DD297422A5 - Verfahren zur herstellung von flexiblem polymethanschaum unter verwendung von 1,1,1-trichlorethan als baehmittel - Google Patents

Verfahren zur herstellung von flexiblem polymethanschaum unter verwendung von 1,1,1-trichlorethan als baehmittel Download PDF

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Publication number
DD297422A5
DD297422A5 DD90341526A DD34152690A DD297422A5 DD 297422 A5 DD297422 A5 DD 297422A5 DD 90341526 A DD90341526 A DD 90341526A DD 34152690 A DD34152690 A DD 34152690A DD 297422 A5 DD297422 A5 DD 297422A5
Authority
DD
German Democratic Republic
Prior art keywords
blowing agent
weight
foam
trichloroethane
volatile blowing
Prior art date
Application number
DD90341526A
Other languages
German (de)
English (en)
Inventor
Donald B Parrish
Raymond E Thomas
Lenore F Oswald
Original Assignee
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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 ����@�����@�����@����k�� filed Critical ����@�����@�����@����k��
Publication of DD297422A5 publication Critical patent/DD297422A5/de

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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
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • C08J9/145—Halogen containing compounds containing carbon, halogen and hydrogen only only chlorine as halogen atoms
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/06—Solids
    • A61M2202/064—Powder
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DD90341526A 1989-06-12 1990-06-11 Verfahren zur herstellung von flexiblem polymethanschaum unter verwendung von 1,1,1-trichlorethan als baehmittel DD297422A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36493089A 1989-06-12 1989-06-12

Publications (1)

Publication Number Publication Date
DD297422A5 true DD297422A5 (de) 1992-01-09

Family

ID=23436737

Family Applications (1)

Application Number Title Priority Date Filing Date
DD90341526A DD297422A5 (de) 1989-06-12 1990-06-11 Verfahren zur herstellung von flexiblem polymethanschaum unter verwendung von 1,1,1-trichlorethan als baehmittel

Country Status (13)

Country Link
EP (1) EP0407023A3 (pt)
JP (1) JPH0335034A (pt)
KR (1) KR910000842A (pt)
CN (1) CN1048048A (pt)
AU (1) AU633101B2 (pt)
BR (1) BR9002752A (pt)
CA (1) CA2018727A1 (pt)
DD (1) DD297422A5 (pt)
FI (1) FI902902A0 (pt)
HU (1) HUT55422A (pt)
NO (1) NO902578L (pt)
PL (1) PL285582A1 (pt)
PT (1) PT94334A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001164A (en) * 1988-08-19 1991-03-19 The Dow Chemical Company Polyurethane foam prepared with reduced levels of hard halocarbon blowing agents
US5120771A (en) * 1989-09-13 1992-06-09 Hickory Springs Manufacturing Co. Process for the production of polyurethane foam

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1001465A (en) * 1963-03-27 1965-08-18 Ici Ltd Improvements in or relating to the manufacture of foamed polyurethanes
GB1106581A (en) * 1966-08-16 1968-03-20 Kanegafuchi Chemical Ind Improvements in and relating to expandable thermoplastic synthetic resin
AU621551B2 (en) * 1987-07-16 1992-03-19 Hans Jorgen Ostergaard A method, a compound, and a blowing agent for making plastic foam
IL87084A (en) * 1987-07-16 1992-03-29 Ostergaard Hans Horgen Method,compound and blowing agent for making plastic foam
US4742089A (en) * 1987-08-12 1988-05-03 Hitachi, Ltd. Rigid polyurethane foam and process for producing the same
US4996242A (en) * 1989-05-22 1991-02-26 The Dow Chemical Company Polyurethane foams manufactured with mixed gas/liquid blowing agents

Also Published As

Publication number Publication date
AU5696990A (en) 1990-12-13
HU903796D0 (en) 1990-11-28
HUT55422A (en) 1991-05-28
EP0407023A3 (en) 1991-03-13
JPH0335034A (ja) 1991-02-15
PT94334A (pt) 1991-02-08
KR910000842A (ko) 1991-01-30
CA2018727A1 (en) 1990-12-12
EP0407023A2 (en) 1991-01-09
CN1048048A (zh) 1990-12-26
NO902578D0 (no) 1990-06-11
BR9002752A (pt) 1991-08-20
PL285582A1 (en) 1991-02-25
NO902578L (no) 1990-12-13
AU633101B2 (en) 1993-01-21
FI902902A0 (fi) 1990-06-11

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Legal Events

Date Code Title Description
ENJ Ceased due to non-payment of renewal fee