CN101786817A - Inorganic surface treatment agent for polystyrene foam particles and preparation method thereof - Google Patents

Inorganic surface treatment agent for polystyrene foam particles and preparation method thereof Download PDF

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Publication number
CN101786817A
CN101786817A CN201010028919A CN201010028919A CN101786817A CN 101786817 A CN101786817 A CN 101786817A CN 201010028919 A CN201010028919 A CN 201010028919A CN 201010028919 A CN201010028919 A CN 201010028919A CN 101786817 A CN101786817 A CN 101786817A
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China
Prior art keywords
polystyrene foam
foam particles
surface treatment
water
treatment agent
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CN201010028919A
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Chinese (zh)
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CN101786817B (en
Inventor
余剑英
胡亮
秦靓
许星鑫
黄永方
李志超
张恒龙
况栋梁
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GEZHOUBA WUHAN ROAD MATERIALS CO., LTD.
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Wuhan University of Technology WUT
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    • 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
    • C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/10—Treatment for enhancing the mixability with the mortar
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • C04B20/1077—Cements, e.g. waterglass
    • C04B20/1085—Waterglass

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

The invention relates to an inorganic surface treatment agent for polystyrene foam particles and a preparation method thereof. The inorganic surface treatment agent for the polystyrene foam particles is characterized by being prepared from the following materials in portions by weight: 100 portions of soluble glass, 0.5-2.5 portions of modifying agent and 50-100 portions of water. The inorganic surface treatment agent for the polystyrene foam particles of the invention has low cost; the polystyrene foam particles treated by the surface treatment agent has good compatibility with an inorganic gelling material, thereby being capable of reducing the density difference between the polystyrene foam particles and the inorganic gelling material; and the cement polystyrene foam particle thermal insulation mortar prepared from the treated polystyrene foam particles has good constructability, the upward floating phenomenon of the polystyrene foam particles can not occur, and the thermal insulation mortar has high bonding strength with the basement layer and high compression strength.

Description

A kind of inorganic surface treatment agent for polystyrene foam particles and preparation method thereof
Technical field
The invention belongs to organic-inorganic compound insulating material technical field in the building energy conservation engineering, be specifically related to a kind of inorganic surface treatment agent for polystyrene foam particles and preparation method thereof.
Background technology
In building energy conservation, exterior wall and roof heat insulation are the main bodys of building energy conservation.At present, exterior wall and roofing heat insulating material commonly used mainly contain: inorganic heat insulation material, as vitrified microsphere insulating material, expanded perlite thermal-nsulation material, expanded vermiculite lagging material and cellular concrete etc.; Organic insulation material is as polystyrene foamed warming plate, extruded polystyrene warming plate, polyurathamc etc.; Organic-inorganic compound insulating material such as cement and polystyrene vinyl foam particle composite thermal insulation material.
In the above-mentioned lagging material, the inorganic heat insulation material good endurance, but its water-intake rate is big, and suction back thermal conductivity sharply reduces; Organic insulation material such as polystyrene thermal insulation plate heat-insulating property are good, but are not suitable for the irregular construction site insulation of profile, and especially bad adhesion between basic unit and the warming plate in use easily comes off, and polyurathamc is the cost height then, and construction is complicated; And cement and polystyrene vinyl foam particle composite thermal insulation material is as heat preserving aggregate with primary or regenerated polystyrene foam beads; and add an amount of binding agent; form by the suitable proportion mixed preparing; owing to adopt in-place forming; in construction process, can not be subjected to the constraint of architectural appearance; the construction good integrity; there is not seam in lagging material after the curing; the heat bridge of both having avoided seam to cause; prevented the improper disadvantage easy to crack that causes of warming plate seam again; simultaneously can adopt the waste old polystyrene foamed plastic of recovery is raw material; cost is low; and help environment protection, and realized that in addition external wall outer insulation does not have cavity system way, stopped the destruction of the particularly negative blast of blast to the Highrise buildings thermal insulation layer.Based on these advantages, cement and polystyrene vinyl foam granule insulating material is used comparatively extensive in China's exterior wall and roofing energy conservation project.Yet, cement and polystyrene vinyl foam granule insulating material is also found many problems in actual applications, mainly show as: polystyrene foam particles belongs to organic polymer material, big with the density variation of inorganic coagulation material, expanded polystyrene particle easily floats when mixing and stirring, the lagging material workability is poor, even more serious is that polystyrene foam particles and inorganic coagulation material consistency are poor, bonding is bad between polystyrene foam particles and the inorganic coagulation material, cause lagging material intensity low, and with the bad adhesion of basic unit, when being applied to exterior wall heat-preserving system, hollowing appears easily, problem such as come off, thus the application of polystyrene foamed particle heat insulation mortar influenced, so that the use that is under an embargo in the part city.
For solving the problems referred to above that cement and polystyrene vinyl foam granule insulating material exists, some researchs adopt organic surface treatment agent such as p-poly-phenyl vinyl foam particle surfaces such as coupling agent, high polymer binder to handle, make its surface become wetting ability, thereby improve the consistency of polystyrene foam particles and inorganic coagulation material by hydrophobic nature.Though adopt these methods for the problem that solves the existence of cement and polystyrene vinyl foam granule insulating material certain effect to be arranged, because organic surface treatment agent price height, the polystyrene foam particles cost that causes handling increases greatly, is difficult to realize industrial applications.
Summary of the invention
The object of the present invention is to provide low inorganic surface treatment agent for polystyrene foam particles of a kind of cost and preparation method thereof, after the inorganic surface treatment agent for polystyrene foam particles p-poly-phenyl vinyl foam particle of this method preparation is handled, prepared cement and polystyrene vinyl foam particle composite thermal insulation material denseness increases, delamination degree reduces, workability is well improved, and ultimate compression strength and cohesive strength obviously increase.
To achieve these goals, technical scheme of the present invention is: a kind of inorganic surface treatment agent for polystyrene foam particles, it is characterized in that it is made up of water glass, properties-correcting agent and water, and the quality proportioning of each raw material is: 100 parts of water glass, 0.5～2.5 part of properties-correcting agent, 50～100 parts in water.
Described water glass is sodium silicate, and modulus is 2.3～3.3, and density is 1.30～1.50g/cm 3
Described properties-correcting agent is any one or any mixture that (contains any two kinds) more than two kinds in sodium tetraborate, potassium tetraborate, Sodium phosphate dibasic, Tripotassium phosphate, the tertiary sodium phosphate, and any is any proportioning when (containing any two kinds) more than two kinds and mixing.
The preparation method of above-mentioned a kind of inorganic surface treatment agent for polystyrene foam particles is characterized in that it comprises that step is as follows:
1) the quality proportioning by each raw material is: 100 parts of water glass, and 0.5～2.5 part of properties-correcting agent, 50～100 parts in water is chosen water glass, properties-correcting agent and water raw material, and is standby;
2) preparation of modifier solution: it is in 70～90 ℃ the water (described water is the part in the Total Water) that properties-correcting agent is joined the temperature that is equivalent to 8～20 times of properties-correcting agent mass fractions, and lasting the stirring dissolved fully until properties-correcting agent, promptly obtain modifier solution, standby;
3) water glass is dissolved in the remaining water, stirs, obtain the water glass diluting soln;
4) modifier solution is added in the water glass diluting soln, constantly stir in solution no agglomerate thing, solution becomes transparent till, promptly obtain inorganic surface treatment agent for polystyrene foam particles.
Inorganic surface treatment agent for polystyrene foam particles p-poly-phenyl vinyl foam particle surface provided by the invention is handled, can significantly improve the consistency of polystyrene foam particles and inorganic coagulation material, reduce polystyrene foam particles and inorganic coagulation material density difference, effectively improve the workability of cement and polystyrene vinyl foam granule heat-insulating mortar, improve the cohesiveness and the thermal insulation mortar ultimate compression strength of thermal insulation mortar and basic unit, can avoid cement and polystyrene vinyl foam granule insulating material when exterior wall heat-preserving system is used, hollowing to occur, problem such as come off.
Beneficial effect of the present invention is as follows:
1) after inorganic surface treatment agent for polystyrene foam particles p-poly-phenyl vinyl foam particle provided by the invention is handled, prepared cement and polystyrene vinyl foam particle composite thermal insulation material denseness increases, delamination degree reduces, workability is well improved, and ultimate compression strength and cohesive strength obviously increase.
2) polystyrene foam particles surface treatment agent raw material sources provided by the invention are abundant, and are with low cost, use simply, to the increase of lagging material comprehensive cost seldom, are suitable for large-scale industrialization and apply.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
Embodiment 1:
2.5 parts of sodium tetraborates are dissolved in 25 parts of 80 ℃ of water, obtain sodium tetraborate solution (being modifier solution); Take by weighing sodium silicate solution (modulus 2.8, density 1.40g/cm 3) 100 parts (mass parts, down with), with 25 parts of water dilutions, the water glass solution that obtains diluting (or title water glass diluting soln); Join sodium tetraborate solution in the water glass solution at normal temperatures and be stirred to mixing solutions and become transparent, promptly obtain inorganic surface treatment agent for polystyrene foam particles.
12 parts of polystyrene foam particles are joined in the agitator kettle, stir at a slow speed.Take by weighing the inorganic surface treatment agent for polystyrene foam particles of 10 parts of above-mentioned preparations, evenly spray to the polystyrene foam particles surface, add 200 parts of cement then, 2 parts can be disperseed rubber powder MP2050,1 part of hydroxyethyl ether cellulose MH100001P6 and 1 part of trilobal cross polypropylene fibre mix and obtain dry blend, water mix with dry blend and 135 parts is mixed with cement and polystyrene vinyl foam particle composite thermal insulation material at last, The performance test results shows that this lagging material denseness is 80mm, delamination degree is 15mm, 28d ultimate compression strength is 1.5MPa, and the 28d tensile bond strength is 0.12MPa.
Simultaneous test: get 12 parts of the polystyrene foam particles of being untreated, can disperse rubber powder MP2050,1 part of hydroxyethyl ether cellulose MH100001P6 and 1 part of trilobal cross polypropylene fibre to mix with 200 parts of cement, 2 parts and obtain dry blend, water mix with dry blend and 135 parts is mixed with cement and polystyrene vinyl foam particle composite thermal insulation material then, The performance test results shows that this lagging material denseness is 74mm, delamination degree is 24mm, 28d ultimate compression strength is 1.2MPa, and the 28d tensile bond strength is 0.07MPa.
The foregoing description is compared with simultaneous test, can obviously find: after the inorganic surface treatment agent for polystyrene foam particles p-poly-phenyl vinyl foam particle among the employing embodiment is handled, prepared cement and polystyrene vinyl foam particle composite thermal insulation material denseness increases, delamination degree reduces, workability is well improved, ultimate compression strength and cohesive strength obviously increase, and can effectively avoid cement and polystyrene vinyl foam particle composite thermal insulation material hollowing to occur when exterior wall heat-preserving system is used, problem such as come off.
Embodiment 2:
1 part of sodium tetraborate, 1.5 parts of potassium tetraborates be dissolved in respectively in 25 parts, 85 ℃ the water, obtain composite modified agent solution.Take by weighing sodium silicate solution (modulus 2.5, density 1.36g/cm 3) 100 parts, with 25 parts of tap water dilutions, the water glass solution that obtains diluting.Join composite modified agent solution in the water glass solution at normal temperatures and be stirred to mixing solutions and become transparent, promptly obtain inorganic surface treatment agent for polystyrene foam particles.
12 parts of polystyrene foam particles are joined in the agitator kettle, stir at a slow speed.Take by weighing the inorganic surface treatment agent for polystyrene foam particles of 10 parts of above-mentioned preparations, evenly spray to the polystyrene foam particles surface, add 200 parts of cement then, 2 parts can be disperseed rubber powder MP2050,1 part of hydroxyethyl ether cellulose MH100001P6 and 1 part of trilobal cross polypropylene fibre mix and obtain dry blend, water mix with dry blend and 135 parts is mixed with cement and polystyrene vinyl foam particle composite thermal insulation material at last, The performance test results shows that this lagging material denseness is 82mm, delamination degree is 13mm, 28d ultimate compression strength 1.6MPa, 28d tensile bond strength 0.15MPa.
The foregoing description is compared with simultaneous test, can obviously find: after the inorganic surface treatment agent for polystyrene foam particles p-poly-phenyl vinyl foam particle among the employing embodiment is handled, prepared cement and polystyrene vinyl foam particle composite thermal insulation material denseness increases, delamination degree reduces, workability is well improved, ultimate compression strength and cohesive strength obviously increase, and can effectively avoid cement and polystyrene vinyl foam particle composite thermal insulation material hollowing to occur when exterior wall heat-preserving system is used, problem such as come off.
Embodiment 3:
2 parts of Sodium phosphate dibasics are dissolved in 20 parts, 75 ℃ the hot water, obtain disodium phosphate soln.Take by weighing sodium silicate solution (modulus 3.0, density 1.45g/cm 3) 100 parts (mass parts, down with), dilute the water glass solution that obtains diluting with 40 parts of tap water.Join disodium phosphate soln in the water glass solution at normal temperatures and be stirred to mixing solutions and become transparent, promptly obtain inorganic surface treatment agent for polystyrene foam particles.
12 parts of polystyrene foam particles are joined in the agitator kettle, stir at a slow speed.Take by weighing the inorganic surface treatment agent for polystyrene foam particles of 10 parts of above-mentioned preparations, evenly spray to the polystyrene foam particles surface, add 200 parts of cement then, 2 parts can be disperseed rubber powder MP2050,1 part of hydroxyethyl ether cellulose MH100001P6 and 1 part of trilobal cross polypropylene fibre mix and obtain dry blend, water mix with dry blend and 135 parts is mixed with cement and polystyrene vinyl foam particle composite thermal insulation material at last, The performance test results shows that this lagging material denseness is 80mm, delamination degree is 12mm, 28d ultimate compression strength 1.5MPa, 28d tensile bond strength 0.11MPa.
The foregoing description is compared with simultaneous test, can obviously find: after the inorganic surface treatment agent for polystyrene foam particles p-poly-phenyl vinyl foam particle among the employing embodiment is handled, prepared cement and polystyrene vinyl foam particle composite thermal insulation material denseness increases, delamination degree reduces, workability is well improved, ultimate compression strength and cohesive strength obviously increase, and can effectively avoid cement and polystyrene vinyl foam particle composite thermal insulation material hollowing to occur when exterior wall heat-preserving system is used, problem such as come off.
Embodiment 4:
A kind of preparation method of inorganic surface treatment agent for polystyrene foam particles, the step that comprises is as follows:
1) the quality proportioning by each raw material is: sodium silicate (modulus 3.3, density density 1.50g/cm 3) 100 parts, 1 part of Tripotassium phosphate, 1.5 parts of tertiary sodium phosphates, 100 parts in water is chosen water glass, Tripotassium phosphate, tertiary sodium phosphate and water, and is standby.
2) preparation of modifier solution: 1 part of Tripotassium phosphate, 1.5 parts of tertiary sodium phosphates joined respectively in 70 ℃ of water of 50 parts, and continue to stir and dissolve fully, promptly obtain modifier solution until Tripotassium phosphate, tertiary sodium phosphate, standby.
3) 100 parts of water glass are dissolved in remaining 50 parts of water, stirring obtains the water glass diluting soln.
4) modifier solution that will prepare joins in the water glass diluting soln, constantly stir in solution no agglomerate thing, solution becomes transparent till, promptly obtain the polystyrene foam particles surface treatment agent.
Embodiment 5:
A kind of preparation method of inorganic surface treatment agent for polystyrene foam particles, the step that comprises is as follows:
1) the quality proportioning by each raw material is: water glass (modulus 2.3, density density 1.30g/cm 3) 100 parts, 0.5 part of sodium tetraborate, 50 parts in water is chosen water glass, sodium tetraborate and water, and is standby.
2) preparation of modifier solution: 0.5 part of sodium tetraborate joined in 10 parts, 90 ℃ the water, and continue to stir, promptly obtain sodium tetraborate solution (being modifier solution) until dissolving fully, standby.
3) 100 parts of water glass are dissolved in 40 parts of water of residue, stirring obtains the water glass diluting soln.
4) the sodium tetraborate solution that will prepare joins in the water glass diluting soln, constantly stir in solution no agglomerate thing, solution becomes transparent till, promptly obtain inorganic surface treatment agent for polystyrene foam particles.
Each raw material that the present invention is cited, and the bound of each raw material of the present invention, interval value can both be realized the present invention, do not enumerate embodiment one by one at this.

