Lyocell Lyocell is a newly manufactured cellulose fibre which is used in a wide range of clothing and household textiles due to its very unique properties. These properties include: strong‚ long lasting‚ variety of textures (including silky and denim feel)‚ absorbent and wicks moisture. In addition it is very durable‚ so it can be used in conveyor belts‚ oil filters‚ and capacitor separators. Lyocell is made by dissolving wood pulp into amine oxide solvent which changes chemical and surface properties
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Rayon is a manufactured regenerated cellulose fiber. Because it is produced from naturally occurring polymers‚ it is neither a truly synthetic fiber nor a natural fiber; it is a semi-synthetic[1] fiber. Rayon Fiber Characteristics o Highly absorbent o Soft and comfortable o Easy to dye o Drapes well Some Major Rayon Fiber Uses • Apparel: Accessories‚ blouses‚ dresses‚ jackets‚ lingerie‚ linings‚ millinery‚ slacks‚ sportshirts‚ sportswear‚ suits
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fragments readily to facilitate robust bonding in tablets compacts‚ e.g. microcrystalline cellulose. Ideal diluents should have requirements such as; be chemically inert‚ be non-hygroscopic‚ be biocompatible‚ have acceptable taste‚ possess biopharmaceutical properties (e.g. water soluble or hydrophilic) EXAMPLES OF DILUENTS Lactose Sucrose Glucose Mannitol Sorbitol Calcium phosphate Calcium carbonate Cellulose II. Disintegrants Disintegrants cause rapid break up of solid dosage forms
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Durian husk is also used as a material in making hand made paper. You can make artistic paper which has particular patterns when you make it out of durian husk pulp. To make paper from durian husks: Chop some durian husks into small pieces. Put them into a cooking pan or drum (depends on how much husk you cook)‚ add water to the pan until all husks are soaked. Cooked the husks for about 1 to 1.5 hours to soften them. Let them cool down to room temperature. Put them in the blender to crush
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Lenzing AG: Expanding in Indonesia Case Review Summary Lenzing AG is one of the worlds largest rayon fiber manufacturers‚ originating in Lenzing‚ Austria. In 1938 Lenzing AG was founded‚ starting pulp and viscose fiber production. Up until the 1980’s‚ Lenzing was a company that held its production and management in the same country and town where the company had originated. Until one day ‚ the Chairman of Lenzing had agreed to go into a joint partnership with an international investor
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I could hardly contain my delight when I received an invitation to a “Horror Party” which has held in honour of Countess Dracula’s birthday. The Countess was actually my best friend‚ Sandra‚ and she wanted a special party to celebrate her fourteenth birthday. The day before the party‚ some of us went to Sandra’s house to decorate the place. We paid attention to all the details‚ covering the lights with colored cellophane paper and even decorating the trays with tinsel. We also put up all kinds
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Lab BCH2333 Section: 4 (Monday afternoon 1st week) Experiment 1: Carbohydrates Separation Techniques Based on Molecular Size Demonstrator: Date Preformed: January 26th‚ 2015 Date of Submission: February 2nd‚ 2015 Team #: Purpose The purpose of this experiment is essentially two-fold. Two of the four experimental procedures of this laboratory will be used to gain a conceptual and practical understanding of separation techniques used to isolate monomers from their respective polymers. Namely
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picture film base: • Cellulose nitrate was the first material used. Discontinued in the 1950s because it was highly flammable‚ cellulose nitrate is chemically unstable if stored in conditions that are too damp (it can decompose) or too hot (it can self-ignite). • Cellulose acetates were developed to replace nitrate. Cellulose triacetate‚ called safety base‚ is much safer to use and store than nitrate. Most current KODAK and EASTMAN Motion Picture Films are coated on a cellulose triacetate base. • Polyester
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Group: C Date of experiment: 30/3/2012 Date of report: 3/4/2012 Experiment 5: Polymers Aim: This experiment is to prepare polymeric materials including polystyrene‚ Nylon6‚ 10‚ and cellulose triacetate. Introduction: A polymer consists of repeating subunits in the form of –A-A-A-A-A- or A-B-A-B-A-B-‚ where A and B are different subunits. These sub-units are typically connected by covalent chemical bonds. Polymerization is the process
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1. Cellulose‚ starch‚ and glycogen are very similar‚ yet very different. Describe the process by which each of these molecules is formed. Why does the subtle difference in how the simple sugar monomers are bonded in starch and cellulose affect how the two molecules are used? Cellulose is built from glucose molecules bonded covalently together through a process known as hydrolysis. Hydrolysis is a chemical process in which a molecule of water is added to a substance. Each alternating glucose
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