CN105218784A - A kind of high-flexibility modification UV epoxy acrylate and preparation method thereof - Google Patents
A kind of high-flexibility modification UV epoxy acrylate and preparation method thereof Download PDFInfo
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- CN105218784A CN105218784A CN201510683392.0A CN201510683392A CN105218784A CN 105218784 A CN105218784 A CN 105218784A CN 201510683392 A CN201510683392 A CN 201510683392A CN 105218784 A CN105218784 A CN 105218784A
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Abstract
The present invention relates to a kind of high-flexibility modification UV epoxy acrylate and preparation method thereof, it is formulated by following ratio of weight and number by following component: epoxy resin 50-65 part, acrylic monomer 10-18 part, stopper 0.1-0.5 part, catalyzer 0.2-0.6 part, oxidation inhibitor 0.1-0.25 part, organic acid 4-18 part, reactive thinner 15-22 part.High-flexibility modification UV epoxy acrylate prepared by the present invention not only maintains every over-all properties such as high rigidity, high curing rate, high resistance to chemicals moral character that traditional UV epoxy acrylate has, there is the performances such as good snappiness, levelling property and color stuffing wettability simultaneously, reach rigidity and flexible balance.Separately for ask for something snappiness or hold yielding base material field, UV raw materials for varnish can be decreased and selects composite operation, greatly expand the Application Areas of UV ring propyl ester series product in UV coating.
Description
Technical field
The present invention relates to a kind of high-flexibility modification UV epoxy acrylate and preparation method thereof.
Background technology
UV epoxy acrylate is current most widely used general, UV resin that consumption is maximum, and it is obtained by epoxy resin and acroleic acid esterification.In view of its molecular structure, UV epoxy acrylate has the preferably over-all properties such as higher rigidity, hardness, chemical-resistant, its curing speed is also the one that in UV resin, curing speed is the fastest simultaneously, is therefore widely used as the matrix resin in the fields such as UV woodenware, paper, plastics, metallic paint.But simultaneously due to its molecular structure; determine its cured film and there is the shortcomings such as snappiness difference, fragility is high; therefore be not suitable for separately for ask for something snappiness or hold yielding base material field; use so usually can spell to make with flexible UV resin such as some urethane acrylate, polyester acrylates etc.; this not only adds painting operation; add man-hour, cost also has increase to a certain degree simultaneously.Therefore prepare a kind of high-flexibility modification UV epoxy acrylate just to seem and be necessary very much.
Summary of the invention
The invention provides a kind of high-flexibility modification UV epoxy acrylate, it solve the technical problem that existing UV epoxy acrylate has the defects such as snappiness difference, fragility is high, it can separately for ask for something snappiness and the yielding base material field of appearance, decrease UV raw materials for varnish and select composite operation, greatly expand the Application Areas of UV ring propyl ester series product in UV coating.
Technical scheme of the present invention is as follows:
A kind of high-flexibility modification UV epoxy acrylate, it is formulated according to following mass fraction by following component:
Further, described epoxy resin is bisphenol A epoxide resin.
Further, described acrylic monomer is the one in acrylic or methacrylic acid.
Further, described stopper is one or more arbitrary combination in Resorcinol, MEHQ or 2,6 ditertiary butyl p cresol.
Further, described catalyzer is one or more arbitrary combination in triethylamine, triphenylphosphine or benzyltriethylammoinium chloride.
Further, described oxidation inhibitor is Hypophosporous Acid, 50.
Further, described organic acid is the one in hexanodioic acid, MALEIC ANHYDRIDE or laurostearic acid.
Further, described reactive thinner is the one in propylene glycol diacrylate, tripropylene glycol diacrylate or Viscoat 295.
A kind of preparation method of high-flexibility modification UV epoxy acrylate, be prepared from accordance with the following methods: at room temperature, epoxy resin 50-65 part, acrylic monomer 10-18 part, stopper 0.1-0.5 part, catalyzer 0.2-0.6 part, oxidation inhibitor 0.1-0.25 part and organic acid 4-18 part are added in agitator successively, stirs 20-30min;
Then be warmed up to 90-120 DEG C, the described heating-up time is 1-3 hour, then measures the acid number of reaction system, until the acid number of reaction system is less than 5mgKOH/g;
Be cooled to 60-90 DEG C afterwards, add reactive thinner 15-22 part, stir 20-30min.
Beneficial effect of the present invention: a kind of high-flexibility modification of the present invention UV epoxy acrylate, it not only maintains every over-all properties such as high rigidity, high curing rate, high resistance to chemicals moral character that traditional UV epoxy acrylate has, there is the performances such as good snappiness, levelling property and color stuffing wettability simultaneously, reach rigidity and flexible balance.Separately for ask for something snappiness or hold yielding base material field, UV raw materials for varnish can be decreased and selects composite operation, greatly expand the Application Areas of UV ring propyl ester series product in UV coating.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.Product in following examples is all commercially available products.
