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Plastics from Potatoes, Rubber from Rice

An episode of the Gresham College Lectures podcast, hosted by Gresham College, titled "Plastics from Potatoes, Rubber from Rice" was published on November 26, 2018 and runs 51 minutes.

November 26, 2018 ·51m · Gresham College Lectures

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With over 80% of organic carbon being present in the form of cellulose, lignin and starch, it is unsurprising many groups have attempted to use these as feedstock chemicals and materials. Extensive hydrogen bonding makes the plasticisation of starch and the dissolution of cellulose difficult. This talk shows that the incorporation of a simple salt can lead to a flexible plastic with mechanical properties similar to oil derived plastics. Most importantly these plastics are recyclable and ult...

With over 80% of organic carbon being present in the form of cellulose, lignin and starch, it is unsurprising many groups have attempted to use these as feedstock chemicals and materials. Extensive hydrogen bonding makes the plasticisation of starch and the dissolution of cellulose difficult.

This talk shows that the incorporation of a simple salt can lead to a flexible plastic with mechanical properties similar to oil derived plastics. Most importantly these plastics are recyclable and ultimately compostable.

A lecture by Andrew Abbott, University of Leicester 26 November 2018

The transcript and downloadable versions of the lecture are available from the Gresham College website:
https://www.gresham.ac.uk/lectures-and-events/plastics-potatoes-rubber-rice

Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 2,000 lectures free to access or download from the website.

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Christianity and Liberalism by John Gresham Machen (1881 - 1937) LibriVox The purpose of this book is not to decide the religious issue of the present day, but merely to present the issue as sharply and clearly as possible, in order that the reader may be aided in deciding it for himself...In the sphere of religion, in particular, the present time is a time of conflict; the great redemptive religion which has always been known as Christianity is battling against a totally diverse type of religious belief, which is only the more destructive of the Christian faith because it makes use of traditional Christian terminology. This modern non-redemptive religion is called “modernism” or “liberalism.”...we shall be interested in showing that despite the liberal use of traditional phraseology, modern liberalism not only is a different religion from Christianity but belongs in a totally different class of religions. - Summary Adapted from Introduction Doctor Thorne Anthony Trollope Doctor Thorne is the third of Trollope's Barsetshire novels, and unlike some of the others, has little to do with the politics and personalities of the Church of England, or politics on the national level (though there is lots of politicking in the mythical county of Barsetshire itself). The plot revolves around the illegitimate Mary Thorne, who has been lovingly raised by her uncle, a country doctor, and who, as she comes of age, finds herself wondering whether she is a lady (in the county sense of the term). Frank Gresham, son of the squire of Greshamsbury, is in love with her (much against the wishes of his noble de Courcy relatives at the Castle), but she dismisses his affection at first as mere puppy love, thereby setting the scene for a series of entanglements, social, romantic, and of course, financial and propertied (never far from the action in Trollope's works). Their resolution, of course, makes up the meat of the novel. One critic has remarked that in Doctor Thorne Troll
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