CN103284526B - Environment-friendly glass mirror and process for manufacturing same - Google Patents
Environment-friendly glass mirror and process for manufacturing same Download PDFInfo
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- CN103284526B CN103284526B CN201310215605.8A CN201310215605A CN103284526B CN 103284526 B CN103284526 B CN 103284526B CN 201310215605 A CN201310215605 A CN 201310215605A CN 103284526 B CN103284526 B CN 103284526B
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- 239000011521 glass Substances 0.000 title claims abstract description 103
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title abstract description 18
- 239000004831 Hot glue Substances 0.000 claims abstract description 97
- 229910052751 metal Inorganic materials 0.000 claims abstract description 85
- 239000002184 metal Substances 0.000 claims abstract description 85
- 239000011241 protective layer Substances 0.000 claims abstract description 38
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims description 196
- 230000007613 environmental effect Effects 0.000 claims description 34
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000010410 layer Substances 0.000 abstract description 9
- 239000003973 paint Substances 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 description 11
- 238000010030 laminating Methods 0.000 description 8
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000007688 edging Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Joining Of Glass To Other Materials (AREA)
Abstract
The invention discloses a process for manufacturing an environment-friendly glass mirror. The process mainly includes a step of arranging a protective layer on a body formed by glass and a metal layer. A hot melt adhesive membrane is adhered on the metal layer of the body in at least two hot roll-press procedures to form the protective layer, each hot roll-press procedure is carried out at the temperature of 50-150 DEG C, each later hot roll-press procedure is carried out at the temperature higher than that of the corresponding early hot roll-press procedure, and the temperature difference between each later hot roll-press procedure and the corresponding early hot roll-press procedure is 20-70 DEG C. The process has the advantages that the problem of blackening of the edge of an existing glass mirror due to oxidation of a metal layer of the existing glass mirror can be solved, the environment-friendly glass mirror manufactured by the process is good in tenacity and high in strength, is non-shattering, and can be used and transported conveniently and safely, the requirement on the service strength can be met even if the environment-friendly glass mirror is made of thin glass, and the manufacturing cost is lowered; the protective layer is formed by the hot melt adhesive membrane without paint, and accordingly the process is low in pollution and is environment-friendly.
Description
Technical field
The present invention relates to a kind of manufacture craft of glass mirror, relate in particular to a kind of environmental protection, durable, safe, use and environmental protection glass mirror and the manufacture craft thereof that can not be oxidized for a long time.
Background technology
Glass mirror is widely used in occasions such as indoor furniture, market, hotels.Now, glass mirror generally adopts glass as substrate, then metal cladding in substrate of glass, then on metal level, apply urushoil and prevent metal level oxidation, thereby form glass mirror.Common glass mirror product is owing to using urushoil as anti oxidation layer, urushoil is as larger in nitroacid urushoil environmental pollution, there are some researches show, nitroacid paint can bring obvious damage to health, so this glass mirror of the prior art has the poor shortcoming of the feature of environmental protection.In addition, the glass mirror that the aforementioned Design and material of available technology adopting is made, because the urushoil arranging is to be only coated on metal level, so after making, within 2-5 days after cutting, processing, edging, will there is the phenomenon that metal level is oxidized and turn black in edge, also there will be blackout phenomenon at other positions that use glass mirror after longer a period of time, as occur black splotch etc.; Even and after cutting, processing, edging, in the short time, there is not the problem of edge blackout in the good product of some quality, at some months to the phenomenon that all can occur edge blackout after half a year.There is above-mentioned phenomenon for fear of product, substantially most manufacturing enterprises all can adopt secondary oil sealing lacquerer order, the lens edge after edging processing is coated with last layer paint again and is sealed, do like this and just make eyeglass there will not be edge blackout phenomenon, can produce higher expense but do like this, and technique is more complicated, also can produce the adverse consequences of secondary pollution environment simultaneously.
The structure of prior art this set glass, metal level, urushoil, security is not high, in the time of transport, storage, use, easily broken, causes loss economically, also can form glass dregs because glass mirror is broken and injure human body; And use required intensity in order to reach, and often need to adopt the glass of larger thickness, cause like this cost of manufacture of glass mirror higher.
