TW487622B - Process for feeding additives into a polymer melt stream - Google Patents
Process for feeding additives into a polymer melt stream Download PDFInfo
- Publication number
- TW487622B TW487622B TW088112338A TW88112338A TW487622B TW 487622 B TW487622 B TW 487622B TW 088112338 A TW088112338 A TW 088112338A TW 88112338 A TW88112338 A TW 88112338A TW 487622 B TW487622 B TW 487622B
- Authority
- TW
- Taiwan
- Prior art keywords
- polymer melt
- pump
- melt stream
- additive
- additives
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 50
- 239000000654 additive Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 230000000996 additive effect Effects 0.000 claims description 20
- 230000003068 static effect Effects 0.000 claims description 10
- 230000002079 cooperative effect Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011064 split stream procedure Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000000326 ultraviolet stabilizing agent Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/32—Injector mixers wherein the additional components are added in a by-pass of the main flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/60—Pump mixers, i.e. mixing within a pump
- B01F25/62—Pump mixers, i.e. mixing within a pump of the gear type
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F2025/91—Direction of flow or arrangement of feed and discharge openings
- B01F2025/919—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings
- B01F2025/9191—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component
- B01F2025/91911—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component with feed openings in the center of the main flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2805—Mixing plastics, polymer material ingredients, monomers or oligomers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Description
2 2 76 8 經濟部中央標準局員工消費合作社印製 A7 B7五、發明説明(1 ) 發明背景‘ 發明領域 本發明係關於將添加劑餵入聚合物熔化流中之一種方 法;在此方法中,自聚合物熔化流中取出一分流,與添加 劑混合,而後再輸入聚合物熔化流中。 # 相關技藝之摘要 將添加劑加入流動之熔化聚合物係已知的。在Chemi-efasern/Textilindustrie 〔人纖 / 紡織工業〕卷 36/88, 1996 年 1月,第24至29頁中描述一種方法將添加劑加入流動之熔 化聚合物中,自最終反應器或擠壓機排出之未經改質之熔 化聚合物主流中取出約5 %至10 %之分流,送入並通過一 配有特別捏合元件之雙螺桿擠壓機;適合之添加劑經由一 種連續式計量案統加入雙螺桿擠壓機中而均勻地混合熔化 物中。然後將加有添加劑之熔化物回頭混入熔化主流中, 經過一靜態攪拌元件使得添加劑均一的分佈。 德國專利第4039857號敘述用於聚合物熔化流直接連續 改質之一種方法及裝置。將欲改質的熔化物取出一分流, 送入雙螺桿擠壓機中;添加劑則經由一輸送泵加入雙螺桿 擠壓機中;將改質後之熔化分流送回熔化主流。 歐洲專利第5321988號敘述用於製造隨機共聚酯之一種 方法。根據一種較爲人偏好之實施例中,將一種聚酯(B) 及10至50重量%之另一種聚酯(A)輸送至一種混合擠壓機, 然後於一種靜態攪拌管中將擠壓物與其他之90至50重量% 之聚酯(A)混合。 (請先閲讀背面之注意事項再填寫 .裝.
