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  2. Monomer - Wikipedia

    en.wikipedia.org/wiki/Monomer

    Ethylene gas (H 2 C=CH 2) is the monomer for polyethylene.; Other modified ethylene derivatives include: tetrafluoroethylene (F 2 C=CF 2) which leads to Teflon; vinyl chloride (H 2 C=CHCl) which leads to PVC

  3. Degree of polymerization - Wikipedia

    en.wikipedia.org/wiki/Degree_of_polymerization

    The degree of polymerization, or DP, is the number of monomeric units in a macromolecule or polymer or oligomer molecule. [1] [2] [3]For a homopolymer, there is only one type of monomeric unit and the number-average degree of polymerization is given by ¯ ¯ = ¯, where ¯ is the number-average molecular weight and is the molecular weight of the monomer unit.

  4. Glossary of chemistry terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemistry_terms

    This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools, glassware, and equipment. Chemistry is a physical science concerned with the composition, structure, and properties of matter , as well as the changes it undergoes during chemical reactions ...

  5. Macromonomer - Wikipedia

    en.wikipedia.org/wiki/Macromonomer

    In polymer chemistry, a macromonomer (or macromer) is a macromolecule with one end-group that enables it to act as a reactive monomer and undergo further polymerization. ...

  6. Macromolecule - Wikipedia

    en.wikipedia.org/wiki/Macromolecule

    According to the standard IUPAC definition, the term macromolecule as used in polymer science refers only to a single molecule. For example, a single polymeric molecule is appropriately described as a "macromolecule" or "polymer molecule" rather than a "polymer," which suggests a substance composed of macromolecules.

  7. Ring-opening polymerization - Wikipedia

    en.wikipedia.org/wiki/Ring-opening_polymerization

    A polymerization in which a cyclic monomer yields a monomeric unit which is acyclic or contains fewer cycles than the monomer. Note: If monomer is polycyclic, the opening of a single ring is sufficient to classify the reaction as ring-opening polymerization. Modified from the earlier definition. [1] [2]

  8. Ribonucleotide - Wikipedia

    en.wikipedia.org/wiki/Ribonucleotide

    Ribonucleotides themselves are basic monomeric building blocks for RNA. Deoxyribonucleotides, formed by reducing ribonucleotides with the enzyme ribonucleotide reductase (RNR), are essential building blocks for DNA. [1] There are several differences between DNA deoxyribonucleotides and RNA ribonucleotides.

  9. Functionality (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Functionality_(Chemistry)

    However, IUPAC definition and the use of the term in organic chemistry differ with respect to the functionality of a double bond. [ 6 ] [ 9 ] In polymer chemistry, a double bond possesses a functionality of two (because two points of contact for further polymer chains are present, on each of the two adjacent carbon atoms), while in organic ...

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