GB1517673A – Process for the production of thermoformable polyisocyanurate foams
– Google Patents
GB1517673A – Process for the production of thermoformable polyisocyanurate foams
– Google Patents
Process for the production of thermoformable polyisocyanurate foams
Info
Publication number
GB1517673A
GB1517673A
GB7340/77A
GB734077A
GB1517673A
GB 1517673 A
GB1517673 A
GB 1517673A
GB 7340/77 A
GB7340/77 A
GB 7340/77A
GB 734077 A
GB734077 A
GB 734077A
GB 1517673 A
GB1517673 A
GB 1517673A
Authority
GB
United Kingdom
Prior art keywords
polyether
foam
component
carried out
polyisocyanate
Prior art date
1976-02-24
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
GB7340/77A
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.)
1976-02-24
Filing date
1977-02-22
Publication date
1978-07-12
1977-02-22
Application filed by Bayer AG
filed
Critical
Bayer AG
1978-07-12
Publication of GB1517673A
publication
Critical
patent/GB1517673A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
C08G18/72—Polyisocyanates or polyisothiocyanates
C08G18/80—Masked polyisocyanates
C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
C08G18/8019—Masked aromatic polyisocyanates
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
C08G18/40—High-molecular-weight compounds
C08G18/48—Polyethers
C08G18/4833—Polyethers containing oxyethylene units
C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
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
C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
C08G18/6666—Compounds of group C08G18/48 or C08G18/52
C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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
C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
C08G18/72—Polyisocyanates or polyisothiocyanates
C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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
C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
C08G18/72—Polyisocyanates or polyisothiocyanates
C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
C08G18/78—Nitrogen
C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
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
C08G2110/00—Foam properties
C08G2110/0025—Foam properties rigid
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
C08G2110/00—Foam properties
C08G2110/0041—Foam properties having specified density
C08G2110/005—< 50kg/m3 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 C08G2110/00—Foam properties C08G2110/0041—Foam properties having specified density C08G2110/0058—≥50 and <150kg/m3 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 C08G2115/00—Oligomerisation C08G2115/02—Oligomerisation to isocyanurate groups Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series Y10S521/902—Cellular polymer containing an isocyanurate structure Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION Y10T428/00—Stock material or miscellaneous articles Y10T428/31504—Composite [nonstructural laminate] Y10T428/31547—Of polyisocyanurate Abstract 1517673 Thermoformable polyisocyanurate foams BAYER AG 22 Feb 1977 [24 Feb 1976] 7340/77 Heading C3R A process for the production of a thermoformable rigid polyisocyanurate foam comprises reacting in the presence of at least one isocyanate trimerization catalyst and at least one blowing agent, an excess of polyisocyanate reactant which is a polymethylene polyphenyl polyisocyanate which contains at least 80% wt. of diisocyanatodiphenylmethane with an OH group-containing reactant which comprises: (a) at least one polyoxy-alkylene polyether containing at least one OH group and having an OH number of from 28 to 112 in which at least 20% wt. of the alkylene oxide component consists of ethylene oxide units, and (b) at least one dihydric alcohol having a molecular weight of from 62 to 200, the polyether (a) being used in an amount of from 0À015 to 0À04 equivalents of OH per equivalent of NCO, and the dihydric alcohol (b) being used in an amount of from 0À2 to 0À4 equivalents of OH per equivalent of NCO. The polyisocyanate component may be pure diphenylmethane diisocyanate, polymethylene polyphenyl polyisocyanates prepared by phosgenating polyphenyl polymethylene polyamines or chemically modified diisocyanato-diphenylmethanes. The polyisocyanate preferably contains from 5-60% wt. of 2,4<1>-diisocyanatodiphenylmethane. In polyether component (a) preferably at least 10% wt. of the OH groups are primary OH groups. Part of the polyether component (a) may be replaced by compounds ofM.Wt. 800 to 10,000 containing NCO-reactive hydrogen atoms, e.g. polyesters, polyamines, polythiols, polycarboxylic acids, polyacetals, polycarbonates and OH-containing polybutadienes. The dihydric alcohol (b) may be a C2-C8 alkane diol, 1,4-bis-hydroxymethylcyclohexane, di-, tri-, tetra- or poly-ethylene, – propylene or -butylene glycols. The blowing agent may be water and/or a volatile inert organic substance. Suitable trimerization catalysts include quaternary ammonium hydroxides, alkali metal hydroxides, alkali metal alkoxides, alkali metal salts of carboxylic acids, lead octoate and certain tertiary amines, e.g. N-(2- dimethyl-aminoethyl)-N<1>-methyl piperazine and tris – (3 – dimethylaminopropyl) – hexahydrotriazine. The above catalysts may be used together with conventional urethane catalysts. Conventional additives such as foam stabilizers, cell regulators and stabilizers may be added. The process is preferably carried out by the oneshot procedure and it may be carried out continuously or discontinuously. The cell diameter of the foam is generally from 0À3 to 2À5 mm. Thermoforming of the foam may be carried out by bending, pressing or stamping and the heating may be carried out in hot air ovens, microwave or infra-red heating channels or contact hot plates. The thermoforming temperature is generally from 150 to 210 C. The thermoforming may be carried out continuously or discontinuously and the foam may be profiled. In a typical example a rigid polyisocyanurate foam is prepared by vigorously mixing a component (A) comprising an ethylene oxide/propylene oxide/trimethylolpropane polyether of OH number 56, ethane-1,2-diol, water, tris – (dimethylaminopropyl) -hexahydrotriazine, potassium acetate, permethylated diethylenetriamine, a polyether polysiloxane stabilizer and a phenylmethyl polysiloxane cell regulator, with a component (B) comprising monofluorotrichloromethane and diisocyanatodiphenylmethane consisting of 90% wt. of 4,4<1>-isomers and 10% wt. of 2,41-isomers modified with 14% wt. of tripropylene glycol.
