CN1024770C - Improved method for producing prefabricated panels - Google Patents
Improved method for producing prefabricated panels Download PDFInfo
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- CN1024770C CN1024770C CN 91100548 CN91100548A CN1024770C CN 1024770 C CN1024770 C CN 1024770C CN 91100548 CN91100548 CN 91100548 CN 91100548 A CN91100548 A CN 91100548A CN 1024770 C CN1024770 C CN 1024770C
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Abstract
The present invention relates to an improved method for producing prefabricated framework panels. The inner layers of two fixed standard templates are respectively inserted and attached with one layer of V. P. C plastic coating, and then foaming core materials are filled between the two V. P. C plastic coatings so that the V. P. C plastic coatings and the foaming core materials are combined together to form a three-layer panel structure. One layer of paper fiber panel or glass fiber reinforced plastic panel can also be clamped between the V. P. C plastic coatings and the foaming core materials so that a five-layer panel structure is formed. Rice hulls or fruit stones, fruit hulls and stalks of a grass tree class are mixed in the foaming core materials so that the shaped panel has the effects of fire prevention, waterproofing performance, thermal insulation, sound insulation and heat preservation and has the advantages of light weight and wide purpose.
Description
The present invention relates to a kind of improvement manufacture method of prefabricated panels,, can be applicable to wallboard, desktop, furniture-plates, ceiling, door-plate etc. at interval with the panel that this method manufacturing is finished.And can replace composite board material or be used for insulation and freezing manufacturing industry (boundary), be enough to obtain good result of use.
At present natural timber day by day lacks, especially log obtain more difficult.Yet people desire the anti-nothing that increases for the demand of timber to be subtracted, therefore, replacing with the agricultural products discarded object that present composite plate sheet material implements with log (wood fibre) is that following certainty is real, can also reach fire prevention, waterproof, heat insulation, sound insulation, heat preservation effect simultaneously.
In today rural area, the stem stalk of its discarded rice husk and grass family (as: paddy and wheat, millet, corn) or shell (as: paddy and wheat, longan pericarp, lychee exocarp etc.) or fruit stone (as: longan grain, lichee grain, mango core, peach-pit etc.) are the maximum waste products of fine utilization in addition not in the present rural area.On present settling mode, often cause the environmental pollution problem, for example: produce too much carbon dioxide during burning, cause the public hazards of environmental pollution etc. when abandoning.Therefore, how effectively utilizing the waste products in the rural area and be processed into high economic worth product through special foaming, is the task of top priority now in fact.
At present, be applicable to do ceiling, floor, the material of wallboard, table, door-plate, furniture-plates is except with the log splint construction at interval, also also have with materials such as concrete substrate, glass fibre, expanded material, resin or other waterproof, heat insulation, sound-absorbings and implement, for example: preceding case No. 7110015, No. 7314315, No. 75205686, No. 77205204, No. 7126222, No. 7225653, No. 74103394 etc.
The raw material of the case waste products such as there is no the rice husk that utilizes the rural area and grass family bar stem of drawing materials before above-mentioned, but implement with the solidification mode that foam cement, concrete or resin add foaming grain (as: Poly Foam) or wood fibre, this not only consuming time also can't mass production.For example: a kind of on the market at present Poly Foam mixing wallboard that includes pumice bits and foaming grain (polystyrene), promptly because of the setting time of foam cement solid more than tens of hours, can't mass production, relative cost is higher.And with at present, this kind Poly Foam mixings wallboard is present top quality composite board, but the time in its manufacturing tediously long be a very big scarce fraud.In addition have on the market a kind of with the mixed with resin wood fibre through the heating pressurization and the wallboard of coagulation forming, this kind wallboard also is very good sheet material, but its adopts hardening of resin, setting time is usually more than tens of hours, so can't mass production.
The objective of the invention is to overcome above-mentioned shortcoming, a kind of method of utilizing rice husk and grass tree class bar stem the like waste matter to make prefabricated panels is provided.
The present invention is within two standard forms of fixing, arrange one deck V.P.C[steam infiltration solidification (vapor permeation cure)] plastic cement skin [ocean plastic cement company goods, promptly at the PVC(polyvinyl chloride) or PU(polyurethane) its thickness of plastic cement surface-coated plural layers has 5～8 μ approximately, with the good physicochemical properties of tool] and be close to standard form, between two V.P.C plastic cement skins, irritate then and fill in and issue the bubble core and make the three-layer type panel.
Can between V.P.C plastic cement skin and foamed core material, press from both sides again in addition and establish one deck paper fiber or glass fiber reinforced plastic plate, and be made for five laminar panel constructions.
Perhaps foamed core material can be made after the prefabricated standard form, cut into thin slice again, be coated with solid then and paste, form two laminar panels with V.P.C plastic cement skin.
The method for making of foamed core material can be by PU/A[polyacid (Polyol)] agent and PU/B[isocyanates (Isocyanate)] agent respectively mixed calcium carbonate (or talcum powder), rice husk (or fruit stone, shell, grass family bar stem bits) via after stirring, PU/A that will mix and PU/B agent mix simultaneously again, and irritate and to insert in the above-mentioned prefabricated standard form and foaming, and then closely stick together in the jail with V.P.C plastic cement skin or paper fiber skin (or glass fiber reinforced plastic plate).
In addition, foamed core material also can by cement, edible seaweed powder, calcium chloride, aluminium powder, rice husk, water and solid evenly mixes after, filling is inserted in the above-mentioned prefabricated standard form, closely sticks together in the jail with V.P.C plastic cement skin or paper fiber (or glass fiber reinforced plastic plate) behind foaming.
In an embodiment of the improvement manufacture method of the prefabricated panels that the present invention proposes, comprise the following steps:
(1) located with the steel folder with two standard forms dull and stereotyped or that be carved with space pattern a kind of, the top also covers fixing with a plane template;
(2) putting two within standard form has the V.P.C plastic cement skin of identical space pattern with standard form, and this V.P.C plastic cement skin is that the surface has PVC or the PU plastic cement skin that the coated with multiple layer film thickness is about 5～8 μ;
(3) irritate at two V.P.C plastic cement intracutaneous up and down and fill in and issue the bubble core, foamed core material is by PU/A agent and PU/B agent respectively after mixed calcium carbonate and rice husk or the grass family cane chip, again by the PU/A of two mixing and PU/B agent mixing and foaming mutually again; Making 33cm * when 30cm thickness is the panel of 3.3cm, need each 500 gram of PU/A agent and PU/B agent, calcium carbonate 500～700 grams, rice husk 300～500 restrain;
(4) striking off the foaming core body of being emerged by plane template top nib with scraping machine, is the plane with its scraping;
(5) demoulding promptly manufactures upper, middle and lower-ranking formula prefabricated panels.
In another embodiment of the improvement manufacture method of the prefabricated panels that the present invention proposes, comprise the following steps:
(1) located with the steel folder with two standard forms dull and stereotyped or that be carved with space pattern a kind of, the top also covers fixing with a plane template;
(2) putting two within standard form has the V.P.C plastic cement skin of identical space pattern with standard form, and this V.P.C plastic cement skin is that the surface has PVC or the PU plastic cement skin that the coated with multiple layer film thickness is about 5～8 μ;
(3) completely fill in and issue the bubble core at two V.P.C plastic cement intracutaneous up and down, foamed core material is to be mixed and foaming by cement, aluminium powder, calcium chloride, rice husk, edible seaweed powder, water; It is making 33cm * when 30cm thickness is the panel of 3.3cm, need cement 600～800 grams, calcium chloride 60～100 grams, rice husk 370～400 grams, edible seaweed powder 20～30 grams, water 500～700 grams, aluminium powder 30～50 grams;
(4) striking off the foaming core body that the nib on the plane template is emerged with scraping machine, is the plane with its scraping;
(5) demoulding promptly manufactures upper, middle and lower-ranking formula prefabricated panels.
Be described in detail as follows below in conjunction with embodiment shown in the drawings, wherein:
Fig. 1 is a manufacturing flow chart of the present invention.
Fig. 2 is foamed core material of the present invention (semi-finished product) manufacturing flow chart.
Fig. 3 is the three-layer type panel three-dimensional structure diagram that the present invention produces.
Fig. 4 is the five laminar panel three-dimensional structure diagrams that the present invention produces.
Fig. 5 is the two laminar panel three-dimensional structure diagrams that the present invention produces.
Fig. 6 is the schematic perspective view of tool wire netting in the three-layer type panel that produces of the present invention.
Fig. 7 is the schematic perspective view of tool wire netting in the five laminar panels that produce of the present invention.
Fig. 8 is the shop drawings (partly finishing product) of the three-layer type prefabricated panels made of the present invention.
Fig. 9 is the three-dimensional exploded view of the three-layer type prefabricated panels matching standard template made of the present invention.
Figure 10 is the shop drawings (partly finishing product) of the five laminar prefabricated panels made of the present invention.
Figure 11 is the three-dimensional exploded view of the matching standard template of the five laminar prefabricated panels made of the present invention.
Figure 12 is the shop drawings (partly finishing product) that the present invention makes two layers of prefabricated panels.
Figure 13 is the stereogram of foamed core material of the present invention.
Figure 14 is the three-dimensional cutaway view that is folded with the single face woven wire in the prefabricated panels of the present invention.
Figure 15 is the full sectional view that is folded with the plural layer woven wire in the prefabricated panels of the present invention.
Figure 16 is the chimeric schematic diagram of prefabricated panels of the present invention.
Figure 17 is the three-dimensional structure diagram that prefabricated panels of the present invention is implemented with the semicircle body.
Figure 18 is the three-dimensional structure diagram that prefabricated panels of the present invention is implemented with the pipe body.
Manufacturing process of the present invention as shown in Figure 1.Its manufacturing process can be divided into five kinds, and the panel that manufactures according to first kind of mode as shown in Figure 3.
The panel that manufactures according to the second way as shown in Figure 4.
The panel that the third mode of complying with manufactures as shown in Figure 5.
According to the 4th kind of panel that mode manufactures as shown in Figure 6.
According to the 5th kind of panel that mode manufactures as shown in Figure 7.
The manufacturing process of foamed core material among the present invention (semi-finished product) as shown in Figure 2.
Consult Fig. 8, first kind of fabrication schedule is to be located on the table top with steel folder (41) location and fixed mount with standard form (4) dull and stereotyped or that be carved with beautiful space pattern a kind of, then a V.P.C plastic cement skin (3) that has through the vacuum forming machined with the identical pattern of standard form (4) is closely fit together with standard form (4), and at the last plane template (42) of putting of standard form (4), [be ocean plastic cement company goods at two-layer V.P.C plastic cement skin (3) then, it is at PVC or PU surface-coated plural layer film, about 5～8 μ of thickness, and the good physicochemical properties of tool] between irritate and to fill in and issue bubble core (1).When the foaming expanding and shaping of foamed core material, be subjected to the limitation of standard form (4) and produce pressure, and then V.P.C plastic cement skin (3) and foamed core material (1) are combined securely, if decompose observation then as Fig. 9 as showing.When foamed core material (1) produces foaming, because of the limitation that is subjected to standard form (4) can produce panel up to specification, when only foamed core material foams, too much core can be emerged in the nib (421) by the plane template (4) of top, form unnecessary foamed core material part (1A), but, after striking off on the plane template, unnecessary foamed core material (1A) can be eliminated via the machine of scraping, after finish a three-layer type panel construction (as shown in Figure 3) after the demoulding.The film of above-mentioned again PVC or PU surface-coated is by A component [polyester, polyalcohol (polyester.polyol)] and B component [aromatic series and based on aliphatic isocyanates in order (aromatic﹠amp; Aliphatic.isocyanate)] hybrid reaction forms after triethylamine catalysis is built bridge.
Consult Figure 10, second kind of fabrication schedule is with one of them surface coating pasty state solid (3A) of V.P.C plastic cement skin (3) [but solid apparatus glass fiber strands section, talcum powder, unsaturated polyester resin three evenly mix], and then paste with one deck paper fiber (2) (or glass fiber reinforced plastic plate), after then fixing, be placed in again in a kind of two standard forms (4) with beautiful pattern.Standard form fixes with steel folder (41), and upper fixed one plane template (42).At last, fill in and issue bubble core (1) irritating between the two-layer paper fiber (2) up and down, expand and be subjected to the limitation of two standard forms (4) by means of the foaming of foamed core material, make paper fiber (2) and foamed core material (1) closely be together with each other, if the decomposition observation, then as shown in figure 11.The foamed core material part (1A) of the nib (421) on the plane template (42) being emerged by means of the plane scraping machine is cutd open and is removed at last, promptly finishes one five laminar panel structure (as shown in Figure 4) after the demoulding.
Consult Figure 12, the third embodiment is that two standard forms (4) are fixing with steel folder (41), irritate then and fill in and issue bubble core (1), after the foamed core material moulding, be divided into plural pieces again, last, be coated with the V.P.C plastic cement skin (3) that layer of surface has scribbled pasty state solid (3A) on the surface of each layer foamed core material, after slightly exerting pressure, and make V.P.C plastic cement skin and thin layer foamed core material strong bonded (as shown in Figure 5) together.The panel that this kind is thin can be used as ceiling and uses.
In aforementioned three kinds of manufactures, its foamed core material (1) can relend by standard form (4) and exert pressure toward the inboard after filling is filled out, and dwindles width (i.e. pressurization), and behind the coagulation forming, its hardness is more hard being squeezed after the foaming and make foamed core material (1).
Above-mentioned foamed core material can be made with two kinds of methods, as shown in Figure 2:
First kind of foamed core material prescription is:
With PU/A agent [be polyurethane, foaming A-polyalcohol (polyurethane foam A-polyol)] and PU/B agent [being polyurethane, foaming B-isocyanates (polyureth-ane foam B-isocyanate)] mixed calcium carbonate, rice husk and then with the mixing of two intermixtures and the mode of foaming respectively.Wherein PU/A and PU/B agent can be 40 liters by 1 liter of foaming then if each mixes [500+500=1000 restrains (about 1 liter of volume)] with 500 grams, and during as the panel of manufacturing 33cm * 33cm thickness 3.3cm, the weight ratio of its various materials is:
Weight (gram)
Project 123
PU/A 500 500 500
PU/B 500 500 500
CaCO 600 500 700
Rice husk 400 500 300
Gross weight 2,000 2,000 2,000
In above-mentioned, PU/A and PU/B agent are to restrain with rice husk 150～250 with 500 gram mixed calcium carbonates, 250～350 grams respectively, and mixed weight is 1,000 gram.Above-mentioned PU/A mixed with the intermixture of PU/B again and make weight become 2,000 grams.Above-mentioned again rice husk can replace with fruit stone, shell or grass family cane chip.
Second kind of foamed core material prescription is:
Be mixed and made into the mode of foamed core material with cement, calcium chloride, rice husk, edible seaweed powder, aluminium powder (fine powdered) [previous materials is all on sale on the market], when making the panel of 33cm * 33cm thickness 3.3cm, its mixed proportion is:
(unit: gram)
Project 123
Cement 800 700 600
Calcium chloride 100 80 60
Rice husk 370 380 400
Edible seaweed powder 30 25 20
Water 700 600 500
Aluminium powder 50 40 30
Gross weight 2,000 1,825 1,610
In above-mentioned, cement, calcium chloride, rice husk, edible seaweed powder, with after water mixes promptly become cement mortar, but after the filling aluminium powder, promptly produce foaming effect.
Above-mentioned first kind of mode of making foamed core material, its foamed time can foamed set moulding in 50～60 seconds; Second kind of then foamed set moulding in 30～50 minutes of mode of making foamed core material, so its speed of production is fast, the energy mass production; And dose material such as rice husk except that in light weight, can increase its volume, reduce cost and the good soundproof effect of tool etc.In Figure 13, can find further that foamed core material matter (11) contains scapus chip (13) of rice husk (12) and grass family etc. and doses thing.
In addition, in above-mentioned second kind of foaming mode, directly mix some fire-resistant fluids (converging into Science and Technology Co., Ltd.'s goods, production code member P0-C6 phosphoric acid salt or organo-tin compound) in PU/A agent and PU/B agent or cement, the panel construction that then manufactures has the fire prevention effect.
In the 4th kind of method of Fig. 1, have more robustness in order to make foamed core material, can before filling in and issuing the type of soaking, the filling of foamed core material desire in the middle of prefabricated standard form, put a wire (6) or plastic net as aggregate (as shown in figure 14).Wire netting can be with the single face setting, also can be with plural layer setting (as shown in figure 15), after adding all wire nettings, no matter prefabricated panel framework is all firmer at aspects such as bending strength and structural stress.Framework commonly used is with the works of shape wave metallic plate as the panel intermediate layer, and only the present invention implements two kinds of mode differences by wire netting with single face or plural layer.
See also Figure 16, the interlocking of prefabricated panels of the present invention adopts an interlocking mode of building mouth 14 and groove to finish, and is chimeric mutually in the interlocking mode as the groove (15) that the disclosed protrusion of going up panel (1) among the figure is built mouthful (14) and following panel (1).By the up and down chimeric mode of panel, can reach simple and easy installation and effect efficiently.In addition, the present invention can be with a chainsaw or hand saws cut into the money shape of various different size shape, satisfying sometimes can be required and saw section according to environment.
See also Figure 17, some need the body of cold-hot heat preservation for condenser pipe, steam pipe, heating tube etc., can be by the cooperation of semicircle body of the present invention (7), (7 '), and intermediate hollow pipe portion is as the accommodation section of insulation body, firmly combine with the interlocking of groove (72) by building mouthful (71) simultaneously, reach heat preservation effect.
See also Figure 18, unload the insulation body that connects for a kind of body up and down.Figure 17 mode is the mode of employing double team, and Figure 18 implements with the mode of serial connection, and only the mode of its joint also adopts the block mouth (81) and mutual chimeric the forming of the groove (82) of managing (8 ') down of pipe (8).
In aforementioned explanation of the present invention, rice husk in the foamed core material (12) also can replace with the farming waste products such as chip of smashing of some shells such as wheat husk, lychee exocarp, longan pericarp or fruit stone (as: longan grain, lichee grain, mango core, peach-pit etc.) and beans folder class and grass family (as: the stem stalk of rice wheat, corn, millet), only the easiest the obtaining of chip still to smash with rice husk and standing grain section class cane in the environment in present Taiwan is also the most cheap.
Distinguish mixed calcium carbonate, rice husk with PU/A agent and PU/B agent, and then mixed and the mode of foaming, can borrow calcium carbonate to improve burning-point and tool fire prevention effect, and rice husk then can be as dosing thing to reduce cost and to make more lightweight of core, and having sound insulation, an effect of heat insulation, PU/A agent and PU/B agent can become the material of foaming after mixing.
Evenly mix with solid and in the manufacture as foamed core material with cement, edible seaweed powder, calcium chloride, rice husk, aluminium powder, water, its calcium chloride itself can have makes cement early stiff and can improve the flameproof effect of burning-point, aluminium powder then is a blowing agent, and the weight of foam cement gently has the effect of fire prevention, heat insulation, waterproof concurrently, and rice husk is then as dosing thing to reduce cost and to make more also rich sound insulation of lightweight of core, heat insulation effect.
Above-mentioned two kinds of at short notice fast foaming moulding of foaming mode, and then tool sound insulation, heat insulation, insulation, fire prevention, waterproof effect. This shows that the present invention has following advantages:
1. in light weight, with low cost, can replace present composite board and improve output.
2. solve the environmental issue that rice husk and grass family discarded object cause in the rural area now when surplus.
3. can implement as insulation, refrigerating plant, such as: the insulation construction of the aspects such as condenser pipe, oil pipe, steam pipe, the body of heating.
4. the plane panel that completes with the present invention can be as enforcements such as partition plate, ceiling, door-plate, table, furniture panels.
5. have in light weight, but solid, firm and good characteristics of interlocking combination effect.
In sum, the present invention is that a kind of more now building board is more cheap at present, and material is obtained easily, make again the fast prefabricated panels of (especially more excellent, faster than all building boards aspect manufacturing benefit), it can replace present composite board, and can be applicable to many-sided use such as various wallboards, table, furniture panel, building materials composite, ceiling, be a kind of member of high economic worth.
Claims (5)
1, a kind of improvement manufacture method of prefabricated panels is characterized in that it comprises the following steps:
(1) located with the steel folder with two standard forms dull and stereotyped or that be carved with space pattern a kind of, the top covers fixing with a plane template;
(2) putting two within standard form has the V.P.C plastic cement skin of identical space pattern with standard form, and this V.P.C plastic cement skin is that surface-coated has plural layers thickness to be about PVC or the PU plastic cement skin of 5～8 μ;
(3) irritate at two V.P.C plastic cement intracutaneous up and down and fill in and issue the bubble core, foamed core material is by after PU/A agent (polyalcohol) and PU/B agent (isocyanates) difference mixed calcium carbonate and rice husk or the grass family cane chip, is mixed and foaming mutually with the PU/B agent by two PU/A that mix again again; Going and seeking refuge with 33cm * when 30cm thickness is the panel of 3.3cm, needing two doses of each 500 grams of PU/A and PU/B agent, calcium carbonate 500～700 grams, rice husk 300～500 restrain;
(4) striking off the foaming core body of being emerged by plane template top nib with scraping machine, is the plane with its scraping;
(5) upper, middle and lower-ranking formula prefabricated panels is is promptly gone and sought refuge with in the demoulding.
2, a kind of improvement manufacture method of prefabricated panels is characterized in that it comprises the following steps:
(1) located with the steel folder with two standard forms dull and stereotyped or that be carved with space pattern a kind of, the top covers fixing with a plane template;
(2) putting two within standard form has the V.P.C plastic cement skin of identical space pattern with standard form, and this V.P.C plastic cement skin is that surface-coated has plural layers thickness to be about PVC or the PU plastic cement skin of 5～8 μ;
(3) completely fill in and issue the bubble core at two V.P.C plastic cement intracutaneous up and down, foamed core material is to be mixed and foaming by cement, aluminium powder, calcium chloride, rice husk, edible seaweed powder, water; It is making 33cm * when 30cm thickness is the embedding of 3.3cm, need cement 600～800 grams, calcium chloride 60～100 grams, rice husk 370～400 grams, edible seaweed powder 20～30 grams, water 500～700 grams, aluminium powder 30～50 grams;
(4) striking off the foaming core body that the nib on the plane template is emerged with scraping machine, is the plane with its scraping;
(5) demoulding promptly manufactures upper, middle and lower-ranking formula prefabricated panels.
3, as the improvement manufacture method of claim 1 or 2 described prefabricated panels, it is characterized in that: between V.P.C plastic cement skin and foamed core material, can insert one deck paper fiber or glass fiber reinforced plastic plate in case of necessity, and the inner face of V.P.C plastic cement skin or PU plastic cement skin must be coated with the pasty state solid is housed, and then forms five laminar panel frameworks.
4, as the improvement manufacture method of claim 1 or 2 described prefabricated panels, it is characterized in that: foamed core material is not before filling is filled out, can be in the centre position of prefabricated standard form, if go into a single face or plural layer wire netting (or plastic net), and then after the foamed core material filling is filled out, make wire netting (or plastic net) be folded with foamed core material central authorities.
5, as the improvement manufacture method of claim 1 or 2 described prefabricated panels, it is characterized in that: rice husk in the foamed core material or grass family cane chip (as: paddy and wheat, millet, corn, cane) can replace it with fruit stone (as: peach-pit, longan grain, lichee grain, mango core etc.) or shell (as: longan pericarp, lychee exocarp, wheat husk etc.).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91100548 CN1024770C (en) | 1991-01-26 | 1991-01-26 | Improved method for producing prefabricated panels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91100548 CN1024770C (en) | 1991-01-26 | 1991-01-26 | Improved method for producing prefabricated panels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1063441A CN1063441A (en) | 1992-08-12 |
| CN1024770C true CN1024770C (en) | 1994-06-01 |
Family
ID=4904686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91100548 Expired - Fee Related CN1024770C (en) | 1991-01-26 | 1991-01-26 | Improved method for producing prefabricated panels |
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| Country | Link |
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| CN (1) | CN1024770C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3934668B1 (en) * | 2006-06-27 | 2007-06-20 | 日本環境製造株式会社 | Formwork panel |
| CN101748881B (en) * | 2009-12-17 | 2011-05-11 | 刘倚天 | Floor and preparation method thereof |
| CN102677820A (en) * | 2012-05-23 | 2012-09-19 | 沈阳瑞福工业住宅有限公司 | Filled heat-insulating load-bearing composite board for building |
| CN106891539A (en) * | 2017-03-08 | 2017-06-27 | 东莞福嵘鞋材有限公司 | A kind of PU decorative wall panels preparation technology |
| CN109206036A (en) * | 2018-07-31 | 2019-01-15 | 广西易筑装配式建材科技有限公司 | A kind of solid light partition plate additive |
| CN108863186A (en) * | 2018-07-31 | 2018-11-23 | 广西易筑装配式建材科技有限公司 | A kind of fire prevention solid light partition plate and its production technology |
| WO2024069620A2 (en) * | 2023-03-21 | 2024-04-04 | Green Tech Industry S.R.L. | Heat insulating panel for building |
-
1991
- 1991-01-26 CN CN 91100548 patent/CN1024770C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1063441A (en) | 1992-08-12 |
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