Polymer bases for photopolymers include acrylics, polyinyl alcohol, polyvinyl cinnamate, polyisoprene, polyamides, epoxies, polyimides, styrenic block copolymers, nitrile rubber etc.  They may be used along with oligomers, monomers and additives.  Polymers usually function as binders and determine processing characteristics as well as final physical properties of cured photopolymer compositions.  Liquid compositions such as those used for printing plates, stereolithographic resins, radaition-curable adhesives, coatings and inks usually do not incorporate polymers as a significant component.




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