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ES483664A1 - Procedimiento para la obtencion de elastomeros de poliureta-no-urea elasticos, transparentes - Google Patents

Procedimiento para la obtencion de elastomeros de poliureta-no-urea elasticos, transparentes

Info

Publication number
ES483664A1
ES483664A1 ES483664A ES483664A ES483664A1 ES 483664 A1 ES483664 A1 ES 483664A1 ES 483664 A ES483664 A ES 483664A ES 483664 A ES483664 A ES 483664A ES 483664 A1 ES483664 A1 ES 483664A1
Authority
ES
Spain
Prior art keywords
weight
toluylene
transparent
diisocyanate
molecular
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
ES483664A
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.)
BASF SE
Original Assignee
BASF SE
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6048088&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES483664(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Publication of ES483664A1 publication Critical patent/ES483664A1/es
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
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • 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

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

Procedimiento para la obtención de elastómeros de poliuretano- urea elásticos, transparentes, caracterizado porque se hace reaccionar A) prepolímeros conteniendo grupos isocianato y que constan de compuesto hidroxilo con pesas moleculares de 800 hasta 2500 y 2,4-toluileno-diisocianato o mezclas a partir de 2,4- toluileno-diisocianato y 2,6-toluileno-diisocianato con un contenido en 2,6-toluileno-diisocianato de menos del 45% en peso, referido al peso total de la mezcla; conteniendo el prepolímero un 2 hasta 8 por ciento en peso de grupos NCO, referido al peso del prepolímero, B)compuestos hidroxilo di hasta tetrafuncionales con un peso molecular de 400 hasta 8000, en los cuales al menos un 30% de los grupos OH son grupos hidroxilo primarios, así como en caso dado compuestos tri hasta hexafuncionales con pesos moleculares de 90 hasta 500 y C)4,4''-diamino-difenilmetanos primarios sustituidos en orto de la fórmula **(Fórmula)** en la cual R1, R2, R3 y R4 son iguales o diferentes y significan un radical alquilo con 1 hasta 3 átomos de carbono, en presencia de catalizadores a temperaturas de 10 hasta,75ºC, y se endurece el producto obtenido.
ES483664A 1978-08-28 1979-08-27 Procedimiento para la obtencion de elastomeros de poliureta-no-urea elasticos, transparentes Expired ES483664A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782837501 DE2837501A1 (de) 1978-08-28 1978-08-28 Transparente, elastische polyurethan-harnstoff-elastomere

Publications (1)

Publication Number Publication Date
ES483664A1 true ES483664A1 (es) 1980-04-16

Family

ID=6048088

Family Applications (1)

Application Number Title Priority Date Filing Date
ES483664A Expired ES483664A1 (es) 1978-08-28 1979-08-27 Procedimiento para la obtencion de elastomeros de poliureta-no-urea elasticos, transparentes

Country Status (3)

Country Link
EP (1) EP0009111B1 (es)
DE (2) DE2837501A1 (es)
ES (1) ES483664A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920501A1 (de) * 1979-05-21 1980-11-27 Bayer Ag Verfahren zur herstellung von polyurethanharnstoffelastomeren
US4581433A (en) * 1985-04-29 1986-04-08 Mobay Corporation Elastomer polyurethane-polyurea coatings based on bis(4-isocyanatocyclohexyl)methane
US5231159A (en) * 1990-12-27 1993-07-27 The Gates Rubber Company High temperature resistant molded elastomer
DK9700455U3 (da) * 1997-12-02 1997-12-29 Sirus Farzan indlægssål til sko
NL1010185C2 (nl) * 1998-09-25 2000-04-03 Bata Nederland Bv Veiligheidsschoen.
DE10041414A1 (de) * 2000-08-23 2002-03-07 Basf Ag Verfahren zur Herstellung von kompakten, transparenten Schuhteilen
WO2008025470A1 (de) * 2006-08-30 2008-03-06 Bayer Materialscience Ag Massive, nicht-geschäumte, transparente, elastomere formteile
JP6098031B2 (ja) * 2011-12-01 2017-03-22 東ソー株式会社 光学部材用ポリウレタン樹脂形成性組成物およびこれらからなる光学部品
IT201900021009A1 (it) 2019-11-12 2021-05-12 Liski S R L Puntale per pali da sci
IT201900021006A1 (it) 2019-11-12 2021-05-12 Liski S R L Puntale per pali da sci

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1240654B (de) * 1965-05-14 1967-05-18 Bayer Ag Verfahren zur Herstellung vernetzter Kunststoffe nach dem Isocyanat-Polyadditions-Verfahren
DE1694667A1 (de) * 1967-02-23 1971-02-18 Minnesota Mining & Mfg Fussmedizinisches Harz und Stuetzmittel
BE791310A (fr) * 1971-11-13 1973-05-14 Bayer Ag Procede de preparation de pieces moulees en mousse
DE2622951B2 (de) * 1976-05-21 1979-09-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von elastischen Fonnkörpern

Also Published As

Publication number Publication date
EP0009111A1 (de) 1980-04-02
DE2837501A1 (de) 1980-03-20
EP0009111B1 (de) 1983-02-16
DE2964815D1 (en) 1983-03-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203