GB7340/77A
1976-02-24
1977-02-22
Process for the production of thermoformable polyisocyanurate foams
Expired
GB1517673A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE2607380A
DE2607380C3
(en)
1976-02-24
1976-02-24
Process for the production of thermoformable polyisocyanurate foams
Publications (1)
Publication Number
Publication Date
GB1517673A
true
GB1517673A
(en)
1978-07-12
Family
ID=5970687
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7340/77A
Expired
GB1517673A
(en)
1976-02-24
1977-02-22
Process for the production of thermoformable polyisocyanurate foams
Country Status (10)
Country
Link
US
(1)
US4129697A
(en)
JP
(1)
JPS52103495A
(en)
BE
(1)
BE851698A
(en)
BR
(1)
BR7700994A
(en)
DE
(1)
DE2607380C3
(en)
ES
(1)
ES456177A1
(en)
GB
(1)
GB1517673A
(en)
IT
(1)
IT1083472B
(en)
NL
(1)
NL7701943A
(en)
SE
(1)
SE434161B
(en)
Cited By (1)
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Priority date
Publication date
Assignee
Title
GB2249793A
(en)
*
1990-11-16
1992-05-20
Basf Corp
Integral-skin rigid urethane foam
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US4169921A
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1973-01-11
1979-10-02
The Celotex Corporation
Polyisocyanurate
US4125505A
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1976-07-06
1978-11-14
Union Carbide Corporation
Polymer/polyols from high ethylene oxide content polyols
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1977-05-17
1985-05-30
Bayer Ag, 5090 Leverkusen
Process for the production of heat-resistant, bubble-free plastics containing isocyanurate groups
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1978-06-01
1982-01-19
The Celotex Corporation
Polyisocyanurate foam and process therefor
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High-modulus, flexible urethane coating and method of preparation
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三井東圧化学株式会社
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The Dow Chemical Company
Urethane-modified polyisocyanurate rigid foam
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Bayer Ag
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DE3737524C2
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*
1987-11-05
1994-12-22
Bayer Ag
Process for the production of ski cores
DE3942468A1
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*
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METHOD FOR THE PRODUCTION OF MOLDED BODIES OR FILMS FROM CROSS-LINKED POLYISOCYANATE-POLYADDITION PRODUCTS AND THE MOLDED BODIES OBTAINED THEREFORE
US5251849A
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Bayer Ag
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Thermoformable polyisocyanurate foam laminates for interior finishing applications
US5260344A
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Asahi Glass Company, Ltd.
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Process for preparing a polyisocyanurate polyurethane material
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Process for preparing polyisocyanurate polyurethane material
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DE
DE2607380A
patent/DE2607380C3/en
not_active
Expired
1977
1977-02-04
US
US05/765,490
patent/US4129697A/en
not_active
Expired – Lifetime
1977-02-17
BR
BR7700994A
patent/BR7700994A/en
unknown
1977-02-22
GB
GB7340/77A
patent/GB1517673A/en
not_active
Expired
1977-02-22
IT
IT48157/77A
patent/IT1083472B/en
active
1977-02-22
BE
BE175147A
patent/BE851698A/en
not_active
IP Right Cessation
1977-02-23
SE
SE7702008A
patent/SE434161B/en
not_active
IP Right Cessation
1977-02-23
ES
ES456177A
patent/ES456177A1/en
not_active
Expired
1977-02-23
NL
NL7701943A
patent/NL7701943A/en
not_active
Application Discontinuation
1977-02-24
JP
JP1874877A
patent/JPS52103495A/en
active
Granted
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2249793A
(en)
*
1990-11-16
1992-05-20
Basf Corp
Integral-skin rigid urethane foam
Also Published As
Publication number
Publication date
DE2607380A1
(en)
1977-08-25
NL7701943A
(en)
1977-08-26
JPS52103495A
(en)
1977-08-30
IT1083472B
(en)
1985-05-21
ES456177A1
(en)
1978-01-16
DE2607380C3
(en)
1981-07-23
BE851698A
(en)
1977-08-22
JPS546280B2
(en)
1979-03-27
SE434161B
(en)
1984-07-09
DE2607380B2
(en)
1980-09-18
SE7702008L
(en)
1977-08-25
BR7700994A
(en)
1977-10-18
US4129697A
(en)
1978-12-12
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Legal Events
Date
Code
Title
Description
1978-11-15
PS
Patent sealed [section 19, patents act 1949]
1992-10-21
PCNP
Patent ceased through non-payment of renewal fee
