近年来,包含聚集诱导发射(AIE)氟的荧光聚合物纳米颗粒(FPN)在其在生物成像和诊断治疗纳米医学中的潜在应用受到了广泛的关注。在这里,我们通过可逆加成-断裂链转移(RAFT)聚合和聚合后修饰策略的组合开发了AIE活性FPN。含有水杨醛(SA)的两性离子共聚物是通过RAFT聚合制备的,并通过二苯甲酮(BPH)通过席夫碱反应进行了进一步修饰。获得的具有AIE活性的两亲共聚物BPH-poly(FHMA- co(-MPC)可以在水溶液中自组装,疏水性氟原子聚集在一起形成核,而亲水链形成保护壳。BPH-poly(FHMA- co - MPC)及其生成的FPN的特征在于1 H核磁共振波谱,傅立叶变换红外光谱,透射电子显微镜和荧光光谱。结果表明,成功地合成了BPH-poly(FHMA- co - MPC),制备的BPH-poly(FHMA- co - MPC)FPNs表现出理想的形态和尺寸,良好的分散
Novel, linear, film-forming polymers and copolymers can be coated on certain metal surfaces, which polymers or copolymers are derived from one or more classes of ethylenically-unsaturated monomers and include at least one novel monomer having a bidentate chelating moiety. The polymers which contain bidentate chelating groups provide significant and varied chemical modification to a metal surface. When coated on a metal surface the polymers are useful as a protective coating or a priming layer.
Chelating polymers for modifying metal surface properties
申请人:Minnesota Mining and Manufacturing Company
公开号:US04500601A1
公开(公告)日:1985-02-19
A composite structure and method therefor comprises a metal surface which is coated with a polymer incorporating a bidentate chelating functionality. The polymer provides significant and varied chemical modification to the metal surface and is useful, for example, as a protective coating or a priming layer. Bidentate chelating monomers useful in preparing homopolymers and copolymers with ethylenically-unsaturated non-chelating monomers have structures described by the formula ##STR1## in which R.sup.1 is hydrogen, lower alkyl, chlorinated lower alkyl, CN, or Cl P is a connecting linkage of chain length up to to about 75 atoms, and Q is a bidentate chelating group having a high affinity for the ions of the metal of the surface involved.