CN107521129A - One kind accelerates styrofoam aging method - Google Patents
One kind accelerates styrofoam aging method Download PDFInfo
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- CN107521129A CN107521129A CN201710910452.7A CN201710910452A CN107521129A CN 107521129 A CN107521129 A CN 107521129A CN 201710910452 A CN201710910452 A CN 201710910452A CN 107521129 A CN107521129 A CN 107521129A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses one kind to accelerate styrofoam aging method, is related to styrofoam preparing technical field, accelerates styrofoam aging method and comprises the following steps：Baking, sprinkling acetone, the auxiliary heat of infrared electricity, natural wind drying；Quickening styrofoam aging method of the present invention, accelerates styrofoam aging speed, an ageing process needs to complete for 35 days, greatly save time cost, substantial amounts of stacking place need not be taken in addition, save space resources, simultaneously, can solve the quick turn-around flow fund of many enterprises, mitigate the operating cost of enterprise, increase enterprise profit, and styrofoam stable material quality after ageing, waste heat will not deform to the cold, and performance is more stable.
Description
Technical field：
The present invention relates to styrofoam preparing technical field, more particularly to a kind of quickening styrofoam aging method.
Background technology：
Polyphenyl board thermal insulation board is used as the protective layer of waterproof layer insulation, can claim polystyrene foam plate, also known as cystosepiment or
EPS sheet.It is by the expandable polystyrene bead containing volatile fluid foaming agent, is heated into a mold after heated pre- hair
Type can be used for construction wall, roof heat insulation, the heat-insulation layer of composite insulating board with fine hole-closing structure.In general,
After being stacked 5 days under the conditions of stacking of most sheet materials in natural environment 40 days or 60 DEG C of steam curings, sheet material autogenous shrinkage becomes
Shape has been basically completed, can trust wall use, therefore for wall thermal insulating heat preservation plate material must have it is such a naturally old
In the cycle of change, avoid the contraction problem occurred on sheet material after wall.
Polyphenyl board thermal insulation board prepares completion and can not used at once, it is necessary to be aged.The aging period of polyphenyl board thermal insulation board, sheet material lead to
High temperature extrusion is crossed just to produce, in order to preferably adapt to use environment, it is necessary to be placed on a period of time in the environment of constant temperature and humidity,
Ensure sheet material stability.Waste heat will not deform to the cold, and performance is more stable.
No matter in fact, which class heat preservation plate material, most enterprises are difficult to reach this requirement in actual applications, when
, it is necessary to take substantial amounts of stacking place, many enterprises do not have big place for the warming plate natural curing of nearly 2 months.Meanwhile very
Multiple enterprises are not very sufficient in terms of circulating fund, and substantial amounts of sheet material is stacked to be needed to take a very big fund for nearly 2 months,
Make the operating cost of enterprise virtually increase, most enterprises are difficult to.
The content of the invention：
The technical problems to be solved by the invention are to provide a kind of quickening styrofoam aging method, the new output of accelerated ageing
Styrofoam, natural digestion time length in the past is saved, can both accelerate polyphenyl board assembly line, and quick backflow fund, be enterprise's band
To facilitate, profit.
The technical problems to be solved by the invention are realized using following technical scheme：
One kind accelerates styrofoam aging method：Comprise the following steps：Baking, sprinkling acetone, the auxiliary heat of infrared electricity, natural wind dry
It is dry.
