ES440992A1 - Procedimiento para la obtencion de materiales espumados de poliuretano. - Google Patents

Procedimiento para la obtencion de materiales espumados de poliuretano.

Info

Publication number
ES440992A1
ES440992A1 ES440992A ES440992A ES440992A1 ES 440992 A1 ES440992 A1 ES 440992A1 ES 440992 A ES440992 A ES 440992A ES 440992 A ES440992 A ES 440992A ES 440992 A1 ES440992 A1 ES 440992A1
Authority
ES
Spain
Prior art keywords
foams
production
molecular weight
hydrogen atoms
cold curing
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
ES440992A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES440992A1 publication Critical patent/ES440992A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/80Masked polyisocyanates
    • C08G18/8003Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • 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
    • 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
    • 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
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/77Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78Nitrogen
    • C08G18/7806Nitrogen containing -N-C=0 groups
    • C08G18/7818Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • 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
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/77Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78Nitrogen
    • C08G18/79Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • 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
    • C08G2110/00Foam properties
    • C08G2110/0008Foam properties flexible
    • 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
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3
    • 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
    • C08G2110/00Foam properties
    • C08G2110/0083Foam properties prepared using water as the sole blowing agent
ES440992A 1974-09-17 1975-09-16 Procedimiento para la obtencion de materiales espumados de poliuretano. Expired ES440992A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742444331 DE2444331A1 (de) 1974-09-17 1974-09-17 Verfahren zur herstellung von superelastischen polyurethanschaumstoffen (kaltschaumstoffen)

Publications (1)

Publication Number Publication Date
ES440992A1 true ES440992A1 (es) 1977-03-01

Family

ID=5925954

Family Applications (1)

Application Number Title Priority Date Filing Date
ES440992A Expired ES440992A1 (es) 1974-09-17 1975-09-16 Procedimiento para la obtencion de materiales espumados de poliuretano.

Country Status (15)

Country Link
JP (1) JPS5155398A (es)
AT (1) AT344404B (es)
AU (1) AU8468775A (es)
BE (1) BE833413A (es)
BR (1) BR7505962A (es)
CH (1) CH602812A5 (es)
DD (1) DD122988A5 (es)
DE (1) DE2444331A1 (es)
DK (1) DK413775A (es)
ES (1) ES440992A1 (es)
FR (1) FR2285409A1 (es)
GB (1) GB1487026A (es)
IT (1) IT1047064B (es)
NL (1) NL7510835A (es)
SE (1) SE7510334L (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906879A1 (de) * 1979-02-22 1980-09-04 Bayer Ag Verfahren zur herstellung von hochelastischen urethangruppen aufweisenden schaumstoffen
JPS57133113A (en) * 1980-12-29 1982-08-17 Grace W R & Co Size-stable polyurethane sponge and sponge forming prepolymer
CN114806138B (zh) * 2021-05-26 2024-02-02 广州市五羊艺冠声学材料有限公司 一种具有缓冲功能的防尘隔音板

Also Published As

Publication number Publication date
DK413775A (da) 1976-03-18
JPS5155398A (en) 1976-05-15
CH602812A5 (es) 1978-08-15
NL7510835A (nl) 1976-03-19
AT344404B (de) 1978-07-25
FR2285409B1 (es) 1979-06-01
IT1047064B (it) 1980-09-10
BE833413A (fr) 1976-03-15
AU8468775A (en) 1977-03-17
GB1487026A (en) 1977-09-28
DE2444331A1 (de) 1976-03-25
DD122988A5 (de) 1976-11-12
ATA704775A (de) 1977-11-15
FR2285409A1 (fr) 1976-04-16
BR7505962A (pt) 1976-08-03
SE7510334L (sv) 1976-03-18

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