CN103351701A - Coating improving inking fastness - Google Patents
Coating improving inking fastness Download PDFInfo
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- CN103351701A CN103351701A CN2013103144611A CN201310314461A CN103351701A CN 103351701 A CN103351701 A CN 103351701A CN 2013103144611 A CN2013103144611 A CN 2013103144611A CN 201310314461 A CN201310314461 A CN 201310314461A CN 103351701 A CN103351701 A CN 103351701A
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- coating
- inking
- fastness
- solid particulate
- solid particles
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Abstract
The invention provides a coating improving inking fastness. The coating comprises solid particles of which the density is lower than the other ingredients of the coating, wherein the particle sizes of the solid particles are 400 to 800 meshes. According to the coating provided by the invention, the solid particles of which the density is lower than the other ingredients of the coating can float on the surface of the coating during the spreading of the coating, so that the surface of a coating layer is rough after the solidification of the coating, which provides convenience for inking. Compared with the prior art, the surface tension of the coating layer adopting the coating is changed remarkably; being tested by a Dyne test pen, the Dyne test pen surface energy level of no shrink and no ink drop is improved from 34 to 40.
Description
Technical field
What the present invention relates to is a kind of coating that improves the inking fastness.
Background technology
The aluminium shell of capacitor coating that Chinese invention patent ZL200810061993.8 " capacitor aluminum housing coating paint and coating process " discloses a kind of " feed composition consists of for polyurethane polyol 48-56%, mixed solvent 38.6-47%, surface smoothener 2.7-3.5%, flow agent 0.28-0.34%, defoamer 0.18-0.24% and adhesion promoter 1.44-1.72% by weight percentage ".This coating has solved the technical problem that the aluminium shell of capacitor insulation layer can not adhere to coating process before impact briquetting, reduced tooling cost and environmental pollution, has improved the insulating property of electrical condenser.Usually, need to outside aluminum hull, spray specification or other information flags before the electrical condenser finished product, but that the above-mentioned coating surface performance of ink is lower, often produces void.
Having that Chinese invention patent ZL03154106.2 " is coated in the method that vacuum is coated with a kind of non-deinking coating on the aluminium paper with Resins, epoxy before as printing-ink ", Chinese invention patent ZL201110183189.9 " coating transfer aluminum plating of a kind of suitable offset printing and preparation method thereof ", Chinese invention patent ZL201210558708.X " are fit to laser transfer coatings of intaglio printing and preparation method thereof " etc. discloses some coating that use at vacuum aluminium coated layer, and these coating all attempt to improve the binding strength of coating and printing ink.But they do not have versatility substantially, and purposes is single, can not be widely used in the different coating that use on the technique different substrate materials that use, and as for above-mentioned aluminium shell of capacitor Application of coatings, these three patents of invention just can not provide the coating of suitable raising inking fastness.
Summary of the invention
For defects, technical problem to be solved by this invention is exactly to make the measure that improves the inking fastness can be suitable for most of existing coating, especially is suitable for above-mentioned aluminium shell of capacitor coating, thereby proposes a kind of coating that improves the inking fastness.
The coating of raising inking fastness provided by the invention contains the solid particulate that density is lower than other compositions of coating, and the granularity of this solid particulate is 400-800 orders.
The coating of raising inking fastness provided by the invention, owing to contain the trickle solid particulate that density is lower than other compositions of coating, these solid particulates just float on coating surface when coating is coated with, and make the dope layer surface irregularity behind the paint solidification, are conducive to inking.Compared with prior art, paint coatings surface tension of the present invention considerable change through surveying with the dyne pen, does not shrink and occurs a dyne surface level of ink droplet, brings up to 40 from 34.
The coating of raising inking fastness provided by the invention, said solid particulate are the compounds of silicon, because the compound of silicon can not dissolve in all kinds of coating and can keep person's character in various coating processes, so its strong adaptability.Especially silicon carbide, its proterties more can guarantee to form roughness on the dope layer surface, and can improve its wear resistance.
The coating of raising inking fastness provided by the invention, said solid particulate shared mass percent after the coating film forming is 0.5-0.7%, and the content of solid particulate in coating can form enough roughness as calculation result at coatingsurface after film forming in fact.
