GB820265A - Apparatus for the manufacture of porous or homogeneous polyurethane plastics - Google Patents
Apparatus for the manufacture of porous or homogeneous polyurethane plasticsInfo
- Publication number
- GB820265A GB820265A GB14974/57A GB1497457A GB820265A GB 820265 A GB820265 A GB 820265A GB 14974/57 A GB14974/57 A GB 14974/57A GB 1497457 A GB1497457 A GB 1497457A GB 820265 A GB820265 A GB 820265A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixing chamber
- production
- continuous stream
- mixing head
- mixing
- 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
Links
Classifications
-
- 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
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7485—Systems, i.e. flow charts or diagrams; Plants with consecutive mixers, e.g. with premixing some of the components
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0895—Manufacture of polymers by continuous processes
Abstract
<PICT:0820265/III/1> An apparatus for use in the production of polyurethane plastics comprises a mixing chamber 4, means for introducing into the mixing chamber a continuous stream of an organic compound having at least two reactive hydrogen atoms, means located adjacent to this continuous stream for injection into the mixing chamber and into the continuous stream measured amounts of the polyisocyanate or cross-linking agent and/or accelerator, a mixing head 10, pumping means to convey the mixture produced in the mixing chamber to the mixing head, means for injection into the mixture contained in the mixing head of measured amounts of the cross-linking agent and/or accelerator or the polyisocyanate and means for discharging the reactive mixture from the mixing head. The apparatus is suitable for use in the process of Specification 820,266, [Group IV (a)].ALSO:The invention comprises an apparatus for the production of polyurethanes, particularly by the process of Specification 820,266, the examples being the same as in that Specification.ALSO:The invention comprises an apparatus for the production of polyurethane foams, particularly by the process of Specification 820,266, the examples being the same as in that Specification.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE820265X | 1956-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB820265A true GB820265A (en) | 1959-09-16 |
Family
ID=6736602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14974/57A Expired GB820265A (en) | 1956-05-11 | 1957-05-10 | Apparatus for the manufacture of porous or homogeneous polyurethane plastics |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB820265A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2693675A1 (en) * | 1992-07-16 | 1994-01-21 | Bayer Ag | Device for preparing a fluid reaction mixture forming a massive or cellular plastic material. |
US5453250A (en) * | 1992-07-16 | 1995-09-26 | Bayer Aktiengesellschaft | Apparatus for the preparation of a flowable reaction mixture |
-
1957
- 1957-05-10 GB GB14974/57A patent/GB820265A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2693675A1 (en) * | 1992-07-16 | 1994-01-21 | Bayer Ag | Device for preparing a fluid reaction mixture forming a massive or cellular plastic material. |
US5453250A (en) * | 1992-07-16 | 1995-09-26 | Bayer Aktiengesellschaft | Apparatus for the preparation of a flowable reaction mixture |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB895043A (en) | Mixing apparatus | |
ES440344A1 (en) | Process for manufacturing foamed materials involving contacting a thin unbroken film of liquid resin with a gaseous blowing agent under pressure | |
GB755173A (en) | Device for spraying foamed materials | |
ES448498A1 (en) | Process for the production of foams | |
GB811695A (en) | Mixing apparatus and process for producing polyurethane plastics | |
ES275846A1 (en) | Procedure for obtaining a polyurethane polymer (Machine-translation by Google Translate, not legally binding) | |
GB1108190A (en) | Novel isocyanate compositions and process | |
GB876199A (en) | Apparatus for the production of synthetic resin foam | |
FR1153935A (en) | Process for the fractionation of a mixture of compressed gas, rich in hydrogen | |
GB820265A (en) | Apparatus for the manufacture of porous or homogeneous polyurethane plastics | |
GB980840A (en) | Process for the production of non-cellular unitary structures | |
JPS55155016A (en) | Manufacture of foamed polyurethane elastomer | |
GB852988A (en) | Alkylbenzene diisocyanates | |
ES445359A1 (en) | Isocyanate derivatives of 1,3[oxazoles, oxazines, diazoles and diazines] | |
GB842338A (en) | Process for the production of solid urethane polyisocyanate-urea diisocyanate mixtures and mixtures produced by this process | |
ES446640A1 (en) | Process for the production of polyurethane foams | |
ES437473A1 (en) | Process for the production of flame-resistant, hard polyurethane foams | |
GB769680A (en) | Improved process for the manufacture of porous or homogeneous polyurethanes | |
GB868272A (en) | Improvements in foamed plastics production | |
GB820266A (en) | Process for the manufacture of porous or homogeneous polyurethane plastics | |
GB938868A (en) | Material suitable for use in upholstery | |
GB946300A (en) | Polymerization process | |
JPS5740533A (en) | Foaming agent for polyurethane | |
DE3268050D1 (en) | Stabilisation of polyether or polyester moulding compounds against premature reaction | |
GB873486A (en) | Process for the production of valuable gaseous hydrocarbons |