ZA841476B - A process for preparing advanced epoxy resins employing tetrahydrocarbyl phosphonium salts as catalysts and advanced epoxy resins prepared by the process - Google Patents

A process for preparing advanced epoxy resins employing tetrahydrocarbyl phosphonium salts as catalysts and advanced epoxy resins prepared by the process

Info

Publication number
ZA841476B
ZA841476B ZA841476A ZA841476A ZA841476B ZA 841476 B ZA841476 B ZA 841476B ZA 841476 A ZA841476 A ZA 841476A ZA 841476 A ZA841476 A ZA 841476A ZA 841476 B ZA841476 B ZA 841476B
Authority
ZA
South Africa
Prior art keywords
epoxy resins
advanced epoxy
catalysts
phosphonium salts
employing
Prior art date
Application number
ZA841476A
Other languages
English (en)
Inventor
George A Doorakian
Marsha A Paul
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of ZA841476B publication Critical patent/ZA841476B/xx

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
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/62—Alcohols or phenols
    • 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
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/02—Polycondensates containing more than one epoxy group per molecule
    • C08G59/04—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof
    • C08G59/06—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof of polyhydric phenols
    • C08G59/066—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof of polyhydric phenols with chain extension or advancing agents
    • 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
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/02—Polycondensates containing more than one epoxy group per molecule
    • 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
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ZA841476A 1983-02-28 1984-02-28 A process for preparing advanced epoxy resins employing tetrahydrocarbyl phosphonium salts as catalysts and advanced epoxy resins prepared by the process ZA841476B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/470,107 US4438254A (en) 1983-02-28 1983-02-28 Process for producing epoxy resins

Publications (1)

Publication Number Publication Date
ZA841476B true ZA841476B (en) 1985-10-30

Family

ID=23866303

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA841476A ZA841476B (en) 1983-02-28 1984-02-28 A process for preparing advanced epoxy resins employing tetrahydrocarbyl phosphonium salts as catalysts and advanced epoxy resins prepared by the process

Country Status (15)

Country Link
US (1) US4438254A (show.php)
EP (1) EP0117562B1 (show.php)
JP (1) JPS60500626A (show.php)
KR (1) KR860000809B1 (show.php)
AU (1) AU562868B2 (show.php)
BR (1) BR8406168A (show.php)
CA (1) CA1215194A (show.php)
DE (1) DE3475717D1 (show.php)
ES (1) ES8600339A1 (show.php)
GB (1) GB2135674B (show.php)
MY (1) MY8800004A (show.php)
NO (1) NO161070C (show.php)
NZ (1) NZ207301A (show.php)
WO (1) WO1984003289A1 (show.php)
ZA (1) ZA841476B (show.php)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL75806A (en) * 1984-07-17 1988-10-31 Dow Chemical Co Partially advanced epoxy resin compositions and products resulting from reacting and curing said compositions
US5503937A (en) * 1984-07-17 1996-04-02 The Dow Chemical Company Curable composition which comprises adducts of heterocyclic compounds
US4594291A (en) * 1984-07-17 1986-06-10 The Dow Chemical Company Curable, partially advanced epoxy resins
US4946817A (en) * 1984-07-17 1990-08-07 The Dow Chemical Company Latent catalysts for epoxy-containing compounds
GB8420816D0 (en) * 1984-08-16 1984-09-19 Dow Chemical Rheinwerk Gmbh Epoxy resins
US4604317A (en) * 1984-10-05 1986-08-05 The Dow Chemical Company Curable compositions containing a polyepoxide and a halogenated bisphenol
US4568735A (en) * 1984-11-05 1986-02-04 Shell Oil Company Process for preparing polyepoxides (II)
BR8507103A (pt) * 1984-12-04 1987-03-31 Dow Chemical Co Resina termoplastica termicamente estavel
US4612156A (en) * 1985-02-26 1986-09-16 The Dow Chemical Company Solventless process for producing resinous materials
US4721743A (en) * 1985-03-25 1988-01-26 The Dow Chemical Company Non-thermoset thermally stable capped epoxy resin compositions
US4783509A (en) * 1985-03-25 1988-11-08 The Dow Chemical Company Non-thermoset thermally stable capped epoxy resin compositions
US4596861A (en) * 1985-05-22 1986-06-24 The Dow Chemical Company Advanced epoxy resin for can coating applications
US4634757A (en) * 1985-07-15 1987-01-06 Shell Oil Company Fusion product
GB8519290D0 (en) * 1985-07-31 1985-09-04 Dow Chemical Rheinwerk Gmbh Resin composition
US4647648A (en) * 1985-08-26 1987-03-03 The Dow Chemical Company Polyhydroxyethers from hydroxybiphenyls
US4684700A (en) * 1986-02-14 1987-08-04 The Dow Chemical Company Advanced epoxy resins prepared from triglycidyl ethers and dihydri phenols
US4692504A (en) * 1986-04-30 1987-09-08 Shell Oil Company Deactivation of phosphonium salt catalyst
US4732958A (en) * 1986-12-30 1988-03-22 Shell Oil Company Epoxy fusion process
US4829141A (en) * 1987-07-31 1989-05-09 Shell Oil Company Epoxy fusion catalyst and process
US4880892A (en) * 1987-08-31 1989-11-14 Ciba-Geigy Corporation Composition comprising an epoxy resin, a phenol and an advancement catalyst
JPH0219171U (show.php) * 1988-07-22 1990-02-08
US4933420A (en) * 1988-09-23 1990-06-12 The Dow Chemical Company Epoxy resins containing phosphonium catalysts
US5045632A (en) * 1989-05-25 1991-09-03 The Dow Chemical Company Novel bis(phosphoranylidene) ammonium salts
US5105006A (en) * 1989-05-25 1992-04-14 The Dow Chemical Company Phosphonium salts
US5310854A (en) * 1989-08-23 1994-05-10 The Dow Chemical Company Epoxy resin composition and process therefor
BR9100475A (pt) * 1990-02-06 1991-10-29 Dow Chemical Co Aduto,complexo ou composto,composicao,processo para a preparacao de um aduto,complexo ou composto e processo para a preparacao de uma composicao
US5208317A (en) * 1990-02-06 1993-05-04 The Dow Chemical Company Composition comprising epoxy resin and cationic amine phosphonium catalyst
US4981926A (en) * 1990-02-06 1991-01-01 The Dow Chemical Company Composition of epoxy resin, amino group-containing phosphonium catalyst and curing agent
US5721323A (en) * 1990-05-21 1998-02-24 The Dow Chemical Company Cure inhibited epoxy resin compositions and laminates prepared from the compositions
