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CA2099610A1 - Process for preparing moulded articles by compressing small particles or granules based on polyisocyanate polyaddition products - Google Patents

Process for preparing moulded articles by compressing small particles or granules based on polyisocyanate polyaddition products

Info

Publication number
CA2099610A1
CA2099610A1 CA002099610A CA2099610A CA2099610A1 CA 2099610 A1 CA2099610 A1 CA 2099610A1 CA 002099610 A CA002099610 A CA 002099610A CA 2099610 A CA2099610 A CA 2099610A CA 2099610 A1 CA2099610 A1 CA 2099610A1
Authority
CA
Canada
Prior art keywords
granules
particles
shear stress
compression
polyisocyanate polyaddition
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.)
Abandoned
Application number
CA002099610A
Other languages
English (en)
French (fr)
Inventor
Joachim Wagner
Werner Rasshofer
Thomas Elsner
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
Individual
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 Individual filed Critical Individual
Publication of CA2099610A1 publication Critical patent/CA2099610A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • 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
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666Compounds of group C08G18/48 or C08G18/52
    • C08G18/667Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6685Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
    • 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
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25Solid
    • B29K2105/251Particles, powder or granules

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CA002099610A 1990-12-07 1991-11-26 Process for preparing moulded articles by compressing small particles or granules based on polyisocyanate polyaddition products Abandoned CA2099610A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4039020A DE4039020A1 (de) 1990-12-07 1990-12-07 Verfahren zum herstellen von formkoerpern durch verpressen von kleinstueckigen teilchen bzw. granulat auf basis von polyisocyanat-polyadditionsprodukten
DEP4039020.9 1990-12-07
PCT/EP1991/002217 WO1992010350A1 (de) 1990-12-07 1991-11-26 Verfahren zum herstellen von formkörpern durch verpressen von kleinstückigen teilchen bzw. granulat auf basis von polyisocyanat-polyadditionsprodukten

Publications (1)

Publication Number Publication Date
CA2099610A1 true CA2099610A1 (en) 1992-06-08

Family

ID=6419774

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002099610A Abandoned CA2099610A1 (en) 1990-12-07 1991-11-26 Process for preparing moulded articles by compressing small particles or granules based on polyisocyanate polyaddition products

Country Status (6)

Country Link
EP (1) EP0560804A1 (de)
JP (1) JPH06503044A (de)
KR (1) KR930703131A (de)
CA (1) CA2099610A1 (de)
DE (1) DE4039020A1 (de)
WO (1) WO1992010350A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19730207A1 (de) * 1997-07-15 1999-01-21 Klein Schanzlin & Becker Ag Verfahren zur Herstellung eines Hohlkörpers aus Kunststoff

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611688A1 (de) * 1986-04-08 1987-10-22 Hansa Metallwerke Ag Verfahren und vorrichtung zur herstellung eines kunststoff-formkoerpers
DE3822331A1 (de) * 1988-07-01 1990-01-04 Bayer Ag Verfahren zur herstellung von formkoerpern und die nach diesem verfahren erhaltenen formkoerper
DE4030282A1 (de) * 1989-11-01 1991-05-02 Bayer Ag Verfahren zum herstellen von formkoerpern durch tiefziehen von vorgefertigten pur-teilen oder verpressen von kleinteiligem pur-material, beides auf basis von polyisocyanat-polyadditionsprodukten

Also Published As

Publication number Publication date
DE4039020A1 (de) 1992-07-23
JPH06503044A (ja) 1994-04-07
KR930703131A (ko) 1993-11-29
WO1992010350A1 (de) 1992-06-25
EP0560804A1 (de) 1993-09-22

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Legal Events

Date Code Title Description
FZDE Dead