CN201891191U - Exterior thermal insulation wall for mechanical anchoring grid reinforcing rib polyurethane plate - Google Patents
Exterior thermal insulation wall for mechanical anchoring grid reinforcing rib polyurethane plate Download PDFInfo
- Publication number
- CN201891191U CN201891191U CN2010205452197U CN201020545219U CN201891191U CN 201891191 U CN201891191 U CN 201891191U CN 2010205452197 U CN2010205452197 U CN 2010205452197U CN 201020545219 U CN201020545219 U CN 201020545219U CN 201891191 U CN201891191 U CN 201891191U
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- China
- Prior art keywords
- reinforcing rib
- wall
- grid reinforcing
- polyurethane sheet
- bolt
- 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.)
- Expired - Fee Related
Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 50
- 239000004814 polyurethane Substances 0.000 title claims abstract description 50
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 46
- 238000009413 insulation Methods 0.000 title claims abstract description 18
- 238000004873 anchoring Methods 0.000 title claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims abstract description 21
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 239000010410 layer Substances 0.000 claims description 15
- 239000002344 surface layer Substances 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 4
- 238000009414 blockwork Methods 0.000 claims description 2
- 239000011449 brick Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 claims description 2
- 239000011464 hollow brick Substances 0.000 claims description 2
- 238000009940 knitting Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Landscapes
- Building Environments (AREA)
- Finishing Walls (AREA)
Abstract
The utility model relates to an exterior thermal insulation wall for a mechanical anchoring grid reinforcing rib polyurethane plate. The exterior thermal insulation wall is formed by sticking a thermal insulation grid reinforcing rib polyurethane plate on a wall before drying a leveling layer by utilizing the leveling layer as a joint layer on a basic layer wall so as to assist and stabilize the connection and ensure the leveling degree of the polyurethane plate, and then drilling holes on plate surface and directly fixing the grid reinforcing rib polyurethane plate on the basic layer wall by using plastic expansion anchor bolts so as to bear all the loads of an exterior thermal insulation system by the fixing anchor bolts and transfer the loads to the basic layer wall. The anchor bolts and the reinforcing rib polyurethane plate are organically combined and can assist and stabilize the loads on the leveling layer of the basic layer wall, so the exterior thermal insulation wall provided by the utility model is specially fit for thermal-insulation energy-saving modification project for building outer wall and can solve the technical problems that the bearing capability of the old basic layer of the exterior wall is inferior and the surface treatment is difficult to perform.
Description
Affiliated technical field
The utility model relates to a kind of external wall outer insulation body of wall of mechanical fastening system anchored grid reinforcing rib polyurethane sheet, is particularly useful for the reducing energy consumption engineering of existing building exterior wall.
Background technology
Existing polyurethane sheet external heat insulating wall is the combined wall that is combined by basic unit's body of wall and polyurethane sheet, and polyurethane sheet is to stick with glue agent to be fixed in the basic unit as insulation layer.This structure requires bonding adhesive to bear the whole loads of outer heat preservation system, simultaneously by the body of wall leveling layer again with Load Transfer to structure wall.But, owing to the warming plate that the out-of-flatness of body of wall basic unit or heat preservation plate material causes is empty sticking, may give whole external heat insulating wall, stay the hidden danger of quality and security and stability.In addition, the existing building exterior wall is carried out outer heat preservation energy-saving when transforming, the local facing deck of old basic unit is loose, hollowing, cracking and defective in various degree such as surface contaminants, barrier film, directly newly-increased stability and the safety in utilization of pasting external thermal insulation of influence.Therefore, be necessary to improve the fixing means of heat insulating polyurethane plate.
Summary of the invention
For adopting the bonding fixing means, the polyurethane sheet that overcomes existing external heat insulating wall may produce the deficiency of empty subsides and hollowing, the utility model provides a kind of external heat insulating wall with mechanical fastening system anchored grid reinforcing rib polyurethane sheet, this external heat insulating wall can not only solve the fixing void of bonding and paste the problem that is difficult for the inspection and maintenance difficulty, and can play certain stable, strengthening action to the original facing deck of the old basic unit of existing building.In addition, construction technology is simple, quick.
The technical scheme that its technical problem that solves the utility model adopts is: at basic unit's surface of wall, completely criticize polymer mortar as the levelling setting course of holding concurrently, to accompany the polyurethane sheet of two-way grid reinforcing rib in the top layer simultaneously, be bonded in immediately on basic unit's metope, guarantee the planeness of polyurethane sheet.As required, the material of grid reinforcing rib is bidirectional glass fiber net, metallic steel silk screen or chemical fiber web.In the boring plastic expansion crab-bolt of plate face the grid reinforcing rib polyurethane sheet directly is fixed on the base layer structure body of wall then.Protect surface layer anticracking grout and roller coating facing coating elastic coating thin the smearing of external surface of grid reinforcing rib polyurethane sheet at last.
The hold concurrently thickness of setting course polymer mortar of above-mentioned levelling is 3～9mm, satisfies the needs of levelling and bonding thickness.The spacing of the mechanical fastening system plastic expansion crab-bolt that above-mentioned vertical, horizontal is arranged in parallel is 200～450 * 200～450mm, optimal spacing is 250～400 * 250～400mm, every square metre 〉=8 of crab-bolt quantity, effective anchorage depth 〉=25mm of crab-bolt, best anchorage depth are 35～45mm; Crab-bolt diameter 〉=8mm, single crab-bolt tension standard value of bearing capacity 〉=0.6KN, the plastic disc small opening pressing plate diameter 〉=60mm of crab-bolt outer end is to guarantee the stability of warming plate.
The external heat insulating wall of above-mentioned mechanically-anchored grid reinforcing rib polyurethane sheet is characterized in that: completely criticize the polymer mortar levelling setting course of holding concurrently on basic unit's metope; Simultaneously the heat insulating polyurethane plate that accompanies two-way grid reinforcing rib in the top layer is bonded on basic unit's metope, forms the tight insulation layer, paving is that rectangular slab is transversely arranged, and perps is the fissure of displacement line by line; In the plastic expansion crab-bolt of plate face boring mounting end band plastic disc small opening pressing plate, the grid reinforcing rib polyurethane sheet directly is fixed on basic unit's body of wall then.
The beneficial effects of the utility model: adopt the fixing external heat insulating wall of bonding to compare with existing polyurethane sheet, the levelling setting course of holding concurrently can once be finished basic unit's levelling and the auxiliary stickup of warming plate, reduces working procedure and duration; Adopt mechanical fastening system anchored grid reinforcing rib polyurethane thermal insulation board, construction technology is simple, easy to operate, and construction quality is easy to control; The combination of this grid reinforcing rib polyurethane sheet and crab-bolt has improved tensile strength, rupture strength and the stability of insulation layer greatly.The utility model is particularly useful for the reducing energy consumption of existing building external wall outer insulation; can solve effectively because of the adhesion strength defect of insufficient that flake in the part of the old basic unit of body of wall, crackle or surface contamination barrier film etc. bring; can play a reinforcement, protective effect to original basic unit, improve its stability.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the longitudinal profile constructional drawing of Fig. 1.
Fig. 3 is the positive elevational schematic view of mechanically-anchored grid reinforcing rib polyurethane sheet.
Among the figure: 1. basic unit's body of wall, the 2. levelling setting course of holding concurrently, 3. grid reinforcing rib polyurethane sheet, 4. plastic expansion crab-bolt, 5. thin plaster protection surface layer, 6. finish coat.
The specific embodiment
In Fig. 1, external heat insulating wall of the present utility model is made up of hold concurrently setting course 2, grid reinforcing rib polyurethane sheet 3, plastic expansion crab-bolt 4, thin protection surface layer 5 and the finish coat 6 of plastering of basic unit's body of wall 1, levelling from inside to outside successively.Basic unit's body of wall 1 can be concrete wall, air-entrained concrete building block body of wall, solid brick body of wall, hollow brick wall or light cement sand blockwork.Grid reinforcing rib polyurethane sheet 3 is made up of the grid reinforcing rib in polyurethane sheet and its plate face top layer, and grid reinforcing rib is glass fiber mesh, metallic steel silk screen or chemical fiber web; The metallic steel silk screen is to be formed by connecting by vertical steel wire and transverse steel wire right-angled intersection electric welding, and glass fiber mesh or chemical fiber web are to be formed by the warp of glass fiber or chemical fibre and parallel right-angled intersection woollen yarn knitting; As required, grid reinforcing rib can be two-sided setting, single face setting.Plastic expansion crab-bolt 4 can be percussive crab-bolt, spiral crab-bolt, and plastic bushing and disk small opening pressing plate can be that polyamide, polyethylene, polypropylene material are made.The thin protection surface layer 5 of plastering is made up of Crack-resistance Front Mortar and alkali-resistant glass fibre grid cloth.Finish coat 6 is made up of investment precoat and overlay coating.
In Fig. 2, the levelling setting course 2 of holding concurrently is with leveling layer on basic unit's metope and setting course one-shot forming, and the thickness of completely criticizing of its polymer mortar is 3～9mm, during to 1 levelling of basic unit's body of wall, should synchronously grid reinforcing rib polyurethane sheet 3 be adhesive on the wall, and the top layer reinforcement of polyurethane sheet is faced outside the wall.Treat that levelling holds concurrently behind the adhesion strength 〉=0.06MPa of setting course, adopt plastic expansion crab-bolt 4 that grid reinforcing rib polyurethane sheet 3 is anchored on basic unit's body of wall 1 in the boring of plate face, effective anchorage depth of crab-bolt should 〉=25mm, best anchorage depth is 35～45mm; Crab-bolt diameter 〉=8mm, plastic disc small opening pressing plate diameter 〉=60mm, optimum diameter is 65～95mm.To approach the protection surface layer 5 of plastering then and smearing batch on grid reinforcing rib polyurethane sheet 3, and must plastic covering expansion anchor 4, with the protection insulation layer; The thin protection surface layer 5 of plastering adopts polymers anti-cracking mortar, and the centre accompanies the enhancing net, plays anticracking, waterproof and shock proof effect.Finish coat 6 brushings are adopted flexible putty, elastic surface layer coating and elastic covering coating materials construction in layer on the thin protection surface layer 5 of plastering.
In the embodiment shown in fig. 3, the laying method of grid reinforcing rib polyurethane sheet 3 is that rectangular slab is transversely arranged, and perps is the fissure of displacement line by line, fissure of displacement spacing 〉=200mm, and best fissure of displacement spacing is 300mm, 400mm modulus, to give full play to the anchorage effect of junction of the edges of two sheets of paper crab-bolt.The length of grid reinforcing rib polyurethane sheet is 800～2400mm, and optimum length is 900～1600mm, and width is 400～1600mm, and optimum width is 600～1200mm.Being arranged as in the plate of plastic expansion crab-bolt 4 adds nail with the plate seam and combines, and the anchoring spacing that vertical, horizontal is arranged in parallel is 200～450mm * 200～450mm, and best anchoring spacing is 250～400mm * 250～400mm.Crab-bolt quantity 〉=3 of every side plate side seam, spacing≤400mm, four corners of plate all should be provided with crab-bolt, and every square metre 〉=8 of crab-bolt quantity are to guarantee the stability of grid reinforcing rib polyurethane sheet insulation layer.
Claims (8)
1. the external heat insulating wall of a mechanically-anchored grid reinforcing rib polyurethane sheet, on basic unit's body of wall, levelling hold concurrently setting course, grid reinforcing rib polyurethane sheet, plastic expansion crab-bolt, thin protection surface layer, the finish coat of plastering are arranged from the inside to the outside successively, it is characterized in that: on basic unit's metope, completely criticize the polymer mortar levelling setting course of holding concurrently; Simultaneously the heat insulating polyurethane plate that accompanies two-way grid reinforcing rib in the top layer is bonded on basic unit's metope, forms the tight insulation layer, paving is that rectangular slab is transversely arranged, and perps is the fissure of displacement line by line; In the plastic expansion crab-bolt of plate face boring mounting end band plastic disc small opening pressing plate, the grid reinforcing rib polyurethane sheet directly is fixed on basic unit's body of wall then.
2. the external heat insulating wall of mechanically-anchored grid reinforcing rib polyurethane sheet according to claim 1, it is characterized in that: described grid reinforcing rib is to be formed by the warp of glass fiber or chemical fibre and parallel right-angled intersection woollen yarn knitting, and perhaps grid reinforcing rib is formed by connecting by vertical steel wire and transverse steel wire right-angled intersection electric welding.
3. the external heat insulating wall of mechanically-anchored grid reinforcing rib polyurethane sheet according to claim 1, it is characterized in that: the hold concurrently polymer mortar thickness of setting course of the levelling on the described basic unit metope is 3～9mm, goes up wall bonding insulation grid reinforcing rib polyurethane sheet simultaneously.
4. the external heat insulating wall of mechanically-anchored grid reinforcing rib polyurethane sheet according to claim 1 is characterized in that: the length of described grid reinforcing rib polyurethane sheet is 800～2400mm, and width is 400～1600mm.
5. the external heat insulating wall of mechanically-anchored grid reinforcing rib polyurethane sheet according to claim 1, it is characterized in that: the anchoring spacing that described plastic expansion crab-bolt vertical, horizontal is arranged in parallel is 200～450 * 200～450mm, crab-bolt quantity 〉=3 of every side plate side seam, spacing≤400mm; Crab-bolt diameter 〉=8mm, the diameter 〉=60mm of the plastic disc small opening pressing plate of end; Effective anchorage depth 〉=25mm of crab-bolt.
