CN102756529A - Manufacturing method of matte novel electronic whiteboard - Google Patents
Manufacturing method of matte novel electronic whiteboard Download PDFInfo
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- CN102756529A CN102756529A CN2011101056725A CN201110105672A CN102756529A CN 102756529 A CN102756529 A CN 102756529A CN 2011101056725 A CN2011101056725 A CN 2011101056725A CN 201110105672 A CN201110105672 A CN 201110105672A CN 102756529 A CN102756529 A CN 102756529A
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- electronic whiteboard
- novel electronic
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Abstract
The invention discloses a novel-technology and novel-process manufacturing method of a matte novel electronic whiteboard. According to the invention, unsaturated polyester gel-coat resin, a curing agent and an auxiliary agent are sufficiently mixed; the mixture is subjected to hot pre-curing; under an automatic on-line rolling direct-molding process technology controlled by curing temperature, glass fiber cloth (felt) and mixed liquid gum resin are bonded and composed; after high-temperature curing, the fiber cloth (felt) and enhanced thermosetting macromolecular resin are bonded and impregnated, such that an integral composite material is directly molded, and the electronic whiteboard is obtained. A surface layer (gel coat layer) with a thickness of 3-7mum can be formed on a panel substrate. The surface gel coat layer is advantaged in high strength, scratch resistance, a service life of 15 years, no aging, and no yellowing.
Description
Technical field
The present invention relates to a kind of preparation method of electronic whiteboard, especially a kind of new technology of inferior light novel electronic whiteboard, new technology preparation method.
Background technology
The general polymer composites such as a kind of high-density resin compressive plate or fireproof panel that adopt of the baseplate material that the ordinary electronic blank panel that existing inferior photosensitiveness adhesive film type electronic whiteboard panel of producing both at home and abroad or office/training organization use uses.Because the suitable water-based of substrate itself or oil pen write and have the light wave reflective functions,, avoid reflecting under visible light or the instruments used for education/projecting apparatus linear light radiation thereby play so play the one deck that on substrate surface, bonds again to have the surperficial PET mucous membrane (du pont company product) of inferior photosensitiveness; Make panel surface manifest not reflective (inferior light), reach and write and clean the extinction effect that does not stay the pen touch mark after the cleaning, be implemented in the dissimilar best result of use of electronic whiteboard panel of use on the difference in functionality; The PET mucous membrane that this kind has an inferior photosensitiveness at home on the market product sold mainly be to rely on external imported product; Cost higher (80-150 unit/more than every square metre) is added one deck fire-proof board or other material sheet material and is made matrix and support, and under excess pressure, makes multi-layered board compound suppressing moulding again; It is more to manufacture operation like this; Operation is complicated with control, and the automated production degree is low, leans on manual the completion basically; Time-consuming taking a lot of work; Product percent of pass is low, and production efficiency is low, causes production cost too high.
Based on the production Technology and the practical situation of above electronic whiteboard panel, press for a kind of new technology, new technology and make low cost new electronic whiteboard panel with inferior photosensitiveness.The present invention's invention is successfully developed not need to use again and is pasted inferior photosensitiveness (PET) adhesive film of one deck after process lot of materials modification experiment and technology improvement, and the mute light novel electronic whiteboard panel that the light effect of making mute can directly appear at surperficial gel coating resin.Adopt the continuous impregnating under control precuring temperature and the multiaxis roll extrusion earlier and solidify and carry out simultaneously, direct-on-line roll extrusion composite molding technique technology, the cloth (felt) of passing through hot setting again strengthens unsaturated polyester (UP) and makes the formation thick superficial layer of one deck 3-7um (being gel coating resin) on the thermoset macromolecule material substrate; Improve through control solidification temperature and different composite technology, material prescription then, make surperficial gel coating resin and thermoset macromolecule material substrate bonding and dipping, thus integral formed; The composition of control surface gel coating resin, structure and morphological feature then can reach the type of writing, mute photoinduction touch-type respectively and promptly be fit to write, and have again to be prone to clean; Be fit to the mute light effect of human eye vision, promptly the novel electronic whiteboard panel of three kinds of difference in functionality types such as " universal " has been simplified and has been manufactured operation; Realize simultaneously automation mechanized operation and control in real time again; Improved properties of product and production efficiency, surface (gel coating resin) intensity height, anti-cut, service life can reach 15 years, and is not aging; Xanthochromia not; Product percent of pass improves, and significantly reduces product cost, meets low-carbon economy/energy-conserving and environment-protective and plays and ask.
