CA1091419A - Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile - Google Patents

Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile

Info

Publication number: CA1091419A
Authority: CA; Canada
Prior art keywords: solvent; solution; acrylonitrile; gel; copolymers
Prior art date: 1975-07-14
Legal status (The legal status 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 status listed.): Expired

Application number

CA256,994A

Other languages

English (en)

Inventor

Vladimir Stoy

Artur Stoy

Jiri Zima

Jaroslav Kalal

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Czech Academy of Sciences CAS

Original Assignee

Czech Academy of Sciences CAS

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.)

1975-07-14

Filing date

1976-07-14

Publication date

1980-12-16

1976-07-14 Application filed by Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS

1980-12-16 Application granted granted Critical

1980-12-16 Publication of CA1091419A publication Critical patent/CA1091419A/fr

Status Expired legal-status Critical Current

Links

229920002239 polyacrylonitrile Polymers 0.000 title claims abstract description 39
229920001577 copolymer Polymers 0.000 title claims abstract description 30
238000004519 manufacturing process Methods 0.000 title claims abstract description 15
239000002904 solvent Substances 0.000 claims abstract description 77
229920000642 polymer Polymers 0.000 claims abstract description 33
NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 27
238000000034 method Methods 0.000 claims abstract description 25
239000007788 liquid Substances 0.000 claims abstract description 20
239000000203 mixture Substances 0.000 claims abstract description 20
238000001879 gelation Methods 0.000 claims abstract description 19
238000001816 cooling Methods 0.000 claims abstract description 14
238000007493 shaping process Methods 0.000 claims abstract description 4
239000000499 gel Substances 0.000 claims description 53
239000000017 hydrogel Substances 0.000 claims description 10
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
229920006030 multiblock copolymer Polymers 0.000 claims description 5
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 4
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
239000000470 constituent Substances 0.000 claims 1
239000000178 monomer Substances 0.000 claims 1
239000000243 solution Substances 0.000 description 43
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 32
208000012886 Vertigo Diseases 0.000 description 15
238000009987 spinning Methods 0.000 description 15
239000010410 layer Substances 0.000 description 14
229920001400 block copolymer Polymers 0.000 description 11
-1 cyclic lactones Chemical class 0.000 description 10
238000001704 evaporation Methods 0.000 description 10
239000000835 fiber Substances 0.000 description 10
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 9
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
238000005345 coagulation Methods 0.000 description 9
230000015271 coagulation Effects 0.000 description 9
238000000576 coating method Methods 0.000 description 9
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
239000000047 product Substances 0.000 description 8
239000011248 coating agent Substances 0.000 description 7
230000008020 evaporation Effects 0.000 description 7
230000008961 swelling Effects 0.000 description 7
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
238000002441 X-ray diffraction Methods 0.000 description 6
239000011324 bead Substances 0.000 description 6
235000019441 ethanol Nutrition 0.000 description 6
239000012530 fluid Substances 0.000 description 6
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
238000000605 extraction Methods 0.000 description 5
239000011888 foil Substances 0.000 description 5
238000003756 stirring Methods 0.000 description 5
239000000126 substance Substances 0.000 description 5
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 4
229960001760 dimethyl sulfoxide Drugs 0.000 description 4
239000005556 hormone Substances 0.000 description 4
229940088597 hormone Drugs 0.000 description 4
239000012528 membrane Substances 0.000 description 4
229910017604 nitric acid Inorganic materials 0.000 description 4
230000002829 reductive effect Effects 0.000 description 4
230000011514 reflex Effects 0.000 description 4
238000005406 washing Methods 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
230000001112 coagulating effect Effects 0.000 description 3
230000003247 decreasing effect Effects 0.000 description 3
238000007598 dipping method Methods 0.000 description 3
239000000945 filler Substances 0.000 description 3
239000000543 intermediate Substances 0.000 description 3
239000000155 melt Substances 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
239000005662 Paraffin oil Substances 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
150000001735 carboxylic acids Chemical class 0.000 description 2
238000005266 casting Methods 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
230000008602 contraction Effects 0.000 description 2
239000006184 cosolvent Substances 0.000 description 2
JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000003822 epoxy resin Substances 0.000 description 2
150000002148 esters Chemical class 0.000 description 2
229940093476 ethylene glycol Drugs 0.000 description 2
150000003949 imides Chemical class 0.000 description 2
238000007654 immersion Methods 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
150000003951 lactams Chemical class 0.000 description 2
AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
229910052753 mercury Inorganic materials 0.000 description 2
LCEDQNDDFOCWGG-UHFFFAOYSA-N morpholine-4-carbaldehyde Chemical compound O=CN1CCOCC1 LCEDQNDDFOCWGG-UHFFFAOYSA-N 0.000 description 2
239000002245 particle Substances 0.000 description 2
229920002401 polyacrylamide Polymers 0.000 description 2
229920000647 polyepoxide Polymers 0.000 description 2
230000001376 precipitating effect Effects 0.000 description 2
238000001556 precipitation Methods 0.000 description 2
238000012673 precipitation polymerization Methods 0.000 description 2
230000002441 reversible effect Effects 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
239000011877 solvent mixture Substances 0.000 description 2
239000012798 spherical particle Substances 0.000 description 2
229920001897 terpolymer Polymers 0.000 description 2
239000004753 textile Substances 0.000 description 2
JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
DNFIEAXZRIFMMN-UHFFFAOYSA-N 1,3-dithiocyanatopropan-2-yl thiocyanate Chemical compound N#CSCC(SC#N)CSC#N DNFIEAXZRIFMMN-UHFFFAOYSA-N 0.000 description 1
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
DZLUPKIRNOCKJB-UHFFFAOYSA-N 2-methoxy-n,n-dimethylacetamide Chemical compound COCC(=O)N(C)C DZLUPKIRNOCKJB-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
229920002972 Acrylic fiber Polymers 0.000 description 1
241000309551 Arthraxon hispidus Species 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical class [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
244000228957 Ferula foetida Species 0.000 description 1
YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
241001465754 Metazoa Species 0.000 description 1
229920001410 Microfiber Polymers 0.000 description 1
FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
238000005299 abrasion Methods 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000013543 active substance Substances 0.000 description 1
125000002252 acyl group Chemical group 0.000 description 1
239000000654 additive Substances 0.000 description 1
150000001299 aldehydes Chemical class 0.000 description 1
229910001514 alkali metal chloride Inorganic materials 0.000 description 1
229910001963 alkali metal nitrate Inorganic materials 0.000 description 1
229910001485 alkali metal perchlorate Inorganic materials 0.000 description 1
229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
229910001870 ammonium persulfate Inorganic materials 0.000 description 1
239000011260 aqueous acid Substances 0.000 description 1
150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
AIPVTTKYSPOWFO-UHFFFAOYSA-N azepane-1-carbaldehyde Chemical compound O=CN1CCCCCC1 AIPVTTKYSPOWFO-UHFFFAOYSA-N 0.000 description 1
238000009835 boiling Methods 0.000 description 1
GJIVXYIZQMKYRK-UHFFFAOYSA-N butyl acetate;1,3-dioxolan-2-one Chemical compound O=C1OCCO1.CCCCOC(C)=O GJIVXYIZQMKYRK-UHFFFAOYSA-N 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
235000011089 carbon dioxide Nutrition 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
150000001805 chlorine compounds Chemical class 0.000 description 1
238000010622 cold drawing Methods 0.000 description 1
229940000425 combination drug Drugs 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000000332 continued effect Effects 0.000 description 1
238000013270 controlled release Methods 0.000 description 1
239000012809 cooling fluid Substances 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
150000004292 cyclic ethers Chemical class 0.000 description 1
HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
150000001983 dialkylethers Chemical class 0.000 description 1
238000000502 dialysis Methods 0.000 description 1
MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
229940113088 dimethylacetamide Drugs 0.000 description 1
230000003292 diminished effect Effects 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000001035 drying Methods 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
238000011049 filling Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
125000001475 halogen functional group Chemical group 0.000 description 1
210000003709 heart valve Anatomy 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000012510 hollow fiber Substances 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
229920001480 hydrophilic copolymer Polymers 0.000 description 1
239000007943 implant Substances 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
238000001746 injection moulding Methods 0.000 description 1
239000012774 insulation material Substances 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
150000002576 ketones Chemical class 0.000 description 1
150000002596 lactones Chemical class 0.000 description 1
239000002649 leather substitute Substances 0.000 description 1
239000006193 liquid solution Substances 0.000 description 1
230000005923 long-lasting effect Effects 0.000 description 1
229920002521 macromolecule Polymers 0.000 description 1
239000000463 material Substances 0.000 description 1
239000003658 microfiber Substances 0.000 description 1
210000003632 microfilament Anatomy 0.000 description 1
239000002808 molecular sieve Substances 0.000 description 1
238000000465 moulding Methods 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
150000007524 organic acids Chemical class 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
230000003204 osmotic effect Effects 0.000 description 1
239000000575 pesticide Substances 0.000 description 1
150000002989 phenols Chemical class 0.000 description 1
WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
235000021317 phosphate Nutrition 0.000 description 1
150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
239000000049 pigment Substances 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
229920001343 polytetrafluoroethylene Polymers 0.000 description 1
239000004810 polytetrafluoroethylene Substances 0.000 description 1
ARQTVSWBVIWYSF-UHFFFAOYSA-N prop-2-enamide;prop-2-enenitrile Chemical compound C=CC#N.NC(=O)C=C ARQTVSWBVIWYSF-UHFFFAOYSA-N 0.000 description 1
229920005604 random copolymer Polymers 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
229920002545 silicone oil Polymers 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
BWYYYTVSBPRQCN-UHFFFAOYSA-M sodium;ethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=C BWYYYTVSBPRQCN-UHFFFAOYSA-M 0.000 description 1
239000002594 sorbent Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
239000003270 steroid hormone Substances 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000002344 surface layer Substances 0.000 description 1
238000001356 surgical procedure Methods 0.000 description 1
210000002435 tendon Anatomy 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
238000002627 tracheal intubation Methods 0.000 description 1
AYTGUZPQPXGYFS-UHFFFAOYSA-N urea nitrate Chemical compound NC(N)=O.O[N+]([O-])=O AYTGUZPQPXGYFS-UHFFFAOYSA-N 0.000 description 1
239000011800 void material Substances 0.000 description 1
238000002166 wet spinning Methods 0.000 description 1
238000009736 wetting Methods 0.000 description 1
239000008096 xylene Substances 0.000 description 1
150000003738 xylenes Chemical class 0.000 description 1
235000005074 zinc chloride Nutrition 0.000 description 1
239000011592 zinc chloride Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/14—Powdering or granulating by precipitation from solutions
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00038—Production of contact lenses
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
- G02B1/043—Contact lenses
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/18—Homopolymers or copolymers of nitriles
- C08J2333/20—Homopolymers or copolymers of acrylonitrile

