CN109772663A - A kind of spraying process of protective door POZD antiknock coating - Google Patents
A kind of spraying process of protective door POZD antiknock coating Download PDFInfo
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- CN109772663A CN109772663A CN201910129840.0A CN201910129840A CN109772663A CN 109772663 A CN109772663 A CN 109772663A CN 201910129840 A CN201910129840 A CN 201910129840A CN 109772663 A CN109772663 A CN 109772663A
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Abstract
The present invention relates to a kind of spraying process of protective door POZD antiknock coating, the following steps are included: S1: ground processing, derusting by sandblasting is carried out to closed guard gate's substrate using blasting craft, steel surface cleannes are greater than 2.5 grades of Sa after sandblasting, and surface roughness is 40~75um of Rz；S2: primary coat construction, using epoxy resin base paint, primer coating dosage >=0.20kg/m2；The selection of S3:POZD material spraying construction equipment；S4: feedstock processing；S5: examination is sprayed and is examined；S6: spraying operation requirement；S7: the spraying of steel root requires；S8: coating thickness requirement；S9: it is checked after spraying；S10: cleaning spray gun closes all devices.The beneficial effects of the present invention are: the present invention is verified by a large number of experiments, according to technique proposed by the invention, certain thickness POZD material being sprayed on protective door, can enhance the antiknock ability of protective door, there is certain economic benefit and military benefit.
Description
Technical field
The present invention relates to guard technology, the spraying process of specifically a kind of protective door POZD antiknock coating.
Background technique
POZD full name is poly- isocyanide amino acid ester oxazolidone (Polyisocyanate-oxazodone) polymeric
Material (abbreviation POZD material), using isocyanate ester compound as component A, polyether compound, amino-compound, chain extender it is mixed
Conjunction object is B component, a kind of high molecular material made of fast reaction in the catalysis of catalyst.In spraying, reactivity
High A, B component liquid are mutually hit, the turbulent closure scheme in gun body mixing chamber under high drive, by being atomized after spray gun,
Uniformly mixing again, is sprayed on basal plane within extremely short working life, forms whole, tough POZD elastomer coating.POZD elasticity
Body material itself has that curing rate is fast, and coating layer thickness is controllable (i.e. primary construction can reach design thickness), and coating is fine and close, even
Continue the features such as seamless, is the high molecular material of a kind of strong operability, excellent in mechanical performance.
Currently, what the domestic protective door for civil air defense constructions and installations generallyd use is commonly to paint.It is ground by our many experiments
Study carefully, spraying reinforcing is carried out to protective door used in protection works using POZD material, the antiknock of protective door can be effectively improved
Property.Therefore it provides a kind of POZD material spraying technique for antiknock protective door is necessary those skilled in the art.
Summary of the invention
The purpose of the present invention is to propose to a kind of POZD material spraying techniques for antiknock protective door can using this technique
Reinforcing enhancing is carried out to protection works, there is preferable economic benefit and military benefit.
The present invention is implemented with the following technical solutions: a kind of POZD material spraying technique for antiknock protective door, described
POZD material formed by two kinds of component fast reactions of A, B, component A is isocyanates, and B component is polyether compound, amination
Close the mixture of object, chain extender, wherein polyether compound is that polypropylene oxide ethoxylated polyhydric alcohol or poly- tetrahydro bark and mutter or polyester, ammonia
Based compound is amine terminated polyether, and chain extender is liquid amine chain extender, and the volume ratio of component A and B component is 1:1, described
Protective door is steel protective door, the spraying process of protective door the following steps are included:
S1: ground processing carries out derusting by sandblasting to closed guard gate's substrate using blasting craft, and steel surface cleannes are greater than after sandblasting
2.5 grades of Sa, surface roughness is 40~75um of Rz；
S2: primary coat construction brushes base's priming paint after checking that blasting treatment is qualified, and using epoxy resin base paint, primer coating is used
Amount >=0.20kg/m2, uniformly, no holiday, accumulation after priming paint brushes completion 8 hours, carry out POZD material in 48 hours for priming paint coating
Expect spraying application, if time interval is more than 48 hours, one of priming paint of constructing again carries out POZD material spray after priming paint is dry again
It applies；
The selection of S3:POZD material spraying construction equipment selects two-component high temperature and pressure without gas equipment, and raw material heating temperature is 50
~70 degrees Celsius, bleed pressure is 0.6~1.0MPa, mechanical self-cleaning, collision type is selected, without aerosolization spray gun, thus real
Existing A material is mixed with the uniform of B material；
S4: feedstock processing, stir B component raw material 30 minutes before construction or more, and keep continuously stirring in the construction process；
S5: examination, which is sprayed, simultaneously to be examined, and spray is first tried on non-working surface, and whether normal, such as if observing curing of coatings time and A, B component mixing
The spraying of explosion-proof layer can normally be carried out；
S6: spraying operation requirement, per pass coating is using intersection spraying in length and breadth, and the second rifle covers the 40%~60% of the first rifle, spray
Rifle and substrate keep vertical, are highly 60~70cm；
S7: the spraying of steel root requires, and steel root sprays one time in advance and does enhancement layer；
S8: coating thickness requirement, POZD coating layer thickness are more than or equal to 2 ㎜；
S9: checking after spraying, after spraying, checks coating, defective position expects to repair by hand；
S10: cleaning spray gun closes all devices, arranges construction site.
The beneficial effects of the present invention are: the present invention is verified by a large number of experiments, according to technique proposed by the invention,
Certain thickness POZD material is sprayed on protective door, can enhance the antiknock ability of protective door, and there is certain economic benefit and army
Thing benefit.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings of the specification.
Embodiment 1:
A kind of POZD material spraying technique for antiknock protective door, the POZD material is by two kinds of component fast reactions of A, B
Form, component A is isocyanates, B component be polypropylene oxide ethoxylated polyhydric alcohol, amine terminated polyether, liquid amine chain extender it is mixed
The volume ratio of conjunction object, component A and B component is 1:1, and the protective door is steel protective door, the spraying process of protective door such as Fig. 1
It is shown, comprising the following steps:
S1: ground processing carries out derusting by sandblasting to closed guard gate's substrate using blasting craft, and steel surface cleannes are greater than after sandblasting
2.5 grades of Sa, surface roughness is 40~75um of Rz；
S2: primary coat construction brushes base's priming paint after checking that blasting treatment is qualified, and using epoxy resin base paint, primer coating is used
Amount >=0.20kg/m2, uniformly, no holiday, accumulation after priming paint brushes completion 8 hours, carry out POZD material in 48 hours for priming paint coating
Expect spraying application, if time interval is more than 48 hours, one of priming paint of constructing again carries out POZD material spray after priming paint is dry again
It applies；
The selection of S3:POZD material spraying construction equipment are as follows: two-component high temperature and pressure is selected to select without gas equipment, the present embodiment
It is that Graco company, the U.S. produces H- XP type automation spray painting apparatus, the heating temperature of raw material is 65 degrees Celsius in equipment operation, gas
Source pressure is 0.75MPa, selects mechanical self-cleaning, collision type, without aerosolization spray gun, what is selected in the present embodiment is the U.S.
The GX-D71 spray gun that Graco company produces, to realize that A material is mixed with the uniform of B material；
S4: stirring B component raw material 35 minutes before construction, and keeps continuously stirring in the construction process；
S5: first trying spray on non-working surface, and whether observe curing of coatings time and A, B component mixing normal, such as normally can be into
The spraying of row explosion-proof layer；
S6: for per pass coating using spraying, and the 50% of the second rifle the first rifle of covering is intersected in length and breadth, spray gun and substrate keep vertical, high
Degree is 65cm；
S7: steel root sprays one time in advance and does enhancement layer；
S8:POZD coating layer thickness is greater than 2 ㎜；
S9: after spraying, coating is checked, defective position expects to repair by hand；
S10: cleaning spray gun and closing all devices arrange construction site.
