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  2. Acrylonitrile butadiene styrene - Wikipedia

    en.wikipedia.org/wiki/Acrylonitrile_butadiene...

    Most ABS is opaque because its components have different refractive indices. Acrylonitrile and styrene make ABS stiff. Butadiene particles are elastic and make ABS impact resistant. Adding methyl methacrylate (MMA) helps to bring the refractive indices closer together, making it transparent, although the product has less impact resistance. [15]

  3. Royalex - Wikipedia

    en.wikipedia.org/wiki/Royalex

    Thus Royalex can be designed to form virtually any finished thickness to suit the end application. One just adds extra sheets. Since ABS has a poor resistance to UV a thin outer layer of UV resistant vinyl is generally included. This can be self-coloured or painted. ABS is a copolymer of rubber and thermoplastic: Acrylonitrile, butadiene ...

  4. Photo-oxidation of polymers - Wikipedia

    en.wikipedia.org/wiki/Photo-oxidation_of_polymers

    Depending upon substitution, the UV absorption spectrum is changed to match the application. Concentrations normally range from 0.05% to 2%, with some applications up to 5%. Frequently, glass can be a better alternative to polymers when it comes to UV degradation. Most of the commonly used glass types are highly resistant to UV radiation ...

  5. Acrylonitrile styrene acrylate - Wikipedia

    en.wikipedia.org/wiki/Acrylonitrile_styrene_acrylate

    The acrylate rubber differs from the butadiene based rubber by absence of double bonds, which gives the material about ten times the weathering resistance and resistance to ultraviolet radiation of ABS, higher long-term heat resistance, and better chemical resistance.

  6. Polymer stabilizer - Wikipedia

    en.wikipedia.org/wiki/Polymer_stabilizer

    This reduces the absorption of UV rays by the polymer matrix and hence reduces the rate of weathering. Phenolic benzotriazoles (e.g. UV-360, UV-328) and hydroxyphenyl-triazines (e.g. Bemotrizinol) are used to stabilise polycarbonates and acrylics, [25] oxanilides are used for polyamides and polyurethanes, while benzophenones are used for PVC.

  7. How to safely freeze milk, according to health experts - AOL

    www.aol.com/lifestyle/safely-freeze-milk...

    Not being able to finish all your groceries before they expire isn't a good feeling. But how do you make sure you're safely freezing milk?

  8. Photopolymer - Wikipedia

    en.wikipedia.org/wiki/Photopolymer

    Acrylated urethane oligomers are typically abrasion resistant, tough, and flexible, making ideal coatings for floors, paper, printing plates, and packaging materials. Acrylated polyethers and polyesters result in very hard solvent resistant films, however, polyethers are prone to UV degradation and therefore are rarely used in UV curable material.

  9. Ozempic Users Are Noticing This Unwanted Side Effect As They ...

    www.aol.com/doctors-explain-lose-weight-ozempic...

    For those actively losing weight on GLP-1s, he recommends they do half resistance training and half aerobic exercise (which might look like two to three days of each, depending on your current ...

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