CN103319198A - Magnesium oxide plate and manufacturing process thereof - Google Patents
Magnesium oxide plate and manufacturing process thereof Download PDFInfo
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- CN103319198A CN103319198A CN 201310232377 CN201310232377A CN103319198A CN 103319198 A CN103319198 A CN 103319198A CN 201310232377 CN201310232377 CN 201310232377 CN 201310232377 A CN201310232377 A CN 201310232377A CN 103319198 A CN103319198 A CN 103319198A
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- magnesium oxide
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Abstract
The invention discloses a magnesium oxide plate and a manufacturing process thereof. The magnesium oxide plate disclosed by the invention is characterized by being prepared through mixing the following mixed raw materials in parts by weight: 80-100 parts of magnesium oxide, 20-30 parts of anhydrous magnesium chloride, 10-20 parts of foaming agent, 20-30 parts of aluminum silicate fiber, 5-10 parts of saw dust, 10-15 parts of coal ash, 8-12 parts of glass magnesium board disintegrated powder, 1.5-5 parts of non-woven fabric, and 6-8 parts of water. The magnesium oxide plate is manufactured by adding the raw materials in the parts by weight into mixing equipment and uniformly mixing the raw materials to prepare a base stock, introducing the base stock into a mold, extruding the base stock by using extrusion equipment, then molding the extruded base stock, and air-drying the molded plate. The magnesium oxide plate disclosed by the invention meets AQ1 grade safety and performance requirements; inspection according to GB24-2006 standards proves that the burning performance of the magnesium oxide plate meets A1 grade requirements; the magnesium oxide plate is smooth in surface, good in water resistance, can be applied to exterior wall decoration, and greatly expands the application space of a glass fiber and magnesium fire-proof plate.
Description
Technical field
The present invention relates to a kind of sheet material, particularly relate to a kind of magnesium oxide sheet material and manufacture craft thereof.
Background technology
Magnesium oxide plate is a kind of novel multifunction building material, because it had both had lightweight and flexibility and the cycling processability of wooden class organic plates, the fire line and the water tolerance that have again inorganic plate are applied in body of wall, furred ceiling, floor liner plate and other have the finishing at fire protection requirement position.The main component of present magnesium oxide plate is fiberglass gridding cloth (main source of the dynamics of plate), magnesium oxide, magnesium chloride, perlite, fiberfill fibers and property-modifying additive.But there are the problems such as the damp suction surface halide accumulation, sheet material embrittlement of sheet material in the magnesium oxide plate that uses at present, has affected the quality of product, and fire insulation performance is also relatively poor.And it is slightly poor that magnesium oxide plate exists water resistance, and therefore the defective of insufficient strength, can not as decoration of exterior wall, limit the widespread use of product.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of simple in structurely, molding time is fast, has better fire-proof and thermal-insulation and waterproof make moist magnesium oxide sheet material and the manufacture craft thereof of effect.
In order to address the above problem, the technical solution used in the present invention is:
A kind of magnesium oxide sheet material is characterized in that, adopts following raw material to mix, and material name and parts by weight are as follows:
Magnesium oxide 80-100 part;
Magnesium Chloride Anhydrous 20-30 part;
Whipping agent 10-20 part;
Aluminum silicate fiber 20-30 part;
Sawdust 5-10 part;
Flyash 10-15 part;
Glass magnesium plate comminuted powder 8-12 part;
Non-woven fabrics 1.5-5;
Water 6-8 part.
Aforesaid a kind of magnesium oxide sheet material is characterized in that: described swollen whipping agent adopts the mixture of trimeric cyanamide, tetramethylolmethane and ammonium polyphosphate.
Aforesaid a kind of magnesium oxide sheet material is characterized in that: the mass ratio of described trimeric cyanamide, tetramethylolmethane and ammonium polyphosphate is 4:2:1.
Aforesaid a kind of magnesium oxide sheet material is characterized in that: described MgO activity magnesium content is greater than 90%.
A kind of magnesium oxide sheet material manufacture craft is characterized in that: may further comprise the steps:
(1), magnesium oxide, Magnesium Chloride Anhydrous, whipping agent, glass magnesium plate comminuted powder are put into stirrer by the parts by weight of the described magnesium oxide plate of claim 1 and stirred, the fill gas body forms bubble in the stirrer simultaneously, stirs 15 minutes;
(2), aluminum silicate fiber, flyash, sawdust are joined in the stirrer by the parts by weight of the described magnesium oxide plate of claim 1, continue to mix, uniform stirring was made slurry after 30 minutes,
(3), more ready template is introduced in the press, and non-woven fabrics is laid good;
(4), the slurry in the step (2) take out is added in the press loading hopper, then slurry is filled with in the template seamless cloth, is pressed into desired size, get final product the demoulding after the 8-10 hour drying;
(5), the sheet material that is cured is oppositely placed together with template, gently hold up one jiao on mould with have gentle hands, hand just splits away off by the sheet material that is cured, one side more from then on the angle begin to start mould and get final product taking off;
(6), with the folded code of the sheet material behind the moulding holder mould together, between maintenance in maintenance 3 days, got final product in indoor 10 days that then goods are put into drying;
(7), the sheet material of drying is cut out by specification requirement gone to four limits again.
The invention has the beneficial effects as follows:
1, magnesium oxide sheet material of the present invention has good flame retardant effect by the expanded foamed material that trimeric cyanamide, tetramethylolmethane and ammonium polyphosphate form, and the fire endurance time is long;
2, magnesium oxide sheet material of the present invention has added aluminum silicate fiber and has had good heat-blocking action, can strengthen the flame retardant effect of sheet material;
3, the present invention is by having increased flyash at magnesium oxide sheet material, and not only increasing greatly water resistance increases, and improves simultaneously intensity and fire performance, adopts simultaneously to be filled with bubble, makes its complete processing be easy to produce, and has shortened molding time, improves make efficiency.
Embodiment
The invention will be further described below in conjunction with form.
The weight of each composition of table 1 embodiment 1-3
Wherein, whipping agent is the mixture of trimeric cyanamide, tetramethylolmethane and ammonium polyphosphate, and the mass ratio of trimeric cyanamide, tetramethylolmethane and ammonium polyphosphate is 4:2:1.
The manufacture craft of above-mentioned three embodiment, its step is as follows:
(1), magnesium oxide, Magnesium Chloride Anhydrous, whipping agent, glass magnesium plate comminuted powder are put into stirrer by the parts by weight of the described magnesium oxide plate of claim 1 and stirred, the fill gas body forms bubble in the stirrer simultaneously, stirs 15 minutes;
(2), aluminum silicate fiber, flyash, sawdust are joined in the stirrer by the parts by weight of the described magnesium oxide plate of claim 1, continue to mix, uniform stirring was made slurry after 30 minutes,
(3), more ready template is introduced in the press, and non-woven fabrics is laid good;
(4), the slurry in the step (2) take out is added in the press loading hopper, then slurry is filled with in the template seamless cloth, is pressed into desired size, get final product the demoulding after the 8-10 hour drying;
(5), the sheet material that is cured is oppositely placed together with template, gently hold up one jiao on mould with have gentle hands, hand just splits away off by the sheet material that is cured, one side more from then on the angle begin to start mould and get final product taking off;
(6), with the folded code of the sheet material behind the moulding holder mould together, between maintenance in maintenance 3 days, got final product in indoor 10 days that then goods are put into drying;
(7), the sheet material of drying is cut out by specification requirement gone to four limits again.
3 embodiment are physical and mechanical properties after tested, and wherein the result is as shown in table 2:
As can be seen from Table 2, folding strength among the embodiment 1-3 and resistance to impact shock comparison are than the obvious raising of embodiment, fire-retardant rank can reach the V-1 level in the Comparative Examples, add expanded foamed material, aluminium silicate fiber peacekeeping cotton fibre among the embodiment, can make flame retardant rating reach the V-0 level, can play good flame retardant effect.
Its smooth surface of magnesium oxide sheet material that above-mentioned three embodiment produce, increasing greatly water resistance increases, improve simultaneously intensity and fire performance, adopt simultaneously and be filled with bubble, make its complete processing be easy to produce, shortened molding time, improve make efficiency, can use decoration of exterior wall, in the usage space of having expanded greatly glass magnesium PLASTIC LAMINATED.
Above demonstration and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. a magnesium oxide sheet material is characterized in that, adopts following raw material to mix, and material name and parts by weight are as follows:
Magnesium oxide 80-100 part;
Magnesium Chloride Anhydrous 20-30 part;
Whipping agent 10-20 part;
Aluminum silicate fiber 20-30 part;
Sawdust 5-10 part;
Flyash 10-15 part;
Glass magnesium plate comminuted powder 8-12 part;
Non-woven fabrics 1.5-5;
Water 6-8 part.
2. a kind of magnesium oxide sheet material according to claim 1 is characterized in that: the mixture of described swollen whipping agent employing trimeric cyanamide, tetramethylolmethane and ammonium polyphosphate.
3. a kind of magnesium oxide sheet material according to claim 2, it is characterized in that: the mass ratio of described trimeric cyanamide, tetramethylolmethane and ammonium polyphosphate is 4:2:1.
4. a kind of magnesium oxide sheet material according to claim 3, it is characterized in that: described MgO activity magnesium content is greater than 90%.
5. magnesium oxide sheet material manufacture craft is characterized in that: may further comprise the steps:
(1), magnesium oxide, Magnesium Chloride Anhydrous, whipping agent, glass magnesium plate comminuted powder are put into stirrer by the parts by weight of the described magnesium oxide plate of claim 1 and stirred, the fill gas body forms bubble in the stirrer simultaneously, stirs 15 minutes;
(2), aluminum silicate fiber, flyash, sawdust are joined in the stirrer by the parts by weight of the described magnesium oxide plate of claim 1, continue to mix, uniform stirring was made slurry after 30 minutes,
(3), more ready template is introduced in the press, and non-woven fabrics is laid good;
(4), the slurry in the step (2) take out is added in the press loading hopper, then slurry is filled with in the template seamless cloth, is pressed into desired size, get final product the demoulding after the 8-10 hour drying;
(5), the sheet material that is cured is oppositely placed together with template, gently hold up one jiao on mould with have gentle hands, hand just splits away off by the sheet material that is cured, one side more from then on the angle begin to start mould and get final product taking off;
(6), with the folded code of the sheet material behind the moulding holder mould together, between maintenance in maintenance 3 days, got final product in indoor 10 days that then goods are put into drying;
(7), the sheet material of drying is cut out by specification requirement gone to four limits again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310232377 CN103319198A (en) | 2013-06-13 | 2013-06-13 | Magnesium oxide plate and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310232377 CN103319198A (en) | 2013-06-13 | 2013-06-13 | Magnesium oxide plate and manufacturing process thereof |
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| Publication Number | Publication Date |
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| CN103319198A true CN103319198A (en) | 2013-09-25 |
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| CN 201310232377 Pending CN103319198A (en) | 2013-06-13 | 2013-06-13 | Magnesium oxide plate and manufacturing process thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264853A (en) * | 2014-10-11 | 2015-01-07 | 平昌沃德科技发展有限公司 | Fireproof plate and manufacturing method thereof |
| CN105440720A (en) * | 2015-12-15 | 2016-03-30 | 卓达新材料科技集团有限公司 | Making method of medical functional sheets |
| CN106957182A (en) * | 2017-03-30 | 2017-07-18 | 张函青 | A kind of glass base PLASTIC LAMINATED and its manufacturing process |
| CN109111196A (en) * | 2018-10-29 | 2019-01-01 | 石家庄易辰防火保温材料有限公司 | A kind of fire prevention Magnesium oxide plate |
| CN110467424A (en) * | 2019-08-19 | 2019-11-19 | 清远市金运再生资源有限公司 | A kind of glass magnesium composite tile and preparation method thereof |
| CN111393129A (en) * | 2020-03-25 | 2020-07-10 | 东莞市盈鑫隔热板有限公司 | Glass magnesium core material slurry, glass magnesium core material manufacturing method and application |
| CN113402249A (en) * | 2021-07-26 | 2021-09-17 | 石家庄易辰防火保温材料有限公司 | Fireproof magnesium oxide board and manufacturing process thereof |
| CN113683384A (en) * | 2021-09-27 | 2021-11-23 | 天津中冶团泊湖置业有限公司 | Inorganic fireproof substrate and manufacturing method thereof |
-
2013
- 2013-06-13 CN CN 201310232377 patent/CN103319198A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264853A (en) * | 2014-10-11 | 2015-01-07 | 平昌沃德科技发展有限公司 | Fireproof plate and manufacturing method thereof |
| CN105440720A (en) * | 2015-12-15 | 2016-03-30 | 卓达新材料科技集团有限公司 | Making method of medical functional sheets |
| CN106957182A (en) * | 2017-03-30 | 2017-07-18 | 张函青 | A kind of glass base PLASTIC LAMINATED and its manufacturing process |
| CN109111196A (en) * | 2018-10-29 | 2019-01-01 | 石家庄易辰防火保温材料有限公司 | A kind of fire prevention Magnesium oxide plate |
| CN110467424A (en) * | 2019-08-19 | 2019-11-19 | 清远市金运再生资源有限公司 | A kind of glass magnesium composite tile and preparation method thereof |
| CN111393129A (en) * | 2020-03-25 | 2020-07-10 | 东莞市盈鑫隔热板有限公司 | Glass magnesium core material slurry, glass magnesium core material manufacturing method and application |
| CN113402249A (en) * | 2021-07-26 | 2021-09-17 | 石家庄易辰防火保温材料有限公司 | Fireproof magnesium oxide board and manufacturing process thereof |
| CN113402249B (en) * | 2021-07-26 | 2023-01-31 | 石家庄易辰防火保温材料有限公司 | Fireproof magnesium oxide board and manufacturing process thereof |
| CN113683384A (en) * | 2021-09-27 | 2021-11-23 | 天津中冶团泊湖置业有限公司 | Inorganic fireproof substrate and manufacturing method thereof |
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Application publication date: 20130925 |