CN103159438B - Low-viscosity flexible polymer cement and fiber reinforcement fireproof coiled material - Google Patents
Low-viscosity flexible polymer cement and fiber reinforcement fireproof coiled material Download PDFInfo
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- CN103159438B CN103159438B CN201310108355.8A CN201310108355A CN103159438B CN 103159438 B CN103159438 B CN 103159438B CN 201310108355 A CN201310108355 A CN 201310108355A CN 103159438 B CN103159438 B CN 103159438B
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- polymer cement
- coiled material
- fiber reinforcement
- flexible polymer
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Abstract
The invention relates to low-viscosity polymer cement, and a fiber reinforcement fireproof coiled material prepared by adopting the polymer cement. The low-viscosity flexible polymer cement is prepared by compounding cement, a polymer, water and a water reducing agent, and has the advantages of low water consumption, low slurry viscosity, high drying rate, good fire resistance, simple process and the like. A non-woven glass fiber mat is used as a reinforcing material which is soaked in the polymer cement and then is rolled and dried to obtain the fiber reinforcement fireproof coiled material of which the thickness in a dry state is about 0.1-1mm. The fiber reinforcement fireproof coiled material has good bonding performance, can be used for various outer-wall heat-insulating plate plane materials, and can be well bonded with an organic heat-insulating material to improve the interface compatibility between the heat-insulating plate and a wall body as well as between the heat-insulating plate and a float coat layer; and the fiber reinforcement fireproof coiled material is high in inflammable organic component content to ensure that the fire resistance of a heat-insulating composite plate is improved, is good in water and infiltration resistance, ultra-thin and flexible to favor construction and operation, and is nontoxic and environmental-friendly in component, so that the fiber reinforcement fireproof coiled material is energy-saving and material-saving, can be produced continuously, and has high economic benefits.
Description
Technical field
The invention belongs to building material field, relate to a kind of low viscosity flexible polymer cement, and a kind of fiber reinforcement fire prevention coiled material adopting this polymer cement to prepare.
Background technology
The efficient external wall outer insulation material of current use is organic foaming kind material, but this kind of material exists fire resistance difference and the shortcoming with cement-based material cohesive strength difference all to some extent, causes fire and insulating layer of external wall case accident to happen occasionally.
Common outer-wall thermal insulation composite plate plane materiel adopts glass fiber reticular cloth and polymer mortar to be composited, because grid cloth adopts the method for glass fiber textile to make, thicker, and there is larger mesh (8 ~ 10 order), for ensureing that the waterproof, seepage control permeability of plane materiel causes polymer mortar large usage quantity, the dry thickness of plane materiel, usually at about 1 ~ 2mm, not only makes composition board weight increase, and easily causes plane materiel and organic foam core to peel off.
In recent years, the application of nonwoven Chopped Strand Mat in warming plate plane materiel starts to come into one's own, and usually adopts nonwoven Chopped Strand Mat single or double blade coating polymer cement mortar, dries preparation through calendering.For ensureing construction and barrier performance, normally used is the polymer cement mortar containing more aggregate and water, and goods are thicker, and subsequent baking process is time-consuming, power consumption is large.Although single side plane materiel thickness is less, because Chopped Strand Mat does not soak into mutually with polymer cement mortar well, glass top layer is easily caused to peel off, low with organic insulation material cohesive strength.
Polymer cement mortar produces vital impact to the impermeable of warming plate plane materiel and fire resistance.Commercially available polymer cement mortar adds too much water usually to reduce its viscosity, adds aggregate to improve workability simultaneously.This can cause the warming plate plane materiel follow-up baking needed time greatly to increase, and not only energy consumption increases, expense of simultaneously taking a lot of work ground; Polymer cement mortar consumption increases, and causes polymeric constituent in plane materiel to increase, its fire resistance unfavorable; Expense of raw materials increases, and causes plane materiel cost to improve.
Therefore, need to make improvements existing polymer cement mortar, make its viscosity reduce and not need to add too much water and aggregate, be convenient to impregnation processability, and the fire prevention coil thickness obtained is reduced, weight saving.Summary of the invention
The object of this invention is to provide a kind of low viscosity flexible polymer cement.
Present invention also offers a kind of fiber reinforcement fire prevention coiled material adopting this polymer cement to prepare.
Technical solution of the present invention is:
A kind of low viscosity flexible polymer cement, viscosity is 200 ~ 500mpa.s, and its composition comprises cement, polymer emulsion and water reducer, and wherein the weight ratio of each raw material is:
Cement 100 parts;
Acrylic ester polymer 3 ~ 10 parts;
Water reducer 0.5 ~ 2 part;
Dispersion agent 0.1 ~ 0.5 part;
Sanitas 0 ~ 0.5 part;
Also containing 24 ~ 36 parts of water.
Described acrylic ester polymer is acrylate rubber powder or acrylic ester emulsion; Solids content is the acrylic ester emulsion of 50% ~ 55% or the glass transition temp of dispersion liquid containing the acrylate rubber powder of 50% ~ 55% is-12 ~ 0 DEG C, pH=7 ~ 9; Particle diameter 0.2 ~ 0.5 micron, minimum film-forming temperature lower than 0 DEG C, viscosity 400 ~ 1800cP.
Described water reducer is the mixture of Thiovanic acid, 2-acrylamide-2-methylpro panesulfonic acid and ammonium persulphate; The amount ratio of Thiovanic acid, 2-acrylamide-2-methylpro panesulfonic acid and ammonium polyphosphate is 1:2 ~ 20:1 ~ 10.
Preferably, also 0 ~ 30 part, thin bone is contained in low viscosity flexible polymer cement; Described fine aggregate is a kind of in 80 ~ 150 object microlith powder and fine sand or both mixtures.
A kind of fiber reinforcement fire prevention coiled material is using nonwoven Chopped Strand Mat as strongthener, and with above-mentioned low viscosity flexible polymer cement for base material is composited, under drying regime, thickness is about 0.1 ~ 1mm.
The production method of this fiber reinforcement fire prevention coiled material comprises the steps: to flood in above-mentioned for nonwoven Chopped Strand Mat low viscosity flexible polymer cement, and then dry at 50 ~ 120 DEG C of lower compression rollers and form, described nonwoven Chopped Strand Mat thickness is 0.1 ~ 1mm.
This fiber reinforcement fire prevention coiled material adhesive property is good, can be used for all kinds of external wall insulation plane materiel, with organic insulation material bonds well, improves the interface compatibility of warming plate and body of wall and float coat; Fireproof inorganic component concentration is high, improves thermal insulating composite panel fire resistance; Waterproof, seepage control permeability can be good, and ultra-thin flexible, be beneficial to construction and operation; Component asepsis environment-protecting, energy-saving material-saving, can continuous seepage, high financial profit.
Low viscosity flexible polymer cement of the present invention forms by cement, polymkeric substance, water and water reducer are composite, and water consumption comparatively conventional formulation reduces about 50%, has the advantages such as water consumption is few, slurry viscosity is little, drying rate is fast, flame retardant properties is good, technique is simple.
Accompanying drawing explanation
Fig. 1 is that embodiment 3 is prevented fires the diagrammatic cross-section of coiled material;
Fig. 2 is that embodiment 3 is prevented fires the enlarged view of section of coiled material;
In figure, 1-nonwoven Chopped Strand Mat, 101-glass fiber, 2-low viscosity flexible polymer cement layer.
Embodiment
Embodiment 1
A kind of two component low viscosity flexible polymer cement, fills a prescription as follows, is weight part.
Solid phase: cement 100 parts
Liquid phase: as described in Table 1
Table 1
Acrylic ester emulsion is water-based emulsion, and glass transition temp is-8 DEG C, pH=7.8; Particle diameter 0.2 ~ 0.5 micron, minimum film-forming temperature lower than 0 DEG C, viscosity 400 ~ 1800cP(Brookfield viscometer 3#, 60 turns, 25 DEG C).
Wherein water reducer be Thiovanic acid, the mixture that forms by 1:5:2 of 2-acrylamide-2-methylpro panesulfonic acid and ammonium persulphate, in component, total water content is 30 parts.
Mixed by above-mentioned raw materials, the low viscosity flexible polymer concrete viscosity obtained is 300 ~ 350mpa.s.Embodiment 2
The flexible low-viscosity polymer cement formula of a kind of single-component, as table 2, is weight part.
Table 2
Rubber powder is acrylate redispersable latex powder, and when being mixed with mass concentration 50% dispersion liquid, glass transition temp is-8.5 DEG C, pH=8; Particle diameter 0.2 ~ 0.5 micron, minimum film-forming temperature lower than 0 DEG C, viscosity 400 ~ 1800cP.
Wherein water reducer be Thiovanic acid, the mixture that forms by 1:10:4 of 2-acrylamide-2-methylpro panesulfonic acid and ammonium persulphate, in component, total water content is 30 parts.
Mixed by above-mentioned raw materials, the low viscosity flexible polymer concrete viscosity obtained is 300 ~ 350mpa.s.
Rubber powder consumption be 3 parts, 6 parts or 8 parts time, the low viscosity flexible polymer concrete viscosity obtained is all lower than 500mpa.s.
Embodiment 3
Be 1mm, 50 ~ 90g/m by thickness
2nonwoven Chopped Strand Mat dipping 10 minutes in the two component low viscosity flexible polymer cement of embodiment 2 gained, shaping and dry at 80 DEG C through pressure roller.Form low-viscosity polymer cement layer after the drying of low viscosity flexible polymer cement, obtain with low-viscosity polymer cement layer for base material, nonwoven Chopped Strand Mat is the fire prevention coiled material of strongthener, and dry weight is 400 ~ 500g/m
2, apparent atresia, light tight, longitudinal tensile strength 200 ~ 300N/50mm, transverse tensile strength 70 ~ 100N/50mm.
Nonwoven Chopped Strand Mat 1 stacks by multiple glazing fiber yarn 101 is unordered, or orderly interfolded, then forms with adhesive cures compacting.As depicted in figs. 1 and 2, glass fiber 101 mixed distribution of nonwoven Chopped Strand Mat is entrenched in low-viscosity polymer cement layer 2, and nonwoven Chopped Strand Mat and low-viscosity polymer cement layer are lumped together.
Embodiment 4
Be 0.1mm, 50 ~ 70g/m by thickness
2nonwoven Chopped Strand Mat floods 10 minutes in the two component low viscosity flexible polymer cement of embodiment 2 gained, through pressure roller is shaping and after drying at 80 DEG C to be able to low viscosity flexible polymer cement layer be base material, nonwoven Chopped Strand Mat is the fire prevention coiled material of strongthener, and dry weight is 400 ~ 500g/m
2, apparent atresia, light tight, longitudinal tensile strength 200 ~ 300N/50mm, transverse tensile strength 70 ~ 100N/50mm.
The glass fiber mixed distribution of nonwoven Chopped Strand Mat is entrenched in low-viscosity polymer cement layer, and nonwoven Chopped Strand Mat and low-viscosity polymer cement layer are lumped together.
Reference examples 1
The formula of polymer cement is as shown in table 3.
Table 3
The polymer cement viscosity >1000mpa.s obtained.By thickness 1.0mm, weigh 50 ~ 90g/m
2nonwoven Chopped Strand Mat is flooding 10 ~ 20 minutes in polymer cement, and then pressure roller is shaping, dries at 80 DEG C, and time of baking needed is than embodiment 3 and more than 4 20% ~ 50%, and the fire prevention obtained coil thickness>=1.2mm.
Reference examples 2
The formula of polymer cement is as shown in table 4.
Table 4
Water reducer is sulfonated melamine (F10 as BASF).The polymer cement viscosity >1000mpa.s obtained.Thickness is 1.0mm, weighs 50 ~ 90g/m
2nonwoven Chopped Strand Mat flooding 10 ~ 20 minutes in polymer cement, then pressure roller is shaping, and dry at 80 DEG C, the time of baking needed is than embodiment more than 3 20% ~ 50%, and the fire prevention obtained coil thickness>=1.2mm.
Or the polymer cement obtained is spread upon the two sides of nonwoven Chopped Strand Mat, and dry at 100 DEG C, form the polymer cement mortar layer of thickness 1 ~ 2mm on the two sides of nonwoven Chopped Strand Mat.The fire prevention coiled material obtained, thickness 3 ~ 5mm, does not permeate between the glass fiber of polymer cement mortar and nonwoven Chopped Strand Mat completely.And the time of drying is longer.
Reference examples 3
A kind of two-component polymer cement, fill a prescription identical with embodiment 1, difference is, the mixture that water reducer is Thiovanic acid, 2-acrylamide-2-methylpro panesulfonic acid and ammonium persulphate form by 1:1:1:
The polymer cement viscosity >600mpa.s obtained.By thickness 1.0mm, weigh 50 ~ 90g/m
2nonwoven Chopped Strand Mat is flooding 10 ~ 20 minutes in polymer cement, and then pressure roller is shaping, dries at 80 DEG C, and time of baking needed is than embodiment 3 and more than 4 10% ~ 30%, and the fire prevention obtained coil thickness>=1.0mm.
When being used alone Thiovanic acid, 2-acrylamide-2-methylpro panesulfonic acid or ammonium persulphate as water reducer, the polymer cement viscosity obtained, all more than 500mpa.s, need increase the consumption of fine aggregate or water.
Claims (8)
1. a low viscosity flexible polymer cement, is characterized in that, viscosity is 200 ~ 500mpa.s, comprises cement, polymer emulsion and water reducer, and wherein the weight ratio of each raw material is:
The mixture that described water reducer is Thiovanic acid, 2-acrylamide-2-methylpro panesulfonic acid and ammonium persulphate form by 1:2 ~ 20:1 ~ 10 weight ratio.
