'Ch3 ch3' diaporamas de présentation

Lecture 17

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Chem-805 Identification of organic and inorganic compounds by spectroscopy

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Chapter 4

Chapter 4. Stereochemistry. Stereochemistry of open chain alkane. Stereochemistry of ring alkane. Stereochemistry. Spatial arrangement of atoms in a molecule or ion. Function and reactivity of a molecule is determined by its 3-dimensional geometry. Chapter 4. Stereochemistry .

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Measuring Refractive Indices of Nematic LC Elastomers

Measuring Refractive Indices of Nematic LC Elastomers . Volodymyr Borshch Research advisor: Professor Peter Palffy-Muhoray 25 August 2008. Outline. Motivation Nematic LC elastomer Methods and previous results Theory Materials selection Experimental setup Obtained data Conclusions

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Cross-linking = Curing

Cross-linking = Curing. OH. O. O. CH 3. CH 3. O. O. CH. O. O. CH 2. CH 2. CH 3. CH 3. N. Reactive Sites. Reaction via the OH- group[s] Resole, Amine-formaldehyde resins Elevated Temperature Polyisocyanates Room Temperature Reaction via the Epoxy -groups Catalytic

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Cyclic hydrocarbons

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+ CH 2 Cl

Problem 1:. H. AlCl 3. ?. + CH 2 Cl. Problem 2:. H. FeBr 3. ?. + CH 3 CH 2 CH 2 Br. Problem 3:. H. HF. +. ?. ?. Problem 4:. SO 3 H. CH 3 CH 2 Br. ?. FeBr 3. Problem 5: Show the mechanism for the Friedel-Crafts Alkylation of benzene and CH 2 Cl 2 with SbCl 5 catalyst.

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Atomic Layer Deposition for Alumina Coating

CH 4. CH 3. CH 3. CH 3. CH 3. Al. Al. Al. Al. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. CH 3. Al. Al. Al. Al. OH. OH. OH. OH. OH. OH. OH. OH. OH. OH. OH. OH. OH. CH 4. H 2 O. H 2 O. OH. OH. CH 3. CH 3. Al.

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