FR2262040A1 - N-(5-Tetrazolo)-tetrahydro-phthalimides - blowing agents for thermoplastics, esp polycarbonate, causing no discolouration - Google Patents

N-(5-Tetrazolo)-tetrahydro-phthalimides - blowing agents for thermoplastics, esp polycarbonate, causing no discolouration

Info

Publication number
FR2262040A1
FR2262040A1 FR7504784A FR7504784A FR2262040A1 FR 2262040 A1 FR2262040 A1 FR 2262040A1 FR 7504784 A FR7504784 A FR 7504784A FR 7504784 A FR7504784 A FR 7504784A FR 2262040 A1 FR2262040 A1 FR 2262040A1
Authority
FR
France
Prior art keywords
esp
discolouration
tetrahydro
blowing agents
phthalimides
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.)
Granted
Application number
FR7504784A
Other languages
English (en)
Other versions
FR2262040B1 (fr
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.)
Fisons Ltd
Original Assignee
Fisons 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
Application filed by Fisons Ltd filed Critical Fisons Ltd
Publication of FR2262040A1 publication Critical patent/FR2262040A1/fr
Application granted granted Critical
Publication of FR2262040B1 publication Critical patent/FR2262040B1/fr
Granted 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
    • C08J9/108—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 in a heterocyclic ring containing at least one carbon atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Indole Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
FR7504784A 1974-02-22 1975-02-17 N-(5-Tetrazolo)-tetrahydro-phthalimides - blowing agents for thermoplastics, esp polycarbonate, causing no discolouration Granted FR2262040A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB812974 1974-02-22

Publications (2)

Publication Number Publication Date
FR2262040A1 true FR2262040A1 (en) 1975-09-19
FR2262040B1 FR2262040B1 (fr) 1978-03-17

Family

ID=9846324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504784A Granted FR2262040A1 (en) 1974-02-22 1975-02-17 N-(5-Tetrazolo)-tetrahydro-phthalimides - blowing agents for thermoplastics, esp polycarbonate, causing no discolouration

Country Status (6)

Country Link
JP (1) JPS50129563A (fr)
BE (1) BE825641A (fr)
BR (1) BR7501094A (fr)
DE (1) DE2506775A1 (fr)
FR (1) FR2262040A1 (fr)
NL (1) NL7501883A (fr)

Also Published As

Publication number Publication date
JPS50129563A (fr) 1975-10-13
DE2506775A1 (de) 1975-08-28
BR7501094A (pt) 1975-12-02
FR2262040B1 (fr) 1978-03-17
NL7501883A (nl) 1975-08-26
BE825641A (fr) 1975-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse