FI63425C - Foerfarande foer framstaellning av vattenloesliga hoegmolekylaera akrylpolymerer laempliga i synnerhet foer behandling av vatten - Google Patents
Foerfarande foer framstaellning av vattenloesliga hoegmolekylaera akrylpolymerer laempliga i synnerhet foer behandling av vatten Download PDFInfo
- Publication number
- FI63425C FI63425C FI771162A FI771162A FI63425C FI 63425 C FI63425 C FI 63425C FI 771162 A FI771162 A FI 771162A FI 771162 A FI771162 A FI 771162A FI 63425 C FI63425 C FI 63425C
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- FI
- Finland
- Prior art keywords
- solution
- monomers
- weight
- process according
- radiation
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 21
- 229920000058 polyacrylate Polymers 0.000 title claims description 10
- 238000005057 refrigeration Methods 0.000 title 2
- 239000000178 monomer Substances 0.000 claims description 60
- 239000000243 solution Substances 0.000 claims description 54
- 230000005855 radiation Effects 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 24
- 238000006116 polymerization reaction Methods 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- -1 alkali metal salts Chemical class 0.000 claims description 11
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical group CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 239000003607 modifier Substances 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
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 229920006317 cationic polymer Polymers 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 125000005250 alkyl acrylate group Chemical group 0.000 claims 1
- 229920006318 anionic polymer Polymers 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000004033 plastic Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000005871 repellent Substances 0.000 description 6
- 229920006243 acrylic copolymer Polymers 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 3
- 239000012267 brine Substances 0.000 description 3
- ISAOCJYIOMOJEB-UHFFFAOYSA-N desyl alcohol Natural products C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 244000028419 Styrax benzoin Species 0.000 description 2
- 235000000126 Styrax benzoin Nutrition 0.000 description 2
- 235000008411 Sumatra benzointree Nutrition 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 229960002130 benzoin Drugs 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000019382 gum benzoic Nutrition 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229940123457 Free radical scavenger Drugs 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- WURBFLDFSFBTLW-UHFFFAOYSA-N benzil Chemical group C=1C=CC=CC=1C(=O)C(=O)C1=CC=CC=C1 WURBFLDFSFBTLW-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical class CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 125000005395 methacrylic acid group Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/123—Ultraviolet light
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/12—Spreading-out the material on a substrate, e.g. on the surface of a liquid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/006—Removal of residual monomers by chemical reaction, e.g. scavenging
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/001—Shaping in several steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/08—Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0058—Liquid or visquous
- B29K2105/0073—Solution
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/923—Ethylenic monomers containing at least one salt group
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
- Y10T428/31699—Ester, halide or nitrile of addition polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Claims (10)
1. Förfarande för framställning av vattenlösliga högmoleky-lära akrylpolymerer innehällande i ringa min eller icke alls fria monomerer och lämpliga i synnerhet för behandling av vatten, var-vid man anbringar kontinuerligt och i form av ett tunt skikt pä ett underlag en vattenlösning av en eller flera akrylmonomerer, som innehäller ett fotopolymerisationen befrämjande ämne cirka 0,005- 1 vikt-% beräknat pk mängden av en eller flera monomerer, och varvid pä den tunna vätskefilmen riktas en strälning som har en väglängd av 300-450 ^um, kännetecknat därav, att mono- merlösningen innehäller syre under 1, företrädesvls under 0,5 mg/1, och att besträlningen utförs i tre steg, varvid i det första ste- get den tunna vätskefilmen besträlas under en tid av 1-20, företrä- desvis 3-7 min, varvid den aktiva strälningen har en genomsnittlig 2 effekt av 20-300 W/m , den gasatmosfär som täcker lösningen under fotopolymerisationen har en syrehalt under 5, företrädesvis under 0,5 volym-% och underlaget kyIs för avlägsnande av den värme som utvecklas under polymerisationen; i det andra steget hälls det tunna skikt, vilket under det första steget har börjat polymeri-seras, pä det kylda underlaget i en syrefri gasatmosfär och den besträlas 1-20 företrädesvis 3-10 minuter, varvid den aktiva strälningen har en genomsnittlig effekt över 300 men under 2000 W/m ; det erhällna icke-vätskeformiga, tunna skiktet lösgörs frän underlaget och bringas i kontakt med luft och besträlas i det tred-je steget under en tid av 30 min - 3 h, företrädesvis 40-90 min, varvid den aktiva strälningen har en genomsnittlig effekt av 20 -500 W/m2.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att pH-värdet i monomerlösningen är 8-13,5 för att erh&lla icke-joniska eller anjoniska polymerer, och 3-6 för att erhälla katjoniska polymerer.
