BE799408A - Procede de preparation de polyurethannes de poids moleculaire controle, - Google Patents

Procede de preparation de polyurethannes de poids moleculaire controle,

Info

Publication number
BE799408A
BE799408A BE131006A BE131006A BE799408A BE 799408 A BE799408 A BE 799408A BE 131006 A BE131006 A BE 131006A BE 131006 A BE131006 A BE 131006A BE 799408 A BE799408 A BE 799408A
Authority
BE
Belgium
Prior art keywords
polyurethannes
preparing
molecular weight
controlled molecular
controlled
Prior art date
Application number
BE131006A
Other languages
English (en)
Inventor
J W Britain
W Meckel
Original Assignee
Baychem Corp
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 Baychem Corp, Bayer Ag filed Critical Baychem Corp
Publication of BE799408A publication Critical patent/BE799408A/fr

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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • 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
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE131006A 1972-05-12 1973-05-11 Procede de preparation de polyurethannes de poids moleculaire controle, BE799408A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25264272A 1972-05-12 1972-05-12
US49052874A 1974-07-22 1974-07-22

Publications (1)

Publication Number Publication Date
BE799408A true BE799408A (fr) 1973-11-12

Family

ID=26942517

Family Applications (1)

Application Number Title Priority Date Filing Date
BE131006A BE799408A (fr) 1972-05-12 1973-05-11 Procede de preparation de polyurethannes de poids moleculaire controle,

Country Status (8)

Country Link
US (1) US4071505A (fr)
JP (1) JPS4948792A (fr)
BE (1) BE799408A (fr)
CA (1) CA989995A (fr)
DE (1) DE2323393B2 (fr)
FR (1) FR2184767B1 (fr)
GB (1) GB1438145A (fr)
NL (1) NL7306488A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098772A (en) * 1976-03-11 1978-07-04 The Upjohn Company Thermoplastic polyurethanes prepared with small amounts of monohydric alcohols
US4080314A (en) 1976-03-11 1978-03-21 The Upjohn Company Polyurethane elastomers based on alcohol-modified diisocyanate
US4083815A (en) * 1976-03-11 1978-04-11 The Upjohn Company Polyurethane coating compositions and process of preparation
DE2832759A1 (de) * 1978-07-26 1980-02-14 Basf Ag Verfahren zur herstellung von hochmolekularen, in organischen loesungsmitteln loeslichen polyurethanen
DE2846809A1 (de) * 1978-10-27 1980-05-08 Bayer Ag Verfahren zur herstellung von polyurethankunststoffen
DE2846814A1 (de) * 1978-10-27 1980-05-08 Bayer Ag Suspensionen von isocyanat-destillationsrueckstaenden in polyolen
DE3070380D1 (en) * 1979-09-21 1985-05-02 Basf Wyandotte Corp Rigid, non-cellular urethane polymer composition modified with reaction product of an isocyanate and an alcohol and a process for producing it
FR2511014B1 (fr) * 1981-08-10 1987-02-06 Ethicon Inc Procede de preparation d'une resine de polyurethanne convenant pour le filage electrostatique
DE3142706A1 (de) * 1981-10-28 1983-05-05 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung viskositaetsstabiler polyurethanloesungen
US4426461A (en) * 1982-07-14 1984-01-17 Thermocell Development, Ltd. Modified polyisocyanurate foam and method of preparation
GB2137638A (en) * 1983-04-05 1984-10-10 Bostik Ltd Adhesive compositions
US4439593A (en) * 1983-05-26 1984-03-27 Mobay Chemical Corporation Polyurethane compositions with improved storage stability
DE3932958A1 (de) * 1989-10-03 1991-04-11 Bayer Ag Verfahren zur herstellung licht- und abgasbestaendiger puh-elastomerfaeden und -folien und elastomerfaeden entsprechender zusammensetzung
DE3932948A1 (de) * 1989-10-03 1991-04-11 Bayer Ag Verfahren zur herstellung von segmentierten polyurethanharnstoff-elastomerloesungen, sowie faeden und folien daraus
DE19520730A1 (de) * 1995-06-07 1996-12-12 Bayer Ag Thermoplastische Polyurethanharnstoff-Elastomere
US6255433B1 (en) * 1998-06-19 2001-07-03 Takeda Chemical Industries, Ltd. One-package thixotropic polyurethane resin composition
DE10061067C1 (de) 2000-12-08 2002-06-06 Bayer Ag Kontinuierliches Verfahren zur Herstellung von thermoplastisch verarbeitbaren Polyurethanelastomeren mit definiertem und standardisiertem Schmelze-Fließ-Verhalten und hoher Thermostabilität
CN108138023B (zh) 2015-09-30 2021-04-09 伊英克公司 用于电光组件的聚氨酯粘合剂层

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622542A (en) * 1969-04-02 1971-11-23 Alcolac Chemical Corp Method of producing polyurethanes
US3718622A (en) * 1970-12-31 1973-02-27 Hooker Chemical Corp Gel prevention in polyurethanes

Also Published As

Publication number Publication date
FR2184767B1 (fr) 1980-06-06
JPS4948792A (fr) 1974-05-11
GB1438145A (en) 1976-06-03
DE2323393A1 (de) 1973-11-29
FR2184767A1 (fr) 1973-12-28
CA989995A (en) 1976-05-25
US4071505A (en) 1978-01-31
NL7306488A (fr) 1973-11-14
DE2323393B2 (de) 1980-12-11

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