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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.
LibreOffice Writer is the free and open-source word processor and desktop publishing component of the LibreOffice software package and is a fork of OpenOffice.org Writer. Writer is a word processor similar to Microsoft Word and Corel's WordPerfect with many similar features, and file format compatibility. [4] [5]
An aliphatic rubbery synthetic polymer with the formula (C 4 H 6 O 2) n, it belongs to the polyvinyl ester family, with the general formula −[RCOOCHCH 2]−. It is a type of thermoplastic . [ 1 ]
Drilling Formula Sheets is a set of Drilling Formulas used commonly by drilling engineers in the onshore and offshore oil drilling industry. They are used as part of a key piece of engineering work called Well Control .
Mathematical formulas are often algebraic, analytical or in closed form. [5] In a general context, formulas often represent mathematical models of real world phenomena, and as such can be used to provide solutions (or approximate solutions) to real world problems, with some being more general than others. For example, the formula
For example, polyester chains grow by reaction of alcohol and carboxylic acid groups to form ester links with loss of water. However, there are exceptions; for example polyurethanes are step-growth polymers formed from isocyanate and alcohol bifunctional monomers) without loss of water or other volatile molecules, and are classified as addition ...
The first certain document in Albanian is the "Formula e pagëzimit" (1462) (baptismal formula), issued by Pal Engjëlli (1417–1470); it was written in Latin characters. [13] It was a simple phrase that was supposed to be used by the relatives of a dying person if they could not make it to churches during the troubled times of the Ottoman ...
Download QR code; Print/export ... In the example given, poloxamer 181 (P181) = Pluronic L61 and Synperonic PE/L 61. ... Polaxamer Formula MW (Da) HLB Source L31: PEO ...