CN1493634A

CN1493634A - Thermosetting coating, polyaminoresin coating, its coating method and coating object

Info

Publication number: CN1493634A
Application number: CNA031206859A
Authority: CN
Inventors: 泷川李家
Original assignee: Toshiba Corp
Current assignee: Toshiba Corp
Priority date: 2002-10-28
Filing date: 2003-02-21
Publication date: 2004-05-05
Anticipated expiration: 2023-02-21
Also published as: CN1329464C

Abstract

A metal material 1 to be coated is subjected to chemical treatment or mechanical pretreatment in order to obtain a surface state suitable for coating and then, the thermosetting coating containing 30-45 wt.% alkyd resin, 5-20 wt.% melamine resin and an epoxy resin, silicon dioxide, barium sulfate and calcium carbonate, bentonite and a monocarboxylic amide-based organic material is applied to the metal material 1 to form a thermosetting coating film 2 having 10-250 [mu]m thickness and the coating film 2 is heat-cured at 110-160[deg.]C for 10-60 min to coat the material to be coated.

Description

Thermosetting paint, polyurethane resin coating, its coating process and painting object thereof

Technical field

The present invention relates to thermosetting paint, polyurethane resin coating, its coating process and painting object thereof.

Background technology

The coating process of the metal part of painting object in the past after implementing pre-treatment, is filmed with the priming paint formation with antirust ability of the formations such as epoxy resin, Resins, epoxy and melamine resin that contain rust-stabilising pigment.Film after the formation, under the situation for heat curing-type, be heating and curing more than 120 ℃.After this, as required, use, under the situation for heat curing-type, be heating and curing more than 120 ℃ with the good homologous surfacer of priming paint interpromoting relation in five elements or for making concavo-convex becoming smoothly use the formation of spraying putty to film.Be that the formation of enamel paint finish paint is filmed with the heat curing-type melamine resin that can obtain good appearance again, be heating and curing more than 120 ℃.

Open flat 11-241048 communique as the spy of patent documentation 1 and disclosed following technology.That is, the hardware that constitutes electrical panels such as switchboard or controlling board implemented pre-treatment after, be that priming paint is implemented application with synthetic resins, dry back is with grindings such as sand paper, the height that is used as the nitro-cotton resinous varnish of finish paint again coats with lacquer admittedly or enamel paint carries out application.

In addition, using surfacer to carry out under the situation of application, is that priming paint is implemented application with synthetic resins, dry back with grindings such as sand paper, be that surfacer is implemented application with synthetic resins again, again with grindings such as sand paper, the height that is used as finish paint then coats with lacquer admittedly or enamel paint carries out application after the drying.In the processing of al member, with implementing above-mentioned application operation after the etching primer application again.

In addition, the coating process of the metal of painting object in the past urethane resin partly is after implementing pre-treatment, films with the priming paint formation with antirust ability that epoxy resin that contains rust-stabilising pigment or urethane resin system constitute.Film after the formation, implement Air drying or forced drying, make curing of coating.After this, in order to seek the stabilization of adhesive power, utilize grind sand paper etc. and implement to grind after, use the surfacer (preventing the suction of finish paint) that constitutes by the good urethane resin of interpromoting relation in five elements etc. to form and film.Film after the formation, implement Air drying or forced drying, make curing of coating.After this, in order to seek the stabilization of adhesive power, after utilization grinding sand paper etc. was implemented to grind, the polyurethane resin coating that is used as finish paint again forms filmed.

In addition, not too paying attention under the situation attractive in appearance, after the enforcement pre-treatment, filming with the priming paint formation that epoxy resin that contains rust-stabilising pigment or urethane resin system constitute with antirust ability.Film after the formation, implement Air drying or forced drying, make curing of coating.After this, in order to seek the stabilization of adhesive power, after utilization grinding sand paper etc. was implemented to grind, the polyurethane resin coating that is used as finish paint again forms filmed.

In the application of the metal of painting object part, must prepare respectively with antirust priming paint of attaching most importance to, with finish paint of attaching most importance to attractive in appearance with not only for antirust but also for various coating attractive in appearance.Again according to different situations, application had not only had rust-preventing characteristic but also can keep the surfacer as priming paint attractive in appearance of finish paint.In order to obtain the secular weather resistance of filming, after the application of the application of the application of priming paint, surfacer and finish paint, all must implement thermofixation.

In addition, if implement application more than the 80 μ m with an application, can produce the solvent composition boiling and aperture occurs and cause paint film defect in curing, the possibility that occurs sagging like this will become big.

In addition, to constituting the hardware of electrical panels such as switchboard or controlling board, after the enforcement pre-treatment (chemical treatment or mechanical treatment), the different coating that use priming paint, surfacer, finish paint etc. to have various functions are implemented applications.But drying is necessary in each pre-treatment process, because need normal temperature to place or use drying oven promotion drying.Before next coating process, if filming of being coated with is not cured to certain curing level, then after the formation of filming of coating next time, because air is in following uncured filming and does not finish curing by isolated, like this quality problems will appear.

Above-mentioned quality is relevant with application setup time.In order to ensure quality, the set time that priming paint or surfacer are filmed is abundant, and operation is just not smooth like this.And, after primary coat or surfacer are filmed and formed, before the application of carrying out the bottom,, grind with sand paper (pouncing paper) in order to remove impurity (dust or dust) and to make adhesive power stable.

As mentioned above, because need the hand lapping operation, so the simple shape as the tabular surface can be implemented better grinding, but just there are the inadequate possibility of grinding operation in complicated shape part or the place that has hand to be difficult for entering.

And the application of the metal of painting object part must be prepared with the suction of antirust priming paint of attaching most importance to, inhibition finish paint and made priming paint and surfacer that the adhesive power of finish paint is stable, have the coating of various difference in functionalitys with finish paint of attaching most importance to attractive in appearance etc.

Stable from film performance when formation is filmed, also must be cured and grind.

Therefore, the purpose of this invention is to provide the coating process and the thermosetting paint that can form the thicker painting object of filming that possesses antirust ability and aesthetic property simultaneously.

In addition, the purpose of this invention is to provide that not only the initial stage rerum natura is good, and have normal temperature cured type coating and the coating process and the painting object of good durability.

And, the purpose of this invention is to provide the effect of taking on priming paint, surfacer and finish paint simultaneously, and be purpose with coating process and the polyurethane resin coating that 1 operation steps forms the thicker painting object of filming with a kind of coating.

Summary of the invention

In order to achieve the above object, the invention provides the thermosetting paint that contains Synolac 30～45 weight %, melamine resin 5～20 weight %, Resins, epoxy and rust-stabilising pigment 0.2～1.5 weight %.

And then in order to achieve the above object, the present invention is by containing the rust-stabilising pigment of 0.2～1.5 weight %, and formation possesses filming of antirust ability.

And then in order to achieve the above object, thermosetting paint of the present invention also contains barium sulfate and lime carbonate.

And then in order to achieve the above object, the present invention forms thicker filming by containing barium sulfate and lime carbonate.

And then, in order to achieve the above object, among the present invention, to contain Synolac 30～45 weight %, melamine resin 5～20 weight %, Resins, epoxy, silicon-dioxide, barium sulfate and lime carbonate, wilkinite and monocarboxylic acid acid amides be the application that organic thermosetting paint is finished painting object in application on the hardware of painting object.

And then in order to achieve the above object, the present invention possesses antirust ability by containing silicon-dioxide, is that organism, barium sulfate and lime carbonate form thicker filming by containing wilkinite and monocarboxylic acid acid amides.

And then, in order to achieve the above object, among the present invention, to contain Synolac 35～40 weight %, melamine resin 5～10 weight %, Resins, epoxy 2～5 weight %, silicon-dioxide 0.3～1.0 weight %, talcum powder 7～14 weight %, barium sulfate and lime carbonate 5～10 weight %, wilkinite and monocarboxylic acid acid amides be the application that the thermosetting paint of organism 1～3 weight % is finished painting object in application on the hardware of painting object.

And then in order to achieve the above object, the present invention possesses antirust ability by containing silicon-dioxide, is that organism, barium sulfate and lime carbonate form thicker filming by containing talcum powder, wilkinite and monocarboxylic acid acid amides

In addition, in order to achieve the above object, the invention provides the normal temperature cured type coating that contains nitro-cotton resin 25～35 weight %, Synolac 25～35 weight %, melamine resin 5～12 weight %, acrylic resin 0.3～1.0 weight % and rust-stabilising pigment 0.5～1.5 weight %.

And then, in order to achieve the above object, contain at least a in aluminum phosphate and the zinc phosphate in the above-mentioned rust-stabilising pigment in the normal temperature cured type coating of the present invention.

And then in order to achieve the above object, feature of the present invention is the metal part application normal temperature cured type coating in painting object.

And then in order to achieve the above object, feature of the present invention is in arbitrary step of coating prime lacquer, surfacer or finish paint, at the metal part application normal temperature cured type coating of painting object.

And then in order to achieve the above object, feature of the present invention is to adopt the coating process of normal temperature cured type coating to carry out application.

In addition, in order to achieve the above object, among the present invention, the polyurethane resin coating that application contains host and solidifying agent on the hardware of painting object is finished the application to painting object, contain modified multicomponent alcohol resin 47～57 weight %, vibrin, rust-stabilising pigment 2～6 weight % in the host, contain isocyanate resin in the solidifying agent.

And then in order to achieve the above object, coating of the present invention is by containing the rust-stabilising pigment of 2～6 weight %, rustless property is improved not having influence under the stable prerequisite of color and glossy.

Description of drawings

Fig. 1 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 1.

Fig. 2 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 2.

Fig. 3 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 2.

Fig. 4 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 3.

Fig. 5 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 4.

Fig. 6 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 4.

Fig. 7 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 5.

Fig. 8 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 6.

Fig. 9 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 6.

Figure 10 represents the sectional view of the application system of the switchboard controlling board in the embodiment of the present invention 7.

Figure 11 represents the sectional view of the application system of the metallic substance in the embodiment of the present invention 8.

The explanation of symbol

1 ... metallic substance

2 ... heat curing-type is filmed

3,5 ... the Air drying type is filmed

4 ... improving the binding agent of bounding force films

11 ... the metal mother metal

12 ... film

21 ... metallic substance

22 ... urethane resin is filmed

The best mode that carries out an invention

Embodiments of the present invention below are described.

Embodiment 1

Fig. 1 is the sectional view of the application system of the metallic substance in the expression embodiment of the present invention 1.For pickled plate or the such metallic substance 1 of SPCC (common cold-rolled steel sheet and cold rolled strip) material, in order to form the condition of surface that is fit to application, implement such chemical treatment or the so mechanical pre-treatment of sandblasting of zinc phosphate coating film, formed be fit to carry out the condition of surface of application after, the heat curing-type that forms the thick thermosetting paint (A) of 10～160 μ m films 2, carries out 10～60 minutes be heating and curing at 110～160 ℃.

Thermosetting paint (A) is the thermosetting paint that is formed by Synolac, melamine resin, Resins, epoxy, aluminum phosphate and/or zinc phosphate, barium sulfate and lime carbonate.The composition of thermosetting paint (A) is shown in Table 1.

Table 1 thermosetting paint (A)

Composition	(weight %)
Composition	(weight %)	Alkyd varnish	30～45
Melamine resin paint	5～20	Alkyd varnish	30～45
Melamine resin paint	5～20	Epoxy resin-based paint	2～8
Aluminum phosphate and/or zinc phosphate	0.2～1.5	Epoxy resin-based paint	2～8
Aluminum phosphate and/or zinc phosphate	0.2～1.5	Barium sulfate	4～10
Lime carbonate	2～5	Barium sulfate	4～10
Lime carbonate	2～5	Tinting pigment	19.8
Additive	0.7	Tinting pigment	19.8
Additive	0.7	Solvent	11.8

Thermosetting paint (A) is by adding aluminum phosphate and/or the zinc phosphate as rust-stabilising pigment, not damaging under the prerequisite of attractive in appearance, weather resistance, can improve rustless property.

In addition, thermosetting paint (A) is 4: 1～1: 1 (weight ratio) by the proportioning that makes barium sulfate and lime carbonate, can access the stable quality of filming that makes the above thickness of 50 μ m with an application.Especially 2: 1 o'clock, can access the most stable quality.Moreover, with the organic solvent diluting agent dope viscosity was adjusted to 35～55 seconds, implement not to be prone to sagging after the spraying, can form thicker thickness, painting defect such as aperture do not occur and finish application

In order to have various necessary function, the balance selected and proportioning of basic material is extremely important to thermosetting paint.If the proportion balance of resin, then for the so thin thick like this thickness of thickness to 160 μ m of 10 μ m, even with the thermofixation condition enactment at 110～160 ℃ and 10～60 minutes, also can access stable quality.The proportioning of Synolac and melamine resin particularly importantly, if Synolac content greater than 45 weight %, then has influence on flexible (shock-resistance), if Synolac content is less than 30 weight %, then filming, it is softening to take place, and erosion resistance is brought detrimentally affect.Be 35～40 weight % at Synolac, when melamine resin is 10～16 weight %, can access stable especially quality.

(A) carries out following test to above-mentioned thermosetting paint.

1. initial stage physical property test

(1) hardness: JIS K5400 pencil scratch hardness test

(2) adhesive power: ASTM 3359 (checker or stroke grid+adhesive tape) 50 μ m following (B method), 50～125 μ m (B method), 125 μ m above (A method)

(3) shock-resistance: JIS K5400 impulse withstand test (Du Pont's type) 60 μ m are following, 60～100 μ m, more than the 100 μ m

2. endurance test

The 2-1 salt spray testing: JIS Z2371 implements salt spray testing outward appearance and 2 rerum naturas after 1000 hours

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(2) adhesive power: ASTM3359 (checker or stroke grid+adhesive tape) 50 μ m following (B method), 50～125 μ m (B method), 125 μ m above (A method)

The 2-2 humidity test: outward appearance and 2 rerum naturas after 1000 hours are implemented in JIS K5400 humidity test (50 ℃ dewfall takes place during 98%RH)

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

2-3 sulfurous gas test: 20ppm, 40 ℃, 90%RH, enforcement outward appearance and 2 rerum naturas after 1000 hours

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

2-4 chlorine test: 1ppm, 40 ℃, 90%RH, enforcement outward appearance and 2 rerum naturas after 1000 hours

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

The 2-5 weather resistance test: JIS K5400 promotes weathering resistance (sun shine carbon arc lamp formula) to implement outward appearance and 2 rerum naturas after 500 hours

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

These test-results are shown in Table 2.

Table 2

1. initial stage physical property test result

(1) hardness	??H～2H
(1) hardness	??H～2H	(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A (no deterioration) of the good 4B～5B (99/100～100/100) of 5B (100/100) is good
(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	??50cm ??35～45cm ??30～35cm

2. long duration test result

The 2-1 salt spray testing

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (99/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????30～35cm

The 2-2 humidity test

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (98/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～40cm ????30～35cm

The test of 2-3 sulfurous gas

The test of 2-4 chlorine

(a) outward appearance	No deterioration good (rust does not take place to bubble)
(a) outward appearance	No deterioration good (rust does not take place to bubble)	(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (99/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????30～35cm

The 2-5 weather resistance test

(a) outward appearance	Good (foaming of not getting rusty) the aberration Δ E of no deterioration＜4.0 glossiness conservation rates are more than 30%
(a) outward appearance		(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (99/100～100/100) of 5B (100/100) does not have and peels off, and is good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????30～35cm

As known from Table 2, high-quality the filming that is had good antirust ability and outward appearance with thermosetting paint (A) simultaneously.In addition, owing to have the such surfacer effect of adhesive power, smoothness and thick film function,, can finish the application of priming paint, surfacer and finish paint simultaneously therefore with 1 application.

By these facts as can be known, the water-borne coatings that constitutes with acrylic acid modified alkyd resin, water-soluble melamine resin, Resins, epoxy, tinting pigment, additive and thinner carries out the finish paint application, can access possess good antirust ability and outward appearance simultaneously, weather resistance is good, the filming of stay in grade.

Embodiment 2

Fig. 2 and 3 is sectional views of the application system of the metallic substance in the expression embodiment of the present invention 2.For pickled plate or the such metallic substance 1 of SPCC material, in order to form the condition of surface that is fit to application, implement such chemical treatment or the so mechanical pre-treatment of sandblasting of zinc phosphate coating film, formed be fit to carry out the condition of surface of application after, the heat curing-type that forms the thick thermosetting paint (A) of 10～150 μ m films 2.In order to obtain high non-corrosibility, form heat curing-type and film after 2, carry out application with Air drying type polyurethane resin, coat with lacquer admittedly or Air drying type coating such as acrylic resin paint forms the thick Air drying type of 5～100 μ m and films 3 by height.Perhaps using thermosetting paint (A) to form the thick heat curing-type of 10～150 μ m films after 2, binding agent with the thick raising bounding force of Air drying type coating such as binding agent coating formation 3～150 μ m of レ Application cold coating, raising bounding force films 4, the binding agent that form to improve bounding force is filmed after 4, carry out the application of Air drying type polyurethane resin, coat with lacquer admittedly by height again or Air drying type coating such as acrylic resin paint forms the thick Air drying type of 5～100 μ m and films 5.The composition of the binding agent coating of レ Application cold coating or raising bounding force, high solid lacquer, acrylic resin paint is shown in table 3～table 6.

Table 3 レ Application cold coating

Composition	(weight %)
Composition	(weight %)	Tinting pigment	????24.8
Modified polyalcohol resin paint	????48.0	Tinting pigment	????24.8
Modified polyalcohol resin paint	????48.0	Additive	????0.9
Solvent	????9.6	Additive	????0.9
Solvent	????9.6	The isocyanate resin lacquer	????16.7

Table 4 improves the binding agent coating of bounding force

Composition	(weight %)
Composition	(weight %)	Tinting pigment	????9.84
Body pigment	????21.6	Tinting pigment	????9.84
Body pigment	????21.6	Nitro-cotton resin paint	????29.4
Alkyd varnish	????19.2	Nitro-cotton resin paint	????29.4
Alkyd varnish	????19.2	Additive and softening agent	????6.3
Solvent	????14.1	Additive and softening agent	????6.3

Table 5 height coats with lacquer coating admittedly

Composition	(weight %)
Composition	(weight %)	Tinting pigment	????8.2
Nitro-cotton resin paint	????33.1	Tinting pigment	????8.2
Nitro-cotton resin paint	????33.1	Alkyd varnish	????33.1
Melamine resin paint	????11.0	Alkyd varnish	????33.1
Melamine resin paint	????11.0	Additive	????0.1
Solvent	????14.5	Additive	????0.1

Table 6 improves the binding agent coating of bounding force

Composition	(weight %)
Composition	(weight %)	Tinting pigment	????17.9
Acrylic resin paint	????10.0	Tinting pigment	????17.9
Acrylic resin paint	????10.0	Nitro-cotton resin paint	????28.5
Alkyd varnish	????29.4	Nitro-cotton resin paint	????28.5
Alkyd varnish	????29.4	Melamine resin paint	????5.9
Additive	????8.3	Melamine resin paint	????5.9

About with after thermosetting paint (A) application, implement the application of Air drying type polyurethane resin, coated with lacquer admittedly by height again or acrylic resin paint etc. carried out general application, and (A) carries out identical test with thermosetting paint.These test-results are shown in Table 7.

Table 7

1. initial stage physical property test result

(1) hardness	????H～2H
(1) hardness	????H～2H	(2) following (B method) the 50 μ m of adhesive power 50 μ m～1 25 μ m (B method), 125 μ m above (A method)	The good 5A (no deterioration) of the good 4B～5B (98/100～100/100) of 5B (100/100) is good
(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????30～35cm

2. long duration test result

The 2-1 salt spray testing

(a) outward appearance	No deterioration good (rust does not take place to bubble)
(a) outward appearance	No deterioration good (rust does not take place to bubble)	(1) hardness	???H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 4A of the good 4B～5B (98/100～100/100) of 5B (100/100) is good	(1) hardness	???H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	???45cm ???30～40cm ???20～30cm

The 2-2 humidity test

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 4A of the good 4B (98/100～100/100) of 5B (100/100) is good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????40cm ????30～35cm ????20～25cm

The test of 2-3 sulfurous gas

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 4A of the good 4B～5B (98/100～100/100) of 5B (100/100) is good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????30～35cm

The test of 2-4 chlorine

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	???H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 4A of the good 4B～5B (98/100～100/100) of 5B (100/100) is good	(1) hardness	???H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	???45cm ???30～35cm ???20～25cm

The 2-5 weather resistance test

(a) outward appearance	Good (foaming of not getting rusty) the aberration Δ E of no deterioration＜2.5 glossiness conservation rates are more than 30%
(a) outward appearance		(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 4A of the good 4B～5B (98/100～100/100) of 5B (100/100) is good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????45cm ????30～40cm ????25～30cm

As known from Table 7, thermosetting paint (A) is owing to the effect of wherein Resins, epoxy has good adhesive power.In addition, thermosetting paint (A) has good non-corrosibility, therefore can use as the primer painting of Air drying type polyurethane resin, high solid lacquer and acrylic resin paint.Because can keep paying attention to the performance of finish paint attractive in appearance, thus can access the application surface concavo-convex less, rakish machined surface.

Moreover the application of thermosetting paint (A) both had been applicable to the steel plate or the SPCC material member as metallic substance of the switchboard controlling board of packing into, also was applicable to steel plate, SPCC material, aluminium and the stainless steel of producing vehicle.

Embodiment 3

Fig. 4 is the sectional view of the application system of the metallic substance in the expression embodiment of the present invention 3.Though this figure goes up on the surface and Fig. 1 is similar, constitute content (content) difference of each one, be the accompanying drawing that is different from Fig. 1.For pickled plate or the such metallic substance 1 of SPCC material, in order to form the condition of surface that is fit to application, implement such chemical treatment or the so mechanical pre-treatment of sandblasting of zinc phosphate coating film, formed be fit to carry out the condition of surface of application after, the heat curing-type that forms the thick thermosetting paint (A2) of 10～250 μ m films 2, carries out 10～60 minutes be heating and curing at 110～160 ℃.

Thermosetting paint (A2) is to be the thermosetting paint that organism constitutes by Synolac, melamine resin, Resins, epoxy, silicon-dioxide, barium sulfate and lime carbonate, wilkinite and monocarboxylic acid acid amides.The composition of thermosetting paint (A2) is shown in Table 8.

Table 8 thermosetting paint (A2)

Composition	(weight %)
Composition	(weight %)	Alkyd varnish	????30～45
Melamine resin paint	????5～20	Alkyd varnish	????30～45
Melamine resin paint	????5～20	Epoxy resin-based paint	????2～8
Silicon-dioxide (rust-stabilising pigment)	????0.2～1.5	Epoxy resin-based paint	????2～8
Silicon-dioxide (rust-stabilising pigment)	????0.2～1.5	Barium sulfate (body pigment)	????4～10
Lime carbonate (body pigment)	????2～5	Barium sulfate (body pigment)	????4～10
Lime carbonate (body pigment)	????2～5	Wilkinite (rheology control agent)	????1～2
The monocarboxylic acid acid amides is organism (rheology control agent)	????1～2	Wilkinite (rheology control agent)	????1～2
	????1～2	Tinting pigment	????18.8
Additive	????0.2	Tinting pigment	????18.8
Additive	????0.2	Solvent	(11.8 surplus)

Thermosetting paint (A2) is owing to adding silicon-dioxide, so under the precursor that does not have influence on outward appearance and weather resistance, can improve rustless property.

In addition, thermosetting paint (A2) is 4: 1～1: 1 (weight ratio) by the proportioning that makes barium sulfate and lime carbonate, just can access the stable quality of filming that makes the above thickness of 50 μ m with 1 application., can access the most stable quality at particularly 2: 1 o'clock.

Be that organic proportioning is 2: 1～1: 2 (weight ratio) by making wilkinite and monocarboxylic acid acid amides again, just can access the stable quality of filming that makes the above thickness of 150 μ m with 1 application., can access the most stable quality at particularly 1: 1 o'clock.

Moreover, with the organic solvent diluting agent dope viscosity is adjusted to 35～55 seconds after, implement spraying and just not being prone to sagging, can form thicker thickness, the such painting defect of aperture etc. can not appear yet.

In order to have various necessary function, the balance selected and proportioning of basic material is extremely important to thermosetting paint.If the proportion balance of resin then for the thin so thick like this thickness of thickness to 250 μ m of 10 μ m, even the thermofixation condition enactment is 110～160 ℃ and 10～60 minutes, also can access stable quality.The proportioning particularly important of Synolac and melamine resin, if the content of Synolac surpasses 45 weight %, then can bring detrimentally affect, if the content of Synolac is less than 30 weight % to flexible (shock-resistance), then filming, it is softening to take place, and erosion resistance is brought detrimentally affect.Synolac is 35～40 weight %, when melamine resin is 10～16 weight %, can accesses stable especially quality.

(A2) carries out following test to above-mentioned thermosetting paint.

21. initial stage physical property test result

(1) hardness: JIS K5400 pencil scratch hardness test

(2) adhesive power: ASTM3359 (checker or stroke grid+adhesive tape) 50 μ m following (B method), 50～125m (B method), 125 μ m above (A method)

22. endurance test result

The 2-1 salt spray testing: JIS Z2371 salt spray testing is implemented outward appearance and 2 rerum naturas after 1000 hours

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

2-3 sulfurous gas test: 20ppm, 40 ℃, implement outward appearance and 2 rerum naturas after 1000 hours during 90%RH

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

2-4 chlorine test: 1ppm, 40 ℃, implement outward appearance and 2 rerum naturas after 1000 hours during 90%RH

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

These test-results are shown in Table 9.

Table 9

1. initial stage physical property test result

(1) hardness	????H～2H
(1) hardness	????H～2H	(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A (no deterioration) of the good 4B～5B (99/100～100/100) of 5B (100/100) is good
(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????15～35cm

2. long duration test result

The 2-1 salt spray testing

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (99/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????15～35cm

The 2-2 humidity test

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (98/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～40cm ????10～35cm

The test of 2-3 sulfurous gas

The test of 2-4 chlorine

The 2-5 weather resistance test

(a) outward appearance	Good (foaming of not getting rusty) the aberration Δ E of no deterioration＜4.5 glossiness conservation rates are more than 25%
(a) outward appearance		(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (99/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	????H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????15～35cm

As known from Table 9, can access high-quality the filming that has good antirust ability and outward appearance simultaneously with thermosetting paint (A2).In addition, owing to have such surfacer of adhesive power, smoothness (concavo-convex debugging functions) and thick film function and spraying putty effect,, can finish the application of priming paint, surfacer (the spraying putty of holding concurrently) and finish paint simultaneously therefore with 1 application.And can access that weather resistance is good, the coating of stay in grade.

Embodiment 4

Fig. 5, the 6th, the sectional view of the application system of the metallic substance in the expression embodiment of the present invention 4.For pickled plate or the such metallic substance 1 of SPCC material, in order to form the condition of surface that is fit to application, implement such chemical treatment or the so mechanical pre-treatment of sandblasting of zinc phosphate coating film, formed be fit to carry out the condition of surface of application after, the heat curing-type that forms the thick thermosetting paint (A2) of 10～250 μ m films 2.In order to obtain Corrosion Protection, film after 2 forming heat curing-type, film 3 with the thick Air drying type of resin-coated formation 20～60 μ m of Air drying type polyurethane.Perhaps using thermosetting paint (A2) to form the thick heat curing-type of 10～250 μ m films after 2, the binding agent that forms the thick raising bounding force of 10～30 μ m with the Air drying type coating such as binding agent coating that improve bounding force films 4, film after 4 at the binding agent that form to improve bounding force, film 5 with thick Air drying types of Air drying type coating formation 15～50 μ m such as high solid lacquer of Air drying type or acrylic resin paints.The composition of polyurethane resin coating, the binding agent coating that improves bounding force, high solid lacquer, acrylic resin paint is shown in table 10～13.

Table 10 polyurethane resin coating

Table 11 improves the binding agent coating of bounding force

Composition	(weight %)
Composition	(weight %)	Tinting pigment	????0.4
Body pigment	????21.6	Tinting pigment	????0.4
Body pigment	????21.6	Nitro-cotton resin paint	????29.4
Alkyd varnish	????19.2	Nitro-cotton resin paint	????29.4
Alkyd varnish	????19.2	Additive and softening agent	????6.3
Solvent	????14.1	Additive and softening agent	????6.3

Table 12 height coats with lacquer coating admittedly

Table 13 acrylic resin paint coating

After thermosetting paint (A2) application, implement application with the binding agent that improves bounding force, after this about general applications such as the application of having implemented Air drying type polyurethane resin, high solid lacquer or acrylic resin paints, carry out then and the identical test of thermosetting paint (A2).The results are shown in the table 14 of these tests.

Table 14

1. initial stage physical property test result

(1) hardness	????H～2H
(1) hardness	????H～2H	(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A (no deterioration) of the good 4B～5B (98/100～100/100) of 5B (100/100) is good
(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????15～35cm

2. long duration test result

The 2-1 salt spray testing

The 2-2 humidity test

The test of 2-3 sulfurous gas

The test of 2-4 chlorine

The 2-5 weather resistance test

As known from Table 14, thermosetting paint (A2) is because the effect of Resins, epoxy wherein has good adhesive power.Thermosetting paint (A2) has good Corrosion Protection in addition, therefore can and can revise concavo-convex spraying putty and carry out application as the priming paint of Air drying type polyurethane resin, high solid lacquer and acrylic resin paint, because also have the performance of paying attention to finish paint attractive in appearance, thus can access the application surface concavo-convex less, rakish machined surface.

Moreover the application of thermosetting paint (A2) both had been applicable to the steel plate or the SPCC material member as metallic substance of the switchboard controlling board of having packed into, can be applied to make steel plate, SPCC material, aluminium and the stainless steel of industrial machinery and traffic machinery again.

Embodiment 5

Fig. 7 is the sectional view of the application system of the metallic substance in the expression embodiment of the present invention 5.Though go up on this figure surface and Fig. 1 or Fig. 4 are similar, constitute content (content) difference of each one, be the accompanying drawing that is different from Fig. 1 or Fig. 4.For pickled plate or the such metallic substance 1 of SPCC material, in order to form the condition of surface that is fit to application, implement such chemical treatment or the so mechanical pre-treatment of sandblasting of zinc phosphate coating film, formed be fit to carry out the condition of surface of application after, the heat curing-type that forms the thick thermosetting paint (A3) of 10～500 μ m films 2, carries out being heating and curing in 10～60 minutes at 110～160 ℃.

Thermosetting paint (A3) is to be the thermosetting paint that organism constitutes by Synolac, melamine resin, Resins, epoxy, silicon-dioxide, talcum powder, barium sulfate and lime carbonate, wilkinite and monocarboxylic acid acid amides.The composition of thermosetting paint (A3) is shown in table 15.

Table 15 thermosetting paint (A3)

Composition	(weight %)
Composition	(weight %)	Alkyd varnish	????30～45
Melamine resin paint	????5～10	Alkyd varnish	????30～45
Melamine resin paint	????5～10	Epoxy resin-based paint	????2～5
Silicon-dioxide (rust-stabilising pigment)	????0.3～1.0	Epoxy resin-based paint	????2～5
Silicon-dioxide (rust-stabilising pigment)	????0.3～1.0	Talcum powder (body pigment)	????7～15
Barium sulfate (body pigment)	????4～8	Talcum powder (body pigment)	????7～15
Barium sulfate (body pigment)	????4～8	Lime carbonate (body pigment)	????2～4
Wilkinite (rheology control agent)	????0.5～1.5	Lime carbonate (body pigment)	????2～4
Wilkinite (rheology control agent)	????0.5～1.5	The monocarboxylic acid acid amides is organism (rheology control agent)	????0.5～1.5
Tinting pigment	????13.9		????0.5～1.5
Tinting pigment	????13.9	Additive	????0.1
Solvent (aromatic series, alcohol, oil are mixed solvent)	(13.7 surplus)	Additive	????0.1

Added silicon-dioxide in the thermosetting paint (A3), do not disfeature and the prerequisite of weather resistance under can improve rustless property.

In addition, thermosetting paint (A3) is 4: 1～1: 1 (weight ratio) by the proportioning that makes barium sulfate and lime carbonate, can access the stable quality of filming that makes the above thickness of 50 μ m with 1 application.At 2: 1 o'clock, can access the most stable quality especially.

Be that organic proportioning is 2: 1～1: 2 (weight ratio) by making wilkinite and monocarboxylic acid acid amides again, can access the stable quality of filming that makes the above thickness of 150 μ m with 1 application.At 1: 1 o'clock, can access the most stable quality especially.

By sneaking into talcum powder, can access the stable quality of filming that makes the above thickness of 300 μ m again with 1 application.If consider weather resistance (particularly wet fastness), need its content below 15 weight %.

Moreover, incidental aperture phenomenon when the organic solvent diluting agent can suppress film thicker (particularly more than the 250 μ m), therefore using by aromatic series, alcohol, oil is the organic solvent diluting agent that mixed solvent is formed, dope viscosity was adjusted to 35～65 seconds, when implementing spraying, just be not prone to the sagging phenomenon like this, can form thicker film, and painting defects such as aperture can not occur.

In order to have various necessary function, the balance selected and proportioning of basic material is extremely important to thermosetting paint.If the proportion balance of resin then for the so thin thick like this thickness of thickness to 500 μ m of 10 μ m, even set the thermofixation condition of 110～160 ℃ and 10～60 minutes, also can access stable quality.The proportioning particularly important of Synolac, melamine resin and Resins, epoxy, if the content of Synolac surpasses 45 weight %, then can bring detrimentally affect to flexible (shock-resistance), if the content of Synolac is lower than 30 weight %, then filming, it is softening to take place, and brings detrimentally affect to erosion resistance.Particularly Synolac is 35～40 weight %, when melamine resin is 5～10 weight %, can accesses the most stable quality.

In addition, Resins, epoxy is to improve adhesive power and the necessary resin of rust-preventing characteristic, if but very few, just can not get above-mentioned functions, if it is too much, (special owing to ultraviolet influence at the outdoor sun to weathering resistance, produce aberration or glossiness and reduce, cause powder phenomenon-tion) bring baneful influence.Resins, epoxy is preferably 2～5 weight %, can access the most stable quality.

About above-mentioned thermosetting paint (A3), carry out following test.

31. initial stage physical property test result

(1) hardness: JIS K5400 pencil scratch hardness test

32. endurance test result

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(3) shock-resistance: JIS K5400 impulse withstand test (nation's type) 60 μ m are following, 60～100 μ m, more than the 100 μ m

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

These test-results are shown in Table 16.

Table 16

1. initial stage physical property test result

2. long duration test result

The 2-1 salt spray testing

The 2-2 humidity test

The test of 2-3 sulfurous gas

The test of 2-4 chlorine

The 2-5 atmospheric exposure test

(a) outward appearance	Good (foaming of not getting rusty) the aberration Δ E of no deterioration＜4.5 glossiness conservation rates are more than 25%
(a) outward appearance		(1) hardness	???H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (99/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	???H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	???50cm ???35～45cm ???15～35cm

As known from Table 16, can access with thermosetting paint (A3) and have the high-quality of good antirust ability and outward appearance simultaneously and film.In addition, owing to have such surfacer of adhesive power, smoothness (concavo-convex debugging functions) and thick film function and spraying putty effect,, can finish the application of priming paint, surfacer (the spraying putty of holding concurrently) and finish paint simultaneously therefore with 1 application.And can access that weather resistance is good, the coating of stay in grade.In addition, if implement application, just can obtain not only have stable quality but also have filming of optimum outward appearance with thermosetting paint (A3)-thermofixation-grinding-thermosetting paint (A3)-thermofixation.

Embodiment 6

Fig. 8, the 9th, the sectional view of the application system of the metallic substance in the expression embodiment of the present invention 6.For pickled plate or the such metallic substance 1 of SPCC material, in order to form the condition of surface that is fit to application, implement such chemical treatment or the so mechanical pre-treatment of sandblasting of zinc phosphate coating film, formed be fit to carry out the condition of surface of application after, the heat curing-type that forms the thick thermosetting paint (A3) of 10～500 μ m films 2.In order to obtain high Corrosion Protection, film after 2 forming heat curing-type, film 3 with the thick Air drying type of resin-coated formation 20～60 μ m of Air drying type polyurethane.Perhaps use thermosetting paint (A3) to form the thick heat curing-type of 10～500 μ m and film after 2, film 4 with the binding agent of the thick raising bounding force of Air drying type coating such as binding agent coating formation 10～30 μ m that improve bounding force.Film after 4 at the binding agent that form to improve bounding force, film 5 with thick Air drying types of Air drying type coating formation 15～50 μ m such as high solid lacquer of Air drying type or acrylic resin paints.The composition of polyurethane resin coating, the binding agent coating that improves bounding force, high solid lacquer, acrylic resin paint is shown in table 17～20.

Table 17 polyurethane resin coating

Table 18 improves the binding agent coating of bounding force

Composition	(weight %)
Composition	(weight %)	Tinting pigment	????9.4
Body pigment	????21.6	Tinting pigment	????9.4
Body pigment	????21.6	Nitro-cotton resin paint	????29.4
Alkyd varnish	????19.2	Nitro-cotton resin paint	????29.4
Alkyd varnish	????19.2	Additive and softening agent	????6.3
Solvent	????14.1	Additive and softening agent	????6.3

Table 19 height coats with lacquer coating admittedly

Table 20 acrylic resin paint coating

After thermosetting paint (A3) application, implement application with the binding agent that improves bounding force, after this implemented general applications such as resin-coated, high solid lacquer of Air drying type polyurethane and acrylic resin paint, carry out then and the identical test of thermosetting paint (A3).These test-results are shown in Table 21.

Table 21

1. initial stage physical property test result

2. long duration test result

The 2-1 salt spray testing

The 2-2 humidity test

The test of 2-3 sulfurous gas

The test of 2-4 chlorine

The 2-5 weather resistance test

As known from Table 21, thermosetting paint (A3) is because the effect of Resins, epoxy wherein has good adhesive power.In addition, thermosetting paint (A3) is because have good Corrosion Protection, so be applicable to as the priming paint of Air drying type polyurethane resin, high solid lacquer and acrylic resin paint and can revise concavo-convex spraying putty and carry out application.Owing to have the performance of paying attention to finish paint attractive in appearance simultaneously, therefore can access the application surface concavo-convex less, beautiful machined surface attractive in appearance.

Moreover thermosetting paint (A3) can either be applicable to the steel plate or the SPCC material member as metallic substance of the switchboard controlling board of packing into, also can be applied to make steel plate, SPCC material, aluminium and the stainless steel of industrial machinery and traffic machinery.

Embodiment 7

Normal temperature cured type coating in the embodiment of the present invention 7 is made of nitro-cotton resin 25～35 weight %, Synolac 25～35 weight %, melamine resin 5～12 weight %, acrylic resin 0.3～1.0 weight %, rust-stabilising pigment (aluminum phosphate and/or zinc phosphate) 0.5～1.5 weight %, tinting pigment 7.5 weight %, matting agent 1.1 weight %, additive 0.1 weight % and solvent 19.2 weight %.

At first, pickled plate or the SPCC material as hardware that constitutes the switchboard controlling board carried out pre-treatment (as the degreasing～zinc phosphate coating film of chemical pre-treatment, as the sandblasting of mechanical treatment), form suitable application condition of surface.In addition, aluminium carried out degreasing after, for the stabilization of seeking adhesive power (firm bonding), the etching primer of application 3～10 μ m (metallic surface wash primer) in order to obtain.

Then, as shown in figure 10, film 2 above-mentioned through what form 10～120 μ m (being preferably 40～100 μ m) on the metal mother metal 1 of pre-treatment with the normal temperature cured type coating in the embodiment of the present invention.

Normal temperature cured type coating in the embodiment of the present invention also can form separately as any of priming paint, surfacer, finish paint that general height coats with lacquer application system admittedly and film.

By carrying out pre-treatment (as the degreasing～zinc phosphate coating film of chemical pre-treatment with as the sandblasting of mechanical treatment) as the pickled plate of hardware or SPCC material, form suitable application condition of surface to what constitute the switchboard controlling board.In addition, aluminium and the general steel plate of handling carried out skimming treatment after, for the stabilization of seeking adhesive power (firm bonding), the etching primer of application 3～10 μ m (metallic surface wash primer) in order to obtain.

Normal temperature cured type coating in the embodiment of the present invention 7 can access firm adhesive power and good drying property by nitro-cotton resin, Synolac, the combination of melamine resin and above-mentioned conditions of mixture ratios.In addition, said ratio makes coating have non-corrosibility, but in order to obtain better priming paint function (antirust ability), the interpolation of rust-stabilising pigment also is necessary.The rust-stabilising pigment that is suitable for is an aluminum phosphate, and it has good antirust ability.But, if add aluminum phosphate, can be influential a little to the outward appearance (color and glossiness) of finish paint, become the factor (also comprising storage stability) of instability (fluctuation).

Such labile factor is no problem on common level, but coated articles such as switchboard controlling board are when becoming the switchboard of actual use, identifies slightly different outward appearance by visual.For example, about color, make aberration Δ E that the assay method of utilizing JIS K5400 measures in 0.3, about glossiness, the measured value of 60 ° of mirror surface lusters that makes JIS K5400 may be to the very strict management of situation that requires above-mentioned numerical range in 5) bring influence.

For the stabilization that makes this outward appearance becomes reliably, can add acrylic resin.If the interpolation of acrylic resin is very few, just can not obtain the stabilization of outward appearance, if too much, will influence necessary secure adhesion power, can produce ill effect to weather resistance.

The proportioning of the resin of formation normal temperature cured type coating and rust-stabilising pigment is extremely important in the embodiments of the present invention 7, if too much or very few, brings detrimentally affect all can for drying property, rerum natura, outward appearance, weather resistance.

Therefore in addition, the normal temperature cured type coating in the embodiment of the present invention 7 has the function of priming paint, surfacer (binding agent function), finish paint, also can be used alone as in priming paint that general height coats with lacquer application system admittedly, surfacer, the finish paint any.

Form the thick metal mother metal of filming of 40～100 μ m with the normal temperature cured type coating in the embodiment of the present invention 7 and had performance shown below.

41. initial stage physical property test result (after the application, after normal temperature placed for 1 week)

(1) hardness ... JIS K5400 pencil scratch hardness test ... F～H

(2) adhesive power ... ASTM3359 B method 50 μ m＞... 5B (100/100) is good

(checker+tape test) 50～100 μ m ... 5B (100/100) is good

(3) shock-resistance ... JIS K5400 impulse withstand test (Du Pont's type)

50μm＞…50cm

50～100μm…35～45cm

42. long duration test result

The 2-1 salt spray testing ... JIS Z 2371 salt spray testings are implemented outward appearance and 2 rerum naturas after 1000 hours

A. outward appearance ... no deterioration, good (do not bubble and get rusty)

(1) hardness ... F～H

(2) adhesive power ... 50 μ m＞... 5B (100/100) is good

50～100 μ m ... 4B～5B (99/100～100/100) is good

(3) shock-resistance ... 50 μ m＞... 45～50cm

50～100μm…30～45cm

The 2-2 humidity test ... outward appearance and 2 rerum naturas after 1000 hours are implemented in JIS K5400 humidity test (50 ℃, take place during 98%RH dewfall)

A. outward appearance ... no deterioration, good (do not bubble and get rusty)

(1) hardness ... F～H

(2) adhesive power ... 50 μ m＞... 5B (100/100) is good

50～100 μ m ... 4B～5B (98/100～100/100) is good

(3) shock-resistance ... 50 μ m＞... 40～45cm

50～100μm…30～40cm

The 2-3 weather resistance test ... JIS K5400 promotes weathering resistance (sun shine carbon arc lamp formula) to implement outward appearance and 2 rerum naturas after 500 hours

A. outward appearance ... no deterioration, good (do not bubble and get rusty)

Aberration Δ E＜3.8

Glossiness conservation rate 80%＜

50～100μm…30～45cm

(1) hardness ... F～H

(2) adhesive power ... 50 μ m＞... 5B (100/100) is good

50～100 μ m ... 5B (100/100) is good

(3) shock-resistance ... 50 μ m＞... 45～50cm

50～100μm…30～45cm

From test-results as can be known, has the better film performance of initial stage rerum natura (endurance quality).

To constitute electrical panel such as switchboard controlling board implement pre-treatment (as the degreasing～zinc phosphate coating film of chemical pre-treatment with as the sandblasting of mechanical treatment) as the pickled plate of hardware or SPCC material after, aluminium or the general steel plate of handling are carried out degreasing, then in order to seek the stabilization of adhesive power, carry out the application of etching primer, then

1. by implementing application with the normal temperature cured type coating in the embodiment of the present invention, because coating of the present invention has priming paint, surfacer, finish paint function, therefore as long as use a kind of coating, only through 1 painting operation, and do not need grinding operation, drying is also only carried out (fast-drying type of the enamel paint level of high solid lacquer) 1 time.

2. with filming that the normal temperature cured type coating in the embodiment of the present invention 7 forms, not only the in the initial stage of that rerum natura is good, also has good endurance quality, can guarantee secular quality.

3. in addition, the normal temperature cured type coating in the embodiment of the present invention 7 can be used as general height and coats with lacquer any use in the priming paint, surfacer, finish paint of application system admittedly, also can use on product in the middle of original application.

Moreover the normal temperature cured type coating of embodiment of the present invention 7 can be implemented the application identical with above-mentioned embodiment for the Vehicular metal member.

Embodiment 8

Figure 11 is the sectional view of the application system of the metallic substance in the expression embodiment of the present invention 8.For pickled plate or the such metallic substance material 1 of SPCC material, in order to form the condition of surface that is fit to application, implement such chemical treatment or the so mechanical pre-treatment of sandblasting of zinc phosphate coating film, formed be fit to carry out the condition of surface of application after, form thick the filming of 10～150 μ m by 2 liquid mixed type polyurethane resin coatings (A5).The composition of 2 liquid mixed type polyurethane resin coatings (A5) is shown in Table 22.

Table 22 2 liquid mixed type polyurethane resin coatings (A5)

	Composition	(weight %)
	Composition	(weight %)	Host	Modified polyalcohol resin paint	47～57
Polyester coating	4～8			Modified polyalcohol resin paint	47～57
Polyester coating	4～8	Zinc phosphate		1.6～4.8
Aluminum phosphate	0.4～1.2	Zinc phosphate		1.6～4.8
Aluminum phosphate	0.4～1.2	Tinting pigment		27.1
Additive	1.1	Tinting pigment		27.1
Additive	1.1	Solvent		(surplus)
Solidifying agent	The isocyanate resin lacquer	Solvent		(surplus)

Host: solidifying agent=5: 1～7: 1 (weight ratio)

In the 2 liquid mixed type polyurethane resin coatings (A5) owing to used by at least a rust-stabilising pigment that constitutes 2～6 weight % in zinc phosphate and the aluminum phosphate, the color and the glossy that therefore can not have influence on the urethane resin requirement are stable, and can improve rustless property.The proportioning that particularly makes the total amount of zinc phosphate and aluminum phosphate reach 3～5 weight %, zinc phosphate and aluminum phosphate reaches 4: 1 when (weight ratio), can improve rustless property under the prerequisite that does not influence outward appearance and weather resistance.

In addition, by adding polyester coating, under the prerequisite that does not influence the urethane resin performance, the zinc phosphate and the aluminum phosphate that constitute rust-stabilising pigment can mix equably.Polyester coating is that 4～8 weight % are suitable as the addition of host composition.

In addition, particularly the proportioning of host and solidifying agent reaches 5: 1～when 7: 1 (weight ratio), can improve rustless property under the prerequisite that does not have influence on outward appearance and weather resistance.

About above-mentioned 2 liquid mixed type polyurethane resin coatings (A5), carry out following test.

51. initial stage physical property test result

(1) hardness: JIS K5400 pencil scratch hardness test

52. endurance test result

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

(a) outward appearance

(1) hardness: JIS K5400 pencil scratch hardness test

These test-results are shown in Table 23.

Table 23

1. initial stage physical property test result

(1) hardness	????H～2H
(1) hardness	????H～2H	(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method)	Good 4B～the 5B (99/100～100/100) of 5B (100/100) is good
(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????15～35cm		Good 4B～the 5B (99/100～100/100) of 5B (100/100) is good

2. long duration test result

The 2-1 salt spray testing

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	???H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (99/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	???H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	???50cm ???35～45cm ???15～35cm

The 2-2 humidity test

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	???H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method), 125 μ m above (A method)	The good 5A of the good 4B～5B (98/100～100/100) of 5B (100/100) do not have peel off good	(1) hardness	???H～2H
		(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	???50cm ???35～40cm ???10～35cm

The test of 2-3 sulfurous gas

(a) outward appearance	No deterioration good (foaming of not getting rusty)
(a) outward appearance	No deterioration good (foaming of not getting rusty)	(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method)	Good 4B～the 5B (99/100～100/100) of 5B (100/100) is good	(1) hardness	????H～2H
	Good 4B～the 5B (99/100～100/100) of 5B (100/100) is good	(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????15～35cm

The test of 2-4 chlorine

The 2-5 weather resistance test

(a) outward appearance	Good (foaming of not getting rusty) the aberration Δ E of no deterioration＜0.7 glossiness conservation rate is more than 80%
(a) outward appearance		(1) hardness	????H～2H
(2) following (B method) the 50 μ m of adhesive power 50 μ m～125 μ m (B method)	Good 4B～the 5B (99/100～100/100) of 5B (100/100) is good	(1) hardness	????H～2H
	Good 4B～the 5B (99/100～100/100) of 5B (100/100) is good	(3) more than following 60～100 μ m, the 100 μ m of shock-resistance 60 μ m	????50cm ????35～45cm ????15～35cm

As known from Table 23, with 2 liquid mixed type polyurethane resin coatings (A5), under the prerequisite that does not influence outward appearance and endurance quality (color when comprising outdoor placement and glossy stable), can access filming that rustless property increases.

In addition, because this coating has adhesive power, smoothness (concavo-convex debugging functions), the such surfacer function of thick film function,, can finish the priming paint surfacer application of finish paint of holding concurrently of holding concurrently therefore with 1 application.

Moreover, 2 liquid mixed type polyurethane resin coatings (A5) can either be applicable to the steel plate or the SPCC material member as metallic substance of the switchboard controlling board of having packed into, can be applicable to steel plate, SPCC material, aluminium and the stainless steel of making industrial machinery and traffic machinery again.

The thermosetting paint that is used for application among the present invention can form and have the thicker of antirust ability and good appearance concurrently and film, and therefore can cut down number and activity duration and improve operation in man-hour.

Therefore in addition, the normal temperature cured type coating that is used for application among the present invention not only has good initial stage rerum natura and has good weather resistance, can form filming of appearance stablity, can cut down number and activity duration and improve operation in man-hour.

The polyurethane resin coating that is used for application among the present invention can form and have the thicker of antirust ability and good appearance concurrently and film, and therefore can cut down number and activity duration and improve operation in man-hour.

The explanation of symbol

1 ... metal material

2 ... the heat curing-type paint film

3,5 ... the dried at normal temperature paint film

4 ... improve the binding agent paint film that adheres to

11 ... the metal mother metal

12 ... paint film

21 ... metal material

22 ... the polyurethane resin paint film

Claims

1. thermosetting paint is characterized in that, contains Synolac 30～45 weight %, melamine resin 5～20 weight %, Resins, epoxy and rust-stabilising pigment 0.2～1.5 weight %.

