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CH528571A - Process for swelling foams with irreversible fixation of the state of swelling - Google Patents

Process for swelling foams with irreversible fixation of the state of swelling

Info

Publication number
CH528571A
CH528571A CH173670A CH173670A CH528571A CH 528571 A CH528571 A CH 528571A CH 173670 A CH173670 A CH 173670A CH 173670 A CH173670 A CH 173670A CH 528571 A CH528571 A CH 528571A
Authority
CH
Switzerland
Prior art keywords
swelling
state
foams
irreversible fixation
irreversible
Prior art date
Application number
CH173670A
Other languages
German (de)
Inventor
Kuno Dr Wagner
Original Assignee
Bayer Ag
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 DE19691911645 external-priority patent/DE1911645C3/en
Priority claimed from DE19691911643 external-priority patent/DE1911643C3/en
Priority claimed from DE19691953347 external-priority patent/DE1953347C3/en
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of CH528571A publication Critical patent/CH528571A/en

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
    • C08J9/36—After-treatment
    • C08J9/40—Impregnation
    • 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
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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)
CH173670A 1969-03-07 1970-02-06 Process for swelling foams with irreversible fixation of the state of swelling CH528571A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19691911645 DE1911645C3 (en) 1969-03-07 Process for the production of polyurethane foams
DE19691911644 DE1911644C3 (en) 1969-03-07 Process for modifying foams
DE19691911643 DE1911643C3 (en) 1969-03-07 1969-03-07 Process for modifying polyurethane foams
DE19691953347 DE1953347C3 (en) 1969-10-23 1969-10-23 Process for modifying open-cell polyurethane foams

Publications (1)

Publication Number Publication Date
CH528571A true CH528571A (en) 1972-09-30

Family

ID=27430859

Family Applications (1)

Application Number Title Priority Date Filing Date
CH173670A CH528571A (en) 1969-03-07 1970-02-06 Process for swelling foams with irreversible fixation of the state of swelling

Country Status (7)

Country Link
AT (1) AT311677B (en)
CH (1) CH528571A (en)
FR (1) FR2037780A5 (en)
GB (1) GB1308468A (en)
NL (1) NL7003259A (en)
NO (1) NO134621C (en)
SE (1) SE368020B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578406A (en) * 1984-12-20 1986-03-25 Scotfoam Corporation Conductive polyurethane foam and process of contacting a polyurethane foam with a mixture of swelling agent and chemical additive
DE4439328A1 (en) * 1994-11-04 1996-05-09 Bayer Ag Insulating body
AU2014101211B4 (en) * 2013-05-09 2015-01-29 Acoustic Space Pty Ltd A sound insulating sheet material with a cellular structure including gelatine and/or a process for producing the same
EP2994581B1 (en) * 2013-05-09 2019-03-13 Acoustic Space Pty Ltd A sound insulating sheet material with a cellular structure including gelatine and/or a process for producing the same
CN116253951B (en) * 2023-02-20 2023-09-29 江苏骅腾电力科技有限公司 Flame-retardant polypropylene plastic

Also Published As

Publication number Publication date
FR2037780A5 (en) 1970-12-31
SE368020B (en) 1974-06-17
NL7003259A (en) 1970-09-09
NO134621B (en) 1976-08-09
AT311677B (en) 1973-11-26
GB1308468A (en) 1973-02-21
NO134621C (en) 1976-11-17

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Legal Events

Date Code Title Description
PL Patent ceased