ZA913801B (en) * 1990-05-21 1993-01-27 Dow Chemical Co Latent catalysts,cure-inhibited epoxy resin compositions and laminates prepared therefrom
US5169473A (en) * 1990-05-21 1992-12-08 The Dow Chemical Company Latent catalysts, epoxy compositions incorporating same, and coating, impregnating and bonding methods employing the compositions
US5202407A (en) * 1992-01-24 1993-04-13 The Dow Chemical Company Precatalyzed catalyst compositions, process for preparing epoxy resins curable compositions, articles resulting from curing the resultant compositions
US6011111A (en) * 1993-10-18 2000-01-04 The Dow Chemical Company Hydroxy-phenoxyether polymer thermoplastic composites
AR006683A1 (es) 1996-04-19 1999-09-08 Shell Int Research Un procedimiento para la preparacion de una resina avanzada, y una composicion curada obtenida mediante el uso de dicha resina
US6613839B1 (en) 1997-01-21 2003-09-02 The Dow Chemical Company Polyepoxide, catalyst/cure inhibitor complex and anhydride
US6312641B1 (en) 1997-10-17 2001-11-06 Plastic Fabrication Technologies Llc Method of making containers and preforms incorporating barrier materials
TWI250934B (en) * 1997-10-17 2006-03-11 Advancsd Plastics Technologies Barrier-coated polyester articles and the fabrication method thereof
US6352426B1 (en) 1998-03-19 2002-03-05 Advanced Plastics Technologies, Ltd. Mold for injection molding multilayer preforms
US5962621A (en) * 1998-04-28 1999-10-05 The Dow Chemical Company Process for preparing hydroxy-functionalized polyesters
US6109006A (en) * 1998-07-14 2000-08-29 Advanced Plastics Technologies, Ltd. Process for making extruded pet containers
BR0112294A (pt) 2000-06-23 2003-06-24 Dow Global Technologies Inc Resinas epóxi e processo para fabricá-las
RU2264917C2 (ru) 2000-09-05 2005-11-27 Эдвэнсд Плэстикс Текнолоджиз, Лтд. Многослойные емкости и заготовки с барьерными свойствами, утилизирующие переработанный материал
WO2002048234A2 (en) 2000-12-14 2002-06-20 Dow Global Technologies Inc. Epoxy resins and process for making the same
EG23499A (en) * 2002-07-03 2006-01-17 Advanced Plastics Technologies Dip, spray, and flow coating process for forming coated articles
EP1567317A1 (en) * 2002-11-08 2005-08-31 Advanced Plastics Technologies, Ltd Injection mold having a wear resistant portion and a high heat transfer portion and a method for forming a preform
US20050136201A1 (en) * 2003-12-22 2005-06-23 Pepsico, Inc. Method of improving the environmental stretch crack resistance of RPET without solid stating
US20060065992A1 (en) * 2004-04-16 2006-03-30 Hutchinson Gerald A Mono and multi-layer articles and compression methods of making the same
US7588808B2 (en) 2004-04-16 2009-09-15 Advanced Plastics Technologies Luxembourg S.A. Mono and multi-layer articles and injection molding methods of making the same
EP1776217A2 (en) * 2004-06-10 2007-04-25 Advanced Plastics Technologies Luxembourg S.A. Methods and systems for controlling mold temperatures
BRPI0609107A2 (pt) * 2005-04-18 2010-02-23 Advanced Plastics Technologies artigos revestidos resistentes à água e métodos de fabricar os mesmos
CA2617591C (en) * 2005-08-30 2013-10-22 Advanced Plastics Technologies Luxembourg S.A. Methods and systems for controlling mold temperatures
CA2622023A1 (en) * 2005-10-14 2007-04-26 Advanced Plastics Technologies Luxembourg S.A. Methods of forming multilayer articles by surface treatment applications
CN101595169B (zh) 2006-11-30 2012-11-21 德克萨斯A&M大学系统 可用于制备纳米复合聚合物的不含插层剂的组合物
WO2009002586A2 (en) * 2007-04-13 2008-12-31 Cornerstone Research Group, Inc. Composite self-healing system
BRPI0905711A2 (pt) 2008-01-23 2015-07-14 Dow Global Technologies Inc Composição de revestimento em pó sólido
US7879925B2 (en) * 2008-05-27 2011-02-01 Zephyros, Inc. Composite with natural fibers
US8349945B2 (en) * 2008-06-03 2013-01-08 Dow Global Technologies Llc Composite dispersion, method of producing the same, and articles made therefrom
