GB914415A - Improvements in or relating to the treatment of zinc-sulphide containing pigments - Google Patents

Improvements in or relating to the treatment of zinc-sulphide containing pigments

Info

Publication number
GB914415A
GB914415A GB4014860A GB4014860A GB914415A GB 914415 A GB914415 A GB 914415A GB 4014860 A GB4014860 A GB 4014860A GB 4014860 A GB4014860 A GB 4014860A GB 914415 A GB914415 A GB 914415A
Authority
GB
United Kingdom
Prior art keywords
treatment
zinc
relating
containing pigments
sulphide containing
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
GB4014860A
Inventor
Roman Graeff
Walter Breckheimer
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.)
HERBERT WAHLEN
MANFRED GRAEFF
ROBERT WAHLEN
Original Assignee
HERBERT WAHLEN
MANFRED GRAEFF
ROBERT WAHLEN
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 HERBERT WAHLEN, MANFRED GRAEFF, ROBERT WAHLEN filed Critical HERBERT WAHLEN
Priority to GB4014860A priority Critical patent/GB914415A/en
Publication of GB914415A publication Critical patent/GB914415A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L5/00—Slide valve-gear or valve-arrangements
    • F01L5/04—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L5/06—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves surrounding working cylinder or piston
    • F01L5/08—Arrangements with several movements or several valves, e.g. one valve inside the other
    • F01L5/10—Arrangements with several movements or several valves, e.g. one valve inside the other with reciprocating and other movements of the same valve
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/04—Compounds of zinc
    • C09C1/06—Lithopone
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

The treatment of calcined zinc sulphide pigment described in the parent Specification is effected at a pH of not less than 2 when an acid is the zinc oxide dissolving agent and at a pH of 8 to 12 when an alkali is said agent.
GB4014860A 1960-11-22 1960-11-22 Improvements in or relating to the treatment of zinc-sulphide containing pigments Expired GB914415A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4014860A GB914415A (en) 1960-11-22 1960-11-22 Improvements in or relating to the treatment of zinc-sulphide containing pigments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4014860A GB914415A (en) 1960-11-22 1960-11-22 Improvements in or relating to the treatment of zinc-sulphide containing pigments

Publications (1)

Publication Number Publication Date
GB914415A true GB914415A (en) 1963-01-02

Family

ID=10413417

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4014860A Expired GB914415A (en) 1960-11-22 1960-11-22 Improvements in or relating to the treatment of zinc-sulphide containing pigments

Country Status (1)

Country Link
GB (1) GB914415A (en)

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