CN107698735A - A kind of low-viscosity polyester resin and its preparation method and application - Google Patents

A kind of low-viscosity polyester resin and its preparation method and application Download PDF

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Publication number
CN107698735A
CN107698735A CN201711047829.7A CN201711047829A CN107698735A CN 107698735 A CN107698735 A CN 107698735A CN 201711047829 A CN201711047829 A CN 201711047829A CN 107698735 A CN107698735 A CN 107698735A
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monomer
polyester resin
low
viscosity polyester
viscosity
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刘泉昕
刘奎
刘舜知
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Guangdong Polytron Technologies Inc Clatior
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Guangdong Polytron Technologies Inc Clatior
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    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4825—Polyethers containing two hydroxy groups
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633—Compounds of group C08G18/42
    • C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C08G18/6644—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
    • C08G18/724—Combination of aromatic polyisocyanates with (cyclo)aliphatic polyisocyanates
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
    • 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
    • C09D11/00—Inks
    • C09D11/30—Inkjet printing inks

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

The invention discloses a kind of low-viscosity polyester resin and its preparation method and application, is related to UV ink material technical fields, including following components in percentage by weight：Isocyanates monomer 10 20%, acrylic ester monomer 10 15%, chain extender 3 10%, PPG 40 60%, catalyst 0.1 0.2%, antioxidant 0.01 0.02%, diluting monomer 10 25%.Polyester resin is prepared using two-step method in the present invention, the first step is to prepare polyurethane prepolymer with isocyanates monomer and PPG reaction, and second step is to add acrylic ester monomer and carry out reaction that target product is prepared.The preparation method is simple to operation, the polyester resin of preparation, also with good toughness and tack, is used it for preparing UV ink-jet inks while possessing low viscosity, with good dispersion, viscosity is low, quick-setting characteristic, and can fully solidify under high print speed.

Description

A kind of low-viscosity polyester resin and its preparation method and application
Technical field
The present invention relates to UV ink material technical fields, more particularly to a kind of low-viscosity polyester resin and preparation method thereof and Using.
Background technology
With the short version of printing packaging industry, personalized development and the rise of large format painting advertisement, digital ink-jet print Brush technology is applied widely.Different from traditional water-base ink and solvent-based inks, ultraviolet light solidification (UV) ink is one Kind novel environment friendly ink, under the action of uv light, the light trigger in ink system can occur photochemical reaction and produce Active group, so as to trigger the crosslinking of monomer and resin in ink system, polymerization, make ink system in very short time by liquid Coating becomes solid-state coating.UV inks have organic volatile zero-emission, low energy consumption in curable print technology, are suitable for respectively Kind of stock, instant drying and it is moist before ink-jet, to shower nozzle without blocking the features such as, nearly 2 years its develop with application and development just by Pay attention to extensive.
Currently, domestic Duo Suo universities and colleges and ink-jet ink manufacturing enterprise have started to set about the research of UV ink association areas And Product Development, grasp mass data and experience in composition proportion and ink performance regulation of UV inks etc.. But because the UV inks of domestic production can't fully meet the needs of production in performance, so many ink jet printing enterprises make UV inks still rely on import.There is an urgent need to the associated mechanisms of country increasing research dynamics, constantly improve skill for this phenomenon Art, goes out that good dispersion, viscosity are low, film forming shrinkage is small, adhesive force is good, curing rate is fast, health and safety with low cost development UV inks.Because UV inks require that viscosity is relatively low, and performance requires consistent with traditional UV ink, and existing UV resins are in viscosity Although above some can meet to require, the technical indicator of traditional ink is not reached in performance, can be in performance so developing The resin that upper satisfaction requirement and viscosity meet ink-jet low viscosity again turns into demand.
The content of the invention
Performance be present for existing preparation UV ink-jet ink resins and the defects of viscosity can not fully meet production requirement, The present invention proposes a kind of low-viscosity polyester resin and its preparation method and application, and the polyester resin viscosity of preparation is low, toughness It is good, use it for preparing UV ink-jet inks, quick-setting characteristic good with adhesive force.
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Isocyanates list Body 10-20%, acrylic ester monomer 10-15%, chain extender 3-10%, PPG 40-60%, catalyst 0.1- 0.2%th, antioxidant 0.01-0.02%, diluting monomer 10-25%.
Preferably, the isocyanates monomer is one kind in toluene di-isocyanate(TDI), IPDI It is or a variety of.
Preferably, the acrylic ester monomer is Isooctyl acrylate monomer, hydroxyethyl methacrylate, isobomyl acrylate Ester, ethoxylated acrylic oxygen phenyl ester, hydroxy-ethyl acrylate, three ring certain herbaceous plants with big flowers base Dimethanol Diacrylates, propoxylation new penta 2 Alcohol diacrylate, propylene glycol diacrylate, ethoxylated trimethylolpropane triacrylate, propoxylated glycerol three Acrylate, trimethylolpropane trimethacrylate, two, the one or more in trimethylolpropane tetra-acrylate.
Preferably, the chain extender is diethylene glycol, triethylene glycol, polyethylene glycol 200, Liquid Macrogol, polyethylene glycol 400th, any one or more in Macrogol 600, polypropylene glycol, glycerine, trimethylolpropane, pentaerythrite.
Preferably, the PPG is to appoint in DL-400, DL-1000, DL-2000D, DL-3000D, DL-4000D Meaning is one or more.
Preferably, the catalyst is Mono-n-butyltin, Dibutyltin oxide, dibutyl tin laurate, dibutyl Aoxidize any one or more in tin chloride, dibutyl tin acetate.
Preferably, the antioxidant is hydroquinones, BHT, 2,6- three-level butyl -4- methylbenzenes Phenol, double (3,5- three-level butyl -4- hydroxy phenyls) thioethers, four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) Ji Wusi Any one or more in alcohol ester.
Preferably, the diluting monomer be 1,6- hexanediyl esters, HDDMA, 1, Any one or more in 3- butanediol dimethylacrylates, ethylene glycol dimethacrylate.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) isocyanates monomer is added in reactor, stirred, be warming up to reacting kettle jacketing temperature as 40-45 DEG C；
2) catalyst of chain extender, PPG and 1/2 weight is mixed, obtains mixed material；
3) mixed material is instilled in reactor, is added dropwise, insulation reaction 1-2h, obtains reaction system I；
4) acrylic monomer, the catalyst and antioxidant of residuals weight, heating are added into the reaction system I of reactor It is 60-65 DEG C to reacting kettle jacketing temperature, insulation reaction 2-3h, obtains reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 30-35 DEG C, adds diluting monomer, stirring reaction 1- 2h, filter, discharge, packaging, produce.
The invention also provides above-mentioned low-viscosity polyester resin in application of the ink-jet printer in UV inks.
Compared with prior art, the beneficial effects of the present invention are：Polyester resin is prepared using two-step method in the present invention, first Step is to prepare polyurethane prepolymer with isocyanates monomer and PPG reaction, and second step is to add esters of acrylic acid list Body carries out reaction and target product is prepared.The preparation method is simple to operation, and the polyester resin of preparation is possessing low viscosity Meanwhile also especially there is excellent adhesive force to PVC base, its viscosity is less than with good toughness and adhesive force 100cps (25 DEG C), use it for preparing UV ink-jet inks, have that good dispersion, viscosity is low, quick-setting characteristic, and in height Can fully it solidify under print speed.
Embodiment
Below, with reference to embodiment, the present invention is described further：
Embodiment 1
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Isocyanates list Body 20%, acrylic ester monomer 15%, chain extender 10%, PPG 40%, catalyst 0.1%, antioxidant 0.02%, Diluting monomer 14.88%.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) isocyanates monomer is added in reactor, stirred, be warming up to reacting kettle jacketing temperature as 40 DEG C；
2) catalyst of chain extender, PPG and 1/2 weight is mixed, obtains mixed material；
3) mixed material is instilled in reactor, is added dropwise, insulation reaction 1h, obtains reaction system I；
4) acrylic monomer, the catalyst and antioxidant of residuals weight, heating are added into the reaction system I of reactor It is 60 DEG C to reacting kettle jacketing temperature, insulation reaction 2h, obtains reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 30 DEG C, adds diluting monomer, stirring reaction 1h, mistake Filter, discharge, packaging, produce.
The invention also provides above-mentioned low-viscosity polyester resin in application of the ink-jet printer in UV inks.
Embodiment 2
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Toluene diisocynate Ester monomer 10%, Isooctyl acrylate monomer monomer 10%, chain extender diethylene glycol 3%, PPG DL-40060%, catalyst Double (the 3,5- three-level butyl -4- hydroxy phenyls) thioether 0.01% of Dibutyltin oxide 0.2%, antioxidant, diluting monomer 1,6- oneself Omega-diol diacrylate 16.79%.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) toluene diisocyanate monomer is added in reactor, stirred, be warming up to reacting kettle jacketing temperature as 40 DEG C；
2) the catalyst Dibutyltin oxide of chain extender diethylene glycol, PPG DL-400 and 1/2 weight is carried out Mixing, obtains mixed material；
3) mixed material is at the uniform velocity instilled in reactor in 2h, be added dropwise, insulation reaction 1h, obtain reaction system I；
4) Isooctyl acrylate monomer monomer, the catalyst dibutyl oxygen of residuals weight are added into the reaction system I of reactor Change tin and double (3, the 5- three-level butyl -4- hydroxy phenyls) thioethers of antioxidant, be warming up to reacting kettle jacketing temperature as 60 DEG C, insulation is anti- 2h is answered, obtains reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 30 DEG C, adds diluting monomer 1, the propylene of 6- hexylene glycols two Acid esters, stirring reaction 1h, filter, discharge, packaging, produce.
Embodiment 3
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Isophorone two is different Cyanate ester monomer 18%, hydroxyethyl methacrylate monomer 10%, chain extender glycerine 8%, PPG DL-40054%, Catalyst Mono-n-butyltin 0.15%, antioxidant hydroquinones 0.02%, diluting monomer 1,6-HD dimethacrylate Ester 9.83%.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) IPDI monomer is added in reactor, stirred, being warming up to reacting kettle jacketing temperature is 45℃；
2) the catalyst Mono-n-butyltin of chain extender glycerine, PPG DL-400 and 1/2 weight is mixed Close, obtain mixed material；
3) mixed material is at the uniform velocity instilled in reactor in 2h, be added dropwise, insulation reaction 1.5h, obtain reaction system I；
4) hydroxyethyl methacrylate monomer, the catalyst only son of residuals weight are added into the reaction system I of reactor Base tin oxide and antioxidant hydroquinones, reacting kettle jacketing temperature is warming up to as 65 DEG C, insulation reaction 2.5h, obtains reaction system Ⅱ；
5) reaction system II is cooled to reacting kettle jacketing temperature as 35 DEG C, adds diluting monomer 1,6- hexylene glycol dimethyl Acrylate, stirring reaction 1.5h, filter, discharge, packaging, produce.
Embodiment 4
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Isophorone two is different Cyanate ester monomer 14%, hydroxyethyl acrylate monomers 7%, propylene glycol diacrylate monomer 5%, chain extender trihydroxy methyl third Alkane 4%, PPG DL-100045%, catalyst Dibutyltin oxide chloride 0.1%, antioxidant 2,6- di-t-butyls Paracresol 0.01%, diluting monomer 1,6 hexanediol diacrylate 14.34%, 1,3 butylene glycol dimethylacrylate 10.55%.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) IPDI monomer is added in reactor, stirred, being warming up to reacting kettle jacketing temperature is 45℃；
2) by the catalyst Dibutyltin oxide of chain extender trimethylolpropane, PPG DL-1000 and 1/2 weight Chloride is mixed, and obtains mixed material；
3) mixed material is at the uniform velocity instilled in reactor in 2h, be added dropwise, insulation reaction 1.5h, obtain reaction system I；
4) added into the reaction system I of reactor hydroxyethyl acrylate monomers and propylene glycol diacrylate monomer, The catalyst Dibutyltin oxide chloride and antioxidant BHT of residuals weight, are warming up to reacting kettle jacketing Temperature is 65 DEG C, insulation reaction 2.5h, obtains reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 35 DEG C, adds diluting monomer 1, the propylene of 6- hexylene glycols two Acid esters and 1,3-BDO dimethylacrylate, stirring reaction 1.5h, filter, discharge, packaging, produce.
Embodiment 5
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Isophorone two is different Cyanate ester monomer 16%, isobornyl acrylate monomer 12%, chain extender polyethylene glycol 200 8%, PPG DL- 100050%th, catalyst dibutyltin dilaurylate 0.1%, antioxidant DBPC 2,6 ditertiary butyl p cresol 0.01%, diluting monomer 1,6 hexanediol diacrylate 13.89%.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) IPDI monomer is added in reactor, stirred, being warming up to reacting kettle jacketing temperature is 45℃；
2) by the fourth of catalyst dibutyltin cinnamic acid two of chain extender polyethylene glycol 200, PPG DL-1000 and 1/2 weight Ji Xi is mixed, and obtains mixed material；
3) mixed material is at the uniform velocity instilled in reactor in 2h, be added dropwise, insulation reaction 1.5h, obtain reaction system I；
4) isobornyl acrylate monomer, the catalyst dibutyltin osmanthus of residuals weight are added into the reaction system I of reactor Sour dibutyl tin and antioxidant BHT, reacting kettle jacketing temperature is warming up to as 65 DEG C, insulation reaction 2.5h, Obtain reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 35 DEG C, adds diluting monomer 1, the propylene of 6- hexylene glycols two Acid esters, stirring reaction 1.5h, filter, discharge, packaging, produce.
Embodiment 6
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Isophorone two is different Cyanate ester monomer 15%, hydroxyethyl acrylate monomers 6%, ethoxylated acrylic oxygen acrylate monomers 6%, chain extender pentaerythrite 4%th, chain extender triethylene glycol 4%, PPG DL-2000D 50%, catalyst dibutyltin dilaurylate 0.2%, anti- Oxygen agent four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol ester 0.02%, diluting monomer ethylene glycol dimethyl Acrylate 14.78%.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) IPDI monomer is added in reactor, stirred, being warming up to reacting kettle jacketing temperature is 45℃；
2) by chain extender pentaerythrite and triethylene glycol, PPG DL-2000D, 1/2 weight catalyst dibutyltin osmanthus Sour dibutyl tin is mixed, and obtains mixed material；
3) mixed material is at the uniform velocity instilled in reactor in 2h, be added dropwise, insulation reaction 2h, obtain reaction system I；
4) into the reaction system I of reactor add hydroxyethyl acrylate monomers, ethoxylated acrylic oxygen acrylate monomers, Catalyst dibutyltin dilaurylate and antioxidant four (β-(the 3,5- three-level butyl -4- hydroxy phenyls) propionic acid) season of residuals weight Doutrate, reacting kettle jacketing temperature is warming up to as 65 DEG C, insulation reaction 3h, obtains reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 35 DEG C, adds diluting monomer ethylene glycol dimethyl propylene Acid esters, stirring reaction 2h, filter, discharge, packaging, produce.
Embodiment 7
