GB1397943A - Release coating composition - Google Patents

Release coating composition

Info

Publication number
GB1397943A
GB1397943A GB1669672A GB1669672A GB1397943A GB 1397943 A GB1397943 A GB 1397943A GB 1669672 A GB1669672 A GB 1669672A GB 1669672 A GB1669672 A GB 1669672A GB 1397943 A GB1397943 A GB 1397943A
Authority
GB
United Kingdom
Prior art keywords
polyethylene
coated
silicone polymer
release
organic liquid
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
GB1669672A
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.)
Jointine Products Co Ltd
Original Assignee
Jointine Products 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 Jointine Products Co Ltd filed Critical Jointine Products Co Ltd
Priority to GB1669672A priority Critical patent/GB1397943A/en
Publication of GB1397943A publication Critical patent/GB1397943A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00Coated paper; Coating material
    • D21H19/10Coatings without pigments
    • D21H19/14Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/24Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/32Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming a linkage containing silicon in the main chain of the macromolecule
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04Polysiloxanes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D123/00Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00Coated paper; Coating material
    • D21H19/10Coatings without pigments
    • D21H19/14Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/20Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/22Polyalkenes, e.g. polystyrene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • C08G77/20Polysiloxanes containing silicon bound to unsaturated aliphatic groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

1397943 Release coatings JONTINE PRODUCTS CO LTD 10 April 1973 [11 April 1972] 16696/72 Heading B2E [Also in Division C3] Fibrous substrates are coated with a release composition consisting essentially of a powdered thermoplastic polymer chosen from polyethylene, polypropylene, polystyrene and copolymers of styrene, said powder being suspended in an organic liquid chosen from aliphatic and aromatic hydrocarbon solvents and mixtures thereof, the thermoplastic polymer being insoluble therein at a temperature below 35‹C, said organic liquid having dissolved therein a silicone polymer chosen from polydialkyl siloxanes and polyvinyl siloxanes, the proportion of thermoplastic polymer to silicone polymer being from 1:4 to 4:1 by weight. The boiling point of the organic liquid should preferably be above 60‹C. The composition may also include a curing catalyst. A suitable thermoplast is a polyethylene of molecular weight 1,000 to 10,000, a density of 0.9 to 0.96 g/cm<SP>3</SP>, and a melting point of 80‹-140‹C. In the examples a release coating composition is prepared by dissolving a silicone polymer which is a mixture of dimethylpolysiloxane and a minor amount of methylhydrogenpolysiloxane as a cross-linked aminopolysiloxane as a cross-linking agent and an organic tin complex as curing catalyst in a petroleum solvent and forming a suspension of a powdered polyethylene in the resulting solution. The suspension is then coated on to an uncoated kraft paper and a polyethylene coated kraft paper, the solvent evaporated therefrom and the silicone polymer cured by heating. The coated release paper can be used for packaging of hot bitumastic compositions.
GB1669672A 1972-04-11 1972-04-11 Release coating composition Expired GB1397943A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1669672A GB1397943A (en) 1972-04-11 1972-04-11 Release coating composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1669672A GB1397943A (en) 1972-04-11 1972-04-11 Release coating composition

Publications (1)

Publication Number Publication Date
GB1397943A true GB1397943A (en) 1975-06-18

Family

ID=10081985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1669672A Expired GB1397943A (en) 1972-04-11 1972-04-11 Release coating composition

Country Status (1)

Country Link
GB (1) GB1397943A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399101A1 (en) * 1977-07-27 1979-02-23 Raychem Ltd USEFUL POLYMERIC MIXTURES IN PARTICULAR FOR THE MANUFACTURE OF ELECTRICAL WIRES AND CABLES FOR SAFETY
EP0168624A1 (en) * 1984-06-15 1986-01-22 Hoechst Aktiengesellschaft Adhesive tape
EP0371633A2 (en) * 1988-11-30 1990-06-06 Minnesota Mining And Manufacturing Company Indicia-receptive low adhesion backsize
EP0379561A1 (en) * 1988-06-25 1990-08-01 Avery International Corp Improvements relating to adherent surfaces.
WO1996040833A1 (en) * 1995-06-07 1996-12-19 Moore Business Forms, Inc. Matte finished release composition, linerless labels incorporating the release composiiton and method for making same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399101A1 (en) * 1977-07-27 1979-02-23 Raychem Ltd USEFUL POLYMERIC MIXTURES IN PARTICULAR FOR THE MANUFACTURE OF ELECTRICAL WIRES AND CABLES FOR SAFETY
EP0168624A1 (en) * 1984-06-15 1986-01-22 Hoechst Aktiengesellschaft Adhesive tape
EP0379561A1 (en) * 1988-06-25 1990-08-01 Avery International Corp Improvements relating to adherent surfaces.
EP0379561A4 (en) * 1988-06-25 1991-05-08 Avery International Corporation Improvements relating to adherent surfaces
EP0371633A2 (en) * 1988-11-30 1990-06-06 Minnesota Mining And Manufacturing Company Indicia-receptive low adhesion backsize
EP0371633A3 (en) * 1988-11-30 1992-01-22 Minnesota Mining And Manufacturing Company Indicia-receptive low adhesion backsize
WO1996040833A1 (en) * 1995-06-07 1996-12-19 Moore Business Forms, Inc. Matte finished release composition, linerless labels incorporating the release composiiton and method for making same
US5968996A (en) * 1995-06-07 1999-10-19 Moore Business Forms, Inc. Matte finished release composition, linerless labels incorporating the release compositon and method for making same
US6004630A (en) * 1995-06-07 1999-12-21 Moore Business Forms, Inc. Matte finished release composition, linerless labels incorporating the release composition and method for making same
US6221485B1 (en) 1995-06-07 2001-04-24 Moore Business Forms, Inc. Matte finished release composition and linerless labels incorporating the release composition

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee