ZA704884B - A process for making improved urea/formaldehyde foams - Google Patents

A process for making improved urea/formaldehyde foams

Info

Publication number
ZA704884B
ZA704884B ZA704884A ZA704884A ZA704884B ZA 704884 B ZA704884 B ZA 704884B ZA 704884 A ZA704884 A ZA 704884A ZA 704884 A ZA704884 A ZA 704884A ZA 704884 B ZA704884 B ZA 704884B
Authority
ZA
South Africa
Prior art keywords
making improved
formaldehyde foams
improved urea
urea
foams
Prior art date
Application number
ZA704884A
Inventor
D Ogden
Original Assignee
British Industrial Plastics
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 British Industrial Plastics filed Critical British Industrial Plastics
Publication of ZA704884B publication Critical patent/ZA704884B/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
    • C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • B29B7/7419—Mixing devices specially adapted for foamable substances with supply of gas with static or injector mixer elements
    • 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
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08J2361/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08J2361/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea

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)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
ZA704884A 1969-07-17 1970-07-16 A process for making improved urea/formaldehyde foams ZA704884B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3606969 1969-07-17

Publications (1)

Publication Number Publication Date
ZA704884B true ZA704884B (en) 1971-04-28

Family

ID=10384606

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA704884A ZA704884B (en) 1969-07-17 1970-07-16 A process for making improved urea/formaldehyde foams

Country Status (16)

Country Link
JP (1) JPS4833990B1 (en)
AT (1) AT315505B (en)
BE (1) BE753516A (en)
CH (1) CH535272A (en)
CS (1) CS162725B2 (en)
DE (1) DE2035595B2 (en)
DK (1) DK135952B (en)
ES (1) ES381943A1 (en)
FR (1) FR2102406A5 (en)
GB (1) GB1313103A (en)
IE (1) IE34363B1 (en)
IL (1) IL34855A (en)
NL (1) NL7010325A (en)
SE (1) SE375106B (en)
TR (1) TR16868A (en)
ZA (1) ZA704884B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1449824A (en) * 1973-03-23 1976-09-15 British Ind Plastics Ld Vehicle retardation
DE2440792C3 (en) * 1973-03-29 1981-05-07 Wilmsen, Jörg Michael, 4300 Essen Device for the continuous production of homogeneous, fine-pored synthetic resin foams on an aqueous or aqueous alcoholic basis
GB1582445A (en) * 1976-04-10 1981-01-07 British Industrial Plastics Urea-formaldehyde resin foams and apparatus for their production
DE2752311C3 (en) * 1977-11-23 1982-05-13 Irkutskij gosudarstvennyj naučno-issledovatel'skij institut redkich i cvetnych metallov (IRGIREDMET), Irkutsk Process for the production of foam and device for carrying out the process
CN111298321B (en) * 2020-03-25 2023-04-25 应急管理部天津消防研究所 Method and equipment for rapidly foaming and blocking treatment of leaked liquid on site

Also Published As

Publication number Publication date
IL34855A0 (en) 1970-09-17
DE2035595A1 (en) 1972-01-05
DE2035595B2 (en) 1978-11-23
IE34363L (en) 1971-01-17
JPS4833990B1 (en) 1973-10-18
BE753516A (en) 1970-12-16
ES381943A1 (en) 1972-12-01
AT315505B (en) 1974-05-27
CS162725B2 (en) 1975-07-15
TR16868A (en) 1973-09-01
DK135952B (en) 1977-07-18
SE375106B (en) 1975-04-07
IL34855A (en) 1974-01-14
IE34363B1 (en) 1975-04-16
CH535272A (en) 1973-03-31
FR2102406A5 (en) 1972-04-07
NL7010325A (en) 1971-01-19
DK135952C (en) 1977-12-19
GB1313103A (en) 1973-04-11

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