RU97112468A - Nonwoven combined multilayer material in the form of aerogels containing bicomponent fibers, the method of its production, as well as its application - Google Patents

Nonwoven combined multilayer material in the form of aerogels containing bicomponent fibers, the method of its production, as well as its application

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Publication number
RU97112468A
RU97112468A RU97112468/12A RU97112468A RU97112468A RU 97112468 A RU97112468 A RU 97112468A RU 97112468/12 A RU97112468/12 A RU 97112468/12A RU 97112468 A RU97112468 A RU 97112468A RU 97112468 A RU97112468 A RU 97112468A
Authority
RU
Russia
Prior art keywords
material according
paragraphs
combined
airgel particles
combined material
Prior art date
Application number
RU97112468/12A
Other languages
Russian (ru)
Other versions
RU2147054C1 (en
Inventor
Франк Дирк
Теннессен Франц
Циммерманн Андреас
Original Assignee
Кэбот Корпорейшн
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Кэбот Корпорейшн filed Critical Кэбот Корпорейшн
Priority claimed from PCT/EP1995/005083 external-priority patent/WO1996019607A1/en
Publication of RU97112468A publication Critical patent/RU97112468A/en
Application granted granted Critical
Publication of RU2147054C1 publication Critical patent/RU2147054C1/en

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Claims (14)