6. the external heat insulating wall of mechanically-anchored grid reinforcing rib polyurethane sheet according to claim 1 is characterized in that: described basic unit body of wall is concrete wall, air-entrained concrete building block body of wall, solid brick body of wall, hollow brick wall or light cement sand blockwork.
7. the external heat insulating wall of mechanically-anchored grid reinforcing rib polyurethane sheet according to claim 1 is characterized in that: the optimum length of described grid reinforcing rib polyurethane sheet is 900～1600mm, and optimum width is 600～1200mm.
8. the external heat insulating wall of mechanically-anchored grid reinforcing rib polyurethane sheet according to claim 1 is characterized in that: the best anchoring spacing that described plastic expansion crab-bolt vertical, horizontal is arranged in parallel is 250～400 * 250～400mm; The optimum diameter of the plastic disc small opening pressing plate of crab-bolt end is 65～95mm; The best effectively anchorage depth of crab-bolt is 35～45mm.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205452197U CN201891191U (en) | 2010-09-28 | 2010-09-28 | Exterior thermal insulation wall for mechanical anchoring grid reinforcing rib polyurethane plate |
| DE112011102636T DE112011102636T5 (en) | 2010-08-06 | 2011-07-29 | External insulation wall made of mechanically anchored insulation boards with grid rib reinforcement |
| US13/814,498 US8820016B2 (en) | 2010-08-06 | 2011-07-29 | External insulation wall having grid-reinforced insulation board mechanically anchored |
| PCT/CN2011/077779 WO2012016502A1 (en) | 2010-08-06 | 2011-07-29 | Externally insulated wall having machine anchored grid-enforced insulation board |
| GB1303899.7A GB2497230A (en) | 2010-08-06 | 2011-07-29 | Externally insulated wall having machine anchored grid-enforced insulation board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205452197U CN201891191U (en) | 2010-09-28 | 2010-09-28 | Exterior thermal insulation wall for mechanical anchoring grid reinforcing rib polyurethane plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201891191U true CN201891191U (en) | 2011-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205452197U Expired - Fee Related CN201891191U (en) | 2010-08-06 | 2010-09-28 | Exterior thermal insulation wall for mechanical anchoring grid reinforcing rib polyurethane plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201891191U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967861A (en) * | 2010-09-28 | 2011-02-09 | 上海一金节能科技有限公司 | Exterior heat insulation wall of mechanical anchored grid reinforcing rib polyurethane board and construction technology thereof |
| WO2012016502A1 (en) * | 2010-08-06 | 2012-02-09 | 上海一金节能科技有限公司 | Externally insulated wall having machine anchored grid-enforced insulation board |
| CN111491799A (en) * | 2017-11-28 | 2020-08-04 | 陶氏环球技术有限责任公司 | Polyurethane-based heat insulation board |
| US11486135B2 (en) | 2017-11-28 | 2022-11-01 | Dow Global Technologies Llc | Glass fiber-reinforced polyurethane/polyisocyanurate foam insulation board |
-
2010
- 2010-09-28 CN CN2010205452197U patent/CN201891191U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012016502A1 (en) * | 2010-08-06 | 2012-02-09 | 上海一金节能科技有限公司 | Externally insulated wall having machine anchored grid-enforced insulation board |
| GB2497230A (en) * | 2010-08-06 | 2013-06-05 | Shanghai One Gold Energy Saving Technology Co Ltd | Externally insulated wall having machine anchored grid-enforced insulation board |
| CN101967861A (en) * | 2010-09-28 | 2011-02-09 | 上海一金节能科技有限公司 | Exterior heat insulation wall of mechanical anchored grid reinforcing rib polyurethane board and construction technology thereof |
| CN111491799A (en) * | 2017-11-28 | 2020-08-04 | 陶氏环球技术有限责任公司 | Polyurethane-based heat insulation board |
| US11486135B2 (en) | 2017-11-28 | 2022-11-01 | Dow Global Technologies Llc | Glass fiber-reinforced polyurethane/polyisocyanurate foam insulation board |
| CN111491799B (en) * | 2017-11-28 | 2023-05-12 | 陶氏环球技术有限责任公司 | Polyurethane based insulation panels |
| US11745465B2 (en) | 2017-11-28 | 2023-09-05 | Dow Global Technologies Llc | Polyurethane-based insulation board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20160928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |