发明名称 PROTECTIVE COATING OF MAGNETIC NANOPARTICLES
摘要 Encapsulated particles and methods for manufacturing encapsulated particles and structures are described. Such particles may have a length no greater than 40 nm, and include at least one material selected from the group consisting of ferromagnetic materials and ferrimagnetic materials. A polymeric encapsulant surrounds the particle, the polymeric encapsulant including a phase-separated block copolymer including a glassy first phase and a rubbery second phase, the glassy first phase positioned between the particle and the second rubbery phase. The glassy first phase includes a hydrophobic copolymer having a glass transition temperature of at least 50° C. The rubbery second phase includes a polymer having at least one of (i) a glass transition temperature of no greater than 30° C., and (ii) a tan delta peak maximum of no greater than 30° C. Other embodiments are described and claimed.
申请公布号 US2013277600(A1) 申请公布日期 2013.10.24
申请号 US201313919961 申请日期 2013.06.17
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 BRADSHAW RICHARD L.;PYUN DONG-CHUL
分类号 H01F1/00 主分类号 H01F1/00
代理机构 代理人
主权项
地址