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Toluene diisocynate Ester 5%, IPDI monomer 8%, ethoxylated trimethylolpropane triacrylate monomer 11%, chain extender Polypropylene glycol 10%, PPG DL-3000D 55%, catalyst dibutyl tin acetate 0.1%, the uncles of antioxidant 2,6- bis- Double (the 3,5- three-level butyl -4- hydroxy phenyls) thioether 0.01% of butyl paracresol 0.01%, antioxidant, diluting monomer 1,6- oneself two Alcohol diacrylate 10.88%.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) toluene di-isocyanate(TDI), IPDI monomer are added in reactor, stirred, is warming up to anti- It is 40 DEG C to answer kettle jacket temperature；
2) by the catalyst dibutyl tin acetate of chain extender polypropylene glycol, PPG DL-3000D and 1/2 weight Mixed, obtain mixed material；
3) mixed material is at the uniform velocity instilled in reactor in 2h, be added dropwise, insulation reaction 2h, obtain reaction system I；
4) ethoxylated trimethylolpropane triacrylate monomer, remaining weight are added into the reaction system I of reactor The catalyst dibutyl tin acetate and antioxidant DBPC 2,6 ditertiary butyl p cresol of amount, double (3,5- three-level butyl -4- hydroxy benzenes Base) thioether, reacting kettle jacketing temperature is warming up to as 60 DEG C, insulation reaction 3h, obtains reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 30 DEG C, adds diluting monomer 1, the propylene of 6- hexylene glycols two Acid esters, stirring reaction 2h, filter, discharge, packaging, produce.
Embodiment 8
The present invention proposes a kind of low-viscosity polyester resin, including following components in percentage by weight：Isophorone two is different Cyanate ester monomer 20%, trimethylolpropane trimethacrylate monomer 13%, chain extender Macrogol 600 5%, PPG DL-4000D 45%, catalyst dibutyltin the dilaurylate 0.1%, (β-(3,5- three-level butyl -4- hydroxy benzenes of antioxidant four Base) propionic acid) pentaerythritol ester 0.01%, diluting monomer 1,6 hexanediol diacrylate 16.89%.
The invention also provides the preparation method of above-mentioned low-viscosity polyester resin, comprise the following steps：
1) IPDI monomer is added in reactor, stirred, being warming up to reacting kettle jacketing temperature is 40℃；
2) by the fourth of catalyst dibutyltin cinnamic acid two of chain extender Macrogol 600, PPG DL-4000D and 1/2 weight Ji Xi is mixed, and obtains mixed material；
3) mixed material is at the uniform velocity instilled in reactor in 2h, be added dropwise, insulation reaction 1.5h, obtain reaction system I；
4) catalysis of trimethylolpropane trimethacrylate monomer, residuals weight is added into the reaction system I of reactor Agent dibutyl tin laurate and antioxidant four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol ester, heating It is 65 DEG C to reacting kettle jacketing temperature, insulation reaction 2h, obtains reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 35 DEG C, adds diluting monomer 1, the propylene of 6- hexylene glycols two Acid esters, stirring reaction 2h, filter, discharge, packaging, produce.
Application test
First, test method
Take commercially available UV ink-jet inks as a comparison case, test its viscosity, and use it for the printing of Omagicjet UV flat boards Machine, 20cm X 20cm color color lump is printed in PVC board, test hardness and adhesive force；
Low-viscosity polyester resin prepared by 2-8 of the embodiment of the present invention is added to above-mentioned city according to 3.0% ratio respectively Sell in UV ink-jet inks, stir, the viscosity of the UV ink-jet inks after test addition, and use it for Omagicjet UV and put down Plate printer, 20cmX 20cm color color lump is printed in PVC board, test hardness and adhesive force respectively.
2nd, detection method
1st, viscosity test：Under the conditions of 25 DEG C, with+Pro type viscosimeter the tested viscosities of Brookfield DV- II；
2nd, hardness test：At room temperature, with CT-291 platform measuring pencil durometer hardness.Method of testing meets GB/ The requirement of T6739-2006 standards, determines series：20 grades (9B-9H), Chinese board advanced drawing pencil (by soft to hard)：9B、8B、 7B、6B、5B、4B、3B、2B、B、HB、F、H、2H、3H、4H、5H、6H、7H、8H、9H。
3rd, adhesive force is tested：Adhesive force is tested with cross-hatching at room temperature, meets the requirement of GB/T9286-1998 standards, surveys Deciding grade and level number (by poor to excellent)：0、1、2、3、4.
The UV ink-jet ink performance parameters of table 1
As it can be seen from table 1 after polyester resin prepared by addition embodiment of the present invention 2-8, though the viscosity of UV ink-jet inks There are increase but unobvious slightly, within shower nozzle accommodation, on the effect of printing substantially without influence, but the picture printed is resistance to Wiping property and hardness are obviously improved, especially more excellent to the adhesive force of PVC base, hard in embodiment 2-8 compared with comparative example Degree and adhesive force improve at least one grade.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention Within.

