CN103979920B - A kind of water-resisting type magnesium oxysulfide PLASTIC LAMINATED and preparation method thereof - Google Patents
A kind of water-resisting type magnesium oxysulfide PLASTIC LAMINATED and preparation method thereof Download PDFInfo
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- CN103979920B CN103979920B CN201410249266.XA CN201410249266A CN103979920B CN 103979920 B CN103979920 B CN 103979920B CN 201410249266 A CN201410249266 A CN 201410249266A CN 103979920 B CN103979920 B CN 103979920B
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- plastic laminated
- magnesium oxysulfide
- water
- resisting type
- adlerika
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Abstract
The invention discloses a kind of water-resisting type magnesium oxysulfide PLASTIC LAMINATED and preparation method thereof, belong to PLASTIC LAMINATED production field.This PLASTIC LAMINATED adopts modification magnesium oxysulfide concrete as base material, adopts medium-alkali glass fiber cloth and non-woven fabrics etc. as framework material, active filler is added slip mixing, and the demoulding of hardening under certain condition obtains.Compared with prior art, anti-fire door core board of the present invention, without damp suction surface halide accumulation, has the weather resistance that more common glass magnesium plate is higher, smooth in appearance is attractive in appearance, Building Fire Protection field can be applied to, the FPE especially under wet environment, there is good application value.
Description
Technical field
The present invention relates to PLASTIC LAMINATED production field, specifically a kind of water-resisting type magnesium oxysulfide PLASTIC LAMINATED and preparation method thereof.
Background technology
Glass magnesium PLASTIC LAMINATED is one of PLASTIC LAMINATED be most widely used at present, is take magnesite binding material as base-material, with medium-alkali glass fiber cloth for strongthener, take light material as the novel noncombustible construction sheet material that weighting material is composited.Can be used as heat-preserving building wallboard, door panel, ceiling board, tr etc., dado, sash, furniture etc. do in alternative wooden plywood.Also can be coated with ready mixed paint, clear water paint in surface as required, and various types of plate face can be processed into.Also can be used for the simple and easy FPE of the wet environment such as vault, mine.
In prior art, make glass magnesium PLASTIC LAMINATED magnesite binding material used and be mainly magnesia oxychloride cement, magnesia oxychloride cement is with magnesium oxide, magnesium chloride, and water ternary system, the air hardening cementitious materials made through rational proportion and employing admixture modification, has the feature of high-strength light.But the very poor shortcoming of its water resistance is also fairly obvious, and when running into high humidity weather, this material surface can return halogen and return frost, buckling deformation, reduces product strength, thus have a strong impact on its decorate properties and use range, shorten the work-ing life of goods.In recent years, although the modification technology of magnesium oxychloride product is showing improvement or progress day by day, the disadvantage of its poor water resistance still cannot be eradicated, and limits the widespread use of goods.
In magnesite binding material, the advantage of magnesium oxysulfide material is thoroughly to have broken away from the possibility of damp suction surface halide accumulation.But there is larger problem in intensity, the water resistance of traditional magnesium oxysulfide concrete, cannot meet the application requiring of construction work.And in intensity and water tolerance, had very large lifting through the new sulfur oxygen magnesium material of reasonable modification.Its lightweight, low alkali, water resistant, high temperature resistant, the not advantage such as Corrosion Reinforcement, make it be very suitable for making fire-proof board, fire-resistant finishing material etc., occupy greater share by construction work industry from now on.
Summary of the invention
Technical assignment of the present invention is for above-mentioned the deficiencies in the prior art, provides a kind of water-resisting type magnesium oxysulfide PLASTIC LAMINATED.
The further technical assignment of the present invention is to provide the making method of above-mentioned PLASTIC LAMINATED.
Technical assignment of the present invention realizes in the following manner: a kind of water-resisting type magnesium oxysulfide PLASTIC LAMINATED, is characterized in being made by following methods:
The preparation of a, modification magnesium oxysulfide cement slurry
With light-magnesite powder and Adlerika mix and blend, add properties-correcting agent and only starched; Only will starch under agitation as appropriate speed and mix with active filler, and obtain modification magnesium oxysulfide cement slurry after stirring, described properties-correcting agent is the special water resistant toughener of magnesium oxysulfide, by 10% silicon ash, 20% waterproofing agent of organosilicon powder, 38% sucrose, 32% humic acids mixes;
B, step a gained slip and strongthener are laid in respectively in template in order, maintenance is hardened to slip, obtains PLASTIC LAMINATED.
In order to increase the decorative effect of PLASTIC LAMINATED, can at the bonding ornament changeable cover of PLASTIC LAMINATED outside surface, as wooden skin, bamboo skin, PVC skin and trimeric cyanamide skin etc.Bonding ornament changeable cover bonded adhesives used can be the one in white glue with vinyl, monocomponent polyurethane glue and epoxy resin glue.Wherein for the bonding preferred white glue with vinyl of the water-based veneers such as wooden skin, bamboo skin, the inapplicable white glue with vinyl of oiliness veneer such as PVC skin and melamine facing skin, preferred monocomponent polyurethane glue.The bonding process of ornament changeable cover can adopt two-sided glue spraying mode.
Described Adlerika density is 1.22g/cm
3, the mass ratio of Adlerika and light-magnesite powder is 1:(1 ~ 1.2), be preferably 1:(1.05 ~ 1.15).
The addition content of properties-correcting agent is preferably 1% of light-magnesite powder quality.
Stir speed (S.S.) when clean slurry mixes with active filler is 60 ~ 80 revs/min.
Described active filler can be any one light filler in prior art, is preferably the mixture of a kind of and closed perlite in talcum powder or flyash.
Described strongthener is preferably medium-alkali glass fiber cloth or non-woven fabrics.
The maintenance processes of PLASTIC LAMINATED can adopt the conventional maintenance process in this area, and preferred curing condition is: temperature 25 ~ 35 DEG C, places the demoulding in 24 hours in the indoor environment of relative humidity more than 60%; Afterwards temperature 20 ~ 30 DEG C, carry out secondary maintenance under the environment of relative humidity 30 ~ 90%, the time of secondary maintenance is 7 ~ 14 days.
The present invention makes field in PLASTIC LAMINATED and introduces modification magnesium oxysulfide concrete and decorative surface bonding process first, using modification magnesium oxysulfide concrete as base material, adopt medium-alkali glass fiber cloth and non-woven fabrics etc. as strongthener, active filler is added slip mixing, the demoulding of hardening under certain condition obtains water-resisting type magnesium oxysulfide PLASTIC LAMINATED.Compared with prior art, there is following outstanding beneficial effect:
(1) modification magnesium oxysulfide concrete is adopted to solve the problem of glass magnesium PLASTIC LAMINATED inextirpable poor water resistance, easily damp suction surface halide accumulation for a long time;
(2) specify that the composition of properties-correcting agent and the optimum proportioning of each component, moisture absorption coefficient of softening (7d) is not less than 0.97, and water-weakening effect coefficient (7d) is not less than 0.90, and the sample that coefficient of softening does not add properties-correcting agent improves 125%, and without damp suction surface halide accumulation phenomenon;
(3) the bonding of special decoration crust has greatly expanded the range of application of glass magnesium PLASTIC LAMINATED in building decoration field, the magnesium oxysulfide PLASTIC LAMINATED obtained has pattern close to traditional decoration sheet materials such as planks and texture, and has higher intensity and security.
Embodiment
With specific embodiment, water-resisting type magnesium oxysulfide PLASTIC LAMINATED of the present invention and preparation method thereof is described in detail below.
[embodiment one]
The raw material of following mass percent is mixed, namely obtains properties-correcting agent of the present invention (magnesium oxysulfide water resistant toughener):
Silicon ash 10%
Waterproofing agent of organosilicon powder 20%
Sucrose 38%
Humic acids 32%.
[embodiment two]
Slurry formulation:
(density is 1.22g/cm to light-magnesite powder 100kg Adlerika
3) 111kg
Magnesium oxysulfide water resistant toughener 1kg talcum powder (325 order) 30kg
Closed perlite (granularity 30 order) 5kg
Strongthener: medium-alkali glass fiber cloth (near slip) and non-woven fabrics (near surface)
Ornament changeable cover is wooden skin, and adhesives is white glue with vinyl.
Making step:
The preparation of a, modification magnesium oxysulfide cement slurry
Light-magnesite powder added in Adlerika, mixing and stirring also adds magnesium oxysulfide water resistant toughener and is only starched; Only will starch under 70 revs/min of stir speed (S.S.)s and mix with talcum powder, closed perlite, after stirring, obtain modification magnesium oxysulfide cement slurry;
B, in order step a gained slip and medium-alkali glass fiber cloth, non-woven fabrics to be laid in template respectively, concrete tiling order is as follows: first spread layer of non-woven fabric, repave layer of glass fiber fabric, go up slip afterwards, then on the slip flattened, add layer of glass fiber fabric and non-woven fabrics more in order.
C, temperature more than 25 DEG C, in the indoor environment of relative humidity more than 60% place 24 hours, maintenance is hardened to slip, and the demoulding obtains PLASTIC LAMINATED substrate;
D, temperature 20 ~ 30 DEG C, carry out secondary maintenance under the environment of relative humidity 30 ~ 90% to PLASTIC LAMINATED substrate, the time of secondary maintenance is 7 ~ 14 days.
E, adopt two-sided glue spraying mode, at the bonding ornament changeable cover of PLASTIC LAMINATED outer surface of substrate.
