CN103526902A - Waterproof moisture absorption gypsum plaster board and manufacturing technology thereof - Google Patents
Waterproof moisture absorption gypsum plaster board and manufacturing technology thereof Download PDFInfo
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- CN103526902A CN103526902A CN201310544091.0A CN201310544091A CN103526902A CN 103526902 A CN103526902 A CN 103526902A CN 201310544091 A CN201310544091 A CN 201310544091A CN 103526902 A CN103526902 A CN 103526902A
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Abstract
The invention belongs to the field of building environment-friendly materials and discloses a waterproof moisture absorption gypsum plaster board. The waterproof moisture absorption gypsum plaster board sequentially comprises face protection paper, a gypsum base body and face protection paper from top to bottom. The gypsum base body and the face protection paper are bonded through a binding material. The face protection paper at the upper side and the face protection paper at the lower side are the same. The invention further discloses a manufacturing technology of the waterproof moisture absorption gypsum plaster board. The manufactured gypsum plaster board is good in waterproof performance and superior to products of the same type in the market.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of water-fast moisture absorption Thistle board and preparation technology thereof.
Background technology
Gypsum plank is to take a kind of material that plaster of Paris makes as primary raw material.It is a kind of lightweight, intensity is higher, thinner thickness, easy to process and sound insulation is adiabatic and the constructional materials of the better performances such as water-fast of preventing fires, and is one of novel light sheet material of current development emphatically.Gypsum plank has been widely used in internal partition wall, body of wall cladding boards (replacement floated coat), ceiling, abatvoix, surface based laminate and the various decorative panels etc. of the various buildings such as house, office building, shop, hotel and industrial premises.The gypsum plank that China produces mainly contains: Thistle board, decorated gypsum board, gypsum hollow lath, fibrous plaster, gypsum abatvoix, locating-point plasterboard etc.
Gypsum plank can be divided into according to its major function: fire safe type, Anti-pressure, thermal-insulating type and water-resistant type etc.Waterproof gypsum board refers to that this slabstone is when doing waterproof test according to U.S. ASTM standard, its water absorption rate is 5%, can be used in the region that humidity is larger, as washroom, shower chamber and kitchen etc., this plate is in gypsum core, to add quantitative waterproof agent, makes gypsum itself have certain water resistance.In addition, gypsum paperboard is also used waterproofing work, so this is a kind of reasonable more sheet material of extensive use that has.But this plate is not directly exposed in moist environment, also not directly water inlet is long-time soaks.Its plate core and mask paper have all passed through waterproofing work, and according to the requirement of GB, the paper of wet-strong paper surface gypsum board and plate core all must reach certain waterproof requirement (water absorbent surface amount is not more than 160 grams, and water absorption rate is no more than 10%).Wet-strong paper surface gypsum board is applicable to continuous relative humidity and is no more than 95% ，Ru washroom, field of employment, kitchen, bathroom etc.Chinese invention patent CN201010022499 discloses a kind of water-resistant gypsum board, but this gypsum plank water resistance does not reach international standard far away.
In view of the problem that prior art exists, how to prepare a kind of water resistance high, and the higher Thistle board of performance parameter such as pressure-proof and snap-resistent, be prior art technical problem urgently to be resolved hurrily.
Summary of the invention
In order to overcome, the water-fast humidity resistance that the Thistle board of prior art exists is poor, rupture strength, impact strength are low, and the defect such as absorption pernicious gas ability, the invention provides the higher Thistle board of a kind of various aspects of performance parameter, it is much better than market common product.Meanwhile, the present invention also provides the preparation method of this Thistle board.
The object of the invention is to be achieved through the following technical solutions:
A moisture absorption Thistle board, it is followed successively by mask paper, plaster matrix and mask paper from top to bottom; Between described plaster matrix and described mask paper, by binding material, be bonded; The mask paper of upper and lower both sides is identical;
Described mask paper is prepared as follows and forms:
In pond with slurry, according to weight portion, prepare burden: 100 parts, precipitated calcium carbonate 300-400 part, string 100-150 part, glass fiber 100-150 part, 100 parts of PLAs, 50 parts of dimethyl silicone polymers, 20 parts, calcium sulfate, 20 parts of starch ethers, 10 parts of sodium phosphate trimers and water; The length of above-mentioned glass fiber is preferably 5-10mm;
First the batching in pond with slurry is stirred and obtains slurry, then enter head box, slurry is evenly distributed in fourdrinier part, enter subsequently vacuum system and carry out first step dehydration, take off more than 50% moisture, form half wet page; Half wet page enters squeezer and carries out second step dehydration, and controlled pressure 30MPa dewaters 60 minutes; Finally, enter dryer and carry out the 3rd step dehydration, controlling temperature is 120 ℃, and the time is 15 minutes, and obtaining thickness is the mask paper of 2mm;
Described plaster matrix is prepared as follows and forms:
According to weight portion, take following raw material: 50 parts, 120 parts of land plasters, 40 parts, kieselguhr, 30 parts of pyrite dusts, 20 parts of dolomite dusts, 10 parts of French chalk, 10 parts of chitins, 8 parts of boraxs, 8 parts of polyvinyl alcohol, 6 parts of starch ethers, 6 parts of hydroxyethylcelluloses, 2 parts, phenolic resins, 1 part of sodium succinate and water; Above-mentioned raw materials is mixed, then put in mortar mixer, stir and obtain mixed slurry, then mixed slurry is injected to die casting and become sheet material, the demoulding after sheet material solidifies, finally sheet material being placed in to temperature is 60 ℃, in the hygrothermal environment that humidity is 60% 12 hours, obtains the plaster matrix that thickness is 10mm; The length of above-mentioned glass fiber is preferably 5-10mm;
Described binding material is prepared as follows and forms:
According to weight portion, get 1 part of 5 parts of ethylene-vinyl acetate resins (EVA), 3 parts of white glue with vinyl, 2 parts of French chalk, 1 part, agar and casein; Be uniformly mixed and get final product;
The consumption of binding material is that every square metre of bond area is used 100g.
The beneficial effect that the present invention obtains: the water-fast humidity resistance of Thistle board prepared by the present invention is strong, environment friendly and pollution-free, can effectively remove pernicious gas; In performance parameters such as compressive strength, coefficient of thermal conductivity, linear shrinkage, fire resistance and anti-folding modulus of elasticity, all greatly improve, be better than market like product completely, possess good market prospects.Preparation technology's simple possible of the present invention, can large-scale industrialization promotion
The specific embodiment
Below employing specific embodiment is further explained the present invention, but should regard the restriction to initiative spirit of the present invention as.
Embodiment 1
A moisture absorption Thistle board, it is followed successively by mask paper, plaster matrix and mask paper from top to bottom; Between described plaster matrix and described mask paper, by binding material, be bonded; The mask paper of upper and lower both sides is identical;
Described mask paper is prepared as follows and forms:
In pond with slurry, according to weight portion, prepare burden: 100 parts, 300 parts of precipitated calcium carbonates, 100 parts, string, 100 parts of glass fiber, 100 parts of PLAs, 50 parts of dimethyl silicone polymers, 20 parts, calcium sulfate, 20 parts of starch ethers, 10 parts of sodium phosphate trimers and water; The length of above-mentioned glass fiber is 5mm;
First the batching in pond with slurry is stirred and obtains slurry, then enter head box, slurry is evenly distributed in fourdrinier part, enter subsequently vacuum system and carry out first step dehydration, take off more than 50% moisture, form half wet page; Half wet page enters squeezer and carries out second step dehydration, and controlled pressure 30MPa dewaters 60 minutes; Finally, enter dryer and carry out the 3rd step dehydration, controlling temperature is 120 ℃, and the time is 15 minutes, and obtaining thickness is the mask paper of 2mm;
Described plaster matrix is prepared as follows and forms:
According to weight portion, take following raw material: 50 parts, 120 parts of land plasters, 40 parts, kieselguhr, 30 parts of pyrite dusts, 20 parts of dolomite dusts, 10 parts of French chalk, 10 parts of chitins, 8 parts of boraxs, 8 parts of polyvinyl alcohol, 6 parts of starch ethers, 6 parts of hydroxyethylcelluloses, 2 parts, phenolic resins, 1 part of sodium succinate and water; Above-mentioned raw materials is mixed, then put in mortar mixer, stir and obtain mixed slurry, then mixed slurry is injected to die casting and become sheet material, the demoulding after sheet material solidifies, finally sheet material being placed in to temperature is 60 ℃, in the hygrothermal environment that humidity is 60% 12 hours, obtains the plaster matrix that thickness is 10mm; The length of above-mentioned glass fiber is 5mm;
Described binding material is prepared as follows and forms:
According to weight portion, get 1 part of 5 parts of ethylene-vinyl acetate resins (EVA), 3 parts of white glue with vinyl, 2 parts of French chalk, 1 part, agar and casein; Be uniformly mixed and get final product;
The consumption of binding material is that every square metre of bond area is used 100g.
Embodiment 2
A moisture absorption Thistle board, it is followed successively by mask paper, plaster matrix and mask paper from top to bottom; Between described plaster matrix and described mask paper, by binding material, be bonded; The mask paper of upper and lower both sides is identical;
Described mask paper is prepared as follows and forms:
In pond with slurry, according to weight portion, prepare burden: 100 parts, 400 parts of precipitated calcium carbonates, 150 parts, string, 150 parts of glass fiber, 100 parts of PLAs, 50 parts of dimethyl silicone polymers, 20 parts, calcium sulfate, 20 parts of starch ethers, 10 parts of sodium phosphate trimers and water; The length of above-mentioned glass fiber is 10mm;
First the batching in pond with slurry is stirred and obtains slurry, then enter head box, slurry is evenly distributed in fourdrinier part, enter subsequently vacuum system and carry out first step dehydration, take off more than 50% moisture, form half wet page; Half wet page enters squeezer and carries out second step dehydration, and controlled pressure 30MPa dewaters 60 minutes; Finally, enter dryer and carry out the 3rd step dehydration, controlling temperature is 120 ℃, and the time is 15 minutes, and obtaining thickness is the mask paper of 2mm;
Described plaster matrix is prepared as follows and forms:
According to weight portion, take following raw material: 50 parts, 120 parts of land plasters, 40 parts, kieselguhr, 30 parts of pyrite dusts, 20 parts of dolomite dusts, 10 parts of French chalk, 10 parts of chitins, 8 parts of boraxs, 8 parts of polyvinyl alcohol, 6 parts of starch ethers, 6 parts of hydroxyethylcelluloses, 2 parts, phenolic resins, 1 part of sodium succinate and water; Above-mentioned raw materials is mixed, then put in mortar mixer, stir and obtain mixed slurry, then mixed slurry is injected to die casting and become sheet material, the demoulding after sheet material solidifies, finally sheet material being placed in to temperature is 60 ℃, in the hygrothermal environment that humidity is 60% 12 hours, obtains the plaster matrix that thickness is 10mm; The length of above-mentioned glass fiber is 10mm;
Described binding material is prepared as follows and forms:
According to weight portion, get 1 part of 5 parts of ethylene-vinyl acetate resins (EVA), 3 parts of white glue with vinyl, 2 parts of French chalk, 1 part, agar and casein; Be uniformly mixed and get final product;
The consumption of binding material is that every square metre of bond area is used 100g.
Embodiment 3
The test of charcoal environment protecting paper surface gypsum board performance parameter detects:
Contrast test 1: the gypsum plank of preparing according to patented method (CN200710139236); The gypsum plank of embodiment 1 preparation.Water absorption rate is determined as: with balance, accurately weigh the water of test block being put into after the weight m of bone dry test block to 30 degrees Celsius of left and right and soak, after 1h, from water, take out, with dry towel, wipe surface moisture, again weigh the weight n of test block, by (n-m)/m, be multiplied by 100% acquisition water absorption rate; Resistance to compression bending resistance rupture strength is with reference to B/T17669.3-199 standard, and concrete outcome is referring to table 1.
Table 1
| Group | Water absorption rate % | Compressive strength kpa | Coefficient of thermal conductivity W/ (m.K) | Anti-folding modulus of elasticity mpa |
| Contrast test 1 | 9.4 | 178 | 0.068 | 3547 |
| The embodiment of the present invention 1 | 1.6 | 314 | 0.021 | 6839 |
| The embodiment of the present invention 2 | 1.7 | 324 | 0.019 | 6712 |
The gypsum plank that after tested prepared by the present invention water resistance that not only absorbs water is high, and can effectively remove free formaldehyde, ammonia and the benzene in habitat.
