CN108083657B - Hollow glass and production process thereof - Google Patents
Hollow glass and production process thereof Download PDFInfo
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- CN108083657B CN108083657B CN201810089937.9A CN201810089937A CN108083657B CN 108083657 B CN108083657 B CN 108083657B CN 201810089937 A CN201810089937 A CN 201810089937A CN 108083657 B CN108083657 B CN 108083657B
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000002808 molecular sieve Substances 0.000 claims description 11
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
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- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
-
- 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2309/02—Copolymers with acrylonitrile
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Joining Of Glass To Other Materials (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention discloses hollow glass and a production process thereof, and the technical scheme is characterized by comprising a middle glass layer, outer glass layers arranged at two sides of the middle glass layer and ring frames for clamping and embedding the middle glass layer and the outer glass layers, wherein hollow cavities are formed between the two outer glass layers and the middle glass layer, hot melt adhesive strip rings are arranged at the peripheries of the outer glass layers and the middle glass layer, embedding grooves with the width consistent with that of the middle glass layer and used for embedding the middle glass layer are arranged on the inner side surfaces of the hot melt adhesive strip rings, and a plurality of air bags which are tightly attached are arranged in the two hollow cavities. A plurality of air bag structures arranged in the hollow cavity of the hollow glass can play a supporting role, and the supporting role of the air bags can avoid the phenomenon of uneven thickness of the hollow glass caused by deformation of a pure hot melt adhesive strip ring in certain degree in the process of processing and laminating the hollow glass.
Description
Technical Field
The invention relates to the technical field of raw glass processing, in particular to hollow glass and a production process thereof.
Background
The deep processing of glass refers to the processing of raw sheet of plate glass (float glass, common drawn plate glass, flat drawn glass, rolled glass, etc.) or glass powder as base material by physical method, chemical method and combination thereof, etc. to support glass products with new structure, function or shape. Through the deep processing process, various new functions can be endowed to the common glass, and the technical content and the added value of the glass product are improved.
At present, hollow glass on the market generally comprises two layers or more than two layers of common flat glass, when the hollow glass is manufactured, two or more pieces of glass and adhesive strips are generally adhered and sealed by adopting a high-strength and high-air-tightness composite adhesive around the glass, and a drying agent is filled in the middle of the lattice strips, so that the hollow glass has good heat preservation, heat insulation and sound insulation effects and is widely applied to various technical fields of buildings, decoration and life.
Chinese patent application No. 2007101113721 discloses a thermal insulation and sound insulation triple-layer glass. The glass comprises outer glass, middle glass, inner glass, an outer air layer and an inner air layer, wherein the three glass layers are arranged in different thicknesses, and a sealant is arranged between the end parts of the adjacent glass layers.
The three-layer glass with heat preservation and sound insulation is arranged to play a supporting role simply by virtue of the sealant, the liquid sealant can cause the width of an outer air layer and the width of an inner air layer formed between the inner glass and the outer glass and the middle glass to be uneven after drying and solidification, and the thickness of the three-layer glass body is uneven.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide hollow glass which has the advantage of uniform thickness.
The technical purpose of the invention is realized by the following technical scheme: a hollow glass comprises a middle glass layer, outer glass layers arranged at two sides of the middle glass layer and a ring frame for clamping and embedding the peripheries of the middle glass layer and the outer glass layers, wherein a hollow cavity is formed between each two outer glass layers and the middle glass layer, hot melt adhesive strip rings are arranged around the outer glass layer and the middle glass layer, the inner side surface of each hot melt adhesive strip ring is provided with an embedding groove which has the same width as that of the middle glass layer and is used for embedding the middle glass layer, a plurality of air bags which are tightly attached are arranged in the two hollow cavities, inert gas is filled in the air bags, the wall of the air bag is transparent rubber, a heat insulation plate is arranged between the air bag and the hot melt adhesive strip ring, the hot melt adhesive tape ring is provided with a mounting groove communicated with the hollow cavity, a desiccant box with an opening is arranged on the wall close to the hollow cavity in the mounting groove, and a molecular sieve desiccant is accommodated in the desiccant box.
