GB1352563A - Process for the production of foams based on maleic acid half ester copolymers - Google Patents

Process for the production of foams based on maleic acid half ester copolymers

Info

Publication number
GB1352563A
GB1352563A GB1072671A GB1072671A GB1352563A GB 1352563 A GB1352563 A GB 1352563A GB 1072671 A GB1072671 A GB 1072671A GB 1072671 A GB1072671 A GB 1072671A GB 1352563 A GB1352563 A GB 1352563A
Authority
GB
United Kingdom
Prior art keywords
copolymer
copolymers
ester
granulates
foamed
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
GB1072671A
Other languages
English (en)
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.)
Bayer AG
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 DE19702020301 external-priority patent/DE2020301A1/de
Priority claimed from DE19702056358 external-priority patent/DE2056358A1/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1352563A publication Critical patent/GB1352563A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16Making expandable particles
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2335/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Derivatives of such polymers
    • C08J2335/02Characterised by the use of homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2357/00Characterised by the use of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C08J2357/06Homopolymers or copolymers containing elements other than carbon and hydrogen
    • C08J2357/10Homopolymers or copolymers containing elements other than carbon and hydrogen containing oxygen atoms

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)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
GB1072671A 1970-04-25 1971-04-22 Process for the production of foams based on maleic acid half ester copolymers Expired GB1352563A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702020301 DE2020301A1 (de) 1970-04-25 1970-04-25 Verfahren zur Herstellung von Schaumstoffen
DE19702056358 DE2056358A1 (en) 1970-11-17 1970-11-17 Moulded cellular materials

Publications (1)

Publication Number Publication Date
GB1352563A true GB1352563A (en) 1974-05-08

Family

ID=25759025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1072671A Expired GB1352563A (en) 1970-04-25 1971-04-22 Process for the production of foams based on maleic acid half ester copolymers

Country Status (5)

Country Link
BE (1) BE766200A (https=)
FR (1) FR2090679A5 (https=)
GB (1) GB1352563A (https=)
NL (1) NL7105401A (https=)
SE (1) SE365225B (https=)

Also Published As

Publication number Publication date
BE766200A (fr) 1971-09-16
NL7105401A (https=) 1971-10-27
FR2090679A5 (https=) 1972-01-14
SE365225B (https=) 1974-03-18

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees