BS EN 13999-4-2007+A1-2009 粘合剂.使用后低溶剂或无溶剂粘合剂排放特性的快速测量方法.挥发性二异氰酸盐的测定

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标准号:BS EN 13999-4-2007+A1-2009
中文标准名称:粘合剂.使用后低溶剂或无溶剂粘合剂排放特性的快速测量方法.挥发性二异氰酸盐的测定
英文标准名称:Adhesives - Short term method for measuring the emission properties of low-solvent or solvent-free adhesives after application - Part 4:Determination of volatile diisocyanates
标准类型:G38
发布日期:2007/5/31 12:00:00
实施日期:2007/5/31 12:00:00
中国标准分类号:G38
国际标准分类号:83.180
引用标准:EN 1232;EN 123999-1;EN ISO 16000-9;EN ISO 16017-1;EN ISO 16017-2;ISO 16702
适用范围:This European Standard specifies a procedure for the determination of volatile isocyanates in the exhaust air of an emission test chamber after application of a low-solvent or solvent-free adhesive as defined in EN 923.The method is based on chemosorption of volatile isocyanates with 1-(2-methoxyphenyl) piperazine (in the following: 1-2MP) impregnated filters with subsequent desorption and liquid chromatographic analysis. The method permits measurement of a wide range of organic compounds containing isocyanate functional groups (NCO), including isocyanate monomers. For testing of adhesives emissions mainly toluene diisocyanate (TDI) and methylene bis (4-phenyl isocyanate also known as 4,4-diisocyanato-diphenylmethane or MDI), are of concern. The method as described in this European Standard can be used for other isocyanates too, such as isophorone diisocyanate (IPDI) and 1,6-hexamethylene diisocyanate (HDI) - see ISO 16702. Isocyanateoligomers or prepolymers are not volatile enough to be detected in emission test chambers at roomtemperature.

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