CN102164666A - 冰箱中产品的湿度控制 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
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Abstract
本发明提供了一种包括保湿剂和硅胶吸附剂的混合物的产品防腐制品。
Description
技术领域
本发明涉及产品防腐装置，它是在产品储存中进行水分控制的制品。本发明尤其涉及在冰箱的产品抽屉中采用这种装置。
背景技术
在冰箱内储存产品时，食材通常存放在指定用于蔬菜或者水果的抽屉中。抽屉通常具有密封条，它保证与无霜冰箱内的通常干燥空气分离。然而，在这种抽屉内存放水果和蔬菜仍存在问题。有些蔬菜和水果释放水分，这些水分在抽屉内凝结，并且如果湿度太高，则导致蔬菜腐烂，以及水果和蔬菜上长出霉菌或者其他真菌。在其他例子中，与冰箱内其他位置一样，抽屉内呈现低湿度，并且不保持足以防止水果和蔬菜变干的湿度。
在抽屉内储存水果和蔬菜的另一个困难是，当它们成熟时，它们中的许多释放乙烯。诸如香蕉、苹果、油梨和梨的水果释放乙烯的比率相当高。许多其他蔬菜也释放乙烯，但是比率比较低。这种乙烯可以导致这些水果和储存在同一个产品储藏室或者抽屉内的其他产品快速成熟。这种快速成熟实际上加速了该腐烂过程，湿气的任何增加都将促进这种腐烂过程。
仍然需要一种方法更好地防止储存在冰箱内，特别是储存在产品抽屉内的蔬菜和水果变质。希望使抽屉内的湿度保持在要求的范围内。希望有一种方法能够控制产品抽屉内的湿度，并且还能够控制抽屉内的产品可能发生的其他不希望的事情，诸如快速成熟、变质和变味。
发明内容
本发明的目的是克服现有技术的缺陷。
本发明的另一个目的是改善并且延长冰箱的产品抽屉内的产品储存时间。
本发明提供了一种产品防腐制品，其包括保湿剂和吸附剂的混合物。
在本发明的另一个实施例中，提供了一种包括产品抽屉的冰箱，其中该产品抽屉配备了包括保湿剂和硅胶吸附剂的混合物的产品防腐制品。
具体实施方式
本发明保证较长时间储存产品，而不变坏。本发明提供了一种防止冰箱的产品抽屉内发生凝结的方法。在又一个实施例中，通过吸收乙烯，本发明保证减轻蔬菜和水果的成熟。本发明将湿度进一步控制在满足蔬菜和水果储存的范围内。在另一个实施例中，根据下面所做的详细描述，这些以及其他优点将是显而易见的。
本发明的产品防腐制品包括：在储藏室内有效混合的保湿剂和吸附剂的混合物，在湿度约85或者90％以上时，它会吸收过量水分，而当水含量低于约70或者80％时，它将水分释放到该储藏室的空气中。通过这样做，该制品将水分控制在产品食材通常希望的数量，即，在储藏室内的湿度水平不足以产生冷凝，但是足以保持产品食材膨胀的范围内。在此用到的产品食材既指水果又指蔬菜。在蔬菜中，包括诸如芜菁和欧洲防风草的根类食材。
本发明的防腐制品通常放置在冰箱的产品抽屉内，抽屉的气封件基本上可以使它与冰箱内的总体湿度隔离。
本发明的保湿剂与吸附剂一起工作，以在蔬菜抽屉内产生所要求的湿度。保湿剂是一种亲水物质，对食材的含水量具有稳定作用。保湿剂可以使其周围环境因为湿度波动导致水分含量变化保持在小范围内。本发明的适当的保湿剂是金属盐，诸如氯化钾、氯化钠、硫酸钠、碳酸钠、以及它们的混合物。优选材料是硫酸钾，因为这种材料在所要求的相对湿度下有效，并且其成本低。
吸附剂材料可以是可以与制品中的水结合并且保持制品中的水的任何材料。这可以防止在抽屉内发生冷凝。可以采用任何适当的吸附剂。典型的吸附剂是硅胶和活性炭。优选吸附剂是大孔隙硅胶，因为这种材料能够吸收大量的水，而不会丧失其有气孔的结构。大孔隙硅可以被看作其至少15％的孔隙具有大于350埃的孔径。如果活性炭用作吸附剂材料，则它不能吸收如大孔隙硅胶同样多的水，但是它还能有效抵抗产品抽屉中产生的气味。还可以采用各种吸附剂的组合物。
众所周知，在成熟过程中，一些种类的水果和蔬菜释放乙烯。香蕉、苹果和梨被知释放较大量的乙烯，但是诸如莓、油梨和菠萝的其他水果也释放乙烯。这种乙烯如果密封在产品抽屉内，则加快这些食材以及其他蔬菜和水果成熟。然而，公知过度成熟或者“过熟”对水果和蔬菜有害；这种作用包括降低水果或者蔬菜的新鲜度，并且降低主要维生素和矿物质的效力，因此，使得该水果或者蔬菜几乎不适合消费。适宜的乙烯吸收体是活性炭、硫醇、高锰酸钾和过氧化钙。可以采用任何有效数量的这些材料。炭或者活性炭可以用作这些材料的载体，以更好地混和到该产品防腐装置内。
如上所述，本发明的合成物可以吸收水或者水汽并释放水或者水汽，以保持产品抽屉内较稳定的相对湿度。湿度控制量随产品防腐装置的水分保持能力而变化。硫酸钾保持90与95％的相对湿度，但是当与大孔隙硅胶混合时，它保持接近85％的湿度。吸附剂和保湿剂的数量和类型、吸附剂和保湿剂包装在其内的材料的传递能力、以及抽屉内释放的水量影响总体吸收解吸附水分的动力，并因此决定了产品防腐装置的寿命和有效性。
本发明的产品防腐制品可以以几种方式放置在冰箱的产品储藏室内。该制品可以包括诸如TyvekTM的防漏水汽可渗透材料，以形成剂囊。任何其他水汽可渗透、但是液态水不可渗透的非织物材料也非常适合用于这种剂囊，诸如Polymer Group Inc.(PGI)制造的PacklineTM。在这种变型中，产品防腐制品可以利用粘合剂轻而易举地紧固在板或者片上。这种产品防腐片或者囊可以紧固在抽屉上，以使其与产品混合在一起的可能性降到最低。该冰箱产品抽屉可以包含对抽屉通风的腔，这样产品防腐装置可以放置在其中，而实质上并没有与产品混合。
本发明的制品可以含有其他活性组分。该其他活性组分可以包括生物抑制剂或者杀菌剂。此外，该制品可以包括香料，诸如丁香油、牛至油、薄荷醇或者石灰。该制品可以含有诸如活性炭的脱臭剂。
可以以任何有效量混合产品防腐制品中的活性组分。通常，吸附剂和保湿剂可以是以重量计4-10份的吸附剂和以重量计0.5至1.5份的保湿剂。
为了运输或者销售，本发明的制品也可以以包装的产品形式使用，而不放置在冰箱的抽屉内。包装的产品同样需要保持湿度，而不会在包装内具有过量的水汽。
在打算与采用阻氧性材料包封的产品一起使用的产品防腐制品中，该材料还可以含有吸氧剂。这可以防止该产品腐烂。与此同时，可以对该产品保持湿度，以致它可以长期存放在包装内。在产品抽屉中附加采用吸氧体不是太有效，它会因为抽屉被打开和关闭使氧进入而迅速耗尽。可以采用诸如二价铁或者具有适当电解液的二价铁的吸氧材料。在可以由波长低于380nm的紫外线光照射有效活化的诸如基于蒽醌的除氧化合物的抗氧化剂中，可以利用紫外光活化除氧。优选在母体聚合物中存在次级羟基氢氧基官能度，而无需任何基于过渡金属的催化剂。诸如US 5,350,622(Speer等人)和US 6,569,506中的除氧剂材料也适用。
例子
目的：调节蔬菜室内的冷凝
方法：
母料：
1.将285克的硫酸钾(K2SO4)溶解在2855ml的蒸馏水中，加热到44℃，以形成溶液。
2.将753.52克的大孔隙硅胶(WPSG)添加到食物搅拌机中；将步骤1的502.48ml的K2SO4溶液非常缓慢地注入凝胶中。
3.刮平侧面并且另外混合2分钟。
4.添加56克的干K2SO4，以掺合、混合5分钟，从滚筒上除下并密封在阻隔袋中。这时处于K2SO4的饱和点，而当冷却时，混合料保持处于过饱和。
5.将15克的混合物4放置在由垂直的或者水平的“成型-装料-密封”机器形成的TyvekTM或者PacklineTM剂囊中。
6.该剂囊将使具有重1.4镑的6个成熟苹果的产品抽屉内的相对湿度保持5天低于90％。
本发明的上述实施例是说明性实施例，而且提供它们是为了说明问题。该实施例无意限制本发明的范围。通过阅读上面的描述，各种变型和修改显而易见，并且它们包括在本发明的范围内。本发明仅受所附权利要求书的范围的限制。
Claims (31)
1.一种产品防腐制品，其包括保湿剂和硅胶吸附剂的混合物。
2.根据权利要求1所述的产品防腐制品，其中所述保湿剂包括碱金属盐。
3.根据权利要求2所述的产品防腐制品，其中所述金属盐包括从氯化钾、氯化钠、硫酸钠、碳酸钠、和它们的混合物的组中选择的至少一种。
4.根据权利要求1所述的产品防腐制品，其中所述保湿剂包括硫酸钾。
5.根据权利要求1所述的产品防腐制品，其中所述制品进一步包括吸氧体。
6.根据权利要求1所述的产品防腐制品，其中所述硅胶包括大孔隙硅胶。
7.根据权利要求1所述的产品防腐制品，其中所述防腐制品包括活性炭。
8.根据权利要求1所述的产品防腐制品，进一步包括乙烯吸收体。
9.根据权利要求8所述的产品防腐制品，其中该乙烯吸收体包括高锰酸钾。
10.根据权利要求8所述的产品防腐制品，其中该乙烯吸收体包括过氧化钙。
11.根据权利要求9所述的产品防腐制品，其中该乙烯吸收体包括涂敷了乙烯吸收体的活性炭。
12.根据权利要求8所述的产品防腐制品，其中所述乙烯吸收体包括硫醇(mercaptan)或者巯基(thiol)。
13.根据权利要求1所述的产品防腐制品，其中所述吸附剂具有以重量计4至10份的数量，而该保湿剂具有以重量计0.5至1.5份的数量。
14.根据权利要求1所述的产品防腐制品，其中该混合物包含在水汽可渗透的剂囊中。
15.一种包括产品抽屉的冰箱，其中该产品抽屉内配备了包括保湿剂和吸附剂的产品防腐制品。
16.根据权利要求15所述的冰箱，其中所述保湿剂包括碱金属盐。
17.根据权利要求16所述的冰箱，其中该碱金属盐包括从氯化钾、氯化钠、硫酸钠、碳酸钠、和它们的混合物的组中选择的至少一种。
18.根据权利要求15所述的冰箱，其中所述保湿剂包括硫酸钾。
19.根据权利要求15所述的冰箱，其中所述吸附剂包括硅胶。
20.根据权利要求19所述的冰箱，其中所述硅胶包括大孔隙硅胶。
21.根据权利要求15所述的冰箱，其中所述吸附剂包括活性炭。
22.根据权利要求15所述的冰箱，进一步包括乙烯吸收体。
23.根据权利要求22所述的冰箱，其中该乙烯吸收体包括高锰酸钾。
24.根据权利要求22所述的冰箱，其中该乙烯吸收体包括过氧化钙。
25.根据权利要求22所述的冰箱，其中该乙烯吸收体包括涂敷了乙烯吸收体的活性炭。
26.根据权利要求25所述的冰箱，其中所述乙烯吸收体包括硫醇(mercaptan)或者巯基(thiol)。
27.根据权利要求15所述的冰箱，其中所述吸附剂具有以重量计4至10份的数量，而该保湿剂具有以重量计0.5至1.5份的数量。
28.根据权利要求15所述的冰箱，其中该混合物包含在水汽可渗透的剂囊中。
29.根据权利要求15所述的冰箱，其中该抽屉配备了密封垫。
30.根据权利要求15所述的冰箱，其中在抽屉内存在空气循环。
31.根据权利要求15所述的冰箱，其中该产品抽屉具有对该抽屉通风的腔，或者有放置该产品防腐制品的位置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/180,983 | 2008-07-28 | ||
| US12/180,983 US8057586B2 (en) | 2008-07-28 | 2008-07-28 | Humidity control for product in a refrigerator |
| PCT/US2009/051523 WO2010014488A2 (en) | 2008-07-28 | 2009-07-23 | Humidity control for produce in a refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102164666A true CN102164666A (zh) | 2011-08-24 |
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| CN2009801380062A Pending CN102164666A (zh) | 2008-07-28 | 2009-07-23 | 冰箱中产品的湿度控制 |
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| Country | Link |
|---|---|
| US (1) | US8057586B2 (zh) |
| EP (1) | EP2310121A2 (zh) |
| JP (1) | JP2011529342A (zh) |
| CN (1) | CN102164666A (zh) |
| AR (1) | AR073462A1 (zh) |
| BR (1) | BRPI0916520A2 (zh) |
| CA (1) | CA2733004C (zh) |
| CL (1) | CL2011000173A1 (zh) |
| MX (1) | MX2011001063A (zh) |
| TW (1) | TW201012378A (zh) |
| WO (1) | WO2010014488A2 (zh) |
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| JP3802896B2 (ja) | 2003-10-06 | 2006-07-26 | ローム株式会社 | 半導体レーザ |
| US7560033B2 (en) | 2004-10-13 | 2009-07-14 | E.I. Dupont De Nemours And Company | Multi-functional oxidizing composition |
| US7856948B2 (en) | 2004-05-27 | 2010-12-28 | Wyeth Llc | Self-steaming compositions, articles comprising such compositions and methods of preparing such compositions |
| US7501011B2 (en) * | 2004-11-09 | 2009-03-10 | Multisorb Technologies, Inc. | Humidity control device |
| EP1845321B1 (en) | 2006-01-30 | 2017-07-26 | Whirlpool Corporation | Refrigerator with moisture adsorbing device |
| JP2007308372A (ja) * | 2007-09-03 | 2007-11-29 | Mitsubishi Chemicals Corp | シリカゲルの製造方法 |
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2008
- 2008-07-28 US US12/180,983 patent/US8057586B2/en not_active Expired - Fee Related
-
2009
- 2009-07-23 JP JP2011521203A patent/JP2011529342A/ja active Pending
- 2009-07-23 CA CA2733004A patent/CA2733004C/en not_active Expired - Fee Related
- 2009-07-23 CN CN2009801380062A patent/CN102164666A/zh active Pending
- 2009-07-23 WO PCT/US2009/051523 patent/WO2010014488A2/en active Application Filing
- 2009-07-23 BR BRPI0916520A patent/BRPI0916520A2/pt not_active IP Right Cessation
- 2009-07-23 EP EP09803404A patent/EP2310121A2/en not_active Withdrawn
- 2009-07-23 MX MX2011001063A patent/MX2011001063A/es active IP Right Grant
- 2009-07-28 TW TW098125380A patent/TW201012378A/zh unknown
- 2009-07-28 AR ARP090102867A patent/AR073462A1/es unknown
-
2011
- 2011-01-27 CL CL2011000173A patent/CL2011000173A1/es unknown
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| CN85105631A (zh) * | 1985-09-24 | 1987-04-01 | 暨南大学 | 一种吸附型保存剂 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105917181A (zh) * | 2013-12-20 | 2016-08-31 | Bsh家用电器有限公司 | 具有存放区域的制冷器具 |
| CN105917181B (zh) * | 2013-12-20 | 2018-11-02 | Bsh家用电器有限公司 | 具有存放区域的制冷器具 |
| CN106070572A (zh) * | 2016-06-21 | 2016-11-09 | 食曰（上海）生物科技有限公司 | 一种枸杞防腐保鲜剂及其制备方法与应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010014488A2 (en) | 2010-02-04 |
| US8057586B2 (en) | 2011-11-15 |
| EP2310121A2 (en) | 2011-04-20 |
| BRPI0916520A2 (pt) | 2015-11-10 |
| TW201012378A (en) | 2010-04-01 |
| CL2011000173A1 (es) | 2011-04-08 |
| MX2011001063A (es) | 2011-05-30 |
| AR073462A1 (es) | 2010-11-10 |
| CA2733004A1 (en) | 2010-02-04 |
| WO2010014488A3 (en) | 2010-04-15 |
| US20100018236A1 (en) | 2010-01-28 |
| JP2011529342A (ja) | 2011-12-08 |
| CA2733004C (en) | 2016-05-10 |
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