linkage of amylose starch allows it to be flexible and digestible. Starch-based biodegradable plastics may have starch contents ranging from 10% to greater than 90%. Starch based polymers can be based on crops such as corn (maize)‚ wheat or potatoes. Starch content needs to exceed 60% before significant material breakdown occurs. As the starch content is increased‚ the polymer composites become more biodegradable and leave less recalcitrant residues. Often‚ starch-based polymers are blended
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pestle. The banana pulp was bleached with calcium hypochlorite and hydrogen peroxide‚ and was washed thoroughly to removed any trace of chemical. Three different treatments of handmade paper were produced with three replicates for each treatment. Non-standard physical test for folding endurance‚ tear factor‚ and tearing astreghnt were done on each treatment of the handmade paper produced. Qualitative descriptions were assigned to each treatment in terms of the paper’s color‚ writability and texture
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describe the breakdown of material into the base components of carbon‚ hydrogen‚ and oxygen by microorganisms. Now biodegradable is commonly associated with environmentally friendly products that are part of the earth’s innate cycle and capable of decomposing back into natural elements. Biodegradation is the chemical dissolution of materials by bacteria or other biological means. Biodegradable matter is generally organic material such as plant and animal matter and other substances originating from living
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Science One World Essay---The Use of Biodegradable Plastics By: Joyce Wu Y10 Peace The “normal” plastic products that we use everyday (such as plastic bags‚ plastic food packaging‚ plastic eating utensils etc.) are manufactured from non-renewable sources (coal‚ oil and natural gas). These plastics are non-degradable and take more than hundreds of years to break down in landfills‚ while 29 billion tonnes of this non-degradable plastic waste are dumped into those landfills every year worldwide!
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Fantastic Plastic an Optimistic Prospect Introduction A. Background of the study A plastic is a type of synthetic or man-made polymer; similar in many ways to natural resins found in trees and other plants. Webster’s Dictionary defines polymers as: any of various complex organic compounds produced by polymerization‚ capable of being molded‚ extruded‚ cast into various shapes and films‚ or drawn into filaments and then used as textile fibers. Plastics are durable that is why most of
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Chemicals in Food Chemicals are added to food for (i) their preservation‚ (ii) enhancing their appeal‚ and (iii) adding nutritive value in them. Main categories of food additives are as follows: (i) Food colours (ii) Flavours and sweeteners (iii) Fat emulsifiers and stabilising agents (iv) Flour improvers – antistaling agents and bleaches (v) Antioxidants (vi) Preservatives (vii) Nutritional supplements such as minerals‚ vitamins and amino acids. Except for chemicals of category (vii)‚ none
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with its Laundry detergent bar‚ RIN. The overall objective of the marketing planning was to differentiate and position RIN‚ a non-soap detergent bar‚ as a fabric washer that gives consumers a superior cleaning power with much less effort than what is currently obtainable in the market. Lever ‘s seeks to gain an entry into the laundry soap segment where it currently does not have product offering. The Company hopes to capitalize on the success in its two brands of Non-soap Detergent powders‚ Surf
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The purpose of this entire experiment was to find a way to help slow or even stop the spreading of oil. The substances that were used were Dish soap‚ Laundry detergent‚ and Kosher salt. After test the three‚ laundry detergent seemed to stop the oil the most. The oil took over 5 minutes to get through the detergent. The oil took 8.8 seconds to get through the soap. The oil took 16.8 seconds to get through the salt. The first step is to gather all the supplies needed for the experiment. The next
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Effectiveness of Alternative Washing Detergents Using Readily Available Household Products Fruity Four: Natalie Yeo (L) Xie Qiuyang Yap Ching Yit Zhang Jingyuan CHIJ St.Nicholas Girls’ Secondary School Introduction Ever since the first synthetic detergents were developed following World War I‚ chemical detergent has become a household necessity. There are various types of laundry detergents.However‚ most of them cause severe harm to the environment‚ as well as human beings. According
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American Intercontinental University Unit 4 Individual Project MKTG 205 – Principles of Marketing 8-12-2011 Abstract This paper is a marketing plan for Tide laundry detergent. It will start out introducing Tide giving a brief description of the situation analysis‚ marketing strategy. It will give an overview of the product and service and strategies to consider. What Tide’s pricing strategy they use and talk about their distribution channels. This paper will give an overview of integrated
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