BR7905690A - Processo para formacao de espumas de polietileno - Google Patents

Processo para formacao de espumas de polietileno

Info

Publication number
BR7905690A
BR7905690A BR7905690A BR7905690A BR7905690A BR 7905690 A BR7905690 A BR 7905690A BR 7905690 A BR7905690 A BR 7905690A BR 7905690 A BR7905690 A BR 7905690A BR 7905690 A BR7905690 A BR 7905690A
Authority
BR
Brazil
Prior art keywords
forming process
polyethylene foam
foam forming
polyethylene
forming
Prior art date
Application number
BR7905690A
Other languages
English (en)
Inventor
A Taylor
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR7905690A publication Critical patent/BR7905690A/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
    • C08J9/04—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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
BR7905690A 1978-09-05 1979-09-04 Processo para formacao de espumas de polietileno BR7905690A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US93950778A 1978-09-05 1978-09-05

Publications (1)

Publication Number Publication Date
BR7905690A true BR7905690A (pt) 1980-05-27

Family

ID=25473292

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7905690A BR7905690A (pt) 1978-09-05 1979-09-04 Processo para formacao de espumas de polietileno

Country Status (4)

Country Link
EP (1) EP0008836A1 (pt)
JP (1) JPS5562936A (pt)
AU (1) AU5034579A (pt)
BR (1) BR7905690A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5740533A (en) * 1980-08-22 1982-03-06 Daikin Ind Ltd Foaming agent for polyurethane
US5120481A (en) * 1989-02-28 1992-06-09 U.C. Industries, Inc. Process for preparing extruded foam bodies

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3327031A (en) * 1964-01-22 1967-06-20 Du Pont Process for the extrusion of improved closed-cell foams
JPS5334226B2 (pt) * 1972-11-18 1978-09-19
JPS524566A (en) * 1975-07-01 1977-01-13 Asahi Dow Ltd Thermoplastic resin foam
JPS5215560A (en) * 1975-07-28 1977-02-05 Asahi Dow Ltd Process for producing thermoplastic resin foam

Also Published As

Publication number Publication date
AU5034579A (en) 1980-03-13
JPS5562936A (en) 1980-05-12
EP0008836A1 (en) 1980-03-19

Similar Documents

Publication Publication Date Title
BR7906368A (pt) Processo para a preparacao de furanil-benzazois
BR7901687A (pt) Processo para sintese de amoniaco
BR7906947A (pt) Processo para a preparacao de n-fosfono-metil-glicina
BR7908111A (pt) Processo para preparacao de benzimidazo-lilbenzofuranos
BR7900488A (pt) Processo para preparacao de oligoimidas
MX158017A (es) Metodo mejorado para formar articulos de vidrio
BR7704453A (pt) Processo para a transformacao de organossiloxanas
BR7901469A (pt) Processo para a formacao,de nitrodiarilaminas
BR7905476A (pt) Processo para a preparacao de 4-fluor-3-fenoxi-tolueno
BR7904035A (pt) Processo para preparacao do o-metalloxifenol
BR7802559A (pt) Processo para preparacao de espumas formofenolicas
MX152572A (es) Procedimiento mejorado para producir polietileno
BR7904731A (pt) Processo para a preparacao de aldeidos
BR8008028A (pt) Processo para desidrocopulacao de tolueno
BR7902711A (pt) Processo para a preparacao de uretanas
BR8003734A (pt) Processo de hidroformilacao de olefina
BR7904115A (pt) Processo para flotacao com espuma
BR7903427A (pt) Processo para preparacao de alfa-cloroacetoacetamidas
BR7903635A (pt) Processo para a preparacao de 2-oximinofenilacetonitrila processo para a preparacao de 2-oximinofenilacetonitrila
BR7905690A (pt) Processo para formacao de espumas de polietileno
BR7903510A (pt) Processo para preparacao de isocianatos
BR7907402A (pt) Processo para a preparacao de 3-fenoxi-benzaldeidos
BR8004850A (pt) Processo para conversao de tolueno
BR7901258A (pt) Processo para fabricacao de silico-aluminatos sinteticos
BR7907121A (pt) Processo para a preparacao de azocorantes