WO2009074293A1 - Epoxy-phenolic resins co-dispersions - Google Patents
Epoxy-phenolic resins co-dispersions Download PDFInfo
- Publication number
- WO2009074293A1 WO2009074293A1 PCT/EP2008/010447 EP2008010447W WO2009074293A1 WO 2009074293 A1 WO2009074293 A1 WO 2009074293A1 EP 2008010447 W EP2008010447 W EP 2008010447W WO 2009074293 A1 WO2009074293 A1 WO 2009074293A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- epoxy
- resins
- mpas
- phenolic novolac
- composition
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/022—Emulsions, e.g. oil in water
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08J2361/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with monohydric phenols
- C08J2361/10—Phenol-formaldehyde condensates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
Definitions
- This invention relates to a process to prepare an aqueous co- dispersion of epoxy resins and phenolic novolac resin and the specific compositions of such a co-dispersion.
- Epoxy resins are used already for a long time and different vehicles (solvent, powder) have been tried. Due to environmental concern the development of aqueous system has been more and more proposed to the industry for several types of end applications.
- the US 6,221,934 describes stable aqueous emulsions of epoxy resins by using an epoxy- functional surfactant prepared by reacting an amidoamine with the epoxy groups. The epoxy resin is further cured with an amine water compatible oligomer.
- emulsifiers which are adapted for emulsification of epoxy resins in water.
- an aqueous emulsion of an epoxy resin in which a reaction product of a boric acid ester derived from boric acid with both an alkylene glycol and a .beta . -dialkyl-substituted aminoalkanol is employed as an emulsifier is described in US 3,301,804.
- a polyepoxide emulsion for electrodeposition in which a polyepoxide is emulsified with an emulsifying agent of the phosphate ester type is described in US 3,634,348.
- curing agents for epoxy resin emulsion compositions include a polyamide reaction product derived from a polymeric fatty acid and an aliphatic polyamine containing terminal amino groups (US 2,811,495 and US 2,899,397), a salted amine derived from a carboxylic acid having 1-8 carbon atoms and a tertiary amine (US 3,640,926) , a polyamide derived from a diamine and a dicarboxylic acid (US 3,355,409) , a phenol modified polyamine (US 3,383,347), an amino-containing polyamide prepared by reacting a polyamine with a polymerized fatty acid (US 3,324,041) .
- Suitable curing agents are the aminoplast and phenolplast resins.
- Suitable aminoplast resins are methylol urea, dimethoxymethylol urea, butylated polymeric urea- formaldehyde resins, hexamethoxymethyl melamine, methylated polymeric melamine- formaldehyde resins and butylated polymeric melamine- formaldehyde resins.
- the major drawback of such composition is the generation of free formaldehyde upon cure, the industry wish to avoid this drawback.
- US 4,073,762 describes an aqueous epoxy resin paint composition
- an epoxy resin emulsion formed by emulsifying in water (a) 98 to 50% by weight of a bisphenol type epoxy resin and (b) 2 to 50% by weight novolac type epoxy resins, with a non- ionic surfactant, and a curing agent incorporated in said epoxy resin emulsion.
- This invention relates to an aqueous epoxy resin composition in which the above-mentioned defects involved in conventional techniques are overcome.
- Objects of this invention are as follows:
- composition comprising epoxy resins, at least a phenolic novolac resin and a non- ionic surface active agent, and water
- compositions in the presence of a cure catalyst are especially useful in heat cure coating (on metal, paper, wood, plastics), fiber sizing, adhesives, binder for abrasive, saturant for filter (fibers, paper) woven and non-woven binder applications.
- composition of the invention for application purposes may also contain solvents, pigments, fillers and additives known from the skilled person in the art.
- the epoxy resins useful for the invention are based on: bisphenol type epoxy resin obtained by condensation between bisphenol A [2 , 2 -bis (4 ' hydroxyphenyl) -propane] or bisphenol F and epichlorohydrin or the like.
- bisphenol type epoxy resins are liquid or solid and have a molecular weight of about 350 to about 3750 and an epoxy equivalent of about 180 to about 3500.
