PT87994A - Processo para a preparacao de uma composicao e de um agente de expansao para se obter um plastico expandido - Google Patents

Processo para a preparacao de uma composicao e de um agente de expansao para se obter um plastico expandido

Info

Publication number
PT87994A
PT87994A PT87994A PT8799488A PT87994A PT 87994 A PT87994 A PT 87994A PT 87994 A PT87994 A PT 87994A PT 8799488 A PT8799488 A PT 8799488A PT 87994 A PT87994 A PT 87994A
Authority
PT
Portugal
Prior art keywords
preparation
composition
order
extracting agent
expanded plastic
Prior art date
Application number
PT87994A
Other languages
English (en)
Other versions
PT87994B (pt
Original Assignee
Hans Joergen Destergaard
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
Priority claimed from DK370187A external-priority patent/DK370187D0/da
Priority claimed from DK682887A external-priority patent/DK682887D0/da
Application filed by Hans Joergen Destergaard filed Critical Hans Joergen Destergaard
Publication of PT87994A publication Critical patent/PT87994A/pt
Publication of PT87994B publication Critical patent/PT87994B/pt

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
    • C08J9/16—Making expandable particles
    • C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
PT87994A 1987-07-16 1988-07-15 Processo para a preparacao de uma composicao e de um agente de expansao para se obter um plastico expandido PT87994B (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK370187A DK370187D0 (da) 1987-07-16 1987-07-16 Fremgangsmaade ved opskumning af plastmaterialer ogdrivmiddel til anvendelse herved
DK682887A DK682887D0 (da) 1987-12-23 1987-12-23 Fremgangsmaade ved opskumning af plastmaterialer og drivmiddel til anvendelse herved

Publications (2)

Publication Number Publication Date
PT87994A true PT87994A (pt) 1989-06-30
PT87994B PT87994B (pt) 1995-03-01

Family

ID=26067184

Family Applications (1)

Application Number Title Priority Date Filing Date
PT87994A PT87994B (pt) 1987-07-16 1988-07-15 Processo para a preparacao de uma composicao e de um agente de expansao para se obter um plastico expandido

Country Status (18)

Country Link
US (1) US4966921A (pt)
EP (1) EP0367798A1 (pt)
JP (1) JPH03500546A (pt)
KR (1) KR890701670A (pt)
CN (1) CN1013679B (pt)
AR (1) AR243211A1 (pt)
BR (1) BR8807612A (pt)
CA (1) CA1318455C (pt)
FI (1) FI900228A0 (pt)
GB (1) GB2232161B (pt)
HU (1) HU207112B (pt)
IL (1) IL87084A (pt)
NZ (1) NZ225403A (pt)
OA (1) OA09437A (pt)
PL (1) PL161008B1 (pt)
PT (1) PT87994B (pt)
RO (1) RO107663B1 (pt)
WO (1) WO1989000594A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407023A3 (en) * 1989-06-12 1991-03-13 The Dow Chemical Company A process for preparing flexible polyurethane foam using 1,1,1-trichloroethane as a blowing agent
IT8941007A0 (it) * 1989-09-29 1989-09-29 Montedipe Srl Procedimento per la preparazione dicorpi formati in schiume poliureta niche e corpi formati cosi ottenuti
GB2237024A (en) * 1989-10-18 1991-04-24 British Vita Flexible polyurethane foam
DK635289D0 (da) * 1989-12-14 1989-12-14 Hans Joergen Oestergaard Fremgangsmaade ved opskumning af plastmaterialer og drivmiddel til anvendelse herved
DK674489D0 (da) * 1989-12-29 1989-12-29 Jysk Teknologisk Varmeisolerende skumplastmateriale, fremgangsmaade til fremstilling deraf samt opskumningsmiddel til anvendelse ved fremgangsmaaden
US5124366A (en) * 1990-11-05 1992-06-23 The Celotex Corporation Polyisocyanurate foams made with polyester polyols and chlorodifluoromethane as a blowing agent
DE4210404C2 (de) * 1991-04-01 1999-08-26 Toyoda Gosei Kk Urethanschaum-Formmasse
WO1997048756A1 (en) * 1996-06-21 1997-12-24 Gn/Pi Di Luigi Granieri E Figli S.N.C. Ecological foaming agent for polyurethane resins, particulary for the production of rigid foamed parts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1930077A1 (de) * 1969-06-13 1970-12-17 Linde Ag Kaeltemittel/Loesungsmittel-Gemisch fuer Absorptions-Kaelteanlagen
JPS551925B2 (pt) * 1973-06-26 1980-01-17
JPS5386688A (en) * 1977-01-12 1978-07-31 Toyo Eazooru Kougiyou Kk Azeotropic composition
DE2815579A1 (de) * 1978-04-11 1979-10-25 Basf Ag Verfahren zur herstellung von polyurethan-weichschaumstoffen
SE7903957L (sv) * 1978-05-08 1979-11-09 Scholten Bent Henrik Niels Von Monokomponent polyuretanskum
JPS5565214A (en) * 1978-11-10 1980-05-16 Bridgestone Corp Preparation of flame-resistant polyisocyanurate foam

Also Published As

Publication number Publication date
BR8807612A (pt) 1990-05-29
PT87994B (pt) 1995-03-01
CN1013679B (zh) 1991-08-28
IL87084A0 (en) 1988-12-30
RO107663B1 (ro) 1993-12-30
IL87084A (en) 1992-03-29
GB9000122D0 (en) 1990-05-23
NZ225403A (en) 1991-06-25
HU207112B (en) 1993-03-01
WO1989000594A1 (en) 1989-01-26
JPH03500546A (ja) 1991-02-07
HUT52799A (en) 1990-08-28
EP0367798A1 (en) 1990-05-16
GB2232161B (en) 1992-02-26
AR243211A1 (es) 1993-07-30
PL161008B1 (pl) 1993-05-31
KR890701670A (ko) 1989-12-21
CA1318455C (en) 1993-05-25
US4966921A (en) 1990-10-30
PL273751A1 (en) 1989-04-03
GB2232161A (en) 1990-12-05
OA09437A (en) 1992-10-15
FI900228A0 (fi) 1990-01-16
CN1033819A (zh) 1989-07-12

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19940817

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19960229