RU2013148381A - Смеси полимолочной кислоты и растворимого в воде полимера - Google Patents

Смеси полимолочной кислоты и растворимого в воде полимера Download PDF

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RU2013148381A
RU2013148381A RU2013148381/05A RU2013148381A RU2013148381A RU 2013148381 A RU2013148381 A RU 2013148381A RU 2013148381/05 A RU2013148381/05 A RU 2013148381/05A RU 2013148381 A RU2013148381 A RU 2013148381A RU 2013148381 A RU2013148381 A RU 2013148381A
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filter element
water
soluble polymer
polylactide
grafted
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RU2561103C2 (ru
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Роберт КИНТАНА
Оливье ПЕРСЕНЕРЕ
Лейла БОННОД
Филлип ДЮБУА
Яхия ЛЕММУХИ
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Бритиш Америкэн Тобэкко (Инвестментс) Лимитед
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Abstract

1. Фильтрующий элемент курительного изделия, содержащий волокна, изготовленные из композиции, содержащей смесь полилактида (PLA) и растворимого в воде полимера, где смесь дополнительно содержит реакционноспособное вещество, обеспечивающее совместимость, в количестве достаточном для обеспечения совместимости смеси.2. Фильтрующий элемент по п.1, в котором растворимый в воде полимер выбран из группы, включающей: поливиниловый спирт (PVOH), карбоксиметилцеллюлозу (КМЦ), гидроксиэтилцеллюлозу (ГЭЦ), гидроксипропилцеллюлозу (ГПЦ), метилцеллюлозу (МЦ) и этилцеллюлозу (ЭЦ), ксантан и пуллулан или их смеси.3. Фильтрующий элемент по п.2, в котором растворимым в воде полимером является PVOH или ГЭЦ.4. Фильтрующий элемент по любому из предыдущих пунктов, в котором растворимый в воде полимер включен в количестве, находящемся в диапазоне от 30 до 70 мас.%, предпочтительно от 40 до 60 мас.% и более предпочтительно от 45 до 55 мас.% в пересчете на смесь полилактида и растворимого в воде полимера.5. Фильтрующий элемент по п.1, в котором реакционноспособным веществом, обеспечивающим совместимость, является привитой сополимер.6. Фильтрующий элемент по п.5, в котором привитым сополимером является сополимер PLA и соединения, реакционноспособного по отношению к гидроксигруппам.7. Фильтрующий элемент по п.6, в котором привитым сополимером является привитой малеиновым ангидридом полилактид (МА-привитой-PLA).8. Фильтрующий элемент по п.1, в котором композиция дополнительно содержит другие реакционноспособные ингредиенты, включая инициаторы, такие как Lupersol® 101, ацилпероксиды, арилалкилпероксиды, сложные пероксиэфиры, диалкилпероксимонокарбонаты, пероксидика�

Claims (17)

1. Фильтрующий элемент курительного изделия, содержащий волокна, изготовленные из композиции, содержащей смесь полилактида (PLA) и растворимого в воде полимера, где смесь дополнительно содержит реакционноспособное вещество, обеспечивающее совместимость, в количестве достаточном для обеспечения совместимости смеси.
2. Фильтрующий элемент по п.1, в котором растворимый в воде полимер выбран из группы, включающей: поливиниловый спирт (PVOH), карбоксиметилцеллюлозу (КМЦ), гидроксиэтилцеллюлозу (ГЭЦ), гидроксипропилцеллюлозу (ГПЦ), метилцеллюлозу (МЦ) и этилцеллюлозу (ЭЦ), ксантан и пуллулан или их смеси.
3. Фильтрующий элемент по п.2, в котором растворимым в воде полимером является PVOH или ГЭЦ.
4. Фильтрующий элемент по любому из предыдущих пунктов, в котором растворимый в воде полимер включен в количестве, находящемся в диапазоне от 30 до 70 мас.%, предпочтительно от 40 до 60 мас.% и более предпочтительно от 45 до 55 мас.% в пересчете на смесь полилактида и растворимого в воде полимера.
5. Фильтрующий элемент по п.1, в котором реакционноспособным веществом, обеспечивающим совместимость, является привитой сополимер.
6. Фильтрующий элемент по п.5, в котором привитым сополимером является сополимер PLA и соединения, реакционноспособного по отношению к гидроксигруппам.
7. Фильтрующий элемент по п.6, в котором привитым сополимером является привитой малеиновым ангидридом полилактид (МА-привитой-PLA).
8. Фильтрующий элемент по п.1, в котором композиция дополнительно содержит другие реакционноспособные ингредиенты, включая инициаторы, такие как Lupersol® 101, ацилпероксиды, арилалкилпероксиды, сложные пероксиэфиры, диалкилпероксимонокарбонаты, пероксидикарбонаты, гидропероксиды, пероксиды кетонов и азосоединения, такие как азобисизобутиронитрил.
9. Фильтрующий элемент по п.1, в котором композиция дополнительно содержит один или большее количество дополнительных компонентов, выбранных из группы, включающей: агенты, улучшающие вязкость расплава композиции, антистатические агенты, органомодифицированные глины, пигменты и красители, смазывающие вещества или агенты, снижающие трение.
10. Фильтрующий элемент по п.9, в котором дополнительные компоненты включены в количестве, равном менее 3 мас.% в пересчете на конечную композицию.
11. Способ изготовления фильтрующего элемента по любому из предыдущих пунктов, способ включает формирование волокон из композиции, содержащей смесь полилактида и растворимого в воде полимера, способ включает: реакционную экструзию смеси полилактида, растворимого в воде полимера и реакционноспособного вещества, обеспечивающего совместимость.
12. Способ по п.11, в котором полилактид, растворимый в воде полимер и реакционноспособное вещество, обеспечивающее совместимость, смешивают в расплаве.
13. Способ по п.11 или 12, в котором реакционноспособным веществом, обеспечивающим совместимость, является привитой малеиновым ангидридом полилактид, полученный с помощью реакционной экструзии PLA и малеинового ангидрида.
14. Способ по п.13, в котором привитой малеиновым ангидридом полилактид содержит от 0,1 до 5 мол.% привитого малеинового ангидрида, предпочтительно от 0,2 до 1 мол.% и более предпочтительно от 0,3 до 0,6 мол.% привитого малеинового ангидрида.
15. Способ по п.11, в котором обеспечение совместимости включает образование ковалентных химических связей.
16. Применение реакционноспособного вещества, обеспечивающего совместимость, для формирования волокон, предназначенных для изготовления фильтрующего элемента для курительного изделия посредством реакционного обеспечения совместимости PLA и растворимого в воде полимера, где PLA и растворимый в воде полимер становятся ковалентно связанными.
17. Применение по п.16, в котором веществом, обеспечивающим совместимость, является привитой малеиновым ангидридом полилактид.
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