CN109017053A - A kind of blackboard maintenance process - Google Patents

A kind of blackboard maintenance process Download PDF

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Publication number
CN109017053A
CN109017053A CN201810790488.0A CN201810790488A CN109017053A CN 109017053 A CN109017053 A CN 109017053A CN 201810790488 A CN201810790488 A CN 201810790488A CN 109017053 A CN109017053 A CN 109017053A
Authority
CN
China
Prior art keywords
blackboard
protective coating
panel
maintenance process
blackboard panel
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
Application number
CN201810790488.0A
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Chinese (zh)
Inventor
王小兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810790488.0A priority Critical patent/CN109017053A/en
Publication of CN109017053A publication Critical patent/CN109017053A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • B43L1/10—Writing surfaces thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

The present invention relates to a kind of blackboard maintenance processes, including use clean water cleaning blackboard panel, use air-heater purging blackboard panel, prepare protective coating and brush one layer of protective coating on blackboard panel；The beneficial effects of the present invention are: use technical solution provided by the invention, by periodically carrying out maintenance work to blackboard, blackboard panel is purged using hot wind, it is beneficial to prevent blackboard dampness, blackboard inner materials are made to keep stablizing, blackboard panel is set to keep good writing quality, further through regularly brushing protective coating, protective coating makes blackboard panel maintain preferable roughness, the blackboard paint that aging falls off on blackboard panel is made up, convenient for chalk-writing, blackboard service life is extended to the maximum extent, there is blackboard panel after maintenance work handwriting to be easy to wipe, it is non-reflective, non-slip advantage, be conducive to protect student eyesight, it improves the quality of teaching, the input cost in terms of fixed assets is saved for school.

