CN1239710A - Low temperature polymerization process and equipment for preparing glue specially for sandwiched glass - Google Patents
Low temperature polymerization process and equipment for preparing glue specially for sandwiched glass Download PDFInfo
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- CN1239710A CN1239710A CN 98110309 CN98110309A CN1239710A CN 1239710 A CN1239710 A CN 1239710A CN 98110309 CN98110309 CN 98110309 CN 98110309 A CN98110309 A CN 98110309A CN 1239710 A CN1239710 A CN 1239710A
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Abstract
The glue is prepared through the reaction of methacrylic acid or methacrylate, styrene, acrylic acid or acrylate, ethylene acetate, acrylonitrile, phthalic ester and light initiator in one specific reactor of boronic glass or quartz pipe and under the protection of inert gas, the irradiation of sunlight or UV light and the temperature of 20-70 deg.c. The preparation process has high quality, high efficiency, low power consumption and no pollution, and the present invention is suitable for industrial production.
Description
The present invention relates to the laminated glass special adhesive and make the field, especially a kind of low temperature polymerization legal system is equipped with laminated glass special adhesive technology and equipment.
The laminated glass special adhesive preparation technology of prior art can be divided into high temperature polymerization and low temperature polymerization two classes, high temperature polymerization is thermopolymerization, in the retort of routine, carry out greater than 80 ℃ usually, but quality product is not good enough, with the laminated glass that the legal glue of hot polymerization is made, mass defect such as bubble in installing and using, unavoidably will occur, come unstuck; Low temperature polymerization is photopolymerization, usually temperature of reaction is lower than 70 ℃, the colloid amount that makes is good, but plant issue did not solve, and the photochemical reaction of prior art is carried out in the common response jar usually, projection source on cover, only depend on the reaction solution surface to absorb luminous energy, unreasonable structure, the slow throughput of speed of reaction is little, thereby can't form technical scale.
Photochemical reaction is the chemical reaction that material is carried out under the effect of light, is characterized in supplying with activation energy by absorb light, carries out in excited state, and reactant directly affects speed of reaction to the specific absorption of light.
Therefore, the application's goal of the invention is to improve the above-mentioned deficiency of prior art, design a kind of suitable low temperature polymerization technology and the novel appts that is complementary with it, strengthen reaction solution and light contact area, rational in infrastructure, the specific equipment that throughput is big makes the low temperature polymerization legal system be equipped with the laminated glass special adhesive and produces the formation technical scale.
The present invention implements its goal of the invention by following technical solution:
Design a kind of low temperature polymerization legal system and be equipped with laminated glass special adhesive technology, it is characterized in that:
1. adopt the material of following weight: methyl methacrylate (Methyl α-methacrylate) 0～30 part; 0～30 part of vinylbenzene (Styrene); 0～20 part of butyl methacrylate (Butyl methacrylate); 0～20 part of butyl acrylate (Butyl acrylate); 0～10 part of methacrylic acid (Methacrylic acid); 0～10 part in vinylformic acid (Acrylic acid); 0～10 part of vinyl acetate between to for plastic (Vinyl acetate); 0～10 part of vinyl cyanide (Acrylonitrile); 0～0.01 part of vinylformic acid octadecane ester (Octadecyl acrylate); 0～50 part of dioctyl phthalate (DOP) (Dioctyl (o-) phthalate); 0～50 part of dibutyl phthalate (Dibutyl (o-) phthalate); light trigger (benzoin ether; a-acyl oxime ester; benzophenone derivates; benzil ketals; ketoamine mixture etc.) 0.001～0.05 part; 2. disposable adding or add in this process special equipment by the reactivity ratio gradation; after airtight; on; lower swing stirs; 3. under the protection of inert gas; ultraviolet ray or sun exposure, 20～70 ℃ of reactions of temperature to terminal.
Simultaneously, design a kind of low temperature polymerization legal system that is applicable to and be equipped with the specific equipment of laminated glass special adhesive technology, it mainly is made up of tubular reactor and load carrier, the tubular reactor two ends are that snubber, centre are horizontal boron-containing glass or quartz glass tube, the two connects sealing with the ripple short circuit, load carrier comprises base and carriage, wherein:
Carriage 4 is supporting the snubber 3 at two ends, the centre be boron-containing glass or quartz glass tube 1 accumbency on pipe pad 2,14 of Glass tubing 1 two ends and snubber short tubes connect sealing with ripple short circuit 6,
3 in two snubbers, with Glass tubing 1 arranged side by side closed tube 10,
The axial point of base 5 top braces carriages 4 is provided with the tilting mechanism of machinery, hydraulic pressure or air pressure type on the base 5, driven bracket 4 is done upper and lower swing around its axial point.
Be the agitation effects of augmenting response liquid, in the Glass tubing 1 baffle plate 7 can be set.
Glass tubing 1 can be that single tube also can be the multitube block form.
When needs heating or cooling, two ends snubber 3 can be provided with built-in heat transfer mechanism 8 or jacketed type heat transfer mechanism 9.Snubber 3 is provided with thermowell 11, tensimeter 12 and appurtenances such as charging and discharging mouth 13, short tube 14.
Through practical proof, the present invention has overcome the above-mentioned shortcoming of prior art, technology advanced person, and equipment is reasonable, good quality of product.Make the low temperature polymerization legal system be equipped with the technology and the equipment of laminated glass special adhesive, reached industrial requirement.
The low temperature polymerization legal system of using technology of the present invention and equipment to make is equipped with the laminated glass special adhesive, and the laminated glass that makes detects with shatter proof glass quality examination center through State Bureau of Building Materials Industry's shipping vehicle aircraft, and detected result is as follows:
The assay of visual appearance, size and permissible variation, sinuousness, radioresistance, thermotolerance, canister shot bag impact property, ball falling impact stripping performance and wet fastness all reaches the requirement of GB, and is all qualified.
Advantage of the present invention is:
One, on the technology from quality, high-level efficiency, less energy-consumption, pollution-free.
Two, on the equipment
1. jump out the pattern of " jar " formula reactor, designed a kind of novel " pipe " formula reactor, boron-containing glass or silica glass tubular type reactor are moved upper and lower swing by carriage tape, reaction solution fully obtains the radiation of energy in the reaction process, increased considerably the radiation exposed area of reaction solution, thereby the S. E. A. height, speed of reaction is fast.
2. the tilting mechanism of machinery, hydraulic pressure or air pressure type no matter be that toothing or piston are spacing, all is a routine techniques, but herein when driving tubular reactor and do upper and lower swing and replace agitator, simplifies the structure greatly, has improved actual effect.
3. tubular reactor provided by the invention is as the specific equipment of laminated glass special adhesive, and is rational in infrastructure, easy and simple to handle, economical rationality, and throughput is big.
4. be equipped with the laminated glass special adhesive except that being used for the low temperature polymerization legal system, the mass polymerization, binary copolymerization, multi-component copolymer and the halogenating reaction that also can be used for radiation, electron beam, ultraviolet ray or sunlight, copolymerization as polymerization, vinylbenzene and the divinylbenzene of Polymerization of Methyl, polymerizing acrylic acid, vinyl cyanide, and halogenation etc., effect is all good.
The present invention is further elaborated below in conjunction with drawings and Examples:
Fig. 1 is one-piece construction, the view of an embodiment single hose specific equipment;
Fig. 2 is that another embodiment multitube block form specific equipment is overlooked view;
Fig. 3, Fig. 4 are different baffle arrangements, view;
Fig. 5 be Glass tubing with the snubber short tube between be connected the view of sealing with the ripple short circuit;
Fig. 6 is the structural representation of ripple short circuit;
Fig. 7, Fig. 8 are structure, the view of the built-in of snubber and jacketed type heat transfer mechanism.
Among the figure, 1 Glass tubing, 2 pipe pads, 3 snubbers, 4 carriages, 5 bases, 6 ripple short circuits, 7 baffle plates (can be spiral or other replaces spread pattern), 8 built-in heat transfer mechanism 9 jacketed type heat transfer mechanisms 10 closed tubes 11 thermowell 12 tensimeters 13 charging and discharging mouths, 14 snubber short tubes.
Remove Glass tubing with boron-containing glass or quartz glass tube, the ripple short circuit is with outside tetrafluoroethylene or the nylon, and remaining part can use simple glass, carbon steel, stainless steel, lass lining or the titanium material etc. respectively should the suitable material of reaction.
Adopting quartz glass single hose specific equipment in the embodiment shown in fig. 1, the snubber 3 at two ends is horizontal containers, 1 ripple short circuit 6 with tetrafluoroethylene or nylon of two ends snubber short tube 14 and Glass tubing is connected sealing, above the snubber of two ends with Glass tubing 1 and show closed tube 10, the axial point of carriage 4 is supported on the top of base 5, use gear-engaged type mechanical pendulum actuation mechanism on the base 5, driven bracket 4 drives a complete set of tubular reactor fixed thereon, does upper and lower swing around its axial point.
In Fig. 2, be boron-containing glass multitube block form specific equipment, snubber 3 a plurality of short tubes 14 arranged side by side, piston limit-type (hydraulic pressure or air pressure) tilting mechanism is set on the base 5, driven bracket 4 drives a complete set of tubular reactor fixed thereon, does upper and lower swing around its axial point, and other is the same.
Among Fig. 3, baffle plate 7 is spiral, and among Fig. 4, baffle plate 7 is to replace arranged type.
Among Fig. 5, show the Glass tubing 1 of accumbency on elasticity pipe pad 2, the state when docking as elasticity with snubber short tube 14 usefulness ripple short circuits 6.
Fig. 6 is the structural representation of ripple short circuit 6.
Among Fig. 7, snubber is provided with the built-in heat transfer mechanism of coil pipe type other forms such as (also) available sleeve pipes, is the jacketed type heat transfer mechanism among Fig. 8, and the signal of the location status of other appurtenances on the snubber.
" embodiment one "
1. adopt the material of following weight: 30 parts of vinylbenzene, 2.5 parts of butyl acrylates, 10 parts in vinylformic acid, 3 parts of vinyl cyanide, 40 parts of dioctyl phthalate (DOP)s, 0.04 part of light trigger,
2. disposable adding the application specific equipment, airtight, upper and lower swing is stirred,
3. under the nitrogen protection, uviolizing, initial 20 ℃, heat release in the reaction, final 70 ℃.
React to reach and be coated with-4 agar diffusion methods and measure 15s/50ml to multipolymer viscosity.Through trying out, up-to-standard in making laminated glass.The room temperature shading is preserved, and gets rid of nitrogen during use.
" embodiment two "
Adopt the material of following weight: 30 parts of methyl methacrylates, 16.5 parts of butyl methacrylate, 5 parts of butyl acrylates, 10 parts of methacrylic acids, 10 parts of vinyl acetate between to for plastics, 0.01 part of vinylformic acid octadecane ester, 50 parts of dibutyl phthalates, 0.001 part of light trigger, press the reactivity ratio gradation and add the application's specific equipment, airtight, upper and lower swing is stirred, CO
2Protection is sun exposure down, and initial 20 ℃, heat release in the reaction, final 65 ℃.
React to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 40s/50ml, all the other are with example one.
" embodiment three "
Batching: 10.5 parts of methyl methacrylates, 10.5 parts of vinylbenzene, 20 parts of butyl methacrylate, 3 parts of methacrylic acids, 3 parts in vinylformic acid, 8 parts of vinyl acetate between to for plastics, 0.01 part of vinylformic acid octadecane ester, 27 parts of dioctyl phthalate (DOP)s, 21 parts of dibutyl phthalates, 0.025 part of light trigger
React to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 23s/50ml, all the other are with example one.
" embodiment four "
Batching: 15 parts of methyl methacrylates, 15 parts of vinylbenzene, 20 parts of butyl methacrylate, 10 parts in vinylformic acid, 10 parts of vinyl cyanide, 4 parts of vinyl acetate between to for plastics, 7 parts of dibutyl phthalates, 34 parts of dioctyl phthalate (DOP)s, 0.035 part of light trigger, react to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 23s/50ml, all the other are with example two.
" embodiment five "
24 parts of methyl methacrylates, 3 parts of vinylbenzene, 8 parts of butyl methacrylate, 20 parts of butyl acrylates, 3 parts of methacrylic acids, 5 parts of vinyl acetate between to for plastics, 4 parts of vinyl cyanide, 0.01 part of vinylformic acid octadecane ester, 50 parts of dioctyl phthalate (DOP)s, 0.05 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 25s/50ml, and all the other are with example one.
" embodiment six "
23.5 parts of methyl methacrylates, 9 parts of vinylbenzene, 13.5 parts of butyl methacrylate, 6 parts of butyl acrylates, 7 parts of methacrylic acids, 10 parts of vinyl acetate between to for plastics, 0.01 part of vinylformic acid octadecane ester, 50 parts of dibutyl phthalates, 0.006 part of light trigger, react to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 19s/50ml, all the other are with example two.
" embodiment seven "
12 parts of methyl methacrylates, 12 parts of vinylbenzene, 17.5 parts of butyl methacrylate, 2 parts of butyl acrylates, 8 parts of methacrylic acids, 6 parts in vinylformic acid, 7 parts of vinyl acetate between to for plastics, 5 parts of vinyl cyanide, 0.01 part of vinylformic acid octadecane ester, 25 parts of dioctyl phthalate (DOP)s, 32 parts of dibutyl phthalates, 0.009 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 13s/50ml, and all the other are with example one.
" embodiment eight "
21 parts of methyl methacrylates, 15 parts of vinylbenzene, 18 parts of butyl methacrylate, 4 parts of butyl acrylates, 10 parts of methacrylic acids, 2 parts in vinylformic acid, 9 parts of vinyl cyanide, 0.01 part of vinylformic acid octadecane ester, 18 parts of dioctyl phthalate (DOP)s, 16 parts of dibutyl phthalates, 0.001 part of light trigger, react to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 27s/50ml, all the other are with example two.
" embodiment nine "
30 parts of vinylbenzene, 9 parts of butyl acrylates, 10 parts of butyl methacrylate, 5 parts of methacrylic acids, 4 parts in vinylformic acid, 7 parts of vinyl cyanide, 2.5 parts of vinyl acetate between to for plastics, 0.01 part of vinylformic acid octadecane ester, 9 parts of dioctyl phthalate (DOP)s, 41 parts of dibutyl phthalates, 0.045 part of light trigger, react to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 17s/50ml, all the other are with example one.
" embodiment ten "
30 parts of methyl methacrylates, 20 parts of butyl acrylates, 2.5 parts in vinylformic acid, 2.5 parts of methacrylic acids, 10 parts of vinyl cyanide, 0.01 part of vinylformic acid octadecane ester, 50 parts of dioctyl phthalate (DOP)s, 0.05 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 50s/50ml, and all the other are with example two.
" embodiment 11 "
30 parts of methyl methacrylates, 12.5 parts of butyl acrylates, 10 parts of methacrylic acids, 3 parts of vinyl acetate between to for plastics, 40 parts of dibutyl phthalates, 0.04 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 29s/50ml, and all the other are with example one.
" embodiment 12 "
30 parts of vinylbenzene, 6.5 parts of butyl methacrylate, 15 parts of butyl acrylates, 10 parts in vinylformic acid, 10 parts of vinyl cyanide, 50 parts of dioctyl phthalate (DOP)s, 0.001 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 21s/50ml, and all the other are with example two.