Embodiment
Embodiment 1: a kind of coating for aluminium shell of capacitor, its feed composition are that polyurethane polyol 48-56%, mixed solvent 38.6-47%, surface smoothener 2.7-3.5%, flow agent 0.28-0.34%, defoamer 0.18-0.24%, adhesion promoter 1.44-1.72% and silicon compound 0.5-0.7% consist of by mass percentage.Wherein mixed solvent 60-70% and 30-40% is mixed respectively by mass percentage by ethyl ketone and ketone; Surface smoothener is altogether modified dimethyl polysiloxane of polyester; Flow agent is polyether-modified organopolysiloxane; Defoamer is organosilicon, and adhesion promoter is silane; Silicon compound is silicon carbide, and the granularity of silicon carbide is 400-800 orders.
Concrete component such as according to the form below proportioning become four groups of coating:
Embodiment 2: as above routine, the compound of used silicon is 400-600 purpose quartz sands.
Claims (4)
1. a coating that improves the inking fastness contains the solid particulate that density is lower than other compositions of coating, and the granularity of this solid particulate is 400-800 orders.
2. the coating of raising inking fastness as claimed in claim 1 is characterized in that said solid particulate is the compound of silicon.
3. the coating of raising inking fastness as claimed in claim 2 is characterized in that said solid particulate is silicon carbide.
4. such as the coating of claim 1 or 2 or 3 described raising inking fastness, it is characterized in that said solid particulate shared mass percent after the coating film forming is 0.5-0.7%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103144611A CN103351701A (en) | 2013-07-24 | 2013-07-24 | Coating improving inking fastness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103144611A CN103351701A (en) | 2013-07-24 | 2013-07-24 | Coating improving inking fastness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103351701A true CN103351701A (en) | 2013-10-16 |
Family
ID=49308121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103144611A Pending CN103351701A (en) | 2013-07-24 | 2013-07-24 | Coating improving inking fastness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103351701A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138639A (en) * | 1984-12-10 | 1986-06-26 | Kinugawa Rubber Ind Co Ltd | Coating composition for surface-treatment of polymeric elastomer |
| CN101166798A (en) * | 2005-04-25 | 2008-04-23 | Ppg工业俄亥俄公司 | Coating compositions providing improved mar and scratch resistance and methods of using the same |
| CN101168631A (en) * | 2006-10-27 | 2008-04-30 | 德古萨有限责任公司 | Film-forming binders containing nanoscale particles and featuring enhanced scratch resistance and flexibility, processes for their preparation, and high-transparency coating materials containing them |
| CN101309958A (en) * | 2005-09-30 | 2008-11-19 | 3M创新有限公司 | Photocatalytic coating |
| CN101339850A (en) * | 2008-06-10 | 2009-01-07 | 舟山市新龙电子设备有限公司 | Capacitor aluminum housing coating paint and coating process |
| KR100881948B1 (en) * | 2007-03-19 | 2009-02-04 | 김용구 | Thermal spray coating composition |
-
2013
- 2013-07-24 CN CN2013103144611A patent/CN103351701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138639A (en) * | 1984-12-10 | 1986-06-26 | Kinugawa Rubber Ind Co Ltd | Coating composition for surface-treatment of polymeric elastomer |
| CN101166798A (en) * | 2005-04-25 | 2008-04-23 | Ppg工业俄亥俄公司 | Coating compositions providing improved mar and scratch resistance and methods of using the same |
| CN101309958A (en) * | 2005-09-30 | 2008-11-19 | 3M创新有限公司 | Photocatalytic coating |
| CN101168631A (en) * | 2006-10-27 | 2008-04-30 | 德古萨有限责任公司 | Film-forming binders containing nanoscale particles and featuring enhanced scratch resistance and flexibility, processes for their preparation, and high-transparency coating materials containing them |
| KR100881948B1 (en) * | 2007-03-19 | 2009-02-04 | 김용구 | Thermal spray coating composition |
| CN101339850A (en) * | 2008-06-10 | 2009-01-07 | 舟山市新龙电子设备有限公司 | Capacitor aluminum housing coating paint and coating process |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131016 |