Polyaddition

Polyaddition (or addition polymerisation ^[1]^[2]) is a polymerization reaction that forms polymers via individual independent addition reactions. Polyaddition occurs as a reaction between functional groups on molecules with low degrees of polymerization, such as dimers, trimers and oligomers, to form species of higher molar mass. Only at nearly complete conversions does the polymer form, as in polycondensation and in contrast to chain polymerization.^[3]

A typical polyaddition is the formation of a polyurethane.

References

^ "addition polymerization | chemical reaction | Britannica". www.britannica.com. Retrieved 2022-05-10.
^ "10.3: Addition Polymerization - One + One + One + ... Gives One!". Chemistry LibreTexts. 2019-05-26. Retrieved 2022-05-10.
^ Jenkins, A. D.; Kratochvíl, P.; Stepto, R. F. T.; Suter, U. W. (1996). "Glossary of basic terms in polymer science (IUPAC Recommendations 1996. See definition 3.6)" (PDF). Pure and Applied Chemistry. 68 (12): 2287–2311. doi:10.1351/pac199668122287. S2CID 98774337.

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[1] "addition polymerization | chemical reaction | Britannica". www.britannica.com. Retrieved 2022-05-10.

[2] "10.3: Addition Polymerization - One + One + One + ... Gives One!". Chemistry LibreTexts. 2019-05-26. Retrieved 2022-05-10.

[3] Jenkins, A. D.; Kratochvíl, P.; Stepto, R. F. T.; Suter, U. W. (1996). "Glossary of basic terms in polymer science (IUPAC Recommendations 1996. See definition 3.6)" (PDF). Pure and Applied Chemistry. 68 (12): 2287–2311. doi:10.1351/pac199668122287. S2CID 98774337.

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