The invention relates to a radiation curable composition comprising radiation curable components wherein the composition comprises at least two flame retardants and wherein the flame retardants belong to different classes of compounds, to a process for making three dimensional flame retardant articles and to a three dimensional article, made by rapid prototyping means, that passes the flame retardancy UL-94-V0 test.
Radially multi-branched polymer and porous film using the same
申请人:Cheong Ho Jae
公开号:US20050182202A1
公开(公告)日:2005-08-18
Described is a radially multi-branched polymer represented by the following formula (I): ABi (I), which includes a central molecule (A) to which side-branches (B) are bonded in at least three positions (i≧3). Also described are methods for preparing a multi-branched polymer as well as a porous insulating film including a multi-branched polymer.