JP6750683B2 - 樹脂部材及びそれを用いたシート、並びに蓄熱材及びそれを用いた熱制御シート - Google Patents
樹脂部材及びそれを用いたシート、並びに蓄熱材及びそれを用いた熱制御シート Download PDFInfo
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- JP6750683B2 JP6750683B2 JP2018543560A JP2018543560A JP6750683B2 JP 6750683 B2 JP6750683 B2 JP 6750683B2 JP 2018543560 A JP2018543560 A JP 2018543560A JP 2018543560 A JP2018543560 A JP 2018543560A JP 6750683 B2 JP6750683 B2 JP 6750683B2
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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Description
また、上記融点は、示差走査熱量計(例えば、パーキンエルマー製「8500」)を用いて、昇温速度10℃/分で加熱したときに得られたサーモグラムの融解(吸熱)ピークの最大傾斜の接線がベースラインと交わる点の温度である。
A−1:エチレンとオクテンとの共重合体(ダウ・ケミカル日本(株)製、製品名「ENGAGE8150」)
A−2:エチレンとプロピレンとの共重合体(住友化学(株)製、製品名「エスプレンV141」)
a−1:水添ジエン系共重合体(JSR(株)製、製品名「DYNARON CEBC 6200P」)
(鎖状飽和炭化水素化合物)
B−1:n−ヘキサデカン(融点:18℃)
B−2:n−ペンタデカン(融点:9℃)
B−3:HNP−9(日本精蝋(株)製のパラフィンワックス、融点:74〜76℃)
(カルボン酸又はカルボン酸金属塩)
C−1:オレイン酸
C−2:2−エチルヘキサン酸アルミニウム
各実施例及び比較例について、30mm×5mm×1mmの大きさの樹脂部材をサンプルとして用い、引張試験機により、25℃でチャック間10mm、引張速度500mm/分の条件でサンプルを引っ張り、破断に至るまでの歪量(%)を測定した。結果を表1に示す。また、実施例1,2及び比較例3の結果については、図3にも示す。
得られた樹脂部材について、示差熱分析(DSC)により、昇温速度10℃/分の昇温過程における融解のピーク面積から融解熱(J/g)を算出した。結果を表1に示す。
試料(樹脂部材)をホットプレート上に置き、30℃から5℃ごとに昇温させていき(昇温速度:約5℃/分)、形状変化が開始する温度(℃)を測定した。測定結果を表1に示す。
実施例3の組成を有するフィルム状の樹脂部材について、鎖状飽和炭化水素化合物の融点以下及び融点を超える温度での状態を確認した。その結果、融点を超える温度では透明な状態となり、融点以下では鎖状飽和炭化水素化合物であるヘキサデカンが結晶化するため白色の状態になった。このことから当該フィルム状の樹脂部材とアルミニウム箔等の金属層とを組合せることにより、融点を超える温度ではアルミニウム箔等の金属層が太陽光を反射することが有効となり、融点以下では太陽光の反射が抑制されることが期待できる。
Claims (4)
- エチレンと炭素数が3以上のオレフィンとの共重合体と、
鎖状飽和炭化水素化合物と、
を含み、
前記鎖状飽和炭化水素化合物の融点が50℃未満であり、前記オレフィンの炭素数が8である、樹脂部材。 - 金属層と、前記金属層上に形成された請求項1に記載の樹脂部材からなる樹脂層とを備えるシート。
- エチレンと炭素数が3以上のオレフィンとの共重合体と、
鎖状飽和炭化水素化合物と、
を含み、
前記鎖状飽和炭化水素化合物の融点が50℃未満であり、前記オレフィンの炭素数が8である、蓄熱材。 - 金属層と、前記金属層上に形成された請求項3に記載の蓄熱材からなる蓄熱層とを備える熱制御シート。
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EP3524658B1 (en) | 2022-04-06 |
KR102619223B1 (ko) | 2023-12-29 |
WO2018066130A1 (ja) | 2018-04-12 |
KR20190065275A (ko) | 2019-06-11 |
TWI829624B (zh) | 2024-01-21 |
US20200048521A1 (en) | 2020-02-13 |
JPWO2018066130A1 (ja) | 2019-07-25 |
US11535782B2 (en) | 2022-12-27 |
TW201827557A (zh) | 2018-08-01 |
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