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2. Polystyrene sulfonate - Wikipedia

   en.wikipedia.org/wiki/Polystyrene_sulfonate

   Usually the polystyrene is crosslinked, which keeps the polymer from dissolving. Since the sulfonic acid group (SO 3 H) is strongly acidic, this polymer neutralizes bases. In this way, various salts of the polymer can be prepared, leading to sodium, calcium, and other salts: (CH 2 CHC 6 H 4 SO 3 H) n + n NaOH → (CH 2 CHC 6 H 4 SO 3 Na) n + n ...

3. Paper composite panels - Wikipedia

   en.wikipedia.org/wiki/Paper_composite_panels

   Paper composite panels are a phenolic resin/cellulose composite material made from partially recycled paper and phenolic resin.Multiple layers of paper are soaked in phenolic resin, then molded and baked into net shape in a heated form or press.

4. Engineered stone - Wikipedia

   en.wikipedia.org/wiki/Engineered_stone

   This category includes engineered quartz (SiO 2), polymer concrete and engineered marble stone. [1] The application of these products depends on the original stone used. For engineered marbles the most common application is indoor flooring and walls, while the quartz based product is used primarily for kitchen countertops [ 2 ] as an ...

5. Wood–plastic composite - Wikipedia

   en.wikipedia.org/wiki/Wood–plastic_composite

   WPC sandwich boards consist of wood polymer composite skins and usually low-density polymer core which leads to a very effective increase of panel's rigidity. WPC sandwich boards are used mainly in automotive, transportation and building applications, but furniture applications are also being developed. [ 22 ]

6. Polystyrene - Wikipedia

   en.wikipedia.org/wiki/Polystyrene

   [43] [44] Polystyrene foams are good thermal insulators and are therefore often used as building insulation materials, such as in insulating concrete forms and structural insulated panel building systems. Grey polystyrene foam, incorporating graphite, has superior insulation properties. [45]

7. Resin casting - Wikipedia

   en.wikipedia.org/wiki/Resin_casting

   A Baldwin 6-axle locomotive kit cast in resin in HO Scale. Due to aggressive nature of most compounds used for casting and the high temperature of the reaction the mold gradually degrades and loses small details. Typically, a flexible mold will yield between 25 and 100 castings depending upon the size of the part, the intensity of the heat ...

8. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   Such panels have been commercialized for purposes of daylighting, to be used as a window or a canopy such that sunlight descending from the sky is directed to the ceiling or into the room rather than to the floor. This can lead to a higher illumination of the back part of a room, in particular when combined with a white ceiling, while having a ...

9. Sandwich-structured composite - Wikipedia

   en.wikipedia.org/wiki/Sandwich-structured_composite

   Composite sandwich structure panel used for testing at NASA. 1) In materials science, a sandwich-structured composite is a special class of composite materials that is fabricated by attaching two thin-but-stiff skins to a lightweight-but-thick core.