JP2015027785A5 - - Google Patents
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- JP2015027785A5 JP2015027785A5 JP2014037490A JP2014037490A JP2015027785A5 JP 2015027785 A5 JP2015027785 A5 JP 2015027785A5 JP 2014037490 A JP2014037490 A JP 2014037490A JP 2014037490 A JP2014037490 A JP 2014037490A JP 2015027785 A5 JP2015027785 A5 JP 2015027785A5
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- 229920005989 resin Polymers 0.000 claims description 81
- 239000011347 resin Substances 0.000 claims description 81
- 239000003507 refrigerant Substances 0.000 claims description 64
- 238000001816 cooling Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 14
- 229920005992 thermoplastic resin Polymers 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000009834 vaporization Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 238000010309 melting process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Description
上記の課題を達成するための具体的手段は、以下の通りである。
＜１＞ 溶融樹脂を押し出す押出口を有するシリンダと、シリンダ内に回転可能に配された外径φ１００ｍｍ以上の２つのスクリュと、第１の冷媒給排口、及びシリンダ内の溶融樹脂と熱交換する冷媒が流通する冷媒流路を有し、シリンダ壁に（好ましくは、シリンダ壁内にシリンダ周囲に沿って）配設された冷却系統と、溶融樹脂流通方向における、シリンダの押出口の下流側で、かつ溶融樹脂をフィルム製膜するためのフィルム製膜装置上流側に配置され、押出口から押し出された溶融樹脂の温度を検出する温度検出手段と、冷媒の第１の冷媒給排口への供給量を調節することにより、温度検出手段で検出された溶融樹脂の温度と樹脂設定温度との温度差を、予め定められた閾値（所定の閾値）以下に制御する樹脂温度制御手段と、を備えた二軸押出装置である。
＜２＞ 溶融樹脂流通方向における、シリンダの押出口の下流側で、かつ溶融樹脂をフィルム製膜するためのフィルム製膜装置上流側に、溶融樹脂が流通する樹脂流通管を有し、温度検出手段は、少なくとも、樹脂流通管の内壁面から１０ｍｍ以上離れた管内部に配置された測温部と、測温部の破損を防ぐ破損防止材と、を有する＜１＞に記載の二軸押出装置である。
＜３＞ 冷媒は、蒸発潜熱により溶融樹脂と熱交換する作動流体である＜１＞又は＜２＞に記載の二軸押出装置である。
Specific means for achieving the above-described problems are as follows.
<1> Cylinder having an extrusion port for extruding molten resin, two screws having an outer diameter of φ100 mm or more arranged rotatably in the cylinder, first refrigerant supply / discharge port, and heat exchange with the molten resin in the cylinder has a refrigerant channel which refrigerant flows, the cylinder wall (preferably, along the cylinder periphery in the cylinder wall) and arranged cooling system, in the molten resin flow direction, downstream of the extrusion port of the cylinder And a temperature detection means for detecting the temperature of the molten resin extruded from the extrusion port, and a first refrigerant supply / discharge port for the refrigerant. Resin temperature control means for controlling the temperature difference between the temperature of the molten resin detected by the temperature detection means and the resin set temperature to be equal to or lower than a predetermined threshold (predetermined threshold) by adjusting the supply amount of With A twin screw extruder device.
<2> In the molten resin flow direction, a downstream side of the extrusion port of the cylinder and an upstream side of the film forming apparatus for forming the molten resin into a film have a resin flow pipe through which the molten resin flows, and temperature detection The means has at least a temperature measuring part disposed inside the pipe that is 10 mm or more away from the inner wall surface of the resin flow pipe, and a breakage prevention material that prevents damage to the temperature measuring part. Device.
<3> The refrigerant is the twin-screw extruder according to <1> or <2>, which is a working fluid that exchanges heat with the molten resin by latent heat of vaporization.
＜１０＞ 回転可能に配された外径φ１００ｍｍ以上の２つのスクリュを備えたシリンダ内で溶融される樹脂の温度を制御しながら、熱可塑性樹脂を溶融する工程と、溶融された熱可塑性樹脂を成形ダイより膜状に押出す工程と、押出された熱可塑性樹脂を冷却ロール上で固化する工程と、を有し、
溶融する工程は、シリンダの押出口から押し出された溶融樹脂の温度を、膜状に押出す工程前に検出し、検出された溶融樹脂の温度と樹脂設定温度との温度差を、シリンダ壁に配設された冷却系統に供給される冷媒の供給量を調節することにより、予め定められた閾値以下に制御する、フィルム製造方法である。
＜１１＞ 冷媒は、蒸発潜熱により溶融樹脂と熱交換する作動流体である＜１０＞に記載のフィルム製造方法である。
＜１２＞ 溶融する工程は、冷媒の供給量を０．００１Ｌ／樹脂１ｋｇ〜０．１５０Ｌ／樹脂１ｋｇの範囲で調節する＜１０＞又は＜１１＞に記載のフィルム製造方法である。
＜１３＞ 冷媒が水である＜１０＞〜＜１２＞のいずれか１つに記載のフィルム製造方法である。
＜１４＞ 溶融する工程は、冷媒の冷却系統への供給を、１０秒／回以上１２０秒／回以下の周期で供給時間（秒／回）を周期の０％超４０％以下として断続的に行なうことにより、溶融樹脂の温度と樹脂設定温度との温度差を予め定められた閾値以下に制御する＜１０＞〜＜１３＞のいずれか１つに記載のフィルム製造方法である。
＜１５＞ 溶融する工程は、フィルム製膜装置で製膜された樹脂フィルムのヘイズ値が予め定められた上限閾値Ｑ１を超える又はフィルム製膜装置で製膜された樹脂フィルムのヘイズ値の変動率が予め定められた閾値Ｑ３を超える場合は、樹脂設定温度を上げ、
フィルム製膜装置で製膜された樹脂フィルムのヘイズ値が予め定められた下限閾値Ｑ２未満である場合は、樹脂設定温度を下げる、＜１０＞〜＜１４＞のいずれか１つに記載のフィルム製造方法である。
＜１６＞ 溶融する工程は、溶融樹脂の温度と樹脂設定温度との温度差が予め定められた時間内に予め定められた閾値以下に達しない場合には、スクリュの回転数を変化させることにより、溶融樹脂の温度を樹脂設定温度に制御する＜１０＞〜＜１５＞のいずれか１つに記載のフィルム製造方法である。
＜１７＞ 冷却系統は、第１の冷媒給排口、冷媒が流通する冷媒流路、冷媒を冷媒流路から排出する第２の冷媒給排口、及び冷媒の流通方向を切り換える流通切換弁を有し、
溶融する工程は、流通切換弁を切り換えることにより、冷媒を第１の冷媒給排口に供給して第２の冷媒給排口から排出する第１の冷却と、冷媒を第２の冷媒給排口に供給して第１の冷媒給排口から排出する第２の冷却と、を予め定められた周期で切り換える＜１０＞〜＜１６＞のいずれか１つに記載のフィルム製造方法である。
<10> A step of melting a thermoplastic resin while controlling a temperature of the resin melted in a cylinder having two screws having an outer diameter of φ100 mm or more arranged rotatably, and a melted thermoplastic resin A step of extruding into a film form from a molding die, and a step of solidifying the extruded thermoplastic resin on a cooling roll,
In the melting process, the temperature of the molten resin extruded from the cylinder extrusion port is detected before the process of extruding into a film shape, and the temperature difference between the detected temperature of the molten resin and the resin set temperature is detected on the cylinder wall. In this film manufacturing method, the amount of refrigerant supplied to the arranged cooling system is adjusted to be controlled to be equal to or lower than a predetermined threshold value.
<11> The refrigerant according to <10>, wherein the refrigerant is a working fluid that exchanges heat with the molten resin by latent heat of vaporization.
<12> The step of melting is the film production method according to <10> or <11>, wherein the supply amount of the refrigerant is adjusted in a range of 0.001 L / resin 1 kg to 0.150 L / resin 1 kg.
<13> The method for producing a film according to any one of <10> to <12>, wherein the refrigerant is water.
<14> In the melting step, the supply of the refrigerant to the cooling system is intermittently performed at a cycle of 10 seconds / time to 120 seconds / cycle with a supply time (seconds / cycle) of more than 0% and 40% or less of the cycle. By performing, it is a film manufacturing method as described in any one of <10>-<13> which controls the temperature difference of the temperature of molten resin and resin preset temperature below to a predetermined threshold value.
<15> In the melting step, the haze value of the resin film formed by the film forming apparatus exceeds a predetermined upper limit threshold value Q1, or the variation rate of the haze value of the resin film formed by the film forming apparatus. Is higher than the predetermined threshold value Q3, the resin set temperature is raised,
The film according to any one of <10> to <14>, wherein the resin set temperature is lowered when the haze value of the resin film formed by the film forming apparatus is less than a predetermined lower threshold Q2. It is a manufacturing method.
<16> The melting step is performed by changing the number of rotations of the screw when the temperature difference between the temperature of the molten resin and the resin set temperature does not reach a predetermined threshold value within a predetermined time. The method for producing a film according to any one of <10> to <15>, wherein the temperature of the molten resin is controlled to a resin set temperature.
<17> The cooling system includes a first refrigerant supply / exhaust port, a refrigerant flow channel through which the refrigerant flows, a second refrigerant supply / discharge port through which the refrigerant is discharged from the refrigerant flow channel, and a flow switching valve that switches a flow direction of the refrigerant. Have
In the melting step, by switching the flow switching valve, the first cooling that supplies the refrigerant to the first refrigerant supply / discharge port and discharges it from the second refrigerant supply / discharge port, and the refrigerant is supplied to the second refrigerant supply / discharge port. It is the film manufacturing method as described in any one of <10>-<16> which switches to 2nd cooling supplied to an opening | mouth and discharged | emitted from a 1st refrigerant | coolant supply / exhaust port by a predetermined period.
Claims (17)
前記シリンダ内に回転可能に配された外径φ１００ｍｍ以上の２つのスクリュと、
第１の冷媒給排口、及びシリンダ内の溶融樹脂と熱交換する冷媒が流通する冷媒流路を有し、シリンダ壁に配設された冷却系統と、
溶融樹脂流通方向における、シリンダの前記押出口の下流側で、かつ溶融樹脂をフィルム製膜するためのフィルム製膜装置上流側に配置され、前記押出口から押し出された溶融樹脂の温度を検出する温度検出手段と、
前記冷媒の前記第１の冷媒給排口への供給量を調節することにより、前記温度検出手段で検出された溶融樹脂の温度と樹脂設定温度との温度差を、予め定められた閾値以下に制御する樹脂温度制御手段と、
を備えた二軸押出装置。 A cylinder having an extrusion port for extruding molten resin;
Two screws with an outer diameter of φ100 mm or more arranged rotatably in the cylinder;
A cooling system disposed in the cylinder wall, having a first refrigerant supply / exhaust port and a refrigerant flow path through which a refrigerant that exchanges heat with the molten resin in the cylinder flows;
Detecting the temperature of the molten resin, which is disposed downstream of the extrusion port of the cylinder and upstream of the film forming apparatus for forming the molten resin into a film, in the molten resin distribution direction, and extruded from the extrusion port Temperature detection means;
By adjusting the supply amount of the refrigerant to the first refrigerant supply / exhaust port, the temperature difference between the temperature of the molten resin detected by the temperature detecting means and the resin set temperature is set to a predetermined threshold value or less. Resin temperature control means to control;
A twin-screw extruder equipped with.
