`A:CaC_2`

`B:C_2H_2`

`C:CH_3COOH`

`CaC_2+2H_2O->Ca(OH)_2+C_2H_2`

`C_2H_2+H_2O` $\xrightarrow{t^o,Hg^{2+}}$ `CH_3CHO`

`CH_3CHO+1/2O_2` $\xrightarrow{t^o,Mn^{2+}}$ `CH_3COOH`

`CH_3COOH+C_2H_2->CH_3COOCH=CH_2`

`nCH_3COOCH=CH_2` $\xrightarrow{t^o,p,xt}$ `(-CH(COOCH_3)-CH_2-)_n`

Điều chế từ đá vôi :⇒ $A:  CaC_2 ,B: C_2H_2 ,C:CH_3COOH hoặc C_2H_5OH $ 

$CaC_2 +2H_2O \xrightarrow{} C_2H_2 +H_2O$

$C_2H_2 +H_2O \xrightarrow{HgSO_4 ,to} CH_3CHO$ 

$CH_3CHO +H_2 \xrightarrow{to}C_2H_5OH $ 

hoặc $2CH_3CHO +O_2 \xrightarrow{Mn^{2+} ,to}2CH_3COOH$ 

$CH_3COOH +CH_2=CH-CH_2CO \buildrel{{H_2SO_4 ,to }}\over\rightleftharpoons CH_3COOCh_2Ch=CH_2 +H_2O$

hoặc $C_2H_3COOH +C_2H_5OH \buildrel{{H_2SO_4 ,to }}\over\rightleftharpoons C_2H_3COOC_2H_5 +H_2O$ 

$nCH_3COOCH_2Ch=CH_2 \xrightarrow{xt,p,to} [-CH_2-CH(CH_2-OOCH_3-]n$

hoặc $nC_2H_3COOC_2H_5 \xrightarrow{xt,p,to}PVA$