GB1079925A - Thermographic process and materials - Google Patents

Thermographic process and materials

Info

Publication number
GB1079925A
GB1079925A GB32158/64A GB3215864A GB1079925A GB 1079925 A GB1079925 A GB 1079925A GB 32158/64 A GB32158/64 A GB 32158/64A GB 3215864 A GB3215864 A GB 3215864A GB 1079925 A GB1079925 A GB 1079925A
Authority
GB
United Kingdom
Prior art keywords
tacky
transfer
areas
transferred
exposed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB32158/64A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1079925A publication Critical patent/GB1079925A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/382Contact thermal transfer or sublimation processes
    • B41M5/38207Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/914Transfer or decalcomania

Abstract

1,079,925. Thermographic transfer processes. EASTMAN KODAK CO. Aug. 7, 1964 [Aug. 7, 1963], No. 32158/64. Addition to 1, 015, 925. Heading G2C. Documents are copied by the transfer process of Claims 1 or 2 of Specification 1, 015, 925 (wherein a crystalline polymer with a tackifying point of 50-200‹ C. or a polymer containing a crystalline substance with a tackifying point between 50-200‹ C. is imagewise heated above its tackifying point and the heated areas are transferred to a receptor sheet whilst still tacky) allowing the heat-sensitive material to recrystallize until the tacky areas are not transferable at the transfer temperature and then repeating the exposure and transfer steps of the above method to obtain a second copy of the same or a different document. The materials used are those of Specification 1,015, 925 and they may contain particles to regulate the transfer of tacky material or an overcoat porous to the tacky material as disclosed in Specification 1, 015, 926. In the examples, poly (1, 4-cyclohexanadimethylene) adipate and a dye is coated on a support and is imagewise exposed to heat to raise temperature of the exposed areas to above 110‹ C. (the tackifying point). It is then contacted with a receptor sheet and the tacky areas are transferred thereto under pressure and at room temperature. After 5 minutes recrystallization at room temperature, the material is re-exposed and re-transferred to give a second copy of the same original.
GB32158/64A 1963-08-07 1964-08-07 Thermographic process and materials Expired GB1079925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US300641A US3261023A (en) 1963-08-07 1963-08-07 Thermographic recording process wherein the heat-sensitive sheet is used in plural processes

Publications (1)

Publication Number Publication Date
GB1079925A true GB1079925A (en) 1967-08-16

Family

ID=23159966

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32158/64A Expired GB1079925A (en) 1963-08-07 1964-08-07 Thermographic process and materials

Country Status (8)

Country Link
US (1) US3261023A (en)
AT (1) AT284621B (en)
DE (1) DE1216337B (en)
DK (1) DK113503B (en)
ES (1) ES302856A2 (en)
GB (1) GB1079925A (en)
MY (1) MY6900050A (en)
NL (1) NL6408771A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342623A (en) * 1961-07-14 1967-09-19 Eastman Kodak Co Heat-sensitive elements for use in thermography
US3515570A (en) * 1965-12-20 1970-06-02 Matsushita Electric Ind Co Ltd Heat-sensitive sheet and method of thermographic reproduction using the same
US3441940A (en) * 1966-09-15 1969-04-29 Phonocopy Inc Process for electro-junction thermography
US3519464A (en) * 1967-03-01 1970-07-07 Ncr Co Master paper for thermal page printer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653880A (en) * 1949-09-15 1953-09-29 Minnesota Mining & Mfg Heat-activated temporarily pressure-sensitive adhesive tape
US2769391A (en) * 1951-11-14 1956-11-06 Dick Co Ab Method of manufacturing imaged hectograph spirit master
NL254617A (en) * 1959-08-05

Also Published As

Publication number Publication date
NL6408771A (en) 1965-02-08
AT284621B (en) 1970-09-25
ES302856A2 (en) 1964-12-01
MY6900050A (en) 1969-12-31
US3261023A (en) 1966-07-12
DK113503B (en) 1969-03-31
DE1216337B (en) 1966-05-12

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