2. thermosetting paint as claimed in claim 1, its feature also be, above-mentioned rust-stabilising pigment contains at least a in aluminum phosphate and the zinc phosphate.

3. thermosetting paint as claimed in claim 1 or 2, its feature also are, contain barium sulfate and lime carbonate.

4. thermosetting paint as claimed in claim 3, its feature are that also the proportioning of above-mentioned barium sulfate and above-mentioned lime carbonate is 4: 1～1: 1.

5. thermosetting paint, it is characterized in that, contain Synolac 35～40 weight %, melamine resin 10～16 weight %, Resins, epoxy, aluminum phosphate or zinc phosphate 0.2～1.5 weight %, barium sulfate and lime carbonate, the proportioning of above-mentioned barium sulfate and above-mentioned lime carbonate is 2: 1.

6. coating process is characterized in that, at metal part application the claim 1 or 5 described thermosetting paints of painting object.

7. painting object is characterized in that, described painting object be on hardware application the article of claim 1 or 5 described thermosetting paints.

8. thermosetting paint is characterized in that, containing Synolac 30～45 weight %, melamine resin 5～20 weight %, Resins, epoxy, silicon-dioxide, barium sulfate and lime carbonate, wilkinite and monocarboxylic acid acid amides is organism.

9. thermosetting paint, it is characterized in that containing Synolac 35～40 weight %, melamine resin 10～16 weight %, Resins, epoxy 2～8 weight %, silicon-dioxide 0.5～1.5 weight %, barium sulfate and lime carbonate 6～15 weight %, wilkinite and monocarboxylic acid acid amides is organism 2～4 weight %.

10. thermosetting paint as claimed in claim 8 or 9, its feature is that also the proportioning of above-mentioned barium sulfate and above-mentioned lime carbonate is 4: 1～1: 1.

11. thermosetting paint as claimed in claim 8 or 9, its feature is that also the proportioning of above-mentioned barium sulfate and above-mentioned lime carbonate is 2: 1.

12. thermosetting paint as claimed in claim 8 or 9, its feature is that also above-mentioned wilkinite and above-mentioned monocarboxylic acid acid amides are that organic proportioning is 2: 1～1: 2.

13. thermosetting paint as claimed in claim 8 or 9, its feature is that also above-mentioned wilkinite and above-mentioned monocarboxylic acid acid amides are that organic proportioning is 1: 1.

14. the coating process of claim 8 or 9 described thermosetting paints is characterized in that, application thermosetting paint on the hardware of painting object.

15. the painting object of claim 8 or 9 described thermosetting paints is characterized in that, described painting object be on hardware application the article of thermosetting paint.

16. thermosetting paint, it is characterized in that containing Synolac 35～40 weight %, melamine resin 5～10 weight %, Resins, epoxy 2～5 weight %, silicon-dioxide 0.3～1.0 weight %, talcum powder 7～14 weight %, barium sulfate and lime carbonate 5～10 weight %, wilkinite and monocarboxylic acid acid amides is organism 1～3 weight %.

17. thermosetting paint, it is characterized in that containing Synolac 30～45 weight %, melamine resin 5～10 weight %, Resins, epoxy 2～5 weight %, silicon-dioxide, talcum powder, barium sulfate and lime carbonate, wilkinite and monocarboxylic acid acid amides and be organism, aromatic series, pure and mild oil is mixed solvent.

18. as claim 16 or 17 described thermosetting paints, its feature is that also the proportioning of above-mentioned barium sulfate and above-mentioned lime carbonate is 4: 1～1: 1.

19. as claim 16 or 17 described thermosetting paints, its feature is that also the proportioning of above-mentioned barium sulfate and above-mentioned lime carbonate is 2: 1.

20. as claim 16 or 17 described thermosetting paints, its feature is that also above-mentioned sulphur wilkinite and above-mentioned monocarboxylic acid acid amides are that organic proportioning is 2: 1～1: 2.

21. as claim 16 or 17 described thermosetting paints, its feature is that also above-mentioned wilkinite and above-mentioned monocarboxylic acid acid amides are that organic proportioning is 1: 1.

22. the coating process of claim 16 or 17 described thermosetting paints is characterized in that, application thermosetting paint on the hardware of painting object.

23. the painting object of claim 16 or 17 described thermosetting paints is characterized in that, described painting object be on hardware application the article of thermosetting paint.

24. normal temperature cured type coating is characterized in that, contains nitro-cotton resin 25～35 weight %, Synolac 25～35 weight %, melamine resin 5～12 weight %, acrylic resin 0.3～1.0 weight % and rust-stabilising pigment 0.5～1.5 weight %.

25. normal temperature cured type coating as claimed in claim 24, its feature also is, above-mentioned rust-stabilising pigment contains at least a in aluminum phosphate and the zinc phosphate.

26. the coating process of claim 24 or 25 described normal temperature cured type coating is characterized in that, at the metal part application normal temperature cured type coating of painting object.

27. the coating process of claim 24 or 25 described normal temperature cured type coating is characterized in that, in arbitrary step of coating prime lacquer, surfacer or finish paint, at the metal part application normal temperature cured type coating of painting object.

28. the painting object of claim 24 or 25 described normal temperature cured type coating is characterized in that, described painting object be in the metal part application of painting object the article of normal temperature cured type coating.

29. the painting object of claim 24 or 25 described normal temperature cured type coating is characterized in that, described painting object adopts the coating process of normal temperature cured type coating to carry out application.

30. polyurethane resin coating is characterized in that, contains host and solidifying agent, contains modified multicomponent alcohol resin 47～57 weight %, vibrin and rust-stabilising pigment 2～6 weight % in the host, contains isocyanate resin in the solidifying agent.

31. polyurethane resin coating as claimed in claim 30, its feature also be, above-mentioned rust-stabilising pigment contains at least a in zinc phosphate and the aluminum phosphate.

32. polyurethane resin coating as claimed in claim 31, its feature are that also the content of above-mentioned zinc phosphate and above-mentioned aluminum phosphate is 3～5 weight %, the proportioning of above-mentioned zinc phosphate and above-mentioned aluminum phosphate is 4: 1.

33. as claim 30 or 31 described polyurethane resin coatings, its feature is that also the content of above-mentioned vibrin is 4～8 weight %.

34. as claim 30 or 31 described polyurethane resin coatings, its feature is that also the weight ratio of above-mentioned host and above-mentioned solidifying agent is 5: 1～7: 1.

35. polyurethane resin coating, it is characterized in that, contain host and solidifying agent, contain modified multicomponent alcohol resin 47～57 weight %, vibrin 4～8 weight %, zinc phosphate 1.6～4.8 weight %, aluminum phosphate 0.4～1.2 weight %, tinting pigment, additive and solvent in the host, contain isocyanate resin in the solidifying agent, the content of above-mentioned zinc phosphate and above-mentioned aluminum phosphate is 3～5 weight %, the proportioning of above-mentioned zinc phosphate and above-mentioned aluminum phosphate is 4: 1, and the proportioning of above-mentioned host and above-mentioned solidifying agent is 5: 1～7: 1.

36. the coating process of claim 30 or 35 described polyurethane resin coatings is characterized in that, at the metal part application polyurethane resin coating of painting object.

37. the painting object of claim 30 or 35 described polyurethane resin coatings is characterized in that, described painting object be on hardware application the article of polyurethane resin coating.