CN101914268B - Calcium carbonate and epoxy resin mixed particle for coating and manufacture process thereof - Google Patents
Calcium carbonate and epoxy resin mixed particle for coating and manufacture process thereof Download PDFInfo
- Publication number
- CN101914268B CN101914268B CN2010102646316A CN201010264631A CN101914268B CN 101914268 B CN101914268 B CN 101914268B CN 2010102646316 A CN2010102646316 A CN 2010102646316A CN 201010264631 A CN201010264631 A CN 201010264631A CN 101914268 B CN101914268 B CN 101914268B
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- epoxy resin
- calcium carbonate
- mixture
- coating
- solid
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Abstract
The invention discloses a calcium carbonate and epoxy resin mixed particle for a coating, which comprises the following components in parts by weight: 3-5 parts of calcium carbonate and 5-7 parts of epoxy resin. A manufacture process comprises the following steps of: 1, preparing for raw materials according to the components, heating solid epoxy resin to 160-170 DEG C; 2, adding powdered calcium carbonate into the epoxy resin heated to be in a liquid state, stirring and mixing uniformly, wherein a mixture is in a paste state; 3, placing the mixture into a cooling pool for cooling to the room temperature, condensing into solid; and 4, placing a solid mixture into a crusher for crushing into particles of 3-5mm to obtain the calcium carbonate and epoxy resin mixed particle. The invention has the advantages of simple material preparation and convenient operation, can effectively solve the problem that the calcium carbonate blocks an extruder to cause different extrusion, and ensure that the extrusion speed is improved by about 50 percent through practical application.
Description
Technical field
The present invention relates to coating with lime carbonate and epoxy resin mixed particle and manufacture craft thereof.
Background technology
Thermosetting powder coating(s) is as a kind of Green Product; Can be sprayed on the metal casing of household electrical appliance, instrument and furniture; Can not only reach required glossiness, bright-colored and attractive and durable, and have high solidity to corrosion and insulativity, be well received.Twin screw extruder is exactly one of key equipment of making this coating, and it has the output height, melting effect is good, self-purification ability strong with advantages such as colour changing makes things convenient for.In operating process, make batching residence time in machine short as far as possible, owing in the material solidifying agent is arranged, the residence time has been grown; Material is at high temperature solidified, and fine powder too much can stop up and extrude passage in the material, influences production efficiency and quality product; The filler that in some kinds, uses is generally lime carbonate; Lime carbonate is the above fine powders of 800 orders, it with other raw materials of making coating after impeller mixes, extrude through forcing machine.Because calcium carbonate powders is thin and very light powder, is not easy to extrude, thereby very easily stops up forcing machine, causes and extrudes difficulty.
Summary of the invention
The object of the invention promptly is to overcome the shortcoming of prior art, provides a kind of and extrudes easily, and the coating that is difficult for stopping up forcing machine is with lime carbonate and epoxy resin mixed particle and manufacture craft thereof.
The object of the invention is realized through following technical scheme: coating is with lime carbonate and epoxy resin mixed particle, and its component and content composition are by weight: lime carbonate 3～5, epoxy resin 5～7.
Coating is with the manufacture craft of lime carbonate and epoxy resin mixed particle, and it may further comprise the steps successively:
(1) proportionately divides batching, solid-like epoxy resin is heated to 160～170 ℃;
(2) whiting is heated in the liquid epoxy resin, mixes, mixture in the pasty state;
(3) mixture is put into cooling pool and be cooled to room temperature, condense into solid;
(4) the solid-like mixture being put into kibbler is ground into 3～5mm size particles and promptly gets.
Can find out that through top narration the present invention has the following advantages: batching is simple, and is easy to operate, can effectively solve lime carbonate and stop up forcing machine, causes the problem of extruding difficulty, through practical application, can make extruded velocity improve about 50%.
Embodiment
Through embodiment the present invention is done further description below, but protection scope of the present invention is not limited to the following stated
Embodiment 1: coating is with lime carbonate and epoxy resin mixed particle, and its component and content composition are by weight: lime carbonate 4, epoxy resin 6.Coating is with the manufacture craft of lime carbonate and epoxy resin mixed particle, and it may further comprise the steps successively:
(1) proportionately divides batching, solid-like epoxy resin is heated to 160 ℃;
(2) whiting is heated in the liquid epoxy resin, mixes, mixture in the pasty state;
(3) mixture is put into cooling pool and be cooled to room temperature, condense into solid;
(4) the solid-like mixture being put into kibbler is ground into the 3mm size particles and promptly gets.