- Typical instances of these commercially available bisphenol type epoxy resins are as follows: Epikote 862, Epikote 828, Epikote 834, Epikote 1001, Epikote 1004, Epikote 1007 and Epikote 1009, Epikote YX4000 (trademarks for products manufactured by Hexion Specialty Chemicals Inc.) ; DER 330, DER 331, DER 334, DER 337, DER 661, DER 664, DER 667 and DER 669 (Dow Chemical Co.) ; Araldite GY250, Araldite GY252, Araldite GY260, Araldite GY280, Araldite GY6071, Araldite GY6084, Araldite GY6097 and Araldite GY6099 (Huntsman Chemical; Epiclon 850 (Dainippon Ink and Chemicals Incorp.) These commercially available bisphenol type epoxy resins can be used singly, or mixtures of two or more of them can also be employed.
- epoxy resins with an epoxy functionality higher than two are generally prepared by reacting a phenolic novolac type resin with epichlorohydrin.
- Epikote 154 epoxy equivalent of 176-181
- DEN 431 epoxy equivalent of 172-179
- DEN 438 epoxy equivalent of 175- 182
- EPN 1138 epoxy equivalent of 172-179
- Cycloaliphatic epoxies can be used, examples of cycloaliphatic epoxies include, for example, 3 , 4-epoxycyclo-hexylmethyl (3 , 4- epoxy) cyclohexane carboxylate, dicycloaliphatic diether diepoxy [2- (3 , 4 -epoxy) cyclohexyl-5 , 5-spiro (3 , 4 -epoxy) -cyclohexane-m- dioxane] , bis (3 , 4-epoxycyclohexylmethyl) adipate, bis(3,4- epoxyeyelohexyl) adipate and vinylcyclohexene dioxide [4- (1,2- epoxyethyl) -1 , 2 -epoxycyclohexane] .
- epoxy resins include, for example, EPONEX Resin 1510, HELOXY Modifiers 32, 44, 48, 56, 67, 68, 71, 84, 107, 505, all available from Hexion Specialty Chemicals Inc, and Union Carbide Epoxy Resins ERL-4221, -4289, -4299, -4234 and -4206.
- the co-dispersed phenolic novolac resins are based on the reaction products of phenols and aldehydes in presence of acid catalyst such as the aromatic units are linked by methylene bridges and that the phenolic group is maintained.
- acid catalyst such as the aromatic units are linked by methylene bridges and that the phenolic group is maintained.
- These compositions can be monomeric or polymeric in nature depending on the molar ratio of phenol to aldehyde used in the initial condensation reaction.
- Suitable phenols are phenol, o, m or p-cresol, 2,4-xylenol, 3,4-xylenol, 2,5-xylenol, cardanol, p-tert-butyl phenol, dihydric phenols are 2, 2-bis (4- hydroxyphenyl ) propane , 2 , 2-bis (3-bromo-4-hydroxyphenyl) -propane, 2 , 2-bis (3 , 5-dichloro-4-hydroxyphenyl) propane, 2 , 2-bis (3-chloro- 4 -hydroxyphenyl) propane, bis (4 -hydroxyphenyl) -methane, bis(4- hydroxyphenyl ) sulfone, bis (4 -hydroxyphenyl) sulfide, resorcinol, hydroquinone, and the like.
- the preferred dihydric phenols are 2 , 2-bis (4 -hydroxyphenyl) propane (bisphenol A) and bis (4- hydroxyphenyl ) methane for reasons of cost and availability and the like.
- Useful aldehydes are formaldehyde, acetaldehyde and propionaldehyde .
- curing agents such as linear phenolic resins from low and high molecular weight, Epikure 168 (ex Hexion Specialty Chemicals) or benzoxazine resins or a combination thereof can be used.
- non-ionic surface active agent there can be mentioned, for example, derivatives of polyethylene and / or polypropylene gycol , ethylene vinyl alcohol copolymer and / or polymers with free hydroxyl groups, such as polymers based on partially hydrolysed polyvinyl alcohol give particularly good results.
- Commercialy available product such as Rhodoviol, Polyviol, Mowiol, Airvol, Cuvol , Premiol, Poval , Mowital, Exceval .
- the process according the present invention is possible for blends of epoxy resins and phenolic novolac resins within the profile viscosity versus temperature as set in the ranges below: 1 500 000 to 300 mPas at 80 0 C and 10 000 to 20 mPas at 12O 0 C or more preferred 250 000 to 100 mPas at 90 0 C and 20 000 to 30 mPas at 110 0 C.