Protective door after spraying according to above-mentioned steps passes through experimental test, and antiknock ability improves 80% or more.
Embodiment 2
A kind of POZD material spraying technique for antiknock protective door, the POZD material is by two kinds of component fast reactions of A, B
Form, component A is isocyanates, B component be poly- tetrahydro bark mutter, the mixture of amine terminated polyether, liquid amine chain extender, A group
Dividing with the volume ratio of B component is 1:1, and the protective door is steel protective door, and the spraying process of protective door is as shown in Figure 1, packet
Include following steps:
S1: ground processing carries out derusting by sandblasting to closed guard gate's substrate using blasting craft, and steel surface cleannes are greater than after sandblasting
2.5 grades of Sa, surface roughness is 40~75um of Rz；
S2: primary coat construction brushes base's priming paint after checking that blasting treatment is qualified, and using epoxy resin base paint, primer coating is used
Amount >=0.20kg/m2, uniformly, no holiday, accumulation after priming paint brushes completion 8 hours, carry out POZD material in 48 hours for priming paint coating
Expect spraying application, if time interval is more than 48 hours, one of priming paint of constructing again carries out POZD material spray after priming paint is dry again
It applies；
The construction of S3:POZD material spraying selects two-component high temperature and pressure without gas equipment, and that the present embodiment is selected is U.S. Graco
Company produces H- XP type automation spray painting apparatus, and the heating temperature of raw material is 50 degrees Celsius in equipment operation, and bleed pressure is
0.6MPa selects mechanical self-cleaning, collision type, without aerosolization spray gun, and what is selected in the present embodiment is that Graco company, the U.S. produces
GX-D71 spray gun, to realize that A material is mixed with the uniform of B material；
S4: stirring B component raw material 30 minutes before construction, and keeps continuously stirring in the construction process；
S5: first trying spray on non-working surface, and whether observe curing of coatings time and A, B component mixing normal, such as normally can be into
The spraying of row explosion-proof layer；
S6: for per pass coating using spraying, and the 50% of the second rifle the first rifle of covering is intersected in length and breadth, spray gun and substrate keep vertical, high
Degree is 65cm；
S7: steel root sprays one time in advance and does enhancement layer；
S8:POZD coating layer thickness is equal to 2 ㎜；
S9: after spraying, coating is checked, defective position expects to repair by hand；
S10: cleaning spray gun and closing all devices arrange construction site.
Protective door after spraying according to above-mentioned steps passes through experimental test, and antiknock ability improves 70% or more.
Above embodiments only express several specific embodiments of the invention, and description is more specific, but the present invention is simultaneously
Be not limited to the above embodiment stated mode.
Part not in the detailed description of the invention is the prior art.
Claims (1)
1. a kind of spraying process of protective door POZD antiknock coating, the POZD material by two kinds of component fast reactions of A, B and
At component A is isocyanates, and B component is the mixture of polyether compound, amino-compound, chain extender, wherein polyethers chemical combination
Object is that polypropylene oxide ethoxylated polyhydric alcohol or poly- tetrahydro bark and mutter or polyester, amino-compound are amine terminated polyether, and chain extender is liquid
The volume ratio of amine chain extender, component A and B component is 1:1, and the protective door is steel protective door, it is characterized in that: protective door
Spraying process the following steps are included:
S1: ground processing carries out derusting by sandblasting to closed guard gate's substrate using blasting craft, and steel surface cleannes are greater than after sandblasting
2.5 grades of Sa, surface roughness is 40~75um of Rz；
S2: primary coat construction brushes base's priming paint after checking that blasting treatment is qualified, and using epoxy resin base paint, primer coating is used
Amount >=0.20kg/m2, uniformly, no holiday, accumulation after priming paint brushes completion 8 hours, carry out POZD material in 48 hours for priming paint coating
Expect spraying application, if time interval is more than 48 hours, one of priming paint of constructing again carries out POZD material spray after priming paint is dry again
It applies；
The selection of S3:POZD material spraying construction equipment: selecting two-component high temperature and pressure without gas equipment, and raw material heating temperature is 50
~70 degrees Celsius, bleed pressure is 0.6~1.0MPa, mechanical self-cleaning, collision type is selected, without aerosolization spray gun, thus real
Existing A material is mixed with the uniform of B material；
S4: feedstock processing, stir B component raw material 30 minutes before construction or more, and keep continuously stirring in the construction process；
S5: examination, which is sprayed, simultaneously to be examined, and spray is first tried on non-working surface, and whether normal, such as if observing curing of coatings time and A, B component mixing
The spraying of explosion-proof layer can normally be carried out；
S6: spraying operation requirement, per pass coating is using intersection spraying in length and breadth, and the second rifle covers the 40%~60% of the first rifle, spray
Rifle and substrate keep vertical, are highly 60~70cm；
S7: the spraying of steel root requires, and steel root sprays one time in advance and does enhancement layer；
S8: coating thickness requirement, POZD coating layer thickness are more than or equal to 2 ㎜；
S9: checking after spraying, after spraying, checks coating, defective position expects to repair by hand；
S10: cleaning spray gun closes all devices, arranges construction site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129840.0A CN109772663A (en) | 2019-02-21 | 2019-02-21 | A kind of spraying process of protective door POZD antiknock coating |
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|---|---|---|---|
| CN201910129840.0A CN109772663A (en) | 2019-02-21 | 2019-02-21 | A kind of spraying process of protective door POZD antiknock coating |
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| CN201910129840.0A Pending CN109772663A (en) | 2019-02-21 | 2019-02-21 | A kind of spraying process of protective door POZD antiknock coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110918428A (en) * | 2019-12-10 | 2020-03-27 | 凯诗雷(上海)新材料有限公司 | Method for enhancing ship performance |
| CN110918429A (en) * | 2019-12-10 | 2020-03-27 | 凯诗雷(上海)新材料有限公司 | Construction method for improving collision avoidance capability of automobile |
| CN110947606A (en) * | 2019-12-10 | 2020-04-03 | 凯诗雷(上海)新材料有限公司 | Method for improving tear resistance and strengthening protection of airplane |
| CN113549390A (en) * | 2021-08-05 | 2021-10-26 | 青岛国工高新材料有限公司 | POZD antiknock coating for protective door and production process thereof |
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| CN208251960U (en) * | 2018-05-15 | 2018-12-18 | 青岛国工高新材料有限公司 | A kind of new type explosion proof closed guard gate |
| CN208378771U (en) * | 2018-04-27 | 2019-01-15 | 青岛国工高新材料有限公司 | A kind of corrosion-inhibiting coating for ocean steel construction |
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| CN208378771U (en) * | 2018-04-27 | 2019-01-15 | 青岛国工高新材料有限公司 | A kind of corrosion-inhibiting coating for ocean steel construction |
| CN208251960U (en) * | 2018-05-15 | 2018-12-18 | 青岛国工高新材料有限公司 | A kind of new type explosion proof closed guard gate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918428A (en) * | 2019-12-10 | 2020-03-27 | 凯诗雷(上海)新材料有限公司 | Method for enhancing ship performance |
| CN110918429A (en) * | 2019-12-10 | 2020-03-27 | 凯诗雷(上海)新材料有限公司 | Construction method for improving collision avoidance capability of automobile |
| CN110947606A (en) * | 2019-12-10 | 2020-04-03 | 凯诗雷(上海)新材料有限公司 | Method for improving tear resistance and strengthening protection of airplane |
| CN113549390A (en) * | 2021-08-05 | 2021-10-26 | 青岛国工高新材料有限公司 | POZD antiknock coating for protective door and production process thereof |
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