Embodiment 1
By 52.31g epoxy resin, 12.44g vinylformic acid, 0.02g2,6-ditertbutylparacresol, 0.11g MEHQ, 0.2g benzyltriethylammoinium chloride, 0.13g triphenylphosphine, 0.11g Hypophosporous Acid, 50,12.98g laurostearic acid are sequentially added into the four-hole boiling flask of band whipping appts, stir, 90 degree are warmed up to 1 hour, insulation reaction is less than 5mgKOH/g to acid number, then cools to less than 60 degree, adds 21.7g propylene glycol diacrylate, stir 0.5 hour, discharging.
Embodiment 2
By 62.33g epoxy resin, 17.26g vinylformic acid, 0.08g2,6-ditertbutylparacresol, 0.34g Resorcinol, 0.23g triethylamine, 0.25g triphenylphosphine, 0.2g Hypophosporous Acid, 50,4.29g hexanodioic acid are sequentially added into the four-hole boiling flask of band whipping appts, stir, 100 degree are warmed up to 3 hours, insulation reaction is less than 5mgKOH/g to acid number, then cools to less than 70 degree, adds 15.02g tripropylene glycol diacrylate, stir 0.5 hour, discharging.
Embodiment 3
By 57.17g epoxy resin, 15.04g vinylformic acid, 0.02g2,6-ditertbutylparacresol, 0.13g MEHQ, 0.21g benzyltriethylammoinium chloride, 0.16g triphenylphosphine, 0.12g Hypophosporous Acid, 50,6.54g hexanodioic acid are sequentially added into the four-hole boiling flask of band whipping appts, stir, 110 degree are warmed up to 2 hours, insulation reaction is less than 5mgKOH/g to acid number, then cools to less than 80 degree, adds 20.61g propylene glycol diacrylate, stir 0.5 hour, discharging.
Embodiment 4
By 53.28g epoxy resin, 15.35g methacrylic acid, 0.05g2,6-ditertbutylparacresol, 0.15g MEHQ, 0.15g benzyltriethylammoinium chloride, 0.3g triethylamine, 0.22g Hypophosporous Acid, 50,14.77g laurostearic acid are sequentially added into the four-hole boiling flask of band whipping appts, stir, 120 degree are warmed up to 1.5 hours, insulation reaction is less than 5mgKOH/g to acid number, then cool to less than 90 degree, add 15.73g Viscoat 295, stir 0.5 hour, discharging.
Embodiment 5
At room temperature, epoxy resin 50 parts, methacrylic acid 10 parts, 2,6 ditertiary butyl p cresol 0.1 part, MEHQ 0.2 part, benzyltriethylammoinium chloride 0.1 part and laurostearic acid 4 parts are added in agitator successively, stir 20min; Then be warmed up to 90 DEG C, the described heating-up time is 1 hour, then measures the acid number of reaction system, until the acid number of reaction system is less than 5mgKOH/g; Be cooled to less than 90 DEG C afterwards, add Viscoat 295 15 parts, stir 20min.
Embodiment 6
At room temperature, epoxy resin 65 parts, methacrylic acid 18 parts, 2,6 ditertiary butyl p cresol 0.5 part, MEHQ 0.6 part, benzyltriethylammoinium chloride 0.25 part and laurostearic acid 18 parts are added in agitator successively, stir 30min; Then be warmed up to 120 DEG C, the described heating-up time is 3 hours, then measures the acid number of reaction system, until the acid number of reaction system is less than 5mgKOH/g; Be cooled to less than 90 DEG C afterwards, add Viscoat 295 22 parts, stir 30min.
High-flexibility modification UV epoxy acrylate obtained by above-described embodiment 1-6 is prepared UV paint by the formula of table 1, and compares with traditional UV epoxy acrylate, its detected result is as shown in table 2.
Table 1UV matte varnish formula
Table 2UV matte varnish performance test results
As can be seen from the above table, UV paint prepared by high-flexibility modification UV epoxy acrylate of the present invention not only maintains every over-all properties such as high rigidity, high curing rate that traditional UV epoxy acrylate has, it has the performances such as better snappiness, levelling property simultaneously, reach rigidity and flexible balance, therefore there is more wide application prospect.
The present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.
Claims (9)
1. a high-flexibility modification UV epoxy acrylate, is characterized in that, it is formulated by following ratio of weight and number by following component:
2., according to high-flexibility modification UV epoxy acrylate according to claim 1, it is characterized in that: described epoxy resin is bisphenol A epoxide resin.
3., according to high-flexibility modification UV epoxy acrylate according to claim 1, it is characterized in that: described acrylic monomer is the one in acrylic or methacrylic acid.
4. according to high-flexibility modification UV epoxy acrylate according to claim 1, it is characterized in that: described stopper is one or more arbitrary combination in Resorcinol, MEHQ or 2,6 ditertiary butyl p cresol.
5. according to high-flexibility modification UV epoxy acrylate according to claim 1, it is characterized in that: described catalyzer is one or more arbitrary combination in triethylamine, triphenylphosphine or benzyltriethylammoinium chloride.
6., according to high-flexibility modification UV epoxy acrylate according to claim 1, it is characterized in that: described oxidation inhibitor is Hypophosporous Acid, 50.
7., according to high-flexibility modification UV epoxy acrylate according to claim 1, it is characterized in that: described organic acid is the one in hexanodioic acid, MALEIC ANHYDRIDE or laurostearic acid.
8., according to high-flexibility modification UV epoxy acrylate according to claim 1, it is characterized in that: described reactive thinner is the one in propylene glycol diacrylate, tripropylene glycol diacrylate or Viscoat 295.
9., according to the preparation method of the high-flexibility modification UV epoxy acrylate described in claim 1-8 any one, it is characterized in that, be prepared from accordance with the following methods:
At room temperature, epoxy resin 50-65 part, acrylic monomer 10-18 part, stopper 0.1-0.5 part, catalyzer 0.2-0.6 part, oxidation inhibitor 0.1-0.25 part and organic acid 4-18 part are added in agitator successively, stir 20-30min;
Then be warmed up to 90-120 DEG C, the described heating-up time is 1-3 hour, then measures the acid number of reaction system, until the acid number of reaction system is less than 5mgKOH/g;
Be cooled to 60-90 DEG C afterwards, add reactive thinner 15-22 part, stir 20-30min.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106279638A (en) * | 2016-08-16 | 2017-01-04 | 浙江创赢新材料有限公司 | The preparation method of poly-modified by polyacid UV cured epoxy acrylic performed polymer |
| CN107151297A (en) * | 2016-12-30 | 2017-09-12 | 衡水学院 | The preparation method of high-modulus maleic acid epoxy photosensitive resin |
| CN107384141A (en) * | 2017-08-22 | 2017-11-24 | 杭州雄鹰精细化工有限公司 | A kind of aqueous, environmental protective UV gloss oil and preparation method thereof |
| CN109929392A (en) * | 2017-12-15 | 2019-06-25 | 惠州市长润发涂料有限公司 | A kind of Epocryl and preparation method thereof improving UV priming paint grinability |
| CN112538310A (en) * | 2020-12-10 | 2021-03-23 | 中电保力（北京）科技有限公司 | Flexible epoxy acrylate UV curing coating and application thereof in cable joint |
| CN114773905A (en) * | 2022-04-15 | 2022-07-22 | 华南理工大学 | White UV/thermal dual-curing FPC inkjet character ink and preparation method thereof |
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| CN102002022A (en) * | 2010-10-29 | 2011-04-06 | 苏州凯康化工科技有限公司 | Lauric acid modified epoxy acrylate, preparation method and application thereof |
| CN103333321A (en) * | 2013-07-10 | 2013-10-02 | 无锡市金盛助剂厂 | Synthetic method of modified bisphenol A epoxy acrylate resin |
| CN103588956A (en) * | 2013-11-01 | 2014-02-19 | 南通星辰合成材料有限公司 | Preparation method of epoxy acrylate reactive diluent |
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| CN102002022A (en) * | 2010-10-29 | 2011-04-06 | 苏州凯康化工科技有限公司 | Lauric acid modified epoxy acrylate, preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106279638A (en) * | 2016-08-16 | 2017-01-04 | 浙江创赢新材料有限公司 | The preparation method of poly-modified by polyacid UV cured epoxy acrylic performed polymer |
| CN107151297A (en) * | 2016-12-30 | 2017-09-12 | 衡水学院 | The preparation method of high-modulus maleic acid epoxy photosensitive resin |
| CN107151297B (en) * | 2016-12-30 | 2019-07-02 | 衡水学院 | The preparation method of high-modulus maleic acid epoxy photosensitive resin |
| CN107384141A (en) * | 2017-08-22 | 2017-11-24 | 杭州雄鹰精细化工有限公司 | A kind of aqueous, environmental protective UV gloss oil and preparation method thereof |
| CN109929392A (en) * | 2017-12-15 | 2019-06-25 | 惠州市长润发涂料有限公司 | A kind of Epocryl and preparation method thereof improving UV priming paint grinability |
| CN112538310A (en) * | 2020-12-10 | 2021-03-23 | 中电保力（北京）科技有限公司 | Flexible epoxy acrylate UV curing coating and application thereof in cable joint |
| CN112538310B (en) * | 2020-12-10 | 2022-03-15 | 中电保力（北京）科技有限公司 | Flexible epoxy acrylate UV curing coating and application thereof in cable joint |
| CN114773905A (en) * | 2022-04-15 | 2022-07-22 | 华南理工大学 | White UV/thermal dual-curing FPC inkjet character ink and preparation method thereof |
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