ES2052798T3 - Procedimiento para la preparacion de emulsiones acuosas de poliisocianatos. - Google Patents

Procedimiento para la preparacion de emulsiones acuosas de poliisocianatos.

Info

Publication number
ES2052798T3
ES2052798T3 ES89105477T ES89105477T ES2052798T3 ES 2052798 T3 ES2052798 T3 ES 2052798T3 ES 89105477 T ES89105477 T ES 89105477T ES 89105477 T ES89105477 T ES 89105477T ES 2052798 T3 ES2052798 T3 ES 2052798T3
Authority
ES
Spain
Prior art keywords
procedure
preparation
polyisocyanates
aqueous emulsions
polyisocyanate
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 - Lifetime
Application number
ES89105477T
Other languages
English (en)
Inventor
Agostino Lepori
Domenico Camaioni
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.)
Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST)
Original Assignee
Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST)
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 Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST) filed Critical Ministero dell Universita e della Ricerca Scientifica e Tecnologica (MURST)
Application granted granted Critical
Publication of ES2052798T3 publication Critical patent/ES2052798T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08G18/703—Isocyanates or isothiocyanates transformed in a latent form by physical means
    • C08G18/705—Dispersions of isocyanates or isothiocyanates in a liquid medium
    • C08G18/706—Dispersions of isocyanates or isothiocyanates in a liquid medium the liquid medium being water
    • 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
    • C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
    • C08G18/6484—Polysaccharides and derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse

Abstract

Procedimiento para la preparación de emulsiones acuosas de poliisocianato, que comprende disolver un derivado de celulosa en agua, y luego adicionar por lo menos un poliisocianato a temperatura constante, con una velocidad de agitación superior a 8000 revoluciones por minuto y durante cortos tiempos dentro de la gama de 5 a 60 segundos.
ES89105477T 1988-03-30 1989-03-28 Procedimiento para la preparacion de emulsiones acuosas de poliisocianatos. Expired - Lifetime ES2052798T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20027/88A IT1218202B (it) 1988-03-30 1988-03-30 Emulsioni acquose di poliisocianati e procedimento per la loro preparazione

Publications (1)

Publication Number Publication Date
ES2052798T3 true ES2052798T3 (es) 1994-07-16

Family

ID=11163227

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89105477T Expired - Lifetime ES2052798T3 (es) 1988-03-30 1989-03-28 Procedimiento para la preparacion de emulsiones acuosas de poliisocianatos.

Country Status (6)

Country Link
US (2) US5108507A (es)
EP (1) EP0335342B1 (es)
CA (1) CA1338073C (es)
DE (1) DE68903518T2 (es)
ES (1) ES2052798T3 (es)
IT (1) IT1218202B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1218202B (it) * 1988-03-30 1990-04-12 Mini Ricerca Scient Tecnolog Emulsioni acquose di poliisocianati e procedimento per la loro preparazione
IT1244866B (it) * 1990-07-03 1994-09-12 Mini Ricerca Scient Tecnolog Procedimento per la preparazione di emulsioni acquose di poliisocianati ed emulsioni cosi' ottenute
US5411691A (en) * 1994-02-09 1995-05-02 Kuo-Chung Chang-Chien Method of manufacturing containers from husks
EP3865268A1 (en) 2014-12-23 2021-08-18 Ecosynthetix Inc. Biopolymer and isocyanate based binder and composite material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027871B2 (es) * 1973-01-18 1975-09-10
DE2357079C2 (de) * 1973-11-15 1982-07-29 Hoechst Ag, 6000 Frankfurt Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern
DE2520337A1 (de) * 1975-05-07 1976-11-18 Hoechst Ag Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern
DE2520336A1 (de) * 1975-05-07 1976-11-18 Hoechst Ag Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern
DE2831674A1 (de) * 1978-07-19 1980-02-07 Basf Ag Waessrige isocyanat-emulsionen fuer die verleimung von spanplatten
IT1218202B (it) * 1988-03-30 1990-04-12 Mini Ricerca Scient Tecnolog Emulsioni acquose di poliisocianati e procedimento per la loro preparazione

Also Published As

Publication number Publication date
IT8820027A0 (it) 1988-03-30
DE68903518D1 (de) 1992-12-24
DE68903518T2 (de) 1993-05-19
CA1338073C (en) 1996-02-20
EP0335342B1 (en) 1992-11-19
IT1218202B (it) 1990-04-12
US5108507A (en) 1992-04-28
EP0335342A1 (en) 1989-10-04
US5181958A (en) 1993-01-26

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