[EN] TRICYCLIC DERIVATIVE INHIBITOR, PREPARATION METHOD THEREFOR, AND APPLICATION<br/>[FR] INHIBITEUR DE DÉRIVÉ TRICYCLIQUE, SON PROCÉDÉ DE PRÉPARATION ET APPLICATION<br/>[ZH] 含三并环类衍生物抑制剂、其制备方法和应用
OFFENZELLIGER POLYURETHANHARTSCHAUM UND DESSEN VERWENDUNG
申请人:Covestro Intellectual Property GmbH & Co. KG
公开号:EP3784708A1
公开(公告)日:2021-03-03
POLYURETHAN-BASIERTER ISOLATIONSKÖRPER UND VERFAHREN ZU SEINER HERSTELLUNG
申请人:Covestro Intellectual Property GmbH & Co. KG
公开号:EP4025621A1
公开(公告)日:2022-07-13
CURABLE COMPOSITIONS HAVING LESS VOLATILIZATION
申请人:Burckhardt Urs
公开号:US20100273924A1
公开(公告)日:2010-10-28
The invention particularly relates to curable compositions comprising at least one polyisocyanate, at least one amine that is blocked by means of aldehyde or ketone, and at least one carboxylic acid hydrazide or sulfonic acid hydrazide which has a minimum melting point of 100° C., especially at least 150° C. Surprisingly, after being cured using moisture at room temperature and when being heated to increased temperatures, significantly fewer volatile components of such compositions volatilize than in the corresponding compositions that do not contain said hydrazide.
A composition that includes aldimines of Formula (I). The composition can be a two-component polyurethane composition. The composition can have a long open time, but build up an early strength quickly, and in the cured state can have high tensile strength and a high modulus of elasticity. The composition can be odorless or at least low-odor before, during and after curing.