CN105111655A - Light guide plate manufacturing technological process system - Google Patents
Light guide plate manufacturing technological process system Download PDFInfo
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- CN105111655A CN105111655A CN201510591239.5A CN201510591239A CN105111655A CN 105111655 A CN105111655 A CN 105111655A CN 201510591239 A CN201510591239 A CN 201510591239A CN 105111655 A CN105111655 A CN 105111655A
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- light guiding
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Abstract
The invention discloses a light guide plate manufacturing technological process system which comprises a raw material reaction configuration stage and a forming stage. Equipment of the raw material reaction configuration stage comprises a first static mixer, a pre aggregator, a polymerization reactor, a second static mixer, a first rear reactor, a second rear reactor, a third static mixer, a mixing-heat exchanger, a first devolatilization tank, a fourth static mixer and a second devolatilization tank which are sequentially arranged. Equipment of the forming stage comprises a blender, extrusion equipment, a die forming machine, a hot-pressing roll and a water cooling device. Raw materials are synthesized through the raw material reaction configuration stage, then mixed and dried through the blender in the forming stage, melted through the extrusion equipment, shaped through the die forming machine, hot-pressed through the hot-pressing roll in sequence and then conveyed to the water cooling device to be cooled.
Description
Technical field
The present invention relates generally to a kind of light guiding plate manufacture craft, particularly relates to a kind of light guiding plate fabrication processing system.
Background technology
Polymethylmethacrylate (PMMA) resin is the ever-increasing thermoplastics of a kind of consumption.Its transmittance is higher than simple glass by more than 10%, and light weight is tough and tensile.In addition, it also has certain physical and mechanical properties, as erosion resistance, electrical insulating property, higher mechanical strength, under certain condition dimensional stabilizing be easy to machine-shaping, can also carry out secondary processing such as frustrating, cut.Thus the every field of the national economy such as aviation, automobile, boats and ships, illumination, electronics, opticinstrument, instrument, Medical Instruments, communication and cultural goods is widely used in;
Traditional light guiding plate is by various polymkeric substance and additive is blended is shapingly prepared from, first this just need raw material to be prepared into polymer masterbatch, and do not have direct continuous seepage to become light guide panel material, technique is loaded down with trivial details, the duplication of labour, cause unnecessary energy consumption, waste resource, improve production cost.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of light guiding plate fabrication processing system.
The present invention is achieved by the following technical solutions:
A kind of light guiding plate fabrication processing system, it is characterized in that: described flow system comprises raw material reaction configuration phase and formative stage, described raw material reaction configuration phase equipment includes static mixer one, pre-polymerizer, polymerization reactor, static mixer two, post-reactor one, post-reactor two, static mixer three, mixing-heat exchanger, devolatilization tank one, static mixer four, the devolatilization tank two of arranging successively, and described formative stage equipment includes stirrer, extrusion equipment, die molding machine, hot-pressing roller and water cooling plant;
Described devolatilization tank two upper inside is provided with sparger; Described hot-pressing roller includes hot-pressing roller, middle hot-pressing roller and lower take off roll, and described upper hot-pressing roller and middle hot-pressing roller upper surface are respectively equipped with reason to be embossed; Described water cooling plant includes the cold water pipes of water tank and spread configuration, and described cold water pipes two ends and water tank both sides are connected, and forms a water circulation system;
Raw material is melted through the stirrer combination drying of formative stage, extrusion equipment successively after raw material reaction configuration phase is synthetic again, die molding machine sizing, hot-pressing roller hot pressing, be finally sent to water cooling plant and cool.
A kind of light guiding plate fabrication processing system, described reaction raw materials is made up of the raw material of following weight parts: monomer a90-100, monomer b40-50, polymer solvent 10-12, softening agent 1-2, initiator 0.08-0.35, chain-transfer agent 0.6-1.
A kind of light guiding plate fabrication processing system, described monomer a is methyl methacrylate; Monomer b is one or more in methyl acrylate, ethyl propenoate, butyl acrylate; Polymer solvent is the one in toluene, ethyl acetate, butylacetate, methyl alcohol, ethanol; Softening agent is dibutyl ester; Described initiator is dibenzoyl peroxide; Described chain-transfer agent is one or more in n-dodecyl mercaptan, tertiary lauryl mercaptan, n-butyl mercaptan.
A kind of light guiding plate fabrication processing system, reaction basic procedure of the present invention is: raw material mixing, boiling type polyreaction, two sections of devolatilizations, stirring, injection moulding, hot pressing, water-cooled.
A kind of light guiding plate fabrication processing system, described boiling type polymeric reaction temperature is 130-160 DEG C.
A kind of light guiding plate fabrication processing system, the air pressure in two sections of described devolatilizations in devolatilization tank one is 4 × 10
3-4.8 × 10
4pa; The resultant refining through devolatilization tank one devolatilization is conveyed into static mixer four, and be heated to 240-260 DEG C, then be conveyed into devolatilization tank two, devolatilization tank internal gas pressure is 1 × 10
3-1.2 × 10
3pa.
A kind of light guiding plate fabrication processing system, in devolatilization tank two, polymkeric substance becomes molten to pump into stirrer, then adds light guiding plate additive and mixes;
A kind of light guiding plate fabrication processing system, polystyrene, nano titanium oxide, polycarbonate, the N of described light guiding plate additive to be weight ratio be 10:0.4-0.6:1-2:0.2-0.3, N-methylene-bisacrylamide mixing composition, addition is the 0.5-1% of monomer a weight.
Advantage of the present invention is:
The present invention adopts continous way mass polymerization producing shaped light guiding plate, effectively gelatin phenomenon can be suppressed in the polymer reaction stage, through twice devolatilization process, can thoroughly remove residual monomer and solvent, to reach the high level that optical grade requires, improve transmittance, resultant after devolatilization tank two and additive directly carry out blending and stirring process, eliminate the step that tradition is molded into master batch, reduce production cost, simplify production unit, and the residual heat of resultant can effectively reduce the temperature of injection moulding after devolatilization tank two, reduce further energy consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of light guiding plate fabrication processing system, described flow system comprises raw material reaction configuration phase 1 and formative stage 2, described raw material reaction configuration phase 1 equipment includes the static mixer 1 of arranging successively, pre-polymerizer 4, polymerization reactor 5, static mixer 26, post-reactor 1, post-reactor 28, static mixer 39, mixing-heat exchanger 10, devolatilization tank 1, static mixer 4 12, devolatilization tank 2 13, described formative stage 2 equipment includes stirrer 15, extrusion equipment 16, die molding machine 17, hot-pressing roller 18 and water cooling plant 19,
Described devolatilization tank 2 13 upper inside is provided with sparger 14; Described hot-pressing roller 18 includes hot-pressing roller 22, middle hot-pressing roller 20 and lower take off roll 21, and described upper hot-pressing roller 22 is respectively equipped with reason 23 to be embossed with middle hot-pressing roller 20 upper surface; Described water cooling plant 19 includes the cold water pipes 25 of water tank 24 and spread configuration, and described cold water pipes 25 two ends and water tank 24 both sides are connected, and forms a water circulation system;
By raw material after raw material reaction configuration phase 1 is synthetic more successively through formative stage 2 stirrer 15 combination drying, extrusion equipment 16 melts, die molding machine 17 is shaped, hot-pressing roller 18 hot pressing, be finally sent to water cooling plant 19 and cool.
A kind of light guiding plate fabrication processing system, described reaction raw materials is made up of the raw material of following weight parts: monomer a100, monomer b50, polymer solvent 12, softening agent 2, initiator 0.3, chain-transfer agent 0.6.
A kind of light guiding plate fabrication processing system, described monomer a is methyl methacrylate; Monomer b is methyl acrylate; Polymer solvent is toluene; Softening agent is dibutyl ester; Described initiator is dibenzoyl peroxide; Described chain-transfer agent is n-butyl mercaptan.
A kind of light guiding plate fabrication processing system, reaction basic procedure of the present invention is: raw material mixing, boiling type polyreaction, two sections of devolatilizations, stirring, injection moulding, hot pressing, water-cooled.
A kind of light guiding plate fabrication processing system, described boiling type polymeric reaction temperature is 160 DEG C.
A kind of light guiding plate fabrication processing system, the air pressure in two sections of described devolatilizations in devolatilization tank one is 4 × 10
3pa; The resultant refining through devolatilization tank one devolatilization is conveyed into static mixer four, and be heated to 260 DEG C, then be conveyed into devolatilization tank two, devolatilization tank internal gas pressure is 1 × 10
3pa.
A kind of light guiding plate fabrication processing system, in devolatilization tank two, polymkeric substance becomes molten to pump into stirrer, then adds light guiding plate additive and mixes;
A kind of light guiding plate fabrication processing system, polystyrene, nano titanium oxide, polycarbonate, the N of described light guiding plate additive to be weight ratio be 10:0.6:1:0.2, N-methylene-bisacrylamide mixing composition, addition is 0.5% of monomer a weight.
Claims (8)
1. a light guiding plate fabrication processing system, it is characterized in that: described flow system comprises raw material reaction configuration phase and formative stage, described raw material reaction configuration phase equipment includes static mixer one, pre-polymerizer, polymerization reactor, static mixer two, post-reactor one, post-reactor two, static mixer three, mixing-heat exchanger, devolatilization tank one, static mixer four, the devolatilization tank two of arranging successively, and described formative stage equipment includes stirrer, extrusion equipment, die molding machine, hot-pressing roller and water cooling plant;
Described devolatilization tank two upper inside is provided with sparger; Described hot-pressing roller includes hot-pressing roller, middle hot-pressing roller and lower take off roll, and described upper hot-pressing roller and middle hot-pressing roller upper surface are respectively equipped with reason to be embossed; Described water cooling plant includes the cold water pipes of water tank and spread configuration, and described cold water pipes two ends and water tank both sides are connected, and forms a water circulation system;
Raw material is melted through the stirrer combination drying of formative stage, extrusion equipment successively after raw material reaction configuration phase is synthetic again, die molding machine sizing, hot-pressing roller hot pressing, be finally sent to water cooling plant and cool.
2. a kind of light guiding plate fabrication processing system according to claim 1, is characterized in that what described reaction raw materials was made up of the raw material of following weight parts: monomer a90-100, monomer b40-50, polymer solvent 10-12, softening agent 1-2, initiator 0.08-0.35, chain-transfer agent 0.6-1.
3. a kind of light guiding plate fabrication processing system according to claim 1, is characterized in that described monomer a is methyl methacrylate; Monomer b is one or more in methyl acrylate, ethyl propenoate, butyl acrylate; Polymer solvent is the one in toluene, ethyl acetate, butylacetate, methyl alcohol, ethanol; Softening agent is dibutyl ester; Described initiator is dibenzoyl peroxide; Described chain-transfer agent is one or more in n-dodecyl mercaptan, tertiary lauryl mercaptan, n-butyl mercaptan.
4. a kind of light guiding plate fabrication processing system according to claim 1, is characterized in that reaction basic procedure of the present invention is: raw material mixing, boiling type polyreaction, two sections of devolatilizations, stirring, injection moulding, hot pressing, water-cooled.
5. a kind of light guiding plate fabrication processing system according to claim 1, is characterized in that described boiling type polymeric reaction temperature is 130-160 DEG C.
6. a kind of light guiding plate fabrication processing system according to claim 1, is characterized in that the air pressure in two sections of described devolatilizations in devolatilization tank one is 4 × 10
3-4.8 × 10
4pa; The resultant refining through devolatilization tank one devolatilization is conveyed into static mixer four, and be heated to 240-260 DEG C, then be conveyed into devolatilization tank two, devolatilization tank internal gas pressure is 1 × 10
3-1.2 × 10
3pa.
7. a kind of light guiding plate fabrication processing system according to claim 1, it is characterized in that in devolatilization tank two, the polymkeric substance of generation becomes molten to pump into stirrer, then adds light guiding plate additive and mixes.
8. a kind of light guiding plate fabrication processing system according to claim 1, it is characterized in that described light guiding plate additive to be weight ratio be polystyrene, nano titanium oxide, polycarbonate, the N of 10:0.4-0.6:1-2:0.2-0.3, N-methylene-bisacrylamide mixing composition, addition is the 0.5-1% of monomer a weight.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729841A (en) * | 2016-03-08 | 2016-07-06 | 深圳市帝显电子有限公司 | Machining method for light guide boards |
| CN108164630A (en) * | 2017-12-28 | 2018-06-15 | 天津仁泰化学工业股份有限公司 | Continous way modified polystyrene leaded light board production technology and modified polystyrene light guide plate |
| CN108164626A (en) * | 2017-12-28 | 2018-06-15 | 天津仁泰化学工业股份有限公司 | Continous way polystyrene spreads board production technology and polystyrene diffuser plate |
| CN108189437A (en) * | 2017-12-28 | 2018-06-22 | 天津仁泰化学工业股份有限公司 | Continous way polystyrene leaded light board production technology and polystyrene light guide plate |
| CN108690154A (en) * | 2017-04-10 | 2018-10-23 | 江俊慧 | Acrylic plate manufacturing method and its use fixture |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729841A (en) * | 2016-03-08 | 2016-07-06 | 深圳市帝显电子有限公司 | Machining method for light guide boards |
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| CN108164630A (en) * | 2017-12-28 | 2018-06-15 | 天津仁泰化学工业股份有限公司 | Continous way modified polystyrene leaded light board production technology and modified polystyrene light guide plate |
| CN108164626A (en) * | 2017-12-28 | 2018-06-15 | 天津仁泰化学工业股份有限公司 | Continous way polystyrene spreads board production technology and polystyrene diffuser plate |
| CN108189437A (en) * | 2017-12-28 | 2018-06-22 | 天津仁泰化学工业股份有限公司 | Continous way polystyrene leaded light board production technology and polystyrene light guide plate |
| CN108189437B (en) * | 2017-12-28 | 2019-03-19 | 天津仁泰化学工业股份有限公司 | Continous way polystyrene leaded light board production technology and polystyrene light guide plate |
| CN108164630B (en) * | 2017-12-28 | 2020-07-24 | 天津仁泰新材料股份有限公司 | Continuous production process of modified polystyrene light guide plate and modified polystyrene light guide plate |
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| CN105111655B (en) | 2017-09-29 |
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Effective date of registration: 20200520 Address after: No. 20, Lunjiao Xintang Industrial Zone, Shunde District, Foshan City, Guangdong Province, 528300 Patentee after: Shunde Foshan Hongfeng Industry Co., Ltd. Address before: 528300 Guangdong province Foshan city Shunde District Lunjiao Street Pine Road, Lane 2, dragon arch Patentee before: Liang Zhiyong |
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