RU2012112932A - Усовершенствованные композитные материалы - Google Patents

Усовершенствованные композитные материалы Download PDF

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RU2012112932A
RU2012112932A RU2012112932/05A RU2012112932A RU2012112932A RU 2012112932 A RU2012112932 A RU 2012112932A RU 2012112932/05 A RU2012112932/05 A RU 2012112932/05A RU 2012112932 A RU2012112932 A RU 2012112932A RU 2012112932 A RU2012112932 A RU 2012112932A
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prepreg
resin
particles
glassy carbon
prepreg according
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Джон КОЗ
Мартин СИММОНС
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Хексел Композитс Лимитед
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Abstract

1. Отверждаемый препрег, включающий структурный слой электропроводящих волокон и первый внешний слой термореактивной смолы, причем слой смолы включает термопластичные частицы и стеклоуглеродные частицы.2. Препрег по п.1, который включает второй внешний слой смолы, образующий лицевую поверхность препрега, которую не образует первый внешний слой.3. Препрег по п.1 или 2, в котором полная толщина первого и, если он присутствует, второго внешнего слоя смолы составляет от 15 до 50 мкм.4. Препрег по п.1 или 2, в котором термопластичные частицы включают полиамид.5. Препрег по п.4, в котором термопластичные частицы включают полиамид 6, полиамид 6/12, полиамид 12 или их смеси.6. Препрег по п.1 или 2, в котором термопластичные частицы присутствуют на уровне от 5 до 20% в расчете на полную массу смолы в препреге, предпочтительно от 10 до 20%.7. Препрег по п.1 или 2, в котором термопластичные частицы имеют сферичность от 0,5 до 0,9.8. Препрег по п.1 или 2, в котором термопластичные частицы имеют медианный размер частиц d50 от 5 до 50 мкм.9. Препрег по п.8, в котором термопластичные частицы имеют медианный размер частиц d50 от 10 до 30 мкм.10. Препрег по п.1 или 2, в котором стеклоуглеродные частицы присутствуют на уровне от 0,3 до 2,0 мас.% в расчете на полную массу смолы в препреге.11. Препрег по п.10, в котором стеклоуглеродные частицы присутствуют на уровне от 0,5 до 1,5 мас.% в расчете на полную массу смолы в препреге.12. Препрег по п.10, в котором стеклоуглеродные частицы присутствуют на уровне от 0,5 до 1,0 мас.% в расчете на полную массу смолы в препреге.13. Препрег по п.1 или 2, в котором стеклоуглеродные частицы имеют медианный размер частиц d50 от 10 до 50 мкм.14. Препрег по п.13, в котором стек�

Claims (30)

1. Отверждаемый препрег, включающий структурный слой электропроводящих волокон и первый внешний слой термореактивной смолы, причем слой смолы включает термопластичные частицы и стеклоуглеродные частицы.
2. Препрег по п.1, который включает второй внешний слой смолы, образующий лицевую поверхность препрега, которую не образует первый внешний слой.
3. Препрег по п.1 или 2, в котором полная толщина первого и, если он присутствует, второго внешнего слоя смолы составляет от 15 до 50 мкм.
4. Препрег по п.1 или 2, в котором термопластичные частицы включают полиамид.
5. Препрег по п.4, в котором термопластичные частицы включают полиамид 6, полиамид 6/12, полиамид 12 или их смеси.
6. Препрег по п.1 или 2, в котором термопластичные частицы присутствуют на уровне от 5 до 20% в расчете на полную массу смолы в препреге, предпочтительно от 10 до 20%.
7. Препрег по п.1 или 2, в котором термопластичные частицы имеют сферичность от 0,5 до 0,9.
8. Препрег по п.1 или 2, в котором термопластичные частицы имеют медианный размер частиц d50 от 5 до 50 мкм.
9. Препрег по п.8, в котором термопластичные частицы имеют медианный размер частиц d50 от 10 до 30 мкм.
10. Препрег по п.1 или 2, в котором стеклоуглеродные частицы присутствуют на уровне от 0,3 до 2,0 мас.% в расчете на полную массу смолы в препреге.
11. Препрег по п.10, в котором стеклоуглеродные частицы присутствуют на уровне от 0,5 до 1,5 мас.% в расчете на полную массу смолы в препреге.
12. Препрег по п.10, в котором стеклоуглеродные частицы присутствуют на уровне от 0,5 до 1,0 мас.% в расчете на полную массу смолы в препреге.
13. Препрег по п.1 или 2, в котором стеклоуглеродные частицы имеют медианный размер частиц d50 от 10 до 50 мкм.
14. Препрег по п.13, в котором стеклоуглеродные частицы имеют медианный размер частиц d50 от 20 до 40 мкм.
15. Препрег по п.1 или 2, в котором размер, по меньшей мере, 50 мас.% стеклоуглеродных частиц находится в пределах 5 мкм от медианного размера частиц.
16. Препрег по п.1 или 2, в котором стеклоуглеродные частицы имеют сферичность, составляющую, по меньшей мере, 0,95.
17. Препрег по п.1 или 2, в котором соотношение медианного размера углеродных частиц и средней толщины промежуточного слоя составляет от 0,9:1 до 1,5:1.
18. Препрег по п.17, в котором соотношение медианного размера углеродных частиц и средней толщины промежуточного слоя составляет от 1:1 до 1,3:1.
19. Препрег по п.1 или 2, в котором массовое соотношение термопластичных частиц и стеклоуглеродных частиц составляет от 3:1 до 50:1.
20. Препрег по п.19, в котором массовое соотношение термопластичных частиц и стеклоуглеродных частиц составляет от 3:1 до 40:1.
21. Препрег по п.19, в котором массовое соотношение термопластичных частиц и стеклоуглеродных частиц составляет от 5:1 до 30:1.
22. Препрег по п.19, в котором массовое соотношение термопластичных частиц и стеклоуглеродных частиц составляет от 8:1 до 20:1.
23. Препрег по п.1 или 2, в котором смола включает бифункциональную эпоксидную смолу.
24. Препрег по п.1 или 2, в котором смола включает трифункциональную эпоксидную смолу, содержащую, по меньшей мере, одно метазамещенное фенильное кольцо в своей основной цепи.
25. Препрег по п.1 или 2, в котором смола включает аминосульфоновый отвердитель.
26. Блок препрегов, включающий множество препрегов по любому из предыдущих пунктов и, таким образом, включающий множество структурных слоев электропроводящих волокон и множество разделительных слоев смолы, состоящих из первого и, если он присутствует, второго внешнего слоя смолы.
27. Отвержденный композитный многослойный материал, получаемый способом воздействия на препрег или блок препрегов по любому из предыдущих пунктов повышенной температуры и необязательно повышенного давления, для получения отвержденного многослойного материала.
28. Конструкция, относящаяся к корпусу воздушного судна, включающая отвержденный композитный многослойный материал по п.27.
29. Конструкция, относящаяся к корпусу воздушного судна по п.28, которая представляет собой деталь топливного бака воздушного судна.
30. Способ изготовления препрега по любому из пп.1-25, включающий приведение в контакт смолы, не содержащий частиц, с одной или обеими поверхностями структурных волокон, пропитку волокон смолой, последующее приведение в контакт смолы, содержащей термопластичные частицы и стеклоуглеродные частицы, с одной или обеими поверхностями пропитанных структурных волокон.
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