{"id":81,"date":"2020-09-18T17:15:38","date_gmt":"2020-09-19T00:15:38","guid":{"rendered":"http:\/\/wordpress.kpu.ca\/birkzukowsky\/?p=81"},"modified":"2020-10-08T10:51:38","modified_gmt":"2020-10-08T17:51:38","slug":"pla","status":"publish","type":"post","link":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/2020\/09\/18\/pla\/","title":{"rendered":"PLA (polylactic acid)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">PLA is a biodegradable plastic made from natural resources, such as corn or other vegetables that contain a large amount of starch (long chains of sugar glucose). In corn (the most widely used crop in the creation of PLA), the kernels are processed and the endosperm is removed, ground into corn starch, fermented to create lactic acid, and the lactic acid is polymerized (chains linked to create a polymer) into polylactic acid (also known as polylactide). <\/p>\n\n\n\n<!--more-->\n\n\n\n<div id=\"cornkernel\" class=\"wp-block-image is-style-default\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.britannica.com\/science\/endosperm\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/wordpress.kpu.ca\/birkzukowsky\/files\/2020\/09\/endosperm-Definition-Description-Importance-Britannica-1-1024x682.jpg\" alt=\"\" class=\"wp-image-144\" width=\"447\" height=\"296\" \/><\/a><figcaption>Corn kernel, Britannica 2013<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The diagram above shows how much of a corn kernel is used, as the endosperm is the only valuable component in the creation of PLA. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GMOs, cheap toxic fertilizer, lack of attention, and a slew of other reasons are why bioplastics like PLA are not being created or disposed of in the best way possible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Below are technical data sheets on two different types of PLA made by Ingeo, which supplies most of the PLA on the market. 4043D was the initial PLA put on the market while 3D850 came a few years later with increased strength and other mechanical properties.<\/p>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/wordpress.kpu.ca\/birkzukowsky\/files\/2020\/09\/TechnicalDataSheet_4043D_3D-monofilament_pdf.pdf\">4043D Technical Data Sheet<\/a><a href=\"https:\/\/wordpress.kpu.ca\/birkzukowsky\/files\/2020\/09\/TechnicalDataSheet_4043D_3D-monofilament_pdf.pdf\" class=\"wp-block-file__button\" download>Download<\/a><\/div>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/wordpress.kpu.ca\/birkzukowsky\/files\/2020\/09\/TechnicalDataSheet_3D850_monofilament_pdf.pdf\">3D850 Technical Data Sheet<\/a><a href=\"https:\/\/wordpress.kpu.ca\/birkzukowsky\/files\/2020\/09\/TechnicalDataSheet_3D850_monofilament_pdf.pdf\" class=\"wp-block-file__button\" download>Download<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>My Two Sent.&#8217;s<\/strong>: Although PLA and other bioplastics are not necessarily better (at the moment) for the environment because of current agricultural and recycling\/disposing inadequacies, this does not mean we shouldn&#8217;t be trying to implement them and start putting pressure on agriculturalists, recycling facilities, and the governments to practice more ethically and socially responsible for the Earth and its people. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">THIS POST IS A WORK IN PROGRESS<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PLA is a biodegradable plastic made from natural resources, such as corn or other vegetables that contain a large amount of starch (long chains of sugar glucose). In corn (the most widely used crop in the creation of PLA), the kernels are processed and the endosperm is removed, ground into corn starch, fermented to create &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/wordpress.kpu.ca\/birkzukowsky\/2020\/09\/18\/pla\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;PLA (polylactic acid)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":371,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,8,9],"tags":[18,17,11,16],"class_list":["post-81","post","type-post","status-publish","format-standard","hentry","category-3d-printing","category-pla","category-research","tag-biodegradable","tag-materials","tag-pla","tag-research"],"_links":{"self":[{"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/posts\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/users\/371"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/comments?post=81"}],"version-history":[{"count":16,"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/posts\/81\/revisions"}],"predecessor-version":[{"id":564,"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/posts\/81\/revisions\/564"}],"wp:attachment":[{"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/media?parent=81"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/categories?post=81"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.kpu.ca\/birkzukowsky\/wp-json\/wp\/v2\/tags?post=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}