Polyhydroxyalkanoate containing amide group, sulfonic group, and sulfonate ester group, method for producing the same, and charge control agent, toner, image forming method, and image forming apparatus
申请人:Mihara Chieko
公开号:US20060014921A1
公开(公告)日:2006-01-19
A polyhydroxyalkanoate containing in a molecule at least one unit represented by the chemical formula (1). The polyhydroxyalkanoate is a biodegradable plastic with enhanced melt-processability and exhibits excellent charging stability, high chargeability, and enhanced dispersibility when used as a charge control agent of a toner in an electrophotographic process.
(R denotes -A
1
(—SO
2
R
1
)
x
. R
1
is selected from OH, a halogen atom, ONa, OK, and OR
1a
. R
1a
and A
1
are selected from a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure, and a substituted or unsubstituted heterocyclic structure. Further, m and x are integers selected from 1 to 8, and when two or more units exist, each of R, R
1
R
1a
, A
1
, m, and x is defined as above independently for each of the units.)
一种聚羟基烷酸酯,其分子中至少含有一个由化学式(1)表示的单元。这种聚羟基烷酸酯是一种生物可降解塑料,具有更强的熔融加工性,在用作电子照相工艺中调色剂的电荷控制剂时,具有优异的电荷稳定性、高电荷性和更强的分散性。
(R 表示-A
1
(-SO
2
R
1
)
x
.R
1
选自 OH、卤素原子、ONa、OK 和 OR
1a
.R
1a
和 A
1
选自取代或未取代的脂族烃结构、取代或未取代的芳环结构和取代或未取代的杂环结构。此外,m 和 x 是选自 1 至 8 的整数,当存在两个或更多单元时,R、R
1
R
1a
, A
1
m 和 x 对每个单元的定义如上)。