、1T 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐) 2 2 76 48 A7 B7五、發明説明(2 ) 自 Franz Fourne 所著之 Synthetische Fasern (合成纖維) ,HanserVerlag出版社,1995,第316至318頁知曉,可使 用行星轉輪紡絲泵來輸送聚合物熔化物。此等行星轉輪泵 通常具有3至8個泵齒輪轉輪,在同一平面上圍繞著一個 充當驅動作用之行星齒轉輪;唯一之熔化物入口係位於中 央之一種流體通道之形式,而η個出口係個別排列在一個 經濟部中央標準局員工消費合作社印製 齒轉輪楔 本發 其中可達 ;即使當 可確保此 根據 具有η個 ,該分流 個泵齒轉 加劑及分 聚合物熔 視需 流之前, 明包含一種將添加 成添加劑與一部份 添加劑具有與熔化 種均勻混合。 本發明,將流動之 泵齒轉輪之行星轉 可視需要分割成2 輪中。添加劑則加 流(次分流)在行 化流中。 要,將分流/添加 發 明概要 劑加到聚合物熔化流之方法, 聚合物熔化流之先期均勻混合 聚合物不同之流變性質時,仍 熔化聚合物分出一分流,導入 輪泵;於進入行星轉輪泵之前 至η-1個次分流,——導入各 入其他所有之泵齒轉輪中;添 星轉輪泵中混合然後回頭導入 劑混合物在返回至聚合物熔化 流過一靜態攪拌管予以混合,同時/或者於分流 /添加劑混合物加入聚合物熔化流之後,將聚合物熔化流 流過一靜態攪拌管。 前文僅摘述本發明之某些層面,旣未意圖亦不應被視 爲對本發明的限制。本發明於下文將化較詳細的揭示。所 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 請 先 閲 讀 背 之 注 意 事 項 裝 訂 線 Μ 簡 餘m. 487622 經濟部中央標準局員工消費合作社印製 A 7 B7五、發明説明(3 ) 有之專利及其他出版物,包括先前文件德國專利申請案 19841376.9,均以參考文件之方式完整地併入下文之敘述。 圖說之概要說明 附圖表示的是將添加劑加入流動之熔化聚合物的方法 之簡化的槪略流程圖。 本發明之詳細說明 本發明包含一種將添加劑加到聚合物熔化流中的方法 ,其中可達成添加劑與一部份聚合物熔化流之先期均勻混 合。本方法包括將1個至最多n-1個聚合物熔化流分流直 接導入具有n個泵齒轉輪之行星轉輪泵中之1個至最多η-1個泵齒轉輪;同時直接將添加劑加到行星轉輪泵之其他 至少一個之泵齒轉輪,在此添加劑與聚合物熔化流分流混 合;而混合後之分流自行星轉輪泵之中央入口流出,而後 導入聚合物熔化流中。使用之聚合物可以是,諸如聚酯、 聚醯胺、聚胺甲酸乙酯或聚烯烴;使用之添加劑可以是諸 如熱安定劑、紫外線安定劑、潤滑劑、共聚物、或色素濃 縮物。數目η可以是2至10。自聚合物熔化流主流中分割 以與添加劑混合之分流之數量通常係聚合物熔化流之2 % 至10 %。已與添加劑混合之分流係自行星轉輪泵之入口移 出。因此行星轉輪泵係由出口至入口操作,亦即與其他情 況下通常之流動方向相反。令人很驚訝異地發現,於行星 轉輪泵之出口,添加劑與聚合物熔化流之分流混合充份且 均勻。 也可以將不同之添加劑加入行星轉輪泵之泵齒轉輪並 (請先閲讀背面之注意事項再填寫 赢 •裝. 訂 線 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐) 2 2 6 7 8 A7 B7 經濟部中央樣準局員工消費合作社印製 五、發明説明 將彼等均 劑之間或 異,仍然 聚合物熔 式流過一 添加 速地均均 選用靜態 攪拌管。 當分 合物熔化 前方分割 發明之一 本發明, 是當使用 根據 之分流於 再導入聚 合以一'種 化流具有 根據 勻地加 添加劑 是有利 化流, 靜態攪 劑與聚 分佈於 攪拌管 流之數 流取出 成次分 種較佳 均勻之 數種添 本發明 離開行 合物熔 較簡單 有利之 本發明 到聚合物熔化流之分流中。即使各種添加 與聚合物熔化流之間流變性質有鉅大的差 可行的,而後已與添加劑混合之分流送回 聚合物熔化流可以再以一種特別有利的方 拌管。 合物熔化流分流先期混合使得添加劑較快 聚合物熔化流中。由於此種先期混合,若 時,可以選擇一種較短的混合區域的靜態 目爲2或大於2時,各 ,或取出單一分流,在 流,或兩種情形之各種 之具體實施例中,數目 混合係以一種特別有利 加劑時,可同時維持較 之另一項較佳具體實施 星轉輪泵之後係流過一 化流中。使用此種措施 的方式增加,並對於均 效應。 個分流可 加到行星 組合均可 η係3至 之方式達 低之結構 例,與添 靜態攪拌 之結果, 勻地導入 同時自聚 轉輪泵之 行。係本 8。根據 成,特別 費用。 加劑混合 管,而後 均勻之混 聚合物熔 之另一項較佳具體實施例,饌入至少一個 泵齒轉輪之添加劑集中輸入於行星轉輪泵之泵入口的軸心 (聚合物熔化流的出口),在其中某處與聚合物熔化流分 流匯合。經由此方式,於短距離內較快速地產生均勻的混 本紙張尺度適用中國國家標準(CNS ) Α4規格(210X 297公釐) 請 先 閲 讀 背 面 之 注 裝 訂 線 5 5487622 合。 本發明可用附圖進一步詳細說明,該圖係本發明之圖 例說明。熟諳此技藝者將會注意到,圖中表示之方案可作 多種變化而不偏離本發明之範圍。 本圖以簡化之圖示舉例說明將添加劑(4)加入到聚合物 熔化流⑴的方法。自聚合物熔化流⑴取出分流(2),並將之 割成三個次分流(2a, 2b, 2c)。將每個次分流(2a,2b,2c)輸送 至行星轉輪泵⑶之各個泵齒轉輪(3a,3b, 3c )。該行星轉輪 泵⑶具有4個泵齒輪(3a,3b,3c,3d)。添加劑⑷與經分割之 次分流⑵於行星轉輪泵⑶中均勻的混合。已與添加劑混合 之分流(5)集中於行星轉輪泵⑶之入口 , 自行星轉輪泵⑶ 移出,並導入聚合物熔化流⑴中;在導入聚合物熔化流⑴ 之前,先流過靜態攪拌管(6),有助於均勻的混合。已與添 加劑⑷混合之分流(5)係通過噴嘴(7)導入聚合物熔化流⑴中 ;另一個靜態攪拌管⑻協助已與添加劑混合之分流⑸均勻 的混合加入聚合物熔化流(1)中。 根據本方法之一種變通,可以將不同之添加劑⑷加到 2個泵齒轉輪(3c,3d),同時將分流(2)分割成二個次分流 (2a, 2b),經分割之分流⑵可同時方便地與兩種不同之添加 劑(4)(未表示出)均勻地混合。
Claims (1)
- 487622申請專利範圍 一種用於將添加劑加於聚合物熔化流之方法,該方法包 含·· a) 自聚合物熔化流移出1至 b) 引導該分流至具有η個泵 至η-1個泵齒轉輪; c) 將該分流與同時直接供料 之添加劑混合; d) 於該行星轉輪泵之入口自 添加劑混合之分流; e) 將已與添加劑混合之分流 2. 如申請範圍第1項之方法, 3. 如申請範圍第1項之方法, 於導入聚合物熔化流之前流 態攪拌管。 4. 如申請範圍第1項之方法, 之添加劑係集中輸入於行星 其中某處與聚合物熔化流分 n-1個分流; 齒轉輪之行星轉輪泵中之1 至最少一個之其他泵齒轉輪 該行星轉輪泵集中移出已與 加入聚合物熔化流中。 其中η係3至8。 其中已與添加劑混合之分流 過行星轉輪泵出口下游之靜 其中加到至少一個泵齒轉輪 轉輪泵之泵入口的軸心,在 流匯合。 (請先閱讀背¾.之注意事·项 本I) 、言 I 經濟部中央標準局員工消費合作社印裂 11賴 本紙張尺度適用中國國家標準(CNS ) A4規格(21〇Χ297公釐)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19841376A DE19841376A1 (de) | 1998-09-10 | 1998-09-10 | Verfahren zur Einspeisung von Additiven in einen Polymerschmelzestrom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW487622B true TW487622B (en) | 2002-05-21 |
Family
ID=7880491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW088112338A TW487622B (en) | 1998-09-10 | 1999-09-03 | Process for feeding additives into a polymer melt stream |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6313200B1 (zh) |
| EP (1) | EP0988955B1 (zh) |
| CN (1) | CN1194845C (zh) |
| AT (1) | ATE234719T1 (zh) |
| DE (2) | DE19841376A1 (zh) |
| ES (1) | ES2190629T3 (zh) |
| PT (1) | PT988955E (zh) |
| TR (1) | TR199902088A2 (zh) |
| TW (1) | TW487622B (zh) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10022889B4 (de) * | 2000-05-25 | 2007-12-20 | Lurgi Zimmer Gmbh | Verfahren zum Herstellen von synthetischen Fäden aus einer Polymermischung auf Polyesterbasis |
| DE10049617B4 (de) * | 2000-10-05 | 2005-03-10 | Zimmer Ag | Vorrichtung zum Vormischen und Einspeisen von Additiven in einen Polymerstrom |
| DE10126133B4 (de) * | 2001-05-29 | 2007-03-29 | Karl-Heinz Wiltzer | Verfahren und Vorrichtung zur Herstellung von hochviskosen oder hochstabilisierten Polykondensaten und entmonomerisiertem PA 6 |
| DE10318108A1 (de) * | 2003-04-22 | 2004-11-11 | Bayer Ag | Verfahren zur Mischung von Polymerschmelzen mit Additiven |
| DE10356821A1 (de) * | 2003-12-05 | 2005-07-07 | Bayer Materialscience Ag | Verfahren zur Mischung von Polymerschmelzen mit Additiven |
