JPH10507215A - ポリエーテル、ポリエステル及びポリエーテルエステルからヘテロポリ化合物を分離除去する方法 - Google Patents
ポリエーテル、ポリエステル及びポリエーテルエステルからヘテロポリ化合物を分離除去する方法Info
- Publication number
- JPH10507215A JPH10507215A JP8512330A JP51233096A JPH10507215A JP H10507215 A JPH10507215 A JP H10507215A JP 8512330 A JP8512330 A JP 8512330A JP 51233096 A JP51233096 A JP 51233096A JP H10507215 A JPH10507215 A JP H10507215A
- Authority
- JP
- Japan
- Prior art keywords
- protic
- compound
- heteropoly
- polymer
- monomer
- Prior art date
- 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.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 42
- 229920000570 polyether Polymers 0.000 title claims description 28
- 239000004721 Polyphenylene oxide Substances 0.000 title claims description 15
- 229920000728 polyester Polymers 0.000 title claims description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 49
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 10
- 239000003463 adsorbent Substances 0.000 claims abstract description 8
- 239000000178 monomer Substances 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 238000006116 polymerization reaction Methods 0.000 claims description 19
- 239000002904 solvent Substances 0.000 claims description 11
- 238000004821 distillation Methods 0.000 claims description 7
- -1 polyoxytetramethylene group Polymers 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 150000004679 hydroxides Chemical class 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 229910000000 metal hydroxide Inorganic materials 0.000 claims 1
- 239000002685 polymerization catalyst Substances 0.000 claims 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims 1
- 230000001256 tonic effect Effects 0.000 claims 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 81
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 40
- 239000012071 phase Substances 0.000 description 36
- 239000002253 acid Substances 0.000 description 22
- 239000003054 catalyst Substances 0.000 description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 229910020628 SiW12O40 Inorganic materials 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 229910020881 PMo12O40 Inorganic materials 0.000 description 5
- 238000007334 copolymerization reaction Methods 0.000 description 5
- 150000004292 cyclic ethers Chemical class 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 150000002596 lactones Chemical class 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- 229920000909 polytetrahydrofuran Polymers 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 239000011964 heteropoly acid Substances 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 150000001241 acetals Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- 239000001177 diphosphate Substances 0.000 description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 2
- 235000011180 diphosphates Nutrition 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 2
- DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical compound [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241001214176 Capros Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229940126062 Compound A Drugs 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000932075 Priacanthus hamrur Species 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229940000489 arsenate Drugs 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000010538 cationic polymerization reaction Methods 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-M iodate Chemical compound [O-]I(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-M 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon 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
- 239000002594 sorbent Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/88—Post-polymerisation treatment
- C08G63/90—Purification; Drying
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyethers (AREA)
- Polyesters Or Polycarbonates (AREA)
- Saccharide Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.ポリマー、即ちポリエーテル−、ポリエステル−及び/又はポリエーテル エステル、プロトン性成分及びヘテロポリ化合物を含有している混合物からヘテ ロポリ化合物を分離する方法において、プロトン性成分を混合物から除去し、そ の後にヘテロポリ化合物を別個の相として分離することを特徴とする、ポリマー 、即ちポリエーテル−、ポリエステル−及び/又はポリエーテルエステル、プロ トン性成分及びヘテロポリ化合物を含有している混合物からヘテロポリ化合物を 分離する方法。 2.ポリオキシテトラメチレン基を有しているポリエーテルを使用する、請求 項1に記載の方法。 3.プロトン性成分を膜分離法を用いてポリマー溶液から除去する、請求項1 又は2に記載の方法。 4.プロトン性成分を、蒸留により、場合により共沸により、場合により存在 する未反応モノマー及び/又は溶剤と一緒に混合物から分離する、請求項1又は 2に記載の方法。 5.未反応モノマー及び場合により存在する溶剤を完全に留去し、ヘテロポリ 化合物を前記のモノマーの添加により実質的に純粋な形で沈殿させる、請求項4 に記載の方法。 6.添加される実質的に純粋なモノマーとしてテト ラヒドロフランを使用する、請求項5に記載の方法。 7.蒸留の際の圧力を、50〜70℃の蒸留温度が生じるように選択する、請 求項4から6のいずれかに記載の方法。 8.プロトン性成分の分離及び場合により前記の実質的に純粋なモノマーの添 加の後のモノマー−ポリマー重量比が0.1:1〜10:1である、請求項4か ら7のいずれかに記載の方法。 9.ポリマー溶液を、プロトン性成分の除去及びヘテロポリ化合物の分離の後 に、ヘテロポリ化合物を吸着することができる固体吸着剤と接触させる、請求項 1から8のいずれかに記載の方法。 10.固体吸着剤として、活性炭、酸化アルミニウム、アルカリ土類金属−及 び希土類金属酸化物、−水酸化物及び−炭酸塩並びに塩基性イオン交換体の群か らの1種又は数種の混合物を使用する、請求項1から9のいずれかに記載の方法 。 11.分離されたプロトン性成分を、同様に分離されたモノマー及び/又は溶 剤と一緒に重合の際に再使用する、請求項4から10のいずれかに記載の方法。 12.プロトン性成分の除去の後に分離されたヘテロポリ化合物を、重合触媒 として再使用する、請求項1から11のいずれかに記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4435920A DE4435920A1 (de) | 1994-10-07 | 1994-10-07 | Verfahren zur Abtrennung von Heteropolyverbindungen aus Polyethern, Polyestern und Polyetherestern |
DE4435920.9 | 1994-10-07 | ||
PCT/EP1995/003955 WO1996011221A1 (de) | 1994-10-07 | 1995-10-06 | Verfahren zur abtrennung von heteropolyverbindungen aus polyethern, polyestern und polyetherestern |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10507215A true JPH10507215A (ja) | 1998-07-14 |
JP3776123B2 JP3776123B2 (ja) | 2006-05-17 |
Family
ID=6530236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51233096A Expired - Lifetime JP3776123B2 (ja) | 1994-10-07 | 1995-10-06 | ポリエーテル、ポリエステル及びポリエーテルエステルからヘテロポリ化合物を分離除去する方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5951829A (ja) |
EP (1) | EP0784642B1 (ja) |
JP (1) | JP3776123B2 (ja) |
KR (1) | KR100358481B1 (ja) |
CN (1) | CN1071345C (ja) |
DE (2) | DE4435920A1 (ja) |
ES (1) | ES2128771T3 (ja) |
WO (1) | WO1996011221A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016515150A (ja) * | 2013-03-06 | 2016-05-26 | ディーエスエム アイピー アセッツ ビー.ブイ. | 熱可塑性コポリエーテルエステルエラストマーを含む難燃性組成物 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9828020D0 (en) * | 1998-12-18 | 1999-02-10 | Bp Chem Int Ltd | Synthesis of heteropolyacids |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6401603A (ja) * | 1963-03-22 | 1964-09-23 | ||
GB1369304A (en) * | 1972-03-06 | 1974-10-02 | Marles Kuhlmann Wyandotte Soc | Purification of polyols |
EP0000944A1 (en) * | 1977-08-31 | 1979-03-07 | Basf Wyandotte Corporation | Filtration process for purifying polyols |
CA1216597A (en) * | 1983-05-23 | 1987-01-13 | Atsushi Aoshima | Process for producing polyetherglycol |
US4658065A (en) * | 1984-03-28 | 1987-04-14 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for producing polyether polyol and a product |
DE3583988D1 (de) * | 1984-11-13 | 1991-10-10 | Asahi Chemical Ind | Verfahren zur reinigung von polyalkylenaethern. |
JPS61200120A (ja) * | 1985-03-01 | 1986-09-04 | Nippon Shokubai Kagaku Kogyo Co Ltd | ラクトン変性化合物の製造方法 |
US4952668A (en) * | 1989-05-22 | 1990-08-28 | E. I. Du Pont De Nemours And Company | Process for the production of polyethyleneterephthalate from dimethylterephthalate |
US4946939A (en) * | 1989-05-30 | 1990-08-07 | The Dow Chemical Company | High purity polyether polyols |
SU1754732A1 (ru) * | 1989-11-04 | 1992-08-15 | Институт катализа СО АН СССР | Способ получени политетраметиленэфиргликол |
DE3937797A1 (de) * | 1989-11-14 | 1991-05-16 | Basf Ag | Verfahren zur herstellung von polyetherglykolen |
DE4108045A1 (de) * | 1991-03-13 | 1992-09-17 | Basf Ag | Verfahren zur herstellung von polyoxyalkylenglykol monoethern von einwertigen alkoholen |
DE4108046A1 (de) * | 1991-03-13 | 1992-09-17 | Basf Ag | Verfahren zur herstellung von polyoxyalkylenglykol-monoestern von monocarbonsaeuren |
DE4108044A1 (de) * | 1991-03-13 | 1992-09-17 | Basf Ag | Verfahren zur herstellung von polyoxyalkylenglykolen |
JPH0883028A (ja) * | 1994-09-12 | 1996-03-26 | Konica Corp | 画像形成方法と装置 |
DE4435934A1 (de) * | 1994-10-07 | 1996-04-11 | Basf Ag | Verfahren zur Entfernung von Heteropolyverbindungen aus Polyethern, Polyestern und Polyetherestern |
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1994
- 1994-10-07 DE DE4435920A patent/DE4435920A1/de not_active Withdrawn
-
1995
- 1995-10-06 ES ES95934660T patent/ES2128771T3/es not_active Expired - Lifetime
- 1995-10-06 CN CN95196115A patent/CN1071345C/zh not_active Expired - Lifetime
- 1995-10-06 EP EP95934660A patent/EP0784642B1/de not_active Expired - Lifetime
- 1995-10-06 WO PCT/EP1995/003955 patent/WO1996011221A1/de active IP Right Grant
- 1995-10-06 DE DE59505316T patent/DE59505316D1/de not_active Expired - Lifetime
- 1995-10-06 US US08/809,688 patent/US5951829A/en not_active Expired - Fee Related
- 1995-10-06 KR KR1019970702224A patent/KR100358481B1/ko not_active IP Right Cessation
- 1995-10-06 JP JP51233096A patent/JP3776123B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016515150A (ja) * | 2013-03-06 | 2016-05-26 | ディーエスエム アイピー アセッツ ビー.ブイ. | 熱可塑性コポリエーテルエステルエラストマーを含む難燃性組成物 |
Also Published As
Publication number | Publication date |
---|---|
US5951829A (en) | 1999-09-14 |
CN1071345C (zh) | 2001-09-19 |
DE59505316D1 (de) | 1999-04-15 |
CN1162966A (zh) | 1997-10-22 |
EP0784642B1 (de) | 1999-03-10 |
DE4435920A1 (de) | 1996-04-11 |
WO1996011221A1 (de) | 1996-04-18 |
ES2128771T3 (es) | 1999-05-16 |
JP3776123B2 (ja) | 2006-05-17 |
KR100358481B1 (ko) | 2003-01-29 |
KR970706330A (ko) | 1997-11-03 |
EP0784642A1 (de) | 1997-07-23 |
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