JP2010111051A - 成形品の製造方法、及び熱交換用膜エレメント - Google Patents
成形品の製造方法、及び熱交換用膜エレメント Download PDFInfo
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- 239000012528 membrane Substances 0.000 title claims description 57
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000011347 resin Substances 0.000 claims abstract description 67
- 229920005989 resin Polymers 0.000 claims abstract description 67
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 13
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003456 ion exchange resin Substances 0.000 claims description 5
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical group [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
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- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- PXKSAXUKRMRORY-ZWKOTPCHSA-N 2-(3,4-dichlorophenyl)-n-[(1s,2r)-2-(2,5-dihydropyrrol-1-yl)cyclohexyl]-n-methylacetamide Chemical compound N1([C@@H]2CCCC[C@@H]2N(C)C(=O)CC=2C=C(Cl)C(Cl)=CC=2)CC=CC1 PXKSAXUKRMRORY-ZWKOTPCHSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 229920003935 Flemion® Polymers 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
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- 239000004743 Polypropylene Substances 0.000 description 1
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- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
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- 230000004927 fusion Effects 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011970 polystyrene sulfonate Substances 0.000 description 1
- 229960002796 polystyrene sulfonate Drugs 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14631—Coating reinforcements
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/0055—Shaping
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14795—Porous or permeable material, e.g. foam
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14827—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using a transfer foil detachable from the insert
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14836—Preventing damage of inserts during injection, e.g. collapse of hollow inserts, breakage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- 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
- B29L2009/00—Layered products
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/14—Filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0015—Heat and mass exchangers, e.g. with permeable walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/065—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing plate-like or laminated conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
【解決手段】樹脂製枠体にフィルムを貼設した成形品は、1)フィルムを溶剤可溶性又は溶剤崩壊性の補強層で補強し、2)射出成形金型に前記補強されたフィルムを挿入し、3)前記金型に樹脂を供給して枠体を射出成形しつつ前記補強されたフィルムに貼り付け、4)得られた射出成形体を溶剤で処理して前記補強層を除去する方法によって製造する。前記フィルムは、延伸多孔質ポリテトラフルオロエチレンフィルムが好ましく、透湿性樹脂が前記延伸多孔質ポリテトラフルオロエチレンフィルムと複合化されているのが好ましい。
【選択図】図4
Description
本発明の好ましい目的は、結露耐久性と潜熱交換特性(透湿特性)に優れた熱交換用膜エレメントを提供することにある。
すなわち、本発明に係る樹脂製枠体にフィルムを貼設した成形品の製造方法は、1)フィルムを溶剤可溶性又は溶剤崩壊性の補強層で補強し、2)射出成形金型に前記補強されたフィルム(即ちフィルムと補強層との積層体)を挿入し、3)前記金型に樹脂を供給して枠体を射出成形しつつ前記積層体に貼り付け、4)得られた射出成形体を溶剤で処理して補強層を除去することを特徴とする。好ましいフィルムは、延伸多孔質ポリテトラフルオロエチレンフィルムであり、より好ましくは透湿性樹脂が前記延伸多孔質ポリテトラフルオロエチレンフィルムと複合化されている。前記透湿性樹脂は、例えば、ウレタン樹脂、ポリビニルアルコールの架橋体、フッ素系イオン交換樹脂などである。前記溶剤が水の場合、前記補強層は例えば、水溶性繊維で形成されたものである。
