DDM_菏泽永辉复合材料有限公司

DDM

DDM为含有65%~75%的4，4’-二氨基二苯基甲烷和部分多氨基多苯基甲烷混合物，分子量为198.26；室温下呈白色或浅黄色固体状态。它是一种重要的化工中间体，主要用于聚氨酯弹性体的扩链剂、环氧树脂固化剂、地坪漆、蓄电池胶、电子灌封胶、重防腐涂料、特别适合大制件的灌封浇注，制品交联密度高、性能优异。DDM 合成的上述各种产品，具有优良的力学性能、耐腐蚀性能、绝缘性能、耐高温性能、耐辐射性能和耐磨耗性能。

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产品特点

DDM为含有65%~75%的4，4’-二氨基二苯基甲烷和部分多氨基多苯基甲烷混合物，其主要成分的结构式为：;分子量为198.26;

室温下呈白色或浅黄色固体状态。它是一种重要的化工中间体，主要用于聚氨酯弹性体的扩链剂、环氧树脂固化剂、地坪漆、蓄电池胶、电子灌封胶、重防腐涂料、特别适合大制件的灌封浇注，制品交联密度高、性能优异。DDM 合成的上述各种产品，具有优良的力学性能、耐腐蚀性能、绝缘性能、耐高温性能、耐辐射性能和耐磨耗性能。

DDM contains a mixture of 4,4 -diaminodiphenylmethane (65% to 75%) and some polyamino-polyphenylmethane, andthe structural formula is as follows:
It is an important chemical intermediate, which is mainly used as chain extender of polyurethane elastomer, curing agentof epoxy resin, floor paint, battery glue, electronic filling and sealing glue, heavy anticorrosion coating, especially suitable forpouring and sealing of large parts with high cross-linking density and excellent performance.

贮存注意事项
DDM储存时库房应干燥、通风、避光，严禁受热，防止氧化。运输时严禁破漏、日晒、雨淋。

保质期
在规定的储存条件下，保质期为1年，超过保质期经检验符合本技术指标仍可使用。

安全注意事项

联合国危规号UN2651，危编号 61809;可燃，但不易燃;着火后喷水或使用干粉、二氧化碳、泡沫灭火剂灭火。DDM可以通过眼睛、皮肤侵入人体，症状表现为严重肝中毒、发烧、上腹痛、黄胆、食欲减退、肾损伤并刺激眼睛。穿戴清洁完好的防护用具(防护服、手套、靴、头盔)，以保护皮肤;戴防护镜、面罩、呼吸器;眼接触:立即用流动清水冲洗至少15分钟;皮肤接触:脱去被污染衣服，用大量水冲洗皮肤。

Warehouse and Storage Storage
When DDM is stored, the warehouse shall be dry, ventilated and protected from light. It is strictly prohibited to be heatedto prevent oxidation. During transportation, leakage, sunlight and rain are strictly prohibited.

Shelf life
Under the specified storage conditions, the shelf life is one year If it exceeds the shelf life, it can stil be used after the test meets the technical index.

Safety precautions

UN hazardous code No. un2651, hazardous code No. 61809; Flammable, but not flammable; Spray water after fire or usedry powder, carbon dioxide and foam extinguishing agent to extinguish fire. DDM can invade the human body through eyes andskin. The symptoms are severe liver poisoning, fever, epigastric pain, yellow bile, anorexia, kidney injury and eye irritation.Wear clean and intact protective equipment (protective clothing, Bloves, boots and helmets) to protect the skin; Wear protec-tive glasses, mask and respirator Eye contact: immediately flush with flowing water for at least 15 minutes; Skin contact: takeoff contaminated clothes and wash skin with plenty of water.

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