Blends of Plasticized Polyvinyl Butyral and Polyvinyl Chloride: Morphology Analysis in View of Recycling

被引：7

作者：

Bendaoud, Amine ^{[1
,2
,3
]}

Carrot, Christian ^{[1
,2
,3
]}

Charbonnier, Jordan ^{[1
,2
,3
]}

Pillon, Caroline ^{[1
,2
,3
]}

机构：

[1] Univ Lyon, F-42023 St Etienne, France

[2] CNRS, UMR5223, F-42023 St Etienne, France

[3] Univ St Etienne, F-42023 St Etienne, France

来源：

MACROMOLECULAR MATERIALS AND ENGINEERING | 2013年 / 298卷 / 12期

关键词：

blend; coalescence; dispersion; polyvinyl butyral; polyvinyl chloride; MECHANICAL-PROPERTIES; VISCOSITY; BEHAVIOR; FLUID;

D O I：

10.1002/mame.201200420

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The morphology development of blends of plasticized polyvinyl butyral (PVB) with plasticized polyvinyl chloride (PVC) is studied to obtain a droplet-in-matrix morphology. Such blends can be used for recycling wastes of plasticized PVB in PVC for flooring because migration of the plasticizer of PVB towards the surface is reduced. Model systems of PVC plasticized with diisodecyl phthalate (DIDP) and of PVB plasticized with dibutyl sebecate (DBS) are used as representatives of common compositions. The percolation threshold of the PVB phase occurs at 22vol% of plasticized PVB. The morphology results of an equilibrium between break-up and coalescence. The dependence of the characteristic dimension upon the volume fraction is described by a power-law with exponent 1.5 slightly larger than the theoretical value.

引用

页码：1259 / 1268

页数：10

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