GB1208907A - Two-component curable polyurethane compositions - Google Patents

Two-component curable polyurethane compositions

Info

Publication number
GB1208907A
GB1208907A GB51430/67A GB5143067A GB1208907A GB 1208907 A GB1208907 A GB 1208907A GB 51430/67 A GB51430/67 A GB 51430/67A GB 5143067 A GB5143067 A GB 5143067A GB 1208907 A GB1208907 A GB 1208907A
Authority
GB
United Kingdom
Prior art keywords
carbon
silicon
complex
pentaco
ordinate
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
GB51430/67A
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.)
Dow Silicones Corp
Original Assignee
Dow Corning Corp
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 Dow Corning Corp filed Critical Dow Corning Corp
Publication of GB1208907A publication Critical patent/GB1208907A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/04Esters of silicic acids
    • C07F7/07Cyclic esters
    • 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
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/18Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804Compounds having Si-O-C linkages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

1,208,907. Curable polyurethane compositions; pentaco-ordinate silicon complexes. DOW CORNING CORP. 13 Nov., 1967 [12 Dec., 1966], No. 51430/67. Headings C3R and C3S. Curable polyurethane compositions comprise (1) a curable polyurethane prepolymer, and (2) a pentaco-ordinate silicon complex of the general formula wherein each R is a hydrogen atom or monovalent radical attached to the carbon atom via a carbon-to-carbon bond, R<SP>1</SP> is a monovalent radical attached to the Si atom via a carbon-to-silicon bond or carbon-to-oxygento-silicon bond, and A is a cation formed from an amine containing an active hydrogen atom, there being sufficient of (2) present to cause (1) to cure upon heating of the composition. The prepolymers (1) are suitably based on polyether or polyester polyols. In the complex (2) R is suitably a hydrogen atom or a monovalent hydrocarbon, halogenohydrocarbon, aminohydrocarbon, cyanohydrocarbon or carboxyhydrocarbon radical and R<SP>1</SP> is suitably a hydrocarbon or alkoxy radical containing 1 to 6 carbon atoms. The cation A may be formed from a mono-, di- or polyamine, preferably a primary amine. On heating, the amine is released from the complex and the prepolymer is cured. In examples, a polyurethane prepolymer is cured using complexes of the formula wherein (2) A is H 3 N(CH 2 ) 6 NH 3 , R is H and R<SP>1</SP> is -O-C 2 H 5 , (3 and 4) A is [(CH 3 ) 2 N] 2 C = NH 2 , R is derived from propylene glycol (i.e. is CH 3 - or H and R<SP>1</SP> is C 6 H 5 , (5) A is H 3 N(CH 2 ) 6 NH 3 , R is derived from propylene glycol (i.e. is CH 3 - or H) and R<SP>1</SP> is -O-C 2 H 5 , (6) A is (H 3 NCH 2 CH 2 ) 2 NH, R is H and R<SP>1</SP> is C 6 H 5 , (7) A is (H 3 NCH 2 CH 2 ) 2 NH, R is derived from propylene glycol (i.e. is CH 3 - or H) and R<SP>1</SP> is -O-C 2 H 5 , and (8) A is H 3 N(CH 2 ) 6 NH 3 , R is CH 3 and R<SP>1</SP> is C 6 H 5 . A pentaco-ordinate silicon complex of the formula is prepared by heating at reflux a mixture of phenyltrimethoxysilane, propylene glycol and tetramethyl guanidine in acetonitrile. A pentaco-ordinate silicon complex of the formula is prepared by reacting (C 2 H 5 O) 4 Si, ethylene glycol, hexamethylene diamine and acetonitrile. Specification 1,208,908 is referred to.
GB51430/67A 1966-12-12 1967-11-13 Two-component curable polyurethane compositions Expired GB1208907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60076366A 1966-12-12 1966-12-12

Publications (1)

Publication Number Publication Date
GB1208907A true GB1208907A (en) 1970-10-14

Family

ID=24404947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51430/67A Expired GB1208907A (en) 1966-12-12 1967-11-13 Two-component curable polyurethane compositions

Country Status (5)

Country Link
AT (1) AT279900B (en)
BE (1) BE707787A (en)
DE (1) DE1669994A1 (en)
GB (1) GB1208907A (en)
NL (2) NL6716786A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004031256A1 (en) * 2002-10-01 2004-04-15 Akzo Nobel Coatings International B.V. Coating composition comprising a compound comprising a spiro-ortho silicate group

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004031256A1 (en) * 2002-10-01 2004-04-15 Akzo Nobel Coatings International B.V. Coating composition comprising a compound comprising a spiro-ortho silicate group
US7015298B2 (en) 2002-10-01 2006-03-21 Akzo Nobel N.V. Coating composition comprising a compound comprising a spiro-ortho silicate group

Also Published As

Publication number Publication date
BE707787A (en) 1968-06-11
DE1669994A1 (en) 1970-10-29
AT279900B (en) 1970-03-25
NL6716786A (en) 1968-06-13
NL127627C (en) 1900-01-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees