BR9808774A - Processo para preparar uma composição fluoroquìmica, composição fluoroquìmica, uso da mesma, processo de tratamento de um substrato, e, substrato - Google Patents

Processo para preparar uma composição fluoroquìmica, composição fluoroquìmica, uso da mesma, processo de tratamento de um substrato, e, substrato

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Publication number
BR9808774A
BR9808774A BR9808774-6A BR9808774A BR9808774A BR 9808774 A BR9808774 A BR 9808774A BR 9808774 A BR9808774 A BR 9808774A BR 9808774 A BR9808774 A BR 9808774A
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BR
Brazil
Prior art keywords
fluorochemical composition
substrate
fluorochemical
same
fluorine
Prior art date
Application number
BR9808774-6A
Other languages
English (en)
Inventor
Kathy E M L A Allewaert
Frans A Audenaert
Pierre J Vander Elst
Original Assignee
Minnesota Mining & Mfg
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Publication date
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR9808774A publication Critical patent/BR9808774A/pt

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Abstract

"PROCESSO PARA PREPARAR UMA COMPOSIçãO FLUOROQUìMICA, COMPOSIçãO FLUOROQUìMICA, USO DA MESMA, PROCESSO DE TRATAMENTO DE UM SUBSTRATO, E, SUBSTRATO"A presente invenção fornece um processo para preparar uma composição fluoroquímica compreendendo poliuretano por reação de : (A) oligómero fluoroquímico de fórmula (I): M^ f^ ~ m~M~ n~-Q^ 1^-T^ 1^ em que: M^ f^ ~ m~M~ n~ representa um oligómero fluoroquímico compreendendo m unidades derivadas a partir de monómero fluorado e n unidades derivadas a partir de monómero isento de flúor, e em que os monómeros fluorados e monómeros isentos de flúor podem ser o mesmo ou diferentes; m representa um valor de 2 a 40 ; n representa um valor de 0 a 20; T^ 1^ é -OH ou -NH~ 2~; Q^ 1^ e T^ 1^ representam conjuntamente um resíduo orgânico obtido por remoção de um átomo de hidrogênio a partir de um agente de transferência de cadeia que é funcionalizado com T^ 1^; e (B) composto difuncional capaz de reagir com um isocianato e compreendendo um grupo poli(oxialquileno) tendo 18 a 280 porções oxialquileno com (C) diisocianato ou triisocianato. Substratos, tratados com a composição fluoroquímica preparada de acordo com o processo acima descrito, possuem boas propriedades de liberação de mancha, em particular para manchas oleosas e manchas à base de água, tais que vinho, chá e café.
BR9808774-6A 1997-05-14 1998-05-14 Processo para preparar uma composição fluoroquìmica, composição fluoroquìmica, uso da mesma, processo de tratamento de um substrato, e, substrato BR9808774A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97201388 1997-05-14
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KR20010012510A (ko) 2001-02-15
KR20010012509A (ko) 2001-02-15
EP0981560B1 (en) 2001-11-07
DE69802395D1 (de) 2001-12-13
DE69807684T2 (de) 2003-06-05
JP2001525874A (ja) 2001-12-11
JP2002504938A (ja) 2002-02-12
DE69801323T2 (de) 2002-07-25
WO1998051725A1 (en) 1998-11-19
AU7487998A (en) 1998-12-08
EP0981560A1 (en) 2000-03-01
EP0981561B1 (en) 2001-08-08
CN1165560C (zh) 2004-09-08
KR20010012512A (ko) 2001-02-15
BR9808778A (pt) 2000-08-01
DE69802395T2 (de) 2002-07-11
EP0981562A1 (en) 2000-03-01
WO1998051723A1 (en) 1998-11-19
EP0981562B1 (en) 2002-09-04
AU7487698A (en) 1998-12-08
CN1255929A (zh) 2000-06-07
WO1998051724A1 (en) 1998-11-19
CN1255931A (zh) 2000-06-07
DE69801323D1 (de) 2001-09-13
EP0981561A1 (en) 2000-03-01
DE69807684D1 (de) 2002-10-10
AU7485598A (en) 1998-12-08
CN1255930A (zh) 2000-06-07
BR9808768A (pt) 2000-08-01
JP2001525871A (ja) 2001-12-11

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