1st, toast：
Preferably, its step is：The styrofoam that new production comes out is fixed, when arranging plate, dividing plate should be kept and styrofoam
Both ends flush, and upper lower clapboard keeps vertical, and to prevent styrofoam end moisture is too fast to scatter and disappear, contraction is uneven to cause end check, on
Lower clapboard keeps vertical, is to prevent whether styrofoam from bearing gravity balance, prevents warpage；And each piece of styrofoam is alternately arranged,
0.1-1cm is left between every piece of styrofoam of same level；The same aspect is kept to be as far as possible to the styrofoam of different-thickness, when arranging plate
Same thickness, avoid the styrofoam of different-thickness from causing relatively thin styrofoam to dry deformation in same aspect, while ensure heap
Stabilization during pile；It is dried after fixed plate using existing dry kiln by heating, drying method, hot oven drying method includes preheating,
Make that temperature is 40-50 DEG C and humidity is 0.03-0.05kg/m3Humid air cycle flow through styrofoam, time 100-
150min, damp and hot speed control is in 0.5-2m/s；In the reducing temperature and humidity stage, make that temperature is 30-40 DEG C and humidity is 0.02-
0.04kg/m33 humid air cycle flows through styrofoam, time 70-100min, heats up the wet down stage, it is 50- to make temperature
65 DEG C and humidity are 0.002-0.004kg/m3Humid air cycle flow through styrofoam, until styrofoam in water content be 5-
10%, wherein, steam is along styrofoam radial through the steam pressure at the both ends of styrofoam is 5-6mpa, the pressure
Steam and the distance that styrofoam both ends contact length is the 7%-12% that the styrofoam overall length is accounted for from the port of styrofoam both ends, i.e.,
To be aged the first step；
2nd, acetone is sprayed：
Preferably, its step is：Styrofoam after baking is being naturally cooled to 30-40 DEG C, after by styrofoam according to baking
Arrangement accumulation mode is arranged in spray column room when roasting, and the acetone liquid that concentration is 100% is added in spray column, will be through overbaking
Styrofoam substantially uniformity sprinkling acetone liquid, seal in spray column, after each side carried out to spray column room by supercharging equipment
Force acetone liquid to enter inside styrofoam to supercharging, increase to pressure to 120-150mpa, the duration is 12-24 hours；
Preferably, wherein the spray column room for self-control have closing can compression chamber, there is horizontal, vertical arrangement frame, and
Micropore sprinkler head is uniformly installed in arrangement frame upper and lower, left and right；
Preferably, the sprinkler head micropore size size is：0.03-0.08cm；
Acetone is industrially used for the industries such as explosive, plastics, rubber, fiber, process hides, grease, spray painting mainly as solvent
In, acetone industrially has the purposes for being used as dehydrating agent, is drawn by many experiments, under suitable pressure, acetone solution
Body " can get into " inside into styrofoam, absorb Free water and partial adsorbates water in styrofoam, reach dry styrofoam
Purpose, mitigate follow-up ageing work load.
3rd, the infrared auxiliary heat of electricity：
Preferably, its step is：The styrofoam after acetone is aged will be sprayed to fix, it is old to carrying out using the auxiliary heat of infrared electricity
Change, the infrared auxiliary heat of electricity includes the iron oxide fines of 5-20 parts, the manganese oxide fine powder of 5-20 parts, the oxidation copper fine powder, 1-3 of 1-3 parts
The cobalt oxide fine powder of part, the cordierite fine powder of 55-80 parts, the oxidation nickel fine powder of 1-3 parts, the titanium oxide fine powder of 1-3 parts and 1-3 parts
Chromium oxide fine powder be well mixed, compound is made, obtained compound is loaded into saggar, then the saggar is put into micro-wave oven
It is interior, radiant heating, 1000-1250 DEG C is warming up to, is incubated 30-60min, cooled down, crushed, sieving, it is infrared that 150-300 purposes are made
Powder is radiated, the infrared auxiliary thermal material of electricity of preparation is uniformly positioned over styrofoam surrounding, heating makes temperature be 40-50 DEG C, carried out
The infrared hot 24-36h of electric spoke；
4th, natural wind is dried：
Preferably, its step is：Styrofoam after the infrared electric spoke heat of step 3 is arranged according to step 1 way of stacking heap, placed
In drying, ventilation, broad interior, natural air drying 24-72h, ageing finishes.
The beneficial effects of the invention are as follows：Quickening styrofoam aging method of the present invention, accelerates styrofoam aging speed,
Ageing process needs to complete for 3-5 days, greatlys save time cost, need not take substantial amounts of stacking place in addition,
Space resources is saved, meanwhile, can solve the quick turn-around flow fund of many enterprises, mitigate the operating cost of enterprise, increase
Enterprise profit, and styrofoam stable material quality after being aged, to the cold waste heat will not deform, performance is more stable.
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
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1：
One kind accelerates styrofoam aging method：Comprise the following steps：Baking, sprinkling acetone, the auxiliary heat of infrared electricity, natural wind dry
It is dry.
1st, toast：
Preferably, its step is：The styrofoam that new production comes out is fixed, when arranging plate, dividing plate should be kept and styrofoam
Both ends flush, and upper lower clapboard keeps vertical, and to prevent styrofoam end moisture is too fast to scatter and disappear, contraction is uneven to cause end check, on
Lower clapboard keeps vertical, is to prevent whether styrofoam from bearing gravity balance, prevents warpage；And each piece of styrofoam is alternately arranged,
0.1-1cm is left between every piece of styrofoam of same level；The same aspect is kept to be as far as possible to the styrofoam of different-thickness, when arranging plate
Same thickness, avoid the styrofoam of different-thickness from causing relatively thin styrofoam to dry deformation in same aspect, while ensure heap
Stabilization during pile；It is dried after fixed plate using existing dry kiln by heating, drying method, hot oven drying method includes preheating,
Make that temperature is 45 DEG C and humidity is 0.03kg/m3Humid air cycle flow through styrofoam, time 120min, damp and hot speed
Control is in 0.5m/s；In the reducing temperature and humidity stage, make that temperature is 35 DEG C and humidity is 0.03kg/m33 humid air cycle flows through
Styrofoam, time 100min, heat up the wet down stage, make that temperature is 50 DEG C and humidity is 0.002kg/m3Humid air cycle stream
Move through styrofoam, until water content is 5-10% in styrofoam, wherein, steam is along styrofoam radial through in styrofoam
Both ends at steam pressure be 5-6mpa, steam and the styrofoam both ends contact length of the pressure are from styrofoam both ends port
7%% distance for accounting for the styrofoam overall length is acted, is as aged the first step；
2nd, acetone is sprayed：
Preferably, its step is：Styrofoam after baking is being naturally cooled to 30 DEG C, after by styrofoam according to baking when
Arrangement accumulation mode is arranged in spray column room, and the acetone liquid that concentration is 100% is added in spray column, will be poly- through overbaking
Benzene plate substantially uniformity spray acetone liquid, seal spray column in, after by supercharging equipment to spray column room carry out all directions increasing
Compressing makes acetone liquid enter inside styrofoam, increases to pressure to 120mpa, the duration is 24 hours；
Preferably, wherein the spray column room for self-control have closing can compression chamber, there is horizontal, vertical arrangement frame, and
Micropore sprinkler head is uniformly installed in arrangement frame upper and lower, left and right；
Preferably, the sprinkler head micropore size size is：0.05cm；
Acetone is industrially used for the industries such as explosive, plastics, rubber, fiber, process hides, grease, spray painting mainly as solvent
In, acetone industrially has the purposes for being used as dehydrating agent, is drawn by many experiments, under suitable pressure, acetone solution
Body " can get into " inside into styrofoam, absorb Free water and partial adsorbates water in styrofoam, reach dry styrofoam
Purpose, mitigate follow-up ageing work load.
3rd, the infrared auxiliary heat of electricity：
Preferably, its step is：The styrofoam after acetone is aged will be sprayed to fix, it is old to carrying out using the auxiliary heat of infrared electricity
Change, the infrared auxiliary heat of electricity includes 15 parts of iron oxide fines, 16 parts of manganese oxide fine powder, 3 parts of oxidation copper fine powder, 2 parts of oxidation
Cobalt fine powder, 55 parts of cordierite fine powder, 1 part of oxidation nickel fine powder, 3 parts of titanium oxide fine powder and 2.5 parts of chromium oxide fine powder mix
Uniform, obtained compound is closed, is put into micro-wave oven, radiant heating, rises by obtained compound loading saggar, then by the saggar
Temperature is incubated 30min to 1000 DEG C, cools down, and crushes, sieving, the infra-red radiation powder of 150-300 mesh is made, by the infrared of preparation
The auxiliary thermal material of electricity is uniformly positioned over styrofoam surrounding, and heating makes temperature be 50 DEG C, carries out the infrared electric hot 36h of spoke；
4th, natural wind is dried：
Preferably, its step is：Styrofoam after the infrared electric spoke heat of step 3 is arranged according to step 1 way of stacking heap, placed
In drying, ventilation, broad interior, natural air drying 24h, ageing finishes.
Embodiment 2：
One kind accelerates styrofoam aging method：Comprise the following steps：Baking, sprinkling acetone, the auxiliary heat of infrared electricity, natural wind dry
It is dry.
1st, toast：
Preferably, its step is：The styrofoam that new production comes out is fixed, when arranging plate, dividing plate should be kept and styrofoam
Both ends flush, and upper lower clapboard keeps vertical, and to prevent styrofoam end moisture is too fast to scatter and disappear, contraction is uneven to cause end check, on
Lower clapboard keeps vertical, is to prevent whether styrofoam from bearing gravity balance, prevents warpage；And each piece of styrofoam is alternately arranged,
0.1-1cm is left between every piece of styrofoam of same level；The same aspect is kept to be as far as possible to the styrofoam of different-thickness, when arranging plate
Same thickness, avoid the styrofoam of different-thickness from causing relatively thin styrofoam to dry deformation in same aspect, while ensure heap
Stabilization during pile；It is dried after fixed plate using existing dry kiln by heating, drying method, hot oven drying method includes preheating,
Make that temperature is 50 DEG C and humidity is 0.03kg/m3Humid air cycle flow through styrofoam, time 150min, damp and hot speed
Control is in 0.5m/s；In the reducing temperature and humidity stage, make that temperature is 40 DEG C and humidity is 0.02kg/m33 humid air cycle flows through
Styrofoam, time 100min, heat up the wet down stage, make that temperature is 65 DEG C and humidity is 0.003kg/m3Humid air cycle stream
Move through styrofoam, until water content is 5-10% in styrofoam, wherein, steam is along styrofoam radial through in styrofoam
Both ends at steam pressure be 5-6mpa, steam and the styrofoam both ends contact length of the pressure are from styrofoam both ends port
The distance for the 7%-12% for accounting for the styrofoam overall length is acted, is as aged the first step；
2nd, acetone is sprayed：
Preferably, its step is：Styrofoam after baking is being naturally cooled to 35 DEG C, after by styrofoam according to baking when
Arrangement accumulation mode is arranged in spray column room, and the acetone liquid that concentration is 100% is added in spray column, will be poly- through overbaking
Benzene plate substantially uniformity spray acetone liquid, seal spray column in, after by supercharging equipment to spray column room carry out all directions increasing
Compressing makes acetone liquid enter inside styrofoam, increases to pressure to 150mpa, the duration is 12 hours；
Preferably, wherein the spray column room for self-control have closing can compression chamber, there is horizontal, vertical arrangement frame, and
Micropore sprinkler head is uniformly installed in arrangement frame upper and lower, left and right；
Preferably, the sprinkler head micropore size size is：0.03-0.08cm；
Acetone is industrially used for the industries such as explosive, plastics, rubber, fiber, process hides, grease, spray painting mainly as solvent
In, acetone industrially has the purposes for being used as dehydrating agent, is drawn by many experiments, under suitable pressure, acetone solution
Body " can get into " inside into styrofoam, absorb Free water and partial adsorbates water in styrofoam, reach dry styrofoam
Purpose, mitigate follow-up ageing work load.
3rd, the infrared auxiliary heat of electricity：
Preferably, its step is：The styrofoam after acetone is aged will be sprayed to fix, it is old to carrying out using the auxiliary heat of infrared electricity
Change, the infrared auxiliary heat of electricity includes 16 parts of iron oxide fines, 13 parts of manganese oxide fine powder, 3 parts of oxidation copper fine powder, 2 parts of oxidation
Cobalt fine powder, 60 parts of cordierite fine powder, 2 parts of oxidation nickel fine powder, 2.5 parts of titanium oxide fine powder and 1 part of chromium oxide fine powder mix
Uniform, obtained compound is closed, is put into micro-wave oven, radiant heating, rises by obtained compound loading saggar, then by the saggar
Temperature is incubated 45min to 1000 DEG C, cools down, and crushes, sieving, the infra-red radiation powder of 150-300 mesh is made, by the infrared of preparation
The auxiliary thermal material of electricity is uniformly positioned over styrofoam surrounding, and heating makes temperature be 50 DEG C, carries out the infrared electric hot 36h of spoke；
4th, natural wind is dried：
Preferably, its step is：Styrofoam after the infrared electric spoke heat of step 3 is arranged according to step 1 way of stacking heap, placed
In drying, ventilation, broad interior, natural air drying 48h, ageing finishes.
