"Polymer engineering" Essays and Research Papers

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    Engineering Flexible Manufacturing System (FMS) Name University Course Instructor Date Engineering Flexible Manufacturing System A. The effectiveness of the FlexSim simulation package in designing and planning the flexible manufacturing system and evaluating its performance FlexSim is one of the most advanced simulation tools used currently in the manufacturing sector (Kumar et al.‚ 2015). The simulation engine is located beneath a number of intuitive controls including drop-down lists‚ drag

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    evidently proves the addition of polybutadiene increases the impact strength of HIPS. During polymerisation‚ the addition of polybutadiene prevents the polymer chains from aligning. This means that there will a reduction of crystalline structures that can be formed. This results in a larger amorphous area‚ giving it the properties of an amorphous polymer. Since it

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    microstructural analysis of spheroidized hydroxyapatite- poly (etheretherketone) biocomposites Authors: M.s. Abu Bakar‚ P. Cheang‚ K.A. Khor Journal: Materials Science and Engineering A345 (2003) 55-63. In the present article‚ the authors investigate the use of flame spheroidized hydroxyapatite particulates in a PEEK polymer for usage as bone analogue materials. Metallic implants have been used for orthopedic implants in the past‚ but polymeric implants have been explored due to stress-shielding

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    Polyimide Composites

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    References: [1] Numata S‚ Oohara S‚ Fujisaki K‚ Imaizumi J‚ Kinjo N. Thermal expansion behvior of various aromatic polyimides. J Applied Polymer Science 1986;31:101–10. [2] Mascia L. Developments in organic-inorganic polymeric hybrids: ceramers. Trends in Polymer Science 1995;3:61–6. [3] Jou J-H‚ Chen L-J. Simultaneous determination of the biaxial relaxation modulus and thermal expansion coefficient of rigid-rod polyimide films using bending beam techniques

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    that generally make up paint are Pigments‚ Binders and Solvent. Pigments are what produce a particular color of paint. Binders are what provide support for the paint and the solvent is what makes the paint into a liquid. 3. What are polymers? Polymers are substances that are made up of many atoms that form in repeating patterns. 4. What is a scanning electron microscope? What are its advantages? The scanning electron microscope is a microscope that works by shooting beams of electrons

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    Polyvinyl Ethanoate Essay

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    Introduction A polymer is a large molecule comprised of numerous smaller molecules. It is possible for these large molecules to be linear‚ moderately branched‚ or highly interconnected. In the latter case the structure progresses into a large three-dimensional complex. The small molecules that serve as the basic building blocks for these large molecules are known as monomers (See Figure 1.1). An example of the relationship between a monomer and polymer is the commercially important material polyvinylchloride

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    nano technology

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    Table of Contents Page 1. Introduction 3 2. PROCESSING TECHNIQUES FOR MAKING NANOFIBERS 3 2.1. DRAWING 3 2.2. TEMPLATE SYNTHESIS 4 2.3. PHASE SEPERATION

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    INTRODUCTION In this lab‚ we will be measuring the viscosity of samples of polyvinyl alcohols in order to determine the molecular mass of their components. Polyvinyl alcohol is an example of a synthetic polymer‚ which is a macromolecule. The general chemical structure of such compounds are well-characterized‚ although variation in characteristics such as molar mass‚ chain length‚ and extent of branching are not obvious from merely looking at their molecular formula. There is also the complication

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    Microencapsulation

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    MICROENCAPSULATION Microencapsulation: Definition: It is the process by which individual particles or droplets of solid or liquid material (the core) are surrounded or coated with a continuous film of polymeric material (the shell) to produce capsules in the micrometer to millimetre range‚ known as microcapsules. Microencapsulation (Cont.): Morphology of Microcapsules: The morphology of microcapsules depends mainly on the core material and the deposition process of the shell. 1- Mononuclear

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    Disadvtages of plastics

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    000 to 500‚000 amu‚ while thermosets are assumed to have infinite molecular weight. These chains are made up of many repeating molecular units‚ known as repeat units‚ derived from monomers; each polymer chain will have several thousand repeating units. The vast majority of plastics are composed of polymers of

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