According to the technical scheme, the hollow cavity is filled with the plurality of air bags, so that the effect of supporting outer-layer glass can be achieved, the plurality of air bags which are tightly attached can be arranged to disperse the supporting effect, when a single air bag is damaged, the rest air bags can still achieve the supporting effect, and meanwhile, the bag walls of the air bags are made of transparent rubber materials, so that the light transmission effect of the glass can not be interfered; the thickness of the flattened glass can be uniform due to the structure of the arranged air bag, and meanwhile, the inert gas filled in the air bag can play the roles of sound insulation and constant temperature; and the molecular sieve drying agent that sets up in the mounting groove can absorb the moisture that produces when hot melt adhesive strip circle, reduces the winding of moisture and causes that the intracavity exists too much moisture in the middle of, influences glass's result of use.
The invention is further configured to: the periphery of the air bag is adhered with a pvc diaphragm.
Through above-mentioned technical scheme, it is stable that the fixed effect that glues sticky pvc diaphragm can realize the gasbag, is difficult for appearing removing when flattening.
The invention is further configured to: the hot melt adhesive strip ring comprises, by weight, 90-95 parts of nitrile butadiene rubber, 80-100 parts of molecular sieve activation powder, 1-2 parts of vulcanizing agent, 5-10 parts of foaming agent, 1-2 parts of coupling agent, 1-1.5 parts of auxiliary agent and 5-10 parts of white carbon black.
Through above-mentioned technical scheme, the hot melt adhesive strip circle that selects above-mentioned component to form glues the stickness can be good, and the auxiliary agent and the white carbon black that add make between the component dispersion even, and the hot melt adhesive strip circle that forms glues the stickness effect duration long.
The invention is further configured to: the vulcanizing agent is selected from bis 2,5(2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane).
Through the technical scheme, 2,5(2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane) is selected as the vulcanizing agent, so that the processability of the hot melt adhesive strip coil can be improved.
The invention is further configured to: the coupling agent is bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide.
Through above-mentioned technical scheme, the use of coupling agent can increase the viscidity performance between each minute.
The invention is further configured to: the hot melt adhesive strip coil comprises the following preparation steps:
step 1, mixing for the first time, namely mixing the butadiene-acrylonitrile rubber, the molecular sieve activating powder, the auxiliary agent and the white carbon black by using a kneading machine or an open mill; when a kneading machine is adopted, the temperature is controlled to be 100-130 ℃, when an open mill is adopted, the temperature is not more than 50 ℃, the time is 10-15 minutes, and the masterbatch is obtained for later use;
step 2: and (3) second-stage mixing: mixing the master batch, the foaming agent, the coupling agent and the vulcanizing agent by using an open mill to obtain a mixed rubber, extruding the mixed rubber into a mixed rubber strip for later use, controlling the temperature below 50 ℃ and the time to be 15-20 minutes;
and step 3: placing the rubber strip of the rubber compound in a cold feed extruder to be extruded and molded into an unvulcanized rubber strip, controlling the temperature of each section of the extruder to be 30-70 ℃, gradually lifting from the feeding section to the machine head section, and determining the shape of an extruded product according to the structure of a hot melt adhesive strip coil;
and 4, step 4: vulcanizing and cooling an unvulcanized rubber strip through a hot air-microwave linkage production line to obtain the energy-saving micro-closed-pore silicone rubber hollow glass spacing strip, wherein the hot air-microwave linkage production line comprises a high-temperature shaping section, a microwave vulcanization section, a hot air vulcanization section and a cooling section, the lengths of the hot air-microwave linkage production line are 3 meters, 6 meters and 18 meters respectively, the processing temperatures are 220-300 ℃, 200-240 ℃, 200-260 ℃ and normal temperature respectively, and the extrusion speed is 5-15 meters per minute.
Through the technical scheme, the hot melt adhesive strip rings can be manufactured through the steps, the service life of the generated hot melt adhesive strip rings is long, and the service performance is good.
The invention also aims to provide a production process of the hollow glass, which comprises the following preparation processes:
s1: cutting, namely cutting the purchased glass sheet according to the specifications of the middle glass layer and the outer glass layer;
s2: grinding and washing, namely grinding the cut glass corners, flushing water on the contact part of the equipment processing part and the glass during grinding so as to avoid generating glass dust, enabling the flushing water to enter a sedimentation tank, standing and precipitating, recycling supernatant liquor, and collecting glass powder as solid waste;
s3: the method comprises the following steps of combining sheets, winding hot melt adhesive strip rings around a middle glass layer, combining the sheets by using an automatic sheet combining machine, wherein the whole process comprises arranging outer glass on a workbench, then arranging air bags on the surface of the outer glass layer in order, adhering heat insulation plates on the side walls of the air bags close to two sides, arranging middle glass above the air bags, laying the air bags above the middle layer, continuously adhering the heat insulation plates on the side walls of the air bags close to the two sides after laying is finished, laying another outer glass layer above the air bags after laying is finished, then placing the three glass layers into a hollow frame, flatly pressing the three glass layers into a combined sheet, and finally clamping and embedding a ring frame on the periphery of the three glass layers;
s4: heating the peripheries of the three layers of glass in a hot pressing box of the glass conveying nets stacked together to enable the peripheries of the hot melt adhesive strip rings to be tightly attached to the outer layer of glass;
s5: and (3) glue filling, namely performing glue filling and curing operation between the ring frame and the outer layer glass, and coating polysulfide glue or silicone glue by using an automatic rotary glue coating machine for sealing.
