GB1374017A - Release paper for use in forming plastics laminates - Google Patents

Release paper for use in forming plastics laminates

Info

Publication number
GB1374017A
GB1374017A GB4490072A GB4490072A GB1374017A GB 1374017 A GB1374017 A GB 1374017A GB 4490072 A GB4490072 A GB 4490072A GB 4490072 A GB4490072 A GB 4490072A GB 1374017 A GB1374017 A GB 1374017A
Authority
GB
United Kingdom
Prior art keywords
paper
press
resin
pressed against
polyvinylalcohol
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
GB4490072A
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.)
Kimberly Clark Tissue Co
Original Assignee
Scott Paper 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 Scott Paper Co filed Critical Scott Paper Co
Publication of GB1374017A publication Critical patent/GB1374017A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/001—Release paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds

Landscapes

  • Laminated Bodies (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Adhesive Tapes (AREA)

Abstract

1374017 Laminates SCOTT PAPER CO 28 Sept 1972 [8 Oct 1971] 44900/72 Heading B5N Sheets of acrylic or polyester resins are laminated by a method which includes the step of pressing a sheet of the resin against a piece of paper having an easy release surface, wherein the release coating comprises polyvinylalcohol and up to 20% of methyl cellulose based on the weight of the polyvinylalcohol. In the examples (1) paper is coated with an aqueous composition containing polyvinylalcohol and methylcellulose. This is pressed against a polyester resin prepeg which is supported on chipboard in a press. The assembly is removed and the paper peeled off; (2) paper is similarly coated and pressed against two superimposed sheets of polyester saturated kraft paper in a press and the release paper stripped off; and (3) a similarly coated paper is pressed against a layer of acrylic resin supported on an asbestos board impregnated with a vinyl resin, in a press and the release paper again removed from the assembly.
GB4490072A 1971-10-08 1972-09-28 Release paper for use in forming plastics laminates Expired GB1374017A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18781871A 1971-10-08 1971-10-08

Publications (1)

Publication Number Publication Date
GB1374017A true GB1374017A (en) 1974-11-13

Family

ID=22690597

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4490072A Expired GB1374017A (en) 1971-10-08 1972-09-28 Release paper for use in forming plastics laminates

Country Status (7)

Country Link
JP (1) JPS4845607A (en)
CA (1) CA972235A (en)
FI (1) FI55542C (en)
FR (1) FR2155662A5 (en)
GB (1) GB1374017A (en)
IT (1) IT966244B (en)
SE (1) SE395921B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE456008B (en) * 1986-12-11 1988-08-29 Tetra Pak Ab PACKAGING CONTAINER WITH OPENABLE, SEAL WEAKEN

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819181A (en) * 1954-02-11 1958-01-07 Warren S D Co Method of making paper carrier sheet for thermoplastic and elastic film

Also Published As

Publication number Publication date
JPS4845607A (en) 1973-06-29
CA972235A (en) 1975-08-05
DE2249789B2 (en) 1975-02-06
FI55542C (en) 1979-08-10
DE2249789A1 (en) 1973-04-12
FI55542B (en) 1979-04-30
IT966244B (en) 1974-02-11
SE395921B (en) 1977-08-29
FR2155662A5 (en) 1973-05-18

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Legal Events

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