What is PU Resin? Is It a Material or Specification?

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PU Resin, or polyurethane resin, is a viscous liquid that hardens through a polymerization reaction, forming a durable material used in various applications. It is not merely a specification but a distinct type of polymer characterized by organic units linked by urethane connections. Common examples include epoxy resins like Araldite, which require a hardener to initiate the curing process. Understanding the chemical properties and applications of PU Resin is essential for effective use in engineering and adhesive formulations.

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This discussion is beneficial for materials scientists, chemical engineers, and professionals involved in adhesive manufacturing or polymer applications.

temujin
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Dear group,

Can anyone tell me what kind of material PU Resin is?

Is resin a material or just a "spacification" of PU?


regards
t.
 
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A resin (in an engineering context) is essentially a viscous liquid which is capable of hardening. Commonly, you'll have heard of epoxy resins, (such as Araldite 2 part adhesive), which is supplied as a resin with a hardener. Upon mixing of the two, a polymerisation (addition or condensation, I can never remember) reaction occurs, the monomers crosslink, and the polymer is formed, for use as either an adhesive, or an engineering material.

Polyurethane itself is any polymer which consists of organic units joined by urethane links.
 

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