ZA704884B - A process for making improved urea/formaldehyde foams - Google Patents
A process for making improved urea/formaldehyde foamsInfo
- 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
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)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (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)
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)
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 |
-
1969
- 1969-07-17 GB GB3606969A patent/GB1313103A/en not_active Expired
-
1970
- 1970-07-03 IE IE866/70A patent/IE34363B1/en unknown
- 1970-07-06 IL IL34855A patent/IL34855A/en unknown
- 1970-07-13 NL NL7010325A patent/NL7010325A/xx unknown
- 1970-07-14 TR TR16868A patent/TR16868A/en unknown
- 1970-07-15 BE BE753516D patent/BE753516A/en unknown
- 1970-07-15 AT AT642970A patent/AT315505B/en not_active IP Right Cessation
- 1970-07-15 CH CH1076870A patent/CH535272A/en not_active IP Right Cessation
- 1970-07-15 SE SE7009796A patent/SE375106B/xx unknown
- 1970-07-16 FR FR7026108A patent/FR2102406A5/fr not_active Expired
- 1970-07-16 JP JP45062515A patent/JPS4833990B1/ja active Pending
- 1970-07-16 ZA ZA704884A patent/ZA704884B/en unknown
- 1970-07-16 DK DK368970AA patent/DK135952B/en unknown
- 1970-07-17 CS CS5061A patent/CS162725B2/cs unknown
- 1970-07-17 ES ES381943A patent/ES381943A1/en not_active Expired
- 1970-07-17 DE DE2035595A patent/DE2035595B2/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
ES381943A1 (en) | 1972-12-01 |
IE34363B1 (en) | 1975-04-16 |
JPS4833990B1 (en) | 1973-10-18 |
DK135952C (en) | 1977-12-19 |
GB1313103A (en) | 1973-04-11 |
TR16868A (en) | 1973-09-01 |
DE2035595B2 (en) | 1978-11-23 |
CH535272A (en) | 1973-03-31 |
FR2102406A5 (en) | 1972-04-07 |
AT315505B (en) | 1974-05-27 |
CS162725B2 (en) | 1975-07-15 |
SE375106B (en) | 1975-04-07 |
IL34855A0 (en) | 1970-09-17 |
BE753516A (en) | 1970-12-16 |
DK135952B (en) | 1977-07-18 |
NL7010325A (en) | 1971-01-19 |
IL34855A (en) | 1974-01-14 |
IE34363L (en) | 1971-01-17 |
DE2035595A1 (en) | 1972-01-05 |
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