ES453818A1 - Procedimiento para la preparacion de materiales de espuma termoestables. - Google Patents

Procedimiento para la preparacion de materiales de espuma termoestables.

Info

Publication number
ES453818A1
ES453818A1 ES453818A ES453818A ES453818A1 ES 453818 A1 ES453818 A1 ES 453818A1 ES 453818 A ES453818 A ES 453818A ES 453818 A ES453818 A ES 453818A ES 453818 A1 ES453818 A1 ES 453818A1
Authority
ES
Spain
Prior art keywords
converted
heat
mixtures containing
foamed plastics
resistant foamed
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
ES453818A
Other languages
English (en)
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES453818A1 publication Critical patent/ES453818A1/es
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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/12—Unsaturated polyimide precursors
    • C08G73/121—Preparatory processes from unsaturated precursors and polyamines
    • 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
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/909—Blowing-agent moderator, e.g. kickers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

Procedimiento para la preparación de materiales de espuma termoestables, caracterizado por combinarse un propolímero termoplástico, previamente obtenido por reacción a 50º-170ºC entre una diimida o triimida de la fórmula general I **(Fórmula)** y una poliamina de la fórmula V D-(NH2)y (V) en cuya fórmula A significa un radical orgánico n-valente con 2 átomos de carbono a lo sumo y 30 átomos de carbono a lo sumo, R significa 2 o 3, D significa un radical orgánico y n-valente con 2 a 40 átomos de carbono, e y significa un número por valor de 2 a 4, con una azometina.
ES453818A 1974-01-16 1976-11-16 Procedimiento para la preparacion de materiales de espuma termoestables. Expired ES453818A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH57274 1974-01-16

Publications (1)

Publication Number Publication Date
ES453818A1 true ES453818A1 (es) 1978-03-01

Family

ID=4190107

Family Applications (2)

Application Number Title Priority Date Filing Date
ES433806A Expired ES433806A1 (es) 1974-01-16 1975-01-15 Procedimiento para la preparacion de materiales de espuma termoestables.
ES453818A Expired ES453818A1 (es) 1974-01-16 1976-11-16 Procedimiento para la preparacion de materiales de espuma termoestables.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES433806A Expired ES433806A1 (es) 1974-01-16 1975-01-15 Procedimiento para la preparacion de materiales de espuma termoestables.

Country Status (12)

Country Link
US (1) US3947385A (es)
JP (1) JPS593485B2 (es)
AT (1) AT337459B (es)
BE (1) BE824382A (es)
CA (1) CA1041250A (es)
DD (1) DD116844A5 (es)
DE (1) DE2501110C2 (es)
ES (2) ES433806A1 (es)
FR (1) FR2257629B1 (es)
GB (1) GB1496172A (es)
NL (1) NL7500120A (es)
ZA (1) ZA75284B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2459961A1 (de) * 1973-12-21 1975-07-03 Ciba Geigy Ag Verfahren zur herstellung von imidgruppen aufweisenden polyadditionsprodukten
JPS60162392U (ja) * 1984-04-04 1985-10-28 日本電気株式会社 Ｉｃソケツト
JPS611289U (ja) * 1984-06-11 1986-01-07 山一電機工業株式会社 Ｉｃソケツト
DE102015000393A1 (de) 2014-01-21 2015-07-23 Frank Becher Verfahren zur Herstellung von geschlossen-porigen Erzeugnissen mit hohlen Zellen, mittels dessen der Druck in den Zellen kontrolliert während des Aufschäumens erhöht oder reduziert werden kann, sowie Erzeugnisse, die nach diesem Verfahren hergestellt werden

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7500119A (nl) * 1974-01-16 1975-07-18 Ciba Geigy Tot in de hitte stabiele, opgeschuimde materia- len verwerkbare polyimiden bevattende mengsels.

Also Published As

Publication number Publication date
ES433806A1 (es) 1977-05-16
CA1041250A (en) 1978-10-24
AT337459B (de) 1977-07-11
DD116844A5 (es) 1975-12-12
DE2501110A1 (de) 1975-07-17
FR2257629B1 (es) 1976-12-31
BE824382A (fr) 1975-07-15
GB1496172A (en) 1977-12-30
DE2501110C2 (de) 1985-06-13
JPS50102661A (es) 1975-08-14
AU7732175A (en) 1976-07-15
ATA25975A (de) 1976-10-15
FR2257629A1 (es) 1975-08-08
NL7500120A (nl) 1975-07-18
US3947385A (en) 1976-03-30
JPS593485B2 (ja) 1984-01-24
ZA75284B (en) 1976-01-28

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