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GB766841A - Improvements in or relating to corrosion-resistant fibrous web or fabric - Google Patents

Improvements in or relating to corrosion-resistant fibrous web or fabric

Info

Publication number
GB766841A
GB766841A GB2655853A GB2655853A GB766841A GB 766841 A GB766841 A GB 766841A GB 2655853 A GB2655853 A GB 2655853A GB 2655853 A GB2655853 A GB 2655853A GB 766841 A GB766841 A GB 766841A
Authority
GB
United Kingdom
Prior art keywords
fabric
heated
polytetrafluorethylene
sintering
pressing
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
GB2655853A
Inventor
David Deverell
Nigel Cecil William Judd
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB2655853A priority Critical patent/GB766841A/en
Publication of GB766841A publication Critical patent/GB766841A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
    • D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

766,841. Corrosion-resistant fabric. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Dec. 23, 1954 [Sept. 28, 1953], No. 26558/53. Class 140. [Also in Group XXVIII] A web or fabric of glass or mineral fibres is impregnated with a dispersion of polytetrafluorethylene in a volatilizable liquid medium, heated to remove the latter by evaporation, and is then subjected to pressure at an elevated temperature below the sintering temperature of the polytetrafluorethylene, the steps of impregnation, heating to evaporate the liquid and pressing at an elevated temperature are repeated at least once and finally the web or fabric is heated to sinter the polytetrafluorethylene. Pressures of 5 tons per square inch may be used. Temperature during the pressing steps may be 200‹ C. and during the final pressing before sintering may be 300‹ C. Sintering may be effected at 350‹ C. Pressure may be applied by platens or rolls. For continuous production, glass cloth may be run through a series of stages each comprising an impregnating bath or heated chamber and heated rolls to compress the impregnated fabric; and final passage through a chamber heated to sintering temperature.
GB2655853A 1953-09-28 1953-09-28 Improvements in or relating to corrosion-resistant fibrous web or fabric Expired GB766841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2655853A GB766841A (en) 1953-09-28 1953-09-28 Improvements in or relating to corrosion-resistant fibrous web or fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2655853A GB766841A (en) 1953-09-28 1953-09-28 Improvements in or relating to corrosion-resistant fibrous web or fabric

Publications (1)

Publication Number Publication Date
GB766841A true GB766841A (en) 1957-01-23

Family

ID=10245523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2655853A Expired GB766841A (en) 1953-09-28 1953-09-28 Improvements in or relating to corrosion-resistant fibrous web or fabric

Country Status (1)

Country Link
GB (1) GB766841A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146028B (en) * 1958-04-29 1963-03-28 Freudenberg Carl Fa Iron-on insert for clothing
CN110820233A (en) * 2019-12-09 2020-02-21 浙江鸿盛环保科技集团有限公司 Modularization after finishing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146028B (en) * 1958-04-29 1963-03-28 Freudenberg Carl Fa Iron-on insert for clothing
CN110820233A (en) * 2019-12-09 2020-02-21 浙江鸿盛环保科技集团有限公司 Modularization after finishing system

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