摘要:
This invention provides a heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer which is formed over the substrate and which contains a diazonium salt, a coupler and at least one of heat-fusible basic amidine and diamidine compounds. The heat-sensitive recording material is especially excellent in storage stability.
摘要:
A photosensitive composition for photosensitive print- ' ing plates, containing a photosensitive diazo compound and an organic macromolecular carrier possessing improved storage stability and development properties by containing tartaric acid.
摘要:
The use of soluble methylol compounds from primary or secondary amines or ammonia with formaldehyde in diazotypes improves solution compatibility and prevents coupler migration upon storage of diazotype materials. The methylol compounds may be reacted with couplers separately or added to the coating preparations.
摘要:
An ampholytic surfactant is added to a photosensitive composition consisting essentially of an aromatic diazonium salt and used to prepare a fluorescent screen of a color picture tube. The photosensitive composition can reduce exposure time or amount of light exposure and can reduce formation of fogs.
摘要:
A diazotype material is disclosed the light sensitive layer of which comprises a particular film forming binder (a partially hydrolyzed polyvinyl acetate) and a special kind of silica filler. Through this specific combination of binder and filler a diazotype material with a good wet-rub-resistance and with good writing and drafting properties is obtained. Upon use of a transparent support this material may be used as a so-called intermediate original.
摘要:
By adding a compound of formula (I) or (II): (in which R'-R" are the same or different and each represents a hydrogen atom or an alkyl group) to a conventional photoresist composition comprising a cyclized product of a conjugated diene polymer (which may be a homopolymer or a copolymer) and a photocrosslinking agent soluble in an organic solvent, an image having a high degree of resolution can be obtained. even when a base board having a highly reflecting surface is used, with a high degree of reproducibility and without being affected by prebaking conditions.
摘要:
There is disclosed a photosensitive composition comprising an o-quinonediazide compound and, as a binder resin, a resin containing in the molecule the unit represented by the following formula wherein R 1 R 2 , R 3 and R 4 have the same meanings as defined in the specification. The photosensitive composition according to the present invention has excellent resistance to chemicals and long press-life, and is excellent in alkali-solubility and difficult to form scumming.