DK135952B - Fremgangsmåde ved kontinuerlig fremstilling af urinstof-formaldehydharpiks. - Google Patents

Fremgangsmåde ved kontinuerlig fremstilling af urinstof-formaldehydharpiks.

Info

Publication number
DK135952B
DK135952B DK368970AA DK368970A DK135952B DK 135952 B DK135952 B DK 135952B DK 368970A A DK368970A A DK 368970AA DK 368970 A DK368970 A DK 368970A DK 135952 B DK135952 B DK 135952B
Authority
DK
Denmark
Prior art keywords
urea
continuous production
formaldehyde resin
formaldehyde
resin
Prior art date
Application number
DK368970AA
Other languages
English (en)
Other versions
DK135952C (da
Inventor
Dennis Henry 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 DK135952B publication Critical patent/DK135952B/da
Application granted granted Critical
Publication of DK135952C publication Critical patent/DK135952C/da

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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (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)
DK368970AA 1969-07-17 1970-07-16 Fremgangsmåde ved kontinuerlig fremstilling af urinstof-formaldehydharpiks. DK135952B (da)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK135952B true DK135952B (da) 1977-07-18
DK135952C DK135952C (da) 1977-12-19

Family

ID=10384606

Family Applications (1)

Application Number Title Priority Date Filing Date
DK368970AA DK135952B (da) 1969-07-17 1970-07-16 Fremgangsmåde ved kontinuerlig fremstilling af urinstof-formaldehydharpiks.

Country Status (16)

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

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 (de) * 1973-03-29 1981-05-07 Wilmsen, Jörg Michael, 4300 Essen Vorrichtung zur kontinuierlichen Herstellung homogener, feinporiger Kunstharzschäume auf wäßriger bzw. wäßrigalkoholischer Basis
GB1582445A (en) * 1976-04-10 1981-01-07 British Industrial Plastics Urea-formaldehyde resin foams and apparatus for their production
DE2752311C3 (de) * 1977-11-23 1982-05-13 Irkutskij gosudarstvennyj naučno-issledovatel'skij institut redkich i cvetnych metallov (IRGIREDMET), Irkutsk Verfahren zur Herstellung von Schaumstoff und Vorrichtung zur Durchführung des Verfahrens
CN111298321B (zh) * 2020-03-25 2023-04-25 应急管理部天津消防研究所 一种现场快速发泡围堵处置泄漏液体的方法及设备

Also Published As

Publication number Publication date
NL7010325A (da) 1971-01-19
IE34363L (en) 1971-01-17
ZA704884B (en) 1971-04-28
DE2035595A1 (de) 1972-01-05
GB1313103A (en) 1973-04-11
AT315505B (de) 1974-05-27
DE2035595B2 (de) 1978-11-23
IL34855A0 (en) 1970-09-17
IL34855A (en) 1974-01-14
FR2102406A5 (da) 1972-04-07
TR16868A (tr) 1973-09-01
IE34363B1 (en) 1975-04-16
SE375106B (da) 1975-04-07
JPS4833990B1 (da) 1973-10-18
DK135952C (da) 1977-12-19
ES381943A1 (es) 1972-12-01
CS162725B2 (da) 1975-07-15
CH535272A (de) 1973-03-31
BE753516A (fr) 1970-12-16

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