ES8307841A1 - Procedimiento para preparar una sal aminica de prepolimero de poliuretano. - Google Patents

Procedimiento para preparar una sal aminica de prepolimero de poliuretano.

Info

Publication number
ES8307841A1
ES8307841A1 ES509801A ES509801A ES8307841A1 ES 8307841 A1 ES8307841 A1 ES 8307841A1 ES 509801 A ES509801 A ES 509801A ES 509801 A ES509801 A ES 509801A ES 8307841 A1 ES8307841 A1 ES 8307841A1
Authority
ES
Spain
Prior art keywords
paper
tensile strength
wet tensile
improving wet
amine salt
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
ES509801A
Other languages
English (en)
Other versions
ES509801A0 (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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of ES509801A0 publication Critical patent/ES509801A0/es
Publication of ES8307841A1 publication Critical patent/ES8307841A1/es
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/57—Polyureas; Polyurethanes
    • 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
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
    • C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
    • 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
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Paper (AREA)

Abstract

PROCEDIMIENTO PARA PREPARAR UNA SAL AMINICA DE PREPOLIMERO DE POLIURETANO. COMPRENDE LAS SIGUIENTES ETAPAS: PRIMERA, SE HACE REACCIONAR UN PREPOLIMERO TERMINADO EN ISOCIANATO CON UN 0,8 A 1,2 EQUIVALENTES DE UNA CETOXIMA, PARA FORMAR UN PREPOLIMERO BLOQUEADO POR OXIMA; SEGUNDA, SE HACE REACCIONAR EL PREPOLIMERO BLOQUEADO CON OXIMA CON UNA AMINA POLIFUNCIONAL QUE CONTIENE AL MENOS DOS GRUPOS FUNCIONALES Y QUE ES CAPAZ DE CAUSAR EL CURADO DE LOS POLIMEROS DE POLIURETANO A BAJAS TEMPERATURAS, PARA FORMAR UN PRODUCTO DE REACCION AMINICO; TERCERA, SE HACE REACCIONAR EL PRODUCTO AMINICO CON UN ACIDO PARA FORMAR UNA SAL AMINICA DE PREPOLIMERO DE POLIURETANO QUE ES CURABLE A BAJA TEMPERATURA; Y POR ULTIMO, SE AJUSTA EL PH DE DICHA SAL DE PREPOLIMERO DE POLIURETANO A UN VALOR COMPRENDIDO ENTRE 6 Y 9.
ES509801A 1981-02-23 1982-02-22 Procedimiento para preparar una sal aminica de prepolimero de poliuretano. Expired ES8307841A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23732481A 1981-02-23 1981-02-23

Publications (2)

Publication Number Publication Date
ES509801A0 ES509801A0 (es) 1983-08-01
ES8307841A1 true ES8307841A1 (es) 1983-08-01

Family

ID=22893258

Family Applications (1)

Application Number Title Priority Date Filing Date
ES509801A Expired ES8307841A1 (es) 1981-02-23 1982-02-22 Procedimiento para preparar una sal aminica de prepolimero de poliuretano.

Country Status (8)

Country Link
CA (1) CA1187659A (es)
DE (1) DE3205966A1 (es)
ES (1) ES8307841A1 (es)
FI (1) FI820446L (es)
FR (1) FR2500499A1 (es)
GB (1) GB2093491A (es)
IT (1) IT1147614B (es)
SE (1) SE8200472L (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2353005A1 (en) 2000-08-01 2002-02-01 Dai-Ichi Kogyo Seiyaku Co., Ltd. Blocked urethane prepolymers as paper wet strength agent
JP2003138497A (ja) * 2001-10-31 2003-05-14 Dai Ichi Kogyo Seiyaku Co Ltd 湿潤紙力増強剤
CN110982029B (zh) * 2019-11-21 2022-04-22 万华化学集团股份有限公司 一种用于水性太空革贝斯的水性聚氨酯树脂乳液及其制备方法、水性太空革贝斯及制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2400490C2 (de) * 1974-01-05 1982-06-03 Akzo Gmbh, 5600 Wuppertal Kationische Polyurethane und Verfahren zu deren Herstellung
DE2537653B2 (de) * 1975-08-23 1977-10-27 Bayer Ag, 5090 Leverkusen Papierleimungsmittel und verfahren zur papierleimung
DE3015143A1 (de) * 1979-04-30 1980-11-06 Grace W R & Co Polyurethanpolymere in waessrigem medium und verfahren zu deren herstellung
DE3102038A1 (de) * 1980-01-28 1981-12-10 W.R. Grace & Co., 02140 Cambridge, Mass. Polyurethanpolymeraminsalz als papieradditiv

Also Published As

Publication number Publication date
GB2093491A (en) 1982-09-02
SE8200472L (sv) 1982-08-24
IT1147614B (it) 1986-11-19
DE3205966A1 (de) 1982-09-09
FR2500499A1 (fr) 1982-08-27
CA1187659A (en) 1985-05-28
IT8247794A0 (it) 1982-02-15
FI820446L (fi) 1982-08-24
ES509801A0 (es) 1983-08-01

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