BR9507122A - Processo para aumento do peso molecular de polímeros de condensação e processo para aumento do peso molecular de um polímero de condensação fundido - Google Patents

Processo para aumento do peso molecular de polímeros de condensação e processo para aumento do peso molecular de um polímero de condensação fundido

Info

Publication number
BR9507122A
BR9507122A BR9507122A BR9507122A BR9507122A BR 9507122 A BR9507122 A BR 9507122A BR 9507122 A BR9507122 A BR 9507122A BR 9507122 A BR9507122 A BR 9507122A BR 9507122 A BR9507122 A BR 9507122A
Authority
BR
Brazil
Prior art keywords
increasing
molecular weight
polymer
condensation
molten
Prior art date
Application number
BR9507122A
Other languages
English (en)
Inventor
Colin Anolick
Gregory Douglas Cramer
Ramadas Dujari
Wing-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
Publication of BR9507122A publication Critical patent/BR9507122A/pt

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
    • 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
    • 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

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)
BR9507122A 1994-03-08 1995-03-07 Processo para aumento do peso molecular de polímeros de condensação e processo para aumento do peso molecular de um polímero de condensação fundido BR9507122A (pt)

Applications Claiming Priority (2)

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
PCT/US1995/002841 WO1995024438A2 (en) 1994-03-08 1995-03-07 Process for increasing the molecular weight of polyamides and other condensation polymers

Publications (1)

Publication Number Publication Date
BR9507122A true BR9507122A (pt) 1997-10-07

Family

ID=22771775

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9507122A BR9507122A (pt) 1994-03-08 1995-03-07 Processo para aumento do peso molecular de polímeros de condensação e processo para aumento do peso molecular de um polímero de condensação fundido

Country Status (11)

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

Families Citing this family (29)

* Cited by examiner, † Cited by third party
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DE69702497T2 (de) * 1996-02-15 2000-11-30 Ciba Sc Holding Ag Vergrösserung des molekulargewichts von polyamiden
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
MXPA05002834A (es) * 2002-09-16 2005-05-27 Du Pont Procedimiento de hilado de poliamida e hilo de poliamida.
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
US8772438B2 (en) 2009-07-09 2014-07-08 Invista North America S.är.l. Preparation of polyamides
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
MX2019014732A (es) 2017-06-08 2020-08-03 Ascend Performance Mat Operations Llc Nanofibras de poliamida no tejidas.
US11376534B2 (en) 2017-06-08 2022-07-05 Ascend Performance Materials Operations Llc Polyamide nanofiber nonwovens for filters
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
EP3814400A1 (en) 2018-06-27 2021-05-05 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
WO2020146308A1 (en) 2019-01-07 2020-07-16 Ascend Performance Materials Operations Llc Non-halogenated flame retardant polyamide compositions
CA3128002A1 (en) 2019-01-31 2020-08-06 Ascend Performance Materials Operations Llc Impact-modified injection-molded polyamide
KR20210126672A (ko) 2019-02-12 2021-10-20 어센드 퍼포먼스 머티리얼즈 오퍼레이션즈 엘엘씨 내가수분해성 폴리아미드
CN113661214A (zh) 2019-04-01 2021-11-16 奥升德功能材料运营有限公司 非卤化阻燃性聚酰胺组合物
BR112021020488A2 (pt) 2019-05-01 2022-02-15 Ascend Performance Mat Operations Llc Meio filtrante compreendendo camada de nanofibra de poliamida
WO2021127306A1 (en) 2019-12-18 2021-06-24 Ascend Performance Materials Operations Llc Processes for producing fiber and fabrics with zinc content
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
MX2023001795A (es) 2020-08-13 2023-03-10 Ascend Performance Mat Operations Llc Poliamidas alifaticas y semi-aromaticas con acidos dimeros y aminas dimeras.
CA3196476A1 (en) 2020-10-30 2022-05-05 Albert Ortega Polyamide nonwovens in sound absorbing multi-layer composites
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

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* 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 (pt) * 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
US5236645A (en) * 1990-09-21 1993-08-17 Basf Corporation Addition of additives to polymeric materials
CA2050612A1 (en) * 1990-09-21 1992-03-22 Keith Gannon 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
AU700248B2 (en) 1998-12-24
JP3619253B2 (ja) 2005-02-09
WO1995024438A2 (en) 1995-09-14
KR100261397B1 (ko) 2000-08-01
CA2182872C (en) 2006-01-31
ATE184891T1 (de) 1999-10-15
EP0797610A2 (en) 1997-10-01
DE69512437D1 (de) 1999-10-28
DE69512437T2 (de) 2000-05-04
AU1982695A (en) 1995-09-25
KR970701749A (ko) 1997-04-12
WO1995024438A3 (en) 1995-10-26
US5543495A (en) 1996-08-06
EP0797610B1 (en) 1999-09-22
CN1143378A (zh) 1997-02-19
CN1053204C (zh) 2000-06-07
CA2182872A1 (en) 1995-09-14
JPH09510247A (ja) 1997-10-14

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25A Requested transfer of rights approved

Owner name: INVISTA TECHNOLOGIES S.A.R.L. (US)

Free format text: TRANSFERIDO DE: E.I. DUPONT DE NEMOURS AND COMPANY

B25G Requested change of headquarter approved

Owner name: INVISTA TECHNOLOGIES S.A.R.L. (CH)

Free format text: ALTERADA A SEDE DO TITULAR CONFORME REQUERIDA ATRAVES DA PETICAO NO 018050044361/SP DE 25/10/2005.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 19A ANUIDADE.

B24E Patent annual fee: resolution cancelled

Free format text: REFERENTE AO DESPACHO 21.6 PUBLICADO NA RPI 2257 DE 08/04/2014.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 07/03/2015