Claims (10)

1. a kind of low-viscosity polyester resin, it is characterised in that including following components in percentage by weight：Isocyanates monomer 10-20%, acrylic ester monomer 10-15%, chain extender 3-10%, PPG 40-60%, catalyst 0.1-0.2%, Antioxidant 0.01-0.02%, diluting monomer 10-25%.
2. low-viscosity polyester resin according to claim 1, it is characterised in that the isocyanates monomer is toluene two One or more in isocyanates, IPDI.
3. low-viscosity polyester resin according to claim 1, it is characterised in that the acrylic ester monomer is acrylic acid Different monooctyl ester, hydroxyethyl methacrylate, isobornyl acrylate, ethoxylated acrylic oxygen phenyl ester, hydroxy-ethyl acrylate, three rings Certain herbaceous plants with big flowers base Dimethanol Diacrylate, ethoxylated neopentylglycol diacrylate, propylene glycol diacrylate, ethoxylation three Hydroxymethyl-propane triacrylate, propoxylated glycerol triacrylate, trimethylolpropane trimethacrylate, two, three hydroxyl first One or more in base tetraacrylate.
4. low-viscosity polyester resin according to claim 1, it is characterised in that the chain extender is diethylene glycol, three second Glycol, polyethylene glycol 200, Liquid Macrogol, polyethylene glycol 400, Macrogol 600, polypropylene glycol, glycerine, trihydroxy methyl Any one or more in propane, pentaerythrite.
5. low-viscosity polyester resin according to claim 1, it is characterised in that the PPG is DL-400, DL- 1000th, any one or more in DL-2000D, DL-3000D, DL-4000D.
6. low-viscosity polyester resin according to claim 1, it is characterised in that the catalyst be Mono-n-butyltin, In Dibutyltin oxide, dibutyl tin laurate, Dibutyltin oxide chloride, dibutyl tin acetate any one or It is a variety of.
7. low-viscosity polyester resin according to claim 1, it is characterised in that the antioxidant is hydroquinones, 2,6- BHT, 2,6- three-level butyl -4- methylphenols, double (3,5- three-level butyl -4- hydroxy phenyls) thioethers, four (β - (3,5- three-level butyl -4- hydroxy phenyls) propionic acid) any one or more in pentaerythritol ester.
8. low-viscosity polyester resin according to claim 1, it is characterised in that the diluting monomer is 1,6- hexylene glycols two Acrylate, 1,6-HD dimethylacrylate, 1,3 butylene glycol dimethylacrylate, ethyleneglycol dimethacrylate Any one or more in ester.
A kind of 9. preparation method based on any described low-viscosity polyester resins of claim 1-8, it is characterised in that including with Lower step：
1) isocyanates monomer is added in reactor, stirred, be warming up to reacting kettle jacketing temperature as 40-45 DEG C；
2) catalyst of chain extender, PPG and 1/2 weight is mixed, obtains mixed material；
3) mixed material is instilled in reactor, is added dropwise, insulation reaction 1-2h, obtains reaction system I；
4) acrylic monomer, the catalyst and antioxidant of residuals weight are added into the reaction system I of reactor, is warming up to anti- It is 60-65 DEG C to answer kettle jacket temperature, insulation reaction 2-3h, obtains reaction system II；
5) reaction system II is cooled to reacting kettle jacketing temperature as 30-35 DEG C, adds diluting monomer, stirring reaction 1-2h, mistake Filter, discharge, packaging, produce.
10. the low-viscosity polyester resin as described in claim 1-8 is any is in application of the ink-jet printer in UV inks.
CN201711047829.7A 2017-10-31 2017-10-31 A kind of low-viscosity polyester resin and its preparation method and application Pending CN107698735A (en)

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CN112194769A (en) * 2020-09-28 2021-01-08 广州科苑新型材料有限公司 Waterborne polyurethane/polyacrylate modified ketone-aldehyde resin composite emulsion and preparation method and application thereof

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CN112194769A (en) * 2020-09-28 2021-01-08 广州科苑新型材料有限公司 Waterborne polyurethane/polyacrylate modified ketone-aldehyde resin composite emulsion and preparation method and application thereof

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Application publication date: 20180216