DE2340927C3 - Verfahren zur Herstellung von Schäumen auf Schwefelbasis - Google Patents

Verfahren zur Herstellung von Schäumen auf Schwefelbasis

Info

Publication number
DE2340927C3
DE2340927C3 DE19732340927 DE2340927A DE2340927C3 DE 2340927 C3 DE2340927 C3 DE 2340927C3 DE 19732340927 DE19732340927 DE 19732340927 DE 2340927 A DE2340927 A DE 2340927A DE 2340927 C3 DE2340927 C3 DE 2340927C3
Authority
DE
Germany
Prior art keywords
sulfur
mixture
acid
foam
zone
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
DE19732340927
Other languages
German (de)
English (en)
Other versions
DE2340927B2 (de
DE2340927A1 (de
Inventor
John Mitchell Dale
Allen Clarence Ludwig
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.)
Chevron USA Inc
Original Assignee
Chevron Research 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 Chevron Research Co filed Critical Chevron Research Co
Publication of DE2340927A1 publication Critical patent/DE2340927A1/de
Publication of DE2340927B2 publication Critical patent/DE2340927B2/de
Application granted granted Critical
Publication of DE2340927C3 publication Critical patent/DE2340927C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/36—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing sulfur, sulfides or selenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/0243—Other after-treatment of sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
DE19732340927 1972-08-17 1973-08-13 Verfahren zur Herstellung von Schäumen auf Schwefelbasis Expired DE2340927C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28158772A 1972-08-17 1972-08-17
US38259873A 1973-07-25 1973-07-25

Publications (3)

Publication Number Publication Date
DE2340927A1 DE2340927A1 (de) 1974-02-28
DE2340927B2 DE2340927B2 (de) 1980-01-03
DE2340927C3 true DE2340927C3 (de) 1980-09-04

Family

ID=26960961

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732340927 Expired DE2340927C3 (de) 1972-08-17 1973-08-13 Verfahren zur Herstellung von Schäumen auf Schwefelbasis

Country Status (10)

Country Link
JP (1) JPS49131993A (fr)
CA (1) CA1030700A (fr)
DE (1) DE2340927C3 (fr)
ES (1) ES417904A1 (fr)
FI (1) FI62039C (fr)
FR (1) FR2196370B1 (fr)
GB (1) GB1430215A (fr)
IT (1) IT998343B (fr)
NO (1) NO138249C (fr)
SE (1) SE393366B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1072249A (fr) * 1974-10-18 1980-02-19 Chevron Research And Technology Company Mousse de soufre
CA1121952A (fr) * 1977-07-29 1982-04-20 John A. Heinen Substance et traitement permettant d'obtenir des substances liquescentes en mousse a partir de certaines substances sous forme de particules

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337355A (en) * 1965-02-04 1967-08-22 Southwest Patents Inc Solid foamed sulphur and process for the manufacture thereof

Also Published As

Publication number Publication date
NO138249C (no) 1978-08-02
NO138249B (no) 1978-04-24
GB1430215A (en) 1976-03-31
FR2196370B1 (fr) 1976-11-12
IT998343B (it) 1976-01-20
ES417904A1 (es) 1976-07-01
DE2340927B2 (de) 1980-01-03
CA1030700A (fr) 1978-05-02
SE393366B (sv) 1977-05-09
JPS49131993A (fr) 1974-12-18
FI62039B (fi) 1982-07-30
DE2340927A1 (de) 1974-02-28
FI62039C (fi) 1982-11-10
FR2196370A1 (fr) 1974-03-15
AU5935573A (en) 1975-02-20

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8328 Change in the person/name/address of the agent

Free format text: DEUFEL, P., DIPL.-WIRTSCH.-ING. DR.RER.NAT. SCHOEN, A., DIPL.-CHEM. DR.RER.NAT. HERTEL, W., DIPL.-PHYS., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee