JP4868767B2 - 氷結晶成長抑制剤及びその用途 - Google Patents
氷結晶成長抑制剤及びその用途 Download PDFInfo
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- JP4868767B2 JP4868767B2 JP2005123711A JP2005123711A JP4868767B2 JP 4868767 B2 JP4868767 B2 JP 4868767B2 JP 2005123711 A JP2005123711 A JP 2005123711A JP 2005123711 A JP2005123711 A JP 2005123711A JP 4868767 B2 JP4868767 B2 JP 4868767B2
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- ice
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- 239000007864 aqueous solution Substances 0.000 claims description 23
- 229920002125 Sokalan® Polymers 0.000 claims description 9
- 239000004584 polyacrylic acid Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 150000003863 ammonium salts Chemical class 0.000 claims description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 96
- 238000007710 freezing Methods 0.000 description 28
- 229920000642 polymer Polymers 0.000 description 26
- 230000008014 freezing Effects 0.000 description 25
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- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 12
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- 125000000217 alkyl group Chemical group 0.000 description 4
- 125000003277 amino group Chemical group 0.000 description 4
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- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 4
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000011161 development Methods 0.000 description 3
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- VVJKKWFAADXIJK-UHFFFAOYSA-N Allylamine Chemical compound NCC=C VVJKKWFAADXIJK-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical group Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- MCHZKGNHFPNZDP-UHFFFAOYSA-N 2-aminoethane-1,1,1-triol;hydrochloride Chemical compound Cl.NCC(O)(O)O MCHZKGNHFPNZDP-UHFFFAOYSA-N 0.000 description 1
- MPNXSZJPSVBLHP-UHFFFAOYSA-N 2-chloro-n-phenylpyridine-3-carboxamide Chemical group ClC1=NC=CC=C1C(=O)NC1=CC=CC=C1 MPNXSZJPSVBLHP-UHFFFAOYSA-N 0.000 description 1
- BYDRTKVGBRTTIT-UHFFFAOYSA-N 2-methylprop-2-en-1-ol Chemical compound CC(=C)CO BYDRTKVGBRTTIT-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 acryloyloxy Chemical group 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- WPKYZIPODULRBM-UHFFFAOYSA-N azane;prop-2-enoic acid Chemical compound N.OC(=O)C=C WPKYZIPODULRBM-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002681 cryosurgery Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000082 organ preservation Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009303 sperm storage Effects 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Images
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- Freezing, Cooling And Drying Of Foods (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Description
氷蓄熱システム用途に本発明の重合体を利用する方法の一例としては、重合体を添加した液体を冷却して氷スラリーを生成させ、該氷スラリーを配管及びポンプによって所定の場所に輸送することや同様にして得られた氷スラリーを貯蔵することで冷熱を保存することが挙げられる。氷蓄熱システム用途に使用すれば、熱媒体が氷を析出させる際に氷が合一化してシステムが運転不能となることを防止できる。なお氷そのものの量は実質的には変化しないため、システムの蓄熱能力が低下する虞はない。加えて比較的少量で効果があるので、多大な過冷却状態を引き起こさない。さらに本発明の重合体は化学的に安定なので、運転効率を保ったまま長期間の運転が可能である。
また、冷凍食品に添加すれば、食品中の氷が合一化して食感が低下するのを防止できる。
ポリアクリル酸:株式会社日本触媒製、商品名「アクアリックHL−415」、分子量:10,000
ポリアクリル酸ナトリウム:上記1)のポリアクリル酸を30%水酸化ナトリウム水溶液でpH7.0になるまで中和したもの。
ポリエチレンイミン:株式会社日本触媒製、商品名「エポミンSP−200」、分子量:10,000
ポリアクリル酸アンモニウム:上記1)のポリアクリル酸を28%アンモニア水(和光純薬工業株式会社製)でpH7.0になるまで中和したもの。
上記各物質の水溶液(濃度10mg/ml)を調製した。この水溶液を温度制御付き凍結ステージ(リンカム社製、LK−600PM)にセットし、−30℃まで冷却して完全に凍結させた後、位相差顕微鏡(倍率100倍)で観察しながら約−1℃まで温度を上げていき(昇温速度100℃/分)、大きさ約0.08〜0.1mm程度の氷の単結晶が1つだけ残る状態にした。視野を0.1mm×0.1mmとし(すなわち画面上に該単結晶を拡大表示させ)、この状態からゆっくりと再冷却(冷却速度1℃/分)し、氷の結晶の成長を観察した。単結晶が1つだけ残ったときの温度(融点)と、氷の結晶の成長が観察されたときの温度(凝固点)の差(熱ヒステリシス)を求めた。また上記操作によって成長させた氷の形態も観察した。結果を表1及び図3〜図6の位相差顕微鏡写真に示す。図3はポリアクリル酸アンモニウム水溶液中の氷晶を、図4は剤を一切添加しない場合の氷晶を、図5はポリアクリル酸水溶液中の氷晶を、図6はポリアクリル酸ナトリウム水溶液中の氷晶を、図7はポリエチレンイミン水溶液中の氷晶を示す。
また表1及び図7から、主鎖にアミノ基を有するポリエチレンイミンは氷晶形態を変化させることもなく、かつ熱ヒステリシスも小さいことが分かる。
図3では非扁平円盤形、図4〜図7では扁平円盤形であることが分かる。
2…六方晶状氷晶
3…バイピラミッド型氷晶
Claims (3)
- 濃度10mg/mlの水溶液が0.020℃以上の熱ヒステリシスを示す重量平均分子量3,000〜500,000のポリアクリル酸アンモニウム塩を含んでなる氷結晶成長抑制剤。
- 請求項1の氷結晶成長抑制剤を用いた冷熱輸送用組成物。
- 請求項2の冷熱輸送用組成物を用いた冷熱輸送方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005123711A JP4868767B2 (ja) | 2005-04-21 | 2005-04-21 | 氷結晶成長抑制剤及びその用途 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005123711A JP4868767B2 (ja) | 2005-04-21 | 2005-04-21 | 氷結晶成長抑制剤及びその用途 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006299108A JP2006299108A (ja) | 2006-11-02 |
| JP4868767B2 true JP4868767B2 (ja) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2005123711A Expired - Fee Related JP4868767B2 (ja) | 2005-04-21 | 2005-04-21 | 氷結晶成長抑制剤及びその用途 |
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| Country | Link |
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| JP (1) | JP4868767B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5360456B2 (ja) * | 2008-01-16 | 2013-12-04 | 独立行政法人産業技術総合研究所 | 氷結晶成長抑制剤および氷結晶成長抑制方法 |
| KR102316040B1 (ko) * | 2019-12-03 | 2021-10-21 | 고려대학교 산학협력단 | 폴리디아세틸렌을 포함하는 결빙 방지용 조성물 |
| JP7708403B2 (ja) * | 2023-12-11 | 2025-07-15 | ダイキン工業株式会社 | 層及び構造体 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55125181A (en) * | 1979-03-22 | 1980-09-26 | Wako Pure Chem Ind Ltd | Antifreezing agent |
| JPS55161877A (en) * | 1979-06-01 | 1980-12-16 | Wako Pure Chem Ind Ltd | Low freezing point composition |
| JP3111219B1 (ja) * | 1999-05-25 | 2000-11-20 | 工業技術院長 | ポリビニルアルコールを利用した冷熱輸送方法及び装置 |
| JP4235083B2 (ja) * | 2002-10-25 | 2009-03-04 | 池田食研株式会社 | 微生物由来の不凍タンパク質 |
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- 2005-04-21 JP JP2005123711A patent/JP4868767B2/ja not_active Expired - Fee Related
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| Publication number | Publication date |
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| JP2006299108A (ja) | 2006-11-02 |
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