摘要:
Disclosed are carrier compositions for electrophotographic developers comprising core particles coated with a mixture of a resin and an organic surfactant having at least one carbon-fluorine bond and at least one functional group having an affinity for the resin. An intermediate resin layer may be present on the core particles, which themselves may be metal, glass or silicon dioxide, e.g.
摘要:
A magnetic toner comprising nuclear particles comprising lyophilic magnetic particles and a resin having a low softening point is disclosed. Each of the nuclear particles is surrounded by a resin wall.
摘要:
A silver halide photographic material containing a solution of a 5-pyrazolone type magneta coupler and a high-boiling organic solvent of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represent an aliphatic or aromatic group with a carbon atom of R.sub.3 directly bonded to the phosphorus atom.
摘要:
There is disclosed an improvement in a diffusion transfer photographic material having a transparent support, a receiving layer, a silver halide emulsion layer, and a neutralization layer, wherein the neutralization layer contains a copolymer containing fluorine.
摘要:
Herein disclosed are a toner composition for the development of electrostatic latent images which comprises a polymer obtained by polymerizing a polymerizable monomer or monomers in the presence of a chlorinated polyolefin, and a method for preparing the same.
摘要:
A photographic light-sensitive material comprising a layer which contains a compound represented by the following Formula I ##STR1## wherein R.sub.1 is an alkyl group having 1 to 18 carbon atoms, R.sub.2 is a hydrogen atom or an alkyl group having 1 to 18 carbon atoms with a proviso that when R.sub.2 is a hydrogen atom, R.sub.1 is an alkyl group having 1 to 7 carbon atoms, M is a cation and n is a number of 1 to 50.
摘要:
An electrostatic image developing toner comprising polymer particles produced by suspension polymerization of a polymerizable monomer in the presence of an emulsification-preventing agent. Such toners produce images of high image density.
摘要:
The present invention relates to a color diffusion transfer photographic unit containing a silver halide photosensitive element, and an image receiving element wherein said unit contains a copolymer containing two monomers. The first monomer is noted for having quaternary nitrogen while the second monomer is required to have at least one fluorine atom.
摘要:
Static resistance of a light-sensitive silver halide photographic material is improved by treating said material with a solution or dispersion of a polymer containing quaternary ammonium groups, and which also acts as an antifoaming agent in processing solutions. The polymeric moiety of the polymer has the formula ##STR1## WHEREIN R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are individually a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms; A and B are individually an alkylene group having 1 to 4 carbon atoms, a hydroxymethylene group, a phenylene group or a mere bond; X.sub.1.sup..crclbar. and X.sub.2.sup..crclbar. are individually an anion; and n is an integer of 10 to 30.
摘要:
Antistatic and antifoaming agents for use with light sensitive silver halide photographic materials comprised of polymerized pyridyl-type compounds are disclosed.