GB769680A - Improved process for the manufacture of porous or homogeneous polyurethanes - Google Patents

Improved process for the manufacture of porous or homogeneous polyurethanes

Info

Publication number
GB769680A
GB769680A GB32021/52A GB3202152A GB769680A GB 769680 A GB769680 A GB 769680A GB 32021/52 A GB32021/52 A GB 32021/52A GB 3202152 A GB3202152 A GB 3202152A GB 769680 A GB769680 A GB 769680A
Authority
GB
United Kingdom
Prior art keywords
components
mixing chamber
polyisocyanate
under pressure
activator
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
GB32021/52A
Other languages
English (en)
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
Priority to NL93074D priority Critical patent/NL93074C/xx
Application filed by Bayer AG filed Critical Bayer AG
Priority to GB32021/52A priority patent/GB769680A/en
Publication of GB769680A publication Critical patent/GB769680A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/002Methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/74Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7476Systems, i.e. flow charts or diagrams; Plants
    • B29B7/7485Systems, i.e. flow charts or diagrams; Plants with consecutive mixers, e.g. with premixing some of the components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/0895Manufacture of polymers by continuous processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
GB32021/52A 1952-12-17 1952-12-17 Improved process for the manufacture of porous or homogeneous polyurethanes Expired GB769680A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL93074D NL93074C (enExample) 1952-12-17
GB32021/52A GB769680A (en) 1952-12-17 1952-12-17 Improved process for the manufacture of porous or homogeneous polyurethanes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32021/52A GB769680A (en) 1952-12-17 1952-12-17 Improved process for the manufacture of porous or homogeneous polyurethanes

Publications (1)

Publication Number Publication Date
GB769680A true GB769680A (en) 1957-03-13

Family

ID=25947954

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32021/52A Expired GB769680A (en) 1952-12-17 1952-12-17 Improved process for the manufacture of porous or homogeneous polyurethanes

Country Status (2)

Country Link
GB (1) GB769680A (enExample)
NL (1) NL93074C (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042733A (en) * 1960-05-19 1962-07-03 Union Carbide Corp Battery construction
US3066646A (en) * 1958-10-30 1962-12-04 Bramley Anthony Bedding
US3118278A (en) * 1959-06-26 1964-01-21 Gas turbine power plant
GB2199837A (en) * 1987-01-15 1988-07-20 Garcia Don Jose Sanchis Producing foam articles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066646A (en) * 1958-10-30 1962-12-04 Bramley Anthony Bedding
US3118278A (en) * 1959-06-26 1964-01-21 Gas turbine power plant
US3042733A (en) * 1960-05-19 1962-07-03 Union Carbide Corp Battery construction
GB2199837A (en) * 1987-01-15 1988-07-20 Garcia Don Jose Sanchis Producing foam articles

Also Published As

Publication number Publication date
NL93074C (enExample)

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