Description

A kind of blackboard maintenance process
Technical field
The invention belongs to teaching aid technical field more particularly to a kind of blackboard maintenance processes.
Background technique
Blackboard is widely used teaching aid in existing Activities for Teaching, prepares material mainly with steel alloy Plate, ground glass, plank, concrete and various novel composite materials are made, the basic structure of existing blackboard be all It is coated with wear-resisting writing coating in the plate face of certain material, certain size is then made as needed for using, when use be unable to do without Chalk and the pen for having similar functions.However, there is no to blackboard for relevant departments of school at present in the use process of blackboard Maintenance work reinforce pay attention to, this leverages the service life of blackboard, especially in certain areas, due to being in for a long time In rainwater weather environment, when being especially in plum rain season, blackboard is used in the classroom in the Stall of teaching building, due to air Humidity is very big, a large amount of steam of Chang Kejian or droplet on blackboard surface, very big for the writing influence of letter written with chalk, certainly using letter written with chalk Oneself is fuzzy can not even to write, very big on the learning life of the teaching of teacher and student influence, therefore, in the daily of blackboard It must reinforce the maintenance work to blackboard in use, to extend the service life of blackboard, maximumlly to play making for blackboard Use effect.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of blackboard maintenance processes.
The present invention provides a kind of blackboard maintenance processes, comprising the following steps:
Step 1: cleaning blackboard panel using clean water, removes all sundries on blackboard panel；
Step 2: according to from centre to two sides, sequence from top to bottom purges blackboard panel using air-heater, And dry the water adhered on blackboard panel, so that blackboard surface is naturally cooled to room temperature；
Step 3: it prepares protective coating: taking following raw material according to mass fraction:
Polyacrylate resin: 10~80 parts；
Titanium dioxide: 1~20 part；
Carbon black: 0.1~2.5 part；
Black oxidation iron powder: 5~20 parts；
Silica flour: 3~25 parts；
Calcium carbonate: 4~16 parts；
Glycerol: 1~5 part；
Dispersing agent: 2~8 parts；
Levelling agent: 0.1~2.5 part；
Adhesion promoter: 0.1~3 part；
Anti-settling agent: 1~10 part；
Thickener: 0.1~3 part；
Water: 10~50 parts；
When being stirred evenly after above-mentioned each raw material is mixed, then carrying out being ground to paste to the above-mentioned raw material stirred evenly, system Obtain protective coating；
Step 4: one layer brushing protective coating: is brushed on the blackboard panel after being cooled to room temperature described in step 2 Then protective coating described in step 3 makes blackboard continue storage 1 day or more, maintenance terminates.
Blackboard panel is cleaned using clean water described in step 1, it is described cleaning water pressure be 1.2MPa~ 1.5Mpa, water temperature are 5 DEG C~15 DEG C.
Blackboard panel is purged using air-heater described in step 2, the air-heater output hot air source pressure is 0.4MPa~0.6Mpa, hot wind source temperature are 110 DEG C~130 DEG C, and air-heater delivery outlet is relative to the distance between blackboard panel For 50mm~80mm, air-heater movement speed is 40mm/s~60mm/s.
During preparing protective coating described in step 3, each raw material be mixed the duration be 60min~ 90min。
Protective coating described in step 3 is prepared from it up in use, the protective coating stores interval time not Greater than 30min.
In the step of brushing protective coating described in step 4, the material quantity of the protective coating are as follows: 1kg/m2~ 1.5kg/m2。
The step of brushing protective coating described in step 4 further include: after the protective coating brushing finishes, use Plank sets up sunshade on blackboard periphery, for preventing blackboard to be exposed to the sun during storage.
The blackboard maintenance process frequency of usage is 2 times/year~3 times/year.
The beneficial effects of the present invention are: technical solution provided by the invention is used, by periodically conserving to blackboard Operation purges blackboard panel using hot wind, is beneficial to prevent blackboard dampness, makes blackboard inner materials keep stablizing, makes blackboard plate Face keeps good writing quality, and further through regularly brushing protective coating, protective coating maintains blackboard panel preferably Roughness makes up the blackboard paint that aging falls off on blackboard panel, is convenient for chalk-writing, extends to the maximum extent black There is handwriting to be easy to wipe for plate service life, the blackboard panel after maintenance work, non-reflective, non-slip advantage, Be conducive to protect student eyesight, improve the quality of teaching, saves the input cost in terms of fixed assets for school.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
Technical solution of the present invention is described further below in conjunction with attached drawing, but required protection scope does not limit to In described；
The present invention provides a kind of blackboard maintenance processes, as shown in Figure 1, comprising the following steps:
Step 1: cleaning blackboard panel using clean water, removes all sundries on blackboard panel；
Step 2: according to from centre to two sides, sequence from top to bottom purges blackboard panel using air-heater, And dry the water adhered on blackboard panel, so that blackboard surface is naturally cooled to room temperature；Further, it is used in step 1 Clean water cleans blackboard panel, and clean water pressure is 1.2MPa~1.5Mpa, and water temperature is 5 DEG C~15 DEG C.
Further, blackboard panel is purged using air-heater in step 2, air-heater output hot air source pressure is 0.4MPa~0.6Mpa, hot wind source temperature are 110 DEG C~130 DEG C, and air-heater delivery outlet is relative to the distance between blackboard panel For 50mm~80mm, air-heater movement speed is 40mm/s~60mm/s.
Step 3: it prepares protective coating: taking following raw material according to mass fraction:
Polyacrylate resin: 10~80 parts；
Titanium dioxide: 1~20 part；
Carbon black: 0.1~2.5 part；
Black oxidation iron powder: 5~20 parts；
Silica flour: 3~25 parts；
Calcium carbonate: 4~16 parts；
Glycerol: 1~5 part；
Dispersing agent: 2~8 parts；
Levelling agent: 0.1~2.5 part；
Adhesion promoter: 0.1~3 part；
Anti-settling agent: 1~10 part；
Thickener: 0.1~3 part；
Water: 10~50 parts；
When being stirred evenly after above-mentioned each raw material is mixed, then carrying out being ground to paste to the above-mentioned raw material stirred evenly, system Obtain protective coating；
Further, during preparing protective coating in step 3, each raw material be mixed the duration be 60min~ 90min.Protective coating is prepared from it up in use, protective coating stores interval time no more than 30min.
Step 4: one layer of step brushing protective coating: is brushed on the blackboard panel after being cooled to room temperature in step 2 Then three protective coatings make blackboard continue storage 1 day or more, maintenance terminates.Further, brushing protective coating in step 4 In step, the material quantity of protective coating are as follows: 1kg/m2~1.5kg/m2.In step 4 the step of brushing protective coating further include: After protective coating brushing finishes, set up sunshade on blackboard periphery using plank, for prevent blackboard during storage by To being exposed to the sun.
Further, blackboard maintenance process frequency of usage of the present invention is 2 times/year~3 times/year.
Using technical solution provided by the invention, by periodically carrying out maintenance work to blackboard, blackboard is purged using hot wind Plate face is beneficial to prevent blackboard dampness, makes blackboard inner materials keep stablizing, blackboard panel is made to keep good writing quality, Further through regularly brushing protective coating, protective coating makes blackboard panel maintain preferable roughness, on blackboard panel The blackboard paint that aging falls off is made up, and is convenient for chalk-writing, is extended blackboard service life to the maximum extent, is made by maintenance There is blackboard panel after industry handwriting to be easy to wipe, non-reflective, non-slip advantage, is conducive to protect student eyesight, mention High quality of instruction saves the input cost in terms of fixed assets for school.

Claims (8)

1. a kind of blackboard maintenance process, it is characterised in that: the following steps are included:
Step 1: cleaning blackboard panel using clean water, removes all sundries on blackboard panel；
Step 2: according to from centre to two sides, sequence from top to bottom is purged blackboard panel using air-heater, and will The water drying adhered on blackboard panel, then makes blackboard surface naturally cool to room temperature；
Step 3: it prepares protective coating: taking following raw material according to mass fraction:
Polyacrylate resin: 10~80 parts；
Titanium dioxide: 1~20 part；
Carbon black: 0.1~2.5 part；
Black oxidation iron powder: 5~20 parts；
Silica flour: 3~25 parts；
Calcium carbonate: 4~16 parts；
Glycerol: 1~5 part；
Dispersing agent: 2~8 parts；
Levelling agent: 0.1~2.5 part；
Adhesion promoter: 0.1~3 part；
Anti-settling agent: 1~10 part；
Thickener: 0.1~3 part；
Water: 10~50 parts；
When stirring evenly after above-mentioned each raw material is mixed, then carrying out being ground to paste to the above-mentioned raw material stirred evenly, it is made anti- Protect coating；
Step 4: one layer of step brushing protective coating: is brushed on the blackboard panel after being cooled to room temperature described in step 2 Then three protective coatings make blackboard continue storage 1 day or more, maintenance terminates.
2. a kind of blackboard maintenance process as described in claim 1, it is characterised in that: using clean water to black described in step 1 Plate plate face is cleaned, and the cleaning water pressure is 1.2MPa~1.5Mpa, and water temperature is 5 DEG C~15 DEG C.
3. a kind of blackboard maintenance process as claimed in claim 2, it is characterised in that: using air-heater to black described in step 2 Plate plate face is purged, and air-heater output hot air source pressure is 0.4MPa~0.6Mpa, and hot wind source temperature is 110 DEG C~ 130 DEG C, air-heater delivery outlet is 50mm~80mm relative to the distance between blackboard panel, and air-heater movement speed is 40mm/s ~60mm/s.
4. a kind of blackboard maintenance process as described in claim 1, it is characterised in that: prepare protective coating described in step 3 In the process, the duration is mixed as 60min~90min in each raw material.
5. a kind of blackboard maintenance process as described in claim 1, it is characterised in that: protective coating described in step 3 is made from it It is standby to obtain up in use, the protective coating, which stores interval time, is not more than 30min.
6. a kind of blackboard maintenance process as described in claim 1, it is characterised in that: brushing protective coating described in step 4 In step, the material quantity of the protective coating are as follows: 1kg/m2~1.5kg/m2。
7. a kind of blackboard maintenance process as described in claim 1, it is characterised in that: brushing protective coating described in step 4 Step further include: after the protective coating brushing finishes, sunshade is set up on blackboard periphery using plank, it is black for preventing Plate is exposed to the sun during storage.
8. a kind of blackboard maintenance process as described in claim 1, it is characterised in that: the blackboard maintenance process frequency of usage is 2 times/year~3 times/year.
CN201810790488.0A 2018-07-18 2018-07-18 A kind of blackboard maintenance process Pending CN109017053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810790488.0A CN109017053A (en) 2018-07-18 2018-07-18 A kind of blackboard maintenance process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810790488.0A CN109017053A (en) 2018-07-18 2018-07-18 A kind of blackboard maintenance process

Publications (1)

Publication Number Publication Date
CN109017053A true CN109017053A (en) 2018-12-18

Family

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Family Applications (1)

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CN201810790488.0A Pending CN109017053A (en) 2018-07-18 2018-07-18 A kind of blackboard maintenance process

Country Status (1)

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CN (1) CN109017053A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111976344A (en) * 2020-08-31 2020-11-24 福州神罗信息技术有限公司 Projectable blackboard and its making equipment

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1235176A (en) * 1999-05-11 1999-11-17 王跃峰 Blackboard made from polymer materials
CN101712843A (en) * 2009-12-29 2010-05-26 谢立华 Color paste for environment-friendly blackboard coating and preparation method of special maintenance coating for environment-friendly blackboard
CN101781500A (en) * 2010-02-05 2010-07-21 谢立华 Color paste for green blackboard coating and method for manufacturing coating special for maintaining green blackboard
CN102533066A (en) * 2011-01-07 2012-07-04 谢立华 Manufacturing method of silver gray matt projection/writing board and manufacturing method of baking coating thereof
CN203611609U (en) * 2013-12-20 2014-05-28 侯桂云 Remote control type automatic-clearing blackboard
US20140272917A1 (en) * 2013-03-13 2014-09-18 Glass Unlimited Of High Point, Inc. Glass non-glare marker board
CN104139645A (en) * 2014-08-04 2014-11-12 石家庄科达文教用品有限公司 Stoving varnish writing board and preparing method for stoving varnish writing board
CN104385816A (en) * 2014-11-06 2015-03-04 仁怀市育人中学 Automatic erasing blackboard
US20150158325A1 (en) * 2013-12-10 2015-06-11 Crayola, Llc Special-effects surfaces

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1235176A (en) * 1999-05-11 1999-11-17 王跃峰 Blackboard made from polymer materials
CN101712843A (en) * 2009-12-29 2010-05-26 谢立华 Color paste for environment-friendly blackboard coating and preparation method of special maintenance coating for environment-friendly blackboard
CN101781500A (en) * 2010-02-05 2010-07-21 谢立华 Color paste for green blackboard coating and method for manufacturing coating special for maintaining green blackboard
CN102533066A (en) * 2011-01-07 2012-07-04 谢立华 Manufacturing method of silver gray matt projection/writing board and manufacturing method of baking coating thereof
US20140272917A1 (en) * 2013-03-13 2014-09-18 Glass Unlimited Of High Point, Inc. Glass non-glare marker board
US20150158325A1 (en) * 2013-12-10 2015-06-11 Crayola, Llc Special-effects surfaces
CN203611609U (en) * 2013-12-20 2014-05-28 侯桂云 Remote control type automatic-clearing blackboard
CN104139645A (en) * 2014-08-04 2014-11-12 石家庄科达文教用品有限公司 Stoving varnish writing board and preparing method for stoving varnish writing board
CN104385816A (en) * 2014-11-06 2015-03-04 仁怀市育人中学 Automatic erasing blackboard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111976344A (en) * 2020-08-31 2020-11-24 福州神罗信息技术有限公司 Projectable blackboard and its making equipment

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Application publication date: 20181218

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