Summary of the invention
The present invention adopts unsaturated polyester (UP) gel coating resin and abundant hot dipping stain of curing agent and precuring; Automatic online roll extrusion under the control of precuring temperature simultaneously is bonding and dipping continuously; Direct composite molding technique technology strengthens thermoset macromolecule material directly bonding and dipping in cloth (felt) after finally passing through hot setting again, thus the integrated electronic whiteboard panel of composite molding; Form the thick superficial layer of one deck 3-7um (gel coating resin) on the display panel substrate; The surface gel coating resin has intensity height, anti-cut, service life and reaches 15 years, and is aging, not xanthochromia.
The invention provides a kind of preparation method of inferior light novel electronic whiteboard, comprise the steps:
(a) be that 60%-95% unsaturated polyester (UP) gel coating resin, 0.3-10% curing agent and auxiliary agent mix fully mixing and hot precuring with weight ratio;
(b) high-speed stirred 30-160 minute, rotating speed was 50-60 rev/min;
(c) in the temperature controlled automatic online of precuring direct roll forming technology lower-glass cloth (felt) and mixing material gum resin bonding and compound, mixing material gum resin thickness is 2-10um;
(d) heat is solidified, and temperature is the 120-140 degree;
(e) carry and cut, pack.
Through the electronic whiteboard panel that the integrated composite of inferior light novel electronic whiteboard straight forming of above-mentioned steps formation is made, the light wave refractive index is 20%-25%.
Preferably the described mixture of (a) step is that 65%-87% unsaturated polyester (UP) gel coating resin, 0.5-3.8% curing agent, 3-10% organo-silicon compound, 2-7% fluorocarbon resin are formed by weight ratio mainly.
Preferably the mixing time of (b) step is 50-60 minute, and rotating speed is 80-90 rev/min.
Preferably the described thickness of (c) step is 3-7um.
Preferably the described mixture of (a) step is that the inferior light powder of 65%-89% unsaturated polyester (UP) gel coating resin, 0.5-7% curing agent, 7%-18% is formed by weight ratio mainly.
Preferably the mixing time of (b) step is 90 minutes, and rotating speed is 100-120/ minute.
Preferably the described thickness of (c) step is 4-9um.
Preferably the described mixture of (a) step is that the inferior light powder of 60%-85% unsaturated polyester (UP) gel coating resin, 0.3-5.5% curing agent, 2-15% organo-silicon compound, 5%-15% is formed by weight ratio mainly.
Preferably the mixing time of (b) step is 120 minutes, and rotating speed is 1800 rpms.
The invention provides another kind of scheme is that inferior light novel electronic whiteboard is in the application in fields such as high-end teaching, business meetings such as school instruction, business office, training organization, infrared ray touch, infrared induction, projection teaching, councils of war.
The new material of inferior light novel electronic whiteboard provided by the invention, new technology preparation method have been simplified and have been manufactured operation, but realize automation mechanized operation and control in real time simultaneously again; Improved properties of product and production efficiency, surface (gel coating resin) intensity height, anti-cut, service life can reach 15 years, and is not aging; Xanthochromia not; Product percent of pass improves, and significantly reduces product cost, meets low-carbon economy/energy-conserving and environment-protective and plays and ask.
The specific embodiment
Do further detailed explanation in the face of the present invention down.
Embodiment 1
A kind of preparation method of inferior light novel electronic whiteboard comprises the steps:
With weight ratio is 65%-87% unsaturated polyester (UP) gel coating resin, 0.5-3.8% curing agent, 3-10% organo-silicon compound, 2-7% fluorocarbon resin composition mixture;
High-speed stirred 50-60 minute, rotating speed was 80-90/ minute;
Being coated on continuous fiber cloth (felt) after fully mixing strengthens on the thermoset macromolecule material blank substrate of unsaturated polyester resin preparation; Pass through 120-140 ℃ of hot setting moulding again; The direct molding bonded of thermosetting polymer composite blank substrate that gel coating resin/cloth (felt) strengthens unsaturated polyester (UP) formation is an one; Thereby on the electronic whiteboard panel surface, form the gel coating resin of the thick curing of one deck 3-7um
Carry and cut, pack.
The light wave refractive index of the inferior light novel electronic whiteboard that forms through above-mentioned steps is 20%-25%.
Very low, the easy scouring of inferior light novel electronic whiteboard surface adhesion force that forms through said method leaves no trace, and is applicable to blank pen Free Writing in its surface, and is prone to clean; Lubricity is good, and the one deck that can not stay written trace on the whiteboard surface adheres to gel coating resin, can use blank hairbrush and cleaning agent or the repeatedly wiping repeatedly of wet cloth; Reach the wiped clean effect easily; Can reach 15 years service life, not aging, not xanthochromia.This novel electronic whiteboard panel is suitable as fields such as school instruction, business office, training organization and uses.
Embodiment 2
A kind of preparation method of inferior light novel electronic whiteboard comprises the steps:
With weight ratio is 60%-85% unsaturated polyester (UP) gel coating resin, 0.3-5.5% curing agent, 2-15% organo-silicon compound, the inferior light powder of 5%-15% composition mixture;
High-speed stirred 120 minutes, rotating speed are 1800 rpms;
Being coated on continuous fiber cloth (felt) after fully mixing strengthens on the thermosetting polymer composite blank substrate of unsaturated polyester resin preparation; 120-140 ℃ of hot setting; The direct molding bonded of thermosetting polymer composite blank panel that gel coating resin/cloth (felt) strengthens unsaturated polyester (UP) formation is an one; Wherein the mute light powder in gel coating resin (urea aldehyde condensation resin) can disperse to form the intimate ball-type group particle of 5-8um; This particle has relative higher specific surface area and interporal lacuna volume, played effective extinction effect.Because the matt structure of this special polymer composite makes that inferior photosensitiveness can be fully accomplished in the electronic whiteboard panel;
Carry and cut, pack.
The light wave refractive index of the inferior light novel electronic whiteboard that forms through above-mentioned steps is 20%-25%.
This electronic whiteboard panel can wiped clean, and can reach 15 years service life, and aging, xanthochromia is not fit to be applied in high-end teaching, business meetings fields such as infrared ray touch, infrared induction, projection teaching, council of war.
Embodiment 3
A kind of preparation method of inferior light novel electronic whiteboard comprises the steps:
With weight ratio is 65%-89% unsaturated polyester (UP) gel coating resin, 0.5-7% curing agent, the inferior light powder composition of 7%-18%, mixture;
High-speed stirred 90 minutes, rotating speed are 100-120 rev/min;
Being coated on continuous fiber cloth (felt) after fully mixing strengthens on the thermosetting polymer composite blank substrate of unsaturated polyester resin preparation; 120-140 degree hot setting; The direct molding bonded of thermosetting polymer composite blank panel that gel coating resin/cloth (felt) strengthens unsaturated polyester (UP) formation is an one; Adopt the 60-70 minute hardening time that prolongs electronic whiteboard panel surface gel coating resin; Keep the suitable concavo-convex sense of slightly making, can reach both suitable and write, have the effect of mute light again simultaneously.
Carry and cut, pack.
The light wave refractive index of the inferior light novel electronic whiteboard that forms through above-mentioned steps is 20%-25%.
This electronic whiteboard panel had both needed to write on writing and teaching or the business meetings for some; Touch, respond to, reach demonstration through infrared ray again by means of functions such as projection device teaching, product demonstrations; The double effects that exchanges; Also convenience is provided, thereby has also reached aim of saving for the customer group of difference in functionality demand provides optionally to use.
Embodiment 4
Inferior light novel electronic whiteboard is detected, and experimental result is following:
Table 1 experimental result
| Sequence number | The test event title | Unit | Test result | The test foundation |
| 1 | Hot strength | Mpa | 131 | GB/T1447-2005 |
| 2 | Impact flexibility | KJ/m2 | 117 | GB/T1451-2005 |
| 3 | Density | Kg/m3 | 1488 | GB/T1463-2005 |
| 4 | Bending strength | Mpa | 188 | GB/T1449-2005 |
| 5 | Wear-resistant | ％ | 1.86 | GB/T1447 |
Above content is to combine the structure of the present invention and the course of work to its further explain of doing, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (10)
1. the new technology of an inferior light novel electronic whiteboard, new technology preparation method comprise the steps:
(a) be that 60%-95% unsaturated polyester (UP) gel coating resin, 0.3-10% curing agent and auxiliary agent mix fully mixing and hot precuring with weight ratio;
(b) high-speed stirred 30-160 minute, rotating speed was 50-60 rev/min;
(c) automatic online roll extrusion straight forming technology lower-glass cloth (felt) under solidification temperature control and mixing material gum resin bonding and compound, mixing material gum resin thickness is 2-10um;
(d) heat is solidified, and temperature is the 120-140 degree;
(e) carry and cut, pack.
Through the electronic whiteboard panel that the integrated composite of inferior light novel electronic whiteboard straight forming of above-mentioned steps formation is made, the light wave refractive index is 20%-25%.
2. the preparation method of inferior light novel electronic whiteboard according to claim 1 is characterized in that: (a) the described mixture of step is that 65%-87% unsaturated polyester (UP) gel coating resin, 0.5-3.8% curing agent, 3-10% organo-silicon compound, 2-7% fluorocarbon resin are formed by weight ratio mainly.
3. the preparation method of inferior light novel electronic whiteboard according to claim 2 is characterized in that: (b) mixing time of step is 50-60 minute, and rotating speed is 80-90 rev/min.
4. according to the preparation method of claim 2 or 3 described inferior light novel electronic whiteboards, it is characterized in that: (c) the described thickness of step is 3-7um.
5. the preparation method of inferior light novel electronic whiteboard according to claim 1 is characterized in that: (a) the described mixture of step is that the inferior light powder of 65%-89% unsaturated polyester (UP) gel coating resin, 0.5-7% curing agent, 7%-18% is formed by weight ratio mainly.
6. the preparation method of inferior light novel electronic whiteboard according to claim 5 is characterized in that: (b) mixing time of step is 90 minutes, and rotating speed is 100-120 rev/min.
7. according to the preparation method of claim 5 or 6 described inferior light novel electronic whiteboards, it is characterized in that: (c) the described thickness of step is 4-9um.
8. the preparation method of inferior light novel electronic whiteboard according to claim 1 is characterized in that: (a) the described mixture of step is that the inferior light powder of 60%-85% unsaturated polyester (UP) gel coating resin, 0.3-5.5% curing agent, 2-15% organo-silicon compound, 5%-15% is formed by weight ratio mainly.
9. the preparation method of inferior light novel electronic whiteboard according to claim 8 is characterized in that: (b) mixing time of step is 120 minutes, and rotating speed is 1800 rev/mins.
10. according to of the application of right 1 described inferior light novel electronic whiteboard in fields such as high-end teaching, business meetings such as school instruction, business office, training organization, infrared ray touch, infrared induction, projection teaching, councils of war.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110105672.5A CN102756529B (en) | 2011-04-27 | 2011-04-27 | Manufacturing method of matte novel electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110105672.5A CN102756529B (en) | 2011-04-27 | 2011-04-27 | Manufacturing method of matte novel electronic whiteboard |
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| Publication Number | Publication Date |
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| CN102756529A true CN102756529A (en) | 2012-10-31 |
| CN102756529B CN102756529B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110105672.5A Expired - Fee Related CN102756529B (en) | 2011-04-27 | 2011-04-27 | Manufacturing method of matte novel electronic whiteboard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059531A (en) * | 2012-12-04 | 2013-04-24 | 赢创德固赛特种化学(上海)有限公司 | Application of white carbon black on preparation of unsaturated polyester resin (UPR) gel coat with extinction effect |
| CN103740071A (en) * | 2013-12-24 | 2014-04-23 | 苏州市木易船舶设备有限公司 | Trash bin and manufacturing method thereof |
| CN109809705A (en) * | 2019-01-31 | 2019-05-28 | 深圳市中暨复合材料有限公司 | A kind of production method of novel chalk board |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038788A (en) * | 1989-03-31 | 1990-01-17 | 陈杰 | Compound grp sheet |
| CN2111852U (en) * | 1991-12-10 | 1992-08-05 | 马绍田 | Blackboard made of glass fibre reinforced plastic |
| CN1789019A (en) * | 2004-12-15 | 2006-06-21 | 谢景志 | Composite board for decoration and its production method and uses |
| CN201099026Y (en) * | 2007-08-31 | 2008-08-13 | 蔡原凯 | Modified soft white plate |
-
2011
- 2011-04-27 CN CN201110105672.5A patent/CN102756529B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059531A (en) * | 2012-12-04 | 2013-04-24 | 赢创德固赛特种化学(上海)有限公司 | Application of white carbon black on preparation of unsaturated polyester resin (UPR) gel coat with extinction effect |
| CN103740071A (en) * | 2013-12-24 | 2014-04-23 | 苏州市木易船舶设备有限公司 | Trash bin and manufacturing method thereof |
| CN109809705A (en) * | 2019-01-31 | 2019-05-28 | 深圳市中暨复合材料有限公司 | A kind of production method of novel chalk board |
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| Publication number | Publication date |
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| CN102756529B (en) | 2015-03-11 |
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Granted publication date: 20150311 Termination date: 20170427 |