摘要:
A polymer is provided in which a sulfonic group or a derivative thereof is introduced. The polymer includes a unit represented by the following chemical formula (1): wherein R represents -A1-SO2R1; A1 is selected from an alkylene group, a heterocyclic ring, an aromatic ring; and —SO2R1 is a sulfonic group or of a derivative of a sulfonic acid.
摘要翻译:提供其中引入了磺酸基或其衍生物的聚合物。 聚合物包括由以下化学式(1)表示的单元:其中R表示-A 1 -SO 2 R 2 R 1。 A 1选自亚烷基,杂环,芳环; 和-SO 2 R 1是磺酸基或磺酸衍生物。
摘要:
To provide a toner for developing electrostatic images which is not easily cause the phenomenon of toner-spent, constituent materials are so selected that a charge control resin has hardness which is the same as the hardness of a binder resin or the charge control resin is harder than the binder resin, as measured with a scanning probe microscope in a viscoelasticity evaluation mode in respect to the binder resin and the charge control resin which are present in the particle interiors or particle surfaces of the toner.
摘要:
The present invention provides a method of effectively producing polyhydroxyalkanoate having an aromatic substituted residue in its monomer unit. In the method of producing polyhydroxyalkanoate by using microorganisms, microorganisms capable of producing polyhydroxyalkanoate are cultured in a culture medium containing at least one starting compound selected from the group consisting of substituted alkanes represented by formula (1) to produce polyhydroxyalkanoate having, in its molecule, at least one unit selected from the group consisting of 3-hydroxy-substituted alkanoate units represented by formula (2): R—(CH2)n—CH2—CH2—CH3 (1) wherein R represents a residue containing a substituted aromatic ring, and n represents any integer of 1 to 8; wherein R represents a residue containing a substituted aromatic ring, and n represents any integer of 1 to 8. In formulas (1) and (2), a residue R is as described in the specification.
摘要:
A polyhydroxyalkanoate characterized by having in the molecule a unit represented by Chemical Formula (1): wherein n may assume any one integral value within the range of from 1 to 8. Also disclosed are a process for producing the polyhydroxyalkanoate by the use of a microorganism having the ability to produce the polyhydroxyalkanoate and accumulate it in the bacterial body; a charge control agent, a toner binder and a toner which contain this polyhydroxyalkanoate; and an image-forming method and an image-forming apparatus which make use of the toner.
摘要:
A polyhydroxyalkanoate having a monomer unit composition represented by General Formula (1): AmB(1−m) (1) wherein A is represented by General Formula (2), B is at least one selected from the group consisting of monomer units represented by General Formula (3) or (4), and m has a value of 0.01 or larger and smaller than 1: wherein n has a value of 0 to 10, k has a value of 3 or 5, and R is at least one group selected from the group consisting of groups represented by General Formulae (5) to (7): in Formula (5) R1 is a group selected from the group consisting of a hydrogen atom (H), halogen atoms, —CN, —NO2, —CF3, —C2F5 and —C3F7; and q is an integer selected from 1 to 8; in Formula (6) R2 is a group selected from the group consisting of a hydrogen atom (H), halogen atoms, —CN, —NO2, —CF3, —C2F5 and —C3F7; and r is an integer selected from 1 to 8; in Formula (7) R3 is a group selected from the group consisting of a hydrogen atom (H), halogen atoms, —CN, —NO2, —CF3, —C2F5 and —C3F7; and s is an integer selected from 1 to 8. The efficient production methods are also provided.
摘要翻译:具有由通式(1)表示的单体单元组成的聚羟基链烷酸酯:其中A由通式(2)表示,B为选自由通式(3)或(4)表示的单体单元中的至少一种, ,m的值为0.01以上且小于1,其中n为0〜10,k为3或5,R为选自由通式 (5)〜(7)中,式(5)中,R 1为选自氢原子(H),卤素原子,-CN,-NO 2,-CF 3,-C 2 F 5和-C 3 F 7的基团。 q为选自1至8的整数; 在式(6)中,R 2是选自氢原子(H),卤素原子,-CN,-NO 2,-CF 3,-C 2 F 5和-C 3 F 7的基团; 并且r是选自1至8的整数; 在式(7)中,R 3是选自氢原子(H),卤素原子,-CN,-NO 2,-CF 3,-C 2 F 5和-C 3 F 7的基团; s是选自1至8的整数。还提供了有效的制备方法。
摘要:
A polymer is provided in which a sulfonic group or a derivative thereof is introduced. The polymer includes a unit represented by the following chemical formula (1): wherein R represents -A1-SO2R1; A1 is selected from an alkylene group, a heterocyclic ring, an aromatic ring; and —SO2R1 is a sulfonic group or of a derivative of a sulfonic acid.
