Adhesive bonding with pre-applied adhesives
Автор: Fraunhofer
Загружено: 2015-01-13
Просмотров: 1385
Описание:
Fraunhofer IFAM researchers have successfully developed the technique to allow for a high-strength adhesive bond suitable for industrial use – no easy task, since the adhesives must fulfill different and sometimes contradictory requirements. “Once the adhesive is applied, it can’t be tacky and it has to withstand long storage times,” explains chemical engineer Andreas Lühring from Fraunhofer IFAM. But the adhesive has to do more than that. “The adhesive also has to be very reactive and harden quickly during joining.” The researchers’ concept combines resins and hardening agents that melt at different temperatures. “We use micro-dispersion to finely distribute hardening agents with considerably higher melting points throughout the resin base,” adds Professor Andreas Hartwig.
#adhesive #adhesives #preapplication #fraunhofer
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