Classification of polymers ppt
WebCLASSIFICATION POLYMERS Basis on interaction with water Non‐biodegradable hydrophobic Polymers:‐ E.g. Polyvinyl chloride, Soluble Polymers:‐ E.g. HPMC, PEG Hydro gels:‐ E.g. Polyvinyl pyrrolidine Based on polymerisation method Addition Polymers:‐ E.g. Alkane Polymers Condensation polymers:‐ E.g. Polysterene and Polyamide WebFor a simple polymerlike PE, somevariables are: • Chain branching degree (HDPE, LDPE, LLDPE) • Length of branches • Molecular weight average (HDPE, UHMWPE) • Defects (oxidation) • Molecular weight distribution (breadth) • Catalyst residue • End-groups Hence, properties are variable (lessreproducible) and difficult to obtain.
Classification of polymers ppt
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Web9 THERMOPLASTIC POLYMERS (cont’d) Advantages: • Unlimited shelf life -won't undergo reaction during storage • Easy to handle (no tackiness) • Shorter fabrication time • Recyclable - they undergo melt and solidify cycles • Easy to repair by welding, solvent bonding, etc. • Postformable • Higher fracture toughness and better delamination resistance Web• Polymers are large molecules (macromolecules) Polymer (5000>1,00000) , Oligomer (500-1,000) • Repetitive bonding (covalent ) of small molecules (monomers) • Characteristic chain structure of multiple repeat units …
WebPowerPoint Presentation Last modified by: Patrick Tresco Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show ... Structure of Some Common … WebSep 7, 2024 · Thermosets usually are three-dimensional networked polymers in which there is a high degree of cross-linking between polymer chains. The cross-linking restricts the …
WebThere are three types of classification under this category, namely, Natural, Synthetic, and Semi-synthetic Polymers. Natural Polymers: They occur naturally and are found in plants and animals. For example, proteins, … WebView Introduction_to_Materials.ppt from IED PRE-AP at Elkins High School. ... hardness, and texture Chemical Properties – Reactivity to acid, oxygen, and flammability Classification of Elements Elements Metals Nonmetals Metalloids ... force is released Natural or synthetic material Vulcanization Chemical process used to form strong bonds ...
WebPowerPoint Presentation Last modified by: Patrick Tresco Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show ... Structure of Some Common Polymers Chemical Structure of Some Common Polymers Chemical Structure of Some Common Polymers Classification- Chain Architecture: Linear Structures Polymer …
WebView Classification Of Polymer PPTs online, safely and virus-free! Many are downloadable. Learn new and interesting things. Get ideas for your own presentations. Share yours for … san st soft archiveWebDec 2, 2014 · Polymer classification Asif Ahmed TONMOY Follow Student at Daffodil International University Advertisement Advertisement Recommended Polymer Sagar … short navel-to-hip length ponchoWebClassification of polymers based on their structure can be of three types: (i) Linear polymers: These polymers are similar in structure to a long straight chain which identical … short nature meditation scriptWebMar 5, 2024 · Classification of inorganic polymers 1 of 27 Classification of inorganic polymers Mar. 05, 2024 • 32 likes • 29,557 views Download Now Download to read offline … sans twercking for youWebPolyethylene Terephthalate A clear, tough, polymer with exceptional gas and moisture barrier properties. PETs ability to contain carbon dioxide (carbonation) make it a good choice in soft drink bottles. 3 HDPE High Density Polyethylene Used in milk, juice and water containers in order to take advantage of its protective barrier properties short nature video download freehttp://web.mit.edu/5.33/www/lec/poly.pdf short nautica hombreWebNebraska Center for Materials & Nanoscience sans turns into a baby