{"id":1825,"date":"2019-12-03T11:35:09","date_gmt":"2019-12-03T02:35:09","guid":{"rendered":"https:\/\/www.mirai.design.kyushu-u.ac.jp\/?p=1825"},"modified":"2022-10-28T14:24:14","modified_gmt":"2022-10-28T05:24:14","slug":"nanocellulosexearth-shaping-nanocellulose-into-vessels-experimental-report-1-can-earth-be-reinforced-using-nanocellulose","status":"publish","type":"reports","link":"https:\/\/www.mirai.design.kyushu-u.ac.jp\/en\/reports\/nanocellulosexearth-shaping-nanocellulose-into-vessels-experimental-report-1-can-earth-be-reinforced-using-nanocellulose\/","title":{"rendered":"Nanocellulose\u00d7Earth ~ Shaping nanocellulose into vessels~ Experimental Report 1 \u201cCan earth be reinforced using nanocellulose?\u201d"},"content":{"rendered":"
\n

Kyushu University Faculty of Design, Faculty of Agriculture, and the Kondo Research Group collaborated in 2018 to launch a nanocellulose design project<\/a> based on the theme of eliminating plastic. In addition to the organization of courses for Faculty students by Assistant Professor Naoshige Akita from the Graduate School of Design, we have also pursued ideas that were raised last year and worked on the production of several prototypes in 2019.<\/p>\n

One of these projects is an experiment on “vessels made from nanocellulose and earth” which we will be reporting. The purpose of this experimental production was to create the very first plant-based vessel by drawing on two special properties of nanocellulose that allow for the “reinforcement of earth” and the “maintenance of the water-retention ability of earth.”<\/p>\n

\u201cWhat is nanocellulose?\u201d \u201cWhat are SDGs?\u201d<\/p>\n

Through the production of prototypes, we aim to gradually attract the interest of more people in achieving SDGs by invoking a sense of curiosity in them and encouraging them to raise simple questions. We have embarked on this experimental production with the hope of allowing vessels made from nanocellulose and earth to become a source of motivation for people to tackle environmental problems such as the elimination of plastic that appear extremely distant through paying attention to matters that feel closer to us. In the course of creating vessels from nanocellulose and earth, we first performed the following experimental procedures to confirm if “earth can be reinforced with nanocellulose.”<\/p>\n

Experimental Method<\/h3>\n

1. Changing the ratio of water, nanocellulose, and bond, and combining the mixture with earth
\n2. Drying the mixture under natural conditions
\n3. Confirming if the earth is reinforced<\/p>\n

1. Preparation of nanocellulose solution<\/h3>\n

20 g of nanocellulose with a concentration of 10% was diluted with 200 ml of water to obtain a nanocellulose solution with a concentration of 1%, which is a viscous solution with a mayonnaise-like texture.
\nThe following 4 types of solutions were prepared for the \u201creinforcement of earth.\u201d
\n(1) Nanocellulose + water
\n(2) Bond + water
\n(3) Bond + nanocellulose + water
\n(4) Water only
\n\u203bThe bond used in this step is a type that is normally used for wallpaper during construction works, and its only components are polyvinyl acetate (41%) and water (59%).<\/p>\n

In this step, we witnessed the emulsion effect (which facilitates the mixing of two different substances) which is a distinctive characteristic of nanocellulose!<\/p>\n<\/div>\n

\"\"<\/div>\n
\u25b2(1) Nanocellulose + water mix together very well<\/div>\n
\"\"<\/div>\n
\u25b2(2) Bond + water result in two immiscible layers with the bond settling to the bottom even when they are mixed vigorously with a whisk<\/div>\n
\"\"<\/div>\n
\n

\u25b2(3) Bond + nanocellulose + water mix together easily within 3 minutes even in the absence of excessive force. The effect of nanocellulose is evident here.<\/p>\n

Vermiculite is our choice of earth. This mineral has the appearance of wood chips and its multilayer structure gives rise to excellent water-retention properties. The respective volumes of earth and aqueous solution to be mixed is the same in all instances.<\/p>\n<\/div>\n

\u00a0\"\"<\/div>\n
\"\"<\/div>\n
\u25b2\uff08Left\uff09Water only, (Right) Bond + water. Aqueous solution remains in the bowl in these two cases.<\/div>\n
\"\"<\/div>\n
\n

\u25b2 (Left) Nanocellulose + water, (Right) Nanocellulose + bond + water. In these cases, the water is well absorbed and no solution remains in the bowl. The final product is an elastic solid resembling cookie dough.<\/p>\n

2. Drying the mixture under natural conditions<\/h3>\n<\/div>\n
The four types of earth derived from the above methods are dried naturally over the course of 14 days. Ice trays and silicon trays are used as their molds.<\/div>\n
\"\"<\/div>\n
Differences could be clearly seen after 14 days!<\/div>\n
\"\"<\/div>\n
\u25b2Clockwise from upper left: Water only, bond + water, bond + nanocellulose + water, nanocellulose + water.
\nThe two products containing nanocellulose are extremely firm without any noticeable damage when they are touched or dropped to the ground. There is also a distinct difference between the products with and without bond.<\/div>\n
\"\"<\/div>\n
\u25b2 (Left) Nanocellulose + water, (Right) Bond + nanocellulose + water.
\nThe earth made from nanocellulose + water is dry and light, while the earth containing bond feels sticky and moist. The earth made from nanocellulose + water was easily removed from its mold but the earth containing bond was difficult to remove.<\/div>\n
\"\"<\/div>\n
The products without nanocellulose quickly fell apart when they were removed from both the heart-shaped ice trays and the silicon trays. However, the product made from nanocellulose + water held its shape beautifully as compared to the product without nanocellulose made from water + bond (upper left).<\/div>\n
<\/div>\n

Summary of the experiment \u201cCan earth be reinforced using nanocellulose?\u201d<\/h3>\n
\u30fbEarth can be better reinforced by combining it with nanocellulose and water only instead of combining it with bond.
\n\u30fbMixing earth with bond is made easier by harnessing the emulsion effect offered by simultaneously adding nanocellulose.
\n\u30fbProducts made from nanocellulose + water + earth dry more completely without leaving any moisture as compared to products made from bond + nanocellulose + water + earth.We will continue working on this experimental production involving \u201cvessels made from nanocellulose and earth\u201d and we will share any further results that we obtain.<\/div>\n
<\/div>\n
\uff3bDate\uff3dSeptember 15th, 2019 – September 23th, 2019<\/div>\n","protected":false},"featured_media":1823,"template":"","reports_category":[208],"class_list":["post-1825","reports","type-reports","status-publish","has-post-thumbnail","hentry","reports_category-sdgs-design-unit"],"acf":[],"yoast_head":"\nNanocellulose\u00d7Earth ~ Shaping nanocellulose into vessels~ Experimental Report 1 \u201cCan earth be reinforced using nanocellulose?\u201d | Center for Designed Futures of Kyushu University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mirai.design.kyushu-u.ac.jp\/en\/reports\/nanocellulosexearth-shaping-nanocellulose-into-vessels-experimental-report-1-can-earth-be-reinforced-using-nanocellulose\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nanocellulose\u00d7Earth ~ Shaping nanocellulose into vessels~ Experimental Report 1 \u201cCan earth be reinforced using nanocellulose?\u201d | Center for Designed Futures of Kyushu University\" \/>\n<meta property=\"og:description\" content=\"Kyushu University Faculty of Design, Faculty of Agriculture, and the Kondo Research Group collaborated in 2018 to launch a nanocellulose design project based on the theme of eliminating plastic. 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