CN107721290A - Compound thermal insulation mortar of the wheat stalk granular polystyrene of a kind of waterproof fireproofing and preparation method thereof - Google Patents
Compound thermal insulation mortar of the wheat stalk granular polystyrene of a kind of waterproof fireproofing and preparation method thereof Download PDFInfo
- Publication number
- CN107721290A CN107721290A CN201711202701.3A CN201711202701A CN107721290A CN 107721290 A CN107721290 A CN 107721290A CN 201711202701 A CN201711202701 A CN 201711202701A CN 107721290 A CN107721290 A CN 107721290A
- Authority
- CN
- China
- Prior art keywords
- granular polystyrene
- wheat stalk
- thermal insulation
- insulation mortar
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of compound thermal insulation mortar of the wheat stalk granular polystyrene of waterproof fireproofing; and its preparation technology; characterized in that, with wheat stalk, glass bead, cement, flyash, sand, redispersable latex powder, POLYPROPYLENE GLYCOL fiber, cellulose ether, granular polystyrene, polyvinyl alcohol, paraffin, polyoxyethylene nonylphenol ether 10, acrylic monomers, K2S2O8Solution, aqueous epoxy resin emulsion etc. are raw material.Use polyvinyl alcohol（PVA）Paraffin is modified, PVA is evenly distributed in paraffin, is formed the crosslinking net water-separating film of solid, is reached waterproof effect；Using acrylic monomers as modified amboceptor, with K2S2O8It is emulsifying agent with OP 10 for initiator, it is compound to prepare paraffin acrylic acid polyvinyl alcohol waterproofing agent.Aqueous epoxy resin emulsion has water-reducing effect, is mixed in cement mortar, improves performance；Granular polystyrene and glass bead are mixed for improving to the fireproof heat insulating performance of mortar.
Description
Technical field
The present invention relates to field of mortar, and in particular to a kind of compound insulation of wheat stalk-granular polystyrene of waterproof fireproofing
Mortar, and its preparation technology.
Background technology
China is agricultural production big country, produces substantial amounts of agricultural crop straw therefrom, and serious ring can be caused by directly burning
Border problem, such as soil erosion, desertification.And, it can be realized by corresponding processing. by agricultural crop straw under certain condition
It is widely applied.
Zhang Lin is in its master thesis《Glass bead-wheat stalk composite thermal insulation mortar is prepared and performance study》In,
Alkali process has been carried out to wheat stalk, using glass bead and wheat stalk as heat preserving aggregate, using flyash and sand as admixture, mixed
Conjunction makes the good novel thermal insulation mortar of thermal and insulating performance, but waterproof, fire protecting performance deficiency be present.
The present invention carries out immersion treatment to wheat stalk with alkali lye, removal surface wax coat, the carbohydrate thing in dissolution stalk
Matter, ensure its heat-insulating property, improve the combination interface power of stalk and cement matrix, improve the toughness of cement mortar.Use polyethylene
Alcohol（PVA）Paraffin is modified, PVA can be evenly distributed in paraffin, formed the crosslinking net water-separating film of solid, reached
Waterproof effect；Using acrylic monomers as modified amboceptor, with K2S2O8For initiator, using OP-10 as emulsifying agent, with the former compound system
Standby paraffin-acrylic acid-polyvinyl alcohol waterproofing agent.Aqueous epoxy resin emulsion has water-reducing effect, is mixed in cement mortar,
Improve its performance；By granular polystyrene and glass bead mixing and ball milling, the fireproof heat insulating performance available for raising mortar.
The content of the invention
The present invention solves the technical problem of provide a kind of wheat stalk-granular polystyrene of waterproof fireproofing compound guarantor
Warm mortar and its preparation technology, the mortar good heat insulating prepared according to the technique, and there is good waterproof fireproofing performance.
The technical problems to be solved by the invention are realized using following technical scheme：
Wheat stalk 20-30, glass bead 40-50, cement 30-40, flyash 20-30, sand 10-15, redispersable latex powder
3-5, POLYPROPYLENE GLYCOL fiber 1-3, cellulose ether 1-2, granular polystyrene 6-8, polyvinyl alcohol 5-9, paraffin 4-8, emulsifier op-10
2-4, acrylic monomers 3-7, K2S2O8Solution 2-3, aqueous epoxy resin emulsion, NaOH solution, distillation appropriate amount of water.
The preparation method of the compound thermal insulation mortar of wheat stalk-granular polystyrene of a kind of waterproof fireproofing, it is characterised in that press
Following steps are carried out：
A. wheat stalk is dried to constant weight in 40-60 DEG C, crushes and screens processing, collect length as 0.1-0.5mm, 1:10-
30 immerse in NaOH solution, after immersion treatment 5-10h, filter, are washed to neutrality, are dried for standby in 100-110 DEG C；
B. into polyvinyl alcohol 1:15-20 adds distilled water, stirs, and is warming up to 80-90 DEG C, adds paraffin, constant temperature stirring
1-2h, A liquid is obtained, by emulsifier op-10 1:10-20 is dissolved in distilled water, adds in acrylic monomers, emulsifies 30-50min, obtains B
Liquid, A, B liquid are mixed, add K2S2O8Solution, 70-80 DEG C of stirring reaction 3-5h, is cooled to room temperature, produces composite water-proof agent；
C. cement, flyash, sand are mixed evenly, add aqueous epoxy resin emulsion, mechanical agitation disperses 2-4h and obtains A
Liquid；By glass bead, granular polystyrene mixing and ball milling 1-2h, 100-200 mesh sieves are crossed, are mixed with A liquid stand-by；
D. resulting material in a, b, c is mixed, addition redispersable latex powder, after mechanical agitation 1-2h, it is fine adds POLYPROPYLENE GLYCOL
Dimension, cellulose ether, continue mechanical agitation 2-3h, that is, obtain a kind of thermal insulation mortar.
Wherein, the mass fraction of NaOH solution is 3%-5% in step a；K in step b2S2O8Solution concentration is 1-3%；Step
Aqueous epoxy resin emulsion is emulsion type epoxy resin adhesive liquid or water-soluble epoxy resin glue in c.
The reaction mechanism of the present invention is as follows：
（1）Immersion treatment is carried out to wheat stalk with alkali lye, removes surface wax coat, the glucide in dissolution stalk, is ensured
Its heat-insulating property, the combination interface power of stalk and cement matrix is improved, improve the toughness of cement mortar.
（2）Use polyvinyl alcohol（PVA）Paraffin is modified, PVA can be evenly distributed in paraffin, form solid
Crosslinking net water-separating film, reaches waterproof effect；Using acrylic monomers as modified amboceptor, with K2S2O8For initiator, using OP-10 as
Emulsifying agent, and the former is compound prepares paraffin-acrylic acid-polyvinyl alcohol waterproofing agent.
（3）Aqueous epoxy resin emulsion has water-reducing effect, is mixed in cement mortar, improves its performance；By polyphenyl
Particle and glass bead mixing and ball milling, available for the fireproof heat insulating performance for improving mortar.
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
The compound thermal insulation mortar of wheat stalk-granular polystyrene of a kind of waterproof fireproofing, by the raw material system of following weight parts (g)
：
Wheat stalk 30, glass bead 40, cement 30, flyash 20, sand 10, redispersable latex powder 5, POLYPROPYLENE GLYCOL fiber 3,
Cellulose ether 2, granular polystyrene 8, polyvinyl alcohol 9, paraffin 8, emulsifier op-10 4, acrylic monomers 7, K2S2O8Solution 3, it is water-based
Epoxy resin latex, NaOH solution, distillation appropriate amount of water.
The preparation method of the compound thermal insulation mortar of wheat stalk-granular polystyrene of a kind of waterproof fireproofing, it is characterised in that press
Following steps are carried out：
A. wheat stalk is dried to constant weight in 50-60 DEG C, crushes and screens processing, collect length as 0.1-0.5mm, 1:20
Immerse in NaOH solution, after immersion treatment 8-10h, filter, be washed to neutrality, be dried for standby in 100-110 DEG C；
B. into polyvinyl alcohol 1:15 add distilled water, stir, and are warming up to 80-90 DEG C, add paraffin, and constant temperature stirs 1h,
A liquid is obtained, by emulsifier op-10 1:20 are dissolved in distilled water, add in acrylic monomers, emulsify 40min, obtain B liquid, A, B liquid are mixed
Close, add K2S2O8Solution, 70-80 DEG C of stirring reaction 5h, is cooled to room temperature, produces composite water-proof agent；
C. cement, flyash, sand are mixed evenly, add aqueous epoxy resin emulsion, mechanical agitation disperses 4h and obtains A liquid；
By glass bead, granular polystyrene mixing and ball milling 2h, 100-200 mesh sieves are crossed, are mixed with A liquid stand-by；
D. resulting material in a, b, c is mixed, addition redispersable latex powder, after mechanical agitation 2h, it is fine adds POLYPROPYLENE GLYCOL
Dimension, cellulose ether, continue mechanical agitation 3h, that is, obtain a kind of thermal insulation mortar.
Claims (5)
1. the compound thermal insulation mortar of wheat stalk-granular polystyrene of a kind of waterproof fireproofing, it is characterised in that by following weight parts
Raw material is made：
Wheat stalk 20-30, glass bead 40-50, cement 30-40, flyash 20-30, sand 10-15, redispersable latex powder
3-5, POLYPROPYLENE GLYCOL fiber 1-3, cellulose ether 1-2, granular polystyrene 6-8, polyvinyl alcohol 5-9, paraffin 4-8, emulsifier op-10
2-4, acrylic monomers 3-7, K2S2O8Solution 2-3, aqueous epoxy resin emulsion, NaOH solution, distillation appropriate amount of water.
