CN103360929A - Preparation method of repair paint for colored steel plates - Google Patents
Preparation method of repair paint for colored steel plates Download PDFInfo
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- CN103360929A CN103360929A CN2013102625173A CN201310262517A CN103360929A CN 103360929 A CN103360929 A CN 103360929A CN 2013102625173 A CN2013102625173 A CN 2013102625173A CN 201310262517 A CN201310262517 A CN 201310262517A CN 103360929 A CN103360929 A CN 103360929A
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Abstract
The invention discloses a preparation method of a repair paint for colored steel plates. The repair paint for colored steel plates is composed of the following components in percentage by weight: 80-90% of component A and 10-20% of component B. The preparation method comprises the following steps: preparation of component A: weighing raw materials of the component A according to the proportion, adding carboxyl acrylic resin into a reaction kettle, adding tinting pigment and filler, mixing for 1-2 hours until the materials are uniformly dispersed, adding assistant and solvent, uniformly mixing, grinding, filtering, and barrelling to obtain the component A; preparation of component B:weighing raw materials of the component B according to the proportion, stirring biuret and HDI (hexamethylene diisocyanate) tripolymer for 1-2 hours, adding chlorinated rubber, and dispersing at 1800-2500 rpm for 2-4 hours to obtain the component B; and preparation of paint: proportionally blending the component A and component B to obtain the finished paint product. The invention has the advantages of stable quality, favorable use effect, favorable physical properties, favorable chemical properties, high light and color maintenance, and high durability, and can not easily shed when being used for isolated repair of metal materials.
Description
Technical field
The present invention relates to a kind of coating, be specifically related to a kind of preparation method of the repair paint for color steel sheet.
Background technology
Existing retouching paint is mainly used in automobile industry, and domestic industry is relatively less in the color steel sheet repair paint, and the lacquer quality of producing is unstable, comes off easily, and chemical resistance and artificial ageing resistance poor-performing.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of preparation method of the repair paint for color steel sheet.
Technical scheme: for achieving the above object, a kind of repair paint for color steel sheet provided by the invention, its compositions in weight percentage consists of the following composition: 80～90% A component and 10～20% B component; Described A component comprises following component by weight: 60～68 parts of carboxyl acrylic resins, 15～18 parts of tinting pigments, 12～20 parts of fillers, 2～5 parts of auxiliary agents, 0.1～0.5 part of mixed solvent; Described auxiliary agent comprises defoamer, anti-settling agent and thixotropic agent; Described mixed solvent comprises dimethylbenzene and butylacetate; Described B component comprises following component by weight: 40～48 parts of biurets, 12～18 parts of HDI tripolymers and 15～25 parts of chlorinated rubbers.
Preferably, described auxiliary agent comprises that defoamer, anti-settling agent and thixotropic agent weight ratio are 1 ﹕, 1 ﹕ 4.
Preferably, the volume ratio of dimethylbenzene and butylacetate is 3 ﹕ 1 in the described mixed solvent.
Preferably, described tinting pigment is one or more in titanium dioxide, carbon black, phthalocyanine blue and the red iron oxide.
Preferably, described filler be in mica powder, natural barite powder, talcum powder, the process white one or several.
The preparation method of above-mentioned repair paint for color steel sheet comprises the steps:
(1) preparation of A component: take by weighing each raw material in the A component according to feed composition, carboxyl acrylic resin is dropped in the reactor, then add tinting pigment and filler, mix 1～2h, behind Uniform Dispersion, add auxiliary agent and solvent, after mixing, filter through grinding, loading barrel packaging namely makes the A component;
(2) preparation of B component: take by weighing each feed composition in the B component according to feed composition, behind biuret and HDI tripolymer stirring 1～2h, the adding chlorinated rubber disperses 2～4h with 1800～2500 rev/mins rotating speed, namely makes the B component;
(3) join lacquer: A component and B component are namely obtained the finished product lacquer according to the allotment of paint vehicle ratio.
