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  2. Photopolymer - Wikipedia

    en.wikipedia.org/wiki/Photopolymer

    A photopolymer or light-activated resin is a polymer that changes its properties when exposed to light, often in the ultraviolet or visible region of the electromagnetic spectrum. [1] These changes are often manifested structurally, for example hardening of the material occurs as a result of cross-linking when exposed to light.

  3. UV curing - Wikipedia

    en.wikipedia.org/wiki/UV_curing

    Cationic polymerization is used in the curing of epoxy resins in the presence of UV in the industry. [16] Light energy from UV breaks apart photoinitiaters, forming an acidic solution which then donates a proton to the polymer. The monomers then attach themselves to the polymer, forming longer and longer chains leading to a cross-linked network.

  4. The Best Casting Resin Kits for Molded and Sculpted Works

    www.aol.com/news/best-casting-resin-kits-molded...

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  5. Stereolithography - Wikipedia

    en.wikipedia.org/wiki/Stereolithography

    Stereolithography (SLA or SL; also known as vat photopolymerisation, [1] optical fabrication, photo-solidification, or resin printing) is a form of 3D printing technology used for creating models, prototypes, patterns, and production parts in a layer by layer fashion using photochemical processes by which light causes chemical monomers and ...

  6. Photoinitiator - Wikipedia

    en.wikipedia.org/wiki/Photoinitiator

    In chemistry, a photoinitiator is a molecule that creates reactive species (free radicals, cations or anions) when exposed to radiation (UV or visible). Synthetic photoinitiators are key components in photopolymers (for example, photo-curable coatings, adhesives and dental restoratives).

  7. Photoresist - Wikipedia

    en.wikipedia.org/wiki/Photoresist

    One very common positive photoresist used with the I, G and H-lines from a mercury-vapor lamp is based on a mixture of diazonaphthoquinone (DNQ) and novolac resin (a phenol formaldehyde resin). DNQ inhibits the dissolution of the novolac resin, but upon exposure to light, the dissolution rate increases even beyond that of pure novolac.

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