- the above viscosity range is obtained by a blend of epoxy resins of high or low molecular weight (high and low viscosity) and at least a phenolic novolac from high or low molecular weight.
- the molar ratio appropriated for the process used below and the properties of the cured formulation is as: epoxy resin/phenolic novolac resin mole ratio from 0.45/1 to 1/0.45 or more preferred from 0.45/1 to 1/0.70.
- the curing catalysts used in the invention are amine derivatives such as imidazoles or salts thereof, phosphine or phosphonium salts, blocked urones, amino-acids and the like known catalysts in the art to catalyze the reaction epoxy-phenol .
- Epoxy resins and phenolic novolac resins are mixed together at elevated temperature, ranging from 80 to 120 0 C.
- compositions made according to the composition and the process of the invention fulfill the wishes and need of the industry standards in terms of stability and reactivity.
- the above composition could be used for heat cure coating (on metal, paper, wood, plastics) , fiber sizing, adhesive, binder for abrasive, saturant for filter (fibers, paper) woven and non- woven binder applications.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Epoxy Resins (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010537304A JP5255651B2 (en) | 2007-12-12 | 2008-12-09 | Epoxy-phenol resin co-dispersion |
ES08860245T ES2729617T3 (en) | 2007-12-12 | 2008-12-09 | Co-dispersions of epoxy-phenolic resins |
EP08860245.3A EP2220160B1 (en) | 2007-12-12 | 2008-12-09 | Epoxy-phenolic resins co-dispersions |
CN200880120148.1A CN101896548B (en) | 2007-12-12 | 2008-12-09 | Epoxy-phenolic resins co-dispersions |
KR1020107012878A KR101252905B1 (en) | 2007-12-12 | 2008-12-09 | Epoxy-phenolic resins co-dispersions |
BRPI0819785A BRPI0819785A8 (en) | 2007-12-12 | 2008-12-09 | ORGANIC SOLVENT FREE PROCESS, COMPOSITION, AND USE OF A COMPOSITION |
US12/740,169 US8354475B2 (en) | 2007-12-12 | 2008-12-09 | Epoxy-phenolic resins co-dispersions |
CA2708427A CA2708427C (en) | 2007-12-12 | 2008-12-09 | Epoxy-phenolic resins co-dispersions |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07024055A EP2070984A1 (en) | 2007-12-12 | 2007-12-12 | Epoxy-phenolic resins co-dispersions |
EP07024055.1 | 2007-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009074293A1 true WO2009074293A1 (en) | 2009-06-18 |
Family
ID=39471857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/010447 WO2009074293A1 (en) | 2007-12-12 | 2008-12-09 | Epoxy-phenolic resins co-dispersions |
Country Status (10)
Country | Link |
---|---|
US (1) | US8354475B2 (en) |
EP (2) | EP2070984A1 (en) |
JP (1) | JP5255651B2 (en) |
KR (1) | KR101252905B1 (en) |
CN (1) | CN101896548B (en) |
BR (1) | BRPI0819785A8 (en) |
CA (1) | CA2708427C (en) |
ES (1) | ES2729617T3 (en) |
PT (1) | PT2220160T (en) |
WO (1) | WO2009074293A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013122847A1 (en) | 2012-02-15 | 2013-08-22 | Dow Global Technologies Llc | Premolding article from thermoset and thermoplastic polymer dispersions |
WO2013122848A1 (en) | 2012-02-15 | 2013-08-22 | Dow Global Technologies Llc | Pre-molding article from thermoset polymer dispersions |
WO2018175017A1 (en) | 2017-03-21 | 2018-09-27 | Dow Global Technologies Llc | Manufacture of composite dispersion based resin-infused random fiber mat |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007029531A1 (en) * | 2007-06-25 | 2009-01-08 | Hexion Specialty Chemicals Gmbh | resin dispersion |
CN104245837B (en) * | 2012-03-29 | 2018-08-10 | 陶氏环球技术有限责任公司 | Curable compositions |