| DE10357182A1 (de) * | 2003-12-06 | 2005-06-30 | Bayer Materialscience Ag | Verfahren zum schonenden Eintragen von Additiven, Katalysatoren oder Inhibitoren in Polymerschmelzen |
| US7358322B2 (en) | 2004-03-09 | 2008-04-15 | Eastman Chemical Company | High IV melt phase polyester polymer catalyzed with antimony containing compounds |
| US20060047102A1 (en) | 2004-09-02 | 2006-03-02 | Stephen Weinhold | Spheroidal polyester polymer particles |
| US8557950B2 (en) | 2005-06-16 | 2013-10-15 | Grupo Petrotemex, S.A. De C.V. | High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates |
| US9267007B2 (en) * | 2005-09-16 | 2016-02-23 | Grupo Petrotemex, S.A. De C.V. | Method for addition of additives into a polymer melt |
| US8431202B2 (en) | 2005-09-16 | 2013-04-30 | Grupo Petrotemex, S.A. De C.V. | Aluminum/alkaline or alkali/titanium containing polyesters having improved reheat, color and clarity |
| CN101351492B (zh) * | 2005-09-16 | 2011-12-14 | 伊士曼化工公司 | 后加入方法实现缩聚物的组成改性 |
| US7838596B2 (en) | 2005-09-16 | 2010-11-23 | Eastman Chemical Company | Late addition to effect compositional modifications in condensation polymers |
| US7655746B2 (en) | 2005-09-16 | 2010-02-02 | Eastman Chemical Company | Phosphorus containing compounds for reducing acetaldehyde in polyesters polymers |
| US7932345B2 (en) | 2005-09-16 | 2011-04-26 | Grupo Petrotemex, S.A. De C.V. | Aluminum containing polyester polymers having low acetaldehyde generation rates |
| US20070133346A1 (en) * | 2005-12-14 | 2007-06-14 | Tommy Jacobson | Mixing of chemicals into a thin stock pipe |
| DE102006026254A1 (de) * | 2006-06-02 | 2007-12-06 | Schmidt & Heinzmann Gmbh & Co. Kg | Vorrichtung zum Erzeugen einer Komponentenmischung aus mindestens zwei Komponenten und Verfahren hierzu |
| US7709593B2 (en) | 2006-07-28 | 2010-05-04 | Eastman Chemical Company | Multiple feeds of catalyst metals to a polyester production process |
| US7709595B2 (en) | 2006-07-28 | 2010-05-04 | Eastman Chemical Company | Non-precipitating alkali/alkaline earth metal and aluminum solutions made with polyhydroxyl ether solvents |
| US7745368B2 (en) | 2006-07-28 | 2010-06-29 | Eastman Chemical Company | Non-precipitating alkali/alkaline earth metal and aluminum compositions made with organic hydroxyacids |
| US8563677B2 (en) | 2006-12-08 | 2013-10-22 | Grupo Petrotemex, S.A. De C.V. | Non-precipitating alkali/alkaline earth metal and aluminum solutions made with diols having at least two primary hydroxyl groups |
| CN104130573B (zh) * | 2013-05-01 | 2018-08-07 | 英威达纺织(英国)有限公司 | 向聚合物中掺入添加剂的方法及由此产生的聚合物产品 |
| CN104130392B (zh) * | 2013-05-01 | 2018-10-26 | 英威达纺织(英国)有限公司 | 混合用于聚酰胺合成的侧流 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2619160A1 (de) * | 1976-04-30 | 1977-11-17 | Motan Gmbh | Einfaerbegeraet fuer fluessigfarben |
| GB2066140B (en) * | 1979-10-12 | 1983-05-25 | Gen Eng Radcliffe | Method and apparatus for the incorporation of additives into plastics materials |
| DE4039857A1 (de) * | 1990-10-19 | 1992-04-23 | Inventa Ag | Verfahren und vorrichtung zur direkten, kontinuierlichen modifizierung von polymerschmelzen |
| DE4131362A1 (de) | 1991-09-20 | 1993-03-25 | Zimmer Ag | Verfahren zur herstellung statistischer copolyester |
| DE4134682C2 (de) * | 1991-10-21 | 1995-02-09 | Gezolan Ag | Verfahren zur kontinuierlichen Herstellung von hitzevernetzbaren und/oder thermoplastischen Elastomer-Mischungen |
-
1998
- 1998-09-10 DE DE19841376A patent/DE19841376A1/de not_active Withdrawn
-
1999
- 1999-07-14 US US09/353,094 patent/US6313200B1/en not_active Expired - Fee Related
- 1999-07-30 AT AT99114900T patent/ATE234719T1/de not_active IP Right Cessation
- 1999-07-30 ES ES99114900T patent/ES2190629T3/es not_active Expired - Lifetime
- 1999-07-30 EP EP99114900A patent/EP0988955B1/de not_active Expired - Lifetime
- 1999-07-30 DE DE59904601T patent/DE59904601D1/de not_active Expired - Lifetime
- 1999-07-30 PT PT99114900T patent/PT988955E/pt unknown
- 1999-08-27 TR TR1999/02088A patent/TR199902088A2/xx unknown
- 1999-09-01 CN CNB991183681A patent/CN1194845C/zh not_active Expired - Fee Related
- 1999-09-03 TW TW088112338A patent/TW487622B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2190629T3 (es) | 2003-08-01 |
| DE19841376A1 (de) | 2000-03-16 |
| EP0988955B1 (de) | 2003-03-19 |
| PT988955E (pt) | 2003-06-30 |
| EP0988955A2 (de) | 2000-03-29 |
| CN1194845C (zh) | 2005-03-30 |
| CN1247123A (zh) | 2000-03-15 |
| US6313200B1 (en) | 2001-11-06 |
| EP0988955A3 (de) | 2001-11-14 |
| ATE234719T1 (de) | 2003-04-15 |
| TR199902088A2 (xx) | 2000-04-21 |
| DE59904601D1 (de) | 2003-04-24 |
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