Phthalate plasticizers covalently linked to PVC via copper-free or copper catalyzed azide-alkyne cycloadditions

被引：42
作者：
Earla, Aruna [1 ]
Li, Longbo [1 ]
Costanzo, Philip [2 ]
Braslau, Rebecca [1 ]
机构：
[1] Univ Calif Santa Cruz, Dept Chem & Biochem, Santa Cruz, CA 95064 USA
[2] Calif Polytech State Univ San Luis Obispo, Dept Chem & Biochem, San Luis Obispo, CA 93407 USA
来源：
POLYMER | 2017年 / 109卷
关键词：
Internal plasticizer; Phthalate diester; Huisgen azide-alkyne cycloaddition; ENDOCRINE-DISRUPTING CHEMICALS; MOLECULAR MICROSTRUCTURE; MIGRATION; MILK; METABOLITES; PITUITARY; POLYMERS; EXPOSURE; ESTERS; CHAIN;
D O I：
10.1016/j.polymer.2016.12.014
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Plasticization of PVC was carried out by covalently linking phthalate derivatives via copper-free (thermal) or copper catalyzed azide-alkyne cycloadditions. Di(2-ethylhexyl) phthalate derivatives (DEHP-ether and DEHP-ester) were synthesized and appended to PVC at two different densities. The glass transition temperatures of the modified PVC decreased with increasing content of plasticizer. PVC-DEHP-ether gave lower glass transition temperatures than PVC-DEHP-ester, reflecting the enhanced flexibility of the ether versus ester linker. (C) 2017 Elsevier Ltd. All rights reserved.
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页码：1 / 12
页数：12
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