CN108225980A - A kind of rheology detection method of varnish - Google Patents
A kind of rheology detection method of varnish Download PDFInfo
- Publication number
- CN108225980A CN108225980A CN201711406046.3A CN201711406046A CN108225980A CN 108225980 A CN108225980 A CN 108225980A CN 201711406046 A CN201711406046 A CN 201711406046A CN 108225980 A CN108225980 A CN 108225980A
- Authority
- CN
- China
- Prior art keywords
- varnish
- hydrostatic column
- viscosity
- detection method
- sphere
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/12—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring rising or falling speed of the body; by measuring penetration of wedged gauges
Abstract
The invention discloses a kind of rheology detection method of varnish of coating detection technique field, which is as follows：S1：Varnish is configured to conform to working viscosity, and is fitted into the graduated hydrostatic column of outer wall belt；S2：The sphere of certain volume is put into hydrostatic column, the time required to record sphere sinks to hydrostatic column bottom from varnish liquid level；S3：The kinematic viscosity of configuration varnish is obtained according to calculation formula；S4：In the bottom connectivity trachea of hydrostatic column, bubble is generated in varnish liquid, synchronous recording bubble is as the time spent by varnish liquid bottom rises to liquid level；S5：The solid-state viscosity of varnish is calculated by formula；S6：The average value of kinematic viscosity and solid-state viscosity is taken, the rheology numerical value of varnish is obtained, the defects of effectively avoiding the sagging and orange peel that varnish generates in the construction process of the invention, can accurately judge whether the varnish of allotment meets construction requirement.
Description
Technical field
The invention discloses a kind of rheology detection methods of varnish, specially coating detection technique field.
Background technology
During paint spraying, because the viscosity of coating in itself changes and flows and the fluctuation of painting environment, painting is sometimes resulted in
Layer generates the undesirable conditions such as sagging or orange peel.Varnish in dope layer usually as outermost coating, to its appearance requirement compared with
Height, since the film thickness of varnish is thicker, it is easier to generate the situation of sagging and bad order.Existing frequently-used paint viscosity detection side
Method, such as using flow cup, rotational viscometer, can not accurately measure the rheological characteristic of coating, improve in varnish work progress
The risk of film defect occurs.For this purpose, the rheology detection method we have proposed a kind of varnish comes into operation, it is above-mentioned to solve
Problem.
Invention content
The purpose of the present invention is to provide a kind of rheology detection method of varnish, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical solution：A kind of rheology detection method of varnish, the detection
Method is as follows：
S1：Varnish is configured to conform to working viscosity, and is fitted into the graduated hydrostatic column of outer wall belt；
S2：The sphere of certain volume is put into hydrostatic column, record sphere sinks to hydrostatic column from varnish liquid level
The time required to bottom；
S3：The kinematic viscosity of configuration varnish is obtained according to calculation formula；
S4：In the bottom connectivity trachea of hydrostatic column, bubble is generated in varnish liquid, synchronous recording bubble is by varnish liquid
Bottom rises to the time spent by liquid level；
S5：The solid-state viscosity of varnish is calculated by formula；
S6：The average value of kinematic viscosity and solid-state viscosity is taken, obtains the rheology numerical value of varnish.
Preferably, in the step S2, sphere is steel or aluminum bead, and a diameter of hydrostatic column diameter of bead
6/1.
Preferably, in the step S2, in sphere infall process, hydrostatic column should tilt 25~30 °, to ensure ball
Body is stablized along hydrostatic column tube wall to glide.
Preferably, in the step S3, the calculation formula of kinematic viscosity is
Wherein ρ is the density of varnish, and d is sphere diameter, and t is fall of ball required time, and D is hydrostatic column diameter, and H is varnish
Liquid level.
Preferably, in the step S5, the calculation formula of solid-state viscosity isWherein ρ is the close of varnish
Degree, H are the liquid level of varnish, and t is that bubble rises the spent time.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention by calculate varnish in motion state and
Different viscosities parameter under solid-state obtains the rheological characteristic numerical value of varnish, and it is viscous under spraying and levelling state that varnish can be predicted
The defects of degree variation, sagging and orange peel that varnish is effectively avoided to generate in the construction process, it can accurately judge allotment
Whether varnish meets construction requirement.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of rheology detection method of varnish, the detection method
It is as follows：
S1：Varnish is configured to conform to working viscosity, and is fitted into the graduated hydrostatic column of outer wall belt；
S2：The sphere of certain volume is put into hydrostatic column, record sphere sinks to hydrostatic column from varnish liquid level
The time required to bottom, sphere is steel or aluminum bead, and the 6/1 of a diameter of hydrostatic column diameter of bead, is sunk in sphere
During drop, hydrostatic column should tilt 25~30 °, be glided with ensuring that sphere is stablized along hydrostatic column tube wall；
S3：The kinematic viscosity of configuration varnish is obtained according to calculation formula, the calculation formula of kinematic viscosity isWherein ρ is the density of varnish, and d is sphere diameter, and t is taken by fall of ball
Between, D is hydrostatic column diameter, and H is the liquid level of varnish；
S4：In the bottom connectivity trachea of hydrostatic column, bubble is generated in varnish liquid, synchronous recording bubble is by varnish liquid
Bottom rises to the time spent by liquid level；
S5：The solid-state viscosity of varnish is calculated by formula, the calculation formula of solid-state viscosity isWherein ρ
For the density of varnish, H is the liquid level of varnish, and t is that bubble rises the spent time；
S6：The average value of kinematic viscosity and solid-state viscosity is taken, obtains the rheology numerical value of varnish.
The present invention obtains the rheology of varnish by calculating different viscosities parameter of the varnish under motion state and solid-state
Property numerical value, viscosity change of the varnish under spraying and levelling state can be predicted, effectively varnish is avoided to generate in the construction process
Sagging and orange peel the defects of, can accurately judge allotment varnish whether meet construction requirement.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of rheology detection method of varnish, it is characterised in that：The detection method is as follows：
S1：Varnish is configured to conform to working viscosity, and is fitted into the graduated hydrostatic column of outer wall belt；
S2：The sphere of certain volume is put into hydrostatic column, record sphere sinks to hydrostatic column bottom from varnish liquid level
Required time；
S3：The kinematic viscosity of configuration varnish is obtained according to calculation formula；
S4：In the bottom connectivity trachea of hydrostatic column, bubble is generated in varnish liquid, synchronous recording bubble is by varnish liquid bottom
Rise to the time spent by liquid level；
S5：The solid-state viscosity of varnish is calculated by formula；
S6：The average value of kinematic viscosity and solid-state viscosity is taken, obtains the rheology numerical value of varnish.
2. a kind of rheology detection method of varnish according to claim 1, it is characterised in that：In the step S2, ball
Body is steel or aluminum bead, and the 6/1 of a diameter of hydrostatic column diameter of bead.
3. a kind of rheology detection method of varnish according to claim 1, it is characterised in that：In the step S2,
In sphere infall process, hydrostatic column should tilt 25~30 °, be glided with ensuring that sphere is stablized along hydrostatic column tube wall.
4. a kind of rheology detection method of varnish according to claim 1, it is characterised in that：In the step S3, fortune
The calculation formula of kinetic viscosity isWherein ρ is the density of varnish, and d is sphere diameter,
T is fall of ball required time, and D is hydrostatic column diameter, and H is the liquid level of varnish.
5. a kind of rheology detection method of varnish according to claim 1, it is characterised in that：In the step S5, Gu
The calculation formula of state viscosity isWherein ρ is the density of varnish, and H is the liquid level of varnish, and t is on bubble
Rise the spent time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406046.3A CN108225980A (en) | 2017-12-22 | 2017-12-22 | A kind of rheology detection method of varnish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406046.3A CN108225980A (en) | 2017-12-22 | 2017-12-22 | A kind of rheology detection method of varnish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108225980A true CN108225980A (en) | 2018-06-29 |
Family
ID=62648603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711406046.3A Pending CN108225980A (en) | 2017-12-22 | 2017-12-22 | A kind of rheology detection method of varnish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108225980A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4038552B2 (en) * | 2005-02-04 | 2008-01-30 | 学校法人高知工科大学 | Viscosity measuring device |
| EP2746745A1 (en) * | 2012-12-18 | 2014-06-25 | Kao Germany GmbH | Viscometer and method for measuring the viscosity of a fluid |
| CN105092415A (en) * | 2015-09-02 | 2015-11-25 | 中国科学院工程热物理研究所 | Liquid parameter measuring system |
| CN106918534A (en) * | 2017-04-11 | 2017-07-04 | 立邦涂料（中国）有限公司 | A kind of rheology detection method of varnish |
-
2017
- 2017-12-22 CN CN201711406046.3A patent/CN108225980A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4038552B2 (en) * | 2005-02-04 | 2008-01-30 | 学校法人高知工科大学 | Viscosity measuring device |
| EP2746745A1 (en) * | 2012-12-18 | 2014-06-25 | Kao Germany GmbH | Viscometer and method for measuring the viscosity of a fluid |
| CN105092415A (en) * | 2015-09-02 | 2015-11-25 | 中国科学院工程热物理研究所 | Liquid parameter measuring system |
| CN106918534A (en) * | 2017-04-11 | 2017-07-04 | 立邦涂料（中国）有限公司 | A kind of rheology detection method of varnish |
Non-Patent Citations (4)
| Title |
|---|
| 刘隆鉴 等: "《大学物理实验》", 31 January 1997, 成都科技大学出版社 * |
| 张佳程 等: "《食品质地学》", 31 March 2010, 中国轻工业出版社 * |
| 张小娟 等: "浅谈涂料黏度测定原理和检测方法", 《涂料技术与文摘》 * |
| 青少年科技活动大全编委会: "《青少年科技活动大全》", 31 March 1999, 上海科技教育出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rafaï et al. | Spreading of non-Newtonian fluids on hydrophilic surfaces | |
| Wang et al. | Flow patterns and draining films created by horizontal and inclined coherent water jets impinging on vertical walls | |
| CN108225980A (en) | A kind of rheology detection method of varnish | |
| CN204807029U (en) | Friction angular measurement appearance | |
| CN104064291B (en) | A kind of enamelled wire painting device and method of lacquering | |
| CN105157537A (en) | Method and device for measuring frictional angles of rock sample | |
| CN205352476U (en) | Flow rate measuring device | |
| CN104722448B (en) | The manufacturing method of apparatus for coating and coated film | |
| CN106548470A (en) | A kind of method that application CT calculates the rule-of-thumb relation of sherwood number between gas-liquid in porous media | |
| CN1894534A (en) | Coated pipes for conveying oil | |
| JP2020032366A (en) | Powder coating method of powder epoxy resin coating, and manufacturing method of powder coated steel pipe | |
| CN102206836A (en) | Method and device for measuring aluminum liquid level fluctuation and polar distance of aluminum cell | |
| CN207845132U (en) | A kind of production lubricating oil filling apparatus | |
| CN206168699U (en) | Ejection point mucilage binding is put | |
| CN210293977U (en) | Four cup viscometer convenient to adjust height | |
| CN107921461A (en) | To the applying device and coating method of curved surface base material coating liquid coating | |
| CN106670068B (en) | A kind of method of dip-coating chip components and parts external electrode | |
| CN106918534B (en) | A kind of rheology detection method of varnish | |
| CN204018121U (en) | FPC is sealing equipment in batches | |
| CN105196177A (en) | Method for detecting inclination degree of wafer chuck plate | |
| CN207502410U (en) | A kind of metal sticker detection device | |
| CN109944582B (en) | Method for analyzing position of stratum containing fractures in shaft | |
| CN204202705U (en) | A kind of aluminum paste storage tank liquid level buoy | |
| CN104406890A (en) | Method for measuring surface tension coefficient of liquid through discharging liquid by hollow cylinder | |
| CN204330523U (en) | Be suitable for the determinator of polyacrylamide screen factor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |