申请人:Dollase Thilo
公开号:US20060257650A1
公开(公告)日:2006-11-16
The invention relates to a process for preparing a pressure-sensitive adhesive based on at least one polymer, in the course of which said at least one polymer is crosslinked, the polymer having functional groups Y and having been admixed, further, with at least one kind of functionalized particles which have at least one nonpolymeric base unit, wherein the particles having a surface modification of the base unit, the surface modification of the particles having at least one kind of functional groups X, and the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and the functional groups Y of the polymer, and further to pressure-sensitive adhesives based on at least one crosslinked polymer component, the crosslinking of the polymer component being brought about at least in part by incorporation of the functionalized particles, the particles having at least one nonpolymeric base unit and also a surface modification of this base unit, and the surface modification of the particles having at least one kind of functional groups X which are capable of reacting with functional groups Y present in the polymer component, and also to the use of surface-modified functionalized particles having a nonpolymeric base unit as crosslinking reagents for crosslinking polymers for preparing pressure-sensitive adhesives.
本发明涉及一种制备基于至少一种聚合物的压敏胶的工艺,在该工艺中,所述至少一种聚合物被交联,该聚合物具有官能团Y,并与至少一种具有至少一种非聚合物基底单元的官能化颗粒混合、其中,颗粒具有基底单元的表面改性,颗粒的表面改性具有至少一种官能团 X,而聚合物的交联至少部分是通过颗粒的官能团 X 和聚合物的官能团 Y 反应实现的、以及基于至少一种交联聚合物成分的压敏粘合剂,聚合物成分的交联至少部分是通过加入功能化微粒实现的,该微粒具有至少一种非聚合基底单元,以及该基底单元的表面改性、颗粒的表面改性具有至少一种官能团 X,能够与聚合物组分中存在的官能团 Y 反应,还可将具有非聚合物基单元的表面改性官能化颗粒用作交联聚合物的交联试剂,以制备压敏胶。