CS198260B2 - Method of preparing polyurethan foams - Google Patents

Method of preparing polyurethan foams Download PDF

Info

Publication number
CS198260B2
CS198260B2 CS774513A CS451377A CS198260B2 CS 198260 B2 CS198260 B2 CS 198260B2 CS 774513 A CS774513 A CS 774513A CS 451377 A CS451377 A CS 451377A CS 198260 B2 CS198260 B2 CS 198260B2
Authority
CS
Czechoslovakia
Prior art keywords
process according
polyisocyanates
reaction products
polyols
ratio
Prior art date
Application number
CS774513A
Other languages
Czech (cs)
English (en)
Inventor
Pierluigi Fatutto
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of CS198260B2 publication Critical patent/CS198260B2/cs

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
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/38Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3819Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
    • C08G18/3823Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
    • C08G18/3831Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups containing urethane 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
    • C08G18/08Processes
    • C08G18/10Prepolymer 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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CS774513A 1976-07-09 1977-07-06 Method of preparing polyurethan foams CS198260B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25181/76A IT1064599B (it) 1976-07-09 1976-07-09 Polioli modificati

Publications (1)

Publication Number Publication Date
CS198260B2 true CS198260B2 (en) 1980-05-30

Family

ID=11215935

Family Applications (1)

Application Number Title Priority Date Filing Date
CS774513A CS198260B2 (en) 1976-07-09 1977-07-06 Method of preparing polyurethan foams

Country Status (16)

Country Link
US (1) US4120834A (hr)
JP (1) JPS539741A (hr)
BE (1) BE856610A (hr)
CA (1) CA1114990A (hr)
CS (1) CS198260B2 (hr)
DE (1) DE2731012A1 (hr)
DK (1) DK301677A (hr)
ES (1) ES460546A1 (hr)
FI (1) FI772100A (hr)
FR (1) FR2357590A1 (hr)
GB (1) GB1589583A (hr)
IT (1) IT1064599B (hr)
NL (1) NL7707427A (hr)
NO (1) NO145245C (hr)
SE (1) SE7707853L (hr)
SU (1) SU900816A3 (hr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834623A1 (de) * 1978-08-08 1980-02-28 Bayer Ag Stabilisierte fuellstoffsuspensionen in polyolen
US4288577A (en) * 1979-12-14 1981-09-08 E. I. Du Pont De Nemours And Company Novel urethanediols and polyurethanes therefrom
EP0045413A1 (en) * 1980-07-31 1982-02-10 Basf Wyandotte Corporation Flexible polyurethane foam compositions and methods for the preparation
DE3110724A1 (de) 1981-03-19 1982-10-07 Bayer Ag, 5090 Leverkusen Loesungen von oligourethan-ethern in polyetherpolyolen und deren verwendung in einem verfahren zur herstellung von polyurethan-schaumstoffen guter hochfrequenz-verschweissbarkeit und guter flammkaschierbarkeit
US4489177A (en) * 1983-12-29 1984-12-18 Olin Corporation Isocyanate-reactive compounds from TDI distillation residue and polyurethanes prepared therefrom
US4546122A (en) * 1984-08-06 1985-10-08 Mobay Chemical Corporation Flexible polyurethane foams
JPH0568409U (ja) * 1991-03-08 1993-09-17 日本利器工業株式会社 爪切器
CN105143296B (zh) 2013-02-25 2018-06-12 巴斯夫欧洲公司 通过引入脂族异氰酸酯降低基于聚合物多元醇的热塑性聚氨酯的变色
EP3498744A1 (de) * 2017-12-18 2019-06-19 Covestro Deutschland AG Flammgeschützte polyurethan-hartschaumstoffe
EP3498745A1 (de) * 2017-12-18 2019-06-19 Covestro Deutschland AG Flammgeschützte polyurethan-hartschaumstoffe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948691A (en) * 1951-05-10 1960-08-09 Mobay Chemical Corp High molecular weight polyether urethane polymers
BE589613A (hr) * 1959-04-10
GB1448933A (en) * 1974-02-14 1976-09-08 Shell Int Research Process for preparing polyurethane products

Also Published As

Publication number Publication date
IT1064599B (it) 1985-02-18
GB1589583A (en) 1981-05-13
BE856610A (fr) 1978-01-09
NO145245B (no) 1981-11-02
DE2731012A1 (de) 1978-01-12
SU900816A3 (ru) 1982-01-23
ES460546A1 (es) 1978-05-16
FI772100A (hr) 1978-01-10
US4120834A (en) 1978-10-17
FR2357590B1 (hr) 1980-03-14
SE7707853L (sv) 1978-01-10
DK301677A (da) 1978-01-10
NL7707427A (nl) 1978-01-11
FR2357590A1 (fr) 1978-02-03
NO772378L (no) 1978-01-10
CA1114990A (en) 1981-12-22
NO145245C (no) 1982-02-10
JPS539741A (en) 1978-01-28

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