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Health & Medical Sciences (AREA)
Physics & Mathematics (AREA)
Chemical Kinetics & Catalysis (AREA)
Toxicology (AREA)
Textile Engineering (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Ophthalmology & Optometry (AREA)
General Chemical & Material Sciences (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Artificial Filaments (AREA)
Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

CA256,994A 1975-07-14 1976-07-14 Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile Expired CA1091419A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CSPV-4957-75		1975-07-14
CS495775		1975-07-14

Publications (1)

Publication Number	Publication Date
CA1091419A true CA1091419A (fr)	1980-12-16

Family

ID=5393471

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA256,994A Expired CA1091419A (fr)	1975-07-14	1976-07-14	Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile

Country Status (6)

Country	Link
JP (1)	JPS5217561A (fr)
AT (1)	AT355303B (fr)
CA (1)	CA1091419A (fr)
DE (1)	DE2631499A1 (fr)
FR (1)	FR2318021A1 (fr)
GB (1)	GB1517083A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL177840C (nl) *	1979-02-08	1989-10-16	Stamicarbon	Werkwijze voor het vervaardigen van een polyetheendraad.
JPS5783674A (en) *	1980-11-12	1982-05-25	Daikin Ind Ltd	Variable capacity liquid pressure unit
JPS588272A (ja) *	1981-07-02	1983-01-18	コンパニイ・ド・コンストリユクシオン・メカニク・スユルゼル	軸方向滑動可能翼を有する静水モ−タ−
US4440711A (en) *	1982-09-30	1984-04-03	Allied Corporation	Method of preparing high strength and modulus polyvinyl alcohol fibers
DE3474573D1 (en)	1983-12-05	1988-11-17	Allied Signal Inc	High tenacity and modulus polyacrylonitrile fiber and method
US4940734A (en) *	1988-11-23	1990-07-10	American Cyanamid	Process for the preparation of porous polymer beads
WO2008057104A1 (fr) *	2006-11-09	2008-05-15	Bausch & Lomb Incorporated	Utilisation d'associations réversibles thermiques pour de meilleures interactions entre polymères
WO2017174377A1 (fr) *	2016-04-08	2017-10-12	Sabic Global Technologies B.V.	Composition polymère comprenant un polymère (méth)acrylique et un polyacrylonitrile
CN112622315A (zh) *	2020-12-25	2021-04-09	京旭企业有限公司	反转挠性透镜凹向的方法及其装置

