New colorants simplify the regeneration of black plastics

[ Jiuzhi Plastics News] Recently, a number of British companies have jointly developed a new type of plastic additive coloring agent for recycling black plastic. This new technology is compatible with existing regenerative machines and requires only minor adjustments to the software.
In the past, robots mistaked black plastic waste on black conveyor belts for transparent objects, so black plastic could not be sorted out of miscellaneous waste plastics. This new black colorant is capable of detecting and sorting black plastic packaging waste by NIR spectroscopy and can be classified according to the type of polymer. This colorant is suitable for amorphous and crystalline PET, polypropylene, high density polyethylene, polystyrene and PVC materials.

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