CN102748560A - Method for production of vacuum insulation plate via reutilization of rigid polyurethane foam - Google Patents
Method for production of vacuum insulation plate via reutilization of rigid polyurethane foam Download PDFInfo
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- CN102748560A CN102748560A CN2012102365576A CN201210236557A CN102748560A CN 102748560 A CN102748560 A CN 102748560A CN 2012102365576 A CN2012102365576 A CN 2012102365576A CN 201210236557 A CN201210236557 A CN 201210236557A CN 102748560 A CN102748560 A CN 102748560A
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- Prior art keywords
- polyurethane
- foam
- bubble foam
- pulverized
- waste
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Abstract
The invention relates to a method for production of a vacuum insulation plate via reutilization of rigid polyurethane foam, which comprises the following steps of (1) smashing waste rigid polyurethane foam; (2) fully and uniformly mixing the smashed waste rigid polyurethane foam, silica and polyurethane adhesive; (3) coating the mixture prepared in Step (2), coating a fiber net, and extruding to form a mold blank; (4) placing the mold blank into an aluminum-foil rubber bag, and adding barium-lithium composite getter; (5) sealing the aluminum-foil rubber bag; (6) vacuum pumping to 1-100Pa; and (7) packaging. The thermal conductivity of the vacuum insulation plate produced by the method is lower than 0.004W/M.K, and the vacuum insulation plate can be reused in refrigerators, freezers and water heaters as a baffle material, so that the environment can be protected, and pollution can be eliminated.
Description
Technical field
The present invention relates to a kind of hard polyurethane foam and utilize method again.
Background technique
Present existing technology, hard polyurethane foam is at household appliances, like extensive use in the refrigerator.Especially keeping in repair or scrapping in the process of disassembling, can produce a large amount of hard polyurethane foams, can't handle under the present circumstances, burying then can polluted soil and underground water.
Summary of the invention
The objective of the invention is: provide a kind of hard polyurethane foam to utilize the method for producing vacuum insulation panel again, it can utilize hard polyurethane foam again, turns waste into wealth.
The present invention is achieved in that a kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, silica and the polyurethane adhesive pulverized are fully mixed; Its formulation weight portion rate:
Waste polyurethane hard bubble foam 5～90 silica 1s of pulverizing 0～90
Polyurethane adhesive 1-10 glass fibre 5～90
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) vacuumize 1-100Pa;
(7) encapsulation.
Described a kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and its special way is: the particle diameter 1-40mm of the waste polyurethane hard bubble foam that step (1) is pulverized.
A kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, the silica polyurethane adhesive pulverized are fully mixed; Its formulation weight portion rate:
The waste polyurethane hard bubble foam of pulverizing 10～90
Silica 20～80
Polyurethane adhesive 1-10;
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and adding of mould base like barium lithium composite getter;
(5) the aluminium foil poly-bag is sealed;
(6) vacuumize 1-100Pa;
(7) encapsulation.
A kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, glass fibre and the polyurethane adhesive pulverized are mixed; Its formulation weight portion rate:
The waste polyurethane hard bubble foam of pulverizing 10～90
Polyurethane adhesive 1-10
Glass fibre 5～90;
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) be evacuated to 1-100Pa;
(7) encapsulation.
A kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and its special way is: it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, silica and the polyurethane glue pulverized are fully mixed; Its formulation weight portion rate:
The waste polyurethane hard bubble foam of pulverizing 5～90
Polyurethane adhesive 1-5;
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) be evacuated to 1-100Pa;
(7) encapsulation.
A kind of hard polyurethane foam of the present invention utilizes the method for producing vacuum insulation panel again; The vacuum insulation panel thermal conductivity that adopts such method to produce is lower than 0.004W/M.K; Can be applied to refrigerator, refrigerator-freezer and water heater once more as separator material, protect environment, pollution abatement.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Embodiment 1
A kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized; Use shredder, particle diameter 1mm;
(2) waste polyurethane hard bubble foam, silica and the polyurethane adhesive pulverized are fully mixed; Its formulation weight portion rate:
Waste polyurethane hard bubble foam 5 silica of pulverizing 90
Polyurethane adhesive 10 glass fibres 5;
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) be evacuated to 1-100Pa;
(7) encapsulation.
In the said step (2), its formulation weight portion rate:
Waste polyurethane hard bubble foam 90 silica 1s of pulverizing 0
Polyurethane adhesive 5 glass fibres 5;
The particle diameter particle diameter 40mm of hard polyurethane foam.
Also can be its formulation weight portion rate in the said step (2):
Waste polyurethane hard bubble foam 50 silica of pulverizing 40
Polyurethane adhesive 1 glass fibre 50
The particle diameter particle diameter 20mm of hard polyurethane foam.
The particle diameter of silica: 300-3000 order.
The length 0.01-10mm of glass fibre.
Embodiment 2
A kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, silica and the polyurethane adhesive pulverized are fully mixed; Its formulation weight portion rate:
Waste polyurethane hard bubble foam 90 silica of pulverizing 80
The mixture that polyurethane adhesive 6 (3) is processed step (2) applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and adding of mould base like barium lithium composite getter
(5) the aluminium foil poly-bag is sealed;
(6) vacuumize 1-100Pa;
(7) encapsulation.
Also can be its ratio of weight and number in the said step (2):
Waste polyurethane hard bubble foam 10 silica of pulverizing 20
Polyurethane adhesive 1
Can also be its ratio of weight and number in the said step (2):
Waste polyurethane hard bubble foam 50 silica of pulverizing 50
Polyurethane adhesive 10.
Embodiment 3
A kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, glass fibre and the polyurethane adhesive pulverized are mixed; Its formulation weight portion rate:
Waste polyurethane hard bubble foam 90 polyurethane adhesives 5 glass of pulverizing
Glass fiber 90
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) vacuumize 1-100Pa;
(7) encapsulation.
Also can be in the said step (2), its ratio of weight and number:
Waste polyurethane hard bubble foam 10 polyurethane adhesives of pulverizing
10 glass fibres 5.
Can also be in the said step (2), its ratio of weight and number:
Waste polyurethane hard bubble foam 50 polyurethane adhesives of pulverizing 8
Glass fibre 40.
Embodiment 4
A kind of hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, silica and the polyurethane glue pulverized are fully mixed; Its formulation weight portion rate:
Waste polyurethane hard bubble foam 5 polyurethane adhesives of pulverizing 1
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) be evacuated to 1-100Pa;
(7) encapsulation.
Also can be in the said step (2), its ratio of weight and number:
Waste polyurethane hard bubble foam 90 polyurethane adhesives of pulverizing 5.
Can also be in the said step (2), its ratio of weight and number:
The waste polyurethane hard bubble foam pulverized 40 polyurethane adhesives 2 are above-described only to be preferential mode of execution of the present invention.Should be pointed out that for the person of ordinary skill of the art under the situation that does not break away from the principle of the invention, can also make some improvement and modification, this also is regarded as protection scope of the present invention.
Claims (5)
1. a hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it is characterized in that: it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, silica and the polyurethane adhesive pulverized are fully mixed; Its formulation weight portion rate:
Waste polyurethane hard bubble foam 5～90 silica 1s of pulverizing 0～90
Polyurethane adhesive 1-10 glass fibre 5～90;
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) vacuumize 1-100Pa;
(7) encapsulation.
2. a kind of hard polyurethane foam according to claim 1 utilizes the method for producing vacuum insulation panel again, it is characterized in that: the particle diameter 1-40mm of the waste polyurethane hard bubble foam that step (1) is pulverized.
3. a hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it is characterized in that: it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, the silica polyurethane adhesive pulverized are fully mixed; Its formulation weight portion rate:
The waste polyurethane hard bubble foam of pulverizing 10～90
Silica 20～80
Polyurethane adhesive 1-10;
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and adding of mould base like barium lithium composite getter;
(5) the aluminium foil poly-bag is sealed;
(6) vacuumize 1-100Pa;
(7) encapsulation.
4. a hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it is characterized in that: it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, glass fibre and the polyurethane adhesive pulverized are mixed; Its formulation weight portion rate:
The waste polyurethane hard bubble foam of pulverizing 10～90
Polyurethane adhesive 1-10
Glass fibre 5～90;
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) vacuumize 1-100Pa;
(7) encapsulation.
5. a hard polyurethane foam utilizes the method for producing vacuum insulation panel again, and it is characterized in that: it may further comprise the steps:
(1) the waste polyurethane hard bubble foam is pulverized;
(2) waste polyurethane hard bubble foam, silica and the polyurethane glue pulverized are fully mixed; Its formulation weight portion rate:
The waste polyurethane hard bubble foam of pulverizing 5～90
Polyurethane adhesive 1-5;
(3) mixture of step (2) being processed applies and the parcel fleece, and extrusion modling becomes the mould base;
(4) with pack into aluminium foil poly-bag and add barium lithium composite getter of mould base;
(5) the aluminium foil poly-bag is sealed;
(6) be evacuated to 1-100Pa;
(7) encapsulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236557.6A CN102748560B (en) | 2012-07-09 | 2012-07-09 | Method for production of vacuum insulation plate via reutilization of rigid polyurethane foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236557.6A CN102748560B (en) | 2012-07-09 | 2012-07-09 | Method for production of vacuum insulation plate via reutilization of rigid polyurethane foam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102748560A true CN102748560A (en) | 2012-10-24 |
| CN102748560B CN102748560B (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201210236557.6A Active CN102748560B (en) | 2012-07-09 | 2012-07-09 | Method for production of vacuum insulation plate via reutilization of rigid polyurethane foam |
Country Status (1)
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| CN (1) | CN102748560B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693938A (en) * | 2013-12-23 | 2014-04-02 | 中国建筑材料科学研究总院 | Nano silicon oxide heat-insulating material with radiation shield layer and preparation method thereof |
| CN105331086A (en) * | 2015-11-09 | 2016-02-17 | 重庆市宏立摩托车制造有限公司 | Waste polyurethane foam recycling method |
| EP2974860A4 (en) * | 2013-03-12 | 2016-02-24 | Lg Hausys Ltd | Envelope for vacuum heat insulator including glass fiber and vacuum heat insulator including same |
| CN107627524A (en) * | 2017-08-14 | 2018-01-26 | 江阴市安和祥保温材料有限公司 | PU is incubated the production technology of closely knit plate |
| CN111941632A (en) * | 2020-08-25 | 2020-11-17 | 重庆君秀科技有限公司 | Energy-saving self-heat-insulation prefabricated wall body for building |
| CN112281691A (en) * | 2020-10-23 | 2021-01-29 | 陈�峰 | Highway sound insulation advertisement wallboard |
| CN112282495A (en) * | 2020-10-23 | 2021-01-29 | 陈�峰 | Noise-reduction protection partition wall prefabricated wallboard |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2974860A4 (en) * | 2013-03-12 | 2016-02-24 | Lg Hausys Ltd | Envelope for vacuum heat insulator including glass fiber and vacuum heat insulator including same |
| JP2016516163A (en) * | 2013-03-12 | 2016-06-02 | エルジー・ハウシス・リミテッドＬｇ Ｈａｕｓｙｓ，Ｌｔｄ． | Jacket material for vacuum heat insulating material including glass fiber and vacuum heat insulating material including the same |
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| CN103693938A (en) * | 2013-12-23 | 2014-04-02 | 中国建筑材料科学研究总院 | Nano silicon oxide heat-insulating material with radiation shield layer and preparation method thereof |
| CN103693938B (en) * | 2013-12-23 | 2016-03-23 | 中国建筑材料科学研究总院 | With the nano silicon oxide lagging material and preparation method thereof of radiation shield |
| CN105331086A (en) * | 2015-11-09 | 2016-02-17 | 重庆市宏立摩托车制造有限公司 | Waste polyurethane foam recycling method |
| CN105331086B (en) * | 2015-11-09 | 2017-12-12 | 重庆市宏立摩托车制造有限公司 | The recycling process method of waste polyurethane foam |
| CN107627524A (en) * | 2017-08-14 | 2018-01-26 | 江阴市安和祥保温材料有限公司 | PU is incubated the production technology of closely knit plate |
| CN111941632A (en) * | 2020-08-25 | 2020-11-17 | 重庆君秀科技有限公司 | Energy-saving self-heat-insulation prefabricated wall body for building |
| CN112281691A (en) * | 2020-10-23 | 2021-01-29 | 陈�峰 | Highway sound insulation advertisement wallboard |
| CN112282495A (en) * | 2020-10-23 | 2021-01-29 | 陈�峰 | Noise-reduction protection partition wall prefabricated wallboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102748560B (en) | 2015-01-07 |
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Effective date of registration: 20190701 Address after: 528434 Shang Nan Industrial Park, Fusha Town, Zhongshan, Guangdong (Upper South Village Road side) Patentee after: Zhongshan city hakushi Chemical Technology Co. Ltd. Address before: 528427 Guangdong Zhongshan Nantou town Shenghui South Industrial Zone laurel road Boshi Polyurethane Co., Ltd. Co-patentee before: Feng Yuncheng Patentee before: Guan Zhiqiang Co-patentee before: Mai Jingheng Co-patentee before: Liang Qiuming |
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