Beneficial effect: repair paint steady quality provided by the invention, result of use is good, has good physicals, chemical property and protects light tint retention and weather resistance, and what be used for metallic substance lacks every reparation difficult drop-off, artificial ageing resistance.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Embodiment 1:
A kind of repair paint for color steel sheet, its compositions in weight percentage consists of the following composition: 90% A component and 10% B component.
Described A component comprises following component by weight: 68 parts of carboxyl acrylic resins, 15 parts of tinting pigments, 12 parts of talcum powder and process white, 2 parts of auxiliary agents, 0.1 part of mixed solvent; Described auxiliary agent comprises that defoamer, anti-settling agent and thixotropic agent weight ratio are 1 ﹕, 1 ﹕ 4; The volume ratio of dimethylbenzene and butylacetate is 3 ﹕ 1 in the described mixed solvent;
Described B component comprises following component by weight: 48 parts of biurets, 12 parts of HDI tripolymers and 15 chlorinated rubbers.
The preparation method of above-mentioned repair paint for color steel sheet comprises the steps:
(1) preparation of A component: take by weighing each raw material in the A component according to feed composition, carboxyl acrylic resin is dropped in the reactor, then add tinting pigment and filler, mix 1～2h, behind Uniform Dispersion, add auxiliary agent and solvent, after mixing, filter through grinding, loading barrel packaging namely makes the A component;
(2) preparation of B component: take by weighing each feed composition in the B component according to feed composition, behind biuret and HDI tripolymer stirring 1～2h, the adding chlorinated rubber disperses 2～4h with 1800～2500 rev/mins rotating speed, namely makes the B component;
(3) join lacquer: A component and B component are namely obtained the finished product lacquer according to the allotment of paint vehicle ratio.
Embodiment 2:
A kind of repair paint for color steel sheet, its compositions in weight percentage consists of the following composition: 80% A component and 20% B component;
Described A component comprises following component by weight: 60 parts of carboxyl acrylic resins, 18 parts of phthalocyanine blues, 20 parts of mica powders, 5 parts of auxiliary agents, 0.5 part of mixed solvent; Described auxiliary agent comprises that defoamer, anti-settling agent and thixotropic agent weight ratio are 1 ﹕, 1 ﹕ 4; The volume ratio of dimethylbenzene and butylacetate is 3 ﹕ 1 in the described mixed solvent;
Described B component comprises following component by weight: 40 parts of biurets, 18 parts of HDI tripolymers and 25 parts of chlorinated rubbers.
The preparation method of above-mentioned repair paint for color steel sheet comprises the steps:
(1) preparation of A component: take by weighing each raw material in the A component according to feed composition, carboxyl acrylic resin is dropped in the reactor, then add tinting pigment and filler, mix 1～2h, behind Uniform Dispersion, add auxiliary agent and solvent, after mixing, filter through grinding, loading barrel packaging namely makes the A component;
(2) preparation of B component: take by weighing each feed composition in the B component according to feed composition, behind biuret and HDI tripolymer stirring 1～2h, the adding chlorinated rubber disperses 2～4h with 1800～2500 rev/mins rotating speed, namely makes the B component;
(3) join lacquer: A component and B component are namely obtained the finished product lacquer according to the allotment of paint vehicle ratio.
Embodiment 3:
A kind of repair paint for color steel sheet, its compositions in weight percentage consists of the following composition: 85% A component and 15% B component;
Described A component comprises following component by weight: 65 parts of carboxyl acrylic resins, 16 parts of carbon blacks, 15 parts of natural barite powder, 4 parts of auxiliary agents, 0.3 part of mixed solvent; Described auxiliary agent comprises that defoamer, anti-settling agent and thixotropic agent weight ratio are 1 ﹕, 1 ﹕ 4; The volume ratio of dimethylbenzene and butylacetate is 3 ﹕ 1 in the described mixed solvent;
Described B component comprises following component by weight: 45 parts of biurets, 15 parts of HDI tripolymers and 20 parts of chlorinated rubbers.
The preparation method of above-mentioned repair paint for color steel sheet comprises the steps:
(1) preparation of A component: take by weighing each raw material in the A component according to feed composition, carboxyl acrylic resin is dropped in the reactor, then add tinting pigment and filler, mix 1～2h, behind Uniform Dispersion, add auxiliary agent and solvent, after mixing, filter through grinding, loading barrel packaging namely makes the A component;
(2) preparation of B component: take by weighing each feed composition in the B component according to feed composition, behind biuret and HDI tripolymer stirring 1～2h, the adding chlorinated rubber disperses 2～4h with 1800～2500 rev/mins rotating speed, namely makes the B component;
(3) join lacquer: A component and B component are namely obtained the finished product lacquer according to the allotment of paint vehicle ratio.
Embodiment 4:
A kind of repair paint for color steel sheet, its compositions in weight percentage consists of the following composition: 88% A component and 12% B component;
Described A component comprises following component by weight: 66 parts of carboxyl acrylic resins, 14 parts of titanium dioxides, 18 parts of natural barite powder and talcum powder, 3 parts of auxiliary agents, 0.4 part of mixed solvent; Described auxiliary agent comprises that defoamer, anti-settling agent and thixotropic agent weight ratio are 1 ﹕, 1 ﹕ 4; The volume ratio of dimethylbenzene and butylacetate is 3 ﹕ 1 in the described mixed solvent;
Described B component comprises following component by weight: 42 parts of biurets, 16 parts of HDI tripolymers and 18 parts of chlorinated rubbers.
The preparation method of above-mentioned repair paint for color steel sheet comprises the steps:
(1) preparation of A component: take by weighing each raw material in the A component according to feed composition, carboxyl acrylic resin is dropped in the reactor, then add tinting pigment and filler, mix 1～2h, behind Uniform Dispersion, add auxiliary agent and solvent, after mixing, filter through grinding, loading barrel packaging namely makes the A component;
(2) preparation of B component: take by weighing each feed composition in the B component according to feed composition, behind biuret and HDI tripolymer stirring 1～2h, the adding chlorinated rubber disperses 2～4h with 1800～2500 rev/mins rotating speed, namely makes the B component;
(3) join lacquer: A component and B component are namely obtained the finished product lacquer according to the allotment of paint vehicle ratio.
Embodiment 5:
A kind of repair paint for color steel sheet, its compositions in weight percentage consists of the following composition: 82% A component and 18% B component;
Described A component comprises following component by weight: 62 parts of carboxyl acrylic resins, 17 parts of red iron oxides, 13 parts of talcum powder and process white, 3 parts of auxiliary agents, 0.2 part of mixed solvent; Described auxiliary agent comprises that defoamer, anti-settling agent and thixotropic agent weight ratio are 1 ﹕, 1 ﹕ 4; The volume ratio of dimethylbenzene and butylacetate is 3 ﹕ 1 in the described mixed solvent;
Described B component comprises following component by weight: 46 parts of biurets, 13 parts of HDI tripolymers and 22 parts of chlorinated rubbers.
The preparation method of above-mentioned repair paint for color steel sheet comprises the steps:
(1) preparation of A component: take by weighing each raw material in the A component according to feed composition, carboxyl acrylic resin is dropped in the reactor, then add tinting pigment and filler, mix 1～2h, behind Uniform Dispersion, add auxiliary agent and solvent, after mixing, filter through grinding, loading barrel packaging namely makes the A component;
(2) preparation of B component: take by weighing each feed composition in the B component according to feed composition, behind biuret and HDI tripolymer stirring 1～2h, the adding chlorinated rubber disperses 2～4h with 1800～2500 rev/mins rotating speed, namely makes the B component;
(3) join lacquer: A component and B component are namely obtained the finished product lacquer according to the allotment of paint vehicle ratio.
