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RU2017134962A - Система связующих веществ на основе полиуретана - Google Patents

Система связующих веществ на основе полиуретана Download PDF

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RU2017134962A
RU2017134962A RU2017134962A RU2017134962A RU2017134962A RU 2017134962 A RU2017134962 A RU 2017134962A RU 2017134962 A RU2017134962 A RU 2017134962A RU 2017134962 A RU2017134962 A RU 2017134962A RU 2017134962 A RU2017134962 A RU 2017134962A
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diamine
binders
paragraphs
isocyanate
curing component
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RU2017134962A
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RU2017134962A3 (ru
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Марсель БЛОДАУ
Андре Те ПОЭЛЬ
Клаудиа МЕККЕЛЬ-ЙОНАС
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Хенкель Аг Унд Ко. Кгаа
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Publication of RU2017134962A publication Critical patent/RU2017134962A/ru
Publication of RU2017134962A3 publication Critical patent/RU2017134962A3/ru

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Claims (23)

1. Система связующих веществ, содержащая:
(i) полимерный компонент, содержащий по меньшей мере один оканчивающийся изоцианатом полиуретановый преполимер; и
(ii) отверждающий компонент, который содержит по меньшей мере один алкоксилированный диамин.
2. Система связующих веществ по п. 1, отличающаяся тем, что по меньшей мере один алкоксиированный диамин представляет собой простой полиэфирполиол, который получают полимеризацией этиленоксида и/или пропиленоксида с применением диамина в качестве инициатора, в частности представляет собой этоксилированный и/или пропоксилированный алкилендиамин.
3. Система связующих веществ по п. 2, отличающаяся тем, что, диамин выбирают из этилендиамина, N,N-диметилэтилендиамина, N,N’ -диметилэтилендиамина, пропилендиамина, тетраметилендиамина, гексаметилендиамина, 2,4-толуилендиамина, 2,6-толуилендиамина, дифенилметан-2,2'-диамина, дифенилметан-2,4'-диамина, дифенилметан-4,4'-диамина, изофорондиамина, дициклогексилметан-4,4'-диамина и ксилилендиамина, предпочтительно из этилендиамина, N,N -диметилэтилендиамина и N,N ’-диметилэтилендиамина, особенно предпочтительно этилендиамина.
4. Система связующих веществ по одному из пп. 1-3, отличающаяся тем, что по меньшей мере один алкоксилированный диамин представляет собой соединение формулы I:
H-[О-CHR-CH2]m-NR'-(CH2)n-NR'-[CH2-CHR-О]m-H (I)
при этом
каждый R независимо от других выбирают из H, CH3 и CH2-CH3, предпочтительно H и CH3, особенно предпочтительно CH3;
каждый R' независимо от других выбирают из H и -[CH2-CHR-О]m-H, предпочтительно -[CH2-CHR-О]m-H;
каждое m независимо от других представляет собой целое число от 1 до 10, предпочтительно от 1 до 4, еще предпочтительнее от 1 до 2;
n представляет собой целое число от 1 до 10, предпочтительно от 1 до 6, особенно предпочтительно от 2 до 4, наиболее предпочтительно 2.
5. Система связующих веществ по п. 4, отличающаяся тем, что по меньшей мере один алкоксилированный диамин представляет собой пропоксилированный или этоксилированный/пропоксилированный этилендиамин со звеньями элементами пропиленоксида/этиленоксида в количестве от 2 до 8 звеньев на элемент этилендиамина.
6. Система связующих веществ по одному из пп. 1-5, отличающаяся тем, что отверждающий компонент содержит по меньшей мере один алкоксилированный диамин в количестве от 0,5 до 20 масс.%, в частности от 1 до 10 масс.%, по отношению к отверждающему компоненту.
7. Система связующих веществ по одному из пп. 1-6, отличающаяся тем, что отверждающий компонент дополнительно содержит по меньшей мере один полиол, в частности по меньшей мере один ди- и/или трифункциональный простой полиэфирполиол.
8. Система связующих веществ по одному из пп. 1-7, отличающаяся тем, что оканчивающийся изоцианатом полиуретановый преполимер содержит ароматические изоцианатные группы, в частности группы метилендифенилдиизоцианата - (MDI)-группы, и, необязательно, ароматические мономеры полиизоцианата, в частности ароматические мономеры диизоцианата.
9. Система связующих веществ по одному из пп. 1-8, отличающаяся тем, что оканчивающийся изоцианатом полиуретановый преполимер имеет основную цепь полимера из сложного полиэфира/простого полиэфира.
10. Система связующих веществ по пп. 1-9, отличающаяся тем, что оканчивающийся изоцианатом полиуретановый преполимер не имеет основной цепи полимера из простого полиэфира, содержащего инициированный амином простой полиэфир.
11. Способ получения клея/герметика с применением системы связующих веществ по одному из пп. 1-10, отличающийся тем, что смешивают полимерный компонент с отверждающим компонентом при отношении изоцианатных групп к NCO-реакционноспособным группам от 1:1 до 4:1, предпочтительно от 1:1 до 3:1, более предпочтительно от 1,2:1 до 2,5:1 и в частности предпочтительно от 1,2:1 до 1,8:1.
12. Способ получения комбинированной пленки, отличающийся тем, что по меньшей мере две одинаковые или различные полимерные пленки склеивают частично или полностью с применением системы связующих веществ по одному из пп. 1-10.
13. Комбинированная пленка, полученная способом по п. 12.
14. Применение системы связующих веществ по одному из пп. 1-10 в композиции клея для получения содержащего небольшое количество мигрантов клеевого соединения между подложками, при этом подложки предпочтительно представляют собой пленочные подложки, особенно предпочтительно представляют собой полимерные пленки.
15. Применение композиции, которая содержит по меньшей мере один алкоксилированный диамин в количестве от 0,5 до 20 масс.%, в частности от 1 до 10 масс.%, и по меньшей мере один полиол в количестве от 80 до 99,5 масс.%, предпочтительно от 90 до 99 масс.%, по отношению к смеси полиолов, в качестве отверждающего компонента в композиции клея на основе полиуретанового преполимера, который оканчивается ароматическим изоцианатом, для получения содержащего небольшое количество мигрантов клеевого соединения между подложками, при этом подложки предпочтительно представляют собой пленочные подложки, особенно предпочтительно представляют собой полимерные пленки.
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