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The Recycler Issue 331

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visit www.therecycler.com for all the breaking news<br />

New and innovative biopolymers, such as<br />

bio-based PP (polypropylene) and PHAs<br />

(polyhydroxyalkanoates) show the highest<br />

relative growth rates. In 2019, bio-based<br />

PP entered the market on a commercial<br />

scale with a strong growth potential due<br />

to the widespread application of PP in a<br />

wide range of sectors. <strong>The</strong>ir production<br />

capacities are predicted to almost sextuple<br />

by 2024. PHAs are an important polymer<br />

family, whose production capacities are<br />

estimated to more than triple in the next<br />

five years. <strong>The</strong>se polyesters are 100 percent<br />

bio-based and biodegradable, and feature<br />

a wide array of physical and mechanical<br />

properties depending on their chemical<br />

composition.<br />

What about the OEMs?<br />

In 2010 Canon and Toray Industries<br />

announced the successful development of<br />

the industry's largest exterior part made<br />

using bio-based plastic. <strong>The</strong> part, for use<br />

in Canon multifunction office systems<br />

for production printing, also achieves the<br />

world's highest level of flame retardance.<br />

<strong>The</strong> plant-derived bio-based plastics,<br />

which curb increases in CO2 and decrease<br />

<strong>The</strong> Pelikan cartridge toner is reported<br />

to have 48% bio-based content<br />

and 57% for the bio-based plastics.<br />

the consumption of oil resources, offer<br />

material properties that effectively reduce<br />

environmental burden. But because of<br />

the technological difficulties involved in<br />

realizing the moldability and other flow<br />

characteristics demanded of large-scale<br />

parts, while at the same time satisfying<br />

external appearance requirements and high<br />

mechanical strength and toughness criteria,<br />

bio-based plastics had proven difficult to<br />

adopt for use in exterior parts, particularly<br />

due to the high level of flame retardance<br />

required of such parts.<br />

HP have been looking at bio-based plastics<br />

since the turn of the century and is (or was)<br />

one of their environmental goals. Rumour<br />

has it there have been a few problems along<br />

the way. John Frey, who chaired Hewlett<br />

Packard’s environmental strategies council<br />

said at the time “<strong>The</strong> first problem we had<br />

was the polylacticacid (PLA) we used came<br />

from genetically modified crops, and that<br />

never could have been used in Europe. <strong>The</strong><br />

other problem is that they weren’t really<br />

heat stable. I took one of the pilots to a<br />

meeting in downtown Houston and then<br />

left it in my car. When I came back, the<br />

whole shell had caved in around the printer<br />

mechanism. ■<br />

Specialists in the Purchase<br />

of Unused OEM Toner for<br />

over 10 years<br />

Purchasing<br />

WE BUY SURPLUS UNUSED PRINTER TONERS & INKS<br />

Find us on:<br />

software<br />

• One of the UK's largest independent<br />

buyers of surplus OEM toners<br />

• Any OEM manufacturer, any quantity<br />

• Any grade, including ‘Open Box’ and<br />

‘No Box’<br />

• Friendly, expert staff<br />

• Fast, genuine & reliable quotes<br />

• Pan European service<br />

• Environmentally responsible<br />

Call us on 01462 605050 or<br />

visit www.thejollysavage.co.uk<br />

Find us on:<br />

software<br />

<strong>The</strong> Jolly Savage Ltd www.thejollysavage.co.uk +44(0) 1462 605050 admin@thejollysavage.co.uk<br />

<strong>Issue</strong> <strong>331</strong><br />

June 2020<br />

37

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