" embodiment 13 "
Batching: 14.5 parts of methyl methacrylates, 11.5 parts of vinylbenzene, 20 parts of butyl acrylates, 3 parts of methacrylic acids, 3 parts in vinylformic acid, 8 parts of vinyl cyanide, 0.01 part of vinylformic acid octadecane ester, 21 parts of dioctyl phthalate (DOP)s, 27 parts of dibutyl phthalates, 0.025 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 15s/50ml, and all the other are with example one.
" embodiment 14 "
Batching: 17 parts of methyl methacrylates, 13 parts of vinylbenzene, 20 parts of butyl acrylates, 10 parts of methacrylic acids, 4 parts of vinyl cyanide, 10 parts of vinyl acetate between to for plastics, 34 parts of dibutyl phthalates, 7 parts of dioctyl phthalate (DOP)s, 0.035 part of light trigger, react to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 38s/50ml, all the other are with example two.
" embodiment 15 "
4 parts of methyl methacrylates, 25 parts of vinylbenzene, 21 parts of butyl methacrylate, 8 parts of butyl acrylates, 5 parts in vinylformic acid, 5 parts of vinyl acetate between to for plastics, 5 parts of vinyl cyanide, 0.01 part of vinylformic acid octadecane ester, 50 parts of dibutyl phthalates, 0.05 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 24s/50ml, and all the other are with example one.
" embodiment 16 "
10.4 parts of methyl methacrylates, 12 parts of vinylbenzene, 6 parts of butyl methacrylate, 13.5 parts of butyl acrylates, 9 parts in vinylformic acid, 10 parts of vinyl cyanide, 0.01 part of vinylformic acid octadecane ester, 50 parts of dioctyl phthalate (DOP)s, 0.006 part of light trigger, react to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 18s/50ml, all the other are with example two.
" embodiment 17 "
12 parts of methyl methacrylates, 12 parts of vinylbenzene, 2 parts of butyl methacrylate, 17.5 parts of butyl acrylates, 7 parts of methacrylic acids, 9 parts in vinylformic acid, 5 parts of vinyl acetate between to for plastics, 7 parts of vinyl cyanide, 0.01 part of vinylformic acid octadecane ester, 32 parts of dioctyl phthalate (DOP)s, 25 parts of dibutyl phthalates, 0.009 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 22s/50ml, and all the other are with example one.
" embodiment 18 "
15 parts of methyl methacrylates, 21 parts of vinylbenzene, 4 parts of butyl methacrylate, 18 parts of butyl acrylates, 2 parts of methacrylic acids, 12 parts in vinylformic acid, 9 parts of vinyl acetate between to for plastics, 0.01 part of vinylformic acid octadecane ester, 16 parts of dioctyl phthalate (DOP)s, 18 parts of dibutyl phthalates, 0.001 part of light trigger, react to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 17s/50ml, all the other are with example two.
" embodiment 19 "
30 parts of methyl methacrylates, 10 parts of butyl acrylates, 9 parts of butyl methacrylate, 4 parts of methacrylic acids, 6 parts in vinylformic acid, 2.5 parts of vinyl cyanide, 7 parts of vinyl acetate between to for plastics, 0.01 part of vinylformic acid octadecane ester, 41 parts of dioctyl phthalate (DOP)s, 9 parts of dibutyl phthalates, 0.045 part of light trigger, react to reach to multipolymer viscosity and be coated with-4 agar diffusion methods and measure 41s/50ml, all the other are with example one.
" embodiment 20 "
30 parts of vinylbenzene, 20 parts of butyl methacrylate, 2.5 parts in vinylformic acid, 2.5 parts of methacrylic acids, 10 parts of vinyl acetate between to for plastics, 0.01 part of vinylformic acid octadecane ester, 50 parts of dibutyl phthalates, 0.05 part of light trigger reacts to reach to multipolymer viscosity and is coated with-4 agar diffusion methods and measures 16s/50ml, and all the other are with example two.
Claims (5)
1. a low temperature polymerization legal system is equipped with the technology of laminated glass special adhesive, it is characterized in that:
Adopt the material of following weight: 0～30 part of methyl methacrylate, 0～30 part of vinylbenzene, 0～20 part of butyl methacrylate, 0～20 part of butyl acrylate, 0～10 part of methacrylic acid, 0～10 part in vinylformic acid, 0～10 part of vinyl acetate between to for plastic, 0～10 part of vinyl cyanide, 0～0.01 part of vinylformic acid octadecane ester, 0～50 part of dioctyl phthalate (DOP), 0～50 part of dibutyl phthalate, 0.001～0.05 part of light trigger
Disposable adding or press the reactivity ratio gradation and add in the specific equipment, airtight, upper and lower swing is stirred, under the protection of inert gas, ultraviolet ray or sun exposure, 20～70 ℃ of reactions of temperature.
2. a low temperature polymerization legal system is equipped with the equipment of laminated glass special adhesive, mainly form by tubular reactor and load carrier, it is characterized in that the tubular reactor two ends are that snubber, centre are horizontal boron-containing glass or quartz glass tube, the two connects sealing with the ripple short circuit, load carrier comprises base and carriage, wherein:
Carriage (4) is supporting the snubber (3) at two ends, the centre be boron-containing glass or quartz glass tube (1) accumbency on pipe pad (2), between Glass tubing (1) two ends and snubber short tube (14), connect sealing with ripple short circuit (6),
Between two snubbers (3), with Glass tubing (1) arranged side by side closed tube (10),
The axial point of base (5) page or leaf portion Support bracket (4) is provided with the tilting mechanism of machinery, hydraulic pressure or air pressure type on the base (5), driven bracket (4) is done upper and lower swing around its axial point.
3. according to the described equipment of claim 2., it is characterized in that being provided with in the described Glass tubing (1) baffle plate (7).
4. according to the described equipment of claim 2, it is characterized in that described Glass tubing (1) is single tube or multitube block form.
5. according to the described equipment of claim 2, it is characterized in that described snubber (3) is provided with built-in heat transfer mechanism (8) or jacketed type heat transfer mechanism (9), thermowell (11), tensimeter (12), charging and discharging mouth (13) and short tube (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98110309 CN1239710A (en) | 1998-06-20 | 1998-06-20 | Low temperature polymerization process and equipment for preparing glue specially for sandwiched glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98110309 CN1239710A (en) | 1998-06-20 | 1998-06-20 | Low temperature polymerization process and equipment for preparing glue specially for sandwiched glass |
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| CN1239710A true CN1239710A (en) | 1999-12-29 |
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| CN 98110309 Pending CN1239710A (en) | 1998-06-20 | 1998-06-20 | Low temperature polymerization process and equipment for preparing glue specially for sandwiched glass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798185A (en) * | 2010-03-02 | 2010-08-11 | 何海波 | Bullet-resistant glass and fireproof glass for insulating heat and resisting radiation, as well as compound glass thereof |
| CN102911609A (en) * | 2012-10-27 | 2013-02-06 | 杜飙 | Photo-curing glue and new technology for producing edging-free safety wet laminated glass |
| CN104591527A (en) * | 2015-02-09 | 2015-05-06 | 王磊 | Later-support vacuum glass manufacturing method |
-
1998
- 1998-06-20 CN CN 98110309 patent/CN1239710A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798185A (en) * | 2010-03-02 | 2010-08-11 | 何海波 | Bullet-resistant glass and fireproof glass for insulating heat and resisting radiation, as well as compound glass thereof |
| CN102911609A (en) * | 2012-10-27 | 2013-02-06 | 杜飙 | Photo-curing glue and new technology for producing edging-free safety wet laminated glass |
| CN102911609B (en) * | 2012-10-27 | 2016-08-10 | 杜飙 | A kind of photocuring glue and the technique making no edge strip wet folder safety interlayer glass |
| CN104591527A (en) * | 2015-02-09 | 2015-05-06 | 王磊 | Later-support vacuum glass manufacturing method |
| CN104591527B (en) * | 2015-02-09 | 2017-07-04 | 王磊 | A kind of vacuum glass preparation method of rear support |
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