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Synthesis of adjustable poly(vinyl chloride) networks

โœ Scribed by Helmut Reinecke; Manuel Hidalgo; Carmen Mijangos

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
398 KB
Volume
17
Category
Article
ISSN
1022-1336

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โœฆ Synopsis

2-Mercaptobenzyl alcohol and 4-mercaptobenzyl alcohol were synthesized in good yields starting from thiosalicylic acid and p-toluenesulfonic acid, respectively. Poly(viny1 chloride) (PVC) reacts selectively with the thiol group of these bifunctional compounds leading to modified PVC with free hydroxy groups. In a second step the polymer chains can be partially crosslinked by reaction with hexamethylene diisocyanate. According to the degree of PVC modification, the network density of the resulting elastomers is freely adjustable.

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