Finally, it is also to be noted that, what more than enumerate is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, can also have many distortion.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (4)
1. a water-fast moisture absorption Thistle board, it is followed successively by mask paper, plaster matrix and mask paper from top to bottom; Between described plaster matrix and described mask paper, by binding material, be bonded.
2. Thistle board as claimed in claim 1, is characterized in that, described mask paper is prepared as follows and forms:
A) in pond with slurry, according to weight portion, prepare burden: 100 parts, precipitated calcium carbonate 300-400 part, string 100-150 part, glass fiber 100-150 part, 100 parts of PLAs, 50 parts of dimethyl silicone polymers, 20 parts, calcium sulfate, 20 parts of starch ethers, 10 parts of sodium phosphate trimers and water;
B) first the batching in pond with slurry is stirred and obtains slurry, then enter head box, slurry is evenly distributed in fourdrinier part, enter subsequently vacuum system and carry out first step dehydration, take off more than 50% moisture, form half wet page; Half wet page enters squeezer and carries out second step dehydration, and controlled pressure 30MPa dewaters 60 minutes; Finally, enter dryer and carry out the 3rd step dehydration, controlling temperature is 120 ℃, and the time is 15 minutes, obtains mask paper.
3. Thistle board as claimed in claim 1 or 2, is characterized in that,
Described plaster matrix is prepared as follows and forms:
According to weight portion, take following raw material: 50 parts, 120 parts of land plasters, 40 parts, kieselguhr, 30 parts of pyrite dusts, 20 parts of dolomite dusts, 10 parts of French chalk, 10 parts of chitins, 8 parts of boraxs, 8 parts of polyvinyl alcohol, 6 parts of starch ethers, 6 parts of hydroxyethylcelluloses, 2 parts, phenolic resins, 1 part of sodium succinate and water; Above-mentioned raw materials is mixed, then put in mortar mixer, stir and obtain mixed slurry, then mixed slurry is injected to die casting and become sheet material, the demoulding after sheet material solidifies, finally sheet material being placed in to temperature is 60 ℃, in the hygrothermal environment that humidity is 60% 12 hours, obtains plaster matrix.
4. the Thistle board as described in claim 1 or 2 or 3, it is characterized in that, described binding material is prepared as follows and forms: according to weight portion, get 1 part of 5 parts of ethylene-vinyl acetate resins (EVA), 3 parts of white glue with vinyl, 2 parts of French chalk, 1 part, agar and casein; Be uniformly mixed and obtain binding material.
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| CN201310544091.0A CN103526902B (en) | 2013-11-06 | 2013-11-06 | A kind of water-fast moisture absorption Thistle board and preparation technology thereof |
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| CN103526902B CN103526902B (en) | 2015-08-26 |
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| CN103937175A (en) * | 2014-04-18 | 2014-07-23 | 安徽省中日农业环保科技有限公司 | Flame-retardant thermal insulating flexible acoustical board material and preparation method thereof |
| CN103964803A (en) * | 2014-04-22 | 2014-08-06 | 叶长青 | Anti-bacterial gypsum board |
| CN105297942A (en) * | 2014-07-29 | 2016-02-03 | 金承黎 | Heat-insulation and decorative integrated wall with composite aerogel and light steel keels and method for manufacturing heat-insulation and decorative integrated wall |
| CN105294040A (en) * | 2015-12-10 | 2016-02-03 | 泰山石膏股份有限公司 | Paper-based gypsum board and preparation method thereof |
| CN105400246A (en) * | 2015-12-30 | 2016-03-16 | 泰山石膏股份有限公司 | Environment-friendly decorative gypsum board and preparation method thereof |
| CN106274248A (en) * | 2016-09-30 | 2017-01-04 | 岑溪市拓丰科技发展有限公司 | A kind of environment-friendly type painted eggshell |
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| CN107382240A (en) * | 2017-07-25 | 2017-11-24 | 合肥欧仕嘉机电设备有限公司 | A kind of moisture resistance plasterboard of waterproof and preparation method thereof |
| CN108947447A (en) * | 2018-10-18 | 2018-12-07 | 合肥永泰新型建材有限公司 | It is a kind of to have the plasterboard for reducing electromagnetic radiation pollution |
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| CN109053115A (en) * | 2018-10-18 | 2018-12-21 | 合肥永泰新型建材有限公司 | A kind of preparation method of environment-friendly energy-saving plasterboard |
| CN109293330A (en) * | 2018-10-18 | 2019-02-01 | 合肥永泰新型建材有限公司 | Phase-transition heat-storage plasterboard and its application |
| CN110763717A (en) * | 2018-07-27 | 2020-02-07 | 北新集团建材股份有限公司 | Method for detecting bonding performance of gypsum board |
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| CN103937175A (en) * | 2014-04-18 | 2014-07-23 | 安徽省中日农业环保科技有限公司 | Flame-retardant thermal insulating flexible acoustical board material and preparation method thereof |
| CN103937175B (en) * | 2014-04-18 | 2016-01-20 | 安徽省中日农业环保科技有限公司 | A kind of fire-retardant heat insulation toughness acoustic panel material and preparation method thereof |
| CN103964803A (en) * | 2014-04-22 | 2014-08-06 | 叶长青 | Anti-bacterial gypsum board |
| CN103964803B (en) * | 2014-04-22 | 2016-01-27 | 叶长青 | A kind of fungi-proofing plasterboard |
| CN105297942A (en) * | 2014-07-29 | 2016-02-03 | 金承黎 | Heat-insulation and decorative integrated wall with composite aerogel and light steel keels and method for manufacturing heat-insulation and decorative integrated wall |
| CN105297942B (en) * | 2014-07-29 | 2017-12-08 | 金承黎 | The lightgage steel joist heat preservation decoration integrative wall and preparation method of composite aerogel |
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| CN105294040A (en) * | 2015-12-10 | 2016-02-03 | 泰山石膏股份有限公司 | Paper-based gypsum board and preparation method thereof |
| CN105400246B (en) * | 2015-12-30 | 2017-07-21 | 泰山石膏股份有限公司 | A kind of environment-friendly type decoration plasterboard and preparation method thereof |
| CN105400246A (en) * | 2015-12-30 | 2016-03-16 | 泰山石膏股份有限公司 | Environment-friendly decorative gypsum board and preparation method thereof |
| CN106274248A (en) * | 2016-09-30 | 2017-01-04 | 岑溪市拓丰科技发展有限公司 | A kind of environment-friendly type painted eggshell |
| CN106517850A (en) * | 2016-10-13 | 2017-03-22 | 常州市鼎升环保科技有限公司 | Preparation method of environment-friendly water-resistant gypsum plaster board |
| CN107382240A (en) * | 2017-07-25 | 2017-11-24 | 合肥欧仕嘉机电设备有限公司 | A kind of moisture resistance plasterboard of waterproof and preparation method thereof |
| US11865820B2 (en) | 2017-12-19 | 2024-01-09 | Saint-Gobain Adfors Canada, Ltd. | Reinforcing layer, a cementitious board, and method of forming the cementitious board |
| CN110763717A (en) * | 2018-07-27 | 2020-02-07 | 北新集团建材股份有限公司 | Method for detecting bonding performance of gypsum board |
| CN110763717B (en) * | 2018-07-27 | 2021-08-24 | 北新集团建材股份有限公司 | Method for detecting bonding performance of gypsum board |
| CN108947447A (en) * | 2018-10-18 | 2018-12-07 | 合肥永泰新型建材有限公司 | It is a kind of to have the plasterboard for reducing electromagnetic radiation pollution |
| CN109293330A (en) * | 2018-10-18 | 2019-02-01 | 合肥永泰新型建材有限公司 | Phase-transition heat-storage plasterboard and its application |
| CN109053115A (en) * | 2018-10-18 | 2018-12-21 | 合肥永泰新型建材有限公司 | A kind of preparation method of environment-friendly energy-saving plasterboard |
| CN109053114A (en) * | 2018-10-18 | 2018-12-21 | 合肥永泰新型建材有限公司 | A kind of high-strength waterproof composite gypsum board |
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