An additive for synthetic resins is provided which comprises composite particles obtained by depositing a calcium phosphate compound (R) on support particles (M) of a petaloid porous structure. The additive of the present invention provides synthetic resin compositions having excellent transparency, anti-scratch property, anti-blocking property and less discoloration caused by deterioration of resin.
本发明提供了一种合成
树脂添加剂,它包括通过在花瓣状多孔结构的支撑颗粒(M)上沉积
磷酸钙化合物(R)而获得的复合颗粒。本发明的添加剂可使合成
树脂组合物具有极佳的透明度、抗划伤性、抗阻塞性,并减少因
树脂变质而引起的变色。