CN107323052A - A kind of thermoplasticity warming plate and its manufacture method and production system - Google Patents
A kind of thermoplasticity warming plate and its manufacture method and production system Download PDFInfo
- Publication number
- CN107323052A CN107323052A CN201710495155.0A CN201710495155A CN107323052A CN 107323052 A CN107323052 A CN 107323052A CN 201710495155 A CN201710495155 A CN 201710495155A CN 107323052 A CN107323052 A CN 107323052A
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- Prior art keywords
- thermoplasticity
- extrusion
- warming plate
- sandwich
- layers
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0257—Polyolefin particles, e.g. polyethylene or polypropylene homopolymers or ethylene-propylene copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0292—Polyurethane particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/025—Polyolefin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0264—Polyester
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of thermoplasticity warming plate and its manufacture method and production system, thermoplasticity warming plate includes two symmetrical co-extrusion panels and sandwich of layers, and manufacture method comprises the following steps：(1) by thermoplastic particle or modified plastic particles and hot melt adhesive tablet co-extrusion one piece of co-extrusion panel of formation；(2) another piece of co-extrusion panel is manufactured；(3) continuous hot-press is first carried out after sandwich of layers is placed between two pieces of co-extrusion panels, sizing cooling is then carried out again, so as to form warming plate；(4) warming plate is cut, production system includes co-extrusion panel manufacturing equipment and the feeding delivery platform, steel tape press and the blanking delivery platform that are connected successively.High-strength light of the present invention, combined strength bination is high, and environmental protection is recyclable, high insulating effect, reduces labor intensity, has saved cost, can be used for manufacture electric automobile railway carriage or compartment plate, refrigerating carriage plate and dried food and nuts railway carriage or compartment plate.
Description
Technical field
The present invention relates to the insulation railway carriage or compartment plate in the fields such as electric automobile, refrigerator car, dried food and nuts car, and in particular to a kind of thermoplasticity is protected
Warm plate and its manufacture method and production system.
Background technology
At present, electric automobile, refrigerator car, dry cargo carriage plate typically using glass reinforced plastic panel, metal decking and PU foams,
XPS foams etc. are composited by coating solvent type resin glue, structure glue, then by static pressure, and plate manufacture in railway carriage or compartment exists following not enough：
1st, environmental protection aspect, fiberglass production process has solvent volatilization using resin glue, structure glue, pollutes environment, and storage
There is potential safety hazard；
2nd, in terms of production, automated production degree is relatively low, and low production efficiency, operating environment is poor；
3rd, artificial aspect, current railway carriage or compartment plate manufacture is based on artificial, and labor intensity is big, security is relatively low
4th, in terms of energy-conservation, there are many metal embedded parts, grammes per square metre significant increase operation difficulty and increase vehicle in current railway carriage or compartment plate
Weight, so as to reduce load-carrying quality and increase energy consumption；
5th, in terms of cost, efficiency is low, labor hour is high, operating condition is poor etc. natural can cause integrated cost higher.Although
In the market has the appearance of novel plastic honeycomb compartment board but cost is higher and heat insulation effect is poor.
6th, the easy bulge of plate surface, poor, the increase maintenance cost of outward appearance etc. after traditional railway carriage or compartment plate is compound；
7th, railway carriage or compartment plate can not recycle, be difficult to handle, contaminate society environment.
With the development trend of energy-saving and environment friendly policy guidance, and industry market demand, pollution-free, lightweight is developed high
By force, safe, low manufacture cost compartment sheet material is the key subjects that current industry faces.
The content of the invention
The present invention is in order to solve the above problems, so as to provide, a kind of high-strength light, combined strength bination be high, environmental protection can be returned
The low thermoplasticity warming plate of receipts, high insulating effect, labor intensity and its manufacture method and production system.
To reach above-mentioned purpose, technical scheme is as follows：
A kind of thermoplasticity warming plate, the thermoplasticity warming plate includes two symmetrical co-extrusion panels and sandwich of layers, two
Individual co-extrusion panel is symmetricly set in the upper and lower side of sandwich of layers.
In a preferred embodiment of the invention, the co-extrusion panel is by thermoplastic particle or fine modified plastics
Grain is co-extruded with hot melt adhesive tablet.
In a preferred embodiment of the invention, the hot melt adhesive tablet is by thermoplasticity EVA or thermoplasticity PP or thermoplasticity
PU or thermoplasticity POE are made.
In a preferred embodiment of the invention, the sandwich of layers is made up of PP plastics or PET.
In a preferred embodiment of the invention, the thickness of the co-extrusion panel is 0.5mm-5mm, the sandwich of layers
Thickness is 8mm-120mm.
A kind of manufacture method of thermoplasticity warming plate, it is characterised in that the manufacture method comprises the following steps：
(1) by thermoplastic particle or modified plastic particles and hot melt adhesive tablet co-extrusion one piece of co-extrusion panel of formation；
(2) repeat the above steps, manufacture another piece of co-extrusion panel；
(3) sandwich of layers is made up of thermoplasticity PP plastics or PET foaming；
(4) continuous hot-press is first carried out after sandwich of layers is placed between two pieces of co-extrusion panels, sizing cooling is then carried out again,
So as to form warming plate；
(5) warming plate is cut.
In a preferred embodiment of the invention, hot pressing temperature is 80 DEG C -200 DEG C.
A kind of production system of thermoplasticity warming plate, it is characterised in that the production system includes the manufacture of co-extrusion panel and set
Feeding delivery platform, steel tape press and blanking delivery platform standby and be connected successively.
In a preferred embodiment of the invention, the first screw rod of co-extrusion panel manufacturing equipment heating conveyor,
Second screw rod heating conveyor and co-extrusion cavity, the first screw rod heating conveyor are provided with plastic feed, described
Second screw rod heating conveyor be provided with PUR charging aperture, described co-extrusion cavity one end respectively with the first screw rod heated transportation
Device and the connection of the second screw rod heating conveyor, the other end are provided with co-extrusion panel discharging opening.
In a preferred embodiment of the invention, the blanking delivery platform is provided with cutting mechanism, the continuous steel
Band press is provided with heater and cooling device, and the heater is located at feeding delivery platform side, the cooling device
Positioned at blanking delivery platform side.
The beneficial effects of the invention are as follows：
High-strength light of the present invention, adhesion strength is high after being combined, and environmental protection is recyclable, high insulating effect, and reduction work is strong
Degree, has saved cost, can be used for manufacture electric automobile railway carriage or compartment plate, refrigerating carriage plate and dried food and nuts railway carriage or compartment plate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of thermoplasticity warming plate；
Fig. 2 is the structural representation of co-extrusion panel；
Fig. 3 is the structural representation for squeezing panel manufacturing equipment；
Fig. 4 is the cooperation schematic diagram of feeding delivery platform, steel tape press and blanking delivery platform.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
The thermoplasticity warming plate provided referring to Fig. 1 and Fig. 2, the present invention, it includes two symmetrical Hes of co-extrusion panel 100
Sandwich of layers 200, two co-extrusion panels 100 are symmetricly set in the upper and lower side of sandwich of layers 200.
Co-extrusion panel 100, its thickness is 0.5mm-5mm, its specifically by thermoplastic particle or modified plastic particles with
Hot melt adhesive tablet is co-extruded, and so only co-extrusion panel 100 need to be heated, and co-extrusion panel 100 will have adhesive property, from
And directly can be adhesively fixed with sandwich of layers 200, without setting other fit structures such as glued membrane, coating glue.
Thermoplastic particle or fibre modification plastic grain specifically can be by PP, PET, PA, PC etc. and its modified or fibers
Reinforced plastics particle is made.
Hot melt adhesive tablet specifically can be by being made up of thermoplasticity EVA or thermoplasticity PP or thermoplasticity PU or thermoplasticity POE.
Pass through the selection of above-mentioned material so that thermoplastic particle is easier after co-extrusion, and co-extrusion with hot melt adhesive tablet,
So that co-extrusion panel 100 has hierarchical structure, upper strata is plastic layer 110, and lower floor is the hot melt adhesive layer 120 with stickiness, this
Lower surface melts after sample need to only be heated to co-extrusion panel 100.
Sandwich of layers 200 is specifically made up of PP plastics or PET, is so easy to be combined and improve strong with co-extrusion panel 100
Degree, reduction weight.
Based on above-mentioned thermoplasticity warming plate, present invention also provides the manufacture method of thermoplasticity warming plate, the manufacture method
Comprise the following steps：
(1) by thermoplastic particle or fibre modification plastic grain and hot melt adhesive tablet co-extrusion one piece of co-extrusion panel of formation
100；
(2) repeat the above steps, manufacture another piece of co-extrusion panel 100；
(3) sandwich of layers 200 is made up of thermoplasticity PP plastics or PET foaming；
(4) continuous hot-press is first carried out after sandwich of layers 200 is placed between two pieces of co-extrusion panels 100, is then determined again
Type is cooled down, so as to form warming plate；
(5) warming plate is cut.
Wherein, hot pressing temperature is 80 DEG C -200 DEG C.
Referring to Fig. 3 and Fig. 4, present invention also provides the production system for the thermoplasticity warming plate implemented based on above-mentioned manufacture method
System, the production system includes co-extrusion panel manufacturing equipment 300 and the feeding delivery platform 400, the steel tape that are connected successively
Compound press 500 and blanking delivery platform 600.
Co-extrusion panel manufacturing equipment 300, it is to be used to manufacture co-extrusion panel 100, and it includes the first screw rod heated transportation dress
Put the 310, second screw rod heating conveyor 320 and co-extrusion cavity 330.
Plastic feed 311, thermoplastic particle or fibre modification are provided with the first screw rod solution heat transfer apparatus 310
Plastic grain can be entered in the first screw rod heating conveyor 310 by plastic feed 311, the first screw rod heated transportation dress
Putting 310 can be transported to thermoplastic particle or fibre modification plastic grain in co-extrusion cavity 330, and to co-extrusion cavity 330
Interior thermoplastic particle or fibre modification plastic grain carry out extrusion molding.
PUR charging aperture 321 is provided with the second screw rod heating conveyor 320, hot melt adhesive tablet can be entered by PUR
Material mouth 321 is entered in the second screw rod heating conveyor 320, and the second screw rod heating conveyor 320 can be defeated by hot melt adhesive tablet
It is sent in co-extrusion cavity 330, and causes hot melt adhesive tablet to be located at the top of thermoplastic particle or fibre modification plastic grain, the
Two screw rod heating conveyors 320 and the first screw rod heating conveyor 310 can together with to the hot melt adhesive tablet in co-extrusion cavity 330
Extruded jointly with thermoplastic particle or fibre modification plastic grain, so as to form co-extrusion panel 100.
The one end of co-extrusion cavity 330 respectively with the first screw rod heating conveyor 310 and the second screw rod heating conveyor 320
Connection, the other end is provided with co-extrusion panel discharging opening 331, and the co-extrusion panel 100 of generation can be squeezed by co-extrusion panel discharging opening 331
Go out.
The co-extrusion panel discharging opening 331 of co-extrusion cavity 330 can be connected with feeding delivery platform 400, the co-extrusion so generated
Panel 100 can be delivered directly on feeding delivery platform 400.
Feeding delivery platform 400, it is specially a delivery platform, and can be provided with manipulator in the above, passes through machinery
Two co-extrusion panels 100 can be symmetricly set in the upper and lower side of sandwich panel 200 by hand, and the panel after stacking is transported to
Steel tape press 500.
Steel tape press 500 is combined for the panel after to stacking, on steel belt pressing machine 500 provided with driving plus
Panel after stacking can be transported to steel band 520 by the conveying mechanism that hot-rolling 510 and steel band 520 coordinate, feeding delivery platform 400
On, and with steel band 520 together displacement.
Heater 530 and cooling device 540 are provided with steel belt pressing machine 500, it is flat that heater 530 is located at feeding conveying
The side of platform 400, cooling device 540 is located at the side of blanking delivery platform 600, and the panel after so stacking can first pass through heater
530 carry out hot pressing, then again through apparatus for supercooling 540 through row cooling and shaping, so as to form thermoplasticity warming plate.
Blanking delivery platform 600, it is to transmit the warming plate after shaping for receiving, and is provided with cutting mechanism in the above
610, the insulation board size that cutting mechanism 610 can be as needed carries out automatic precision to warming plate and definitely cut.
By the implementation of above-mentioned production system, the automatic production of thermoplasticity warming plate can be achieved, greatly improves and has seen work
Efficiency.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of thermoplasticity warming plate, it is characterised in that the thermoplasticity warming plate include two symmetrical co-extrusion panels and
Sandwich of layers, two co-extrusion panels are symmetricly set in the upper and lower side of sandwich of layers.
2. a kind of thermoplasticity warming plate according to claim 1, it is characterised in that the co-extrusion panel is by thermoplastic
Particle or modified plastic particles are co-extruded with hot melt adhesive tablet.
3. a kind of thermoplasticity warming plate according to claim 2, it is characterised in that the hot melt adhesive tablet is by thermoplasticity EVA
Or thermoplasticity PP or thermoplasticity PU or thermoplasticity POE are made.
4. a kind of thermoplasticity warming plate according to claim 1, it is characterised in that the sandwich of layers is by PP foams or PET
Foam is made.
5. a kind of thermoplasticity warming plate according to claim 1, it is characterised in that the thickness of the co-extrusion panel is
0.5mm-5mm, the thickness of the sandwich of layers is 8mm-120mm.
