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Rev7 Gum
Rev7 Gum is a chewing gum, which after chewing is "removable" and "degradable", developed by the British company (Revolymer ).〔(【引用サイトリンク】url=http://www.revolymer.com/removable_gum )〕 The idea behind the gum's composition was developed by Professor Terence Cosgrove at the University of Bristol.
Rev7 is designed to be a low adhesive gum that, unlike conventional gum, can be easily removed from a variety of surfaces, and which degrades and disperses over a short time-scale when in contact with water.〔(【引用サイトリンク】url=http://www.revolymer.com/removable_gum )〕
== Composition ==
Conventional chewing gums use poly(styrene-co-butadiene) or poly(ethylene-co-vinylacetate). In contrast, Rev7 Gum contains an amphiphilic material, containing both hydrophobic (water repellent) and hydrophilic (water attracting) regions, which aids in the degradability and removability of the substance. It is composed of a polyisoprene backbone and grafts of poly(ethylene oxide) (PEO)〔(【引用サイトリンク】url=http://www.rsc.org/chemistryworld/News/2010/October/07101002.asp )〕 and has a CAS number of 1246080-53-4.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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