2. low viscosity flexible polymer cement described in claim 1, is characterized in that, described acrylic ester polymer is acrylate rubber powder or acrylic ester emulsion; Solids content is the acrylic ester emulsion of 50% ~ 55% or the glass transition temp of dispersion liquid containing the acrylate rubber powder of 50% ~ 55% is-12 ~ 0 DEG C, pH=7 ~ 9; Particle diameter 0.2 ~ 0.5 micron, minimum film-forming temperature lower than 0 DEG C, viscosity 400 ~ 1800cP.
3. low viscosity flexible polymer cement described in claim 1, is characterized in that, also containing 24 ~ 36 parts of water.
4. low viscosity flexible polymer cement described in claim 1, is characterized in that, also containing fine aggregate 0 ~ 30 part, described fine aggregate is a kind of in 80 ~ 150 object microlith powder and fine sand or both mixtures.
5. low viscosity flexible polymer cement described in claim 1, is characterized in that, when described acrylic acid polymer is acrylic ester emulsion, antiseptic content is 0.1 ~ 0.5 part.
6. a fiber reinforcement fire prevention coiled material, is characterized in that, using low viscosity flexible polymer cement described in any one of Claims 1 to 5 as base material, using nonwoven Chopped Strand Mat as strongthener.
7. fiber reinforcement fire prevention coiled material according to claim 6, it is characterized in that, thickness is 0.1 ~ 1mm.
8. the production method of the fiber reinforcement fire prevention coiled material described in claim 6 or 7, it is characterized in that, nonwoven Chopped Strand Mat is comprised the steps: to flood in low viscosity flexible polymer cement described in any one of claim 1 ~ 6, then dry at 50 ~ 120 DEG C of lower compression rollers and form, described nonwoven Chopped Strand Mat thickness is 0.1 ~ 1mm.
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| CN103159438B true CN103159438B (en) | 2015-03-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103951893B (en) * | 2014-05-15 | 2016-09-21 | 精碳伟业（北京）科技有限公司 | Fireproof coiled materials on steel structure and preparation method thereof |
| CN109988527A (en) * | 2019-04-02 | 2019-07-09 | 王谦 | A kind of flexible polymer cement seal material and preparation method thereof |
| CN112248575A (en) * | 2020-10-22 | 2021-01-22 | 河南蓝翎环科防水材料有限公司 | Root-resistant polymer siphon drainage and water storage sheet and production process thereof |
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| CN1686912A (en) * | 2005-04-04 | 2005-10-26 | 上海龙洲新型建材有限公司 | Method for manufacturing inflexible and flexible composite waterproof material based on macromolecule cement |
| CN101412609A (en) * | 2008-10-21 | 2009-04-22 | 中冶集团建筑研究总院 | Cement polymer mortar for reinforcing and repairing concrete |
| CN101550309A (en) * | 2009-05-15 | 2009-10-07 | 苏州市姑苏新型建材有限公司 | II-type polymer cement waterproofing coating modified by nano materials and preparation method thereof |
| CN102182254A (en) * | 2011-01-19 | 2011-09-14 | 北京索利特新型建筑材料有限公司 | Manufacturing process of inorganic fireproof coiled material and inorganic fireproof coiled material |
| CN102587609A (en) * | 2012-03-23 | 2012-07-18 | 烟台市顺达聚氨酯有限责任公司 | Method for producing rigid foam polyurethane heat-insulation and decorative integrated plate |
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- 2013-03-29 CN CN201310108355.8A patent/CN103159438B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1686912A (en) * | 2005-04-04 | 2005-10-26 | 上海龙洲新型建材有限公司 | Method for manufacturing inflexible and flexible composite waterproof material based on macromolecule cement |
| CN101412609A (en) * | 2008-10-21 | 2009-04-22 | 中冶集团建筑研究总院 | Cement polymer mortar for reinforcing and repairing concrete |
| CN101550309A (en) * | 2009-05-15 | 2009-10-07 | 苏州市姑苏新型建材有限公司 | II-type polymer cement waterproofing coating modified by nano materials and preparation method thereof |
| CN102182254A (en) * | 2011-01-19 | 2011-09-14 | 北京索利特新型建筑材料有限公司 | Manufacturing process of inorganic fireproof coiled material and inorganic fireproof coiled material |
| CN102587609A (en) * | 2012-03-23 | 2012-07-18 | 烟台市顺达聚氨酯有限责任公司 | Method for producing rigid foam polyurethane heat-insulation and decorative integrated plate |
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