A kind of 2. preparation of the compound thermal insulation mortar of wheat stalk-granular polystyrene of waterproof fireproofing according to claim 1
Method, it is characterised in that carry out according to the following steps：
A. wheat stalk is dried to constant weight in 40-60 DEG C, crushes and screens processing, collect length as 0.1-0.5mm, 1:10-
30 immerse in NaOH solution, after immersion treatment 5-10h, filter, are washed to neutrality, are dried for standby in 100-110 DEG C；
B. into polyvinyl alcohol 1:15-20 adds distilled water, stirs, and is warming up to 80-90 DEG C, adds paraffin, constant temperature stirring
1-2h, A liquid is obtained, by emulsifier op-10 1:10-20 is dissolved in distilled water, adds in acrylic monomers, emulsifies 30-50min, obtains B
Liquid, A, B liquid are mixed, add K2S2O8Solution, 70-80 DEG C of stirring reaction 3-5h, is cooled to room temperature, produces composite water-proof agent；
C. cement, flyash, sand are mixed evenly, add aqueous epoxy resin emulsion, mechanical agitation disperses 2-4h and obtains A
Liquid；By glass bead, granular polystyrene mixing and ball milling 1-2h, 100-200 mesh sieves are crossed, are mixed with A liquid stand-by；
D. resulting material in a, b, c is mixed, addition redispersable latex powder, after mechanical agitation 1-2h, it is fine adds POLYPROPYLENE GLYCOL
Dimension, cellulose ether, continue mechanical agitation 2-3h, that is, obtain a kind of thermal insulation mortar.
A kind of 3. preparation of the compound thermal insulation mortar of wheat stalk-granular polystyrene of waterproof fireproofing according to claim 2
Method, it is characterised in that the mass fraction of NaOH solution is 3%-5% in step a.
A kind of 4. preparation of the compound thermal insulation mortar of wheat stalk-granular polystyrene of waterproof fireproofing according to claim 2
Method, it is characterised in that K in step b2S2O8Solution concentration is 1-3%.
A kind of 5. preparation of the compound thermal insulation mortar of wheat stalk-granular polystyrene of waterproof fireproofing according to claim 2
Method, it is characterised in that aqueous epoxy resin emulsion is emulsion type epoxy resin adhesive liquid or water-soluble epoxy resin glue in step c
Liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202701.3A CN107721290A (en) | 2017-11-27 | 2017-11-27 | Compound thermal insulation mortar of the wheat stalk granular polystyrene of a kind of waterproof fireproofing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202701.3A CN107721290A (en) | 2017-11-27 | 2017-11-27 | Compound thermal insulation mortar of the wheat stalk granular polystyrene of a kind of waterproof fireproofing and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107721290A true CN107721290A (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711202701.3A Pending CN107721290A (en) | 2017-11-27 | 2017-11-27 | Compound thermal insulation mortar of the wheat stalk granular polystyrene of a kind of waterproof fireproofing and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623217A (en) * | 2018-05-24 | 2018-10-09 | 合肥永泰新型建材有限公司 | A kind of cracking resistance heat insulation floor and preparation method thereof |
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| CN105060803A (en) * | 2015-07-27 | 2015-11-18 | 福州爱因新材料有限公司 | Cement-based binder having functions of moisture resistance and thermal insulation |
| CN106243660A (en) * | 2016-08-08 | 2016-12-21 | 梁冬 | A kind of waterproof ageing-resistant resin anchoring agent |
| CN106630756A (en) * | 2016-12-19 | 2017-05-10 | 钦州市科学技术开发中心 | Stone curing agent and preparation method thereof |
| CN107057393A (en) * | 2017-05-18 | 2017-08-18 | 宿州市逢源生物科技有限公司 | A kind of Fireproof fire retardation type biomass board of APP boric acid compounding and preparation method thereof |
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2017
- 2017-11-27 CN CN201711202701.3A patent/CN107721290A/en active Pending
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|---|---|---|---|---|
| WO2002006182A1 (en) * | 2000-07-14 | 2002-01-24 | Davco Construction Materials Pty Limited | Mortar composition and method |
| CN104261763A (en) * | 2014-09-21 | 2015-01-07 | 山东农业大学 | Glass bead and wheat straw composite thermal insulation mortar |
| CN105060803A (en) * | 2015-07-27 | 2015-11-18 | 福州爱因新材料有限公司 | Cement-based binder having functions of moisture resistance and thermal insulation |
| CN106243660A (en) * | 2016-08-08 | 2016-12-21 | 梁冬 | A kind of waterproof ageing-resistant resin anchoring agent |
| CN106630756A (en) * | 2016-12-19 | 2017-05-10 | 钦州市科学技术开发中心 | Stone curing agent and preparation method thereof |
| CN107057393A (en) * | 2017-05-18 | 2017-08-18 | 宿州市逢源生物科技有限公司 | A kind of Fireproof fire retardation type biomass board of APP boric acid compounding and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623217A (en) * | 2018-05-24 | 2018-10-09 | 合肥永泰新型建材有限公司 | A kind of cracking resistance heat insulation floor and preparation method thereof |
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Application publication date: 20180223 |
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