FR71522E - Method and apparatus for the manufacture of porous or homogeneous polyurethane plastics - Google Patents

Method and apparatus for the manufacture of porous or homogeneous polyurethane plastics

Info

Publication number
FR71522E
FR71522E FR71522DA FR71522E FR 71522 E FR71522 E FR 71522E FR 71522D A FR71522D A FR 71522DA FR 71522 E FR71522 E FR 71522E
Authority
FR
France
Prior art keywords
porous
manufacture
polyurethane plastics
homogeneous polyurethane
homogeneous
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
Application number
Other languages
French (fr)
Inventor
Erwin Weinbrenner
Peter Hoppe
Karl Breer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of FR71522E publication Critical patent/FR71522E/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4202—Two or more polyesters of different physical or chemical nature
FR71522D 1957-05-09 1957-05-09 Method and apparatus for the manufacture of porous or homogeneous polyurethane plastics Expired FR71522E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR71522T 1957-05-09

Publications (1)

Publication Number Publication Date
FR71522E true FR71522E (en) 1960-01-05

Family

ID=8703076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR71522D Expired FR71522E (en) 1957-05-09 1957-05-09 Method and apparatus for the manufacture of porous or homogeneous polyurethane plastics

Country Status (1)

Country Link
FR (1) FR71522E (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0373409A1 (en) * 1988-12-10 1990-06-20 MASCHINENFABRIK HENNECKE GmbH Method and device for producing plastics, especially foaming plastics, from at least two free-flowing evenly supplied reaction components
EP0431388A1 (en) * 1989-12-02 1991-06-12 MASCHINENFABRIK HENNECKE GmbH Method and device for making plastic, especially foamy materials

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0373409A1 (en) * 1988-12-10 1990-06-20 MASCHINENFABRIK HENNECKE GmbH Method and device for producing plastics, especially foaming plastics, from at least two free-flowing evenly supplied reaction components
US5152943A (en) * 1988-12-10 1992-10-06 Maschinenfabrik Hennecke Gmbh Process for the production of plastics from at least two free-flowing reactants
US5476638A (en) * 1988-12-10 1995-12-19 Maschinenfabrik Hennecke Process and device for the production of plastics from at least two free-flowing reactants
EP0431388A1 (en) * 1989-12-02 1991-06-12 MASCHINENFABRIK HENNECKE GmbH Method and device for making plastic, especially foamy materials

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