RU2012107280A - Термостойкие полиамидные композитные структуры и способы их получения - Google Patents

Термостойкие полиамидные композитные структуры и способы их получения Download PDF

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Publication number
RU2012107280A
RU2012107280A RU2012107280/05A RU2012107280A RU2012107280A RU 2012107280 A RU2012107280 A RU 2012107280A RU 2012107280/05 A RU2012107280/05 A RU 2012107280/05A RU 2012107280 A RU2012107280 A RU 2012107280A RU 2012107280 A RU2012107280 A RU 2012107280A
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Russia
Prior art keywords
composite structure
resin composition
polyhydric alcohols
fibrous material
polyamide
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RU2012107280/05A
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English (en)
Inventor
Мартин Дуглас УЭЙКМАН
Олаф Норберт КИРХНЕР
Шэнмэй ЮАНЬ
Original Assignee
Е.И.Дюпон Де Немур Энд Компани
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Publication of RU2012107280A publication Critical patent/RU2012107280A/ru

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2509/00—Household appliances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/18—Aircraft
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249928—Fiber embedded in a ceramic, glass, or carbon matrix

Abstract

1. Композитная структура, имеющая поверхность, каковая поверхность по меньшей мере частично выполнена из композиции смолы для поверхности, и содержащая волокнистый материал, выбранный из группы, состоящей из нетканых структур, текстиля, волокнистого ватина и их комбинаций, при этом указанный волокнистый материал пропитывают смолой матрицы, где композиция смолы для поверхности и композиция смолы матрицы являются полиамидной композицией, содержащей:одну или более полиамидных смол, выбранных из полностью алифатических полиамидов, иодин или более многоатомных спиртов, имеющих более двух гидроксильных групп.2. Композитная структура по п.1, где один или более многоатомных спиртов независимо присутствуют в полиамидной композиции в количествах от или приблизительно от 0,25 вес.% до или приблизительно до 15 вес.%, причем весовой процент рассчитан на общий вес полиамидной композиции.3. Композитная структура по п.2, где один или более многоатомных спиртов независимо присутствуют в количествах от или приблизительно от 0,5 вес.% до или приблизительно до 10 вес.%, причем весовой процент рассчитан на общий вес полиамидной композиции.4. Композитная структура по п.1, где один или более многоатомных спиртов независимо выбраны из группы, состоящей из дипентаэритрита, трипентаэритрита, пентаэритрита и их смесей.5. Композитная структура по п.1, где полностью алифатические полиамидные смолы независимо выбраны из группы, состоящей из РА6; РА11; РА12; РА4,6; РА6,6; РА,10; РА6,12; РА10,10 и их сополимеров и смесей.6. Композитная структура по п.1, где волокнистый материал содержит стекловолокно, углеродные волокна, арамидные волокна, натуральные волокна ил

Claims (15)

1. Композитная структура, имеющая поверхность, каковая поверхность по меньшей мере частично выполнена из композиции смолы для поверхности, и содержащая волокнистый материал, выбранный из группы, состоящей из нетканых структур, текстиля, волокнистого ватина и их комбинаций, при этом указанный волокнистый материал пропитывают смолой матрицы, где композиция смолы для поверхности и композиция смолы матрицы являются полиамидной композицией, содержащей:
одну или более полиамидных смол, выбранных из полностью алифатических полиамидов, и
один или более многоатомных спиртов, имеющих более двух гидроксильных групп.
2. Композитная структура по п.1, где один или более многоатомных спиртов независимо присутствуют в полиамидной композиции в количествах от или приблизительно от 0,25 вес.% до или приблизительно до 15 вес.%, причем весовой процент рассчитан на общий вес полиамидной композиции.
3. Композитная структура по п.2, где один или более многоатомных спиртов независимо присутствуют в количествах от или приблизительно от 0,5 вес.% до или приблизительно до 10 вес.%, причем весовой процент рассчитан на общий вес полиамидной композиции.
4. Композитная структура по п.1, где один или более многоатомных спиртов независимо выбраны из группы, состоящей из дипентаэритрита, трипентаэритрита, пентаэритрита и их смесей.
5. Композитная структура по п.1, где полностью алифатические полиамидные смолы независимо выбраны из группы, состоящей из РА6; РА11; РА12; РА4,6; РА6,6; РА,10; РА6,12; РА10,10 и их сополимеров и смесей.
6. Композитная структура по п.1, где волокнистый материал содержит стекловолокно, углеродные волокна, арамидные волокна, натуральные волокна или их смеси.
7. Композитная структура по п.6, где волокнистый материал состоит из стекловолокна.
8. Композитная структура по п.1, где композиция смолы для поверхности и/или композиция смолы матрицы дополнительно содержат один или более модификаторов ударопрочности, один или более тепловых стабилизаторов, один или более стабилизаторов окисления, один или более армирующих агентов, один или более УФ-стабилизаторов, один или более замедлителей горения, или их смеси.
9. Композитная структура по п.1 в форме деталей автомобилей, грузовиков, коммерческой авиатехники, космической техники, железных дорог, бытовых приборов, компьютерного оборудования, портативных устройств, отдыха и спорта, структурных компонентов машин, структурных компонентов зданий, структурных компонентов солнечного или ветряного энергетического оборудования, структурных компонентов механических устройств.
10. Способ изготовления композитной структуры, имеющей поверхность, при этом указанный способ включает следующие этапы:
i) пропитку волокнистого материала композицией смолы матрицы, где волокнистый материал выбран из группы, состоящей из нетканых структур, текстиля, волокнистого ватина и их комбинаций,
где по меньшей мере часть поверхности композитной структуры выполнена из композиции смолы для поверхности, и
где композиция смолы для поверхности и композиция смолы матрицы являются полиамидной композицией, содержащей а) одну или более полиамидных смол и b) один или более многоатомных спиртов, имеющих более двух гидроксильных групп.
11. Способ по п.10, где один или более многоатомных спиртов независимо присутствуют в полиамидной композиции в количествах от или приблизительно от 0,25 вес.% до или приблизительно до 15 вес.%, причем весовой процент рассчитан на общий вес полиамидной композиции.
12. Способ по п.11, где один или более многоатомных спиртов независимо выбраны из группы, состоящей из дипентаэритрита, трипентаэритрита, пентаэритрита и их смесей.
13. Способ по п.10, где волокнистый материал содержит стекловолокно, углеродные волокна, арамидные волокна, натуральные волокна и их смеси.
14. Способ по п.10, где пропитку осуществляют путем вакуумной формовки, формования покрытия в литьевой форме, экструзией с поперечной фильерой, пултрузии, процессов типа покрытия проволоки, ламинирования, штамповки, диафрагменного формования или литья под давлением.
15. Способ по п.10, дополнительно содержащий этап формования композитной структуры, при этом указанный этап формования следует за этапом пропитки.
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