摘要翻译:提供其中引入了磺酸基或其衍生物的聚合物。 聚合物包括由下列化学式(1)表示的单元:其中R表示-A1-SO2R1; A1选自亚烷基,杂环,芳香环, 和-SO 2 R 1是磺酸基或磺酸衍生物。
摘要:
A developer carrying member is disclosed which can prevent a toner from being excessively charged in a developing assembly while keeping the charge quantity of the toner at a somewhat higher level, and seldomly causes toner melt adhesion to the developer carrying member. The developer carrying member contains a polymer having a unit represented by the chemical formula (1):
摘要:
The invention provides a novel polyester adapted for use in a charge control agent for a toner for an electrophotographic process, having a charge stability, a high charge amount, an improved dispersibility and a biodegradability, and a producing method and an application technology therefor. According to the invention, there is provided polyhydroxyalkanoate comprising at least one unit represented by the following chemical formula in a molecule: —(O—CH(—(CH2)m—CH2-p-C6H4—CONH-A1SO2R1)CH2CO)— (wherein R1 represents OH, a halogen atom, ONa, OK or OR1a; A1 and R1a each represents a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic cyclic structure or a substituted or unsubstituted heterocyclic structure; m represents an integer selected from a range of 0 to 7; and R1, A1, R1a and m have the aforementioned meanings independently for each unit when plural units are present), a charge control agent containing such polyhydroxyalkanoate, a toner utilizing such charge control agent, and an image forming method and an image forming apparatus utilizing such toner.
摘要:
The invention provides a PHA copolymer including at least a 3-hydroxy-ω-carboxyalkanoic acid represented by a formula (19) or (32) and simultaneously at least a unit represented by a formula (2) or a formula (3) in a molecule, a precursor PHA copolymer having a corresponding vinyl group or a corresponding alkoxycarbonyl group, a biosynthesis method thereof by microorganisms, and a method of producing a desired PHA copolymer from the precursor PHA copolymer: (wherein k, m, n are integers; R18 represents H, Na, K, R27? represents (A); R1 represents a substituent on a cyclohexyl group and represents H, CN, NO2, a halogen atom, CH3, C2H5, C3H7, CF3, C2F5, or C3F7; R includes a residue including a phenyl structure or a thienyl structure; these being independent for each unit).
摘要翻译:本发明提供一种PHA共聚物,其包含至少一种由式(19)或(32)表示的3-羟基-ω-羧基烷酸,同时至少由式(2)或式(3)表示的单元在 分子,具有相应的乙烯基或相应的烷氧基羰基的前体PHA共聚物,微生物的生物合成方法以及由前体PHA共聚物制备所需PHA共聚物的方法(其中k,m,n为整数; R 表示H,Na,K,R 27?表示(A); R 1表示环己基上的取代基,代表H,CN ,NO 2 2,卤素原子,CH 3,C 2 H 5,C 3, H 3,CF 3,C 2 H 5,或C 3 H 3, R> R包括残基 e包括苯基结构或噻吩基结构; 这些对于每个单元是独立的)。
摘要:
A method is provided which biosynthesizes a PHA having an epoxy group on a side chain with improved physicochemical properties. Specifically, a method of producing a polyester containing an epoxy group in a side chain thereof using alkene as a raw material is provided which comprises the steps of bringing alkene into contact with a microorganism having an ability to uptake alkene and convert it to a polyester and allowing the microorganism to convert the alkene into a polyester containing an epoxy group in a side chain thereof. Further, a method of producing a crosslinked polymer is provided which comprises reacting the polyester obtained by the above mentioned method with a diamine compound.