RU2015103989A - Отвердитель для краски на основе полиуретана и способ ее нанесения - Google Patents

Отвердитель для краски на основе полиуретана и способ ее нанесения Download PDF

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RU2015103989A
RU2015103989A RU2015103989A RU2015103989A RU2015103989A RU 2015103989 A RU2015103989 A RU 2015103989A RU 2015103989 A RU2015103989 A RU 2015103989A RU 2015103989 A RU2015103989 A RU 2015103989A RU 2015103989 A RU2015103989 A RU 2015103989A
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active hydrogen
coating
hardener
paint
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RU2015103989A
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Томокацу СИГЕМОРИ
Хироси МОРИТА
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Байер Матириальсайенс Аг
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Priority claimed from JP2012247541A external-priority patent/JP5280580B1/ja
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Abstract

1. Способ нанесения сырого покрытия на подложку, в котором наносят по меньшей мере одну краску основного покрытия на водной основе без ее отверждения сшивкой, далее на основное покрытие наносят краску прозрачного покрытия, включающую отвердитель и смолу, содержащую активный водород, затем основное покрытие и прозрачное покрытие одновременно отверждают сшивкой, отличающийся тем, что краска прозрачного покрытия представляет собой двухкомпонентную полиуретановую краску с молярным соотношением от 0,9 до 2,0 в NCO/H (активный водород), при этом(1) отвердитель включает продукт взаимодействия (i) производного 1,6-гексаметилендиизоцианата, включающего тример и фактически не включающего диизоцианатный мономер, и (ii) соединения, содержащего как активный водород, так и гидрофильную группу; и(2) вязкость отвердителя, когда он не разбавлен никаким органическим растворителем, составляет не более чем 1000 МПа·с/23°C.2. Способ нанесения по п. 1, в котором соединение, содержащее как активный водород, так и гидрофильную группу, представляет собой соединение, содержащее группу, включающую активный водород, и сульфогруппу, представленную формулой (I), при этом сульфогруппу в отвердителе нейтрализуют третичным амином, а формула (I) имеет видX-R-SOH,где X представляет собой аминогруппу, алкиламиногруппу, циклоалкиламиногруппу или гидроксильную группу, R представляет собой алифатическую и/или алициклическую углеводородную группу.3. Способ нанесения по п. 2, в котором соединение, представленное формулой (I), представляет собой 2-(циклогексиламино)-этансульфоновую кислоту и/или 3-(циклогексиламино)-пропансульфоновую кислоту.4. Способ нанесения по п. 1, отличающийся тем, что краска основного покрытия

Claims (7)

1. Способ нанесения сырого покрытия на подложку, в котором наносят по меньшей мере одну краску основного покрытия на водной основе без ее отверждения сшивкой, далее на основное покрытие наносят краску прозрачного покрытия, включающую отвердитель и смолу, содержащую активный водород, затем основное покрытие и прозрачное покрытие одновременно отверждают сшивкой, отличающийся тем, что краска прозрачного покрытия представляет собой двухкомпонентную полиуретановую краску с молярным соотношением от 0,9 до 2,0 в NCO/H (активный водород), при этом
(1) отвердитель включает продукт взаимодействия (i) производного 1,6-гексаметилендиизоцианата, включающего тример и фактически не включающего диизоцианатный мономер, и (ii) соединения, содержащего как активный водород, так и гидрофильную группу; и
(2) вязкость отвердителя, когда он не разбавлен никаким органическим растворителем, составляет не более чем 1000 МПа·с/23°C.
2. Способ нанесения по п. 1, в котором соединение, содержащее как активный водород, так и гидрофильную группу, представляет собой соединение, содержащее группу, включающую активный водород, и сульфогруппу, представленную формулой (I), при этом сульфогруппу в отвердителе нейтрализуют третичным амином, а формула (I) имеет вид
X-R-SO3H,
где X представляет собой аминогруппу, алкиламиногруппу, циклоалкиламиногруппу или гидроксильную группу, R представляет собой алифатическую и/или алициклическую углеводородную группу.
3. Способ нанесения по п. 2, в котором соединение, представленное формулой (I), представляет собой 2-(циклогексиламино)-этансульфоновую кислоту и/или 3-(циклогексиламино)-пропансульфоновую кислоту.
4. Способ нанесения по п. 1, отличающийся тем, что краска основного покрытия на водной основе представляет собой обжигаемый тип краски на водной основе, содержащей активный водород.
5. Способ нанесения по любому одному из пп. 1-4, в котором количество тримеров 1,6-гексаметилендиизоцианата в производном 1,6-гексаметилендиизоцианата составляет 55 мас.% или более.
6. Отвердитель по п. 1 для краски прозрачного покрытия, который применяют в способе по любому одному из пп. 1-5.
7. Многослойная покрытая пленка, состоящая из слоя основного покрытия и слоя прозрачного покрытия, которую получают способом по любому одному из пп. 1-5.
RU2015103989A 2012-07-09 2013-07-03 Отвердитель для краски на основе полиуретана и способ ее нанесения RU2015103989A (ru)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2012153298A JP5112570B1 (ja) 2012-07-09 2012-07-09 塗装方法およびポリウレタン塗料用硬化剤
JP2012-153298 2012-07-09
JP2012247541A JP5280580B1 (ja) 2012-11-09 2012-11-09 塗装方法およびポリウレタン塗料用硬化剤
JP2012-247541 2012-11-09
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KR102192652B1 (ko) 2020-12-17
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MX2015000298A (es) 2015-04-10
CA2878407A1 (en) 2014-01-16
HK1203442A1 (en) 2015-10-30
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EP2869940A1 (en) 2015-05-13
CA2878428A1 (en) 2014-01-16
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KR102192657B1 (ko) 2020-12-17
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CN104487177A (zh) 2015-04-01
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RU2015103987A (ru) 2016-08-27
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