1976
- 1976-06-30 AT AT477276A patent/AT355303B/de not_active IP Right Cessation
- 1976-07-01 GB GB2739876A patent/GB1517083A/en not_active Expired
- 1976-07-13 FR FR7621384A patent/FR2318021A1/fr active Granted
- 1976-07-13 DE DE19762631499 patent/DE2631499A1/de not_active Withdrawn
- 1976-07-14 JP JP8303976A patent/JPS5217561A/ja active Pending
- 1976-07-14 CA CA256,994A patent/CA1091419A/fr not_active Expired

Also Published As

Publication number	Publication date
JPS5217561A (en)	1977-02-09
AT355303B (de)	1980-02-25
DE2631499A1 (de)	1977-02-10
FR2318021B3 (fr)	1979-04-06
ATA477276A (de)	1979-07-15
FR2318021A1 (fr)	1977-02-11
GB1517083A (en)	1978-07-12

Legal Events

Date	Code	Title	Description
1997-12-16	MKEX	Expiry

Publication	Publication Date	Title
US4173606A (en)	1979-11-06	Method of manufacturing shaped articles from crystalline acrylonitrile polymers and copolymers
US4107121A (en)	1978-08-15	Ionogenic hydrophilic water-insoluble gels from partially hydrolyzed acrylonitrile polymers and copolymers, and a method of manufacturing same
EP0094980B1 (fr)	1988-04-20	Compositions polymères contenant des polymères polyacrylonitrile et procédé pour leur préparation
US4943618A (en)	1990-07-24	Method for preparing polyacrylonitrile copolymers by heterogeneous reaction of polyacrylonitrile aquagel
US4957817A (en)	1990-09-18	Film, fiber, and microporous membranes of poly(etheretherketone)dissolved in high boiling point polar organic solvents
US5084173A (en)	1992-01-28	Hydrophilic composite porous membrane, a method of producing the plasma separator
AU626046B2 (en)	1992-07-23	Permeable membrane excellent in biocompatibility
CA1091419A (fr)	1980-12-16	Procede industriel de faconnage d'articles profiles a partir de copolymeres et de polymeres d'acrylonitrile
JPH06228400A (ja)	1994-08-16	均一分散結晶フィブリルを含む強化ポリビニル・アルコール・ヒドロゲル及びその製造方法
JPH0628705B2 (ja)	1994-04-20	半透過性中空繊維膜の製造方法
EP0747113A2 (fr)	1996-12-11	Membrane sous forme de fibre creuse à base d'alcool polyvinylique et procédé pour fabriquer cette membrane
JP2001511222A (ja)	2001-08-07	ポリ（テトラフルオロエチレン）および関連ポリマー類の分散紡糸方法
EP1661943A1 (fr)	2006-05-31	Procede permettant de produire un film microporeux de resine thermoplastique
WO1994007931A1 (fr)	1994-04-14	Materiau hydrophile et membrane semi-permeable realisee a partir dudit materiau
NO153879B (no)	1986-03-03	Fremstilling av en membran med poroes overflate.
JP2001507741A (ja)	2001-06-12	溶融紡糸ポリスルホン半透膜及びその製造方法
JP3549290B2 (ja)	2004-08-04	ポリオレフィン微多孔膜及びその製造方法
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JPH0278425A (ja)	1990-03-19	ポリ弗化ビニリデンに基づく親水性かつ乾燥性の半透膜
JPS61195132A (ja)	1986-08-29	超高分子量α−オレフイン重合体微多孔膜の製造方法
JPH02208332A (ja)	1990-08-17	高分子多孔体の製造方法
JP3165734B2 (ja)	2001-05-14	新規な高吸水形状記憶材料
JP3641321B2 (ja)	2005-04-20	ポリオレフィン微多孔膜の製造方法
JP3673623B2 (ja)	2005-07-20	ポリオレフィン微多孔膜の製造方法
US4409162A (en)	1983-10-11	Process for producing acrylonitrile separation membranes in fibrous form