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现行 ISO 1628-3:2010
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Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 3: Polyethylenes and polypropylenes 塑料制品;用毛细管粘度计测定稀溶液中聚合物的粘度第3部分:聚乙烯和聚丙烯
发布日期: 2010-04-15
ISO 1628-3:2010定义了在135°C稀释溶液中测定聚乙烯和聚丙烯的降低粘度(也称为粘度值)和特性粘度的特殊条件。 聚合物溶液的粘度可能会受到样品中存在的添加剂的影响。因此,如果样品含有填料或其他添加剂,则通过该方法确定的降低粘度值可能不可靠。
ISO 1628-3:2010 defines particular conditions for determining the reduced viscosity (also known as viscosity number) and intrinsic viscosity of polyethylenes and polypropylenes at 135 °C in dilute solution. The viscosity of polymer solutions may be affected by additives present in the sample. The value of a reduced viscosity determined by this method may therefore be unreliable if the sample contains fillers or other additives.
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归口单位: ISO/TC 61/SC 9
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