CH575968A5 - - Google Patents

Info

Publication number
CH575968A5
CH575968A5 CH1629872A CH1629872A CH575968A5 CH 575968 A5 CH575968 A5 CH 575968A5 CH 1629872 A CH1629872 A CH 1629872A CH 1629872 A CH1629872 A CH 1629872A CH 575968 A5 CH575968 A5 CH 575968A5
Authority
CH
Switzerland
Application number
CH1629872A
Original Assignee
Nasa
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 Nasa filed Critical Nasa
Publication of CH575968A5 publication Critical patent/CH575968A5/xx

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
    • C08J9/0085—Use of fibrous compounding ingredients
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1825—Catalysts containing secondary or tertiary amines or salts thereof having hydroxy or primary amino groups
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3271—Hydroxyamines
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • 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
    • C08G73/1003—Preparatory processes
    • C08G73/1035—Preparatory processes from tetracarboxylic acids or derivatives and diisocyanates
    • 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
    • C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/10—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions 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 C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0016—Foam properties semi-rigid
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0025—Foam properties rigid
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0058—≥50 and <150kg/m3
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CH1629872A 1971-11-12 1972-11-09 CH575968A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19847271A 1971-11-12 1971-11-12

Publications (1)

Publication Number Publication Date
CH575968A5 true CH575968A5 (xx) 1976-05-31

Family

ID=22733524

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1629872A CH575968A5 (xx) 1971-11-12 1972-11-09

Country Status (8)

Country Link
US (1) US3772216A (xx)
JP (1) JPS4891200A (xx)
CA (1) CA976300A (xx)
CH (1) CH575968A5 (xx)
DE (1) DE2253753A1 (xx)
FR (1) FR2159463B1 (xx)
GB (1) GB1416187A (xx)
IT (1) IT970455B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5153234A (en) * 1990-07-12 1992-10-06 Lenzing Aktiengesellschaft Flame-retardant, high-temperature resistant foams of polyimides

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110274A (en) * 1977-10-17 1978-08-29 The Dow Chemical Company Method for making crosslinked resin foams from an ethylenically unsaturated dicarboxylic acid anhydride and a polyisocyanate
US4108810A (en) * 1977-10-17 1978-08-22 The Dow Chemical Company Method for making crosslinked resin foams from at least one dicarboxylic acid, at least one ethylenically unsaturated dicarboxylic acid anhydride and a polyisocyanate
US4177333A (en) * 1978-02-24 1979-12-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Catalysts for polyimide foams from aromatic isocyanates and aromatic dianhydrides
US4184021A (en) * 1978-10-31 1980-01-15 Nasa Ambient cure polyimide foams prepared from aromatic polyisocyanates, aromatic polycarboxylic compounds, furfuryl alcohol, and a strong inorganic acid
US4263410A (en) * 1980-02-19 1981-04-21 Rockwell International Corporation Ambient cure polyimide foam
US4454257A (en) * 1983-04-06 1984-06-12 The Dow Chemical Company Isocyanurate/imide cross-linked resins and foams
US4824874A (en) * 1986-09-09 1989-04-25 Hexcel Corporation Polyimide foam precursor and its use in reinforcing open-cell materials
GB8802672D0 (en) * 1988-02-05 1988-03-02 Ici Plc Polymeric materials
US4935452A (en) * 1989-06-30 1990-06-19 Sorrento Engineering, Inc. Method of improving foam fire resistance through the introduction of metal oxides thereinto
DE4401692A1 (de) * 1994-01-21 1995-07-27 Kulmbacher Klimageraete Wärmedämmung für ein Elektro-Speicherheizgerät
WO2004072032A2 (en) * 2003-02-11 2004-08-26 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Polyimide foams
CN102061003B (zh) * 2010-11-25 2012-06-27 中国科学院长春应用化学研究所 纤维增强聚酰亚胺泡沫复合材料的制备方法
US9598548B2 (en) 2012-08-09 2017-03-21 Basf Se Producing polymer foams comprising imide groups
JP2014077117A (ja) * 2012-09-21 2014-05-01 Dow Corning Toray Co Ltd 高屈折性表面処理剤、それを用いて表面処理された微細部材および光学材料
CN103788649B (zh) * 2013-12-20 2016-11-16 苏州市万泰真空炉研究所有限公司 一种高强度硬质聚酰亚胺泡沫塑料的制备方法
CN105175724A (zh) * 2015-11-02 2015-12-23 哈尔滨工程大学 超低密度聚酰亚胺多孔材料的一步法制备方法
CN106146840B (zh) * 2016-07-06 2019-02-01 北京市射线应用研究中心 一种聚酰亚胺泡沫材料及其制备方法
RU2707601C1 (ru) * 2019-02-05 2019-11-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный технологический институт (технический университет)" Способ получения газонаполненных полиакрилимидов
WO2021092100A1 (en) * 2019-11-08 2021-05-14 Stepan Company Imide-containing polyester polyols and intumescent rigid foams
WO2023247391A1 (en) 2022-06-22 2023-12-28 Huntsman International Llc Flexible and semi-rigid polyimide comprising foams with superior heat resistance

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644234A (en) * 1969-01-27 1972-02-22 Upjohn Co Method of preparing cellular polymers from organic polyisocyanates and polycarboxylic acid compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5153234A (en) * 1990-07-12 1992-10-06 Lenzing Aktiengesellschaft Flame-retardant, high-temperature resistant foams of polyimides

Also Published As

Publication number Publication date
CA976300A (en) 1975-10-14
DE2253753A1 (de) 1973-05-17
FR2159463A1 (xx) 1973-06-22
GB1416187A (en) 1975-12-03
FR2159463B1 (xx) 1979-03-16
US3772216A (en) 1973-11-13
JPS4891200A (xx) 1973-11-27
IT970455B (it) 1974-04-10

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Legal Events

Date Code Title Description
PL Patent ceased