HG/T 4230-2011
ActivePolyurethane chain extender MCDEA
聚氨酯扩链剂MCDEA
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 要求 → 4 试验方法 → 5 检验规则 → 6 标志、包装、运输和贮存 Foreword → 1 Scope → 2 Normative References → 3 Requirements → 4 Test Methods → 5 Inspection Rules → 6 Marking, Packaging, Transport and Storage
Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transport and storage of 4,4'-methylenebis(3-chloro-2,6-diethylaniline) (abbreviated as polyurethane chain extender MCDEA). This standard applies to polyurethane chain extender MCDEA made from 3-chloro-2,6-diethylaniline and formaldehyde in an acidic medium.
本标准规定了4,4'-亚甲基双(3-氯-2,6-二乙基苯胺)(简称聚氨酯扩链剂MCDEA)的要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于由3-氯-2,6-二乙基苯胺、甲醛在酸性介质中制成的聚氨酯扩链剂MCDEA。
Normative References
Keywords
Application Summary AI generated
Manufacturers of polyurethane chain extender MCDEA use this standard to ensure product quality meets specified requirements. Quality inspection departments rely on this standard for routine and type tests, including purity, initial melting point, and moisture content. This standard is important for regulating the market and ensuring the performance stability of downstream polyurethane products.
聚氨酯扩链剂MCDEA的生产企业使用本标准来确保产品质量符合要求。质检部门依据本标准进行出厂检验和型式检验，包括纯度、初熔点、水分等关键指标。本标准对规范市场、保障下游聚氨酯制品性能稳定性具有重要意义。
AI Summary AI generated
This standard specifies technical requirements, test methods, inspection rules, marking, packaging, transport and storage for polyurethane chain extender MCDEA (4,4'-methylenebis(3-chloro-2,6-diethylaniline)). The product is synthesized from 3-chloro-2,6-diethylaniline and formaldehyde in an acidic medium, appearing as white crystalline powder or granules with an initial melting point not less than 87.0°C, purity not less than 98.0%, and moisture not more than 0.5%. Test methods include HPLC for purity and Karl Fischer titration for moisture. The standard is used for quality control and factory inspection by manufacturers.
本标准规定了聚氨酯扩链剂MCDEA（4,4'-亚甲基双(3-氯-2,6-二乙基苯胺)）的技术要求、试验方法、检验规则及标志包装运输贮存要求。产品由3-氯-2,6-二乙基苯胺和甲醛在酸性介质中合成，外观为白色结晶粉末或颗粒，初熔点不低于87.0℃，纯度不低于98.0%，水分不超过0.5%。试验方法包括高效液相色谱法测纯度、卡尔·费休法测水分等。标准适用于生产企业的质量控制和产品出厂检验。
Key Sentences extracted from text
本标准规定了4,4'-亚甲基双(3-氯-2,6-二乙基苯胺)(简称聚氨酯扩链剂MCDEA)的要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于由3-氯-2,6-二乙基苯胺、甲醛在酸性介质中制成的聚氨酯扩链剂MCDEA。
聚氨酯扩链剂MCDEA的技术要求和相应的试验方法应符合表1的规定。
采用高效液相色谱法分离各组分，以面积归一法计算结果。
本产品应使用复合纸袋或内衬塑料袋的纸板桶包装。
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transport and storage of 4,4'-methylenebis(3-chloro-2,6-diethylaniline) (abbreviated as polyurethane chain extender MCDEA).
This standard applies to polyurethane chain extender MCDEA made from 3-chloro-2,6-diethylaniline and formaldehyde in an acidic medium.
The technical requirements and corresponding test methods for polyurethane chain extender MCDEA shall comply with the provisions of Table 1.
High performance liquid chromatography is used to separate the components, and the area normalization method is used to calculate the results.
This product shall be packaged in composite paper bags or cardboard drums lined with plastic bags.