NTU scientists say their eco-friendly reusable pollen-based paper could be alternative to conventional paper

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SINGAPORE — Scientists at Nanyang Technological University (NTU) have developed a type of paper made from the plant material pollen that can be printed on, then erased, then printed on again up to eight times.

They said the pollen-based paper could become an eco-friendly alternative to conventional paper, causing less damage to the environment.

The material is created by adding potassium hydroxide to sunflower pollen grains. The process of transforming pollen to paper is similar to traditional soap making, a much simpler and less energy-intensive process than wood-pulp paper. This process of treating pollen paper with acid, printing, then rinsing off the printed image, could be repeated another eight times without losing the quality of the paper or the printed images, the researchers noted.

 

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