CA1002698A - Preparation of rigid cellular foam with increased closed cell content - Google Patents

Preparation of rigid cellular foam with increased closed cell content

Info

Publication number
CA1002698A
CA1002698A CA147,358A CA147358A CA1002698A CA 1002698 A CA1002698 A CA 1002698A CA 147358 A CA147358 A CA 147358A CA 1002698 A CA1002698 A CA 1002698A
Authority
CA
Canada
Prior art keywords
preparation
closed cell
cell content
cellular foam
rigid cellular
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.)
Expired
Application number
CA147,358A
Other versions
CA147358S (en
Inventor
Moses Cenker
John T. Patton (Jr.)
Peter T. Kan
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.)
BASF Corp
Original Assignee
BASF Wyandotte Corp
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 BASF Wyandotte Corp filed Critical BASF Wyandotte Corp
Application granted granted Critical
Publication of CA1002698A publication Critical patent/CA1002698A/en
Expired legal-status Critical Current

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
    • 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
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • C08G18/025—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing carbodiimide groups
    • 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
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00

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)
CA147,358A 1971-08-05 1972-07-18 Preparation of rigid cellular foam with increased closed cell content Expired CA1002698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16952671A 1971-08-05 1971-08-05

Publications (1)

Publication Number Publication Date
CA1002698A true CA1002698A (en) 1976-12-28

Family

ID=22616071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,358A Expired CA1002698A (en) 1971-08-05 1972-07-18 Preparation of rigid cellular foam with increased closed cell content

Country Status (10)

Country Link
JP (1) JPS505240B2 (en)
AU (1) AU453371B2 (en)
BE (1) BE786676A (en)
CA (1) CA1002698A (en)
DE (1) DE2236708A1 (en)
FR (1) FR2148035B1 (en)
GB (1) GB1377799A (en)
IT (1) IT961639B (en)
NL (1) NL7210157A (en)
ZA (1) ZA724185B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104246U (en) * 1974-01-30 1975-08-27
FR2331435A1 (en) * 1975-11-17 1977-06-10 Roth Sa Freres Cellular polycarbodiimide article prodn. - by heating cellular polycarbodiimide plate in mould-punch assembly, compressing softened plate, cooling before demoulding
FR2447802A1 (en) * 1979-01-30 1980-08-29 Roth Sa Freres PROCESS FOR MANUFACTURING A SOUND ABSORBING MATERIAL AND MATERIAL THUS OBTAINED
JPS55160628A (en) * 1979-05-31 1980-12-13 Koito Mfg Co Ltd Automobile headlamp
JP2769852B2 (en) * 1989-05-02 1998-06-25 日清紡績株式会社 High molecular weight polycarbodiimide solution and method for producing the same

Also Published As

Publication number Publication date
BE786676A (en) 1973-01-25
FR2148035B1 (en) 1977-12-30
AU4379472A (en) 1974-01-03
JPS4825795A (en) 1973-04-04
DE2236708A1 (en) 1973-02-22
GB1377799A (en) 1974-12-18
IT961639B (en) 1973-12-10
AU453371B2 (en) 1974-09-13
ZA724185B (en) 1973-03-28
JPS505240B2 (en) 1975-03-01
FR2148035A1 (en) 1973-03-11
NL7210157A (en) 1973-02-07

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