EP 0058345 A1 19820825 - Heat-sensitive recording sheet.
Title (en)
Heat-sensitive recording sheet.
Title (de)
Wärmeempfindliches Aufzeichnungsblatt.
Title (fr)
Feuille d'enregistrement thermosensible.
Publication
Application
Priority
JP 1565981 A 19810206
Abstract (en)
[origin: JPS57129785A] PURPOSE:To obtain the heat sensitive recording paper which has excellent coloring property and produces stable coloring images even though hair dressing materials and sweat are attached, by forming a coloring layer by including dimethyl terephthalate. CONSTITUTION:(A) one part of a basic colorless dye (e.g. crystal violet lactone), (B) about 3-10 parts of organic developer (e.g. bisphenol A), (C) about 1-5 parts of dimethyl terephthalate, (D) aboud 1-20 parts of a filler (e.g. kaoline, talk, and the like), and (E) about 10-25 parts of a bonding agent (e.g. polyvinyl alcohol) are mixed. The obtained painting liquid is applied on a substrate such as paper and film, and dried. Thus the heat sensitive recording paper is obtained.
Abstract (de)
Ein wärmeempfindliches Aufzeichnungsblatt enthält in einer farbbildenden Schicht einen basischen farblosen oder schwach farbigen chromogenen Farbstoff, ein organisches Farbentwicklungsmittel und Dimethylterephthalat.
IPC 1-7
IPC 8 full level
B41M 5/337 (2006.01)
CPC (source: EP US)
B41M 5/3375 (2013.01 - EP US); Y10S 428/913 (2013.01 - EP US)
Citation (search report)
- JP S5672996 A 19810617 - HODOGAYA CHEMICAL CO LTD
- PATENT ABSTRACTS OF JAPAN, Band 5, Nr. 139, 3. September 1981, seite (M-86) (811) & JP - A - 56 72 996 (Hodogaya Kagaku Kogyo) (17-06-1981) * die ganze Zusammenfassung *
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0058345 A1 19820825; EP 0058345 B1 19840905; EP 0058345 B2 19910814; DE 3260642 D1 19841011; JP S57129785 A 19820811; US 4431706 A 19840214
DOCDB simple family (application)
EP 82100773 A 19820203; DE 3260642 T 19820203; JP 1565981 A 19810206; US 34274882 A 19820126