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May 31, 2022
Introduction: Polyvinyl Alcohol, a water-soluble polymer, has been widely used in various industries due to its excellent mechanical and chemical properties [1].
Physical and chemical properties of polyvinyl alcohol:
Density: 0.8 ± 0.1 g/cm3
Boiling point: 23.5 ± 13.0 ° C at 760 mmHg
Melting point: 230-240 º C
Molecular formula: C2H4O
Molecular weight: 44.053
Flash point: -28.3 ± 12.8 ° C
Accurate mass: 44.026215
Psa:20.23
Logp:0.26
Appearance: white or cream solid
Steam pressure: 811.9 ± 0.0 mmHg at 25 ° C
Refractive index: 1.381
Storage conditions: sealed at normal temperature, away from light, ventilated and dry place 2 Store in a cool and ventilated warehouse. Keep away from fire and heat source. It shall be stored separately from oxidant and shall not be mixed. 3. equip with corresponding types and quantities of fire-fighting equipment. The storage area shall be equipped with appropriate materials to contain the leakage.
Stability:
1. stable under normal temperature and pressure
Avoid heat, open fire, high temperature and moisture absorption. It will not melt when heated. It will decompose at about 150 ℃ and turn yellow.
2. it can resist the corrosion of ACID, alkali, grease and lubricant.
Solubility in hot water
Polyvinyl alcohol details:
name:Polyvinyl alcohol
Other name:Poly(vinyl alcohol);PVA;polyvinyl alcohol 28-99;polyvinyl alcohol 3-98;polyvinyl alcohol 18-88;polyvinyl alcohol standard 200000;polyvinyl alcohol 15000;polyvinyl alcohol 22000;polyvinyl alcohol 49000;polyvinyl alcohol 72000;polyvinyl alcohol 100000;MOWIOL 4-88;Poly(vinyl alcohol) (Enzyme Grade)(Fully hydrolyzed);poly(1-hydroxyethylene);Poly(vinyl alcohol) (Fully hydrolyzed-very;POLYVINYL ALCOHOL (PVA);Polyvinyl alcohol (Release agent);POLYVINYLIC ALCOHOL;Mowio 28-99;Mowiol 4-98;Mowiol 3-96;Mowiol 40-88;Vinyl alcohol - polymerised;Polyvinyl alcohol;Poly(vinyl alcohol)224;Poly(vinyl alcohol) 105;Poly(vinyl alcohol) 1799;Poly(vinyl alcohol) 1788 low-viscosity;Poly(vinyl alcohol) 1788;Poly(vinyl alcohol) 1797;Poly(vinyl alcohol) 205;EG-30;ETHENOL;POLYVINYL ALCOHOL 1799 TYPE;polyvinyl alcohol,vinylalcohol polymer;-50;BR,1750±50;GR,124;GR,AH-26;Mowiol®Polyvinyl alcohol 17-99;PVA 17-99;PVA-103;vinyl alcohol;AtlasSupport™;PVA blend filament;AquaSolve™;PVA filament;PVA (n=approx. 2000) (degree of saponification ca. 80mol%);Hydroxyethylene;Hydroxyethene;Ethenol, homopolymer;Polyviol;Gohsenol;Mowiol;Elvanol;Poval;vinylalcohol;Rhodoviol;Alcotex 17F-H;Gelvatol;Alkotex;Vinarole;Vinarol;Vinalak;Polydesis;Polyvinol;Alvyl;Lemol;Covol;Sloviol R;Lamephil OJ;Gohsenol GH;Vinarol DT;Vinacol MH;Vinarol ST;Kuralon VP;Aracet APV;Enbra OV;Polysizer 173;Gtohsenol GL 05;Gohsenol NH 26;Gohsenol KH 17;Gohsenol GM 14;Gohsenol GL 08
CAS No.: 9002-89-5
Molecular formula: C2H4O
Molecular weight: 44.05
Properties:
Quality level: 200
Form:
Crystal powder
Crystals or granules
Powder
Molecular weight: average MW 31000-50000
Falling ball: 5.2-6.2 CP, 4% in H2O (20 ° C) (lit.)
Inchi:1s/c2h4o/c1-2-3/h2-3h, 1h2
Inchi key:imromdmjawuwlk-uhffaoysa-n
General description:
Polyvinyl alcohol (PVA) is a vinyl water-soluble polymer, which can be used as non-ionic surfactant. It can also be used as a biodegradable polymer in adhesives, coatings, textiles, ceramics and cosmetics. It has good transparency, chemical resistance, toughness and antistatic properties.
Application:
PVA can be used to prepare microspheres and further used as biodegradable microcarriers.
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