Embodiment 1～5 prepared product performance see the following form:
The above only is preferred implementation of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. preparation method who is used for the repair paint of color steel sheet, it is characterized in that: its preparation process comprises the steps:
(1) preparation of A component: take by weighing following component according to feed composition: 60～68 parts of carboxyl acrylic resins, 15～18 parts of tinting pigments, 12～20 parts of fillers, 2～5 parts of auxiliary agents, 0.1～0.5 part of mixed solvent; Described auxiliary agent comprises defoamer, anti-settling agent and thixotropic agent; Described mixed solvent comprises dimethylbenzene and butylacetate; Carboxyl acrylic resin is dropped in the reactor, then add tinting pigment and filler, mix 1～2h, behind Uniform Dispersion, add auxiliary agent and solvent, after mixing, filter through grinding, loading barrel packaging namely makes the A component;
(2) preparation of B component: take by weighing following component according to feed composition: 40～48 parts of biurets, 12～18 parts of HDI tripolymers and 15～25 parts of chlorinated rubbers, behind biuret and HDI tripolymer stirring 1～2h, the adding chlorinated rubber disperses 2～4h with 1800～2500 rev/mins rotating speed, namely makes the B component;
(3) join lacquer: A component and B component are namely obtained the finished product lacquer according to 80～90% A component and 10～20% B component paint vehicle ratio allotment.
2. the preparation method of the repair paint for color steel sheet according to claim 1, it is characterized in that: described auxiliary agent comprises that defoamer, anti-settling agent and thixotropic agent weight ratio are 1 ﹕, 1 ﹕ 4.
3. the preparation method of the repair paint for color steel sheet according to claim 1, it is characterized in that: the volume ratio of dimethylbenzene and butylacetate is 3 ﹕ 1 in the described mixed solvent.
4. the preparation method of the repair paint for color steel sheet according to claim 1, it is characterized in that: described tinting pigment is one or more in titanium dioxide, carbon black, phthalocyanine blue and the red iron oxide.
5. the preparation method of the repair paint for color steel sheet according to claim 1 is characterized in that: described filler be in mica powder, natural barite powder, talcum powder, the process white one or several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102625173A CN103360929A (en) | 2013-06-26 | 2013-06-26 | Preparation method of repair paint for colored steel plates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102625173A CN103360929A (en) | 2013-06-26 | 2013-06-26 | Preparation method of repair paint for colored steel plates |
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| CN2013102625173A Pending CN103360929A (en) | 2013-06-26 | 2013-06-26 | Preparation method of repair paint for colored steel plates |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787472A (en) * | 1980-11-20 | 1982-05-31 | Takeda Chem Ind Ltd | Urethane resin coating composition |
| CN102766398A (en) * | 2012-07-12 | 2012-11-07 | 漳州鑫展旺化工有限公司 | Glass varnish with high wear resistance and preparation method thereof |
-
2013
- 2013-06-26 CN CN2013102625173A patent/CN103360929A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787472A (en) * | 1980-11-20 | 1982-05-31 | Takeda Chem Ind Ltd | Urethane resin coating composition |
| CN102766398A (en) * | 2012-07-12 | 2012-11-07 | 漳州鑫展旺化工有限公司 | Glass varnish with high wear resistance and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 朱立等: "《彩色涂层钢板技术》", 31 May 2005, article "彩色钢板的修补与重涂" * |
| 陈春源等: "彩色钢板用丙烯酸聚氨酯修补涂料的研制及应用", 《涂料工业》, no. 11, 30 November 1999 (1999-11-30), pages 5 - 6 * |
| 陶子斌: "《丙烯酸生产与应用技术》", 28 February 2007, article "溶剂型丙烯酸涂料", pages: 283-285 * |
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Application publication date: 20131023 |