Embodiment 2: coating is with lime carbonate and epoxy resin mixed particle, and its component and content composition are by weight: lime carbonate 3, epoxy resin 5.Coating is with the manufacture craft of lime carbonate and epoxy resin mixed particle, and it may further comprise the steps successively:
(1) proportionately divides batching, solid-like epoxy resin is heated to 170 ℃;
(2) whiting is heated in the liquid epoxy resin, mixes, mixture in the pasty state;
(3) mixture is put into cooling pool and be cooled to room temperature, condense into solid;
(4) the solid-like mixture being put into kibbler is ground into the 5mm size particles and promptly gets.
Embodiment 3: coating is with lime carbonate and epoxy resin mixed particle, and its component and content composition are by weight: lime carbonate 5, epoxy resin 7.Coating is with the manufacture craft of lime carbonate and epoxy resin mixed particle, and it may further comprise the steps successively:
(1) proportionately divides batching, solid-like epoxy resin is heated to 165 ℃;
(2) whiting is heated in the liquid epoxy resin, mixes, mixture in the pasty state;
(3) mixture is put into cooling pool and be cooled to room temperature, condense into solid;
(4) the solid-like mixture being put into kibbler is ground into the 4mm size particles and promptly gets.
Claims (1)
1. coating is characterized in that with lime carbonate and epoxy resin mixed particle, and its component and content composition are by weight: lime carbonate 3～5, epoxy resin 5～7;
Coating is with the manufacture craft of lime carbonate and epoxy resin mixed particle, and it may further comprise the steps successively:
(1) proportionately divides batching, solid-like epoxy resin is heated to 160～170 ℃;
(2) whiting is heated in the liquid epoxy resin, mixes, mixture in the pasty state;
(3) mixture is put into cooling pool and be cooled to room temperature, condense into solid;
(4) the solid-like mixture being put into kibbler is ground into 3～5mm particle and promptly gets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102646316A CN101914268B (en) | 2010-08-27 | 2010-08-27 | Calcium carbonate and epoxy resin mixed particle for coating and manufacture process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102646316A CN101914268B (en) | 2010-08-27 | 2010-08-27 | Calcium carbonate and epoxy resin mixed particle for coating and manufacture process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101914268A CN101914268A (en) | 2010-12-15 |
| CN101914268B true CN101914268B (en) | 2012-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102646316A Expired - Fee Related CN101914268B (en) | 2010-08-27 | 2010-08-27 | Calcium carbonate and epoxy resin mixed particle for coating and manufacture process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101914268B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242253A (en) * | 1979-06-04 | 1980-12-30 | E. I. Du Pont De Nemours And Company | Low gloss powder coating compositions |
| US4251426A (en) * | 1979-02-06 | 1981-02-17 | E. I. Du Pont De Nemours And Company | Epoxy resin powder primer compositions |
-
2010
- 2010-08-27 CN CN2010102646316A patent/CN101914268B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251426A (en) * | 1979-02-06 | 1981-02-17 | E. I. Du Pont De Nemours And Company | Epoxy resin powder primer compositions |
| US4242253A (en) * | 1979-06-04 | 1980-12-30 | E. I. Du Pont De Nemours And Company | Low gloss powder coating compositions |
Non-Patent Citations (4)
| Title |
|---|
| 李晓俊等.纳米碳酸钙改性环氧树脂的研究.《纳米材料与应用》.2004,第1卷(第6期),第21页左栏第2段到第22页右栏最后1段. * |
| 李蕾等.纳米碳酸钙作为环氧树脂增韧材料的研究.《北京化工大学学报》.2005,第32卷(第2期),第1页左栏第2段到第4页左栏第1段. * |
| 王训遒等.纳米CaCO3在环氧树脂中的分散及其复合涂料的制备.《化工新型材料》.2005,第33卷(第6期),第66页左栏第1段到第68页左栏第1段. * |
| 石全.纳米微粒改性环氧树脂的制备及其在粉末涂料中的应用.《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》.2005,(第3期),摘要、第38页第3段到第7段、表4.7. * |
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| Publication number | Publication date |
|---|---|
| CN101914268A (en) | 2010-12-15 |
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