điều chế PVA

S

smileandhappy1995

2) HCOOCH=CH2 + NaOH =(t*)=> HCOONa + CH3-CH=O

CH3-CH=O + 1/2 O2 =(Mn 2+)=> CH3-COOH

CH3-COOH + CH≡CH =(HgSO4, H2SO4, 80 độ)=> CH3-COO-CH=CH2

nCH3-COO-CH=CH2 =(Na, t*)=> -(-CH2-CH-)-n
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___________________________CH3COO
 
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