To carrying out experiment investigation respectively in embodiment provided by the invention, the styrofoam for choosing newborn output passes through embodiment
1 and the method for embodiment 2, styrofoam after ageing is investigated, as a result as shown in table 1；
Styrofoam investigates result after table 1 is aged
From embodiment 1 and the testing result of embodiment 2, found out by above-mentioned testing result, same styrofoam passes through this hair
After the bright ageing, every testing result of styrofoam is qualified, and is better than reference substance, and institute is in the process of the present invention except solving drop
Low digestion time cost etc., also optimizes styrofoam performance；Another quickening styrofoam aging method of the present invention, accelerates polyphenyl
Plate aging speed, an ageing process need to complete within 3-5 days, greatly save time cost, need not take in addition a large amount of
Stacking place, save space resources, meanwhile, can solve the quick turn-around flow fund of many enterprises, make the operation of enterprise into
This mitigation, increase enterprise profit, and styrofoam stable material quality after ageing, waste heat will not deform to the cold, and performance is more stable.
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 (5)
1. one kind accelerates styrofoam aging method, it is characterised in that：Accelerate styrofoam aging method and include following steps：Baking, spray
Spill the auxiliary heat of acetone, infrared electricity, natural wind drying.
2. quickening styrofoam aging method according to claim 1, it is characterised in that：Baking：New production is come out poly-
Benzene plate is fixed, and when arranging plate, dividing plate should keep flushing with the both ends of styrofoam, and upper lower clapboard keeps vertical, to prevent styrofoam end
Portion's moisture is too fast to be scattered and disappeared, shrink it is uneven cause end check, upper lower clapboard keeps vertical, be prevent styrofoam bear gravity balance with
It is no, prevent warpage；And each piece of styrofoam is alternately arranged, 0.1-1cm is left between every piece of styrofoam of same level；To different thickness
The styrofoam of degree, to keep same aspect be same thickness as far as possible when arranging plate, avoid the styrofoam of different-thickness in same aspect and
Stabilization when causing relatively thin styrofoam to dry deformation, while ensureing stacking；Passed through after fixed plate using existing dry kiln
Heating, drying method is dried, and hot oven drying method includes preheating, makes that temperature is 40-50 DEG C and humidity is 0.03-0.05kg/m3It is wet
Air circulation flow passes through styrofoam, and time 100-150min, damp and hot speed control is in 0.5-2m/s；The reducing temperature and humidity stage,
Make that temperature is 30-40 DEG C and humidity is 0.02-0.04kg/m33 humid air cycle flows through styrofoam, time 70-
100min, heat up the wet down stage, make that temperature is 50-65 DEG C and humidity is 0.002-0.004kg/m3Humid air cycle flowing wear
Styrofoam is crossed, until water content is 5-10% in styrofoam, wherein, steam is along styrofoam radial through the two of styrofoam
Steam pressure at end is 5-6mpa, and steam and the styrofoam both ends contact length of the pressure are to be accounted for from the port of styrofoam both ends
The 7%-12% of styrofoam overall length distance, is as aged the first step.
3. quickening styrofoam aging method according to claim 2, it is characterised in that：Spray acetone：Will be poly- after baking
Benzene plate is naturally cooling to 30-40 DEG C, after by styrofoam according to baking when arrangement accumulation mode be arranged in spray column room, spraying
The acetone liquid that concentration is 100% is added in tower, the styrofoam substantially uniformity through overbaking is sprayed into acetone liquid, sealing spray
In tower, after by supercharging equipment to spray column room carry out all directions supercharging force acetone liquid enter styrofoam inside, increase to
For pressure to 120-150mpa, the duration is 12-24 hours.
