GB1312270A - Heat-sensitive stencil sheet - Google Patents

Heat-sensitive stencil sheet

Info

Publication number
GB1312270A
GB1312270A GB5293770A GB5293770A GB1312270A GB 1312270 A GB1312270 A GB 1312270A GB 5293770 A GB5293770 A GB 5293770A GB 5293770 A GB5293770 A GB 5293770A GB 1312270 A GB1312270 A GB 1312270A
Authority
GB
United Kingdom
Prior art keywords
heat
adhesive
image
nov
compound
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
GB5293770A
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB1312270A publication Critical patent/GB1312270A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B41N1/242—Backing sheets; Top sheets; Intercalated sheets, e.g. cushion sheets; Release layers or coatings; Means to obtain a contrasting image, e.g. with a carbon sheet or coating
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31645—Next to addition polymer from unsaturated monomers

Landscapes

  • Printing Plates And Materials Therefor (AREA)

Abstract

1312270 Heat-sensitive stencils RICOH KK 6 Nov 1970 [14 Nov 1969] 52937/70 Heading G2C A heat-sensitive stencil comprises a porous paper support and a layer comprising a thermoplastic resin bonded to the support with an adhesive; either the adhesive or a coating on the unbonded surface of the resin layer containing a compound or components which produce a colour on heating and a metal salt of a fatty acid with 10-22 carbon atoms as heat-fusible material which improves the clarity of the image formed. When the stencil is image-wise exposed, the resin layer fuses and perforates and a coloured image is formed in the perforated areas thus allowing the correct exposure to be more easily determined. The preferred thermoplastic resin is a vinylidene chloride/vinyl chloride copolymer while the preferred heat-sensitve compound or components are those specified in Specification 1299194. Specified adhesive are polyvinylacetate, vinylidene chloride/acrylonitrile copolymer and acrylic resins.
GB5293770A 1969-11-14 1970-11-06 Heat-sensitive stencil sheet Expired GB1312270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9126969 1969-11-14

Publications (1)

Publication Number Publication Date
GB1312270A true GB1312270A (en) 1973-04-04

Family

ID=14021704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5293770A Expired GB1312270A (en) 1969-11-14 1970-11-06 Heat-sensitive stencil sheet

Country Status (3)

Country Link
US (1) US3715263A (en)
DK (2) DK126910B (en)
GB (1) GB1312270A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH035195A (en) * 1989-06-02 1991-01-10 Tomoegawa Paper Co Ltd Thermosensitive stencil paper

Also Published As

Publication number Publication date
DK126910B (en) 1973-09-03
DK127463B (en) 1973-11-12
DE2050024A1 (en) 1972-01-13
US3715263A (en) 1973-02-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee