a certain resistance to ensure the straightness of the line and the uniformity of the line speed.
[0028] Immerse the polyester-cotton yarn into the carbon-composite conductive carbon paste through the crimping wheel, so that the polyester-cotton yarn is immersed and hung with sufficient conductive carbon paste, and passes through a mold hole, the diameter of which is 0.38-0.80mm.
[0029] Put the dipped and shaped wire into a drying oven for drying and heating to solidify the carbon-composite conductive carbon paste to form a stable shell film. The drying temperatur...
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