BR7502393A - Agente expansor aperfeicoado - Google Patents

Agente expansor aperfeicoado

Info

Publication number
BR7502393A
BR7502393A BR7503047A BR7503047A BR7502393A BR 7502393 A BR7502393 A BR 7502393A BR 7503047 A BR7503047 A BR 7503047A BR 7503047 A BR7503047 A BR 7503047A BR 7502393 A BR7502393 A BR 7502393A
Authority
BR
Brazil
Prior art keywords
perfected
expanding agent
expanding
agent
perfected expanding
Prior art date
Application number
BR7503047A
Other languages
English (en)
Portuguese (pt)
Inventor
J Burt
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BR7502393A publication Critical patent/BR7502393A/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
    • 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)
BR7503047A 1974-04-19 1975-04-18 Agente expansor aperfeicoado BR7502393A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46239374A 1974-04-19 1974-04-19

Publications (1)

Publication Number Publication Date
BR7502393A true BR7502393A (pt) 1976-03-09

Family

ID=23836283

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7503047A BR7502393A (pt) 1974-04-19 1975-04-18 Agente expansor aperfeicoado

Country Status (9)

Country Link
JP (1) JPS5217879B2 (enExample)
AR (1) AR202505A1 (enExample)
AU (1) AU8028675A (enExample)
BE (1) BE828132A (enExample)
BR (1) BR7502393A (enExample)
DE (1) DE2517272A1 (enExample)
FR (1) FR2268045A1 (enExample)
IT (1) IT1038010B (enExample)
NL (1) NL7504660A (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1470730A (fr) * 1965-03-05 1967-02-24 Allied Chem Polyuréthanes de faible densité et leur procédé de préparation
DE2057535A1 (de) * 1969-12-03 1972-06-08 Cincinnati Milacron Inc Verfahren zur Herstellung von gleichmaessigen,von Oberflaechenhohlraeumen praktisch freien Polyurethanformkoerpern
US3770668A (en) * 1970-10-29 1973-11-06 Dow Chemical Co Styrene polymer foam and the preparation thereof

Also Published As

Publication number Publication date
DE2517272A1 (de) 1975-10-23
IT1038010B (it) 1979-11-20
JPS5217879B2 (enExample) 1977-05-18
FR2268045B1 (enExample) 1978-02-24
AU8028675A (en) 1976-10-21
AR202505A1 (es) 1975-06-13
JPS50145496A (enExample) 1975-11-21
NL7504660A (nl) 1975-10-21
FR2268045A1 (en) 1975-11-14
BE828132A (fr) 1975-10-20

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