CN1162351A - 隔热体 - Google Patents
隔热体 Download PDFInfo
- Publication number
- CN1162351A CN1162351A CN95195986A CN95195986A CN1162351A CN 1162351 A CN1162351 A CN 1162351A CN 95195986 A CN95195986 A CN 95195986A CN 95195986 A CN95195986 A CN 95195986A CN 1162351 A CN1162351 A CN 1162351A
- Authority
- CN
- China
- Prior art keywords
- insulator
- thin slice
- plastic foam
- foam material
- porous material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/231—Filled with gas other than air; or under vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/233—Foamed or expanded material encased
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/239—Complete cover or casing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Table Devices Or Equipment (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Materials For Medical Uses (AREA)
- Bipolar Transistors (AREA)
- Building Environments (AREA)
Abstract
一种隔热体,包括a)磨成粉末的硬质泡沫塑料材料和任选的一种无机多孔材料,以及b)一种覆盖构件a)的薄片,其中覆盖构件a)的薄片被抽真空并随之密封。
Description
人们已知的隔热体(真空板),是用多孔材料和将其完全覆盖的不透气薄片制成,多孔材料抽成真空形成“空洞”。然而,多孔材料可以是膨胀的疏松材料,也可以是硬质泡沫材料组成。通常薄片由几层组合而成,各层具有不同的功能,例如对不同气体的扩散屏障和机械补强。
多数市场上买得到的真空板具有一个无机疏松材料芯,一般这个芯以硅酸盐为主。
EP-B-188 806描述了以聚氨酯(PUR)为主的硬质泡沫材料作真空板填充材料的情况。因为聚氨酯硬质泡沫材料以闭孔为主,这种工艺存在的问题是,要获得必须的开孔泡沫结构,需精选配方并遵守确定的工艺参数。当用聚氨酯硬质泡沫材料作支撑材料制备真空板时,存在其他例如胺、发泡剂以及可能的单体等易挥发组分的去除问题。
另一方面,硬质聚氨酯泡沫材料与多孔无机疏松材料相比具有一个优点,就是用其制成的真空板具有精确的尺寸,以及尺寸稳定性。
人们意外的发现,现在已经找到了能够经济的生产用于真空板优秀支撑材料的方法,即通过磨碎硬质泡沫材料生产多孔疏松材料并加工该疏松材料-类似于多孔硅酸盐疏松材料-制成真空板。在这一点上,优选使用的硬质发泡材料来自回收有价值的物质,特别优选的是来自回收的冷冻设备上的聚氨酯泡沫材料。
本发明因此涉及的隔热体包括
a)磨成粉末的硬质泡沫塑料材料和任选的一种无机多孔材料,以及
b)一种覆盖构件a)的薄片
其中覆盖构件a)的薄片被抽成真空并随之密封。
根据本发明,优选的是
被磨碎的泡沫塑料材料是聚氨酯泡沫材料,该材料优选来自于回收旧冷冻设备过程,
泡沫塑料材料粉末颗粒尺寸从0.01mm至1mm,
用薄片覆盖以前,在任选的低压下,加热到温度为50至250℃,优选温度为120至200℃,将易挥发组分从泡沫塑料材料中除去,
用薄片覆盖之前,泡沫塑料材料粉末的预压压力在0.5至5巴之间,优选地在1至3巴之间,
用来覆盖的多层薄片,优选聚乙烯/铝片或者聚乙烯/聚乙烯醇片。
多孔硅酸盐用作无机多孔材料。
所有已知的用于市售真空板生产的薄片,例如复合片,都能用在根据本发明生产的真空板产品上。例如:聚乙烯片与聚乙烯醇片复合片或聚乙烯片与铝片复合片。理论上说,所有硬质泡沫塑料材料均适合作泡沫材料用于本发明。硬质聚氨酯泡沫材料是优选的。即使用于真空板的薄片已经具有高不透气性,然而它们不能形成对气体或蒸汽的屏蔽。特别是,当水蒸汽渗入时,对真空度产生不利影响并因此影响真空板的热绝缘性质。为了防止这种情况,根据本发明,吸附蒸汽的物质,象那些以硅酸盐或氧化铝为主要成分的物质,可掺入使用,重量百分含量从10至90%,优选地从20至50%。
根据本发明,硬质泡沫材料通过碾磨能够有效的磨碎;如果必要的话,较大片的泡沫材料也容易轧碎。
根据本发明,能够控制空隙率精细度,控制方法是首先通过磨碎过程的密度,其次通过被磨碎泡沫材料孔结构精度。
根据本发明,在压力是0.5至5巴,优选压力是1至3巴时预压该泡沫材料粉末是有益的,压制件随后加工制成真空板。
根据本发明,优选的将多孔硅酸盐用作任选使用的无线多孔材料,任选掺入使用的无机多孔材料其重量百分含量在0.1至80%之间,优选地在20至50%之间,以磨成粉末的硬质泡沫材料为计算基准。
应用实施例
取聚氨酯硬质泡沫粉末1000g-其来自粉碎旧冷冻器具中使用过的泡沫材料-在2.5巴压力下预压。得到的压制件厚度大约2cm,在100℃时干燥2小时后切成面积为40×40cm的成品,随后用由几层组成的薄片覆盖,覆盖片:
聚乙烯/聚乙烯醇/聚乙烯。
这样获得的用聚氨酯粉末填充的“袋”抽真空,至压力降到0.001巴。在真空下将薄片的边缘熔接。得到的该真空板传热参数λ为10mW/°Km。
Claims (7)
1.一种隔热体,包括
a)磨成粉末的硬质泡沫塑料材料和任选的一种无机多孔材料,以及
b)一种覆盖构件a)的薄片,
其中覆盖构件a)的薄片被抽真空并随之密封。
2.根据权利要求1的隔热体,其特征在于被磨碎的泡沫塑料材料是硬质聚氨酯泡沫材料。
3.根据权利要求1至2的隔热体,其特征在于泡沫塑料材料粉末具有0.01mm至1mm的颗粒尺寸。
4.根据权利要求1至3的隔热体,其特征在于用薄片覆盖以前,任选地在低压下,加热到温度为50至250℃,优选温度为120至200℃,使易挥发组分从泡沫塑料材料中除去。
5.根据权利要求1至4的隔热体,其特征在于泡沫塑料材料粉末预压压力在0.5至5巴之间,优选地在1至3巴之间。
6.根据权利要求1至5的隔热体,其特征在于用作覆盖片的多层薄片,优选聚乙烯/铝薄片或者聚乙烯/聚乙烯醇薄片。
7.根据权利要求1至6的隔热体,其特征在于多孔硅酸盐用作无机多孔材料。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4439331.8 | 1994-11-04 | ||
DE4439331 | 1994-11-04 | ||
DE19510767A DE19510767A1 (de) | 1994-11-04 | 1995-03-24 | Wärmeisolierender Körper |
DE19510767.5 | 1995-03-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1162351A true CN1162351A (zh) | 1997-10-15 |
CN1047835C CN1047835C (zh) | 1999-12-29 |
Family
ID=25941668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95195986A Expired - Fee Related CN1047835C (zh) | 1994-11-04 | 1995-10-26 | 隔热体 |
Country Status (15)
Country | Link |
---|---|
US (1) | US6143389A (zh) |
EP (1) | EP0791155B1 (zh) |
JP (1) | JPH10508364A (zh) |
CN (1) | CN1047835C (zh) |
AT (1) | ATE167924T1 (zh) |
BR (1) | BR9509549A (zh) |
CA (1) | CA2203422C (zh) |
CZ (1) | CZ125597A3 (zh) |
ES (1) | ES2117881T3 (zh) |
HR (1) | HRP950541B1 (zh) |
HU (1) | HU220365B (zh) |
MX (1) | MX9702802A (zh) |
PL (1) | PL181643B1 (zh) |
RU (1) | RU2156914C2 (zh) |
WO (1) | WO1996014538A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100430209C (zh) * | 2001-12-27 | 2008-11-05 | 工程吸气公司 | 制造筒形热绝缘真空板的方法及用该方法获得的板 |
CN101349375B (zh) * | 2007-08-17 | 2012-12-12 | 上海海事大学 | 一种用于热水器的真空绝热板及其制备方法 |
CN107208417A (zh) * | 2014-11-28 | 2017-09-26 | 圣戈班伊索福公司 | 隔热套件和系统及其安装方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6017196B2 (ja) * | 1978-01-23 | 1985-05-01 | 株式会社日立製作所 | 固体撮像素子 |
KR100825130B1 (ko) * | 2001-07-06 | 2008-04-24 | 어플라이드 머티어리얼스, 인코포레이티드 | 금속 에칭 공정 동안 플라즈마 에칭 챔버내에서 파티클을감소시키는 방법 |
EP2526160A1 (en) * | 2010-01-19 | 2012-11-28 | Huntsman International LLC | Materials comprising a matrix and process for preparing them |
DE102015008157A1 (de) * | 2014-11-27 | 2016-06-02 | Liebherr-Hausgeräte Lienz Gmbh | Vakuumdämmkörper |
UA120951C2 (uk) | 2017-07-06 | 2020-03-10 | Іван Георгійович Рабізо | Термовкладиш для транспортування вантажів |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4492725A (en) * | 1982-07-20 | 1985-01-08 | Matsushita Electric Industrial Co., Ltd. | Composite thermal insulator |
EP0132477B1 (fr) * | 1983-07-29 | 1986-08-27 | René Delluc | Enceinte tubulaire à vide pour panneaux d'isolation thermique et acoustique |
US4513041A (en) * | 1983-08-12 | 1985-04-23 | Delluc Rene | Tubular vacuum-tight enclosures for thermal and acoustical insulating panels |
DE3584672D1 (de) * | 1984-12-27 | 1991-12-19 | Matsushita Refrigeration | Polyurethanhartschaum enthaltender waermeisolierender koerper. |
DE4141524C1 (en) * | 1991-12-17 | 1993-05-06 | Mario O-9560 Zwickau De Reinhold | Fibre material for internal building panels insulation, etc. - comprises material including recycled material, which can be reduced into fibres and binding agent |
US5273801A (en) * | 1991-12-31 | 1993-12-28 | Whirlpool Corporation | Thermoformed vacuum insulation container |
DE4306447C2 (de) * | 1992-03-30 | 1996-11-28 | Hecker & Krosch Gmbh & Co Kg | Recycling-Verfahren für Polyurethan-Hartschaum |
DE4228355C1 (de) * | 1992-08-26 | 1994-02-24 | Didier Werke Ag | Feuerfeste Leichtformkörper |
DE4240854C2 (de) * | 1992-12-04 | 1997-05-22 | Klaus Rehahn Gmbh & Co Kg | Isoliereinlage |
-
1995
- 1995-10-26 CN CN95195986A patent/CN1047835C/zh not_active Expired - Fee Related
- 1995-10-26 CA CA002203422A patent/CA2203422C/en not_active Expired - Fee Related
- 1995-10-26 CZ CZ971255A patent/CZ125597A3/cs unknown
- 1995-10-26 HU HU9702101A patent/HU220365B/hu not_active IP Right Cessation
- 1995-10-26 EP EP95936558A patent/EP0791155B1/de not_active Expired - Lifetime
- 1995-10-26 WO PCT/EP1995/004218 patent/WO1996014538A1/de not_active Application Discontinuation
- 1995-10-26 ES ES95936558T patent/ES2117881T3/es not_active Expired - Lifetime
- 1995-10-26 US US08/836,907 patent/US6143389A/en not_active Expired - Fee Related
- 1995-10-26 MX MX9702802A patent/MX9702802A/es unknown
- 1995-10-26 RU RU97108974/06A patent/RU2156914C2/ru not_active IP Right Cessation
- 1995-10-26 JP JP8515014A patent/JPH10508364A/ja active Pending
- 1995-10-26 PL PL95319967A patent/PL181643B1/pl unknown
- 1995-10-26 BR BR9509549A patent/BR9509549A/pt not_active IP Right Cessation
- 1995-10-26 AT AT95936558T patent/ATE167924T1/de not_active IP Right Cessation
- 1995-11-02 HR HR950541A patent/HRP950541B1/xx not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100430209C (zh) * | 2001-12-27 | 2008-11-05 | 工程吸气公司 | 制造筒形热绝缘真空板的方法及用该方法获得的板 |
CN101349375B (zh) * | 2007-08-17 | 2012-12-12 | 上海海事大学 | 一种用于热水器的真空绝热板及其制备方法 |
CN107208417A (zh) * | 2014-11-28 | 2017-09-26 | 圣戈班伊索福公司 | 隔热套件和系统及其安装方法 |
Also Published As
Publication number | Publication date |
---|---|
HRP950541B1 (en) | 2000-06-30 |
BR9509549A (pt) | 1997-09-16 |
HU220365B (hu) | 2001-12-28 |
RU2156914C2 (ru) | 2000-09-27 |
EP0791155A1 (de) | 1997-08-27 |
CN1047835C (zh) | 1999-12-29 |
ATE167924T1 (de) | 1998-07-15 |
CA2203422C (en) | 2005-09-20 |
HUT77189A (hu) | 1998-03-02 |
HRP950541A2 (en) | 1997-04-30 |
PL319967A1 (en) | 1997-09-01 |
US6143389A (en) | 2000-11-07 |
EP0791155B1 (de) | 1998-07-01 |
ES2117881T3 (es) | 1998-08-16 |
PL181643B1 (en) | 2001-08-31 |
CZ125597A3 (en) | 1997-08-13 |
MX9702802A (es) | 1997-06-28 |
CA2203422A1 (en) | 1996-05-17 |
WO1996014538A1 (de) | 1996-05-17 |
JPH10508364A (ja) | 1998-08-18 |
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