branch (side chain, pendant chain) 

in polymers
Also contains definitions of: long-chain branch, short-chain branch
https://doi.org/10.1351/goldbook.B00720
An oligomeric or polymeric offshoot from a macromolecular chain.
Notes:
  1. An oligomeric branch may be termed a short-chain branch.
  2. A polymeric branch may be termed a long-chain branch.
Source:
PAC, 1996, 68, 2287. (Glossary of basic terms in polymer science (IUPAC Recommendations 1996)) on page 2297 [Terms] [Paper]
Citation: 'branch (side chain, pendant chain)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.B00720 RIS BibTex EndNote
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Last revised: February 24, 2014