ORGANIC SILICONE FINE PARTICLE, METHOD FOR PRODUCING THE ORGANIC SILICONE FINE PARTICLE, COSMETIC MATERIAL, RESIN COMPOSITION AND IMAGE DEVELOPING TONER COMPRISING THE ORGANIC SILICONE FINE PARTICLE
For a high demand of practical usage in recent years, the present invention provides organic silicone fine particles, method for producing the organic silicone fine particles, cosmetic material, resin composition and image developing toner comprising the organic silicone fine particles, which having, for example, further improved optical characteristics, such as total luminous transmittance and haze, and further improved heat-resistant coloring property of a resin composition further improved usability (for extension and expansion), and further improved sensation (viscosity, unevenness, and sustainability) of a cosmetic material and further improved flowability and stability of an image developing toner.The organic silicone fine particle of the invention, which comprises a plurality of irregular-shaped surfaces (21), and reticular convex portions (31) surrounding the irregular-shaped surface (21), has a shape of a sphere as a whole, satisfying the following conditions a) and b):a) an average of the diameters of the particles (L1) is in a range of 0.1-20 μm andb) an amount of the irregular-shaped surfaces (21) of each organic silicone fine particle is 20 and above.本發明係提供能因應近年來實際使用場合的高度要求,例如樹脂組成物的總光線穿透率與霧值等光學特性的更加改善、耐熱著色性之更加改善、化妝料的使用性(使用時的延伸與擴展)的更加改善、使用感(黏瘩、凹凸感、持續性)的更加改善、以及顯影用碳粉的流動性保持性之更加改善的有機聚矽氧微粒子、該有機聚矽氧微粒子之製造方法、含有該有機聚矽氧微粒子之化妝料、樹脂組成物及顯影用碳粉。本發明的有機聚矽氧微粒子,係表面具有複數不定形面(21)、與包圍不定形面(21)的網狀凸部(31),且整體呈球狀的有機聚矽氧微粒子,其滿足下述a)與b)的條件:a)粒徑(L1)的平均值在0.1~20μm範圍。b)有機聚矽氧微粒子每1個的不定形面(21)數量為20以上。21...不定形面31...網狀凸部L1...粒徑m1...不定形面最大徑n1...網狀凸部的寬度最小值
