DE2452740A1 - Treibmittel auf der basis von harnstoffdicarbonsaeureanhydrid - Google Patents

Treibmittel auf der basis von harnstoffdicarbonsaeureanhydrid

Info

Publication number
DE2452740A1
DE2452740A1 DE19742452740 DE2452740A DE2452740A1 DE 2452740 A1 DE2452740 A1 DE 2452740A1 DE 19742452740 DE19742452740 DE 19742452740 DE 2452740 A DE2452740 A DE 2452740A DE 2452740 A1 DE2452740 A1 DE 2452740A1
Authority
DE
Germany
Prior art keywords
propellant
weight
urea
mixture
anhydride
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.)
Pending
Application number
DE19742452740
Other languages
German (de)
English (en)
Inventor
Hermann Dr Hagemann
Helmut Hurnik
Kurt Dr Ley
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Priority to DE19742452740 priority Critical patent/DE2452740A1/de
Priority to US05/616,523 priority patent/US4104195A/en
Priority to GB43312/75A priority patent/GB1524979A/en
Priority to SU752186359A priority patent/SU618050A3/ru
Priority to JP50132233A priority patent/JPS5169566A/ja
Priority to NL7512982A priority patent/NL7512982A/xx
Priority to BE161612A priority patent/BE835280A/xx
Priority to ES442403A priority patent/ES442403A1/es
Priority to SE7512445A priority patent/SE7512445L/xx
Priority to DD189303A priority patent/DD122992A5/xx
Priority to BR7507313*A priority patent/BR7507313A/pt
Priority to FR7534174A priority patent/FR2290465A1/fr
Publication of DE2452740A1 publication Critical patent/DE2452740A1/de
Priority to US05/889,063 priority patent/US4190710A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-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
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/05Use of one or more blowing agents together

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE19742452740 1974-11-07 1974-11-07 Treibmittel auf der basis von harnstoffdicarbonsaeureanhydrid Pending DE2452740A1 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
DE19742452740 DE2452740A1 (de) 1974-11-07 1974-11-07 Treibmittel auf der basis von harnstoffdicarbonsaeureanhydrid
US05/616,523 US4104195A (en) 1974-11-07 1975-09-25 Blowing agents based on urea dicarboxylic acid anhydride
GB43312/75A GB1524979A (en) 1974-11-07 1975-10-22 Blowing agents based on urea dicarboxylic acid anhydride
SU752186359A SU618050A3 (ru) 1974-11-07 1975-10-30 Композици дл получени пенопласта
JP50132233A JPS5169566A (en) 1974-11-07 1975-11-05 Bochozai
NL7512982A NL7512982A (nl) 1974-11-07 1975-11-05 Opblaasmiddel op basis van ureumdicarbonzuuran- hydride.
BE161612A BE835280A (fr) 1974-11-07 1975-11-05 Agents expanseurs a base d'anhydride d'acide uree-dicarboxylique
ES442403A ES442403A1 (es) 1974-11-07 1975-11-06 Procedimiento para la obtencion de articulos espumados de materiales sinteticos termoplasticos.
SE7512445A SE7512445L (sv) 1974-11-07 1975-11-06 Blasmedel pa basis av karbamid-dikarbonsyraanhydrid
DD189303A DD122992A5 (de) 1974-11-07 1975-11-06 Ydrid
BR7507313*A BR7507313A (pt) 1974-11-07 1975-11-06 Composicoes de expansao a base de anidrido do acido carbamidodicarboxilico e processo para a preparacao de objetos de espuma e a partir de materiais termoplasticos
FR7534174A FR2290465A1 (fr) 1974-11-07 1975-11-07 Agents expanseurs a base d'anhydride d'acide uree-dicarboxylique
US05/889,063 US4190710A (en) 1974-11-07 1978-03-22 Blowing agents based on urea dicarboxylic acid anhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742452740 DE2452740A1 (de) 1974-11-07 1974-11-07 Treibmittel auf der basis von harnstoffdicarbonsaeureanhydrid

Publications (1)

Publication Number Publication Date
DE2452740A1 true DE2452740A1 (de) 1976-05-13

Family

ID=5930201

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742452740 Pending DE2452740A1 (de) 1974-11-07 1974-11-07 Treibmittel auf der basis von harnstoffdicarbonsaeureanhydrid

Country Status (12)

Country Link
US (1) US4104195A (enExample)
JP (1) JPS5169566A (enExample)
BE (1) BE835280A (enExample)
BR (1) BR7507313A (enExample)
DD (1) DD122992A5 (enExample)
DE (1) DE2452740A1 (enExample)
ES (1) ES442403A1 (enExample)
FR (1) FR2290465A1 (enExample)
GB (1) GB1524979A (enExample)
NL (1) NL7512982A (enExample)
SE (1) SE7512445L (enExample)
SU (1) SU618050A3 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190710A (en) * 1974-11-07 1980-02-26 Bayer Aktiengesellschaft Blowing agents based on urea dicarboxylic acid anhydride
EP0007499B1 (de) * 1978-07-21 1982-11-10 Ciba-Geigy Ag Verfahren zum Verschäumen von Kunststoffen und die nach diesem Verfahren geschäumten Kunststoffe
GB8317799D0 (en) * 1983-06-30 1983-08-03 Fbc Ltd Blowing agent compositions
WO2000045736A1 (en) 1999-02-08 2000-08-10 Bioamide, Inc. Filamentary means for introducing agents into cells
US6884427B1 (en) * 1999-02-08 2005-04-26 Aderans Research Institute, Inc. Filamentary means for introducing agents into tissue of a living host
BR0113107A (pt) * 2000-08-08 2004-01-06 Bioamide Inc Armações para cabelo com manipulação tecidual
US20040068284A1 (en) * 2002-01-29 2004-04-08 Barrows Thomas H. Method for stimulating hair growth and kit for carrying out said method
US7597885B2 (en) * 2004-03-26 2009-10-06 Aderans Research Institute, Inc. Tissue engineered biomimetic hair follicle graft
AR050212A1 (es) * 2004-08-13 2006-10-04 Aderans Res Inst Inc Organogenesis a partir de celulas disociadas
WO2007062387A2 (en) * 2005-11-22 2007-05-31 Aderans Research Institute, Inc. Hair grafts derived from plucked hair
WO2007062386A2 (en) * 2005-11-22 2007-05-31 Aderans Research Institute, Inc. Hair follicle graft from tissue engineered skin
US7985537B2 (en) * 2007-06-12 2011-07-26 Aderans Research Institute, Inc. Methods for determining the hair follicle inductive properties of a composition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832744A (en) * 1954-07-14 1958-04-29 Olin Mathieson Blowing agent for cellular plastic materials
US3177164A (en) * 1963-01-18 1965-04-06 Sun Oil Co Process for foaming a mixture of asphalt and a copolymer of ethylene and vinyl acetate and product produced therefrom
US3743605A (en) * 1971-06-02 1973-07-03 Uniroyal Inc Dispersing aid-containing blowing agents for polymers and method of using the same

Also Published As

Publication number Publication date
BR7507313A (pt) 1976-08-03
NL7512982A (nl) 1976-05-11
ES442403A1 (es) 1977-04-16
FR2290465A1 (fr) 1976-06-04
FR2290465B1 (enExample) 1979-01-19
JPS5169566A (en) 1976-06-16
SE7512445L (sv) 1976-05-10
SU618050A3 (ru) 1978-07-30
DD122992A5 (de) 1976-11-12
US4104195A (en) 1978-08-01
BE835280A (fr) 1976-05-05
GB1524979A (en) 1978-09-13

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