4. quickening styrofoam aging method according to claim 3, it is characterised in that：The infrared auxiliary heat of electricity：Acetone will be sprayed
Styrofoam after ageing is fixed, using the auxiliary heat of infrared electricity to being aged, the auxiliary hot iron oxide fines for including 5-20 parts of infrared electricity,
The manganese oxide fine powder of 5-20 parts, oxidation copper fine powder, the cobalt oxide fine powder of 1-3 parts, the cordierite fine powder, 1- of 55-80 parts of 1-3 parts
The chromium oxide fine powder of 3 parts of oxidation nickel fine powder, the titanium oxide fine powder of 1-3 parts and 1-3 parts is well mixed, and compound is made, will make
The compound obtained loads saggar, then the saggar is put into micro-wave oven, radiant heating, is warming up to 1000-1250 DEG C, insulation
30-60min, cool down, crush, sieving, the infra-red radiation powder of 150-300 mesh is made, the infrared auxiliary thermal material of electricity of preparation is equal
Even to be positioned over styrofoam surrounding, heating makes temperature be 40-50 DEG C, carries out the infrared electric hot 24-36h of spoke.
5. quickening styrofoam aging method according to claim 4, it is characterised in that：Natural wind is dried：Step 3 is infrared
Styrofoam after electric spoke heat arranges according to step 1 way of stacking heap, is positioned over and dries, divulges information, broad interior, natural air drying 24-72h
, ageing finishes.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061228A (en) * | 1991-10-15 | 1992-05-20 | 化工部成都有机硅应用研究技术服务中心 | Preparation method of regenerated foamable polystyrene |
| CN103014591A (en) * | 2012-12-18 | 2013-04-03 | 苏州赛格瑞新材料有限公司 | Method for preparing infrared radiation amorphous coating |
| CN104017286A (en) * | 2014-05-28 | 2014-09-03 | 陕西泽康实业有限公司 | Expansive type high-flame-retardancy thermal-insulation polystyrene foam molding body and manufacturing method thereof |
| CN104552518A (en) * | 2015-01-10 | 2015-04-29 | 陈霞 | Dehumidification process of redwood |
| CN104804370A (en) * | 2015-05-06 | 2015-07-29 | 浙江沃华环境科技有限公司 | Thermoset noncombustible polystyrene board and production method thereof |
| CN106567467A (en) * | 2016-08-09 | 2017-04-19 | 吴理侃 | Fireproof polystyrene board and preparation method of the same |
| CN106810778A (en) * | 2016-12-29 | 2017-06-09 | 天津斯坦利新型材料有限公司 | A kind of preparation method of XPS |
-
2017
- 2017-09-29 CN CN201710910452.7A patent/CN107521129A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061228A (en) * | 1991-10-15 | 1992-05-20 | 化工部成都有机硅应用研究技术服务中心 | Preparation method of regenerated foamable polystyrene |
| CN103014591A (en) * | 2012-12-18 | 2013-04-03 | 苏州赛格瑞新材料有限公司 | Method for preparing infrared radiation amorphous coating |
| CN104017286A (en) * | 2014-05-28 | 2014-09-03 | 陕西泽康实业有限公司 | Expansive type high-flame-retardancy thermal-insulation polystyrene foam molding body and manufacturing method thereof |
| CN104552518A (en) * | 2015-01-10 | 2015-04-29 | 陈霞 | Dehumidification process of redwood |
| CN104804370A (en) * | 2015-05-06 | 2015-07-29 | 浙江沃华环境科技有限公司 | Thermoset noncombustible polystyrene board and production method thereof |
| CN106567467A (en) * | 2016-08-09 | 2017-04-19 | 吴理侃 | Fireproof polystyrene board and preparation method of the same |
| CN106810778A (en) * | 2016-12-29 | 2017-06-09 | 天津斯坦利新型材料有限公司 | A kind of preparation method of XPS |
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Application publication date: 20171229 |
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| RJ01 | Rejection of invention patent application after publication |