前記温度検出手段は、少なくとも、前記樹脂流通管の内壁面から管内部方向に１０ｍｍ以上離れた位置に配置された測温部と、該測温部の破損を防ぐ破損防止材と、を有する請求項１に記載の二軸押出装置。 In the molten resin distribution direction, on the downstream side of the extrusion port of the cylinder, and on the upstream side of the film forming apparatus for forming a film of the molten resin, a resin distribution pipe through which the molten resin flows is provided.
The temperature detection means includes at least a temperature measuring part disposed at a position separated by 10 mm or more from the inner wall surface of the resin flow pipe in the pipe inner direction, and a damage preventing material for preventing the temperature measuring part from being damaged. Item 2. The twin-screw extruder according to item 1.
フィルム製膜装置で製膜された樹脂フィルムのヘイズ値が予め定められた下限閾値Ｑ２未満である場合は、樹脂設定温度を下げる、請求項１〜請求項６のいずれか１項に記載の二軸押出装置。 The resin temperature control means is such that the haze value of the resin film formed by the film film forming apparatus exceeds a predetermined upper threshold Q1, or the variation rate of the haze value of the resin film formed by the film film forming apparatus is If it exceeds a predetermined threshold Q3, increase the resin set temperature,
The resin set temperature is lowered when the haze value of the resin film formed by the film forming apparatus is less than a predetermined lower threshold Q2. A shaft extrusion device.
前記樹脂温度制御手段は、前記流通切換弁を切り換えることにより、冷媒を前記第１の冷媒給排口に供給して前記第２の冷媒給排口から排出する第１の冷却と、冷媒を前記第２の冷媒給排口に供給して前記第１の冷媒給排口から排出する第２の冷却と、を予め定められた周期で切り換える請求項１〜請求項８のいずれか１項に記載の二軸押出装置。 The cooling system further includes a second refrigerant supply / exhaust port for discharging the refrigerant from the refrigerant flow path, and a flow switching valve for switching a flow direction of the refrigerant,
The resin temperature control means supplies the refrigerant to the first refrigerant supply / exhaust port by switching the flow switching valve, and discharges the refrigerant from the second refrigerant supply / exhaust port. The second cooling supplied to the second refrigerant supply / exhaust port and discharged from the first refrigerant supply / exhaust port is switched at a predetermined cycle. Twin screw extrusion equipment.
溶融された熱可塑性樹脂を成形ダイより膜状に押出す工程と、
押出された熱可塑性樹脂を冷却ロール上で固化する工程と、
を有し、
前記溶融する工程は、前記シリンダの押出口から押し出された溶融樹脂の温度を、前記膜状に押出す工程前に検出し、検出された溶融樹脂の温度と樹脂設定温度との温度差を、シリンダ壁に配設された冷却系統に供給される冷媒の供給量を調節することにより、予め定められた閾値以下に制御する、フィルム製造方法。 A step of melting the thermoplastic resin while controlling the temperature of the resin melted in a cylinder provided with two screws having an outer diameter of φ100 mm or more arranged rotatably;
A process of extruding a molten thermoplastic resin from a molding die into a film,
A step of solidifying the extruded thermoplastic resin on a cooling roll;
Have
In the melting step, the temperature of the molten resin extruded from the extrusion port of the cylinder is detected before the step of extruding into the film shape, and the temperature difference between the detected temperature of the molten resin and the resin set temperature is determined. The film manufacturing method of controlling to below a predetermined threshold value by adjusting the supply amount of the refrigerant | coolant supplied to the cooling system arrange | positioned by the cylinder wall.
フィルム製膜装置で製膜された樹脂フィルムのヘイズ値が予め定められた下限閾値Ｑ２未満である場合は、樹脂設定温度を下げる、請求項１０〜請求項１４のいずれか１項に記載のフィルム製造方法。 In the melting step, the haze value of the resin film formed by the film forming apparatus exceeds a predetermined upper limit threshold Q1, or the variation rate of the haze value of the resin film formed by the film forming apparatus is previously set. If it exceeds the defined threshold Q3, increase the resin set temperature,
The film according to any one of claims 10 to 14, wherein the resin set temperature is lowered when the haze value of the resin film formed by the film forming apparatus is less than a predetermined lower threshold Q2. Production method.
前記溶融する工程は、前記流通切換弁を切り換えることにより、冷媒を前記第１の冷媒給排口に供給して前記第２の冷媒給排口から排出する第１の冷却と、冷媒を前記第２の冷媒給排口に供給して前記第１の冷媒給排口から排出する第２の冷却と、を予め定められた周期で切り換える請求項１０〜請求項１６のいずれか１項に記載のフィルム製造方法。 The cooling system includes a first refrigerant supply / exhaust port, a refrigerant flow path through which the refrigerant flows , a second refrigerant supply / discharge port through which the refrigerant is discharged from the refrigerant flow path, and a flow switching valve that switches a flow direction of the refrigerant. And
In the melting step, by switching the flow switching valve, the first cooling for supplying the refrigerant to the first refrigerant supply / exhaust port and discharging the refrigerant from the second refrigerant supply / exhaust port, The second cooling that is supplied to the second refrigerant supply / exhaust port and is discharged from the first refrigerant supply / exhaust port is switched at a predetermined cycle. Film manufacturing method.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014037490A JP6049648B2 (en) | 2013-07-02 | 2014-02-27 | Twin screw extrusion apparatus and film manufacturing method |
| PCT/JP2014/066747 WO2015002035A1 (en) | 2013-07-02 | 2014-06-24 | Twin-screw extrusion device and method for manufacturing film |
| CN201480035773.1A CN105339156B (en) | 2013-07-02 | 2014-06-24 | Double screw extruder and film-forming method |
| KR1020157036538A KR101810856B1 (en) | 2013-07-02 | 2014-06-24 | Twin-screw extrusion device and method for manufacturing film |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2013139304 | 2013-07-02 | ||
| JP2013139304 | 2013-07-02 | ||
| JP2014037490A JP6049648B2 (en) | 2013-07-02 | 2014-02-27 | Twin screw extrusion apparatus and film manufacturing method |
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| JP2015027785A JP2015027785A (en) | 2015-02-12 |
| JP2015027785A5 true JP2015027785A5 (en) | 2016-01-14 |
| JP6049648B2 JP6049648B2 (en) | 2016-12-21 |
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| JP (1) | JP6049648B2 (en) |
| KR (1) | KR101810856B1 (en) |
| CN (1) | CN105339156B (en) |
| WO (1) | WO2015002035A1 (en) |
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| CN108705804A (en) * | 2018-06-13 | 2018-10-26 | 鲍振宇 | A kind of automatic biological fuel forming device |
| KR102086085B1 (en) * | 2019-01-21 | 2020-04-23 | 구승회 | Extruding apparatus for conical twin screw of special type |
| CN114521170A (en) * | 2019-10-16 | 2022-05-20 | 株式会社瑞光 | Rotary extruder |
| JP7459735B2 (en) | 2019-11-27 | 2024-04-02 | Ａｇｃ株式会社 | Film manufacturing method and laminate manufacturing method |
| WO2021181533A1 (en) * | 2020-03-10 | 2021-09-16 | マクセルホールディングス株式会社 | Biodegradable-resin decomposition device |
| CN112248395A (en) * | 2020-09-25 | 2021-01-22 | 安徽德尔电气集团有限公司 | Extruder temperature control system for cable production |
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2014
- 2014-02-27 JP JP2014037490A patent/JP6049648B2/en active Active
- 2014-06-24 WO PCT/JP2014/066747 patent/WO2015002035A1/en active Application Filing
- 2014-06-24 KR KR1020157036538A patent/KR101810856B1/en active IP Right Grant
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