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  2. Polytrimethylene terephthalate - Wikipedia

    en.wikipedia.org/wiki/Polytrimethylene_terephthalate

    Triexta has been reported to have several advantages over polyethylene terephthalate, including better stain resistance and softness. [5] The FTC had last approved an extension for residential carpet in 1959. Mohawk Industries and DuPont applied jointly for FTC approval of the triexta polyester subclass in 2006; it was approved three years later.

  3. Sorona - Wikipedia

    en.wikipedia.org/wiki/Sorona

    Sorona is DuPont de Nemours, Inc.'s brand of Triexta, a subclass of polytrimethylene terephthalate (PTT) [1] named and commercialized in 2000. [2] The fibers are soft and stain-resistant while exhibiting high strength and stiffness.

  4. Vinyl ester resin - Wikipedia

    en.wikipedia.org/wiki/Vinyl_ester_resin

    Vinyl ester resin is extensively used to manufacture FRP tanks and vessels as per BS4994. For laminating process, vinyl ester is usually initiated with methyl ethyl ketone peroxide. It has greater strength and mechanical properties than polyester and less than epoxy resin. Renewable precursors to vinyl ester resins have been developed. [2]

  5. Acrylic fiber - Wikipedia

    en.wikipedia.org/wiki/Acrylic_fiber

    The polymer is formed by free-radical polymerization in aqueous suspension. The fiber is produced by dissolving the polymer in a solvent such as N,N-dimethylformamide (DMF) or aqueous sodium thiocyanate, metering it through a multi-hole spinneret and coagulating the resultant filaments in an aqueous solution of the same solvent (wet spinning) or evaporating the solvent in a stream of heated ...

  6. Vinyl polymer - Wikipedia

    en.wikipedia.org/wiki/Vinyl_polymer

    Vinyl polymers are subject of several structural variations, which greatly expands the range of polymers and their applications. With the exception of polyethylene, vinyl polymers can arise from head-to-tail linking of monomers, head-to-head combined with tail-to-tail, or a mixture of those two patterns. Additionally the substituted carbon center in such polymers is stereogenic (a "chiral center")

  7. Vinyl coated polyester - Wikipedia

    en.wikipedia.org/wiki/Vinyl_coated_polyester

    Vinyl coated polyester is a material frequently used for flexible fabric structures. It is made up of a polyester scrim , a bonding or adhesive agent, and an exterior PVC coating. The scrim supports the coating (which is initially applied in liquid form) and provides the tensile strength, elongation, tear strength, and dimensional stability of ...

  8. Conservation and restoration of film - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    It is inherently more stable than both cellulose nitrate and cellulose acetate, because it is a synthetic polymer that is inert (chemically inactive). It shows exceptional chemical stability and physical performance. [1] A polarization test can be used to identify polyester from cellulose acetate or nitrate. When viewed between cross-polarized ...

  9. Acrylate polymer - Wikipedia

    en.wikipedia.org/wiki/Acrylate_polymer

    "New" types do not contain chlorine and are less prone to mold-related staining. Other than the slightly better water resistance of ANM there are no physical differences between the two types. The material is less resistant in terms of cold weather with a saturation point of −15 °C for old types and −28 °C to −30 °C for new types.

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