摘要:
An electrophotographic photoreceptor characterized in comprising a resin layer containing a hardenable siloxane-based resin having a partial structure described below: ##STR1## wherein X represents a charge transportability providing group, which is a group bonding to Y in the formula via a carbon atom constituting said providing group, and Y represents at least a bivalent atom or group, excluding adjacent bonding atoms.
摘要:
An electrophotographic photoreceptor and a method for producing the same are disclosed, in which stability of coating solution of a photoreceptive layer is improved. The photoreceptor comprises a conductive support having thereon a photoreceptive layer containing a binder, a titanylphthalocyanine which has a peak in X-ray diffraction spectrum thereof by Cu-K.alpha. ray at a Bragg angle 2.theta. of 27.2.degree..+-.0.2.degree., and an organic solvent soluble phthalocyanine represented by the following formula I; ##STR1## wherein X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are each an alkyl group, an alkoxy group or a an aryloxy group, these groups each may have a substituent; M is a metal atom; Y is a halogen atom, an oxygen atom, a hydroxy group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, or a siloxy group, these organic groups may have a substituent; k, 1, m and n are each an integer of 0, 1, 2, 3 or 4; and p is an integer of 0, 1 or 2.
摘要:
An electrophotographic photoreceptor containing titanyl phthalocyanine that has a maximum intensity peak of the Bragg angle 2.theta. at 27.3.degree..+-.0.2.degree. with respect to characteristic X-rays of Cu K.alpha. at a wavelength of 1.541.ANG. and which has a maximum intensity peak of 6.8.degree..+-.0.2.degree. in the 2.theta. range of 6.degree.-8.degree. is disclosed.
摘要:
An electrophotographic photoreceptor is disclosed. The photoreceptor comprises a resin layer &bgr; obtained by hardening at least one of an organic silicon compound having a hydroxyl group or a hydrolizable group and condensation compound thereof, and a compound represented by formula(1), A(Q)k (1) wherein A represents a group containing an aromatic group or a heterocyclic group, Q represents a group containing at least one of a hydroxy group, an amino group, and a mercapto group, and k represents an integer not less than 2, and wherein said organic silicon compound is three-dimensionally cross-linked.
摘要:
There is disclosed an electrophotographic photoreceptor which comprises a titanylphthalocyanine containing 0.2% by weight or less of chlorine in a crystal form with the X-ray diffraction spectrum to Cu--K.alpha. line having peaks at Bragg's angles 2.theta. of 9.5.degree..+-.0.2.degree., 24.1.degree..+-.0.2.degree. and 27.2.degree..+-.0.2.degree..
摘要:
An electrophotographic photoreceptor and a method for producing the same are disclosed, in which stability of coating solution of a photoreceptive layer is improved. The photoreceptor comprises a conductive support having thereon a photoreceptive layer containing a binder, a titanylphthalocyanine which has a peak in X-ray diffraction spectrum thereof by Cu-K.alpha. ray at a Bragg angle 2.theta. of 27.2.degree..+-.0.2.degree., and a phthalocyanine derivative formed by reaction of phthalocyanine and a titanium compound represented by the following formula I or II; ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each a group capable of releasing upon reaction with said phthalocyanine.
摘要:
An electrophotographic photoreceptor having a charge generation material is disclosed. The charge genaration material is mixed crystals of a titanylphthalocyanine and a vanadyl phtalocyanine, which have a characteristic peak at a Bragg angle (2.theta.) of 27.2.+-.0.2.degree. in an X-ray diffraction spectrum with a Cu-K .alpha. ray (wave length: 1.541 .ANG.) and having other specific physical property. The photoreceptor is suitably used in a printer or photocopying machine.
摘要:
The circuit breaker of this invention comprises a pair of stationary contactors 2, 3 which are respectively provided with stationary contacts 2a, 3a, a movable contactor 4 which includes a pair of movable contacts 4a and which is capable of bridging both the stationary contactors, a switching mechanism section 10 which operates when an overcurrent has flowed through the stationary contactors, a crossbar 5 which separates the movable contactor from the stationary contactors upon the operation of the switching mechanism section, a contact pressure spring 7 which is engaged with the crossbar at one end and with substantially the central part of the movable contactor at the other end and which urges the movable contactor toward the stationary contactors, and arc extinction chambers 8 which are respectively disposed near both the end parts of the movable contactor and which extinguish an arc struck at the separation of the movable contactor from the stationary contactors.
摘要:
A circuit breaker is comprised of a make-and-break mechanism part disposed between frame plates opposite to each other; a base in which a breaking portion including cross bar, moving contact, fixed contact and arc-extinguishing device, and an over-current trip device are contained; a middle base, in which a partition wall separating the breaking portion from the make-and-break mechanism part, and the breaking portion from the over-current trip device, is provided; and a cover for covering the base and middle base. A frame of the make-and-break mechanism part is secured to the base through the middle base, and the secured part of the frame and the inner bottom face of the base are disposed in the proximity.
摘要:
A papermaking felt which offers excellent elasticity over a long duration comprises a base body (2) and batt layers (3), and a film layer (5) with elongate ridges (4) having their orientation in the CMD direction. The film is arranged in the base body, in the batt layers, or between the layers. The papermaking felt is capable of running flexibly and smoothly in a winding path of a papermaking machine, and is highly resistant to flattening through fatigue, even if subjected to repeated compression under the nip pressure.