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  2. Polyvinyl alcohol - Wikipedia

    en.wikipedia.org/wiki/Polyvinyl_alcohol

    Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. It has the idealized formula [CH 2 CH(OH)] n . It is used in papermaking , textile warp sizing , as a thickener and emulsion stabilizer in polyvinyl acetate (PVAc) adhesive formulations, in a variety of coatings, and 3D printing .

  3. Plaster veneer - Wikipedia

    en.wikipedia.org/wiki/Plaster_veneer

    Plaster veneer (American English) or plaster skim (British English) is a construction methodology for surfacing interior walls, by applying a thin layer of plaster over a substrate—typically over specially formulated gypsum board base, similar in nature to drywall.

  4. Drywall - Wikipedia

    en.wikipedia.org/wiki/Drywall

    Various sized cuts of 1 ⁄ 2 in (13 mm) drywall with tools for maintenance and installation . Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of ...

  5. Polyvinyl acetate - Wikipedia

    en.wikipedia.org/wiki/Polyvinyl_acetate

    Polyvinyl alcohol −[HOCHCH 2]−: Polyvinyl acetate is partially or completely hydrolysed to give polyvinyl alcohol. This reversible saponification and esterification reaction was a strong hint for Hermann Staudinger in the formulation of his theory of macromolecules. [12]

  6. Marketing research - Wikipedia

    en.wikipedia.org/wiki/Marketing_research

    Marketing research uses the scientific method in that data are collected and analyzed to test prior notions or hypotheses. Experts in marketing research have shown that studies featuring multiple and often competing hypotheses yield more meaningful results than those featuring only one dominant hypothesis. [39] Marketing research is objective ...

  7. PEG-PVA - Wikipedia

    en.wikipedia.org/wiki/PEG-PVA

    Polyethylene glycol–polyvinyl alcohol (PEG-PVA) brand name Kollicoat IR is a multifunctional excipient [1] used as a pill binder as well as a wet binder. A typical formulation is composed of 25% polyethylene glycol (PEG) and 75% polyvinyl alcohol (PVA); where the vinyl alcohol moieties are grafted on a polyethylene glycol backbone .

  8. Wood glue - Wikipedia

    en.wikipedia.org/wiki/Wood_glue

    Household PVA glue. Polyvinyl acetate (PVA), also known as "white glue", "hobby and craft" or “school glue” is non toxic, PH neutral, inexpensive, and easy to use, and is therefore the most commonly used type of wood glue. Joints should be tight fitting and clamped during curing for maximum strength.

  9. Pricing strategies - Wikipedia

    en.wikipedia.org/wiki/Pricing_strategies

    Selling a product at a high price, and sacrificing high sales to gain a high profit is therefore "skimming" the market. Skimming is usually employed to reimburse the cost of investment of the original research into the product: commonly used in electronic markets when a new range, such as DVD players, are first sold at a high price. This ...