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GB699667A - Method and apparatus for making sponge rubber - Google Patents

Method and apparatus for making sponge rubber

Info

Publication number
GB699667A
GB699667A GB2191351A GB2191351A GB699667A GB 699667 A GB699667 A GB 699667A GB 2191351 A GB2191351 A GB 2191351A GB 2191351 A GB2191351 A GB 2191351A GB 699667 A GB699667 A GB 699667A
Authority
GB
United Kingdom
Prior art keywords
latex
nitrous oxide
neoprene
rubber
pict
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
GB2191351A
Inventor
William Richard Stauffer
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.)
Commonwealth Engineering Company of Ohio
Original Assignee
Commonwealth Engineering Company of Ohio
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 Commonwealth Engineering Company of Ohio filed Critical Commonwealth Engineering Company of Ohio
Priority to GB2191351A priority Critical patent/GB699667A/en
Publication of GB699667A publication Critical patent/GB699667A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/032—Impregnation of a formed object with a gas
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers
    • C08J2321/02—Latex

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Sponge rubber is produced by foaming an aqueous dispersion of a synthetic rubber or polyvinyl chloride by expansion with nitrous oxide gas and vulcanizing the resulting foam. The synthetic rubber may be neoprene or poly <PICT:0699667/IV (a)/1> <PICT:0699667/IV (a)/2> butadiene. In examples (I) neoprene latex, castor oil and sodium silicofluoride; (II) natural rubber latex, neoprene latex, castor oil and sodium silicofluoride, are impregnated in a closed container with nitrous oxide at from 80 to 250 lb. per sq. inch. The latex is preferably charged with nitrous oxide in a container 1 (Fig. 3) fitted with refrigerator means 3, and is then released through nozzle 2 when it foams and passes to belt 4 on which it is spread by doctor blade 5, it then passes through steam table 6 and under infra-red lamps 7 and onto conveyer belt 8. The foamed material may also be passed into a mould (Fig. 4) consisting of spaced metal plates 16 and 17 held apart by spacers 18 but open at the ends 19 and then vulcanized, the plates are removed and the corrugated sponge removed.
GB2191351A 1951-09-18 1951-09-18 Method and apparatus for making sponge rubber Expired GB699667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2191351A GB699667A (en) 1951-09-18 1951-09-18 Method and apparatus for making sponge rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2191351A GB699667A (en) 1951-09-18 1951-09-18 Method and apparatus for making sponge rubber

Publications (1)

Publication Number Publication Date
GB699667A true GB699667A (en) 1953-11-11

Family

ID=10170902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2191351A Expired GB699667A (en) 1951-09-18 1951-09-18 Method and apparatus for making sponge rubber

Country Status (1)

Country Link
GB (1) GB699667A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874407A (en) * 1955-11-25 1959-02-24 Firestone Tire & Rubber Co Latex slab making apparatus
US2948928A (en) * 1955-12-16 1960-08-16 Bayer Ag Process for manufacturing foamed polyurethane articles
US2956310A (en) * 1957-06-05 1960-10-18 B B Chem Co Casting of thin cellular resin sheets
US3214265A (en) * 1963-03-11 1965-10-26 Lor Corp Method of making metal foam bodies
US3226899A (en) * 1962-11-26 1966-01-04 Landreth Ind Insulation panels for use in box cars

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874407A (en) * 1955-11-25 1959-02-24 Firestone Tire & Rubber Co Latex slab making apparatus
US2948928A (en) * 1955-12-16 1960-08-16 Bayer Ag Process for manufacturing foamed polyurethane articles
US2956310A (en) * 1957-06-05 1960-10-18 B B Chem Co Casting of thin cellular resin sheets
US3226899A (en) * 1962-11-26 1966-01-04 Landreth Ind Insulation panels for use in box cars
US3214265A (en) * 1963-03-11 1965-10-26 Lor Corp Method of making metal foam bodies

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