Biodegradability of Polyvinyl Alcohol Based Film Used for Liquid Detergent Capsules

被引：37

作者：

Byrne, Dominic ^{[1
]}

Boeije, Geert ^{[2
]}

Croft, Ian ^{[3
]}

Huttmann, Gerd ^{[4
]}

Luijkx, Gerard ^{[5
]}

Meier, Frank ^{[6
]}

Parulekar, Yash ^{[7
]}

Stijntjes, Gerard ^{[8
]}

机构：

[1] AISE, Brussels, Belgium

[2] Boeije Consulting, Sint Martens Latem, Belgium

[3] McBride, Manchester, Lancs, England

[4] Reckitt Benckiser, Heidelberg, Germany

[5] Unilever, Rotterdam, Netherlands

[6] Henkel, Dusseldorf, Germany

[7] Kuraray, Merrillville, IN USA

[8] Procter & Gamble, Strombeek Bever, Belgium

来源：

TENSIDE SURFACTANTS DETERGENTS | 2021年 / 58卷 / 02期

关键词：

Polyvinyl alcohol; Soluble film; Liquid detergent capsules; Biodegradation; OECD biodegradability screening test; POLY(VINYL ALCOHOL); MICROPLASTICS; SEDIMENTS;

D O I：

10.1515/tsd-2020-2326

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Questions and potential misperceptions have arisen about the potential contribution of liquid detergent capsules to the environmental microplastics issue. The film of these detergents is highly water soluble, also in cold water, as it must fully dissolve during every type of washing process. Water-soluble grades of polyvinyl alcohol, the most commonly used detergent capsule film material, are recognised to be biodegradable. In the current paper, adequate biodegradability is confirmed by means of ready biodegradation screening tests, across a range of polyvinyl alcohol detergent grade films. The high water solubility in itself implies that detergent capsule films are not within the microplastic scope. Furthermore, their biodegradability ensures there is no concern for persistence or accumulation in the environment.

引用

页码：88 / 96

页数：9

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