The Properties of Chloroalkylbenzoates as the Plasticizer for PVC

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  • 安息香酸アルキルエステル塩素化物のPVC 可塑化性能
  • アンソクコウサン アルキルエステル エンソカブツ PVC カソカ セイノウ

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Chloroalkyl benzoates (alkyl group : C12, C16 and C18 saturated) obtained by the chlorination with Cl2 gas under the electric light were investigated as plasticizers for PVC. All product showed a good compatibility and gave more elastic seat. Chlorine contents less than 5 atoms in a molecule were suitable as for the plasticizer, and less chlorine content and shorter alkyl chaine length gave better characterization at low temperature. The brittling temperature for the use of dichloro-octadecyl benzoate was -32.5°C (DOP : -25°C).<BR>But for the thermal resistance of the seat, it was necessary to add the suitable stabilizers and when epoxide and alkyl tin compound were used the most desirable result was obtained. When metal stearate was solely used as the stabilizer, effect was contrary.

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