Through the technical scheme, the production of the hollow glass can be completed through the steps, and the sealing performance of the hollow glass can be better in the glue supplementing process after production.
The invention is further configured to: and after the processing is finished, spraying a hydrophobic layer on one side of the outer layer glass, which is far away from the middle layer glass.
Through above-mentioned technical scheme, the spraying of hydrophobic layer can increase cavity glass's cleanliness, and when the rainwater was hit on cavity glass when the rainy day, can wash the dust on the glass, reduced the frequency of washing glass.
The invention is further configured to: the hydrophobic layer comprises 20-30 parts of resin emulsion, 50-80 parts of water, 10-20 parts of silica gel, 1-5 parts of lotus leaf hydrophobic agent, 0.5-1 part of carclazyte, 0.8-1.5 parts of antioxidant, 0.1-1 part of hollow glass bead and 30-60 parts of ethanol.
Through the technical scheme, the hollow glass beads in the hydrophobic layer can play a role in heat insulation, and the hydrophobic performance of the outer surface of the hollow glass can be improved by adding the lotus leaf hydrophobic agent.
The invention is further configured to: the preparation process of the hydrophobic layer comprises the following steps,
uniformly mixing ethanol, 10-20 parts of water and resin emulsion to obtain a mixture A for later use;
secondly, mixing the silica gel with the residual dehydrated water to prepare a silica gel aqueous solution;
thirdly, adding a lotus leaf hydrophobing agent, an antioxidant, argil and hollow glass beads into the reactor, and uniformly stirring to obtain a mixture B for later use;
and fourthly, slowly adding the mixture A into the mixture B, and uniformly stirring and mixing to obtain the hydrophobic layer component.
By the technical scheme, the preparation of the hydrophobic layer material can be completed through the steps.
In summary, compared with the prior art, the beneficial effects of the invention are as follows:
1. firstly, a plurality of air bag structures arranged in a hollow cavity of the hollow glass can play a supporting role, and the supporting role of the air bags is ensured to avoid the phenomenon of uneven thickness of the hollow glass caused by the deformation of a single hot melt adhesive strip ring in the process of processing and laminating the hollow glass;
2. the heat insulation plate arranged at the outer side of the air bag close to the hot melt adhesive strip ring can reduce the phenomenon of air bag wall melting during hot melt adhesive strip ring, and the air bag has stable performance;
3. the coating of the outer hydrophobic layer of the vacuum glass can increase the water resistance of the glass, the surface of the glass can be coated with dust after long-time use, the coated glass can even influence the visual effect of the glass, the hydrophobic layer can improve the phenomenon to a certain extent, rainwater falls on the glass in rainy days, and balls are formed by the rainwater to bring the dust to fall off together due to the hydrophobic structure on the surface of the glass;
4. the process of glue filling during the manufacture of the hollow glass increases the sealing performance of the vacuum glass, and particularly, rainwater is not easy to permeate into the hollow interlayer when falling on the surface of the glass.
Drawings
FIG. 1 is a structural view of an insulating glass of an embodiment.