EP2847256B1 (en) * | 2012-06-29 | 2016-12-28 | Dow Global Technologies LLC | Process for preparing stable aqueous epoxy resin dispersions |
EP2867277B1 (en) | 2012-06-29 | 2018-04-25 | Dow Global Technologies LLC | An epoxy resin blend dispersion and a process for preparing the dispersion |
CN103509519A (en) * | 2013-04-06 | 2014-01-15 | 连新兰 | Epoxy resin abrasive paste |
KR101473706B1 (en) | 2014-02-28 | 2014-12-18 | 주식회사 코리아에폭시 | Manufacturing method of alicyclic epoxy resin |
US11161976B2 (en) * | 2019-06-18 | 2021-11-02 | Hexion Vad Llc | Phenolic epoxy system |
CN110505767B (en) * | 2019-07-08 | 2021-03-30 | 苏州固泰新材股份有限公司 | Flexible copper foil base material and preparation method thereof |
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US4073762A (en) * | 1973-09-27 | 1978-02-14 | Minoru Hosoda | Aqueous epoxy resin paint composition |
US4124554A (en) * | 1977-02-03 | 1978-11-07 | Union Carbide Corporation | Post-formed aqueous phenolic resin dispersions |
WO2007118645A1 (en) * | 2006-04-13 | 2007-10-25 | Hexion Specialty Chemicals Gmbh | Resin dispersion |
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-
2007
- 2007-12-12 EP EP07024055A patent/EP2070984A1/en not_active Withdrawn
-
2008
- 2008-12-09 EP EP08860245.3A patent/EP2220160B1/en active Active
- 2008-12-09 CN CN200880120148.1A patent/CN101896548B/en active Active
- 2008-12-09 PT PT08860245T patent/PT2220160T/en unknown
- 2008-12-09 CA CA2708427A patent/CA2708427C/en active Active
- 2008-12-09 JP JP2010537304A patent/JP5255651B2/en active Active
- 2008-12-09 ES ES08860245T patent/ES2729617T3/en active Active
- 2008-12-09 US US12/740,169 patent/US8354475B2/en active Active
- 2008-12-09 WO PCT/EP2008/010447 patent/WO2009074293A1/en active Application Filing
- 2008-12-09 BR BRPI0819785A patent/BRPI0819785A8/en not_active Application Discontinuation
- 2008-12-09 KR KR1020107012878A patent/KR101252905B1/en active IP Right Grant
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013122847A1 (en) | 2012-02-15 | 2013-08-22 | Dow Global Technologies Llc | Premolding article from thermoset and thermoplastic polymer dispersions |
WO2013122848A1 (en) | 2012-02-15 | 2013-08-22 | Dow Global Technologies Llc | Pre-molding article from thermoset polymer dispersions |
US9303131B2 (en) | 2012-02-15 | 2016-04-05 | Dow Global Technologies Llc | Premolding article from thermoset and thermoplastic polymer dispersions |
US9458352B2 (en) | 2012-02-15 | 2016-10-04 | Dow Global Technologies Llc | Pre-molding article from thermoset polymer dispersions |
WO2018175017A1 (en) | 2017-03-21 | 2018-09-27 | Dow Global Technologies Llc | Manufacture of composite dispersion based resin-infused random fiber mat |
US11718934B2 (en) | 2017-03-21 | 2023-08-08 | Dow Global Technologies Llc | Manufacture of composite dispersion based resin-infused random fiber mat |
Also Published As
Publication number | Publication date |
---|---|
US8354475B2 (en) | 2013-01-15 |
EP2220160B1 (en) | 2019-02-20 |
BRPI0819785A2 (en) | 2015-05-05 |
US20100267887A1 (en) | 2010-10-21 |
EP2220160A1 (en) | 2010-08-25 |
CA2708427A1 (en) | 2009-06-18 |
CA2708427C (en) | 2013-05-28 |
KR101252905B1 (en) | 2013-04-09 |
JP5255651B2 (en) | 2013-08-07 |
ES2729617T3 (en) | 2019-11-05 |
EP2070984A1 (en) | 2009-06-17 |
PT2220160T (en) | 2019-06-04 |
BRPI0819785A8 (en) | 2023-04-18 |
CN101896548B (en) | 2015-11-25 |
JP2011506649A (en) | 2011-03-03 |
KR20100087216A (en) | 2010-08-03 |
CN101896548A (en) | 2010-11-24 |
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