Poly (vinyl acetate) or PVA or PVAc.
- Poly(vinyl acetate) is a synthetic polymer.
- It is also known as poly(ethenyl ethanoate), wood glue, white glue, carpenter's glue, school glue, PVA glue, Elmer's glue.
- It is prepared by the free radical polymerisation of vinyl acetate in the presence of free radical initiator like benzoyl peroxide.
Poly(vinyl acetate). - Poly(vinyl acetate) is an amorphous polymer.
- It is a colourless, transparent, soft and sticky material.
- It is soluble in organic solvents.
- It is resistant to heat but turns slightly yellow on prolonged storage above 120°C.
- It is used in adhesives, lacquers.
- It is used for making chewing gums, surgical dressings etc.
- It is used for the manufacture of poly(vinyl alcohol) etc.
- It is used in water based emulsion paints.
Uses of poly(vinyl acetate).
Questions on Poly(vinyl acetate);
Q1) What is Poly(vinyl acetate)?
Ans) Poly(vinyl acetate) is a synthetic polymer.
Q2) What is the monomer of Poly(vinyl acetate)?
Ans) Vinyl acetate is the monomer of Poly(vinyl acetate).
Q3) How is Poly(vinyl acetate) prepared?
Ans) Poly(vinyl acetate) is prepared by the free radical polymerisation of vinyl acetate in the presence of free radical initiator like benzoyl peroxide.
Q4) Write some properties of Poly(vinyl acetate)?
Ans) Some properties of Poly(vinyl acetate) are given below;
1) It is a colourless, transparent, soft and sticky material.
2) It is soluble in organic solvents.
3) It is resistant to heat but turns slightly yellow on prolonged storage above 120°C.
4) Poly(vinyl acetate) is an amorphous polymer.
Q5) Write some uses of Poly(vinyl acetate)?
Ans) Some uses of Poly(vinyl acetate) are given below;
1) Poly(vinyl acetate) is used in adhesives, lacquers.
2) Poly(vinyl acetate) is used for making chewing gums, surgical dressings etc.
3) It is used for the manufacture of poly(vinyl alcohol) etc.
4) Poly(vinyl acetate) is used in water based emulsion paints. Next
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