1. Комбинированный материал, который имеет, по меньшей мере, один слой нетканого материала и частицы аэрогеля, причем нетканый материал содержит, по меньшей мере, один двухкомпонентный волокнистый материал, а двухкомпонентный волокнистый материал имеет области с более низкой температурой плавления и области с более высокой температурой плавления, отличающийся тем, что волокна слоя волокнистой массы связаны, как с частицами аэрогеля, так и между собой, с помощью более низкоплавких областей волокнистого материала, и что частицы аэрогеля имеют пористость более 60%, плотность ниже 0,4 г/см3 и теплопроводность меньше, чем 40 мВт/мК.1. A composite material that has at least one layer of nonwoven material and airgel particles, the nonwoven material containing at least one bicomponent fibrous material, and the bicomponent fibrous material has regions with a lower melting point and regions with a higher melting point, characterized in that the fibers of the pulp layer are connected both with the airgel particles and with each other, using lower melting regions of the fibrous material, and that the airgel particles they have a porosity of more than 60%, a density below 0.4 g / cm 3 and a thermal conductivity of less than 40 mW / mK. 2. Комбинированный материал по п. 1, отличающийся тем, что двухкомпонентный волокнистый материал имеет структуру ядро/оболочка. 2. The combined material according to claim 1, characterized in that the two-component fibrous material has a core / sheath structure. 3. Комбинированный материал по п. 1 или 2, отличающийся тем, что нетканый материал содержит дополнительно, по меньшей мере, один простой волокнистый материал. 3. The combined material according to claim 1 or 2, characterized in that the non-woven material further comprises at least one simple fibrous material. 4. Комбинированный материал по п. 3, отличающийся тем, что титр двухкомпонентного волокнистого материала лежит в области от 2 до 20 дтекс. и титр простых волокон - в области от 0,8 до 40 дтекс. 4. The combined material according to p. 3, characterized in that the titer of the two-component fibrous material lies in the region from 2 to 20 decitex. and a titer of simple fibers in the range from 0.8 to 40 dtex. 5. Комбинированный материал по, по меньшей мере, одному из пп. 1-4, отличающийся тем, что доля частиц аэрогеля в комбинированном материале составляет, по меньшей мере, 40% объема. 5. Combined material according to at least one of paragraphs. 1-4, characterized in that the proportion of airgel particles in the composite material is at least 40% of the volume. 6. Комбинированный материал по, по меньшей мере, одному из пп. 1-5, отличающийся тем, что аэрогель представляет собой SiO2-аэрогель.6. Combined material according to at least one of paragraphs. 1-5, characterized in that the airgel is a SiO 2 aerogel. 7. Комбинированный материал по, по меньшей мере, одному из пп. 1-6, отличающийся тем, что двухкомпонентный волокнистый материал, простой волокнистый материал и/или частицы аэрогеля содержат, по меньшей мере, один IR-глушитель. 7. Combined material according to at least one of paragraphs. 1-6, characterized in that the two-component fibrous material, a simple fibrous material and / or airgel particles contain at least one IR-silencer. 8. Комбинированный материал по, по меньшей мере, одному из пп. 1-7, отличающийся тем, что частицы аэрогеля имеют теплопроводность меньше, чем 25 мВт/мК. 8. Combined material according to at least one of paragraphs. 1-7, characterized in that the airgel particles have a thermal conductivity of less than 25 mW / mK. 9. Комбинированный материал по, по меньшей мере, одному из пп. 1-8, отличающийся тем, что частицы аэрогеля имеют гидрофобные поверхностные группы. 9. Combined material according to at least one of claims. 1-8, characterized in that the airgel particles have hydrophobic surface groups. 10. Комбинированный материал по, по меньшей мере, одному из пп. 1-9, отличающийся тем, что нетканый материал с одной или двух сторон снабжен, по меньшей мере, одним слоем покрытия, причем покрытия могут быть одинаковыми или различными. 10. Combined material according to at least one of paragraphs. 1-9, characterized in that the nonwoven material from one or two sides is provided with at least one coating layer, and the coating can be the same or different. 11. Комбинированный материал по п. 10, отличающийся тем, что слои покрытий содержат пластмассовые пленки, металлическую фольгу, металлизированные пластмассовые пленки или, предпочтительно, слои волокнистой массы из тонких простых волокон и/или из тонких двухкомпонентных волокон. 11. The composite material according to p. 10, characterized in that the coating layers contain plastic films, metal foil, metallized plastic films or, preferably, layers of pulp from thin simple fibers and / or from thin bicomponent fibers. 12. Комбинированный материал по, по меньшей мере, одному из пп. 1-11, отличающийся тем, что он имеет форму пластины или мата. 12. Combined material according to at least one of paragraphs. 1-11, characterized in that it has the form of a plate or mat. 13. Способ получения комбинированного материала по п. 1, отличающийся тем, что нетканый материал, который содержит, по меньшей мере, один двухкомпонентный волокнистый материал с имеющими более низкую температуру плавления и имеющими более высокую температуру плавления областями, всыпают частицы аэрогеля и полученную волокнистую композицию, в случае необходимости, под давлением, при температурах выше самой низкой температуры плавления и ниже более высокой температуры плавления подвергают термическому упрочнению. 13. A method of producing a combined material according to claim 1, characterized in that the non-woven material that contains at least one two-component fibrous material with lower melting points and higher melting points is poured into airgel particles and the resulting fiber composition if necessary, under pressure, at temperatures above the lowest melting point and below a higher melting temperature, they are subjected to thermal hardening. 14. Применение комбинированного материала по, по меньшей мере, одному из пп. 1-12 для теплоизоляции, для глушения шумов и/или в качестве адсорбционного материала для газов, паров и жидкостей. 14. The use of combined material according to at least one of paragraphs. 1-12 for thermal insulation, for damping noise and / or as an adsorption material for gases, vapors and liquids.
RU97112468A 1994-12-21 1995-12-21 Nonwoven combined material containing bicomponent fibers and method of its production RU2147054C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4445771.5 1994-12-21
DE4445771 1994-12-21
PCT/EP1995/005083 WO1996019607A1 (en) 1994-12-21 1995-12-21 Nonwoven fabric-aerogel composite material containing two-component fibres, a method of producing said material and the use thereof

Publications (2)

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RU97112468A true RU97112468A (en) 1999-09-20
RU2147054C1 RU2147054C1 (en) 2000-03-27

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EP (1) EP0799343B1 (en)
JP (1) JP4237253B2 (en)
KR (1) KR100368851B1 (en)
CN (1) CN1063246C (en)
AT (1) ATE191021T1 (en)
AU (1) AU4388996A (en)
CA (1) CA2208510A1 (en)
DE (1) DE59508075D1 (en)
ES (1) ES2146795T3 (en)
FI (1) FI972677A0 (en)
MX (1) MX9704728A (en)
NO (1) NO309578B1 (en)
PL (1) PL181720B1 (en)
RU (1) RU2147054C1 (en)
WO (1) WO1996019607A1 (en)

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