Preparation and Properties of Glycerin  Branched Polyesters as  Plasticizer for PVC

doi:10.19491/j.issn.1001-9278.2014.01.017

Abstract

Abstract: Polyesters with a branched structure were synthesized from adipic acid, a glycol and glycerin, and used in PVC as plasticizers. Using FTIR, TG, and GPC, the tensile properties, thermal stability, and extraction resistance， the PVC/polyester systems were studied. When triethylene glycol was used as the dibasic alcohol，the molecular weight, dispersion coefficient, and viscosity of the products were 4900 g/mol, 2.26, and 11.198 Pa·s, respectively. The plasticized PVC samples showed low water absorbing capacity, high thermal stability, and good extraction resistance.

Key words: preparation preparation preparation, poly(vinyl chloride), plasticizer, branched polyester, glycerin

JIANG Ping-Ping . Preparation and Properties of Glycerin Branched Polyesters as Plasticizer for PVC[J]. China Plastics, 2014, 28(01): 79-83 .

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Preparation and Properties of Glycerin Branched Polyesters as Plasticizer for PVC

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