IT985326B - Procedimento e dispositivo per la preparazione di materie pla stiche porose - Google Patents
Procedimento e dispositivo per la preparazione di materie pla stiche poroseInfo
- Publication number
- IT985326B IT985326B IT5046873A IT5046873A IT985326B IT 985326 B IT985326 B IT 985326B IT 5046873 A IT5046873 A IT 5046873A IT 5046873 A IT5046873 A IT 5046873A IT 985326 B IT985326 B IT 985326B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- preparation
- plastic materials
- porous plastic
- porous
- 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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/04—Feed or outlet devices; Feed or outlet control devices using osmotic pressure using membranes, porous plates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722227795 DE2227795A1 (de) | 1972-06-08 | 1972-06-08 | Verfahren und vorrichtung zur herstellung von poroesen kunststoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT985326B true IT985326B (it) | 1974-11-30 |
Family
ID=5847102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5046873A IT985326B (it) | 1972-06-08 | 1973-06-06 | Procedimento e dispositivo per la preparazione di materie pla stiche porose |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS4962564A (it) |
BE (1) | BE800592A (it) |
CA (1) | CA1002697A (it) |
CH (1) | CH583094A5 (it) |
DE (1) | DE2227795A1 (it) |
FR (1) | FR2187845B1 (it) |
GB (1) | GB1406943A (it) |
IT (1) | IT985326B (it) |
NL (1) | NL7307832A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2116574A (en) * | 1982-03-19 | 1983-09-28 | Ici Plc | Method of manufacturing polyurethane foams |
FR2548197B1 (fr) * | 1983-06-15 | 1986-08-08 | Desgranges Annie | Procede de fabrication de mousses liquides de resines thermodurcissables, notamment de polyurethane, et mousses obtenues |
FR2594123B1 (fr) * | 1986-01-29 | 1989-02-17 | Cahart Christine | Procede permettant de faciliter la mise en oeuvre des resines polyester insature et produits obtenus par ce procede |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB622159A (en) * | 1946-10-25 | 1949-04-27 | Wingfoot Corp | Frothing mechanism |
-
1972
- 1972-06-08 DE DE19722227795 patent/DE2227795A1/de active Pending
-
1973
- 1973-06-05 JP JP48062636A patent/JPS4962564A/ja active Pending
- 1973-06-05 NL NL7307832A patent/NL7307832A/xx unknown
- 1973-06-06 CH CH822573A patent/CH583094A5/xx not_active IP Right Cessation
- 1973-06-06 IT IT5046873A patent/IT985326B/it active
- 1973-06-07 BE BE131991A patent/BE800592A/xx unknown
- 1973-06-08 FR FR7321119A patent/FR2187845B1/fr not_active Expired
- 1973-06-08 GB GB2734273A patent/GB1406943A/en not_active Expired
- 1973-06-08 CA CA173,561A patent/CA1002697A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2227795A1 (de) | 1973-12-20 |
FR2187845B1 (it) | 1979-10-12 |
CH583094A5 (it) | 1976-12-31 |
JPS4962564A (it) | 1974-06-18 |
CA1002697A (en) | 1976-12-28 |
FR2187845A1 (it) | 1974-01-18 |
NL7307832A (it) | 1973-12-11 |
BE800592A (fr) | 1973-12-07 |
GB1406943A (en) | 1975-09-17 |
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