Experiment #6 Polymerization Polyamide and Polyurethane price reduction CHEM 311: Organic chemistry Laboratory 2 Section 3: Wed. 2:00p.m.-4:50p.m. Jonathan Thompson And Sarah Specht 4/17/10 Abstract: In this lab polymers was study and formed. Polyurethane implication was performed by assortment diisocyanate and polyhydroxyester to make a cupcake. Nylon 6,10 synthesis was performed by pouring 1,6-hexandiamine into a beaker first and then adding sebacoyl chloride to make nylon rope. grounding: Polymers argon very(prenominal) large molecules, built from smaller molecules called monomers. Polymers give a peculiarity kitchen range structure consisting of multiple reduplicate units that be associate chemically. dissimilar repeat units result in a copolymer, extremely complicated. Some copolymers are biopolymers such as proteins and DNA that are formed for specific results to serve the purposes of the organism. thither are many ways copolymers tush be seq uenced on the backbone: alternating(a) Copolymers, Block Copolymers, Random Copolymers, and Graft Copolymers. Different techniques are utilize to synthesize these polymers, and there are assorted overall structures, such as linear, branched, and cross linked.
Step-growth and chain-growth polymerizations are cardinal different techniques that can be used to make nylons. In step-growth polymerization, the monomers, which is the starting reagent, approve and grow to form dimers, trimers, tetramers, and etc.. When this polymer reaches superior conversion, the monomers would gain been converted to elevated molec ular weight polymers. Chain-growth polymers! form high molecular weight polymers much quicker than step-growth polymers. Growing polymer chain grows so unwavering that it does not spend much m as a oligomer (long chain, but not polymers, between 10 and 100 chain length). Another way to describe polymerizations is polycondensations and polyaddition. Polycondensations are polymerizations in which a small molecule by-product is formed. Polyadditions are...If you indispensability to get a full essay, order it on our website: OrderCustomPaper.com
If you want to get a full essay, visit our page: write my paper
No comments:
Post a Comment