CN109852148A - LED-UV photocuring glaze wiping stain - Google Patents

Abstract

A kind of LED-UV photocuring glaze wiping stain, raw material and component are as follows: LED-UV dedicated modified acrylate 20-30%, activated monomer 15-30%, LED-UV dedicated photoinitiator 4-5%, dispersing agent 1-3%, defoaming agent 0-1%, filler 30-35, moistening flatting agent 0-1%；The dedicated modified epoxy acrylate of LED-UV, activated monomer and photoinitiator are added in painting cylinder, dispersing agent, defoaming agent, levelling agent are gradually added under 800~1000rpm revolving speed, it is uniform to be stirring evenly and then adding into filler high speed dispersion.Pass through the suitable light-cured resin of optimum choice and photoinitiator, and other material auxiliary agents is reasonably combined, good compatibility and inter-layer bonding force are all shown with a variety of aqueous priming paints and finishing coat, product priming paint inclusiveness and material tolerance are excellent, and erasing property and fillibility are fine.

Description

LED-UV photocuring glaze wiping stain

Technical field

The present invention relates to IPC classification C09D paint composition production and production application, especially LED-UV photocuring lattice This beautiful wiping stain.

Background technique

UV paint is ultraviolet photo-curing paint, also referred to as light-initiated coating, photocureable coating.It is by the automatic roller of machinery equipment It applies, in showering to furniture plate surface, promotes decomposition of initiator under the irradiation of ultraviolet light, generate free radicals, cause resin reaction, wink Between film-forming, be current most environmentally friendly paint.As possessed by it efficiently, environmental protection, good mechanical property is in furniture row for UV paint Extensive popularization has been obtained in industry.

Most of UV paint coating uses light source for mercury lamp for middle at present, and mercury lamp equipment volume is big, and the starting time is slow, Excitation spectrum wide waveband, and play solidification mainly an interim Duan Bochang, all band be it is useless, be absorbed by the product And be converted into thermal energy, and ozone is also easy to produce in operational process, energy consumption is big and service life is short, about 1000h, most it is worth noting that Mercurous, discarded post-processing is improper, and to environmental and human health impacts, all there is some potential safety problemss.And LED-UV light source equipment is small Ingeniously, it consumes energy low, plug and play, wave band is single, consumes energy low, and basic ozone free generates, and long service life, up to 20000h.Cause This LED-UV photocureable coating product also comes into being, and type is gradually improved.It wherein just include LED-UV glaze wiping stain.

In the prior art, it is related to the patent Shen of the technical solution of LED-UV photocureable coating or glaze wiping stain class product It is please openly less.

Chinese patent application 201110079237.X be related to a kind of glaze wiping stain for coating aqueous carpentry and its Preparation method, wiping stain include color development component and fixation component.Color development component contains a kind of pigment carrying and cohesive action Amphiphilic polymers resin makes pigment sprawl and permeate in wood surface well；Fixation component contains acrylate polymer, With excellent colour retention and weatherability.By adjusting color development component and fixation component proportion, it is applied to a variety of wood furniture systems In the aqueous coloring of product and American antique coating technology.

Chinese patent application 201510273203.2 is related to being suitable for the solidification of marine ship corrosion-resistant LED-UV cold light quickly Repair coating and its preparation method, it is characterised in that including following each component: LED-UV resin 25-55%, LED-UV monomer 10- 25%, LED-UV photoinitiator 10-14%, LED-UV polymerization inhibitor 0.05-0.1%, LED-UV defoaming agent 0.3-0.8%, LED- UV substrate wetting agents 0.05-0.2%, LED-UV levelling agent 0.6-1%, LED-UV dispersing agent 0.1-0.5%, filler 1.5- 7.5%, macromolecule organic wax powder 0.2-0.6%, LED-UV organosilicon/inorganic nano-hybrid material 5-50%.

It for LED-UV glaze wiping stain common at this stage, still has several drawbacks, limits its application, wrap Include: material tolerance is inadequate, and adhesive force is inadequate on certain substrates such as pine；Priming paint tolerance is inadequate, other kinds of priming paint Adhesive force is inadequate on LED-UV glaze wiping stain；Erasing property is bad；Fillibility is poor.

Summary of the invention

The object of the present invention is to provide a kind of LED-UV photocuring glaze wiping stain, the wiping stain material tolerance and bottom Enamel-cover capacitive is excellent, and erasing property and fillibility are excellent.

The purpose of the present invention will be realized by following technical measures: raw material and group are divided into

Material name	Mass fraction %
		The dedicated modified acrylate of LED-UV	20-30%
Activated monomer	15-30%
		The dedicated photoinitiator of LED-UV	4-5%
Dispersing agent	1-3%
		Defoaming agent	0-1%
Filler	30-35%
		Moistening flatting agent	0-1%

Preparation process: the dedicated modified epoxy acrylate of LED-UV, activated monomer and photoinitiator are added to painting cylinder In, it is gradually added dispersing agent, defoaming agent, levelling agent under 800~1000rpm revolving speed, is stirring evenly and then adding into filler high speed point It dissipates uniform.

Raw materials include:

The dedicated modified acrylate of LED-UV is the dedicated modified acrylate of one or more LED-UV, improves paint film attachment Power has certain flexibility.

Activated monomer is PO-NPGDA (the third oxidation neopentylglycol diacrylate), DPGDA (dipropylene glycol diacrylate Ester), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA (trimethylolpropane tris Acrylate), one of TMP3POTA (third oxidation trimethylolpropane trimethacrylate) or two kinds or more of combination.

The dedicated photoinitiator of LED-UV is the dedicated photoinitiator combination of one or two or more kinds LED-UV.

Dispersing agent is that the low molecular weight unsaturation polybasic carboxylic acid that BYK (Bi Ke) company or EFKA (Efka) company provide is poly- Close at least one of object or the polymer containing acidic-group or combination.

Defoaming agent is modified polyorganosiloxane, the poly- methyl alkyl that BYK (Bi Ke) company or EFKA (Efka) company provide The combination of one of siloxanes or modified polypropene acid polymer or two kinds or more.

Filler is one of 600 mesh, 800 mesh, 1250 mesh talcum powder or two kinds or more of combination.

Levelling agent is the polyacrylate or fluorine richness polyacrylic acid that BYK (Bi Ke) company or TEGO (Digao) company provide One of ester or combination.

Advantages of the present invention and effect: pass through the suitable light-cured resin of optimum choice and photoinitiator and other raw materials Auxiliary agent it is reasonably combined, all show good compatibility and inter-layer bonding force, product priming paint with a variety of aqueous priming paints and finishing coat Inclusiveness and material tolerance are excellent, and erasing property and fillibility are fine.Safety and environmental protection has no irritating odor, uniform coloring, fixation Excellent, hardness is high, curing rate is fast.

Specific embodiment

Embodiment 1:

Material name	Mass fraction %
		The dedicated modified acrylate of LED-UV	28%
Activated monomer	30%
		The dedicated photoinitiator of LED-UV	4%
Dispersing agent	1%
		Defoaming agent	1%
Filler	35%
		Moistening flatting agent	1%

Embodiment 2:

Material name	Mass fraction %
		The dedicated modified acrylate of LED-UV	30%
Activated monomer	28%
		The dedicated photoinitiator of LED-UV	5%
Dispersing agent	2%
		Defoaming agent	1%
Filler	33%
		Moistening flatting agent	1%

Compare the embodiment of the present invention 1 and 2:

LED-UV photocuring glaze wiping stain is tested for the property:

Wherein, adhesive force test-ASTM D3359 (American National Standard): with 2mm Checker marking knife 72 hours after the completion of coating Coating surface draws 25 lattice, with 3M adhesive tape test；Grade: 5B is best, and 0B is worst；5B-film is intact: the film of 4B < 5% is damaged；3B It is damaged for 5~15% films；2B is that 5~35% films are damaged；1B is that 35%~55% film is damaged；The film of 0B > 55% is damaged.

From above-mentioned contrast test result as it can be seen that the LED-UV photocuring glaze wiping stain produced of the present invention have it is excellent Different material tolerance, priming paint inclusiveness, well erasing property, fillibility.

Explanation disclosed in above-described embodiment is professional and technical personnel in the field it will be appreciated that the present invention, therefore, of the invention It will not be defined to the embodiments shown herein, and be to fit to consistent with principles of this disclosure most wide Range.

Claims (4)

1. a kind of LED-UV photocuring glaze wiping stain, which is characterized in that raw material and component are as follows:

Material name Mass fraction % The dedicated modified acrylate of LED-UV 20-30% Activated monomer 15-30% The dedicated photoinitiator of LED-UV 4-5% Dispersing agent 1-3% Defoaming agent 0-1% Filler 30-35% Moistening flatting agent 0-1%

Preparation process: the dedicated modified epoxy acrylate of LED-UV, activated monomer and photoinitiator are added in painting cylinder, It is gradually added dispersing agent, defoaming agent, levelling agent under 800~1000rpm revolving speed, it is equal to be stirring evenly and then adding into filler high speed dispersion It is even.

2. a kind of LED-UV photocuring glaze wiping stain as described in claim 1, which is characterized in that raw materials packet Include: activated monomer is PO-NPGDA (third oxidation neopentylglycol diacrylate), DPGDA (dipropylene glycol diacrylate), TPGDA (tripropylene glycol diacrylate), HDDA (1,6 hexanediol diacrylate), TMPTA (trimethylolpropane tris propylene Acid esters), one of TMP3POTA (third oxidation trimethylolpropane trimethacrylate) or two kinds or more of combination；

The dedicated photoinitiator of LED-UV is the dedicated photoinitiator combination of one or two or more kinds LED-UV；

Dispersing agent be one of low molecular weight unsaturation polycarboxylic acid polymers or the polymer containing acidic-group or two kinds with On combination；

Defoaming agent be one of modified polyorganosiloxane, poly- methyl alkyl siloxane or modified polypropene acid polymer or two kinds with On combination.

Filler is one of 600 mesh, 800 mesh, 1250 mesh talcum powder or two kinds or more of combination；

Levelling agent is the combination of one of polyacrylate or fluorine richness polyacrylate or two kinds or more.

3. a kind of LED-UV photocuring glaze wiping stain as described in claim 1, which is characterized in that raw material and component Are as follows:

。

4. a kind of LED-UV photocuring glaze wiping stain as described in claim 1, which is characterized in that raw material and component Are as follows:

Material name Mass fraction % The dedicated modified acrylate of LED-UV 30% Activated monomer 28% The dedicated photoinitiator of LED-UV 5% Dispersing agent 2% Defoaming agent 1% Filler 33% Moistening flatting agent 1%

。