Phenoxy resins are amorphous thermoplastic polymers and thermosetting resins. These polymers have terminal hydroxyl groups as well as hydroxyl groups in every repeat unit and thus can be classified as polyhydroxyethers. They are derived from Bisphenol A and Epichlorohydrin. Phenoxy resins offer excellent mechanical properties such as hardness, tough flexibility, abrasion resistance, impact resistance, chemical resistance, heat resistance, vapor barrier and compatibility. They are soluble in a variety of materials including ketones, glycol ethers, and esters. They have excellent vapor barrier properties and are safe to use for direct and indirect food and beverage container coatings. They are cured by reactions with polyisocyanates, anhydrides or other crosslinking agents. In general phenoxy resins are transparent with good dimensional stability.
Structurally, phenoxy resin is a polyhydroxyether with terminal alpha-glycol groups. Their weight-average molecular weight ranges from approximately 25,000 to above 60,000 and the highest polymeric species exceed 250,000 daltons in molecular weight.
Waterborne phenoxy resins are colloidal dispersions. Phenoxy resins favor polar, aprotic-type solvents in solvent-borne applications, although incorporation into formulations having hydrocarbon or aromatic solvents is quite possible when sufficient polar solvents are used. They are availabe in solid and liquid forms in combinations with other polymers. For instance, Inchem Corporation’s product range includes over two dozen forms of phenoxy resins and related compounds including, standard solid grades in pellet and powder form, solvent solution grades and waterborne colloidal dispersions, Phenoxy-polyester hybrids epoxy-phenoxy hybrids, caprolactone-modified phenoxy, epoxy resin solutions, and crosslinkers. Phenoxy resins are often combined with epoxies, polyethers, and polyesters and provide user-friendly hybrids for formulation latitude and novel properties.
Standard solid grade phenoxy resins are used for wire coatings, PCB coatings, can and coil coating, metal primers, wood coating, glass coating. Compatibilizers, structural adhesives, kitchen cabinets, cast elastomers also uses phenoxy resins. Phenoxy resins are used or protective coatings in flexible and rigid food packaging.
Key players in Global Phenoxy Resins Market
On the basis of product type, global phenoxy resins market is segmented into:
On the basis of application, global phenoxy resins market is segmented into:
On the basis of region global phenoxy resins market is segmented into:
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