Growing Demand for Specialty Polymers Boosts Polymerization Initiator Market

Posted by Jack Martin on June 1st, 2023

The polymerization initiator market size is estimated to be USD 3.4 billion in 2019 and projected to reach USD 4.2 billion by 2024, at a CAGR of 4.3%. The growing polymer production due to increasing demand from various end-use industries such as food processing, automotive, and building & construction is expected to drive the market.

The organic peroxide is used as an initiator for the radical polymerization process of monomers. These compound can be divided further into diacyl peroxides, hydroperoxides, dialkyl peroxides, peroxy ketals, and peroxy (di) carbonates. Organic peroxides are used extensively in the polymer industry. It is used as a polymerization initiator for manufacturing polyester, acrylic resins and low-density polyethylene such as PVC because it has excellent oxidizing properties.

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The demand for organic peroxides is driven mainly by the growing demand from the coating, adhesives, and elastomer manufacturers. The increasing consumption of these compounds in the various end-use sectors such as automotive, electronics & electricals, construction, composites, and chemicals & plastics industry is another important factor for the high demand of organic peroxides

Radical polymerization usually needs an initiator to produce the first radical and start the chain of addition reactions. The most common initiation reaction in free radical polymerization is the thermal decomposition of molecules that contain weak bonds such as peroxides or azo compounds. The radical formed then reacts with the monomers. After the reaction is initiated, the chain will grow by the repeated additions of monomer molecules with the immediate formation of a new radical site. This propagation reaction is swift, so very long polymer chains will be formed in the initial stage of the reaction.