BR7507674A - Processo para a preparacao de espumas endureciveis ao frio,que apresentam grupos uretano,mediante espumacao por moldagem - Google Patents

Processo para a preparacao de espumas endureciveis ao frio,que apresentam grupos uretano,mediante espumacao por moldagem

Info

Publication number
BR7507674A
BR7507674A BR7507674*A BR7507674A BR7507674A BR 7507674 A BR7507674 A BR 7507674A BR 7507674 A BR7507674 A BR 7507674A BR 7507674 A BR7507674 A BR 7507674A
Authority
BR
Brazil
Prior art keywords
uretane
groups
preparation
present
cold hardening
Prior art date
Application number
BR7507674*A
Other languages
English (en)
Portuguese (pt)
Inventor
H Moretto
J Koster
H Meiners
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
Publication of BR7507674A publication Critical patent/BR7507674A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/0834—Compounds having one or more O-Si linkage
    • C07F7/0838—Compounds with one or more Si-O-Si sequences
    • C07F7/0872—Preparation and treatment thereof
    • C07F7/0876—Reactions involving the formation of bonds to a Si atom of a Si-O-Si sequence other than a bond of the Si-O-Si linkage
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • 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
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1883—Catalysts containing secondary or tertiary amines or salts thereof having heteroatoms other than oxygen and nitrogen
    • 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C08J2375/08—Polyurethanes from polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
BR7507674*A 1974-11-20 1975-11-19 Processo para a preparacao de espumas endureciveis ao frio,que apresentam grupos uretano,mediante espumacao por moldagem BR7507674A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742454954 DE2454954A1 (de) 1974-11-20 1974-11-20 Verfahren zur herstellung von kalthaertenden, urethangruppen aufweisenden schaumstoffen durch formverschaeumung

Publications (1)

Publication Number Publication Date
BR7507674A true BR7507674A (pt) 1976-08-10

Family

ID=5931309

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7507674*A BR7507674A (pt) 1974-11-20 1975-11-19 Processo para a preparacao de espumas endureciveis ao frio,que apresentam grupos uretano,mediante espumacao por moldagem

Country Status (14)

Country Link
JP (1) JPS5173567A (cs)
AT (1) AT346603B (cs)
BE (1) BE835706A (cs)
BR (1) BR7507674A (cs)
CA (1) CA1039896A (cs)
CH (1) CH602813A5 (cs)
DE (1) DE2454954A1 (cs)
DK (1) DK520475A (cs)
FR (1) FR2291995A1 (cs)
GB (1) GB1463268A (cs)
IT (1) IT1052308B (cs)
LU (1) LU73819A1 (cs)
NL (1) NL7513523A (cs)
SE (1) SE7513010L (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467220A1 (fr) 1979-10-11 1981-04-17 Rhone Poulenc Ind Procede de fabrication de mousses souples de polyurethanne a l'aide de polypentaerythritols triorganosilyles
DE3574150D1 (en) * 1984-07-27 1989-12-14 Bp Chem Int Ltd Process for the formation of isocyanurates
CN116396455B (zh) * 2023-05-26 2023-08-11 广州艾科新材料股份有限公司 一种回收油制备多元醇及聚氨酯的方法

Also Published As

Publication number Publication date
CH602813A5 (cs) 1978-08-15
GB1463268A (en) 1977-02-02
FR2291995A1 (fr) 1976-06-18
SE7513010L (sv) 1976-05-21
FR2291995B1 (cs) 1980-02-29
CA1039896A (en) 1978-10-03
AU8583675A (en) 1977-04-21
JPS5173567A (en) 1976-06-25
NL7513523A (nl) 1976-05-24
DE2454954A1 (de) 1976-05-26
DK520475A (da) 1976-05-21
IT1052308B (it) 1981-06-20
ATA876375A (de) 1978-03-15
AT346603B (de) 1978-11-27
LU73819A1 (cs) 1976-09-06
BE835706A (fr) 1976-05-19

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