ES459062A1 - Procedimiento para la preparacion de piezas moldeadas maci- zas de material sintetico. - Google Patents

Procedimiento para la preparacion de piezas moldeadas maci- zas de material sintetico.

Info

Publication number
ES459062A1
ES459062A1 ES459062A ES459062A ES459062A1 ES 459062 A1 ES459062 A1 ES 459062A1 ES 459062 A ES459062 A ES 459062A ES 459062 A ES459062 A ES 459062A ES 459062 A1 ES459062 A1 ES 459062A1
Authority
ES
Spain
Prior art keywords
diisocyanatodiphenylmethane
solvent
mixture containing
insulations
free production
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
ES459062A
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 ES459062A1 publication Critical patent/ES459062A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea
    • 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
    • C08G18/08—Processes
    • 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
    • C08G18/74—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
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Sealing Material Composition (AREA)
  • Organic Insulating Materials (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

Procedimiento para la preparación de piezas moldeadas macizas de material sintético, masas de colada y aislamientos a base de poliuretano, caracterizado porque poliisocianatos se hacen reaccionar con compuestos polihidroxílicos, en caso dado en presencia de los agentes auxiliares y aditivos usuales en la química de los poliuretanos, empleándose como poliisocianato una mezcla de poliisocianato conteniendo 10 ¿ 80% en peso de 2,4¿ ¿diisocianato-difenilmetano.
ES459062A 1976-05-25 1977-05-24 Procedimiento para la preparacion de piezas moldeadas maci- zas de material sintetico. Expired ES459062A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2623401A DE2623401C3 (de) 1976-05-25 1976-05-25 Verfahren zur lösungsmittelfreien Herstellung von massiven Kunststoff-Formteilen

Publications (1)

Publication Number Publication Date
ES459062A1 true ES459062A1 (es) 1978-04-01

Family

ID=5978955

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459062A Expired ES459062A1 (es) 1976-05-25 1977-05-24 Procedimiento para la preparacion de piezas moldeadas maci- zas de material sintetico.

Country Status (14)

