WO2021114955A1 - Chaîne de production de moulage par extrusion à réaction unique pour plaques acryliques - Google Patents

Chaîne de production de moulage par extrusion à réaction unique pour plaques acryliques Download PDF

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Publication number
WO2021114955A1
WO2021114955A1 PCT/CN2020/126172 CN2020126172W WO2021114955A1 WO 2021114955 A1 WO2021114955 A1 WO 2021114955A1 CN 2020126172 W CN2020126172 W CN 2020126172W WO 2021114955 A1 WO2021114955 A1 WO 2021114955A1
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Prior art keywords
reactor
centrifugal
initiator
production line
extrusion molding
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PCT/CN2020/126172
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English (en)
Chinese (zh)
Inventor
汤月生
肖建霞
汤佳晨
宋飞
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泰兴汤臣压克力有限公司
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Publication of WO2021114955A1 publication Critical patent/WO2021114955A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/025—General arrangement or layout of plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets

Definitions

  • the invention relates to an acrylic production line, in particular to a one-time reaction extrusion molding production line of acrylic sheet.
  • particles are first prepared by polymerization of raw materials. All raw materials are mixed in a reactor, which is prone to explosion phenomenon, low polymerization rate, polymerization quality cannot be guaranteed, and the initiator volatile gas cannot be guaranteed after polymerization. It is effectively collected and processed, which increases the cost of polymerization production; after the particles are prepared, they are melted again and poured through a two-stage screw extrusion. The second melting wastes energy consumption, increases the production cycle and costs, and the extruded liquid directly falls on the casting mold. In the opening, the material liquid is exposed to the hidden dangers of ash, moisture and other pollution, which affects the forming quality of the board.
  • the invention provides a simple structure, convenient use, can take into account the full polymerization reaction of raw materials at one time, stable extrusion molding to produce plates of various length specifications, no volatile gas pollution, good molding quality, high production efficiency, and low cost.
  • the technical scheme adopted by the present invention is: an acrylic sheet one-time reaction extrusion molding production line, including a reaction kettle with an MMA feed pipe, characterized in that: the lower part of the reaction kettle is connected in series with an initiator via a discharge valve
  • the screw devolatilizer and the multiple tubular reactors are connected to the inlet of the screw devolatilizer.
  • the exhaust port of the screw devolatilizer is connected to the upper part of the reactor via the condenser.
  • the extrusion port of the screw devolatilizer is connected to the cylindrical shape at one end of the sizing feeding barrel.
  • An acrylic sheet one-time reaction extrusion molding production line comprising a reaction kettle with an MMA feed tube, characterized in that it also includes a centrifugal mixing reaction extrusion device, the centrifugal mixing reaction extrusion device including an extrusion rack, Front drive motor, outer reactor, inner reactor, rear drive motor, outer homogenizer, inner homogenizer, outer reactor and outer homogenizer are coaxially arranged front and rear, and can be rotatably supported in the extrusion frame, The outer gear ring of the outer reactor is driven by the front drive motor through the gear, and the outer gear ring of the outer screeder is driven by the rear drive motor through the gear. The inner circumferential wall of the outer reactor is evenly distributed on the circumference of the outer reactor.
  • Circular arc reaction tank the inner reactor is coaxially connected in the outer reactor and supported in the extrusion frame, the inner wall of the outer reactor and the outer circumferential wall of the inner reactor leave a mixing gap, and the inner circumference of the outer reactor is staggered
  • a number of axial electric heating or steam heating pipes are evenly distributed at the position of the arc reaction tank. Electric heating or steam heating pipes are arranged axially in the center of the inner reactor.
  • Multiple initiator channels are evenly distributed on the circumference of the inner reactor. The front end of the initiator channel is connected to the initiator supply tank or tank through the multi-port balance valve and the initiator supply pump. Each initiator channel is provided with multiple initiators passing through the outer wall of the inner reactor along the axial direction.
  • the length of the initiator feeding tube is equal to the radial thickness of the mixing gap.
  • the diameter of the initiator feeding tube decreases gradually along the axis of the initiator channel.
  • the front end of the outer homogenizer is sealed and fitted to the outer reactor through an oil seal bearing.
  • the inner homogenizer is connected to the back end of the inner reactor and coaxially penetrates into the outer homogenizer.
  • the inner wall of the outer homogenizer is provided with a plurality of centrifugal grooves corresponding to the arc reaction groove in the axial direction, and each centrifugal groove is divided into connected
  • the front centrifugal groove and the rear centrifugal groove of the front centrifugal groove the groove direction of the front centrifugal groove is the circumference of the front and rear direction is enlarged, and the circumference is twisted 90°, and the groove direction of the rear centrifugal groove is the circumference of the front and rear direction.
  • the diameter is reduced, and the twisting is 90° in the circumferential direction.
  • the above-mentioned twisting is in the same direction.
  • the outer circumference of the inner homogenizer is connected to the front and rear centrifugal grooves.
  • the front expanding screw and the rear reducing screw are respectively corresponding to the front and rear centrifugal grooves.
  • the diameter enlargement of the rear part of the dragon is smaller than the diameter enlargement of the front centrifugal tank.
  • the diameter of the front part of the rear reducing auger is equal to the diameter of the rear part of the front expanding auger.
  • the diameter reduction of the rear part of the rear reducing auger is smaller than that of the rear part.
  • the diameter of the centrifugal tank is reduced by the amount that the gap between the rear of the centrifugal tank and the rear of the rear reducing screw auger is connected to the cylindrical inlet at one end of the screed feeding barrel.
  • the other end has a horizontal rectangular strip-shaped outlet structure, and the horizontal square-shaped strip outlet at the other end of the screed feeding barrel is connected to a plate forming device.
  • the plate forming device includes two ring-shaped conveyor belts with opposite upper and lower gaps and continuous sealing belts encapsulated on both sides of a gap cavity on both sides of the upper and lower gaps, and a horizontal rectangular strip at the other end of the screeding feeding barrel.
  • the outlet is connected to the inlet on one side of the gap cavity.
  • Heating zones are arranged above and below the gap cavity.
  • Both the upper and lower ring conveyor belts are provided with a plurality of roller bodies that are horizontally attached to the ring drive belts that form the gap cavity. .
  • the gap cavity is provided with a sealing head baffle.
  • the sealing head baffle is attached to the upper and lower ring conveyor belts without gaps.
  • the upper and lower ring conveyor belts are clamped between the two ring conveyor belts.
  • the sealing tape clamp is installed between the two sealing tapes.
  • the sheet forming device includes more than one set of two forming rollers with upper and lower gaps, and more than one set of forming rollers are arranged along the sheet forming direction.
  • a feed flow meter is connected after the discharge valve, an addition flow meter is provided on the initiator feeder, the condenser is connected to the reaction kettle via a liquid return flow meter, and a feed flow meter is provided on the MMA feed pipe , The above flow meter is connected to the production line controller.
  • tubular reactor has a vertical structure.
  • the exhaust port of the screw devolatilizer is connected to the condenser via a vacuuming device.
  • the outer homogenizer corresponding to the junction of the front centrifugal tank and the rear centrifugal tank is connected to the upper part of the reactor via a condenser.
  • the MMA raw materials are sent to the reactor through the MMA feed pipe to be uniformly mixed, and the mixed raw materials are sent to the tubular reaction through the lower discharge valve, and at the same time, the mixed raw materials are synchronously transported by the initiator adder to add the initiator according to the amount , Effectively avoid the explosion caused by the addition of a large amount of initiator in the reactor, and the initiator of the mixed raw materials is added according to the amount, combined with the tubular reactor, which is beneficial to improve the polymerization speed and efficiency, and is suitable for the needs of industrial production;
  • the slurry is sent to the screw devolatilizer, and the volatile gas in it is pumped to the condenser by the vacuum device through the exhaust port at the same time as the screw is pushed, and the flow rate is returned to the reactor.
  • a small amount of the initiator volatile gas is condensed and enters the reactor. , It is conducive to the preliminary pre-mixing and pre-polymerization of the raw materials, and the overall combination of the feed of the MMA feed pipe and the instant addition of the initiator adder, controls and adjusts the amount of initiator added by the initiator adder to further ensure more stable and efficient polymerization; After the polymerized liquid is devolatilized, it enters through the cylindrical inlet at one end of the screed feeding barrel, and is evenly filled in the space in the middle of the screed feeding barrel, and passes through the horizontal rectangular strip outlet at the other end along the gap between the upper and lower ring conveyor belts.
  • the transverse rectangular section of the cavity is uniformly fed, and the roller body is fitted to the gap cavity ring-shaped transmission belt.
  • the feed in the upper and lower gap cavity is uniform on its section, and there is no local difference in the amount of material and liquid, which is beneficial to ensure that the sheet is formed without defects ,
  • the forming quality is good, or the two forming rollers with the upper and lower gaps are directly used to press the feeding into the plate; as the sealing head baffle moves down and backward driven by the upper and lower endless conveyor belts, it can meet the requirements of casting and forming of different lengths and specifications, and there is no need to equip more This kind of mold is conducive to saving production costs.
  • a centrifugal mixing reaction extruding device is used, and the MMA raw material and the initiator are pumped from the reactor and the initiator tank respectively, and the MMA raw material enters the arc reaction tank and the mixing gap between the outer reactor and the inner reactor. Most of the MMA raw materials are fed backwards in the arc reaction tank, and are driven by the gear and ring gear to rotate with the front drive motor of the outer reactor. Corresponding to the initiator channel, the initiator is fed into the tube toward the arc reaction tank to supply initiator. , The diameter of the initiator feeding tube in the same radial direction is the same.
  • the initiator feeding tube sends the initiator to increase the mixing reaction of the unit volume of MMA raw material and the initiator.
  • Efficiency, and adjacent arc reaction tanks are connected through the mixing gap, which can ensure that all arc reaction tanks in the circumference are connected to avoid different reaction levels in multiple arc reaction tanks, improve the completion and consistency of the reaction, and help improve Subsequent product quality; while the MMA raw material reacts with the initiator, the diameter of the initiator feeding pipe at the rear of the axis is controlled to reduce, and the amount of initiator fed is controlled as a whole to avoid the adverse consequences caused by the one-time addition of the initiator; in the reaction and In the process of raw material transportation, the axially set electric heating or steam heating pipelines in the outer reactor and the inner reactor can heat the raw materials and the reaction, increase the reaction rate, and the initiator is pre-heated and fed, effectively avoiding large temperature differences.
  • the raw material and the initiator are in direct contact, and the temperature drop caused by the reaction slows down and the initiation effect is reduced; the mixed reaction liquid is sent to the gap opening at the front end of the outer and inner homogenizers, and passes through the front centrifugal tank Constrained with the front expansion screw, the front section of the centrifugal tank is twisted 90° in the cavity between the two for centrifugal expansion and conveying to further mix and promote the reaction materials in the multi-channel arc reaction tank in the preamble. The effect is triggered.
  • the conveying cavity is the largest at the junction of the front and rear centrifugal tanks.
  • the rear reducing screw twists the 90° centrifugal shrinkage conveying, effectively squeezing and outputting the material liquid to the screeding feeding barrel in a stable and efficient manner.
  • the invention effectively combines the polymerization and extrusion production lines of traditional acrylic production into a whole.
  • the polymerization efficiency adopts a tubular reactor feed pair to add initiator and initiator volatile gas for devolatilization, condensation, recovery and reuse.
  • the screeding feeding barrel is fully uniformed for feeding and pouring, and the plate gap cavity is controlled by the roller.
  • the plate surface is formed without defects and the pouring length is limited. It is comprehensively controlled. It has a simple structure and convenient use. It can take into account the full polymerization of raw materials at one time and stable extrusion. It has the advantages of forming various lengths and specifications, no volatile gas pollution, good forming quality, high production efficiency and low cost.
  • FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention.
  • Figure 2 is a schematic structural diagram of Embodiment 2 of the present invention.
  • Figure 3 is a schematic structural diagram of Embodiment 3 of the present invention.
  • FIG 4 is a structural diagram of the centrifugal mixing reaction extrusion device in Figure 3;
  • Fig. 5 is a left side view of Fig. 4.
  • reactor 1 reactor 1, MMA feed pipe 2, discharge valve 3, feed flow meter 4, initiator adder 5, tubular reactor 6, screw devolatilizer 7, condenser 8, return liquid flow Count 9, screed feeding barrel 10, cylindrical inlet 11, horizontal rectangular strip outlet 12, upper endless conveyor belt 13, lower endless conveyor belt 14, sealing head baffle 15, roller body 16, heating zone 17, Interstitial cavity 18.
  • reactor 1 MMA feed pipe 2, discharge valve 3, feed flow meter 4, condenser 8, liquid return flow meter 9, uniform feed barrel 10, cylindrical inlet 11 , Horizontal rectangular strip outlet 12, upper forming roll 19, lower forming roll 20, extrusion frame 21, front drive motor 22, outer reactor 23, inner reactor 24, rear drive motor 25, outer homogenizer 26, Inner homogenizer 27, arc reaction tank 28, mixing gap 29, outer heating pipe 30, inner heating pipe 31, initiator channel 32, multi-way distribution balance valve 33, initiator feed pump 34, initiator tank 35.
  • the initiator is fed into the pipe 36, the oil seal bearing 37, the front centrifugal tank 38, the rear centrifugal tank 39, the front expanding auger 40, the rear reducing auger 41, and the centrifugal mixing reaction extruding device 100.
  • a one-time reaction extrusion molding production line for acrylic sheet includes reactor 1, MMA feed pipe 2, discharge valve 3, feed flow meter 4, initiator adder 5, and tubular reactor 6 , Screw devolatilizer 7, condenser 8, liquid return flow meter 9, sizing feeding cylinder 10, upper endless conveyor belt 13, lower endless conveyor belt 14, sealing head baffle 15, roller body 16, heating zone 17, Interstitial cavity 18.
  • the upper part of the reactor 1 is connected to the MMA feed pipe 2 with a flow meter, and the lower part of the reactor 1 is connected to the initiator adder 5 and multiple tubular reactors 6 through the discharge valve 3 and the feed flow meter 4, and then the screw is connected.
  • the inlet of the volatilization device 7, the exhaust port of the screw devolatilization device 7 is connected to the upper part of the reactor 1 through the condenser 8 and the liquid return flow meter 9, and the extrusion port of the screw devolatilization device 7 is connected to the cylindrical shape at one end of the sizing feeding barrel 10 Inlet 11, the structure in which the middle part of the screed feeding barrel 10 smoothly transitions from one end of the cylindrical inlet 11 to the horizontal rectangular strip outlet 12 at the other end.
  • the horizontal square strip outlet at the other end of the screed feeding barrel is connected to the upper and lower gaps.
  • the upper and lower endless conveyor belts 13, 14 are sealed by sealing tapes on both sides to the gap cavity 18 entrance.
  • the gap cavity is provided with heating zones 17 above and below, and the upper and lower endless conveyor belts are equipped with multiple levels. Fit the roller body 16 of the ring-shaped transmission belt that forms a gap cavity opposite to the inside. The gap is empty.
  • the sealing head baffle 15 is arranged in the gap 18, and the upper and lower baffles of the sealing head are fitted with the upper and lower ring conveyor belts without gaps. Between the two endless conveyor belts, the left and right sealing belts are attached to the two sides without gaps and are clamped between the two sealing belts.
  • Figure 2 shows: an acrylic sheet one-time reaction extrusion molding production line including reactor 1, MMA feed pipe 2, discharge valve 3, feed flow meter 4, initiator adder 5, tubular reactor 6 , Screw devolatilizer 7, condenser 8, liquid return flow meter 9, sizing feeding barrel 10, upper forming roller 19, and lower forming roller 20.
  • the structure from the reactor 1 to the screed feeding barrel 10 is the same as that of the first embodiment.
  • the horizontal rectangular strip outlet at the other end of the screed feeding barrel directly discharges the material. Corresponding to the horizontal square strip outlet, there are multiple sets of upper and lower gap spaces.
  • Lower forming rollers 19, 20, multiple sets of upper and lower forming rollers 19, 20 are arranged along the sheet forming direction of the discharging conveying plate, and the upper and lower forming rollers 19, 20 are driven to press and form the plate in the upper and lower gap spaces.
  • the feed flow meter, the feed flow meter, and the initiator adder are provided with an addition flow meter and a liquid return flow meter.
  • the above flow meter is connected to the production line controller to control the feed, feeding, and Add initiator and overall control of liquid return.
  • Figures 3, 4, and 5 show: an acrylic sheet one-time reactive extrusion molding production line, including a reactor 1 with an MMA feed tube 2 and a centrifugal mixing reaction extruding device 100, centrifugal mixing reaction extrusion
  • the device 100 includes an extrusion frame 21, a front drive motor 22, an outer reactor 23, an inner reactor 24, a rear drive motor 25, an outer homogenizer 26, an inner homogenizer 27, an outer reactor 23 and an outer homogenizer 26
  • the coaxial front and rear are arranged and rotatably supported in the extrusion frame 21, the outer gear ring of the outer reactor is driven by the front drive motor 22 through the gear, and the outer gear ring of the outer screeder is driven by the rear drive motor 25 through the gear.
  • a plurality of circular arc reaction grooves 28 arranged along its axial direction are evenly distributed.
  • the inner reactor is coaxially connected in the outer reactor and supported in the extrusion frame.
  • the inner wall of the outer reactor There is a mixing gap 29 with the outer circumferential wall of the inner reactor.
  • a plurality of axial outer heating pipes 30 are evenly distributed on the inner circumference of the outer reactor body and the arc reaction tank position is staggered, and inner heating pipes are arranged axially in the center of the inner reactor. 31.
  • the inner and outer heating pipes can be selected as electric heating or steam heating pipes.
  • Multiple initiator channels 32 are evenly distributed on the circumference of the inner reactor body.
  • the front end of the multiple initiator channels passes through a multi-way distribution balance valve 33 and initiator
  • the feed pump 34 is connected to the initiator tank 35, and each initiator channel is provided with a plurality of initiator feed pipes 36 along the axial direction that penetrate the outer wall of the inner reactor.
  • the length of the initiator feed pipe through which is equal to the radial direction of the mixing gap
  • the diameter of the initiator feeding pipe decreases gradually along the axis of the initiator channel.
  • the front end of the outer homogenizer 26 is sealed to the rear end of the outer reactor 23 through an oil seal bearing 37, and the inner homogenizer 27 is connected to the inner reactor 24. The end is coaxially connected in the outer homogenizer 26.
  • the inner wall of the outer homogenizer 26 is provided with a plurality of centrifugal grooves corresponding to the arc reaction tank in the axial direction.
  • Each centrifugal groove is divided into a connected front centrifugal groove 38 and a rear centrifugal groove.
  • Groove 39, the groove direction of the front centrifugal groove is that the diameter of the circumference of the front centrifugal groove is enlarged and twisted 90° in the circumferential direction, and the groove direction of the centrifugal groove of the rear section is that the diameter of the circumference of the centrifugal groove is reduced in the front and rear direction, and in the circumferential direction.
  • the above-mentioned twisting is in the same direction, and the outer homogenizer corresponding to the junction of the front centrifugal tank and the rear centrifugal tank is connected to the upper part of the reactor through the condenser, and the outer circumference of the inner homogenizer is connected and corresponds to the front and back respectively.
  • the diameter expansion of the rear part of the front expansion screw is smaller than that of the front centrifugal tank, and the front diameter of the rear reduction screw is equal to the front expansion
  • the diameter of the rear part of the rear diameter screw auger, the diameter reduction amount of the rear diameter reduction auger is smaller than the diameter reduction amount of the rear centrifugal tank, the rear part of the rear centrifugal tank and the rear part of the rear diameter reduction auger are connected to the feeder barrel
  • the cylindrical inlet at one end, the middle part of the screed feeding barrel is smoothly transitioned from the cylindrical inlet at one end to the horizontal rectangular elongated outlet at the other end, and the horizontal rectangular elongated outlet at the other end of the screed feeding barrel is connected to the plate forming device .
  • the initiator channel is not penetrated. If steam heating pipes are used for the inner and outer heating pipes, a separate circuit is provided on each body, and the input end is also the output end. This type of technical solution is the prior art It will not be described in detail in the drawings and descriptions of this embodiment.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

La présente invention concerne une chaîne de production de moulage par extrusion à réaction unique pour plaques acryliques, comprenant un réacteur ayant un tuyau d'alimentation en MMA, un dispositif d'ajout d'initiateur et une pluralité de réacteurs tubulaires raccordés en série à une partie inférieure du réacteur au moyen d'une vanne d'évacuation, puis la partie inférieure du réacteur étant raccordée à une entrée d'un dispositif d'extraction des matières volatiles à vis, un orifice d'échappement du dispositif d'extraction des matières volatiles à vis étant raccordé à une partie supérieure du réacteur au moyen d'un condenseur, un orifice d'extrusion du dispositif d'extraction des matières volatiles à vis étant raccordé à une entrée cylindrique au niveau d'une extrémité d'un cylindre d'uniformisation et d'alimentation en matériau, la partie centrale du cylindre d'uniformisation et d'alimentation en matériau ayant une structure qui effectue une transition douce de l'entrée cylindrique au niveau d'une extrémité à une sortie allongée rectangulaire horizontale au niveau de l'autre extrémité, et la sortie allongée rectangulaire horizontale à l'autre extrémité du cylindre d'uniformisation et d'alimentation en matériau étant raccordée à un dispositif de moulage de plaque. La chaîne de production peut prendre en compte à la fois la réaction de polymérisation complète en une seule fois de matières premières, et la production de moulage par extrusion stable de plaques ayant diverses longueurs, n'a pas de pollution par gaz volatil, et présente une bonne qualité de moulage, un rendement de production élevé et de faibles coûts.
PCT/CN2020/126172 2019-12-13 2020-11-03 Chaîne de production de moulage par extrusion à réaction unique pour plaques acryliques WO2021114955A1 (fr)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110774554A (zh) * 2019-12-13 2020-02-11 泰兴汤臣压克力有限公司 一种压克力板材一次反应挤出成型生产线
CN112275219B (zh) * 2020-11-13 2024-05-14 江苏诚盟装备股份有限公司 一种聚合物高含量溶剂高效脱挥成套设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005112869A (ja) * 2003-10-02 2005-04-28 Mitsubishi Rayon Co Ltd 脱揮押出装置、並びに、それを用いた（メタ）アクリル系重合体の製造装置及び（メタ）アクリル系重合体の製造方法
CN103130946A (zh) * 2013-03-27 2013-06-05 苏州双象光学材料有限公司 聚甲基丙烯酸甲酯的连续式生产工艺
CN209257263U (zh) * 2018-12-18 2019-08-16 新疆恒利环保科技有限公司 一种改性环保型隔高分子聚丙烯塑粒搅拌装置
CN110406063A (zh) * 2019-08-09 2019-11-05 泰兴汤臣压克力有限公司 一种挤出型连续包埋压克力板材生产线
CN110774554A (zh) * 2019-12-13 2020-02-11 泰兴汤臣压克力有限公司 一种压克力板材一次反应挤出成型生产线

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19816886C2 (de) * 1998-04-17 2001-06-07 Axiva Gmbh Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Polymerisaten
DE10060372A1 (de) * 2000-12-05 2002-06-06 Basell Polyolefine Gmbh Vorrichtung zur Initiatoreinspeisung an Reaktoren
EP2557093B1 (fr) * 2010-04-06 2014-05-14 Mitsubishi Rayon Co., Ltd. Appareil et procédé pour la production de polymère méthacrylique
CN106977641A (zh) * 2017-04-14 2017-07-25 苏州双象光学材料有限公司 一步法合成光学级pmma板材的方法
CN211616530U (zh) * 2019-12-13 2020-10-02 泰兴汤臣压克力有限公司 一种压克力板材一次反应挤出成型生产线

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005112869A (ja) * 2003-10-02 2005-04-28 Mitsubishi Rayon Co Ltd 脱揮押出装置、並びに、それを用いた（メタ）アクリル系重合体の製造装置及び（メタ）アクリル系重合体の製造方法
CN103130946A (zh) * 2013-03-27 2013-06-05 苏州双象光学材料有限公司 聚甲基丙烯酸甲酯的连续式生产工艺
CN209257263U (zh) * 2018-12-18 2019-08-16 新疆恒利环保科技有限公司 一种改性环保型隔高分子聚丙烯塑粒搅拌装置
CN110406063A (zh) * 2019-08-09 2019-11-05 泰兴汤臣压克力有限公司 一种挤出型连续包埋压克力板材生产线
CN110774554A (zh) * 2019-12-13 2020-02-11 泰兴汤臣压克力有限公司 一种压克力板材一次反应挤出成型生产线

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