IT981479B - Procedimento per la preparazione di espansi polivinilaromatici - Google Patents

Procedimento per la preparazione di espansi polivinilaromatici

Info

Publication number
IT981479B
IT981479B IT2180873A IT2180873A IT981479B IT 981479 B IT981479 B IT 981479B IT 2180873 A IT2180873 A IT 2180873A IT 2180873 A IT2180873 A IT 2180873A IT 981479 B IT981479 B IT 981479B
Authority
IT
Italy
Prior art keywords
polyvinylaromatic
foams
procedure
preparation
polyvinylaromatic foams
Prior art date
Application number
IT2180873A
Other languages
English (en)
Italian (it)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT981479B publication Critical patent/IT981479B/it

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
    • C08J9/14—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 organic
    • C08J9/142—Compounds containing oxygen but no halogen atom
    • 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
    • C08J9/14—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 organic
    • C08J9/141—Hydrocarbons
    • 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
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons

Landscapes

  • 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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT2180873A 1972-03-21 1973-03-16 Procedimento per la preparazione di espansi polivinilaromatici IT981479B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722213647 DE2213647A1 (de) 1972-03-21 1972-03-21 Verfahren zur herstellung von polyvinylaromatschaumstoffen

Publications (1)

Publication Number Publication Date
IT981479B true IT981479B (it) 1974-10-10

Family

ID=5839621

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2180873A IT981479B (it) 1972-03-21 1973-03-16 Procedimento per la preparazione di espansi polivinilaromatici

Country Status (6)

Country Link
AT (1) AT320995B (enExample)
BE (1) BE797121A (enExample)
DE (1) DE2213647A1 (enExample)
FR (1) FR2176994A1 (enExample)
IT (1) IT981479B (enExample)
NL (1) NL7303716A (enExample)

Also Published As

Publication number Publication date
FR2176994B3 (enExample) 1976-03-19
FR2176994A1 (en) 1973-11-02
DE2213647A1 (de) 1973-10-04
BE797121A (fr) 1973-09-21
AT320995B (de) 1975-05-10
NL7303716A (enExample) 1973-09-25

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