Molecular Recognition (Supramolecular Chemistry) in organic chemistry deals with the "lock and key " mechanisms  that form new molecules. However, little is known of this subject when moleules go beyond 1500 daltons (g/mole) for example macromolecules of polyolefins (polyethylene, polypropylene), thermoplastic polyesters and polyamides (nylon). It is understood that pre-directional H bonding is the mechanism of molecular recognition of macromolecules. Question: What is the immediate and post manifestation of inducing molecular recognition to condensation polymers and ring opening polymerization polymers like thermoplastic polyesters (PET ), and Nylon 66, 6 etc. (polyamides)?

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL2: Mass Spectrometry
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Molecular Recognition (Supramolecular Chemistry) in organic chemistry deals with the "lock and key " mechanisms  that form new molecules. However, little is known of this subject when moleules go beyond 1500 daltons (g/mole) for example macromolecules of polyolefins (polyethylene, polypropylene), thermoplastic polyesters and polyamides (nylon). It is understood that pre-directional H bonding is the mechanism of molecular recognition of macromolecules. Question: What is the immediate and post manifestation of inducing molecular recognition to condensation polymers and ring opening polymerization polymers like thermoplastic polyesters (PET ), and Nylon 66, 6 etc. (polyamides)? 

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Based on the answer to my question my follow-up question refers to processing. How does hydrogen bonding interactions affect the processing temperatures of these polymers? And what would we expect to occur?

Why does hydrogen bonding affect thermal stabiltiy (thermo-oxidative stability) and affect degradation of the macromolecule. What is the mechanism of this interaction?

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