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  2. Dental composite - Wikipedia

    en.wikipedia.org/wiki/Dental_composite

    Chemically cured resin composite is a two-paste system (base and catalyst) which starts to set when the base and the catalyst are mixed together. Light cured resin composites contains a photo-initiator (e.g. camphorquinone) and an accelerator. The activator present in light activated composite is diethyl-amino-ethyl-methacrylate (amine) or ...

  3. Dental curing light - Wikipedia

    en.wikipedia.org/wiki/Dental_curing_light

    The material used prior to this development was a self-curing resin material. These materials, an A material and a B material, were mixed separately before application. The A material was the base and the B material was the catalyst. This resin material was mixed first and then placed in the tooth. It is then hardened fully after 30–60 seconds.

  4. Polyvinyl butyral - Wikipedia

    en.wikipedia.org/wiki/Polyvinyl_butyral

    Polyvinyl butyral (or PVB) is a resin mostly used for applications that require strong binding, optical clarity, adhesion to many surfaces, toughness and flexibility. It is prepared from polyvinyl alcohol by reaction with butyraldehyde. The major application is laminated safety glass for automobile windshields. [1]

  5. Chromate conversion coating - Wikipedia

    en.wikipedia.org/wiki/Chromate_conversion_coating

    The protective effect of chromate coatings on zinc is indicated by color, progressing from clear/blue to yellow, gold, olive drab and black. Darker coatings generally provide more corrosion resistance. [11] The coating color can also be changed with dyes, so color is not a complete indicator of the process used.

  6. Epoxy value - Wikipedia

    en.wikipedia.org/wiki/Epoxy_value

    The epoxy value is defined as the number of moles of epoxy group per 100g resin. So as an example using an epoxy resin with molar mass of 382 and that has 2 moles of epoxy groups per mole of resin, the EEW = 382/2 = 191, and the epoxy value is calculated as follows: 100/191 = 0.53 (i.e. the epoxy value of the resin is 0.53). [6]

  7. 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.

  8. International Klein Blue - Wikipedia

    en.wikipedia.org/wiki/International_Klein_Blue

    International Klein Blue is the color used by Blue Man Group. [14] Roger Eno recorded a composition called Reflections on I.K.B. on his 1985 album Voices (EG Records, Virgin). [15] Welsh rock band Manic Street Preachers released a single on 8 December 2017 called "International Blue", which is written about Yves Klein and IKB. [16]

  9. Liquid-crystal polymer - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_polymer

    Molecular structure of Kevlar Molecular structure of the LCP Vectran [5]. Liquid crystallinity in polymers may occur either by dissolving a polymer in a solvent (lyotropic liquid-crystal polymers) or by heating a polymer above its glass or melting transition point (thermotropic liquid-crystal polymers). [6]

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