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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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RU
Russia
Prior art keywords
thermoplastic resin
membrane
forming solvent
producing
solution
Prior art date
Application number
RU2008120034/12A
Other languages
English (en)
Inventor
Котаро ТАКИТА (JP)
Котаро ТАКИТА
Коити КОНО (JP)
Коити КОНО
Original Assignee
Тонен Кемикал Корпорейшн (Jp)
Тонен Кемикал 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.)
Filing date
Publication date
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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  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (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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