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Bioplastic Synthesis

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Published in: Bio Chemistry
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Bioplastic synthesis Project being done by me and friends for attending a national conference at chennai.

Akash B / Kochi

1 year of teaching experience

Qualification: Pursuing Chemical Engineering

Teaches: Biology, Botany, Chemistry, English, Geography, Social Studies, Zoology, Chemical

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  1. R UVANNAMALAI SYNTHESIS OF BIO-PLASTICS FROM BIO-WASTE SUBMITTED BY AKASH BALAKRISHNAN K. BHAVYA DEPARTMENT OF CHEMICAL ENGINEERING ARUNAI ENGINEERING COLLEGE TIRUVANNAMALAI
  2. WHY BIOPLASTICS? In this era, we have to focus on biodegradable plastics and the trending one is bio-plastic " a new gen plastic". Bioplastics are plastic derived from renewable biomass sources, such as vegetable fats and oils, corn starch, or micro biota, and other bio wastes". Here we are focussing on synthesis of bio-plastic from bio- wastes such as sugarcane baggase and mixture fruit pulp which includes jackfruit, banana peel, mango, nutmeg, duranian seeds. The use of bioplastics offers significant advantages not only in an ecological sense but also in an economical sense.
  3. Environmentally degradable plastics are increasing in popularity because of environmental issues facing the society. The biodegradable plastics currently developed can be categorized into the following that somewhat overlap: i. Natural polymers that use polysaccharides such as starch ii. Microbial polyesters that use the biological activity of microorganism's iii. Blends with accelerated degradation properties that are regular plastics with degradation accelerator additives iv. Chemical synthetics that include aliphatic polyesters.
  4. OBJECTIVE Synthesis of bio-plastic from bio-wastes such mixed fruit pulp of jackfruit, banana peel, mango peel, nutmeg etc. Thus to minimize the pollution by motivating the use of eco-friendly plastic yes "bio-plastic".
  5. Lite re Here, we had elected fruits such as banana, jackfruit, duranian seeds, etc. because it's a bio-waste rich in starch.
  6. PROCEDURE The biodegradable plastic product in accordance with the present invention is constituted of a biodegradable plastic blended with the skin of fruits in paste form, the fruits include mango, banana and jackfruit, and at least one additive member of selected group consisting of a plasticizer, a cross-linking agent and a surfactant is to be included Preparation of mixed fruit pulp The skins of fruits like mango, banana, jackfruit, nutmeg, are sliced in to pieces. secondly theses pieces are to washed and cleaned using water and to be followed by disinfectant. Allow it to dry Later boil the above mixture in 800ml of water for 45 minutes.
  7. Keep the boiled solution for 24 hours without disturbance. Later filter the solution using no.40 wattmann filter paper. Mixed fruit pulps are to be blended in to paste using an hand blender. Synthesis of bio-plastics The amounts of each constituent are as follows: i. About 10g weight of fruit skin in paste form; ii. About 10 to 25% weight percent of at least one additive member selected from the group consisting of a plasticizer, a cross-linking agent and a surfactant. iii. Specifically, the preferred amounts of each of the additive member are as follows: I. 2-3g of plasticizer like propan1-2-3 triol. ii. 0.5 to 2.0g of cross-linking agent like gultaldehyde. iii. 0.8 to 1.6 weight percent of surfactant like polysorbate 80.
  8. A biodegradable polymer, the selected and processed fruit waste in paste form and a plasticizer are physically pre- mixed in distilled water and the mixture is refluxed at a temperature ranging from 900C to 1000C for 40 minutes and to be stirred. Next, a cross-linking agent is added and the mixture is refluxed at a temperature of 950C for 40 minutes. This is followed by the addition of a non-ionic surfactant and the mixture is refluxed at a temperature of 850C for 10 minutes to remove air bubbles trapped and formed during the stirring process. Throughout the mixing and blending is to be done properly. The resulting biodegradable polymer solution is then collected and to remove remaining air bubbles.
  9. Duranian flour can be added for increasing the strength of bio-plastic the biodegradable plastic product, the biodegradable polymer solution is immediately poured onto a leveled glass plate framed four glass bars, and spread evenly with a glass rod. a cross- linking agent may be added in order to improve interaction between biodegradable polymer and paste, thereby the properties, especially tensile properties. Plasticizers and non-ionic surfactant are normally added to plastics at the appropriate stage in the process to improve the blending.
  10. Results A thin sheet of bio-plastic was obtained from the mixed fruit pulp.
  11. Discussions The prepared bio-plastic sheet is about the 30 x 18cm. The given sample was heated -then it doesn't produce any foul smell with emission of very little plastic. The prepared sheets size was in micrometer. We found that the plastic sheet is biodegradable. exactly it took 5 days for its decomposition by land fill methodology. Its water resistant. This bio-plastics are soft in touch and dark colored due to presence of fruit waste. It resembles the structure of polythene sheet Compostab\e
  12. FUTURE ASCEPTS Further we trying to increase the strength of bio-plastic by adding bio-materials. Trying to improve the thickness of plastic sheet by using different metal plates. To improve flexibility, elasticity by adding bio-materials. Usage of wide variety of dyes and to determine their properties. To synthesis bio-plastics from biomass is our undergoing research arena.
  13. APPLICATION Bioplastics can be used manufacturing of shopping bags. Sony has replaced its employees' id cards using bioplastics so it is evident that it can be developed into large scale practices. Utensils can be made from the bio-plastics. It's is been used for making auto parts in Toyota plant. These plastics are also used in non-disposable applications including mobile phone casings, carpet fibers, insulation car interiors, fuel lines, and plastic piping. The bio-plastics are used to obtain disposable crockery and cutlery, as well as pots and bowls, pack foils for hamburgers and straws .
  14. CONCLUSION The bio-plastics are the new generation plastics which is become popular in this world only because of its significant property like bio-degradable. It can be quoted as the "eco-friendly product" These plastics are going to make tremendous change in the world and we can except that it will replace the conventional plastic in future.

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