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정의
Polyurethane-87 is a urethane polymer formed by a multi-step process. First, a polyester is made by condensing Adipic Acid and 3-methyl-1,5-pentanediol, which is subsequently reacted with PEG-45, Glycol and Methylene Diphenyl Diisocyanate. The resulting polymer is capped with n-Butyl Alcohol.
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