Claims (4)

1. inorganic surface treatment agent for polystyrene foam particles is characterized in that it is made up of water glass, properties-correcting agent and water, and the quality proportioning of each raw material is: 100 parts of water glass, 0.5～2.5 part of properties-correcting agent, 50～100 parts in water.
2. a kind of inorganic surface treatment agent for polystyrene foam particles according to claim 1 is characterized in that: described water glass is sodium silicate, and modulus is 2.3～3.3, and density is 1.30～1.50g/cm 3
3. a kind of inorganic surface treatment agent for polystyrene foam particles according to claim 1, it is characterized in that: described properties-correcting agent is any one or any mixture more than two kinds in sodium tetraborate, potassium tetraborate, Sodium phosphate dibasic, Tripotassium phosphate, the tertiary sodium phosphate, and any is any proportioning when mixing more than two kinds.
4. the preparation method of a kind of inorganic surface treatment agent for polystyrene foam particles as claimed in claim 1 is characterized in that it comprises that step is as follows:
1) the quality proportioning by each raw material is: 100 parts of water glass, and 0.5～2.5 part of properties-correcting agent, 50～100 parts in water is chosen water glass, properties-correcting agent and water raw material, and is standby;
2) preparation of modifier solution: it is in 70～90 ℃ the water that properties-correcting agent is joined the temperature that is equivalent to 8～20 times of properties-correcting agent mass fractions, and continues to stir and dissolve fully until properties-correcting agent, promptly obtains modifier solution, standby;
3) water glass is dissolved in the remaining water, stirs, obtain the water glass diluting soln;
4) modifier solution is added in the water glass diluting soln, constantly stir in solution no agglomerate thing, solution becomes transparent till, promptly obtain inorganic surface treatment agent for polystyrene foam particles.
CN2010100289193A 2010-01-05 2010-01-05 Inorganic surface treatment agent for polystyrene foam particles and preparation method thereof Expired - Fee Related CN101786817B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102345328A (en) * 2011-06-02 2012-02-08 康胜利 New combined environmentally-friendly insulating material
CN106348630A (en) * 2016-08-23 2017-01-25 盐城工学院 Preparation method of silicon dioxide coated polystyrene foam particles
CN113831074A (en) * 2021-10-22 2021-12-24 武汉盛大长青建材有限公司 Light sound-insulation terrace slurry containing polyurethane particles, preparation method and light sound-insulation terrace

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1132225A (en) * 1995-03-28 1996-10-02 赵金良 Surface treatment agent for inorganic pigment and filler and its prepn. method
KR200370449Y1 (en) * 2004-06-22 2004-12-17 주식회사 엘지화학 Flooring having surface layer of synthetic resin and wood-based board

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102345328A (en) * 2011-06-02 2012-02-08 康胜利 New combined environmentally-friendly insulating material
CN106348630A (en) * 2016-08-23 2017-01-25 盐城工学院 Preparation method of silicon dioxide coated polystyrene foam particles
CN113831074A (en) * 2021-10-22 2021-12-24 武汉盛大长青建材有限公司 Light sound-insulation terrace slurry containing polyurethane particles, preparation method and light sound-insulation terrace

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