本発明には、延伸多孔質ポリテトラフルオロエチレンフィルムが単独で樹脂製枠体に一体成形によって貼設されている熱交換用膜エレメントも含まれる。
図3(a)は本発明で使用する一対の射出成型用金型を側方から見た概略断面図であり、図3(b)は片方の金型の正面図である。なお図3(a)の断面図は図3(b)のI−I’線での切断面に相当する。図4は、図3の金型を用いたインサート成形手順を示す断面図であり、図5(a)は図4の方法で得られた成形品の正面側を示す概略斜視図、図5(b)は前記成形品の背面側を示す概略斜視図である。
空孔率(%)=[1−(D/Dstandard)]×100
フィルム12と補強層15を積層接着したり、積層融着したりする方法は特に限定されないが、例えば、フィルム12と補強層15とを積層した後、熱ロールに通して、熱融着してもよい。
他の溶剤を使用する場合にも、溶剤可溶性又は溶剤崩壊性の材料や溶剤耐久性繊維は、公知の材料から適宜選択できる。
平均孔径0.2μm、空孔率80%、厚さ20μmの延伸多孔質ポリテトラフルオロエチレンフィルムに透湿性ウレタン樹脂を塗布量8g/m2でコーティングした透湿性フィルムにウレタン系接着剤をドット状に転写し、ポリビニルアルコール製不織布((株)シンワ製、商品名「9040−E」)を積層して接着した。
実施例1と同様にして、インサート成形した。透湿性フィルムに積層されたポリビニルアルコール製不織布は、流水で除去することなくそのままにした。
実施例1及び比較例1で得られた成形品の透湿性を、JIS L1099A−1法に準拠して測定した(条件:25℃、75%RH)。3回測定し、その平均値を求めた。結果を表1に示す。
15 補強層
16 補強されたフィルム
23 樹脂製枠体
61、71 射出成形金型
43 成形品
Claims (6)
- 樹脂製枠体にフィルムを貼設した成形品の製造方法であって、
フィルムを溶剤可溶性又は溶剤崩壊性の補強層で補強し、
射出成形金型に前記補強されたフィルムを挿入し、
前記金型に樹脂を供給して枠体を射出成形しつつ前記補強されたフィルムに貼り付け、
得られた射出成形体を溶剤で処理して前記補強層を除去することを特徴とする成形品の製造方法。 - 前記フィルムが延伸多孔質ポリテトラフルオロエチレンフィルムである請求項1に記載の成形品の製造方法。
- 透湿性樹脂が前記延伸多孔質ポリテトラフルオロエチレンフィルムと複合化されている請求項2に記載の成形品の製造方法。
- 前記透湿性樹脂がウレタン樹脂、ポリビニルアルコールの架橋体、及びフッ素系イオン交換樹脂から選択される少なくとも一種である請求項3に記載の成形品の製造方法。
- 前記溶剤が水であり、前記補強層が水溶性繊維で形成されている請求項1〜4のいずれかに記載の成形品の製造方法。
- 延伸多孔質ポリテトラフルオロエチレンフィルムが単独で樹脂製枠体に一体成形によって貼設されている熱交換用膜エレメント。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2008286477A JP5568231B2 (ja) | 2008-11-07 | 2008-11-07 | 成形品の製造方法 |
PCT/JP2009/068815 WO2010053087A1 (ja) | 2008-11-07 | 2009-11-04 | 成形品の製造方法、及び熱交換用膜エレメント |
EP09824786.9A EP2351639B1 (en) | 2008-11-07 | 2009-11-04 | Process for producing molded article |
KR1020117013006A KR101419584B1 (ko) | 2008-11-07 | 2009-11-04 | 성형품의 제조방법 및 열교환용 막 엘리멘트 |
US13/127,554 US8920699B2 (en) | 2008-11-07 | 2009-11-04 | Process for producing molded product, and heat-exchange membrane element |
CN200980149112.0A CN102232015B (zh) | 2008-11-07 | 2009-11-04 | 成型品的制造方法及热交换用膜元件 |
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JP2008286477A JP5568231B2 (ja) | 2008-11-07 | 2008-11-07 | 成形品の製造方法 |
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JP2010111051A true JP2010111051A (ja) | 2010-05-20 |
JP5568231B2 JP5568231B2 (ja) | 2014-08-06 |
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US (1) | US8920699B2 (ja) |
EP (1) | EP2351639B1 (ja) |
JP (1) | JP5568231B2 (ja) |
KR (1) | KR101419584B1 (ja) |
CN (1) | CN102232015B (ja) |
WO (1) | WO2010053087A1 (ja) |
Cited By (6)
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JP2017020779A (ja) * | 2015-07-07 | 2017-01-26 | 東レ株式会社 | 熱交換用シート |
WO2019111793A1 (ja) * | 2017-12-05 | 2019-06-13 | 東レ株式会社 | 熱交換用シート |
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JPWO2019111793A1 (ja) * | 2017-12-05 | 2020-10-22 | 東レ株式会社 | 熱交換用シート |
JP7294130B2 (ja) | 2017-12-05 | 2023-06-20 | 東レ株式会社 | 熱交換用シート |
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US20110259572A1 (en) | 2011-10-27 |
CN102232015A (zh) | 2011-11-02 |
JP5568231B2 (ja) | 2014-08-06 |
EP2351639A1 (en) | 2011-08-03 |
WO2010053087A1 (ja) | 2010-05-14 |
US8920699B2 (en) | 2014-12-30 |
KR20110092298A (ko) | 2011-08-17 |
KR101419584B1 (ko) | 2014-07-15 |
CN102232015B (zh) | 2014-07-23 |
EP2351639A4 (en) | 2013-03-13 |
EP2351639B1 (en) | 2014-06-04 |
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