BR7904887A - Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos - Google Patents
Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticosInfo
- Publication number
- BR7904887A BR7904887A BR7904887A BR7904887A BR7904887A BR 7904887 A BR7904887 A BR 7904887A BR 7904887 A BR7904887 A BR 7904887A BR 7904887 A BR7904887 A BR 7904887A BR 7904887 A BR7904887 A BR 7904887A
- Authority
- BR
- Brazil
- Prior art keywords
- wires
- porous wires
- synthetic polymers
- porous
- obtaining
- Prior art date
Links
- 229920001059 synthetic polymer Polymers 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- D01D5/247—Discontinuous hollow structure or microporous structure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2833568A DE2833568C2 (de) | 1978-07-31 | 1978-07-31 | Poröse Fäden |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7904887A true BR7904887A (pt) | 1980-04-22 |
Family
ID=6045861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7904887A BR7904887A (pt) | 1978-07-31 | 1979-07-30 | Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5522097A (ja) |
AT (1) | AT372411B (ja) |
BE (1) | BE877930A (ja) |
BR (1) | BR7904887A (ja) |
CA (1) | CA1140309A (ja) |
CH (1) | CH637795B (ja) |
DE (1) | DE2833568C2 (ja) |
ES (1) | ES482966A1 (ja) |
FR (1) | FR2432564A1 (ja) |
GB (1) | GB2026935B (ja) |
IT (1) | IT1118170B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58159739A (ja) * | 1982-03-19 | 1983-09-22 | オリンパス光学工業株式会社 | レ−ザ手術装置 |
JPS6052613A (ja) * | 1983-08-30 | 1985-03-25 | Toyobo Co Ltd | 高強力、高弾性率ポリエチレン繊維 |
JP2543360B2 (ja) * | 1987-04-06 | 1996-10-16 | トヨタ自動車株式会社 | 多孔質ポリプロピレン繊維 |
JPH0636809Y2 (ja) * | 1988-10-11 | 1994-09-28 | 株式会社モリタ製作所 | 歯科用レーザ切換装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL274565A (ja) * | 1961-02-10 | |||
US3513110A (en) * | 1965-07-26 | 1970-05-19 | Celanese Corp | Open-celled low density filamentary material |
DE2550080B2 (de) * | 1975-11-07 | 1978-03-09 | Akzo Gmbh, 5600 Wuppertal | Verfahren zur Herstellung von Filamenten mit nicht durchgehenden Hohlräumen |
DE2554124C3 (de) * | 1975-12-02 | 1986-07-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus Acrylnitrilpolymerisaten |
-
1978
- 1978-07-31 DE DE2833568A patent/DE2833568C2/de not_active Expired
-
1979
- 1979-07-18 CH CH662879A patent/CH637795B/de unknown
- 1979-07-19 IT IT49806/79A patent/IT1118170B/it active
- 1979-07-23 AT AT0506279A patent/AT372411B/de not_active IP Right Cessation
- 1979-07-27 BE BE0/196482A patent/BE877930A/xx not_active IP Right Cessation
- 1979-07-30 FR FR7919614A patent/FR2432564A1/fr active Granted
- 1979-07-30 CA CA000332832A patent/CA1140309A/en not_active Expired
- 1979-07-30 BR BR7904887A patent/BR7904887A/pt unknown
- 1979-07-30 ES ES482966A patent/ES482966A1/es not_active Expired
- 1979-07-31 JP JP9690479A patent/JPS5522097A/ja active Pending
- 1979-07-31 GB GB7926710A patent/GB2026935B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH637795GA3 (ja) | 1983-08-31 |
JPS5522097A (en) | 1980-02-16 |
IT7949806A0 (it) | 1979-07-19 |
FR2432564A1 (fr) | 1980-02-29 |
GB2026935A (en) | 1980-02-13 |
ATA506279A (de) | 1983-02-15 |
AT372411B (de) | 1983-10-10 |
DE2833568A1 (de) | 1980-02-21 |
GB2026935B (en) | 1982-09-08 |
DE2833568C2 (de) | 1987-02-12 |
FR2432564B1 (ja) | 1982-12-10 |
ES482966A1 (es) | 1980-05-16 |
CA1140309A (en) | 1983-02-01 |
BE877930A (fr) | 1979-11-16 |
IT1118170B (it) | 1986-02-24 |
CH637795B (de) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7901204A (pt) | Produto e processo | |
BR7701695A (pt) | Processo e aparelho para producao de polpa | |
BR7902189A (pt) | Suporte de ferradura e processo para fabricacao do mesmo | |
IT1088433B (it) | Processo di estrusione per la fabbricazione di corpi cavo | |
BR7803194A (pt) | Processo e dispositivo de filtragem | |
BR7905539A (pt) | Processo de ensaio de pocos | |
IT1130908B (it) | Processo di polimerizzazione di alfa-olefine e catalizzatore per detto | |
IT1120007B (it) | Catalizzatore e processo per aldei di non sature | |
BR8104565A (pt) | Catalisador e processo de preparacao de catalisador | |
AR224758A1 (es) | Metodo y aparato de perfilado de pozos | |
BR7807922A (pt) | Processo para produzir fios de enrolamentos isolados no processo de extrusao | |
BR7708732A (pt) | Polimeros de grupamentos de imidas e processo para preparalos | |
ATA186177A (de) | Verfahren zur herstellung von aethylenpolymeri- saten | |
BR7904887A (pt) | Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos | |
IT1112201B (it) | Apparecchio e processo per la presso-fusione | |
BR8008028A (pt) | Processo para desidrocopulacao de tolueno | |
BR8107049A (pt) | Processo para producao de enduracidina | |
DD150884A5 (de) | Verfahren zur herstellung von magnesiamoertel-trockenmasse | |
BR8003734A (pt) | Processo de hidroformilacao de olefina | |
BR7904057A (pt) | Processo fisico-bioquimico | |
BR7800185A (pt) | Processo para producao de tiazolino-2-tionas e tiazolino-2-tionas | |
IT1089701B (it) | Processo di ammossidazione e catalizzatore per detto processo | |
BR8108547A (pt) | Processo para obtencao de acidos fenoxialcanoicos clorados | |
BR8107126A (pt) | Processo para preparacao de aldeidos alifaticos | |
AT362539B (de) | Einrichtung zur herstellung von draehten |