GB791144A - Foamed phenol-formaldehyde condensates - Google Patents

Foamed phenol-formaldehyde condensates

Info

Publication number
GB791144A
GB791144A GB2733755A GB2733755A GB791144A GB 791144 A GB791144 A GB 791144A GB 2733755 A GB2733755 A GB 2733755A GB 2733755 A GB2733755 A GB 2733755A GB 791144 A GB791144 A GB 791144A
Authority
GB
United Kingdom
Prior art keywords
acid
sulphonhydrazide
condensate
added
benzene
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
GB2733755A
Other languages
English (en)
Inventor
Arthur Lambert
George Henry Lang
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Priority to BE551202D priority Critical patent/BE551202A/xx
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB2733755A priority patent/GB791144A/en
Publication of GB791144A publication Critical patent/GB791144A/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
    • C08J9/06—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 chemical blowing agent
    • C08J9/10—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 chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
    • C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
    • 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
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Artificial Filaments (AREA)
GB2733755A 1955-09-26 1955-09-26 Foamed phenol-formaldehyde condensates Expired GB791144A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE551202D BE551202A (cs) 1955-09-26
GB2733755A GB791144A (en) 1955-09-26 1955-09-26 Foamed phenol-formaldehyde condensates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2733755A GB791144A (en) 1955-09-26 1955-09-26 Foamed phenol-formaldehyde condensates

Publications (1)

Publication Number Publication Date
GB791144A true GB791144A (en) 1958-02-26

Family

ID=10257936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2733755A Expired GB791144A (en) 1955-09-26 1955-09-26 Foamed phenol-formaldehyde condensates

Country Status (2)

Country Link
BE (1) BE551202A (cs)
GB (1) GB791144A (cs)

Also Published As

Publication number Publication date
BE551202A (cs)

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