Polymers – Page 5
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ResearchImpossible aerogel that reflects more visible light than it receives prompts scepticism
Material made from salmon sperm and gelatin touted as greener way to cool buildings
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ResearchGlassy gel superpolymer is sticky and can self-heal but is also hard yet stretchy
New class of polymer owes its properties to ionic liquid solvent
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ResearchElectronic cooling device is part fridge, part muscle
Soft polymer material flexes to move heat between surfaces
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FeatureConserving Barbie from degradation
Although she is a cultural icon, conserving Barbie has its challenges: as with most plastic toys and dolls, she was not made to last. Rachel Brazil investigates how conservation scientists are approaching this sticky problem
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ResearchChemists and linguists unite to encode Confucian proverb using sequence-defined polymers
Interdisciplinary collaboration tests how two encoding schemas preserve the visual details of Chinese characters
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NewsPlastic chemicals review reveals thousands of compounds have little safety data
Existing scientific knowledge on hazards of plastic chemicals compiled in dossier for decision makers
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ResearchConcerns raised over health effects of chemicals leaching from food packaging
Gene assays reveal disruption to cell receptors crucial for hormonal and metabolic control
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BusinessUS derailment highlights continuing chemical rail freight concerns
Three-train crash in Pennsylvania leaked diesel and plastic pellets into waterways
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OpinionBin Liu: ‘Breakthroughs always need patience’
The materials expert on deciding to become a scientist, collaboration and fishing
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ResearchUnique polymer can switch from rigid cutlery to an adhesive to malleable plastic
Process that mimics tempering of metals can even be reversed in multi-use plastic
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ResearchEngineered enzymes break down silicon–carbon bonds in siloxane, an emerging pollutant
Directed evolution offers a way to tackle waste silicone
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ResearchSlow Arrhenius process identified in molecular glasses
Findings challenge common ideas on glassy dynamics
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FeatureEditing polymer backbones
Changing the chemical makeup of a polymer backbone could revolutionise how we make, use and even recycle plastics. James Mitchell Crow reports
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ResearchThermodynamically stable ‘plumber’s nightmare’ structure self-assembles from block copolymers
The crucial role of end group and linker chemistry enabled creation of the infamous structure, offering a new way to produce nanoscale architecture
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ResearchNanoplastics make up around 90% of the plastic particles found in bottled water
Seven different types of plastic detected in three bottled water brands
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OpinionJulia Kornfield: ‘I’ve often followed an instinct about a person’
The polymer expert on power imbalances and following her instinct
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ResearchBonding nanoparticles to rubber increases material’s fatigue resistance sixfold
Discovery puts rubber on the road to tougher tyres
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NewsChemical recycling finds itself in the firing line as viability of process questioned
Analysis finds that ‘advanced recycling’ creates a toxic waste problem, but some researchers are concerned important nuance is not acknowledged