GB1163708A - Epoxy Cellular Plastics and a Process for Preparing Them - Google Patents

Epoxy Cellular Plastics and a Process for Preparing Them

Info

Publication number
GB1163708A
GB1163708A GB1175668A GB1175668A GB1163708A GB 1163708 A GB1163708 A GB 1163708A GB 1175668 A GB1175668 A GB 1175668A GB 1175668 A GB1175668 A GB 1175668A GB 1163708 A GB1163708 A GB 1163708A
Authority
GB
United Kingdom
Prior art keywords
epoxy resin
march
added
blowing agent
complex
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
GB1175668A
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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
Application filed by Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of GB1163708A publication Critical patent/GB1163708A/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
    • 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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/62—Alcohols or phenols
    • 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
    • C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Epoxy Resins (AREA)

Abstract

1,163,708. Epoxy resin foams. FARBWERKE HOECHST A.G. 11 March, 1968 [10 March, 1967], No. 11756/68. Headings C3B and C3C. A cellular epoxy resin is obtained by polymerizing an epoxy resin in the presence of a blowing agent, a catalyst comprising a Lewis acid or complex thereof and a bis-secondary alcohol of the formula in which each R 1 -R 10 is hydrogen, alkyl or halogen. An auxiliary liquid may be added to help dissolve the hydroxy compound, this may be an ether, alcohol, halohydrocarbon, ketone or ester. Preferred epoxy compounds are reaction products of bisphenol A with epichlorhydrin which may be mixed with a cyclic ether or acetal. The blowing agent is CFCl 3 , CHFCl 2 , CH 2 Cl 2 or CCl 2 F.CClF 2 . A silicone oil may be added as pore regulator. The catalyst used in the examples is BF 3 -o-chloroaniline complex.
GB1175668A 1967-03-10 1968-03-11 Epoxy Cellular Plastics and a Process for Preparing Them Expired GB1163708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0051786 1967-03-10

Publications (1)

Publication Number Publication Date
GB1163708A true GB1163708A (en) 1969-09-10

Family

ID=7104902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1175668A Expired GB1163708A (en) 1967-03-10 1968-03-11 Epoxy Cellular Plastics and a Process for Preparing Them

Country Status (10)

Country Link
AT (1) AT281433B (en)
BE (1) BE711996A (en)
CH (1) CH490451A (en)
DE (1) DE1720631A1 (en)
DK (1) DK124956B (en)
ES (1) ES351313A1 (en)
FR (1) FR1571389A (en)
GB (1) GB1163708A (en)
NL (1) NL6802812A (en)
SE (1) SE350061B (en)

Also Published As

Publication number Publication date
BE711996A (en) 1968-09-11
DK124956B (en) 1972-12-11
DE1720631A1 (en) 1971-07-01
NL6802812A (en) 1968-09-11
SE350061B (en) 1972-10-16
CH490451A (en) 1970-05-15
FR1571389A (en) 1969-06-20
ES351313A1 (en) 1969-12-01
AT281433B (en) 1970-05-25

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Legal Events

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