IT1153101B - Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi - Google Patents

Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi

Info

Publication number
IT1153101B
IT1153101B IT22179/82A IT2217982A IT1153101B IT 1153101 B IT1153101 B IT 1153101B IT 22179/82 A IT22179/82 A IT 22179/82A IT 2217982 A IT2217982 A IT 2217982A IT 1153101 B IT1153101 B IT 1153101B
Authority
IT
Italy
Prior art keywords
piperazinamides
poly
procedure
preparation
formed bodies
Prior art date
Application number
IT22179/82A
Other languages
English (en)
Italian (it)
Other versions
IT8222179A0 (it
Inventor
Catia Bastioli
Giuseppe Gianotti
Adriano Mattera
Paolo Parrini
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT22179/82A priority Critical patent/IT1153101B/it
Publication of IT8222179A0 publication Critical patent/IT8222179A0/it
Priority to CA000431421A priority patent/CA1251311A/en
Priority to IL69113A priority patent/IL69113A0/xx
Priority to US06/509,655 priority patent/US4560522A/en
Priority to EP83303855A priority patent/EP0099686B1/en
Priority to DE8383303855T priority patent/DE3380593D1/de
Priority to JP58118406A priority patent/JPS5932905A/ja
Application granted granted Critical
Publication of IT1153101B publication Critical patent/IT1153101B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/56—Polyamides, e.g. polyester-amides
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Artificial Filaments (AREA)
IT22179/82A 1982-07-01 1982-07-01 Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi IT1153101B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT22179/82A IT1153101B (it) 1982-07-01 1982-07-01 Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi
CA000431421A CA1251311A (en) 1982-07-01 1983-06-29 Process for preparing anisotropic shaped bodies based on poly-piperazinamides
IL69113A IL69113A0 (en) 1982-07-01 1983-06-29 Process for the preparation of shaped bodies based on polypiperazinamides
US06/509,655 US4560522A (en) 1982-07-01 1983-06-30 Process for preparing poly-piperazinamide anisotropic shaped articles
EP83303855A EP0099686B1 (en) 1982-07-01 1983-07-01 Process for preparing polypiperazinamide anisotropic membranes
DE8383303855T DE3380593D1 (de) 1982-07-01 1983-07-01 Process for preparing polypiperazinamide anisotropic membranes
JP58118406A JPS5932905A (ja) 1982-07-01 1983-07-01 ポリピペラジンアミドを基材とした異方性成形体の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22179/82A IT1153101B (it) 1982-07-01 1982-07-01 Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi

Publications (2)

Publication Number Publication Date
IT8222179A0 IT8222179A0 (it) 1982-07-01
IT1153101B true IT1153101B (it) 1987-01-14

Family

ID=11192663

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22179/82A IT1153101B (it) 1982-07-01 1982-07-01 Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi

Country Status (7)

Country Link
US (1) US4560522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0099686B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5932905A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1251311A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3380593D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL69113A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1153101B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141110A (ja) * 1985-12-11 1987-06-24 Canon Inc ゲル繊維の製造方法
IT1222627B (it) * 1987-09-09 1990-09-05 Separem Spa Procedimento per la preparazione di membrane per osmosi inversa e membrane ottenute con tale procedimento
IT1241107B (it) * 1990-04-11 1993-12-29 Separem Spa Membrane da osmosi inversa a base di polipiperazinammide e procedimento di post-trattamento per la loro preparazione

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
NL7009957A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1969-07-08 1971-01-12
US3551331A (en) * 1969-09-22 1970-12-29 Du Pont Reverse osmosis separations using a treated polyamide membrane
US3710945A (en) * 1969-11-26 1973-01-16 Du Pont Preservation of polyamidic membranes
BE793504A (fr) * 1971-12-30 1973-06-29 Montedison Spa Membranes anisotropes de retro-osmose et leur procede de preparation
JPS5223346B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-08-30 1977-06-23
JPS50107210A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-02-06 1975-08-23
US4087388A (en) * 1976-10-21 1978-05-02 E. I. Du Pont De Nemours And Company Process of preparing a permselective membrane
JPS6028290B2 (ja) * 1977-05-17 1985-07-04 日産化学工業株式会社 ポリピペラジンテレフタルアミドの液晶調整方法
MX152562A (es) * 1978-05-15 1985-08-29 Pall Corp Mejoras a procedimiento para preparar membranas de resina de poliamida insolubles en alcohol,hidrofilicas y sin revestimiento
JPS567723A (en) * 1979-06-28 1981-01-27 Takeda Chem Ind Ltd Fine granular preparation

Also Published As

Publication number Publication date
EP0099686A2 (en) 1984-02-01
US4560522A (en) 1985-12-24
EP0099686B1 (en) 1989-09-20
CA1251311A (en) 1989-03-21
JPH0410500B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-02-25
EP0099686A3 (en) 1984-12-12
JPS5932905A (ja) 1984-02-22
DE3380593D1 (de) 1989-10-26
IL69113A0 (en) 1983-10-31
IT8222179A0 (it) 1982-07-01

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930714