3. Förfarande enligt patentkravet 1 eller 2, kännetecknat därav, att kylningen av underlaget i det första och andra steget är sädan, att yttemperaturen av det tunna skikt som skall fotopolymeriseras är under 70°C, företrädesvis under 60°C.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7611634 | 1976-04-14 | ||
FR7611634A FR2348227A1 (fr) | 1976-04-14 | 1976-04-14 | Perfectionnement aux procedes de preparation de polymeres acryliques hydrosolubles par photopolymerisation |
Publications (3)
Publication Number | Publication Date |
---|---|
FI771162A FI771162A (sv) | 1977-10-15 |
FI63425B FI63425B (fi) | 1983-02-28 |
FI63425C true FI63425C (fi) | 1983-06-10 |
Family
ID=9172061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI771162A FI63425C (fi) | 1976-04-14 | 1977-04-13 | Foerfarande foer framstaellning av vattenloesliga hoegmolekylaera akrylpolymerer laempliga i synnerhet foer behandling av vatten |
Country Status (16)
Country | Link |
---|---|
US (1) | US4178221A (sv) |
JP (1) | JPS52126494A (sv) |
BE (1) | BE853559A (sv) |
BR (1) | BR7702303A (sv) |
CA (1) | CA1065792A (sv) |
DE (1) | DE2716606C2 (sv) |
DK (1) | DK149156C (sv) |
ES (1) | ES457741A1 (sv) |
FI (1) | FI63425C (sv) |
FR (1) | FR2348227A1 (sv) |
GB (1) | GB1581178A (sv) |
IT (1) | IT1075396B (sv) |
LU (1) | LU77130A1 (sv) |
NL (1) | NL184733C (sv) |
NO (1) | NO148850C (sv) |
SE (1) | SE425494B (sv) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2428053A2 (fr) * | 1978-06-09 | 1980-01-04 | Rhone Poulenc Ind | Procede de photopolymerisation pour polymeres floculants |
FR2428054A1 (fr) * | 1978-06-09 | 1980-01-04 | Rhone Poulenc Ind | Procede de photopolymerisation pour polymeres floculants |
FR2431876A2 (fr) * | 1978-07-24 | 1980-02-22 | Rhone Poulenc Ind | Procede de preparation de solutions aqueuses de monomeres olefiniques en vue d'une photopolymerisation |
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-
1976
- 1976-04-14 FR FR7611634A patent/FR2348227A1/fr active Granted
-
1977
- 1977-04-11 US US05/786,659 patent/US4178221A/en not_active Expired - Lifetime
- 1977-04-12 GB GB15163/77A patent/GB1581178A/en not_active Expired
- 1977-04-12 CA CA276,007A patent/CA1065792A/fr not_active Expired
- 1977-04-12 JP JP4191877A patent/JPS52126494A/ja active Granted
- 1977-04-12 BR BR7702303A patent/BR7702303A/pt unknown
- 1977-04-13 LU LU77130A patent/LU77130A1/xx unknown
- 1977-04-13 NL NLAANVRAGE7704035,A patent/NL184733C/xx not_active IP Right Cessation
- 1977-04-13 SE SE7704252A patent/SE425494B/sv not_active IP Right Cessation
- 1977-04-13 BE BE176688A patent/BE853559A/xx not_active IP Right Cessation
- 1977-04-13 ES ES457741A patent/ES457741A1/es not_active Expired
- 1977-04-13 DK DK163777A patent/DK149156C/da not_active IP Right Cessation
- 1977-04-13 NO NO771276A patent/NO148850C/no unknown
- 1977-04-13 FI FI771162A patent/FI63425C/fi not_active IP Right Cessation
- 1977-04-14 IT IT22458/77A patent/IT1075396B/it active
- 1977-04-14 DE DE2716606A patent/DE2716606C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2348227B1 (sv) | 1978-08-25 |
SE425494B (sv) | 1982-10-04 |
NL184733C (nl) | 1989-10-16 |
IT1075396B (it) | 1985-04-22 |
NL184733B (nl) | 1989-05-16 |
SE7704252L (sv) | 1977-10-15 |
CA1065792A (fr) | 1979-11-06 |
JPS5512445B2 (sv) | 1980-04-02 |
BR7702303A (pt) | 1978-05-09 |
DK163777A (da) | 1977-10-15 |
NL7704035A (nl) | 1977-10-18 |
JPS52126494A (en) | 1977-10-24 |
NO148850B (no) | 1983-09-19 |
FR2348227A1 (fr) | 1977-11-10 |
NO771276L (no) | 1977-10-17 |
DK149156B (da) | 1986-02-17 |
LU77130A1 (sv) | 1978-06-01 |
US4178221A (en) | 1979-12-11 |
DK149156C (da) | 1986-07-21 |
DE2716606C2 (de) | 1985-08-01 |
GB1581178A (en) | 1980-12-10 |
DE2716606A1 (de) | 1977-10-20 |
FI771162A (sv) | 1977-10-15 |
FI63425B (fi) | 1983-02-28 |
NO148850C (no) | 1984-01-04 |
BE853559A (fr) | 1977-10-13 |
ES457741A1 (es) | 1978-02-16 |
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MM | Patent lapsed |
Owner name: RHONE- POULENC INDUSTRIES |