JP5883649B2 (ja) * 2008-12-12 2016-03-15 ダウ グローバル テクノロジーズ エルエルシー コーティング組成物、コーティング組成物を製造する工程、コートされた物品、およびそのような物品を形成する方法
US8829083B2 (en) 2008-12-16 2014-09-09 Dow Global Technologies Llc Coating composition, a process of producing a coating composition, a coated article, and a method of making such articles
CN102414258B (zh) 2009-03-16 2014-03-26 陶氏环球技术有限责任公司 分散体、和制备该分散体的方法
WO2010114648A1 (en) 2009-03-30 2010-10-07 Dow Global Technologies Inc. Hybrid dispersions and methods for producing the same
JP5734972B2 (ja) 2009-07-24 2015-06-17 ダウ グローバル テクノロジーズ エルエルシー 被覆容器デバイス、その製造方法
BR112012000906B1 (pt) 2009-07-24 2019-12-03 Dow Global Technologies Llc Dispositivo de recipiente revestido
WO2011053904A1 (en) * 2009-10-30 2011-05-05 Dow Global Technologies Inc. Alkyd dispersion, and a process for producing the same
EP2694606B2 (en) 2011-04-08 2019-06-05 Dow Global Technologies LLC Process for producing a coating compositon
WO2015006391A1 (en) 2013-07-11 2015-01-15 Dow Global Technologies Llc Process for making urethane-isocyanurates
CA2930071C (en) 2013-10-04 2019-05-07 Zephyros, Inc. Method and apparatus for adhesion of inserts
US20150197682A1 (en) 2014-01-16 2015-07-16 Clearwater International, Llc Anti-gel agent for polyhydroxyetheramines, gel stabilized polyhydroxyetheramine solutions, and methods for making and using same
AU2015280528B2 (en) 2014-06-27 2019-05-02 Dow Global Technologies Llc. A method for optimizing a hegman rating of a diluted emulsion, a diluted emulsion produced thereby, and a coating made therefrom
US9796891B2 (en) 2014-08-11 2017-10-24 Zephyros, Inc. Panel edge enclosures
WO2016025787A1 (en) 2014-08-14 2016-02-18 Zephyros, Inc. Reformable epoxy resin for composites
EP4311870A3 (en) 2014-10-22 2024-04-17 Zephyros, Inc. Method for forming reformable epoxy resin materials into weavable yarns
CN107567478B (zh) 2015-03-10 2020-12-11 泽菲罗斯有限公司 具有热塑性环氧聚合物相的复合材料，由其制成的诸如载体的制品，及相关方法
US20180036970A1 (en) 2015-03-10 2018-02-08 Zephyros, Inc. Pultruded articles and methods for making same
WO2016149700A1 (en) 2015-03-19 2016-09-22 Zephyros, Inc. Esterified acids for use in polymeric materials
CA3005058A1 (en) * 2015-11-12 2017-05-18 Zephyros, Inc. Controlled glass transition polymeric material and method
WO2017087663A1 (en) 2015-11-17 2017-05-26 Zephyros, Inc. Additive manufacturing materials system
WO2017095912A1 (en) 2015-11-30 2017-06-08 Zephyros, Inc. Adhesive resins and films for composites and tapes and methods of using the same
US11192344B2 (en) 2016-01-20 2021-12-07 Zephyros, Inc. Thermoplastic epoxy materials with core shell phase
WO2017205172A1 (en) 2016-05-24 2017-11-30 Zephyros, Inc. Reformable resin materials and uses therefor
CN110997291A (zh) 2017-08-14 2020-04-10 泽费罗斯股份有限公司 对复合零件的感应加热
WO2019241295A1 (en) 2018-06-11 2019-12-19 Zephyros, Inc. Reformable resin filaments and materials formed therewith
US11332197B2 (en) 2018-10-12 2022-05-17 Zephyros, Inc. Composite load bearing flooring
WO2020081279A1 (en) 2018-10-17 2020-04-23 Dow Global Technologies Llc A coating composition, a coated fabric, a method of making a coated fabric, and an article made from the coated fabric
CN112867640B (zh) 2018-10-17 2024-03-29 陶氏环球技术有限责任公司 涂料组合物、经涂布织物、制造经涂布织物的方法以及由经涂布织物制成的制品
KR20250061771A (ko) 2018-11-15 2025-05-08 제피로스, 인크. 반 강성 발포체를 충전하는 2-성분 인산에스테르 공동
KR102692019B1 (ko) 2019-04-03 2024-08-06 제피로스, 인크. 2-부분 인산 에스테르 에폭시 조성물
US11673995B2 (en) * 2019-08-08 2023-06-13 Ppg Industries Ohio, Inc. Polyol polymers, methods of preparing such polymers, and coating compositions containing the same
US20230101875A1 (en) 2020-02-24 2023-03-30 Zephyros, Inc. Ballistic composition, ballistic assembly, and method therefor
WO2022031517A1 (en) 2020-08-05 2022-02-10 Blue Cube Ip Llc Novel hardener formulation for cold curing epoxy systems