[embodiment three]
Slurry formulation:
(density is 1.22g/cm to light burnt powder 100kg Adlerika
3) 114kg
Magnesium oxysulfide water resistant toughener 1kg flyash (200 order) 30kg
Closed perlite (granularity 30 order) 5kg
Strongthener: medium-alkali glass fiber cloth (near slip) and non-woven fabrics (near surface).
Ornament changeable cover is PVC veneer, and adhesives is monocomponent polyurethane glue.
Except movable filler difference used, making step is identical with embodiment two.
[comparison example]
Slurry formulation:
(density is 1.22g/cm to light burnt powder 100kg Adlerika
3) 114kg
Flyash (200 order) 30kg closed perlite (granularity 30 order) 5kg
Strongthener: medium-alkali glass fiber cloth (near slip) and non-woven fabrics (near surface).
Ornament changeable cover is PVC veneer, and adhesives is monocomponent polyurethane glue.
Except not adding magnesium oxysulfide water resistant toughener, making step is identical with embodiment two.
[experimental example]
Carry out performance test respectively to the PLASTIC LAMINATED that embodiment two, embodiment three, comparison example obtain, test index sees the following form:
As can be seen from the table, the index of the PLASTIC LAMINATED of embodiment two, three manufacture all can reach and even be better than magnesite decorative standard.The comparison example of not adding magnesium oxysulfide water resistant toughener is all failed up to standard in intensity, coefficient of softening and water-intake rate, and visible rationally modification is very necessary for the performance boost of magnesium oxysulfide sheet material.
Claims (7)
1. a water-resisting type magnesium oxysulfide PLASTIC LAMINATED, is characterized in that, this PLASTIC LAMINATED is made by following methods:
The preparation of a, modification magnesium oxysulfide cement slurry
With light-magnesite powder and Adlerika mix and blend, add properties-correcting agent and only starched; Only will starch under agitation as appropriate speed and mix with active filler, after stirring, obtain modification magnesium oxysulfide cement slurry,
Described Adlerika density is 1.22g/cm
3, the mass ratio of Adlerika and light-magnesite powder is 1:(1 ~ 1.2),
Described properties-correcting agent is the special water resistant toughener of magnesium oxysulfide, is mixed by the raw material of following mass percent: 10% silicon ash, 20% waterproofing agent of organosilicon powder, 38% sucrose, 32% humic acids,
Described active filler is the mixture of a kind of and closed perlite in talcum powder or flyash;
B, step a gained slip and strongthener are laid in respectively in template in order, maintenance is hardened to slip, obtains PLASTIC LAMINATED, and described strongthener is medium-alkali glass fiber cloth or non-woven fabrics.
2. water-resisting type magnesium oxysulfide PLASTIC LAMINATED according to claim 1, is characterized in that, described PLASTIC LAMINATED outside surface is bonded with ornament changeable cover.
3. water-resisting type magnesium oxysulfide PLASTIC LAMINATED according to claim 1 and 2, is characterized in that, the addition content of properties-correcting agent is 1% of light-magnesite powder quality.
4. water-resisting type magnesium oxysulfide PLASTIC LAMINATED according to claim 1 and 2, is characterized in that, stir speed (S.S.) when clean slurry mixes with active filler is 60 ~ 80 revs/min.
5. water-resisting type magnesium oxysulfide PLASTIC LAMINATED according to claim 1 and 2, it is characterized in that, curing condition is: temperature 25 ~ 35 DEG C, places the demoulding in 24 hours in the indoor environment of relative humidity more than 60%; Afterwards temperature 20 ~ 30 DEG C, carry out secondary maintenance under the environment of relative humidity 30 ~ 90%, the time of secondary maintenance is 7 ~ 14 days.
6. the making method of water-resisting type magnesium oxysulfide PLASTIC LAMINATED, is characterized in that comprising the following steps:
The preparation of a, modification magnesium oxysulfide cement slurry
With light-magnesite powder and Adlerika mix and blend, add properties-correcting agent and only starched; Only will starch under agitation as appropriate speed and mix with active filler, after stirring, obtain modification magnesium oxysulfide cement slurry,
Described Adlerika density is 1.22g/cm
3, the mass ratio of Adlerika and light-magnesite powder is 1:(1 ~ 1.2),
Described properties-correcting agent is the special water resistant toughener of magnesium oxysulfide, is mixed by the raw material of following mass percent: 10% silicon ash, 20% waterproofing agent of organosilicon powder, 38% sucrose, 32% humic acids,
Described active filler is the mixture of a kind of and closed perlite in talcum powder or flyash;
B, step a gained slip and strongthener are laid in respectively in template in order, maintenance is hardened to slip, obtains PLASTIC LAMINATED, and described strongthener is medium-alkali glass fiber cloth or non-woven fabrics.
7. preparation method according to claim 6, is characterized in that, after obtaining PLASTIC LAMINATED, at the bonding ornament changeable cover of its outside surface.
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| CN103979920B true CN103979920B (en) | 2015-09-30 |
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