As can be seen here, how prior art is improved, a kind of glass mirror and manufacture craft thereof are provided, can avoid the high and environmental protection of intensity simultaneously of edge blackout and cost low, this is the current technical issues that need to address in this area.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the object of the invention is to, a kind of manufacture craft of environmental protection glass mirror is provided, the environmental protection glass mirror making can be avoided edge blackout, and intensity is high, cost is low and environmental pollution is little.Based on this, the present invention also provides a kind of environmental protection glass mirror.
For solving above technical problem, technical scheme of the present invention is:
A kind of manufacture craft of environmental protection glass mirror; comprise the steps:, in the main body being formed by glass and metal level, protective layer is set; described protective layer is fitted in through at least twice hot roll extrusion by hot melt adhesive film on the metal level of main body and forms; each hot roll extrusion all carried out at the temperature of 50 DEG C～150 DEG C; the temperature of rear hot roll extrusion is greater than the temperature of last time hot roll extrusion, and rear time roll extrusion is 20 DEG C～70 DEG C with the temperature difference of roll extrusion last time.
Preferably, described hot melt adhesive film is epoxy resin glued membrane.
Preferably, the interlude of the twice hot roll extrusion in front and back is 20s～35s.
Preferably, described protective layer is fitted in through twice hot roll extrusion by hot melt adhesive film on the metal level of main body and forms, and hot roll extrusion is for the first time carried out at the temperature of 80 DEG C～100 DEG C, and hot roll extrusion is for the second time carried out at the temperature of 120 DEG C～150 DEG C.
Preferably, in the time carrying out hot roll extrusion for the first time, temperature rises to 100 DEG C gradually from 80 DEG C, and in the time carrying out hot roll extrusion for the second time, temperature rises to 150 DEG C gradually from 120 DEG C.
Preferably; described protective layer is fitted in through three hot roll extrusion by hot melt adhesive film on the metal level of main body and forms; hot roll extrusion is for the first time carried out at the temperature of 50 DEG C～60 DEG C; hot roll extrusion is for the second time carried out at the temperature of 80 DEG C～100 DEG C, and hot roll extrusion is for the third time carried out at the temperature of 120 DEG C～150 DEG C.
Preferably, in the time carrying out hot roll extrusion for the first time, temperature rises to 60 DEG C gradually from 50 DEG C; In the time carrying out hot roll extrusion for the second time, temperature rises to 100 DEG C gradually from 80 DEG C; In the time carrying out hot roll extrusion for the third time, temperature rises to 150 DEG C gradually from 120 DEG C.
Preferably, adopt roll extrusion assembly to carry out hot roll extrusion to hot melt adhesive film, the quantity of described roll extrusion assembly is identical with the number of times of hot roll extrusion, and when hot roll extrusion, the rotating speed of adjusting each group of roll extrusion assembly is 2.4～2.8 revs/min.
Preferably, adopt roll extrusion assembly to carry out hot roll extrusion to hot melt adhesive film, the quantity of described roll extrusion assembly is identical with the number of times of hot roll extrusion, and when hot roll extrusion, the rotating speed of adjusting each group of roll extrusion assembly is 2.6 revs/min.
A kind of environmental protection glass mirror of the present invention, is made up of aforesaid manufacture craft.
