WANALINK® 6200 is the brand name of 4,4’-bis(sec-butylamino) Diphenylmethane. It is a liquid secondary diamine. One of the atoms of hydrogen on each of the amine group is substituted by a secondary butyl group, so that the combination of an active hydrogen atom and a secondary butyl group in a confined space creates many unusual properties. The amine portion forms area linkages which affect the hard segment domains, while the butyl groups functions as inner plasticizer. Bonded to the polymer matrix, it neither leaches, nor bloom. The alkyl groups also improve the solubility of the diamine, allowing it to blend readily with almost any polyol or polyamine.
Wanhua Chemical Group Co., Ltd. supplies a wide range of product types for numerous applications in the Paint and Coating industry. Some of their most popular product types include petrochemicals, thermoplastic elastomers (TPU), polyols, and isocyanates. While committed to providing a high quality product to their customers, Wanhua also focuses on maintaining an eco-friendly chemical enterprise.
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