REACTIVE ADHESIVES HAVING A LOW MONOMERIC DIISOCYANATE CONTENT
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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The present invention relates to a reactive adhesive comprising the reaction product of a polyester， constructed from the monomers A， B and C， where A=phthalic acid or phthalic anhydride， B=at least one organic acid having at least two acid groups or the corresponding anhydride or the corresponding ester， with the proviso that B is not A， and C=at least one diol， and that the molar ratio of the monomers A to monomers B is from 1:10 to 10:1， as polyol and optionally one or more further polyols， with a diisocyanate， which is characterized in that the average OH number of the polyols used is from 10 to 30 mg KOH/g polyols， the ratio of OH of the polyols used to NCO groups of the diisocyanate used is from 1:1.2 to 1:4.0， and the reaction product has a viscosity of 1 to 200 Pa*s at 130° C. and also a method for production thereof and also use of the reactive adhesive.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