Compared with prior art; the manufacture craft of environmental protection glass mirror of the present invention; owing to comprising the steps:, in the main body being formed by glass and metal level, protective layer is set; described protective layer is fitted in through at least twice hot roll extrusion by hot melt adhesive film on the metal level of main body and forms; each hot roll extrusion all carried out at the temperature of 50 DEG C～150 DEG C; the temperature of rear hot roll extrusion is greater than the temperature of last time hot roll extrusion, and rear time roll extrusion is 10 DEG C～35 DEG C with the temperature difference of roll extrusion last time, thereby tool has the following advantages:
1, the environmental protection glass mirror that the present invention makes, because hot melt adhesive film forms protective layer through at least twice hot roll extrusion on metal level, the temperature of twice hot roll extrusion is between 50 DEG C～150 DEG C, no matter thereby to make protective layer and metal level and glass be at edge or other middle parts, can both fit well, do not stay gap, and the protective layer forming is smooth, thickness is even, make can well being protected of metal level everywhere, make the air that makes the rear external world be difficult to enter from edge, avoid metal level problem oxidized and that turn black in edge appearance completely, even if use for a long time, edge and other metal levels everywhere also can be protected problem not oxidized and appearance blackout well,
2, the present invention is owing to forming protective layer by roll extrusion hot melt adhesive film on metal level, urushoil layer is set on metal level than prior art, toughness is better, intensity is higher, and the glass mirror obtaining is non-friable, uses and transport more convenient, safety, in addition, can select thinner glass to make glass mirror, also can meet same working strength requirement, so greatly reduce the cost of manufacture of glass mirror;
3, the present invention, owing to adopting hot melt adhesive film to form protective layer, does not use urushoil as protective layer, so can not produce the environmental pollution because using urushoil to bring, avoids health to damage; Sealed because the lens edge after edging processing need not be coated with last layer paint again, so that eyeglass there will not be edge blackout phenomenon, so can not produce other processing charges, avoided producing the adverse consequences of secondary pollution environment.
Brief description of the drawings
Fig. 1 is the flow chart of the manufacture craft of environmental protection glass mirror of the present invention;
Fig. 2 is the structural representation of the glass mirror that makes of the manufacture craft of environmental protection glass mirror of the present invention;
Fig. 3 is the flow chart of the manufacture craft embodiment mono-～embodiment tri-of environmental protection glass mirror of the present invention;
Fig. 4 is the manufacture craft embodiment tetra-of environmental protection glass mirror of the present invention, the flow chart of embodiment five.
Detailed description of the invention
For making technical scheme of the present invention clearer, come by specific embodiment below in conjunction with accompanying drawing that the present invention is described in detail.
The manufacture craft of environmental protection glass mirror of the present invention, comprises the steps:
Prepare glass; metal cladding on the bottom of glass; form main body; on the metal level of main body, form protective layer; wherein protective layer is fitted in through at least twice hot roll extrusion by hot melt adhesive film on the metal level of main body and forms; each hot roll extrusion all carried out at the temperature of 50 DEG C～150 DEG C, and the temperature of rear time hot roll extrusion is greater than the temperature of last time hot roll extrusion, and rear time roll extrusion is 20 DEG C～70 DEG C with the temperature difference of roll extrusion last time.
Wherein, the number of times that carries out hot roll extrusion can be twice, can be also more than twice, as three times, four inferior.
Most preferably, for carrying out three hot roll extrusion, make the hot melt adhesive film can be well and metal level laminating, the protective layer of formation be smooth, it is tight, firm with the combination of metal level to block.
Referring to Fig. 2, the environmental protection glass mirror that the present invention forms comprises glassy layer 1, metal level 2, protective layer 3.
Embodiment mono-
Referring to Fig. 3, in the present embodiment, the manufacture craft of environmental protection glass mirror comprises the steps:
1, prepare glass, glass two sides is cleaned up and dried;
2,, at ready glass bottom side metal cladding, form main body;
3, hot melt adhesive film is carried out on the metal level of main body to hot roll extrusion for the first time:
Hot melt adhesive film is placed in to main body top, adopt two groups of roll extrusion assemblies to carry out twice hot roll extrusion to hot melt adhesive film, the metal level of hot melt adhesive film and main body carries out roll extrusion for the first time during through first group of roll extrusion assembly, when roll extrusion for the first time, the temperature of first group of roll extrusion assembly is 80 DEG C, the rotating speed of first group of roll extrusion assembly is 2.6 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can fit with the metal level of main body, can successfully extend forward again and not run-down,
4, the hot melt adhesive film being fitted on metal level is carried out to hot roll extrusion for the second time, forms protective layer:
After the hot roll extrusion for the first time of first group of roll extrusion assembly, hot melt adhesive film is fitted in and on the metal level of main body, is transported to second group of roll extrusion assembly and carries out hot roll extrusion for the second time, the temperature of hot roll extrusion is for the second time 130 DEG C, the rotating speed of second group of roll extrusion assembly is 2.6 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can with the metal level laminating of main body, can successfully extend forward again and not run-down.
Wherein, hot melt adhesive film can be selected hot melt adhesive film of the prior art, preferably adopts epoxy resin glued membrane.
Embodiment bis-
Referring to Fig. 3, in the present embodiment, the manufacture craft of environmental protection glass mirror comprises the steps:
1, prepare glass, glass two sides is cleaned up and dried;
2,, at ready glass bottom side metal cladding, form main body;
3, hot melt adhesive film is carried out on the metal level of main body to hot roll extrusion for the first time:
Hot melt adhesive film is placed in to main body top, adopt two groups of roll extrusion assemblies to carry out twice hot roll extrusion to hot melt adhesive film, the metal level of hot melt adhesive film and main body carries out roll extrusion for the first time during through first group of roll extrusion assembly, when roll extrusion for the first time, the temperature of first group of roll extrusion assembly is 90 DEG C, the rotating speed of first group of roll extrusion assembly is 2.5 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can fit with the metal level of main body, can successfully extend forward again and not run-down,
4, the hot melt adhesive film being fitted on metal level is carried out to hot roll extrusion for the second time, forms protective layer:
After the hot roll extrusion for the first time of first group of roll extrusion assembly, hot melt adhesive film is fitted in and on the metal level of main body, is transported to second group of roll extrusion assembly and carries out hot roll extrusion for the second time, the temperature of hot roll extrusion is for the second time 120 DEG C, the rotating speed of second group of roll extrusion assembly is 2.5 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can with the metal level laminating of main body, can successfully extend forward again and not run-down.
Wherein, hot melt adhesive film can be selected hot melt adhesive film of the prior art, preferably adopts epoxy resin glued membrane.
Embodiment tri-
Referring to Fig. 3, in the present embodiment, the manufacture craft of environmental protection glass mirror comprises the steps:
1, prepare glass, glass two sides is cleaned up and dried;
2,, at ready glass bottom side metal cladding, form main body;
3, hot melt adhesive film is carried out on the metal level of main body to hot roll extrusion for the first time:
Hot melt adhesive film is placed in to main body top, adopt two groups of roll extrusion assemblies to carry out twice hot roll extrusion to hot melt adhesive film, the metal level of hot melt adhesive film and main body carries out roll extrusion for the first time during through first group of roll extrusion assembly, when roll extrusion for the first time, the temperature of first group of roll extrusion assembly is 100 DEG C, the rotating speed of first group of roll extrusion assembly is 2.7 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can fit with the metal level of main body, can successfully extend forward again and not run-down,
4, the hot melt adhesive film being fitted on metal level is carried out to hot roll extrusion for the second time, forms protective layer:
After the hot roll extrusion for the first time of first group of roll extrusion assembly, hot melt adhesive film is fitted in and on the metal level of main body, is transported to second group of roll extrusion assembly and carries out hot roll extrusion for the second time, the temperature of hot roll extrusion is for the second time 150 DEG C, the rotating speed of second group of roll extrusion assembly is 2.7 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can with the metal level laminating of main body, can successfully extend forward again and not run-down.
Wherein, hot melt adhesive film can be selected hot melt adhesive film of the prior art, preferably adopts epoxy resin glued membrane.
Embodiment tetra-
Referring to Fig. 4, in the present embodiment, the manufacture craft of environmental protection glass mirror comprises the steps:
1, prepare glass, glass two sides is cleaned up and dried;
2,, at ready glass bottom side metal cladding, form main body;
3, hot melt adhesive film is carried out on the metal level of main body to hot roll extrusion for the first time:
Hot melt adhesive film is placed in to main body top, adopt two groups of roll extrusion assemblies to carry out three hot roll extrusion to hot melt adhesive film, the metal level of hot melt adhesive film and main body carries out roll extrusion for the first time during through first group of roll extrusion assembly, when roll extrusion for the first time, the temperature of first group of roll extrusion assembly is 50 DEG C, the rotating speed of first group of roll extrusion assembly is 2.6 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can fit with the metal level of main body, can successfully extend forward again and not run-down,
4, the hot melt adhesive film being fitted on metal level is carried out to hot roll extrusion for the second time:
After the hot roll extrusion for the first time of first group of roll extrusion assembly, hot melt adhesive film is fitted in and on the metal level of main body, is transported to second group of roll extrusion assembly and carries out hot roll extrusion for the second time, the temperature of hot roll extrusion is for the second time 80 DEG C, the rotating speed of second group of roll extrusion assembly is 2.6 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can with the metal level laminating of main body, can successfully extend forward again and not run-down;
5, the hot melt adhesive film being fitted on metal level is carried out to hot roll extrusion for the third time, forms protective layer:
After the hot roll extrusion for the second time of second group of roll extrusion assembly, hot melt adhesive film is fitted in and on the metal level of main body, is transported to the 3rd group of roll extrusion assembly and carries out hot roll extrusion for the third time, the temperature of hot roll extrusion is for the third time 130 DEG C, the rotating speed of the 3rd group of roll extrusion assembly is 2.6 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can with the metal level laminating of main body, can successfully extend forward again and not run-down.
Wherein, hot melt adhesive film can be selected hot melt adhesive film of the prior art, preferably adopts epoxy resin glued membrane.
Embodiment five
Referring to Fig. 4, in the present embodiment, the manufacture craft of environmental protection glass mirror comprises the steps:
1, prepare glass, glass two sides is cleaned up and dried;
2,, at ready glass bottom side metal cladding, form main body;
3, hot melt adhesive film is carried out on the metal level of main body to hot roll extrusion for the first time:
Hot melt adhesive film is placed in to main body top, adopt two groups of roll extrusion assemblies to carry out three hot roll extrusion to hot melt adhesive film, the aluminium lamination of hot melt adhesive film and main body carries out roll extrusion for the first time during through first group of roll extrusion assembly, when roll extrusion for the first time, the temperature of first group of roll extrusion assembly is 60 DEG C, the rotating speed of first group of roll extrusion assembly is 2.8 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can fit with the metal level of main body, can successfully extend forward again and not run-down.
4, the hot melt adhesive film being fitted on metal level is carried out to hot roll extrusion for the second time:
After the hot roll extrusion for the first time of first group of roll extrusion assembly, hot melt adhesive film is fitted in and on the metal level of main body, is transported to second group of roll extrusion assembly and carries out hot roll extrusion for the second time, the temperature of hot roll extrusion is for the second time 95 DEG C, the rotating speed of second group of roll extrusion assembly is 2.8 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can with the metal level laminating of main body, can successfully extend forward again and not run-down;
5, the hot melt adhesive film being fitted on metal level is carried out to hot roll extrusion for the third time, forms protective layer:
After the hot roll extrusion for the second time of second group of roll extrusion assembly, hot melt adhesive film is fitted in and on the metal level of main body, is transported to the 3rd group of roll extrusion assembly and carries out hot roll extrusion for the third time, the temperature of hot roll extrusion is for the third time 145 DEG C, the rotating speed of the 3rd group of roll extrusion assembly is 2.8 revs/min, such rotating speed can stop about approximately 5 seconds the pressure roller of roll extrusion assembly equably on hot melt adhesive film throughout, make hot melt adhesive film can have certain viscosity and can with the metal level laminating of main body, can successfully extend forward again and not run-down.
Wherein, in above embodiment, hot melt adhesive film can be selected hot melt adhesive film of the prior art, preferably adopts epoxy resin glued membrane.
Wherein, the metal level of above embodiment can be aluminium lamination or silver layer etc.
Environmental protection glass mirror of the present invention, can select thinner glass preparation, can reach the intensity that is not less than prior art and adopts the glass mirror making compared with heavy sheet glass, as civilian glass mirror in prior art, adopt the glass of 5mm to make, and adopt manufacture craft of the present invention, and the glass mirror that adopts the glass of 3mm to make, the glass mirror intensity that adopts the glass of 5mm to make with prior art is suitable, so adopt manufacture craft of the present invention, can reduce the cost of manufacture of glass mirror.
Reference examples one
Adopt the technique of prior art to make glass mirror: at the bottom of glass metal cladding, then on metal level, to apply urushoil, make glass mirror.
Reference examples two
At the bottom of glass metal cladding, then on metal level, form protective layer: hot melt adhesive film is only carried out once to hot roll extrusion and on metal level, form protective layer, make glass mirror.
Reference examples three
At the bottom of glass metal cladding; then on metal level, form protective layer: hot melt adhesive film is carried out to twice hot roll extrusion and on metal level, form protective layer, make glass mirror, wherein; the temperature of hot roll extrusion is for the first time 50 DEG C, and the temperature of hot roll extrusion is for the second time 165 DEG C.
Reference examples four
At the bottom of glass metal cladding, then on metal level, form protective layer: hot melt adhesive film is carried out to twice hot roll extrusion and on metal level, form protective layer, make glass mirror, wherein, the temperature of hot roll extrusion is for the first time 45 DEG C, and the temperature of hot roll extrusion is for the second time 60 DEG C.
The glass mirror that the embodiment of the present invention one～embodiment five and reference examples one, two, three, four are made carries out respectively the detecting and assessing of the projects such as following intensity, outward appearance, blackout, and result is as following table 1:
Determination and evaluation result from upper table:
1,, as reference examples one, the glass mirror of available technology adopting urushoil is being made the problem that just there will be afterwards edge blackout for several days; As reference examples two, adopt hot roll extrusion hot melt adhesive film to form the technique of protective layer, if only carry out once hot roll extrusion, substantially can not make the problem that occurs edge blackout after several days, but also have a little part to have part to occur the problem of edge blackout making after several days; As reference examples three, although adopt the technique of twice hot roll extrusion hot melt adhesive film formation protective layer, the excess Temperature of hot roll extrusion, can cause hot melt adhesive film junk, thereby produces bubble, makes surface irregularity; As reference examples four, although adopt the technique of twice hot roll extrusion hot melt adhesive film formation protective layer, the temperature of hot roll extrusion is too low, makes hot melt adhesive film can not fuse on metal level, finally causes glass mirror to occur the quality problems of edge blackout.
2, the glass mirror that adopts the technique of the embodiment of the present invention to make, solidifies after-drawing intensity and is all greater than 20MPa, and peel strength is greater than 25N/cm.
As can be seen here; in the embodiment of the present invention, adopt at least twice hot roll extrusion to form protective layer to hot melt adhesive film roll extrusion; control the temperature of hot roll extrusion in suitable temperature range simultaneously; no matter the glass mirror that makes to make is after manufacture in several days or after the long period is used; can avoid occurring the situation of edge blackout and even entirety blackout; and the feature of environmental protection is good, cost is low.
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred embodiment should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the manufacture craft of an environmental protection glass mirror, it is characterized in that, comprise the steps:, in the main body being formed by glass and metal level, protective layer is set, described protective layer is fitted in through at least twice hot roll extrusion by hot melt adhesive film on the metal level of main body and forms, each hot roll extrusion all carried out at the temperature of 50 DEG C～150 DEG C, the temperature of rear hot roll extrusion is greater than the temperature of last time hot roll extrusion, and rear time roll extrusion is 20 DEG C～70 DEG C with the temperature difference of roll extrusion last time; Adopt roll extrusion assembly to carry out hot roll extrusion to hot melt adhesive film, the quantity of described roll extrusion assembly is identical with the number of times of hot roll extrusion, and when hot roll extrusion, the rotating speed of adjusting each group of roll extrusion assembly is 2.4～2.8 revs/min.
2. the manufacture craft of environmental protection glass mirror as claimed in claim 1, is characterized in that, described hot melt adhesive film is epoxy resin glued membrane.
3. the manufacture craft of environmental protection glass mirror as claimed in claim 2, is characterized in that, the interlude of the twice hot roll extrusion in front and back is 20s～35s.
4. the manufacture craft of environmental protection glass mirror as claimed in claim 1; it is characterized in that; described protective layer is fitted in through twice hot roll extrusion by hot melt adhesive film on the metal level of main body and forms; hot roll extrusion is for the first time carried out at the temperature of 80 DEG C～100 DEG C, and hot roll extrusion is for the second time carried out at the temperature of 120 DEG C～150 DEG C.
5. the manufacture craft of environmental protection glass mirror as claimed in claim 4, is characterized in that, in the time carrying out hot roll extrusion for the first time, temperature rises to 100 DEG C gradually from 80 DEG C, and in the time carrying out hot roll extrusion for the second time, temperature rises to 150 DEG C gradually from 120 DEG C.
6. the manufacture craft of environmental protection glass mirror as claimed in claim 1; it is characterized in that; described protective layer is fitted in through three hot roll extrusion by hot melt adhesive film on the metal level of main body and forms; hot roll extrusion is for the first time carried out at the temperature of 50 DEG C～60 DEG C; hot roll extrusion is for the second time carried out at the temperature of 80 DEG C～100 DEG C, and hot roll extrusion is for the third time carried out at the temperature of 120 DEG C～150 DEG C.
7. the manufacture craft of environmental protection glass mirror as claimed in claim 6, is characterized in that, in the time carrying out hot roll extrusion for the first time, temperature rises to 60 DEG C gradually from 50 DEG C; In the time carrying out hot roll extrusion for the second time, temperature rises to 100 DEG C gradually from 80 DEG C; In the time carrying out hot roll extrusion for the third time, temperature rises to 150 DEG C gradually from 120 DEG C.
8. the manufacture craft of environmental protection glass mirror as claimed in claim 1, it is characterized in that, adopt roll extrusion assembly to carry out hot roll extrusion to hot melt adhesive film, the quantity of described roll extrusion assembly is identical with the number of times of hot roll extrusion, when hot roll extrusion, the rotating speed of adjusting each group of roll extrusion assembly is 2.6 revs/min.
9. an environmental protection glass mirror, is characterized in that, is made up of the manufacture craft described in claim 1～8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215605.8A CN103284526B (en) | 2013-05-31 | 2013-05-31 | Environment-friendly glass mirror and process for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215605.8A CN103284526B (en) | 2013-05-31 | 2013-05-31 | Environment-friendly glass mirror and process for manufacturing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103284526A CN103284526A (en) | 2013-09-11 |
| CN103284526B true CN103284526B (en) | 2014-07-16 |
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| CN201310215605.8A Expired - Fee Related CN103284526B (en) | 2013-05-31 | 2013-05-31 | Environment-friendly glass mirror and process for manufacturing same |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649585B (en) * | 2014-12-30 | 2017-11-14 | 陈奇康 | A kind of novel environment friendly glass mirror and its manufacture craft |
| CN109431176A (en) * | 2018-11-26 | 2019-03-08 | 廖仲明 | The rimless extension mirror of one kind and its manufacture craft |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2433599A1 (en) * | 1974-07-12 | 1976-01-29 | Lang Kg Ing Hans | SECURITY MIRROR |
| JPS5564201A (en) * | 1978-11-09 | 1980-05-14 | Asahi Glass Co Ltd | Copper mirror |
| US6313448B1 (en) * | 1999-10-21 | 2001-11-06 | 3M Innovative Properties Company | Adhesive bonding method and device |
| CN201600466U (en) * | 2010-02-04 | 2010-10-06 | 陈奇康 | Environment-friendly glass mirror |
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| CN103284526A (en) | 2013-09-11 |
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Effective date of registration: 20160113 Address after: 528305 Guangdong province Foshan city Shunde District Ronggui street high tech Zone HUAFA Road No. 20 Patentee after: Foshan Shunde crystal glass mirror Co. Ltd. Address before: Dr. China luoliji Macao road Bowie center 10 floor G block Patentee before: Chen Qikang |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190531 |