ES403448A1 - Process for the production of foams - Google Patents

Process for the production of foams

Info

Publication number
ES403448A1
ES403448A1 ES403448A ES403448A ES403448A1 ES 403448 A1 ES403448 A1 ES 403448A1 ES 403448 A ES403448 A ES 403448A ES 403448 A ES403448 A ES 403448A ES 403448 A1 ES403448 A1 ES 403448A1
Authority
ES
Spain
Prior art keywords
groups
weight
parts
water
polyisocyanates
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
ES403448A
Other languages
Spanish (es)
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 ES403448A1 publication Critical patent/ES403448A1/en
Expired legal-status Critical Current

Links

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
    • 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
    • C08G18/487—Polyethers containing cyclic groups
    • C08G18/4879—Polyethers containing cyclic groups containing aromatic 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
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7837—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing allophanate groups

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)

Abstract

Procedure for obtaining inflammation-resistant hard foamed materials containing urethane groups, characterized in that solutions of polyethers bearing hydroxyl groups, polyisocyanates carrying allophanate groups, water and other blowing agents, catalysts and, in case given, further adjuvants, said polylinear, preferably initiated with aromatics, having a molecular weight of 150-750 preferably 200-600 and said polyisocyanates containing nalophanate groups, those with at least 3 NCO groups and said blowing agent, represents at least 0.5 parts by weight, per 100 parts by weight of polyether, of water. (Machine-translation by Google Translate, not legally binding)
ES403448A 1971-06-03 1972-06-02 Process for the production of foams Expired ES403448A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712127503 DE2127503A1 (en) 1971-06-03 1971-06-03 Process for the production of foams

Publications (1)

Publication Number Publication Date
ES403448A1 true ES403448A1 (en) 1975-04-16

Family

ID=5809683

Family Applications (1)

Application Number Title Priority Date Filing Date
ES403448A Expired ES403448A1 (en) 1971-06-03 1972-06-02 Process for the production of foams

Country Status (9)

Country Link
JP (1) JPS544396B1 (en)
BE (1) BE784330A (en)
BR (1) BR7203587D0 (en)
DE (1) DE2127503A1 (en)
ES (1) ES403448A1 (en)
FR (1) FR2140226B1 (en)
GB (1) GB1358519A (en)
IT (1) IT958139B (en)
NL (1) NL7207535A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3825147A1 (en) * 1988-07-23 1990-03-08 Bayer Ag METHOD FOR PRODUCING POLYURETHANE FOAMS
EP3917982B1 (en) * 2019-01-31 2023-02-01 Dow Global Technologies LLC Isocyanate reactive compositions
WO2022096390A1 (en) * 2020-11-06 2022-05-12 Covestro Deutschland Ag Method for producing a polyol mixture
CN121319327B (en) * 2025-12-16 2026-05-26 山东一诺威新材料有限公司 Reactive Low-Temperature Reinforcing Materials for Mines, Their Preparation Methods and Applications

Also Published As

Publication number Publication date
DE2127503A1 (en) 1972-12-28
JPS544396B1 (en) 1979-03-06
GB1358519A (en) 1974-07-03
NL7207535A (en) 1972-12-05
IT958139B (en) 1973-10-20
FR2140226A1 (en) 1973-01-12
BR7203587D0 (en) 1973-05-10
FR2140226B1 (en) 1977-12-23
BE784330A (en) 1972-12-04

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