ATE184891T1 - Verfahren zur erhöhung des molekulargewichts von polyamiden und anderen polykondensaten - Google Patents

Verfahren zur erhöhung des molekulargewichts von polyamiden und anderen polykondensaten

Info

Publication number
ATE184891T1
ATE184891T1 AT95912776T AT95912776T ATE184891T1 AT E184891 T1 ATE184891 T1 AT E184891T1 AT 95912776 T AT95912776 T AT 95912776T AT 95912776 T AT95912776 T AT 95912776T AT E184891 T1 ATE184891 T1 AT E184891T1
Authority
AT
Austria
Prior art keywords
polymer
polyamides
molecular weight
polycondensate
increase
Prior art date
Application number
AT95912776T
Other languages
English (en)
Inventor
Colin Anolick
Gregory Douglas Cramer
Ramdas Dujari
Win-Chung Lee
Sundar Mohan Rao
Robert Clayton Wheland
Original Assignee
Du Pont
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.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of ATE184891T1 publication Critical patent/ATE184891T1/de

Links

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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28—Preparatory processes
    • 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
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/87—Non-metals or inter-compounds thereof
    • 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
    • C08G63/78—Preparation processes
    • 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
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
AT95912776T 1994-03-08 1995-03-07 Verfahren zur erhöhung des molekulargewichts von polyamiden und anderen polykondensaten ATE184891T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/207,733 US5543495A (en) 1994-03-08 1994-03-08 Process for increasing the molecular weight of polyamides and other condensation polymers

Publications (1)

Publication Number Publication Date
ATE184891T1 true ATE184891T1 (de) 1999-10-15

Family

ID=22771775

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95912776T ATE184891T1 (de) 1994-03-08 1995-03-07 Verfahren zur erhöhung des molekulargewichts von polyamiden und anderen polykondensaten

Country Status (11)

Country Link
US (1) US5543495A (de)
EP (1) EP0797610B1 (de)
JP (1) JP3619253B2 (de)
KR (1) KR100261397B1 (de)
CN (1) CN1053204C (de)
AT (1) ATE184891T1 (de)
AU (1) AU700248B2 (de)
BR (1) BR9507122A (de)
CA (1) CA2182872C (de)
DE (1) DE69512437T2 (de)
WO (1) WO1995024438A2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
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WO1997030106A1 (en) * 1996-02-15 1997-08-21 Ciba Specialty Chemicals Holding Inc. Increasing the molecular weight of polyamides
US5698658A (en) * 1996-05-31 1997-12-16 E. I. Du Pont De Nemours And Company Linear very high molecular weight polyamides and process for producing them
US5955569A (en) * 1996-11-27 1999-09-21 E.I. Du Pont De Nemours And Company Method for solid phase polymerization
US6025459A (en) * 1997-02-12 2000-02-15 The University Of North Carolina At Chapel Hill Synthesis of polyamides in liquid and supercritical CO2
US5980797A (en) * 1997-03-20 1999-11-09 Eastman Chemical Company Apparatus and method for molding polyester articles having low acetaldehyde content directly from the melt formation using flash tank devoltatilization
US6235390B1 (en) 1998-11-03 2001-05-22 E. I. Du Pont De Nemours And Company High RV filaments, and apparatus and processes for making high RV flake and the filaments
US6316518B1 (en) * 1999-02-05 2001-11-13 Advanced Polymer Technology, Inc. Methods of treating polymeric materials, methods of forming nylon, and apparatuses
DE10155242A1 (de) * 2001-11-09 2003-05-22 Bayer Ag Herstellung von Polyamid
DE60315314T2 (de) * 2002-09-16 2008-05-08 Invista Technologies S.A.R.L., Wilmington Herstellungsverfahren von polyamidgarn und polyamidgarn
US6875838B2 (en) * 2003-04-28 2005-04-05 Invista North Americal S.A.R.L. Process for reducing caprolactam and its oligomers in nylon-6 pre-polymer
JP4206837B2 (ja) * 2003-06-18 2009-01-14 三菱瓦斯化学株式会社 回分式加熱装置
CN100471893C (zh) * 2003-09-25 2009-03-25 西巴特殊化学品控股有限公司 缩聚物分子量的提高和改性
KR20120036340A (ko) 2009-07-09 2012-04-17 인비스타 테크놀러지스 에스.에이.알.엘. 폴리아미드의 제조
TWI794146B (zh) 2015-12-01 2023-03-01 美商阿散德性能材料營運公司 具有均一相對黏度及低凝膠含量之高分子量聚醯胺及共聚醯胺
US11376534B2 (en) 2017-06-08 2022-07-05 Ascend Performance Materials Operations Llc Polyamide nanofiber nonwovens for filters
CA3066087C (en) 2017-06-08 2023-04-04 Ascend Performance Materials Operations Llc Polyamide nanofiber nonwovens
JP7395512B2 (ja) 2018-06-08 2023-12-11 アセンド・パフォーマンス・マテリアルズ・オペレーションズ・リミテッド・ライアビリティ・カンパニー 調節可能なナノファイバー不織布製品
WO2020006283A1 (en) 2018-06-27 2020-01-02 Ascend Performance Materials Operations Llc Processes for removing residual caprolactam via ssp water addition
TWI729633B (zh) 2018-12-18 2021-06-01 美商阿散德性能材料營運公司 具有鋅含量的抗微生物非織造聚醯胺
TWI779258B (zh) 2019-01-07 2022-10-01 美商阿散德性能材料營運公司 非鹵化阻燃聚醯胺組合物
CN113677497B (zh) 2019-01-31 2024-02-23 奥升德功能材料运营有限公司 抗冲改性的注射成型聚酰胺
CN113677754B (zh) 2019-02-12 2024-01-16 奥升德功能材料运营有限公司 耐水解聚酰胺
TWI833938B (zh) 2019-04-01 2024-03-01 美商阿散德性能材料營運公司 非鹵化阻燃性聚醯胺組合物
TWI758722B (zh) 2019-05-01 2022-03-21 美商阿散德性能材料營運公司 包含聚醯胺奈米纖維層的過濾器介質
EP4077777A1 (de) 2019-12-18 2022-10-26 Ascend Performance Materials Operations LLC Verfahren zur herstellung von fasern und stoffen und zinkgehalt
CN111424328B (zh) * 2020-03-12 2022-12-06 浙江恒逸石化研究院有限公司 一种包含气相抽提、液相萃取的尼龙熔体直纺方法
CN111905653B (zh) * 2020-07-16 2021-04-20 华峰集团上海工程有限公司 一种聚酰胺的连续聚合反应系统
CN116056874B (zh) 2020-08-13 2025-03-04 奥升德功能材料运营有限公司 具有二聚酸和二聚胺的脂族和半芳族聚酰胺
MX2023005110A (es) 2020-10-30 2023-08-04 Ascend Performance Mat Operations Llc Materiales no tejidos de poliamida en compuestos multicapa para absorción de sonido.
CN112280032B (zh) * 2020-11-03 2021-09-14 北京化工大学 长碳链尼龙材料的制备方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
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US514200A (en) * 1894-02-06 William painter
US3040005A (en) * 1959-01-21 1962-06-19 Du Pont Process for increasing the molecular weight of polyamides
NL6601486A (de) * 1965-02-05 1966-08-08
DE1720623B2 (de) * 1967-02-28 1975-07-17 Hoechst Ag, 6000 Frankurt Verfahren zur Nachkondensation von Polykondensaten
US3558569A (en) * 1968-03-28 1971-01-26 Teijin Ltd Production of polyamide filaments having a high degree of polymerization
US3668161A (en) * 1969-06-09 1972-06-06 Union Carbide Corp Devolatilization of liquid polymer compositions
US3742093A (en) * 1970-04-08 1973-06-26 Welding Engineers Method of separating an insoluble liquid from polymer composition
JPS5111882A (en) * 1974-07-20 1976-01-30 Sumitomo Chemical Co Mihannotanryotaio jokyosuruhoho
US4392804A (en) * 1981-09-04 1983-07-12 The Continental Group, Inc. Solid stating
FR2593510B1 (fr) * 1985-07-31 1989-07-13 Werner & Pfleiderer Procede pour la preparation de polyhexamethyleneadipamide a viscosite elevee
US4912175A (en) * 1988-08-01 1990-03-27 E. I. Du Pont De Nemours And Company Process for in creasing polyamide molecular weight with P containing catalyst
SU1633798A1 (ru) * 1988-10-06 1994-01-15 Научно-производственное объединение "Пластмассы" Способ удаления низкомолекулярных соединений из расплава поликапроамида
US4966949A (en) * 1988-10-20 1990-10-30 E. I. Du Pont De Nemours And Company Process for increasing the molecular weight of a polyamide with p containing catalyst
EP0410230A3 (en) * 1989-07-26 1992-02-26 Bayer Ag Process for preparing high molecular weight polyamides
GB8917156D0 (en) * 1989-07-27 1989-09-13 Bp Chem Int Ltd Process for the preparation of polyamide prepolymers
US5140098A (en) * 1989-09-29 1992-08-18 Basf Aktiengesellschaft Continuous preparation of linear high molecular weight polyamides having regulated amino and carboxyl end group content
JPH0476023A (ja) * 1990-07-18 1992-03-10 Kao Corp 連続重合方法
CA2050612A1 (en) * 1990-09-21 1992-03-22 Keith Gannon Addition of additives to polymeric materials
US5236645A (en) * 1990-09-21 1993-08-17 Basf Corporation Addition of additives to polymeric materials
US5142000A (en) * 1991-08-28 1992-08-25 E. I. Du Pont De Nemours And Company Process for increasing polyamide molecular weight with organophosphonic acid or ester catalysts in the presence of alumina-containing titanium dioxide

Also Published As

Publication number Publication date
WO1995024438A2 (en) 1995-09-14
CA2182872C (en) 2006-01-31
KR970701749A (ko) 1997-04-12
DE69512437D1 (de) 1999-10-28
DE69512437T2 (de) 2000-05-04
EP0797610A2 (de) 1997-10-01
WO1995024438A3 (en) 1995-10-26
CA2182872A1 (en) 1995-09-14
BR9507122A (pt) 1997-10-07
CN1053204C (zh) 2000-06-07
CN1143378A (zh) 1997-02-19
US5543495A (en) 1996-08-06
JPH09510247A (ja) 1997-10-14
KR100261397B1 (ko) 2000-08-01
JP3619253B2 (ja) 2005-02-09
AU1982695A (en) 1995-09-25
EP0797610B1 (de) 1999-09-22
AU700248B2 (en) 1998-12-24

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