申请人:Canon Kabushiki Kaisha
公开号:EP2184645A2
公开(公告)日:2010-05-12
A charge control agent for controlling a charged state of powder contains a polymer having a unit having a structure represented by the chemical formula (19):
wherein R represents -A25-SO2R25. R25w, R25x, and R25y are selected from combinations described in the following items (i) and (ii).
For the item (i), A25 and R25 are selected from combinations described in the following items (i-A) and (i-B); for the item (ii), A25 and R25 are selected from combinations described in the following item (ii-A):
(i) R25w and R25x each represent a hydrogen atom, and R25y represents a CH3 group or a hydrogen atom;
(i-A) A25 represents a substituted or unsubstituted aliphatic hydrocarbon structure; R25 represents a halogen atom or OR25a where R25a represents a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure;
(i-B) A25 represents a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure; R25 represents OH, a halogen atom, ONa, OK, or OR25a where R25a represents a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure;
(ii) R25w and R25X each independently represent a halogen atom or a hydrogen atom; R25y represents a CH3 group, a halogen atom, or a hydrogen atom; at least one of R25w, R25X, and R25y represents a halogen atom;
(ii-A) A25 represents a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure; R25 represents OH, a halogen atom, ONa, OK, or OR25a where R25a represents a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure.
一种用于控制粉末带电状态的电荷控制剂含有一种聚合物,该聚合物具有化学式(19)表示的结构单元:
其中 R 代表-A25-SO2R25。R25w、R25x和R25y选自以下第(i)和(ii)项所述的组合。
对于第(i)项,A25 和 R25 选自以下第(i-A)和(i-B)项所述的组合;对于第(ii)项,A25 和 R25 选自以下第(ii-A)项所述的组合:
(i) R25w 和 R25x 各代表一个氢原子,R25y 代表一个 CH3 基团或一个氢原子;
(i-A) A25 代表取代或未取代的脂族烃结构;R25 代表卤素原子或 OR25a,其中 R25a 代表取代或未取代的脂族烃结构、取代或未取代的芳环结构或取代或未取代的杂环结构;
(i-B) A25 代表取代或未取代的芳环结构,或取代或未取代的杂环结构; R25 代表 OH、卤素原子、ONa、OK 或 OR25a,其中 R25a 代表取代或未取代的脂族 烃结构、取代或未取代的芳环结构,或取代或未取代的杂环结构;
(ii) R25w 和 R25X 各自独立地代表卤素原子或氢原子;R25y 代表 CH3 基团、卤素原子或氢原子;R25w、R25X 和 R25y 中至少有一个代表卤素原子;
(iii-A) A25 代表取代或未取代的脂族烃结构、取代或未取代的芳环结构或取代或未取代的杂环结构; R25 代表 OH、卤素原子、ONa、OK 或 OR25a,其中 R25a 代表取代或未取代的脂族烃结构、取代或未取代的芳环结构或取代或未取代的杂环结构。