Country Link
US (1) US4163095A (es)
JP (1) JPS5934728B2 (es)
AT (1) AT357765B (es)
AU (1) AU502460B2 (es)
BE (1) BE854953A (es)
CA (1) CA1108796A (es)
CH (1) CH624969A5 (es)
DE (1) DE2623401C3 (es)
ES (1) ES459062A1 (es)
FR (1) FR2352846A1 (es)
GB (1) GB1574756A (es)
IT (1) IT1084067B (es)
NL (1) NL184006C (es)
SE (1) SE437378B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928182A1 (de) * 1979-07-12 1981-01-29 Bayer Ag Verfahren zur herstellung von elastischen, gegebenenfalls zellfoermigen, polyurethanharnstoffen
DE3042821A1 (de) * 1980-11-13 1982-06-09 Bayer Ag, 5090 Leverkusen Verfahren zum abdichten von bauwerken
DE3216363A1 (de) * 1982-05-03 1983-11-03 Basf Ag, 6700 Ludwigshafen Verfahren zum verleimen von lignocellulosehaltigen rohstoffen mit einem praepolymeren auf basis eines urethanmodifizierten diphenylmethandiisocyanatgemisches
DE3241450A1 (de) * 1982-11-10 1984-05-10 Basf Ag, 6700 Ludwigshafen Fluessige urethangruppen enthaltende polyisocyanatmischungen auf diphenylmethan-diisocyanat-basis, verfahren zu deren herstellung und deren verwendung zur herstellung von polyurethan-weichschaumstoffen
US4448904A (en) * 1983-06-08 1984-05-15 Texaco Inc. Reaction injection molded elastomer using a methylene bis(phenyliscoyanate) containing 2,4' isomer in amounts greater than about 10 percent
US4622361A (en) * 1985-03-29 1986-11-11 Union Carbide Corporation Flame retarded high modulus polyurethane elastomers and method of making same
DE3524333A1 (de) * 1985-07-08 1987-01-08 Basf Ag Polyurethan-klebstoff-mischungen
US4900760A (en) * 1987-06-16 1990-02-13 Mobay Corporation Flexible polyurethane foam prepared from a novel polyisocyanate mixture
US4822517A (en) * 1987-06-16 1989-04-18 Mobay Corporation Novel polyisocyanate mixture
EP1879469B1 (en) * 2005-05-11 2011-11-09 Hill's Pet Nutrition, Inc. Methods for enhancing palatability of compositions for animal consumption
JP6157709B1 (ja) * 2016-09-30 2017-07-05 サンユレック株式会社 ポリウレタン樹脂組成物
CN109280365B (zh) * 2018-09-13 2021-02-09 北京理工大学 一种超特高压用轻质绝缘子芯体的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB731071A (en) * 1951-07-19 1955-06-01 Du Pont Preparation of elastomers from polyalkylene ether glycols and diisocyanates
BE639351A (es) * 1963-06-13
USB334162I5 (es) * 1964-01-02
US3362979A (en) * 1964-01-02 1968-01-09 Jefferson Chem Co Inc Mixtures of methylene-bridged polyphenyl polyisocyanates
DE1557058B2 (de) * 1966-05-06 1970-07-23 Bayer Ag Vorrichtung zum kontinuierlichen Mischen und Homogenisieren von viskosen Fluessigkeiten oder Fluessigkeiten mit pulverfoermigen Stoffen
GB1279415A (en) * 1969-01-09 1972-06-28 Ici Ltd New polymerisation process
DE1922626C3 (de) * 1969-05-03 1983-01-13 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Bindemitteln
DE1923214B2 (de) * 1969-05-07 1973-08-02 Verfahren zur gleichzeitigen herstellung von reinem 4,4'-diphenylmethandiisocyanat und einem polyphenyl-polymethylen-polyisocyanatgemisch, polyphenylpolymethylen-polyisocyanate und deren verwendung zur herstellung von polyurethanlacken
US3676380A (en) * 1969-05-19 1972-07-11 Upjohn Co Low friability polyisocyanurate foams
BE787208A (fr) * 1971-08-07 1973-02-05 Bayer Ag Melanges reagissant en donnant des couches collantes de contact
AT333037B (de) * 1973-05-02 1976-10-25 Beck & Co Ag Dr Verfahren zur herstellung von losungsmittelfreien polyurethanreaktionsmassen
DE2447627C3 (de) * 1974-10-05 1980-06-26 Dr. Rudolf Kuerner Chemische Spezialprodukte Inh. Dr. Rudolf Kuerner, 6380 Bad Homburg Antimikrobielles Präparat
DE2447625C3 (de) * 1974-10-05 1978-11-02 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung elastischer Flächengebilde

Also Published As

Publication number Publication date
SE7706065L (sv) 1977-11-26
GB1574756A (en) 1980-09-10
SE437378B (sv) 1985-02-25
DE2623401B2 (de) 1978-12-07
AU502460B2 (en) 1979-07-26
NL7705705A (nl) 1977-11-29
FR2352846A1 (fr) 1977-12-23
BE854953A (fr) 1977-11-24
DE2623401C3 (de) 1981-07-16
CA1108796A (en) 1981-09-08
NL184006B (nl) 1988-10-17
US4163095A (en) 1979-07-31
NL184006C (nl) 1989-03-16
CH624969A5 (es) 1981-08-31
IT1084067B (it) 1985-05-25
JPS5934728B2 (ja) 1984-08-24
FR2352846B1 (es) 1984-06-08
AT357765B (de) 1980-07-25
ATA366177A (de) 1979-12-15
AU2544277A (en) 1978-11-30
DE2623401A1 (de) 1977-12-01
JPS52144096A (en) 1977-12-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990601