BR9405532A - Processo de precipitação de uma poliolefina, processo de preparação de uma pasta de poliolefina, pasta de poliolefina e massa de poliolefina. - Google Patents

Processo de precipitação de uma poliolefina, processo de preparação de uma pasta de poliolefina, pasta de poliolefina e massa de poliolefina.

Info

Publication number
BR9405532A
BR9405532A BR9405532A BR9405532A BR9405532A BR 9405532 A BR9405532 A BR 9405532A BR 9405532 A BR9405532 A BR 9405532A BR 9405532 A BR9405532 A BR 9405532A BR 9405532 A BR9405532 A BR 9405532A
Authority
BR
Brazil
Prior art keywords
paste
polyolefin
polyolefine
preparing
present
Prior art date
Application number
BR9405532A
Other languages
English (en)
Inventor
Ray L Johnston
Larry G Fry
Original Assignee
Conoco Inc
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 Conoco Inc filed Critical Conoco Inc
Publication of BR9405532A publication Critical patent/BR9405532A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
    • 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
    • C08F6/06—Treatment of polymer solutions
    • C08F6/12—Separation of polymers from solutions
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0391—Affecting flow by the addition of material or energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

Patente de Invenção: <B>"PROCESSO DE PRECIPITAçãO DE UMA POLIOLEFINA, PROCESSO DE PREPARAçãO DE UMA PASTA DE POLIOLEFINA, PASTA DE POLIOLEFINA E MASSA DE POLIOLEFINA"<D>. A presente invenção trata de um processo para precipitar uma poliolefina a partir de uma solução. A presente invenção também provê uma pasta de poliolefina tendo características de redução de atrito quando dissolvida em uma corrente de hidrocarboneto em fluxo e um método para fazer uma pasta de redução de atrito. Finalmente a presente invenção provê um redutor de atrito em massa preparado a partir de uma pasta para uso em correntes de hidrocarboneto em fluxo.
BR9405532A 1993-06-21 1994-06-06 Processo de precipitação de uma poliolefina, processo de preparação de uma pasta de poliolefina, pasta de poliolefina e massa de poliolefina. BR9405532A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08081495 US5376697B1 (en) 1993-06-21 1993-06-21 Drag reducers for flowing hydrocarbons
PCT/US1994/006411 WO1995000558A1 (en) 1993-06-21 1994-06-06 Drag reducers for flowing hydrocarbons

Publications (1)

Publication Number Publication Date
BR9405532A true BR9405532A (pt) 1999-09-14

Family

ID=22164553

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9405532A BR9405532A (pt) 1993-06-21 1994-06-06 Processo de precipitação de uma poliolefina, processo de preparação de uma pasta de poliolefina, pasta de poliolefina e massa de poliolefina.

Country Status (10)

Country Link
US (1) US5376697B1 (pt)
EP (1) EP0656017A1 (pt)
CN (1) CN1111059A (pt)
AU (1) AU7101694A (pt)
BR (1) BR9405532A (pt)
CA (1) CA2135931C (pt)
EC (1) ECSP941087A (pt)
HU (1) HUT69293A (pt)
RU (1) RU95110872A (pt)
WO (1) WO1995000558A1 (pt)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539044A (en) * 1994-09-02 1996-07-23 Conoco In. Slurry drag reducer
US5733953A (en) * 1995-06-29 1998-03-31 Baker Hughes Incorporated Low viscosity, high concentration drag reducing agent and method therefor
US5869570A (en) * 1996-03-19 1999-02-09 Energy & Environmental International, L.C. Composition of and process for forming polyalphaolefin drag reducing agents
US6015779A (en) 1996-03-19 2000-01-18 Energy & Environmental International, L.C. Methods for forming amorphous ultra-high molecular weight polyalphaolefin drag reducing agents
US6172151B1 (en) * 1996-10-15 2001-01-09 Conoco Inc. Nonaqueous drag reducing suspensions
US6160086A (en) * 1998-07-30 2000-12-12 3M Innovative Properties Company Process for removing impurities from polymers
US6178980B1 (en) 1998-08-26 2001-01-30 Texaco Inc. Method for reducing the pipeline drag of heavy oil and compositions useful therein
US6357464B2 (en) 1998-12-31 2002-03-19 Cortana Corporation Method for reducing dissipation rate of fluid ejected into boundary layer
US6138704A (en) * 1998-12-31 2000-10-31 Cortana Corporation Method for reducing dissipation rate of fluid ejected into boundary layer
US6349734B1 (en) 1998-12-31 2002-02-26 Cortana Corporation Method for reducing dissipation rate of fluid ejected into boundary layer
US6200014B1 (en) 1998-12-31 2001-03-13 Cortana Corporation Method and apparatus for mixing high molecular weight materials with liquids
FI117704B (fi) * 2000-05-15 2007-01-31 M I Finland Oy Menetelmä vastusta vähentävän koostumuksen valmistamiseksi ja menetelmä hiilivetyvirtauksen vastuksen vähentämiseksi
US6815011B2 (en) 2000-11-27 2004-11-09 Energy & Environmental International, L.C. Alpha olefin monomer partitioning agents for drag reducing agents and methods of forming drag reducing agents using alpha olefin monomer partitioning agents
US6576732B1 (en) 2000-11-28 2003-06-10 Conocophillips Co. Drag-reducing polymers and drag-reducing polymer suspensions and solutions
US6399676B1 (en) 2000-11-28 2002-06-04 Conoco, Inc. Drag-reducing polymer suspensions
WO2002044280A1 (en) 2000-11-28 2002-06-06 Conoco Inc Drag-reducing polymer suspensions
AU2002239357A1 (en) * 2000-11-28 2002-06-11 Conoco Inc. Drag-reducing polymer suspensions
DE60235444D1 (de) 2001-01-16 2010-04-08 Beta Technologies Ag Verfahren zur herstellung von amorphen polyolefinen mit ultrahohem molekulargewicht zur strömungbeschleunigung
JP4116266B2 (ja) * 2001-05-25 2008-07-09 株式会社オメガ 携帯可能な殺菌洗浄水の生成方法と其の装置
US7012046B2 (en) * 2001-06-08 2006-03-14 Eaton Gerald B Drag reducing agent slurries having alfol alcohols and processes for forming drag reducing agent slurries having alfol alcohols
CN1319638C (zh) 2001-06-13 2007-06-06 能源及环境国际有限公司 本体聚合反应器和聚合方法
US6841593B2 (en) * 2001-07-05 2005-01-11 Baker Hughes Incorporated Microencapsulated and macroencapsulated drag reducing agents
CA2444015C (en) 2001-10-01 2008-07-29 Conoco, Inc. Ultra high molecular weight polyolefin useful as flow improvers in cold fluids
US7018434B2 (en) 2002-04-18 2006-03-28 Southwest Research Institute Removal of drag reducer additive from fuel by treatment with selected activated carbons and graphites
US6946500B2 (en) * 2002-12-17 2005-09-20 Baker Hughes Incorporated Non-cryogenic process for grinding polyolefin drag reducing agents
US6649670B1 (en) 2002-12-17 2003-11-18 Baker Hughes Incorporated Continuous neat polymerization and ambient grinding methods of polyolefin drag reducing agents
US20060087910A1 (en) * 2003-02-15 2006-04-27 Darrell Knepp Water injection method and apparatus for concrete mixer
US6894088B2 (en) * 2003-03-24 2005-05-17 Baker Hughes Incorporated Process for homogenizing polyolefin drag reducing agents
US7364599B2 (en) * 2003-06-03 2008-04-29 Southwest Research Institute Methods for increased removal of drag reducer additives from liquid hydrocarbon fuel
US7264640B2 (en) * 2003-06-03 2007-09-04 Southwest Research Institute Method for improving the performance of engines powered by liquid hydrocarbon fuel
US7261747B2 (en) * 2004-03-08 2007-08-28 Southwest Research Institute Removal of drag reducer additive from liquid hydrocarbon fuel using attapulgus clay
US7863362B2 (en) * 2004-09-14 2011-01-04 Baker Hughes Incorporated Density-matched polymer slurries
US7361628B2 (en) * 2004-12-30 2008-04-22 Conocophillips Company Remote delivery of latex drag-reducing agent without introduction of immiscible low-viscosity flow facilitator
CA2608026C (en) * 2005-06-14 2012-03-13 Baker Hughes Incorporated Bi- or multi-modal particle size distribution to improve drag reduction polymer dissolution
MX2007015776A (es) * 2005-06-14 2008-02-15 Baker Hughes Inc Combinacion de tipos de suspensiones de polimero para reduccion de arrastre optima en tuberias.
US20080064785A1 (en) * 2005-06-14 2008-03-13 Baker Hughes Incorporated Bi- or Multi-Modal Particle Size Distribution To Improve Drag Reduction Polymer Dissolution
CN100475879C (zh) * 2005-07-01 2009-04-08 中国石油天然气股份有限公司 减阻聚合物油基分散方法
US7256224B2 (en) * 2005-09-21 2007-08-14 Baker Hughes Incorporated Stabilized polymer drag reducing agent slurries
US7388046B2 (en) * 2006-04-19 2008-06-17 Baker Hughes Incorporated Self-dispersing waxes as polymer suspension aids
US20120039146A1 (en) * 2010-08-16 2012-02-16 Zanti Kyriacos Dual tube gas diffusion system
CN103937484B (zh) * 2014-05-09 2015-06-10 余维初 一种页岩气井滑溜水压裂液体系高效乳态快速水溶减阻剂
US10683412B2 (en) 2016-08-05 2020-06-16 Liquidpower Specialty Products Inc. Drag reducing composition
WO2022140743A1 (en) 2020-12-23 2022-06-30 Liquidpower Specialty Products Inc. Rapid dissolution of drag-reducing agents at low temperatures
US11473033B1 (en) * 2022-01-04 2022-10-18 Iris Tech, Inc. Drag reducing agent containing a great amount of an active base
WO2025096775A1 (en) 2023-10-31 2025-05-08 Liquidpower Specialty Products Inc. Compositions of drag reducing polymers and use thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365525A (en) * 1964-12-16 1968-01-23 Du Pont Process for precipitating polymers from solution
US3431249A (en) * 1966-04-20 1969-03-04 Avisun Corp Recovery of alpha-olefin polymers from solution
US3884252A (en) * 1973-06-20 1975-05-20 Shell Oil Co Friction reduction
US4147677A (en) * 1977-11-29 1979-04-03 Exxon Research & Engineering Co. Dry blending of neutralized sulfonated elastomeric powders
US4212312A (en) * 1978-08-28 1980-07-15 Shell Oil Company Fragmented polymers as friction reducers in pipeline transportation of products
US4263926A (en) * 1978-12-04 1981-04-28 Shell Oil Company Injection system for solid friction reducing polymers
US4433123A (en) * 1979-01-29 1984-02-21 Conoco Inc. Polymerization process for drag reducing substances
US4340076A (en) * 1979-02-27 1982-07-20 General Technology Applications, Inc. Dissolving polymers in compatible liquids and uses thereof
US4584244A (en) * 1985-05-28 1986-04-22 Conoco Inc. Preparation of cold flow resistant polymer powders
US4720397A (en) * 1985-12-12 1988-01-19 General Technology Applications, Inc. Rapid dissolving polymer compositions and uses therefor
US4771799A (en) * 1987-10-29 1988-09-20 Conoco Inc. Method for improving the performance of highly viscous concentrates of high molecular weight drag reducing polymers
US4945142A (en) * 1988-11-14 1990-07-31 Conoco Inc. Composition and process for friction loss reduction
US5165440A (en) * 1991-12-30 1992-11-24 Conoco Inc. Process and apparatus for blending viscous polymers in solvent

Also Published As

Publication number Publication date
US5376697B1 (en) 1998-06-02
WO1995000558A1 (en) 1995-01-05
ECSP941087A (es) 1994-11-16
RU95110872A (ru) 1996-12-27
US5376697A (en) 1994-12-27
CN1111059A (zh) 1995-11-01
CA2135931C (en) 1998-07-21
CA2135931A1 (en) 1995-01-05
HU9500810D0 (en) 1995-05-29
AU7101694A (en) 1995-01-17
HUT69293A (en) 1995-09-28
EP0656017A1 (en) 1995-06-07

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law