RU2008120034A - Способ получения микропористой мембраны из термопластической смолы - Google Patents

Способ получения микропористой мембраны из термопластической смолы Download PDF

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Publication number
RU2008120034A
RU2008120034A RU2008120034/12A RU2008120034A RU2008120034A RU 2008120034 A RU2008120034 A RU 2008120034A RU 2008120034/12 A RU2008120034/12 A RU 2008120034/12A RU 2008120034 A RU2008120034 A RU 2008120034A RU 2008120034 A RU2008120034 A RU 2008120034A
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Russia
Prior art keywords
thermoplastic resin
membrane
forming solvent
producing
solution
Prior art date
Application number
RU2008120034/12A
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English (en)
Inventor
Котаро ТАКИТА (JP)
Котаро ТАКИТА
Коити КОНО (JP)
Коити КОНО
Original Assignee
Тонен Кемикал Корпорейшн (Jp)
Тонен Кемикал Корпорейшн
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Application filed by Тонен Кемикал Корпорейшн (Jp), Тонен Кемикал Корпорейшн filed Critical Тонен Кемикал Корпорейшн (Jp)
Publication of RU2008120034A publication Critical patent/RU2008120034A/ru

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  • Engineering & Computer Science (AREA)
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  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Cell Separators (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

1. Способ получения микропористой мембраны из термопластической смолы и мембранообразующего растворителя с использованием в качестве части исходного материала отходов пленки на основе термопластической смолы и мембранообразующего растворителя, которые образуются в способе получения микропористой мембраны из термопластической смолы, включающий стадии смешивания расплава исходной термопластической смолы и мембранообразующего растворителя в экструдере для получения раствора исходного материала, добавления отходов пленки, образующихся в том же или другом способе получения, к раствору исходного материала в расплавленном состоянии в экструдере в промежуточном положении, их смешивания в расплаве для получения раствора термопластической смолы, экструзии раствора термопластической смолы через фильеру, охлаждения экструдата для формирования гелеобразного листа и удаления мембранообразующего растворителя из гелеобразного листа. ! 2. Способ получения микропористой мембраны из термопластической смолы по п.1, в котором отходы пленки, образующиеся в том же способе получения, являются обрезками кромок, образующихся при обрезке растянутого гелеобразного листа, и в котором обрезки кромок непрерывно повторно перерабатывают в экструдере. ! 3. Способ получения микропористой мембраны из термопластической смолы и мембранообразующего растворителя с использованием в качестве части исходного материала отходов пленки на основе термопластической смолы и мембранообразующего растворителя, которые образуются в способе получения микропористой мембраны из термопластической смолы, включающий стадии смешивания рас�

Claims (4)

1. Способ получения микропористой мембраны из термопластической смолы и мембранообразующего растворителя с использованием в качестве части исходного материала отходов пленки на основе термопластической смолы и мембранообразующего растворителя, которые образуются в способе получения микропористой мембраны из термопластической смолы, включающий стадии смешивания расплава исходной термопластической смолы и мембранообразующего растворителя в экструдере для получения раствора исходного материала, добавления отходов пленки, образующихся в том же или другом способе получения, к раствору исходного материала в расплавленном состоянии в экструдере в промежуточном положении, их смешивания в расплаве для получения раствора термопластической смолы, экструзии раствора термопластической смолы через фильеру, охлаждения экструдата для формирования гелеобразного листа и удаления мембранообразующего растворителя из гелеобразного листа.
2. Способ получения микропористой мембраны из термопластической смолы по п.1, в котором отходы пленки, образующиеся в том же способе получения, являются обрезками кромок, образующихся при обрезке растянутого гелеобразного листа, и в котором обрезки кромок непрерывно повторно перерабатывают в экструдере.
3. Способ получения микропористой мембраны из термопластической смолы и мембранообразующего растворителя с использованием в качестве части исходного материала отходов пленки на основе термопластической смолы и мембранообразующего растворителя, которые образуются в способе получения микропористой мембраны из термопластической смолы, включающий стадии смешивания расплава исходной термопластической смолы и мембранообразующего растворителя для получения раствора исходного материала, расплавления отходов пленки, образующихся в том же или другом способе получения, для получения раствора повторно применяемого материала, одновременной экструзии раствора исходного материала и повторно используемого материала через фильеру, охлаждения экструдата для формирования гелеобразного ламинированного листа и удаления мембранообразующего растворителя из гелеобразного ламинированного листа.
4. Способ получения микропористой мембраны из термопластической смолы по п.3, в котором отходы пленки, образующиеся в том же способе получения, являются обрезками кромок, образующихся при обрезке растянутого гелеобразного ламинированного листа, которые используют для непрерывного получения раствора повторно применяемого материала.
RU2008120034/12A 2005-10-21 2006-10-20 Способ получения микропористой мембраны из термопластической смолы RU2008120034A (ru)

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