6. a kind of manufacture method of thermoplasticity warming plate, it is characterised in that the manufacture method comprises the following steps：
(1) by thermoplastic particle or modified plastic particles and hot melt adhesive tablet co-extrusion one piece of co-extrusion panel of formation；
(2) repeat the above steps, manufacture another piece of co-extrusion panel；
(3) sandwich of layers is made up of thermoplasticity PP plastics or PET foaming；
(4) continuous hot-press is first carried out after PP foams or PET foam sandwiches layer being placed between two pieces of co-extrusion panels, is then entered again
Row sizing cooling, so as to form warming plate；
(5) warming plate is cut.
7. a kind of thermoplasticity warming plate according to claim 6, it is characterised in that hot pressing temperature is 80 DEG C -200 DEG C.
8. a kind of production system of thermoplasticity warming plate, it is characterised in that the production system includes co-extrusion panel manufacturing equipment
Feeding delivery platform, the continuous compound press and blanking delivery platform being connected successively.
9. a kind of production system of thermoplasticity warming plate according to claim 8, it is characterised in that the co-extrusion panel system
The first screw rod of manufacturing apparatus heating conveyor, the second screw rod heating conveyor and co-extrusion cavity, the first screw rod heating are defeated
Device is sent to be provided with plastic feed, the second screw rod heating conveyor is provided with PUR charging aperture, the co-extrusion chamber
Body one end is connected with the first screw rod heating conveyor and the second screw rod heating conveyor respectively, and the other end is provided with co-extrusion panel
Discharging opening.
10. a kind of production system of thermoplasticity warming plate according to claim 8, it is characterised in that the blanking conveying
Platform is provided with cutting mechanism, and the continuously compound press is provided with heater and cooling device, and the heater is located at
Feeding delivery platform side, the cooling device is located at blanking delivery platform side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495155.0A CN107323052A (en) | 2017-06-26 | 2017-06-26 | A kind of thermoplasticity warming plate and its manufacture method and production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495155.0A CN107323052A (en) | 2017-06-26 | 2017-06-26 | A kind of thermoplasticity warming plate and its manufacture method and production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107323052A true CN107323052A (en) | 2017-11-07 |
Family
ID=60195758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710495155.0A Pending CN107323052A (en) | 2017-06-26 | 2017-06-26 | A kind of thermoplasticity warming plate and its manufacture method and production system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107323052A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268066A (en) * | 2018-09-11 | 2019-01-25 | 铁科创恒新材料科技有限公司 | A kind of method for prefabricating of the tunnel insulation lateral sulcus based on high molecule plastic plate |
| CN109719883A (en) * | 2019-03-22 | 2019-05-07 | 合肥昊艺金属制品有限公司 | A kind of water tank polyurethane thermal insulation board foam device |
| CN114953644A (en) * | 2022-04-29 | 2022-08-30 | 城资泰诺(山东)新材料科技有限公司 | Fiber-reinforced thermoplastic insulation board and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090236038A1 (en) * | 2008-03-18 | 2009-09-24 | Samsung Electro-Mechanics Co., Ltd | Method for manufacturing insulating sheet and method for manufacturing metal clad laminate and printed circuit board using the same |
| CN102003577A (en) * | 2010-09-15 | 2011-04-06 | 李家勇 | Method for producing spiral reinforcing rib composite pipe |
| CN104018665A (en) * | 2013-02-28 | 2014-09-03 | 合肥杰事杰新材料股份有限公司 | Building template material and preparing method of building template material |
-
2017
- 2017-06-26 CN CN201710495155.0A patent/CN107323052A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090236038A1 (en) * | 2008-03-18 | 2009-09-24 | Samsung Electro-Mechanics Co., Ltd | Method for manufacturing insulating sheet and method for manufacturing metal clad laminate and printed circuit board using the same |
| CN102003577A (en) * | 2010-09-15 | 2011-04-06 | 李家勇 | Method for producing spiral reinforcing rib composite pipe |
| CN104018665A (en) * | 2013-02-28 | 2014-09-03 | 合肥杰事杰新材料股份有限公司 | Building template material and preparing method of building template material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268066A (en) * | 2018-09-11 | 2019-01-25 | 铁科创恒新材料科技有限公司 | A kind of method for prefabricating of the tunnel insulation lateral sulcus based on high molecule plastic plate |
| CN109719883A (en) * | 2019-03-22 | 2019-05-07 | 合肥昊艺金属制品有限公司 | A kind of water tank polyurethane thermal insulation board foam device |
| CN114953644A (en) * | 2022-04-29 | 2022-08-30 | 城资泰诺(山东)新材料科技有限公司 | Fiber-reinforced thermoplastic insulation board and preparation method thereof |
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| PB01 | Publication | ||
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Application publication date: 20171107 |