Having to sacrifice the last bits of shampoo to a bottle that refuses to give it up can be incredibly frustrating.
Multiply that by the billions of bottles getting tossed prematurely, and it can also result in unnecessary waste and excess landfill.
Scientists at The Ohio State University have developed an environmentally conscious and cost effective way to put an end to such troubles.
The team created an interior coating for polypropylene containers that allows product to glide smoothly out of the nozzle.
According to a press release issued by the university, "The technique involves lining a plastic bottle with microscopic y-shaped structures that cradle the droplets of soap aloft above tiny air pockets, so that the soap never actually touches the inside of the bottle. The 'y' structures are built up using much smaller nanoparticles made of silica, or quartz—an ingredient in glass—which, when treated further, won't stick to soap."
In addition to shampoo, the means is effective for other soapy, sticky substances like laundry detergent, hand wash, and dish cleaner.
The development could result in more bottles ending up in the recycling bin, as the new method will make it possible to get them clean enough to qualify.
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