CN104830209A - Organic volatile solvent-free environmentally friendly anti-cracking transparent UV spray priming paint - Google Patents

Abstract

An organic volatile solvent-free environmentally friendly anti-cracking transparent UV spray priming paint comprises, by mass, 30-50% of modified epoxy acrylic resin, 10-15% of modified polyurethane acrylate and 15-30% of an active monomer, and appropriate light-curable resin and the active monomer are selected to meet requirements of no cracking under hot and cold cycles in -20-120DEG C environment. The organic volatile solvent-free environmentally friendly anti-cracking transparent UV spray priming paint has the advantages of low use viscosity, good atomization effect, strong dilution ability, good wrapping property, good adherence, good wettability, good rubbing property and environmental protection, can be directly used in electrostatic spraying of devices without dilution by using an organic solvent, is suitable for industrial production, and solves the problem of cracking induced by long time high and low temperature environment in the furniture export sea transportation process.

Description

Not containing the transparent UV spray-applied primer of environment-friendly type crack resistence of organic solvent flashing

Technical field

The present invention relates to IPC International Classification of Patents C09D coating composition coating technology, especially not containing the transparent UV spray-applied primer of environment-friendly type crack resistence of organic solvent flashing.

Background technology

Priming paint is the coating being directly coated on construction body surface, and being the basic materials of workpiece surface, is inter coat or the medium layer between overlay coating and body surface.Priming paint is the first layer of paint system, for improve finish paint sticking power, increase finish paint fullness ratio, alkali-resistivity is provided, anti-corrosion function etc. is provided, the uniform pickup of finish paint can be ensured simultaneously, make paint system play best effect.Photo-cured coating or UV coating mainly refer to a class new coating of rapid crosslinking curing film forming under UV-irradiation, because of its efficient coated solidified and environmental friendliness feature, by world's coating industry and most administrations are approved, widely use at furniture industry.Current most photocuring spray-applied primer all also has a certain amount of volatile organic solvent, not only in construction process curing efficiency low, discharge a large amount of organic solvent pollution environment, human body damaged, also non-refractory, maximum 60-80 DEG C, cause at furniture industry, as in the transportations such as office furniture, suite room furniture, timber, particularly export in sea-freight process and occur paint film cracking phenomenon.

Common vacuum spraying UV priming paint, the organic solvent containing part, resistance value is on the low side, and electrostatic coating effect is poor, and needs certain to treat the dry time, and grinability is poor.Published associated documents are less.

Chinese patent application 201210247988.2 provides a kind of environmental protection photocuring electrostatic spraying priming paint, its mass percentage containing component and each component is as follows: tri (propylene glycol) diacrylate 10 ~ 20%, Viscoat 295 1 ~ 5%, light trigger 5 ~ 8%, epoxy acrylic resin 15 ~ 20%, polyester acrylate resin 20 ~ 25%, polyurethane acrylic resin 5 ~ 8%, flow agent 0.2 ~ 0.5%, anti-settling agent 0.2 ~ 0.5%, opaque 5 ~ 12%, 1, 6-hexanediyl ester 5 ~ 10%, Isooctyl acrylate monomer 5 ~ 8% and deaerating agent 0 ~ 0.2%.

Summary of the invention

The object of this invention is to provide a kind of not containing the transparent UV spray-applied primer of environment-friendly type crack resistence of organic solvent flashing, directly electrostatic spraying can be used in without organic solvent diluting, be applicable to suitability for industrialized production, solve in Furniture Export sea-freight process, the problem ftractureed under long-time high and low temperature environment.

Object of the present invention will be realized by following technical measures: formula is by percentage to the quality:

Material name	Massfraction %
		Modified epoxy acrylate resin	30-50%
Modified urethane acrylate	10-15%
		Reactive monomer	15-30%
Light trigger	3-6%
		Dispersion agent	0-1%
Defoamer	0-1%
		Filler	10-15%
Flow agent	0-1%

Wherein, modified epoxy acrylate resin be 6485, at least one in Eternal6315, Eternal6362-100, Eternal6319, DR-E509, CN2261; Modified urethane acrylate is at least one in Eternal6148j-75, Eternal6130B-80, UV3000B, Eternal6198, DR-U052; Reactive monomer is PO-NPGDA (third oxidation neopentylglycol diacrylate), DPGDA(propylene glycol diacrylate), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA(Viscoat 295), at least one in TMP3POTA (the third oxidation Viscoat 295); Light trigger is 1173(α-hydroxyisopropyl benzophenone), 184(α-hydroxyl ring ethylbenzene ketone), BP(benzophenone), 651(benzoin dimethylether), Irgacure369[2-phenyl benzyl-2-dimethyl amine-1-(4-morpholine benzyl phenyl) butanone], 819[two (2,4,6-trimethylbenzoyl) phenyl phosphine oxide] at least one; Flow agent is at least one in BYK358N, BYK306, TEGO450, EFKA3777, BYK333; Dispersion agent is at least one in BYK164, BYK103, BYK110, EFKA4010, NUOSPERSE9100; Filler is 600 orders, 800 orders, 1250 order talcum powder, TA-2500, at least one in silicon powder; Defoamer is at least one in BYK055, EFKA2022, TEGO920, Defom6500, Defom2700; And, production technique comprises: first modified polyester acrylate ester, modified urethane acrylate, reactive monomer and light trigger are mixed, add moistening flatting agent again, dispersant is equal, again by even for filler high speed dispersion, reach product fineness requirement, with reactive monomer adjusting viscosity.

Advantage of the present invention and effect: use that viscosity is low, atomizing effect good, diluting power is strong, and parcel is good, and adherence is good, and wettability is good, and grinability is good, environmental protection, and directly can be used in electrostatic spraying without organic solvent diluting, to device.Be applicable to suitability for industrialized production, solve in Furniture Export sea-freight process, the problem ftractureed under long-time high and low temperature environment.

Embodiment

The principle of the invention is, by selecting suitable light-cured resin and reactive monomer, reaching can the indehiscent requirement of cold cycling under low temperature-20 DEG C-high temperature of 120 DEG C environment.

In the present invention: formula is by percentage to the quality:

Material name	Massfraction %
		Modified epoxy acrylate resin	30-50%
Modified urethane acrylate	10-15%
		Reactive monomer	15-30%
Light trigger	3-6%
		Dispersion agent	0-1%
Defoamer	0-1%
		Filler	10-15%
Flow agent	0-1%

Wherein, modified epoxy acrylate resin be 6485, at least one in Eternal6315, Eternal6362-100, Eternal6319, DR-E509, CN2261; Modified urethane acrylate is at least one in Eternal6148j-75, Eternal6130B-80, UV3000B, Eternal6198, DR-U052; Reactive monomer is PO-NPGDA (third oxidation neopentylglycol diacrylate), DPGDA(propylene glycol diacrylate), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA(Viscoat 295), at least one in TMP3POTA (the third oxidation Viscoat 295); Light trigger is 1173(α-hydroxyisopropyl benzophenone), 184(α-hydroxyl ring ethylbenzene ketone), BP(benzophenone), 651(benzoin dimethylether), Irgacure369[2-phenyl benzyl-2-dimethyl amine-1-(4-morpholine benzyl phenyl) butanone], 819[two (2,4,6-trimethylbenzoyl) phenyl phosphine oxide] at least one; Flow agent is at least one in BYK358N, BYK306, TEGO450, EFKA3777, BYK333; Dispersion agent is at least one in BYK164, BYK103, BYK110, EFKA4010, NUOSPERSE9100; Filler is 600 orders, 800 orders, 1250 order talcum powder, TA-2500, at least one in silicon powder; Defoamer is at least one in BYK055, EFKA2022, TEGO920, Defom6500, Defom2700.

And, production technique comprises: first modified polyester acrylate ester, modified urethane acrylate, reactive monomer and light trigger are mixed, add moistening flatting agent again, dispersant is equal, again by even for filler high speed dispersion, reach product fineness requirement, with reactive monomer adjusting viscosity.

The present invention is that a solvent-free environment-protection UV sprays crack resistence transparent priming, is mainly used on woodwork, is especially applicable on the product such as office furniture, suite room furniture, timber, wooden facing of the filling of needs height, crack resistence.

Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, its framework form can be flexible and changeable, can subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.

Claims (1)

1. not containing the transparent UV spray-applied primer of environment-friendly type crack resistence of organic solvent flashing, it is characterized in that, formula is by percentage to the quality:

Material name Massfraction % Modified epoxy acrylate resin 30-50% Modified urethane acrylate 10-15% Reactive monomer 15-30% Light trigger 3-6% Dispersion agent 0-1% Defoamer 0-1% Filler 10-15% Flow agent 0-1%

Wherein, modified epoxy acrylate resin be 6485, at least one in Eternal6315, Eternal6362-100, Eternal6319, DR-E509, CN2261; Modified urethane acrylate is at least one in Eternal6148j-75, Eternal6130B-80, UV3000B, Eternal6198, DR-U052; Reactive monomer is PO-NPGDA (third oxidation neopentylglycol diacrylate), DPGDA(propylene glycol diacrylate), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA(Viscoat 295), at least one in TMP3POTA (the third oxidation Viscoat 295); Light trigger is 1173(α-hydroxyisopropyl benzophenone), 184(α-hydroxyl ring ethylbenzene ketone), BP(benzophenone), 651(benzoin dimethylether), Irgacure369[2-phenyl benzyl-2-dimethyl amine-1-(4-morpholine benzyl phenyl) butanone], 819[two (2,4,6-trimethylbenzoyl) phenyl phosphine oxide] at least one; Flow agent is at least one in BYK358N, BYK306, TEGO450, EFKA3777, BYK333; Dispersion agent is at least one in BYK164, BYK103, BYK110, EFKA4010, NUOSPERSE9100; Filler is 600 orders, 800 orders, 1250 order talcum powder, TA-2500, at least one in silicon powder; Defoamer is at least one in BYK055, EFKA2022, TEGO920, Defom6500, Defom2700; And, production technique comprises: first modified polyester acrylate ester, modified urethane acrylate, reactive monomer and light trigger are mixed, add moistening flatting agent again, dispersant is equal, again by even for filler high speed dispersion, reach product fineness requirement, with reactive monomer adjusting viscosity.