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1101739A (en) * 1964-06-08 1968-01-31 Celanese Coatings Co High molecular weight thermoplastic polyhydroxypolyethers
NL137295C (show.php) 1965-11-03
US3477990A (en) 1967-12-07 1969-11-11 Shell Oil Co Process for reacting a phenol with an epoxy compound and resulting products
US3547885A (en) 1968-03-08 1970-12-15 Sun Oil Co Process for curing polyepoxides with anhydrides and phosphonium halide catalysts therefor
NL6915348A (show.php) * 1968-10-25 1970-04-28
FR2086192B1 (show.php) * 1970-04-20 1974-02-15 Shell Int Research
US3694407A (en) 1970-08-11 1972-09-26 Shell Oil Co Epoxy-containing condensates,their preparation and use
US3948855A (en) 1971-09-16 1976-04-06 The Dow Chemical Company Process for reacting a phenol with a vicinal epoxy compound in the presence of phosphorus or carbon containing acid, ester or acid ester
US3738862A (en) 1971-11-08 1973-06-12 Shell Oil Co Process for preparing reinforced laminates in situ with epoxy-polyhydric phenol condensates
CA1059692A (en) * 1974-06-21 1979-07-31 George A. Doorakian Latent catalysts for promoting reaction of epoxides with phenols and/or carboxylic acids
US4171420A (en) 1974-06-21 1979-10-16 The Dow Chemical Company Latent catalysts for promoting reaction of epoxides with phenols and/or carboxylic acids
US4048141A (en) 1975-11-06 1977-09-13 The Dow Chemical Company Latent catalysts for promoting reaction of epoxides with phenols and/or carboxylic acids
GB1494972A (en) * 1976-01-19 1977-12-14 Dow Chemical Co Process of reacting epoxides with phenols carboxylic acids or carboxylic acid anhydrides
US4104257A (en) * 1977-07-27 1978-08-01 The Dow Chemical Company Process for preparing high molecular weight polyether resins from bisphenols and epoxy resins
US4122067A (en) * 1977-10-07 1978-10-24 Celanese Polymer Specialties Company Process of reacting a polyepoxide compound with a phenol in aqueous medium
GB1580603A (en) * 1978-05-18 1980-12-03 Dow Chemical Co Process for preparing triorgano-(2,5-dihydroxyphenyl) phosphonium salts
US4370465A (en) * 1980-12-04 1983-01-25 The Dow Chemical Co. Epoxy resins having improved physical properties when cured
US4352918A (en) 1980-12-04 1982-10-05 The Dow Chemical Company Process for preparing epoxy resins having improved physical properties when cured using quaternary phosphonium catalysts
US4389520A (en) 1982-04-05 1983-06-21 Ciba-Geigy Corporation Advancement catalysts for epoxy resins
DE3378474D1 (en) * 1982-06-10 1988-12-22 Dow Chemical Co Advanced epoxy resins and coating compositions containing the advanced epoxy resins

Also Published As

Publication number Publication date
NO840748L (no) 1984-08-29
JPS632971B2 (show.php) 1988-01-21
KR860000809B1 (ko) 1986-06-28
ES530107A0 (es) 1985-05-01
GB8405154D0 (en) 1984-04-04
US4438254A (en) 1984-03-20
EP0117562B1 (en) 1988-12-21
AU2694284A (en) 1984-09-10
GB2135674A (en) 1984-09-05
NO161070B (no) 1989-03-20
JPS60500626A (ja) 1985-05-02
ES8600339A1 (es) 1985-05-01
NO161070C (no) 1989-06-28
EP0117562A2 (en) 1984-09-05
EP0117562A3 (en) 1985-09-04
AU562868B2 (en) 1987-06-18
KR840007736A (ko) 1984-12-10
WO1984003289A1 (en) 1984-08-30
GB2135674B (en) 1986-08-28
NZ207301A (en) 1987-10-30
CA1215194A (en) 1986-12-09
BR8406168A (pt) 1985-03-12
MY8800004A (en) 1988-12-31
DE3475717D1 (en) 1989-01-26

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