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PMMA ignites at 460 °C (860 °F) and burns, forming carbon dioxide, water, carbon monoxide, and low-molecular-weight compounds, including formaldehyde. [17] PMMA transmits up to 92% of visible light (3 mm (0.12 in) thickness), [18] and gives a reflection of about 4% from each of its surfaces due to its refractive index (1.4905 at 589.3 nm). [3]
Acrylic resin is a common ingredient in latex paint (UK: "emulsion paint"). Latex paints with a greater proportion of acrylic resin offer better stain protection, greater water resistance, better adhesion, greater resistance to cracking and blistering, and resistance to alkali cleaners compared to those with vinyl. [2]
For example, Paraffin has very large molecules and thus a high heat capacity per mole, but as a substance it does not have remarkable heat capacity in terms of volume, mass, or atom-mol (which is just 1.41 R per mole of atoms, or less than half of most solids, in terms of heat capacity per atom).
[citation needed] For producing carbon fiber higher molecular weight is desired. [ 15 ] In the production of carbon fibers containing 600 tex (6k) PAN tow, the linear density of filaments is 0.12 tex and the filament diameter is 11.6 μm which produces a carbon fiber that has the filament strength of 417 kgf/mm2 and binder content of 38.6%.
In 2002, world production capacity was estimated at 5 million tonnes per year, [5] [8] rising to about 6 million tonnes by 2017. [9] Acetonitrile and hydrogen cyanide are significant byproducts that are recovered for sale. [5] In fact, the 2008–2009 acetonitrile shortage was caused by a decrease in demand for acrylonitrile. [10]
(CH 3) 2 C(OSO 3 H)C(O)NH 2 + CH 3 OH → CH 2 =C(CH 3)C(O)OCH 3 + NH 4 HSO 4. Laboratory scale procedures are available for some of these steps. [9] This technology affords more than 3 billion kilograms per year, and the economics have been optimized. [10] [11] Nevertheless, the ACH route coproduces substantial amounts of ammonium sulfate ...
Clark's rule is a medical term referring to a mathematical formula used to calculate the proper dosage of medicine for children aged 2–17 based on the weight of the patient and the appropriate adult dose. [1] The formula was named after Cecil Belfield Clarke (1894–1970), a Barbadian physician who practiced throughout the UK, the West Indies ...
Corrugated plastic box used as reusable packaging Corrugated plastic dividers used to pack automotive components A Velomobile enclosed in corrugated plastic. Corrugated plastic or corriboard – also known under the trade names of Correx, Biplex, Cartonplast, Polyflute, Coroplast, FlutePlast, IntePro, Proplex, Twinplast, Corriflute and Corflute – refers to a wide range of extruded twin-wall ...
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