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RU2018102959A - Противокислородная защита на основе модифицированных волокон целлюлозы - Google Patents

Противокислородная защита на основе модифицированных волокон целлюлозы Download PDF

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RU2018102959A
RU2018102959A RU2018102959A RU2018102959A RU2018102959A RU 2018102959 A RU2018102959 A RU 2018102959A RU 2018102959 A RU2018102959 A RU 2018102959A RU 2018102959 A RU2018102959 A RU 2018102959A RU 2018102959 A RU2018102959 A RU 2018102959A
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Пер ЛАРССОН
Ларс ВАГБЕРГ
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Биллерудкорснас Аб
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2262/06—Vegetal fibres
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    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
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    • B32B2307/724—Permeability to gases, adsorption
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
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  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
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  • Life Sciences & Earth Sciences (AREA)
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  • Manufacturing & Machinery (AREA)
  • Paper (AREA)
  • Wrappers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Claims (15)

1. Применение материала, содержащего волокна для противокислородной защиты, которые содержат природную целлюлозу и диалкогольцеллюлозу.
2. Применение материала по п. 1, отличающееся тем, что материал применяют при относительной влажности по меньшей мере 80%.
3. Применение материала по любому из предшествующих пунктов, отличающееся тем, что волокна представляют собой древесные волокна.
4. Материал, содержащий волокна и имеющий плотность по меньшей мере 1200 кг/м3, которые содержат природную целлюлозу и диалкогольцеллюлозу, причем кислородная проницаемость материала согласно стандарту ASTM D3985 составляет менее 30 мл⋅мкм/(м2⋅кПа⋅24 ч) при 23°C и при относительной влажности 80%.
5. Материал по п. 4, отличающийся тем, что волокна могут быть получены способом, включающим стадию, в которой окисляют часть целлюлозы в волокнистой суспензии до диальдегидцеллюлозы с последующим восстановлением диальдегидцеллюлозы для получения диалкогольцеллюлозы.
6. Материал по п. 5, отличающийся тем, что степень превращения в диальдегидцеллюлозу составляет более 13%, к примеру, более 18%, к примеру, более 20%.
7. Материал по п. 5 или 6, отличающийся тем, что степень превращения в диальдегидцеллюлозу составляет менее 60%, к примеру, менее 50%.
8. Материал по любому из пп. 4-7, отличающийся тем, что плотность составляет по меньшей мере 1250 кг/м, к примеру, по меньшей мере 1300 кг/м3.
9. Материал по любому из пп. 4-8, отличающийся тем, что проницаемость кислорода согласно стандарту ASTM D3985 составляет менее 15 мл⋅мкм/(м2⋅кПа⋅24 ч) при 23°C и 80% RH (относительной влажности), к примеру, менее 12 или 10 мл⋅мкм/(м2⋅кПа⋅24 ч) при 23°C и 80% RH.
10. Бумажный лист, содержащий материал по любому из пп. 4-9.
11. Бумажный лист по п. 10, отличающийся тем, что общий коэффициент пропускания составляет по меньшей мере 40%, к примеру, по меньшей мере 50%, к примеру, по меньшей мере 60%, к примеру, по меньшей мере 70%, измеренный при длине волны 550 нм посредством спектрофотометра Shimadzu UV-2550UV-vis, оснащенного опционной интегрирующей сферой.
12. Многослойный материал, к примеру, многослойный упаковочный материал, содержащий бумажный лист по п. 10 или 11.
13. Упаковочный материал, содержащий подложку, снабженную покрытием, содержащий материал по любому из пп. 4-9.
14. Способ формирования компонента упаковки, имеющего трехмерную форму, включающий стадию, в которой прессуют бумажный лист по п. 10 или 11, многослойный материал по п. 12 или упаковочный материал по п. 13 таким образом, что он приобретает трехмерную форму.
15. Способ формирования упаковки, включающий стадию, в которой термически скрепляют бумажный лист по п. 10 или 11, многослойный материал по п. 12 или упаковочный материал по п. 13.
RU2018102959A 2015-06-30 2016-06-30 Противокислородная защита на основе модифицированных волокон целлюлозы RU2720941C2 (ru)

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SE1550923-5 2015-06-30
SE1550923 2015-06-30
PCT/SE2016/050663 WO2017003364A1 (en) 2015-06-30 2016-06-30 Oxygen barriers based on modified cellulose fibers

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BR112018010992A2 (pt) * 2015-12-01 2018-12-04 Gp Cellulose Gmbh polpas celulósicas de cadeia modificada aberta e métodos para fazer e usar as mesmas
BR112019006283B1 (pt) * 2016-10-14 2023-03-07 Tetra Laval Holdings & Finance S.A Método para fabricar um material de baixa densidade formado em espuma de fibras de celulose, material formado em espuma de baixa densidade de fibras de celulose, folha volumosa de celulose para um material de acondicionamento, material de acondicionamento laminado, e, recipiente de acondicionamento para alimento líquido ou semilíquido
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US10351632B2 (en) 2019-07-16
JP2018532052A (ja) 2018-11-01
CA2990156A1 (en) 2017-01-05
RU2720941C2 (ru) 2020-05-14
BR112017028349A2 (pt) 2018-09-04
CN107849153A (zh) 2018-03-27
JP6734304B2 (ja) 2020-08-05
RU2018102959A3 (ru) 2019-12-09
ES2752080T3 (es) 2020-04-02
CN107849153B (zh) 2020-11-06
EP3317303B1 (en) 2019-07-24
BR112017028349B1 (pt) 2021-12-21
WO2017003364A1 (en) 2017-01-05
US20180194863A1 (en) 2018-07-12
PL3317303T3 (pl) 2020-03-31

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