Reference numerals: 11. an intermediate glass layer; 12. an outer glass layer; 13. a ring frame; 14. a hollow cavity; 141. an air bag; 1411. a pvc membrane; 142. a heat insulating plate; 15. hot melt adhesive strip loops; 151. embedding a groove; 152. mounting grooves; 153. a desiccant box; 1531. molecular sieve desiccant 16, hydrophobic layer.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A kind of hollow glass, as shown in figure 1, including the middle glass layer 11, set up in the outer glass layer 12 and ring frame 13 for middle glass layer 11 and outer glass layer 12 of both sides of middle glass layer 11 to inlay all around, there are hollow cavities 14 between two outer glass layers 12 and middle glass layer 11, there are hot melt adhesive strip rings 15 around outer glass layer 12 and middle glass layer 11, the medial surface of the hot melt adhesive strip ring 15 has width identical to middle glass layer 11 width and supports the inlaid slot 151 of the middle glass layer 11, there are multiple gasbags 141 closely laminated in two hollow cavities 14, the gasbags 141 are filled with inert gas, and the bag wall of the gasbags 141 is a transparent rubber body, there are insulating panels 142 between gasbags 141 and hot melt adhesive strip rings 15, offer the mounting groove 152 communicating with hollow cavity 14 on the hot melt adhesive strip ring 15, there are open-ended drying agent boxes 153 on the wall close to hollow cavity 14 in the mounting groove 152, a molecular sieve desiccant 1531 is disposed within the desiccant cartridge 153.
The vacuum insulation panel 142 is selected as the insulation panel 142, which has a relatively high thermal conductivity, and is used in the hollow glass to reduce interference with the bladder 141 when the hot melt adhesive coil 15 is hot-melted.
And the periphery at gasbag 141 glues there is the pva diaphragm 1411, and the setting of pva diaphragm 1411 can increase the viscidity ability between gasbag 141 and middle glass layer 11 or outer glass layer 12, and gasbag 141's structural stability is high.
The hot melt adhesive tape ring in the embodiment is prepared according to the following components.
| Components | Component 1 | Component 2 | Component 3 | Component 4 | Component 5 |
| Nitrile butadiene rubber | 90 | 91 | 92 | 93 | 95 |
| Molecular sieve activating powder | 80 | 85 | 90 | 95 | 100 |
| Vulcanizing agent | 1 | 1.2 | 1.5 | 1.7 | 2 |
| Foaming agent | 5 | 6 | 7 | 9 | 10 |
| Coupling agent | 1 | 1.2 | 1.5 | 1.7 | 2 |
| Auxiliary agent | 1 | 1.1 | 1.25 | 1.4 | 1.5 |
| White carbon black | 5 | 6 | 7 | 9 | 10 |
Note: the vulcanizing agent is selected from bis 2,5(2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane);
the coupling agent is selected from bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide.
Polyethylene wax is selected as the auxiliary agent;
the coupling agent is bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide;
the foaming auxiliary agent is selected from one of an AC foaming agent or sodium bicarbonate p-benzenesulfonyl hydrazide.
The hot melt adhesive strip 15 comprises the following preparation steps:
step 1, mixing for the first time, namely mixing the butadiene-acrylonitrile rubber, the molecular sieve activating powder, the auxiliary agent and the white carbon black by using a kneading machine or an open mill; when a kneading machine is adopted, the temperature is controlled to be 100-130 ℃, when an open mill is adopted, the temperature is not more than 50 ℃, the time is 10-15 minutes, and the masterbatch is obtained for later use;
step 2: and (3) second-stage mixing: mixing the master batch, the foaming agent, the coupling agent and the vulcanizing agent by using an open mill to obtain a mixed rubber, extruding the mixed rubber into a mixed rubber strip for later use, controlling the temperature below 50 ℃ and the time to be 15-20 minutes;
and step 3: placing the rubber strip of the rubber compound in a cold feed extruder to be extruded and molded into an unvulcanized rubber strip, controlling the temperature of each section of the extruder to be 30-70 ℃, gradually lifting from the feeding section to the machine head section, and determining the shape of an extruded product according to the structure of a hot melt adhesive strip coil;
and 4, step 4: vulcanizing and cooling an unvulcanized rubber strip through a hot air-microwave linkage production line to obtain the energy-saving micro-closed-pore silicone rubber hollow glass spacing strip, wherein the hot air-microwave linkage production line comprises a high-temperature shaping section, a microwave vulcanization section, a hot air vulcanization section and a cooling section, the lengths of the hot air-microwave linkage production line are 3 meters, 6 meters and 18 meters respectively, the processing temperatures are 220-300 ℃, 200-240 ℃, 200-260 ℃ and normal temperature respectively, and the extrusion speed is 5-15 meters per minute.
Example 2
A production process of hollow glass comprises the following preparation processes:
s1: cutting, namely cutting the purchased glass sheet according to the specifications of the middle glass layer 11 and the outer glass layer 12;
s2: grinding and washing, namely grinding the cut glass corners, flushing water on the contact part of the equipment processing part and the glass during grinding so as to avoid generating glass dust, enabling the flushing water to enter a sedimentation tank, standing and precipitating, recycling supernatant liquor, and collecting glass powder as solid waste;
s3: the sheet combining process includes the steps that hot melt adhesive strip coils 15 are wound around the middle glass layer 11, sheet combining is conducted through an automatic sheet combining machine, the whole process includes arranging outer glass on a workbench, then air bags 141 are arranged on the surface of the outer glass layer 12 in a tidy mode, heat insulation plates 142 are adhered to the side walls of the air bags 141 close to the two sides, then middle glass is arranged above the air bags 141, the air bags 141 are laid above the middle layers, the heat insulation plates 142 are adhered to the side walls of the air bags 141 close to the two sides continuously after laying is finished, another outer glass layer 12 is laid above the air bags 141 after laying is finished, then the three glass layers are placed into a hollow frame to be pressed flatly, and finally a ring frame 13 is clamped and embedded on the peripheries of the three glass layers;
s4: heating the peripheries of the three layers of glass in a hot pressing box of the glass conveying net stacked together at 150-220 ℃ to melt the periphery of the hot melt adhesive strip ring 15 and tightly attach the outer layer of glass;
s5: and (3) glue filling, namely performing glue filling and curing operation between the ring frame 13 and the outer-layer glass, and coating polysulfide glue or silicone glue by using an automatic rotary glue coating machine for sealing.
And after the processing is finished, spraying a hydrophobic layer on one side of the outer layer glass, which is far away from the middle layer glass.
The hydrophobic layer in the embodiment is prepared according to the following weight parts.
| Components | Component a | Component b | Component c | Component d | Component e |
| Resin emulsion | 20 | 22 | 25 | 27 | 30 |
| Water (W) | 50 | 55 | 60 | 70 | 80 |
| Silica gel | 10 | 12 | 15 | 17 | 20 |
| Lotus leaf hydrophobing agent | 1 | 2 | 3 | 4 | 5 |
| Clay | 0.5 | 0.6 | 0.7 | 0.9 | 1 |
| Antioxidant agent | 0.8 | 1 | 1.2 | 1.4 | 1.5 |
| Hollow glass bead | 0.1 | 0.3 | 05 | 0.7 | 1 |
| Ethanol | 30 | 35 | 40 | 50 | 60 |
Wherein the antioxidant is selected from hindered phenol antioxidants.
Experimental detection
Detection was carried out according to GB/T7020-
1. Dew point: the dew point is less than or equal to minus 40 ℃ and is qualified;
2. appearance: stains and foreign matter that hinder fluoroscopy should not be present.
20 groups of the hollow glass processed and formed in the embodiment 2 are randomly selected and inspected, and all the groups meet the requirements.
And the rejection rate of the stripping force of the embodiment 2 in the processing process is 2.5-2.8%.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (2)
1. The hollow glass is characterized in that: the glass-reinforced plastic composite material comprises an intermediate glass layer (11), outer glass layers (12) arranged on two sides of the intermediate glass layer (11) and a ring frame (13) for clamping and embedding the intermediate glass layer (11) and the outer glass layer (12) all around, wherein a hollow cavity (14) is formed between the outer glass layer (12) and the intermediate glass layer (11), hot melt adhesive strip rings (15) are arranged around the outer glass layer (12) and the intermediate glass layer (11), the inner side surface of each hot melt adhesive strip ring (15) is provided with an embedding groove (151) which has the same width as that of the intermediate glass layer (11) and is used for embedding the intermediate glass layer (11), a plurality of air bags (141) tightly attached are arranged in the hollow cavity (14), inert gas is filled in the air bags (141), the bag walls of the air bags (141) are transparent rubber bodies, and a heat insulation plate (142) is arranged between the air bags (141) and the hot melt adhesive strip rings (15), an installation groove (152) communicated with the hollow cavity (14) is formed in the hot melt adhesive strip ring (15), an open desiccant box (153) is arranged on the wall, close to the hollow cavity (14), of the installation groove (152), and a molecular sieve desiccant (1531) is contained in the desiccant box (153); a pvb membrane (1411) is adhered to the periphery of the air bag (141);
the hot melt adhesive strip ring (15) comprises the following components, by weight, 90-95 parts of nitrile rubber, 80-100 parts of molecular sieve activation powder, 1-2 parts of vulcanizing agent, 5-10 parts of foaming agent, 1-2 parts of coupling agent, 1-1.5 parts of auxiliary agent and 5-10 parts of white carbon black; the vulcanizing agent is selected from 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane; the coupling agent is bis- [ gamma- (triethoxysilyl) propyl ] tetrasulfide;
the production process of the hollow glass comprises the following preparation processes:
s1: cutting, namely cutting the purchased glass sheet according to the specifications of the middle glass layer (11) and the outer glass layer (12);
s2: grinding and washing, namely grinding the cut glass corners, flushing water on the contact part of the equipment processing part and the glass during grinding so as to avoid generating glass dust, enabling the flushing water to enter a sedimentation tank, standing and precipitating, recycling supernatant liquor, and collecting glass powder as solid waste;
s3: the method comprises the following steps of laminating, winding hot melt adhesive strip coils (15) around a middle glass layer (11), laminating by using an automatic laminating machine, wherein the whole process comprises arranging outer glass on a workbench, then arranging air bags (141) on the surface of the outer glass layer (12) in order, adhering heat insulation plates (142) on the side walls of the air bags (141) close to two sides, arranging the middle glass above the air bags (141), laying the air bags (141) above the middle layer, continuously adhering heat insulation plates (142) on the side walls of the air bags (141) close to two sides after finishing laying, laying the other outer glass layer (12) above the air bags (141) after laying, then placing the three glass layers into a hollow frame for flat laminating, and finally clamping and embedding a ring frame (13) at the periphery of the three glass layers; an embedding groove (151) which has the same width as the middle glass layer (11) and is used for embedding the middle glass layer (11) is formed in the inner side surface of the hot melt adhesive strip ring (15), a heat insulation plate (142) is arranged between the air bag (141) and the hot melt adhesive strip ring (15), an installation groove (152) communicated with the hollow cavity (14) is formed in the hot melt adhesive strip ring (15), an open drying agent box (153) is arranged on the wall, close to the hollow cavity (14), of the installation groove (152), and a molecular sieve drying agent (1531) is contained in the drying agent box (153); a pvb membrane (1411) is adhered to the periphery of the air bag (141);
s4: conveying the stacked glass to a hot pressing box, and heating the peripheries of the three layers of glass to enable the periphery of the hot melt adhesive strip ring (15) to be tightly attached to the outer layer of glass;
s5: glue filling, namely performing glue filling and curing operation between the ring frame (13) and the outer layer glass, and coating polysulfide glue or silicone glue by using an automatic rotary glue coating machine for sealing;
after the processing is finished, spraying a hydrophobic layer (16) on one side of the outer glass layer far away from the side of the middle glass layer (11); the hydrophobic layer (16) comprises, by weight, 20-30 parts of resin emulsion, 50-80 parts of water, 10-20 parts of silica gel, 1-5 parts of a lotus leaf hydrophobic agent, 0.5-1 part of argil, 0.8-1.5 parts of an antioxidant, 0.1-1 part of hollow glass beads and 30-60 parts of ethanol.
2. The insulating glass according to claim 1, wherein: the process for the preparation of the hydrophobic layer (16) comprises the steps of,
uniformly mixing ethanol, 10-20 parts of water and resin emulsion to obtain a mixture A for later use;
secondly, mixing the silica gel with the rest water to prepare a silica gel aqueous solution;
thirdly, adding a lotus leaf hydrophobing agent, an antioxidant, argil and hollow glass beads into the reactor, and uniformly stirring to obtain a mixture B for later use;
and fourthly, slowly adding the mixture A into the mixture B, and uniformly stirring and mixing to obtain a hydrophobic layer (16) component.
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| CN109280230A (en) * | 2018-09-20 | 2019-01-29 | 翟琳 | A kind of ageing-resistant sealant |
| CN110040985B (en) * | 2019-04-09 | 2021-05-07 | 张家港市国华安全玻璃有限公司 | Preparation method of double-piece hollow-structure safety glass |
| CN114425903B (en) * | 2022-01-19 | 2023-12-22 | 四川雄港玻璃有限公司 | Laminated glass production system |
| CN118006040B (en) * | 2024-01-31 | 2025-01-14 | 浙江亿通新材料科技有限公司 | A rust-proof sheet and extrusion equipment for new energy batteries |
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| CN1986470A (en) * | 2006-12-28 | 2007-06-27 | 倪既民 | Bag sandwiching hollow glass |
| CN102702996A (en) * | 2012-05-14 | 2012-10-03 | 郑州中原应用技术研究开发有限公司 | Non-drying antiseptic sealant with drying capacity and preparation method thereof |
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