CN102504456A - Production process and production system of durable PVB (polyvinyl butyral) intermediate films - Google Patents
Production process and production system of durable PVB (polyvinyl butyral) intermediate films Download PDFInfo
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- CN102504456A CN102504456A CN2011103382108A CN201110338210A CN102504456A CN 102504456 A CN102504456 A CN 102504456A CN 2011103382108 A CN2011103382108 A CN 2011103382108A CN 201110338210 A CN201110338210 A CN 201110338210A CN 102504456 A CN102504456 A CN 102504456A
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Abstract
The invention discloses a production process and a production system of durable PVB (polyvinyl butyral) intermediate films. The production process includes: the first step of preparing, the second step of extruding, the third step of casting and the fourth step of forming and packaging. The production system consists of a liquid storage tank, a storage bin, an extruder, a rotary plate type fuse filter, a mould head, a water cooling device, a drying device and a control device, wherein the liquid storage tank and the storage bin are connected with the extruder, the extruder is connected with the rotary plate type fuse filter, the rotary plate fuse filter is connected with the mould head through a metering pump by the aid of pipelines, the water cooling device is arranged at the rear end of the mould head, and the drying device is arranged behind the water cooling device. The production process and the production system have the advantages that the produced intermediate films are uniform in thickness, fine in durability, low in energy consumption and production cost, stable in quality and capable of being produced in industrialization.
Description
Technical field
The present invention relates to a kind of production technique and production system of polyvinyl butyral acetal intermediate coat, particularly a kind of production technique and production system of weather resistance polyvinyl butyral acetal PVB intermediate coat.
Background technology
The PVB film is mainly used in laminated glass, be between two blocks of glass folder to advance one deck be the PVB film of staple with the polyvinyl butyral resin.PVB laminated glass is owing to have multinomial functions such as safety, insulation, control noise and isolation ultraviolet ray; Can be widely used in construction industry, car industry, air system, financial industry; Be particularly suitable for splinter-proof glass, but, cause the PVB uneven film thickness of producing because there is more defective in existing production technique; And weather resistance is bad; Under certain irradiation, take place easily agingly, will wear out in the short period and lose effectiveness, cause laminated glass not reach corresponding requirement and lost effect.
Summary of the invention
The technical problem that the present invention will solve is that there is defective in existing polyvinyl butyral acetal PVB intermediate coat production technique, causes the PVB uneven film thickness produced and the bad problem of weather resistance and the production technique and the production system of a kind of weather resistance polyvinyl butyral acetal PVB intermediate coat of providing.
The production craft step of a kind of weather resistance polyvinyl butyral acetal PVB intermediate coat of the present invention is described below:
The first step: batching
UV light absorber, inhibitor, oxidation inhibitor added be warming up to 60 ℃ in the softening agent and be cooled to 40 ℃ after letting it fully dissolve to process the softening agent fluid mix for use; The weight percent of various materials is: UV light absorber 1.48%, inhibitor 0.74%, oxidation inhibitor 0.357%, softening agent 97.423%; Wherein UV light absorber is UVP-327; Composition is 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole; Inhibitor is a phosphorous acid ester, molecular formula: C42H6303P; Oxidation inhibitor is antioxidant 1076, and name is called the positive octadecanol ester of propionic acid, molecular formula: C35H6203; Softening agent is triglycol two 2-ethylhexoates, molecular formula: C22H4206;
Second step: extrude
(1), the adding of softening agent fluid mix: use the meter injection pump that the softening agent fluid mix of processing in the above-mentioned the first step is injected forcing machine equably;
(2), the adding of PVB resin-oatmeal: use metering screw and auxiliary agitator that the PVB resin-oatmeal is injected forcing machine equably;
(3), softening agent fluid mix and PVB resin-oatmeal together add forcing machine, the weight percent of two kinds of materials is: softening agent fluid mix 26%, PVB resin-oatmeal 74%; Forcing machine is divided into intake zone and mixing district; The Heating temperature of intake zone is 50～80 ℃; The Heating temperature in mixing district is: 140～160 ℃; The outlet of extruder Heating temperature is 140～160 ℃, softening agent fluid mix and PVB resin-oatmeal through forcing machine after thorough mixing and be heated to form uniform fluid mix, forcing machine is the twin screw degassing extruder;
(4), above-mentioned being extruded through the fluid mix after the heating inject the rotating disc type fondant filter behind the machine thorough mixing through volume pump input die head, the rotating disc type fondant filter has self-cleaning function;
The 3rd step: curtain coating
The PVB fluid mix of input die head forms film after coming out from die head, through after the water for cooling apparatus processes film being dried, can film be drawn into the film of thickness up to specification again through the speed control of thickness tester pair roller;
The 4th step: formed package
Film gets into drying unit and carries out stress processing and moisture content adjusting, and film moulding post-shrinkage ratio and moisture content are controlled in the acceptability limit, carries out cooling and shaping after coming out from drying unit, curls to pack and appear on the scene.
The production system of weather resistance polyvinyl butyral acetal PVB intermediate coat of the present invention is made up of container for storing liquid, storage bin, forcing machine, rotating disc type fondant filter, die head, water for cooling device, drying unit and gear, and wherein container for storing liquid is connected with forcing machine with storage bin, and container for storing liquid is used to store the softening agent fluid mix; Be provided with the meter injection pump between container for storing liquid and the forcing machine; Storage bin is used to store the PVB resin-oatmeal, is provided with metering screw and auxiliary agitator in the storage bin, is provided with intake zone and mixing district in the forcing machine; The Heating temperature of intake zone is 50～80 ℃; The Heating temperature in mixing district is: 140～160 ℃, forcing machine is the twin screw degassing extruder, and forcing machine is connected with the rotating disc type fondant filter; The rotating disc type fondant filter has self-cleaning function; The rotating disc type fondant filter is connected by pipeline through between volume pump and the die head, and curtain coating partly is provided with thickness tester, is used to detect the thickness of film; The die head rear end is provided with the water for cooling device; Be provided with drying unit behind the water for cooling device, container for storing liquid, storage bin, forcing machine, rotating disc type fondant filter, die head, water for cooling device, drying unit are controlled by gear, and gear is by computer control.
The working process of production system of the present invention:
UV light absorber, inhibitor, oxidation inhibitor added be warming up to 60 ℃ in the softening agent and be cooled to 40 ℃ after letting it fully dissolve and process the softening agent fluid mix and pack into for usely in the container for storing liquid, through the meter injection pump softening agent fluid mix is injected forcing machine equably during production; Make the PVB resin-oatmeal inject forcing machine equably through metering screw in the storage bin and auxiliary agitator the PVB resin-oatmeal this moment; Make softening agent fluid mix and PVB resin-oatmeal together add forcing machine; Softening agent fluid mix and PVB resin-oatmeal through forcing machine after thorough mixing and be heated to form uniform compound liquid after inject the rotating disc type fondant filter through volume pump input die head; The PVB fluid mix of input die head forms film after coming out from die head; Can film be drawn into the film of thickness up to specification through the speed control of thickness tester pair roller; After the film process water for cooling apparatus processes of die head output, get into drying unit, carry out cooling and shaping after coming out from drying unit, curl to pack and appear on the scene.
Beneficial effect of the present invention:
The weather resistance polyvinyl butyral acetal PVB intermediate coat thickness of processing through production technique of the present invention and production system evenly and good endurance; Can be in awide temperature range bonding effectively unorganic glass; Unorganic glass had good cohesiveness; Have characteristics such as transparent, heat-resisting, cold-resistant, moisture-proof, physical strength height; Have multinomial functions such as safety, insulation, control noise and isolation ultraviolet ray, be widely used in sandwich boards for construction glass and automotive safety glass, and also obtained using widely in fields such as space flight, military affairs, new and high technology industry and solar receivers.
Production technique of the present invention and production system operation are fairly simple, and energy consumption is little, and raw material consumption is few, and production cost is low, and constant product quality can be carried out industrialization production.
Description of drawings
Fig. 1 production system synoptic diagram of the present invention.
1, container for storing liquid 2, storage bin 3, forcing machine 4, rotating disc type fondant filter
5, die head 6, water for cooling device 7, drying unit 8, gear
9, meter injection pump 10, volume pump.
Embodiment
See also shown in Figure 1:
The production craft step of a kind of weather resistance polyvinyl butyral acetal PVB intermediate coat of the present invention is described below:
The first step: batching
Get and be warming up to 60 ℃ in the softening agent that UV light absorber 3.848kg, inhibitor 1.924kg, oxidation inhibitor 0.928kg add 253.3kg and be cooled to 40 ℃ after letting it fully dissolve and process the softening agent fluid mix to put into container for storing liquid 1 for use; Wherein UV light absorber is UVP-327; Composition is 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole; Inhibitor is a phosphorous acid ester, molecular formula: C42H6303P; Oxidation inhibitor is antioxidant 1076, and name is called the positive octadecanol ester of propionic acid, molecular formula: C35H6203; Softening agent is triglycol two 2-ethylhexoates, molecular formula: C22H4206;
Second step: extrude
(1), the adding of softening agent fluid mix: use meter injection pump 9 that the 260kg softening agent fluid mix of processing in the above-mentioned the first step is injected forcing machine 3 equably in container for storing liquid 1;
(2), the adding of PVB resin-oatmeal: use metering screw and auxiliary agitator that 740kg PVB resin-oatmeal is injected forcing machine 3 equably in storage bin 2;
(3), softening agent fluid mix and PVB resin-oatmeal together add forcing machine 3; Forcing machine 3 is divided into intake zone and mixing district; The Heating temperature of intake zone is 50～80 ℃, and the Heating temperature in mixing district is: 140～160 ℃, the outlet Heating temperature of forcing machine 3 is 140～160 ℃; Softening agent fluid mix and PVB resin-oatmeal are through forcing machine 3 back thorough mixing and be heated to form uniform fluid mix, and forcing machine 3 is the twin screw degassing extruder;
(4), above-mentioned being extruded through the fluid mix after the heating inject rotating disc type fondant filter 4 behind machine 3 thorough mixing through volume pump 10 input die heads 5, rotating disc type fondant filter 4 has self-cleaning function;
The 3rd step: curtain coating
The PVB fluid mix of input die head 5 forms film after coming out from die head 5, handles the back through water for cooling device 6 film is dried, and can film be drawn into the film of thickness up to specification again through the speed control of thickness tester pair roller;
The 4th step: formed package
Film entering drying unit 7 carries out the stress processing and moisture content is regulated, and film moulding post-shrinkage ratio and moisture content are controlled in the acceptability limit, after drying unit 7 comes out, carries out cooling and shaping, curling packing appearance.
The production system of weather resistance polyvinyl butyral acetal PVB intermediate coat of the present invention is made up of container for storing liquid 1, storage bin 2, forcing machine 3, rotating disc type fondant filter 4, die head 5, water for cooling device 6, drying unit 7 and gear 8, and wherein container for storing liquid 1 is connected with forcing machine 3 with storage bin 2, and container for storing liquid 1 is used to store the softening agent fluid mix; Be provided with meter injection pump 9 between container for storing liquid 1 and the forcing machine 3; Storage bin 2 is used to store the PVB resin-oatmeal, is provided with metering screw and auxiliary agitator in the storage bin 2, is provided with intake zone and mixing district in the forcing machine 3; The Heating temperature of intake zone is 50～80 ℃; The Heating temperature in mixing district is: 140～160 ℃, forcing machine 3 is the twin screw degassing extruder, and forcing machine 3 is connected with rotating disc type fondant filter 4; Rotating disc type fondant filter 4 has self-cleaning function; Rotating disc type fondant filter 4 is connected by pipeline through between volume pump 10 and the die head 5, and die head 5 is provided with thickness tester, is used to detect the thickness of film; Die head 5 rear ends are provided with water for cooling device 6; Be provided with drying unit 7 behind the water for cooling device 6, container for storing liquid 1, storage bin 2, forcing machine 3, rotating disc type fondant filter 4, die head 5, water for cooling device 6 and drying unit 7 are controlled by gear 8, and gear 8 is by computer control.
Each item index of the polyvinyl butyral acetal PVB intermediate coat of producing according to above-mentioned production technique and production system is as shown in the table:
Claims (5)
1. weather resistance polyvinyl butyral acetal PVB intermediate coat, its production craft step is described below:
The first step: batching
UV light absorber, inhibitor, oxidation inhibitor added be warming up to 60 ℃ in the softening agent and be cooled to 40 ℃ after letting it fully dissolve to process the softening agent fluid mix for use; The weight percent of various materials is: UV light absorber 1.48%, inhibitor 0.74%, oxidation inhibitor 0.357%, softening agent 97.423%; Wherein UV light absorber is UVP-327; Composition is 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole; Inhibitor is a phosphorous acid ester, molecular formula: C42H6303P; Oxidation inhibitor is antioxidant 1076, and name is called the positive octadecanol ester of propionic acid, molecular formula: C35H6203; Softening agent is triglycol two 2-ethylhexoates, molecular formula: C22H4206;
Second step: extrude
(1), the adding of softening agent fluid mix: use the meter injection pump that the softening agent fluid mix of processing in the above-mentioned the first step is injected forcing machine equably;
(2), the adding of PVB resin-oatmeal: use metering screw and auxiliary agitator that the PVB resin-oatmeal is injected forcing machine equably;
(3), softening agent fluid mix and PVB resin-oatmeal together add forcing machine, the weight percent of two kinds of materials is: softening agent fluid mix 26%, PVB resin-oatmeal 74%; Forcing machine is divided into intake zone and mixing district; The Heating temperature of intake zone is 50～80 ℃; The Heating temperature in mixing district is: 140～160 ℃; The outlet of extruder Heating temperature is 140～160 ℃, softening agent fluid mix and PVB resin-oatmeal through forcing machine after thorough mixing and be heated to form uniform compound;
(4), above-mentioned being extruded through the compound after the heating injected the rotating disc type fondant filter behind the machine thorough mixing through volume pump input die head;
The 3rd step: curtain coating
The PVB fluid mix of input die head forms film after coming out from die head, through after the water for cooling apparatus processes film being dried, can film be drawn into the film of thickness up to specification again through the speed control of thickness tester pair roller;
The 4th step: formed package
Film gets into drying unit and carries out stress processing and moisture content adjusting, and film moulding post-shrinkage ratio and moisture content are controlled in the acceptability limit, carries out cooling and shaping after coming out from drying unit, curls to pack and appear on the scene.
2. the production system of a weather resistance polyvinyl butyral acetal PVB intermediate coat; It is characterized in that: form by container for storing liquid, storage bin, forcing machine, rotating disc type fondant filter, die head, water for cooling device, drying unit and gear; Wherein container for storing liquid is connected with forcing machine with storage bin; Be provided with the meter injection pump between container for storing liquid and the forcing machine, be provided with metering screw and auxiliary agitator in the storage bin, be provided with intake zone and mixing district in the forcing machine; Forcing machine is connected with the rotating disc type fondant filter; The rotating disc type fondant filter is connected by pipeline through between volume pump and the die head, and the die head rear end is provided with the water for cooling device, is provided with drying unit behind the water for cooling device; Container for storing liquid, storage bin, forcing machine, rotating disc type fondant filter, die head, water for cooling device, drying unit are controlled by gear, and gear is by computer control.
3. the production system of a kind of weather resistance polyvinyl butyral acetal PVB intermediate coat according to claim 2 is characterized in that: the Heating temperature of intake zone is 50～80 ℃ in the described forcing machine, and the Heating temperature in mixing district is: 140～160 ℃.
4. the production system of a kind of weather resistance polyvinyl butyral acetal PVB intermediate coat according to claim 2 is characterized in that: described forcing machine is the twin screw degassing extruder.
5. the production system of a kind of weather resistance polyvinyl butyral acetal PVB intermediate coat according to claim 2 is characterized in that: described rotating disc type fondant filter has self-cleaning function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103382108A CN102504456A (en) | 2011-10-31 | 2011-10-31 | Production process and production system of durable PVB (polyvinyl butyral) intermediate films |
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| CN2011103382108A CN102504456A (en) | 2011-10-31 | 2011-10-31 | Production process and production system of durable PVB (polyvinyl butyral) intermediate films |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269794A (en) * | 2015-11-19 | 2016-01-27 | 湖北鄂皖高新科技有限公司 | Method for preparing ionic intermediate membrane for shatterproof glass |
| CN105622969A (en) * | 2015-11-26 | 2016-06-01 | 陈庆江 | Technology for producing polyvinyl butyral intermediate film |
| CN108909093A (en) * | 2018-06-13 | 2018-11-30 | 江苏润城节能科技有限公司 | A kind of production method of glue doubling steel glass |
| CN113459455A (en) * | 2021-05-25 | 2021-10-01 | 白鹏 | EVA plastic film extruder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962462A (en) * | 2010-10-30 | 2011-02-02 | 浙江德斯泰塑胶有限公司 | PVB intermediate film with fireproof function |
| CN102029704A (en) * | 2010-10-30 | 2011-04-27 | 浙江德斯泰塑胶有限公司 | Method for preparing thick polyvinyl butyral (PVB) film by direct water cooling process |
-
2011
- 2011-10-31 CN CN2011103382108A patent/CN102504456A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962462A (en) * | 2010-10-30 | 2011-02-02 | 浙江德斯泰塑胶有限公司 | PVB intermediate film with fireproof function |
| CN102029704A (en) * | 2010-10-30 | 2011-04-27 | 浙江德斯泰塑胶有限公司 | Method for preparing thick polyvinyl butyral (PVB) film by direct water cooling process |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269794A (en) * | 2015-11-19 | 2016-01-27 | 湖北鄂皖高新科技有限公司 | Method for preparing ionic intermediate membrane for shatterproof glass |
| CN105269794B (en) * | 2015-11-19 | 2018-01-02 | 湖北鄂皖高新科技有限公司 | A kind of preparation method of ionic intermediate coat for safety glass |
| CN105622969A (en) * | 2015-11-26 | 2016-06-01 | 陈庆江 | Technology for producing polyvinyl butyral intermediate film |
| CN108909093A (en) * | 2018-06-13 | 2018-11-30 | 江苏润城节能科技有限公司 | A kind of production method of glue doubling steel glass |
| CN113459455A (en) * | 2021-05-25 | 2021-10-01 | 白鹏 | EVA plastic film extruder |
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Application publication date: 20120620 |