JP2008507605A - 潜熱蓄熱材を用いたマイクロカプセルの製造方法 - Google Patents
潜熱蓄熱材を用いたマイクロカプセルの製造方法 Download PDFInfo
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- JP2008507605A JP2008507605A JP2007522430A JP2007522430A JP2008507605A JP 2008507605 A JP2008507605 A JP 2008507605A JP 2007522430 A JP2007522430 A JP 2007522430A JP 2007522430 A JP2007522430 A JP 2007522430A JP 2008507605 A JP2008507605 A JP 2008507605A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
Description
ここで、前記潜熱蓄熱材とは、特定の温度で温度の変化なしに相が変わりながら多量の熱を吸収または放出する物質であって、通常、潜熱蓄熱材または相変化物質と呼ばれる。前記吸収および放出熱を潜熱という。
その後、前記水100重量%に対して3〜50重量%の潜熱蓄熱材および前記潜熱蓄熱材の重量対比10〜40重量%の1次モノマーであるアクリルモノマー化合物を加えて乳化させ、前記乳化した混合物に開始剤0.005〜1.0重量%を加えて重合反応させることにより、前記潜熱蓄熱材を1次にカプセル化する。
80℃のポリビニルアルコール(Sigma−Aldrich社、米国)1.0重量%水溶液300mLにオクタデカン(Sigma−Aldrich社、米国)30g、メタクリル酸(関東化学、日本)3g、メチルメタクリル酸(Sigma−Aldrich社、米国)3g、エチレングリコールジメタクリレート(Sigma−Aldrich社、米国)0.2gを反応器に入れた後、混合して乳化させた。
次いで、前記重合反応済みの溶液にメラミン(純正化学、日本)10gと37%ホルムアルデヒド溶液15mLを加えて約5時間重合反応させてカプセル化することにより、潜熱蓄熱材含有マイクロカプセルを製造した。
Claims (7)
- 水100重量%に対して界面活性剤0.1〜10重量%が溶解した溶液に潜熱蓄熱材3〜50重量%を添加した後、1次モノマーを前記潜熱蓄熱材の重量対比10〜40重量%を添加して乳化させ、前記乳化した混合物に開始剤0.005〜1.0重量%を添加して重合反応させる1次カプセル化段階と、
前記潜熱蓄熱材が1次にカプセル化された溶液に2次モノマーを前記潜熱蓄熱材の重量対比20〜50重量%で添加し、アルデヒド基またはジイソシアネート基を含有する化合物を前記2次モノマーの重量対比30〜500重量%添加して架橋結合させる2次カプセル化段階とを含む、潜熱蓄熱材含有マイクロカプセルの製造方法。 - 前記水100重量%に対して界面活性剤0.1〜10重量%が溶解した溶液の温度が、60〜90℃であることを特徴とする、請求項1に記載の潜熱蓄熱材含有マイクロカプセルの製造方法。
- 前記潜熱蓄熱材として、炭素数10〜36個のパラフィン系飽和炭化水素、ポリエチレングリコール、溶融点−30〜80℃の範囲を持つ有機化合物系オイル、またはワックスを単独でまたは2つ以上混合して使用することを特徴とする、請求項1に記載の潜熱蓄熱材含有マイクロカプセルの製造方法。
- 前記1次モノマーが、メタクリル酸0〜80重量%、エステル化されたアクリル酸20〜100重量%、および不飽和エチレン化合物0〜30重量%から構成されたものを含むことを特徴とする、請求項1に記載の潜熱蓄熱材含有マイクロカプセルの製造方法。
- 前記2次モノマーが、メラミン樹脂、尿素樹脂、またはこれらの混合物であることを特徴とする、請求項1に記載の潜熱蓄熱材含有マイクロカプセルの製造方法。
- アルデヒド基を含有する化合物が、ホルムアルデヒド、アセトアルデヒド、またはこれらの混合物であることを特徴とする、請求項1に記載の潜熱蓄熱材含有マイクロカプセルの製造方法。
- ジイソシアネート基を含有する化合物が、トルエン−2,4−ジイソシアネート、メチレンジフェニルイソシアネート、ヘキシルジイソシアネート、水素化されたビフェニルメタンジイソシアネート、イソホロンジイソシアネート、トリイソシアネート、ポリイソシアネート、またはこれらの混合物であることを特徴とする、請求項1に記載の潜熱蓄熱材含有マイクロカプセルの製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020040056752A KR100555881B1 (ko) | 2004-07-21 | 2004-07-21 | 잠열저장물질을 함유한 마이크로캡슐의 제조방법 |
PCT/KR2005/002371 WO2006009406A1 (en) | 2004-07-21 | 2005-07-21 | Preparation of microcapsule using phase change material |
Publications (1)
Publication Number | Publication Date |
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JP2008507605A true JP2008507605A (ja) | 2008-03-13 |
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JP2007522430A Pending JP2008507605A (ja) | 2004-07-21 | 2005-07-21 | 潜熱蓄熱材を用いたマイクロカプセルの製造方法 |
Country Status (4)
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US (2) | US20080193653A1 (ja) |
JP (1) | JP2008507605A (ja) |
KR (1) | KR100555881B1 (ja) |
WO (1) | WO2006009406A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007244935A (ja) * | 2006-03-13 | 2007-09-27 | Kagoshima Univ | マイクロカプセルの製造方法 |
JP2008132425A (ja) * | 2006-11-28 | 2008-06-12 | Osaka Gas Co Ltd | Psa装置 |
JP2018501102A (ja) * | 2014-10-16 | 2018-01-18 | エンカプシス、リミテッド、ライアビリティー、カンパニーEncapsys, Llc | 徐放性二重壁マイクロカプセル |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2007244935A (ja) * | 2006-03-13 | 2007-09-27 | Kagoshima Univ | マイクロカプセルの製造方法 |
JP2008132425A (ja) * | 2006-11-28 | 2008-06-12 | Osaka Gas Co Ltd | Psa装置 |
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JP2018501102A (ja) * | 2014-10-16 | 2018-01-18 | エンカプシス、リミテッド、ライアビリティー、カンパニーEncapsys, Llc | 徐放性二重壁マイクロカプセル |
Also Published As
Publication number | Publication date |
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KR100555881B1 (ko) | 2006-03-03 |
US20110008536A1 (en) | 2011-01-13 |
US20080193653A1 (en) | 2008-08-14 |
WO2006009406A1 (en) | 2006-01-26 |
KR20060007690A (ko) | 2006-01-26 |
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