CN113025060A - Non-metal composite material curtain wall insulation board and preparation method thereof - Google Patents
Non-metal composite material curtain wall insulation board and preparation method thereof Download PDFInfo
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
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Abstract
The invention relates to the field of building materials, in particular to a non-metal composite material curtain wall insulation board which is made of a polyurethane/polystyrene pre-coated hollow glass bead foaming material, wherein the polyurethane/polystyrene pre-coated hollow glass bead foaming material is made of the following raw materials in parts by weight: 30-40 parts of polyurethane/polystyrene prepolymer emulsion, 20-25 parts of coupling agent modified hollow glass microspheres, 1-3 parts of glyceryl monostearate, 1-1.5 parts of cyclopentane, 0.1-0.2 part of foam stabilizer, 5-10 parts of inorganic fiber, 2-4 parts of decabromodiphenylethane and 0.5-1 part of antimony trioxide.
Description
Technical Field
The invention relates to the field of building materials, in particular to a non-metal composite material curtain wall insulation board.
Background
The curtain wall is an outer wall enclosure of a building, is not bearing, is a light wall with decorative effect commonly used by modern large and high-rise buildings, consists of a panel and a supporting structure system, can have certain displacement capacity or certain deformation capacity relative to a main structure, and does not bear the outer enclosure structure or decorative structure of the building (an outer wall frame type supporting system is also a curtain wall system) acted by the main structure.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the development trend, the invention provides a non-metal composite material curtain wall insulation board.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
a non-metal composite material curtain wall insulation board is made of polyurethane/polystyrene pre-coated hollow glass bead foaming materials.
Further, the polyurethane/polystyrene pre-coated hollow glass bead foaming material is prepared from the following raw materials in parts by weight:
30-40 parts of polyurethane/polystyrene prepolymer emulsion, 20-25 parts of coupling agent modified hollow glass beads, 1-3 parts of glyceryl monostearate, 1-1.5 parts of cyclopentane, 0.1-0.2 part of foam stabilizer, 5-10 parts of inorganic fiber, 2-4 parts of decabromodiphenylethane and 0.5-1 part of antimony trioxide.
Further, the preparation method of the polyurethane/polystyrene pre-polymerization emulsion comprises the following steps:
s1: drying and dehydrating polycarbonate diol, isophorone diisocyanate and dibutyltin dilaurate, adding the dried and dehydrated polycarbonate diol, adding the dried and dehydrated dimethylolpropionic acid into anhydrous butanone, heating to 70-80 ℃ under the protection of nitrogen, reacting for 20-30min, adding the dried and dehydrated dimethylolpropionic acid, continuing to react for 3-5h, cooling to 60-65 ℃, adding hydroxyethyl acrylate, reacting for 1h, cooling to 30-35 ℃, adjusting the pH of the system to 9-10 by triethylamine, adding deionized water, shearing and dispersing for 30-50min, and evaporating butanone under reduced pressure to obtain an emulsified system;
s2: and adding polystyrene into the emulsifying system, dripping an initiator solution, and reacting for 20-50min to obtain the polyurethane/polystyrene pre-polymerization emulsion.
Further, the mass ratio of the polycarbonate diol to the isophorone diisocyanate is 2.5-2.6: 1.
Further, the mass fraction of solids in the emulsifying system is 30-35%.
Further, the initiator solution is an aqueous solution of acyl peroxide or persulfate.
Further, the preparation method of the coupling agent modified hollow glass bead comprises the following steps:
drying and dehydrating hollow glass microspheres, adding the dehydrated hollow glass microspheres into absolute ethyl alcohol, ultrasonically oscillating for 20-30min, heating to 60-70 ℃, diluting a silane coupling agent with the absolute ethyl alcohol, dropwise adding the diluted silane coupling agent into a system, cooling to 30-40 ℃, dropwise adding deionized water, hydrolyzing for 5-10min, heating to reflux reaction for 1-5h, centrifuging, washing with water, and drying.
Further, the foam stabilizer is polyacrylamide or polyvinyl alcohol.
Further, the inorganic fiber is one or more of ceramic fiber, glass fiber, basalt fiber, carbon fiber and plant fiber.
The preparation method of the non-metal composite material curtain wall insulation board comprises the following steps:
under ultrasonic oscillation, adding coupling agent modified hollow glass microspheres into polyurethane/polystyrene pre-polymerization emulsion, heating to 70-80 ℃ for secondary polymerization for 1-3h, cooling to 40-45 ℃, injecting into a mold, adding glyceryl monostearate, cyclopentane, a foam stabilizer, inorganic fibers, decabromodiphenylethane and antimony trioxide, foaming the mold in a 50-60 ℃ oven for 3-5min, demolding, drying in a 60-80 ℃ oven for 10-20h, taking out, naturally curing for 20-25h to obtain the polyurethane/polystyrene pre-coated hollow glass microsphere foam material, and finally polishing and cutting the surface of the polyurethane/polystyrene pre-coated hollow glass microsphere foam material to obtain the non-metal composite material curtain wall insulation board.
The invention has the beneficial effects that:
polystyrene has the advantages of higher strength and low cost, but is brittle and poor in toughness, and is not suitable for being used as a curtain wall material, polyurethane has a special soft and hard section microphase structure, not only has the flexibility of rubber, but also has the rigidity of plastic, polyurethane/polystyrene copolymerization foaming is carried out in the application, the defects of the polystyrene material are well overcome, an air cavity formed by foaming and a hollow cavity inside hollow glass beads form a multi-layer heat insulation structure, the heat insulation performance of the heat insulation plate is improved, the hollow glass beads after passing through a coupling agent have better dispersibility in the material preparation process, active groups introduced due to modification on the surfaces of the hollow glass beads form chemical bonds with functional groups in emulsion, the agglomeration phenomenon of the hollow glass beads in the foaming process is avoided, the strength of the heat insulation plate is also improved, decabromodiphenylethane is used as a broad-spectrum additive flame retardant with high efficiency, the heat insulation board prepared by the method has the advantages of small density, high strength, excellent heat insulation performance, heat insulation and flame retardance, water resistance and moisture resistance, and wide application prospect.
Drawings
Fig. 1 is a non-metallic composite material curtain wall insulation board prepared in embodiment 1 of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a non-metal composite material curtain wall heat-insulating board is made of polyurethane/polystyrene pre-coated hollow glass bead foaming material.
The polyurethane/polystyrene pre-coated hollow glass bead foaming material is prepared from the following raw materials:
350g of polyurethane/polystyrene prepolymer emulsion, 200g of coupling agent modified hollow glass microspheres, 20g of glyceryl monostearate, 10g of cyclopentane, 1g of polyvinyl alcohol, 100g of basalt fibers, 20g of decabromodiphenylethane and 5g of antimony trioxide.
The preparation method of the non-metal composite material curtain wall insulation board comprises the following steps:
under ultrasonic oscillation, adding coupling agent modified hollow glass microspheres into polyurethane/polystyrene pre-polymerization emulsion, heating to 80 ℃, performing secondary polymerization for 2h, cooling to 40 ℃, injecting into a mold, adding glycerin monostearate, cyclopentane, polyvinyl alcohol, basalt fiber, decabromodiphenylethane and antimony trioxide, foaming the mold in a 50 ℃ oven for 3-min, demolding, drying in a 70 ℃ oven for 10h, taking out, naturally curing for 24h to obtain a polyurethane/polystyrene pre-coated hollow glass microsphere foaming material, and finally polishing and cutting the surface of the polyurethane/polystyrene pre-coated hollow glass microsphere foaming material to obtain the non-metal composite material curtain wall insulation board.
The preparation method of the polyurethane/polystyrene pre-polymerization emulsion comprises the following steps:
250g of polycarbonate diol, 100g of isophorone diisocyanate and 1g of dibutyltin dilaurate are dried and dehydrated, then added into 1L of anhydrous butanone, heated to 70 ℃ under the protection of nitrogen gas for reaction for 25min, then 10g of dried and dehydrated dimethylolpropionic acid is added, the reaction is continued for 5h, 5g of hydroxyethyl acrylate is added after the temperature is reduced to 65 ℃ for reaction for 1h, then the temperature is reduced to 35 ℃, the pH value of the system is adjusted to 9 by triethylamine, 2L of deionized water is added for shearing and dispersing for 30min, the butanone is evaporated under reduced pressure, an emulsification system with the solid mass fraction of 30% is obtained, 200g of polystyrene is added into the emulsification system, 5% of potassium persulfate solution is added dropwise, and the reaction is carried out for 40min after the dropwise addition, so that the polyurethane/polystyrene pre-polymerization emulsion is obtained.
The preparation method of the coupling agent modified hollow glass bead comprises the following steps:
drying and dehydrating 200g of hollow glass microspheres, adding the dried and dehydrated hollow glass microspheres into 2L of absolute ethyl alcohol, ultrasonically oscillating for 30min, heating to 65 ℃, diluting 10g of silane coupling agent with 100mL of absolute ethyl alcohol, dropwise adding the diluted solution into a system, cooling to 30-40 ℃, dropwise adding 5mL of deionized water, hydrolyzing for 5min, heating to reflux reaction for 2h, centrifuging, washing with water, and drying.
Example 2:
a non-metal composite material curtain wall heat-insulating board is made of polyurethane/polystyrene pre-coated hollow glass bead foaming material.
The polyurethane/polystyrene pre-coated hollow glass bead foaming material is prepared from the following raw materials:
400g of polyurethane/polystyrene pre-polymerization emulsion, 250g of coupling agent modified hollow glass microspheres, 30g of glyceryl monostearate, 15g of cyclopentane, 2g of polyvinyl alcohol, 100g of basalt fibers, 20g of decabromodiphenyl ethane and 5g of antimony trioxide.
The preparation method of the non-metal composite material curtain wall insulation board comprises the following steps:
under ultrasonic oscillation, adding coupling agent modified hollow glass microspheres into polyurethane/polystyrene pre-polymerization emulsion, heating to 80 ℃, performing secondary polymerization for 2h, cooling to 40 ℃, injecting into a mold, adding glycerin monostearate, cyclopentane, polyvinyl alcohol, basalt fiber, decabromodiphenylethane and antimony trioxide, foaming the mold in a 50 ℃ oven for 3-min, demolding, drying in a 70 ℃ oven for 10h, taking out, naturally curing for 24h to obtain a polyurethane/polystyrene pre-coated hollow glass microsphere foaming material, and finally polishing and cutting the surface of the polyurethane/polystyrene pre-coated hollow glass microsphere foaming material to obtain the non-metal composite material curtain wall insulation board.
The preparation method of the polyurethane/polystyrene pre-polymerization emulsion comprises the following steps:
250g of polycarbonate diol, 100g of isophorone diisocyanate and 1g of dibutyltin dilaurate are dried and dehydrated, then added into 1L of anhydrous butanone, heated to 70 ℃ under the protection of nitrogen gas for reaction for 25min, then 10g of dried and dehydrated dimethylolpropionic acid is added, the reaction is continued for 5h, 5g of hydroxyethyl acrylate is added after the temperature is reduced to 65 ℃ for reaction for 1h, then the temperature is reduced to 35 ℃, the pH value of the system is adjusted to 9 by triethylamine, 2L of deionized water is added for shearing and dispersing for 30min, the butanone is evaporated under reduced pressure, an emulsification system with the solid mass fraction of 30% is obtained, 200g of polystyrene is added into the emulsification system, 5% of potassium persulfate solution is added dropwise, and the reaction is carried out for 40min after the dropwise addition, so that the polyurethane/polystyrene pre-polymerization emulsion is obtained.
The preparation method of the coupling agent modified hollow glass bead comprises the following steps:
the preparation method comprises the steps of drying and dehydrating 250g of hollow glass microspheres, adding the dried and dehydrated hollow glass microspheres into 2L of absolute ethyl alcohol, heating to 65 ℃ after ultrasonic oscillation for 30min, diluting 10g of silane coupling agent with 100mL of absolute ethyl alcohol, adding the diluted solution into a system dropwise, cooling to 30-40 ℃, adding 5mL of deionized water dropwise, hydrolyzing for 5min, heating to reflux reaction for 2h, centrifuging, washing with water, and drying.
Example 3:
a non-metal composite material curtain wall heat-insulating board is made of polyurethane/polystyrene pre-coated hollow glass bead foaming material.
The polyurethane/polystyrene pre-coated hollow glass bead foaming material is prepared from the following raw materials:
380g of polyurethane/polystyrene prepolymer emulsion, 230g of coupling agent modified hollow glass microspheres, 10g of glyceryl monostearate, 12g of cyclopentane, 1.5g of polyvinyl alcohol, 50g of basalt fibers, 20g of decabromodiphenyl ethane and 5g of antimony trioxide.
The preparation method of the non-metal composite material curtain wall insulation board comprises the following steps:
under ultrasonic oscillation, adding coupling agent modified hollow glass microspheres into polyurethane/polystyrene pre-polymerization emulsion, heating to 80 ℃, performing secondary polymerization for 2h, cooling to 40 ℃, injecting into a mold, adding glycerin monostearate, cyclopentane, polyvinyl alcohol, basalt fiber, decabromodiphenylethane and antimony trioxide, foaming the mold in a 50 ℃ oven for 3-min, demolding, drying in a 70 ℃ oven for 10h, taking out, naturally curing for 24h to obtain a polyurethane/polystyrene pre-coated hollow glass microsphere foaming material, and finally polishing and cutting the surface of the polyurethane/polystyrene pre-coated hollow glass microsphere foaming material to obtain the non-metal composite material curtain wall insulation board.
The preparation method of the polyurethane/polystyrene pre-polymerization emulsion comprises the following steps:
250g of polycarbonate diol, 100g of isophorone diisocyanate and 1g of dibutyltin dilaurate are dried and dehydrated, then added into 1L of anhydrous butanone, heated to 70 ℃ under the protection of nitrogen gas for reaction for 25min, then 10g of dried and dehydrated dimethylolpropionic acid is added, the reaction is continued for 5h, 5g of hydroxyethyl acrylate is added after the temperature is reduced to 65 ℃ for reaction for 1h, then the temperature is reduced to 35 ℃, the pH value of the system is adjusted to 9 by triethylamine, 2L of deionized water is added for shearing and dispersing for 30min, the butanone is evaporated under reduced pressure, an emulsification system with the solid mass fraction of 30% is obtained, 200g of polystyrene is added into the emulsification system, 5% of potassium persulfate solution is added dropwise, and the reaction is carried out for 40min after the dropwise addition, so that the polyurethane/polystyrene pre-polymerization emulsion is obtained.
The preparation method of the coupling agent modified hollow glass bead comprises the following steps:
drying and dehydrating 220g of hollow glass microspheres, adding the dried and dehydrated hollow glass microspheres into 2L of absolute ethyl alcohol, ultrasonically oscillating for 30min, heating to 65 ℃, diluting 10g of silane coupling agent with 100mL of absolute ethyl alcohol, dropwise adding the diluted solution into a system, cooling to 30-40 ℃, dropwise adding 5mL of deionized water, hydrolyzing for 5min, heating to reflux reaction for 2h, centrifuging, washing with water, and drying.
Comparative example 1:
substantially the same as in example 1, except that the coupling agent-modified hollow glass beads were replaced with ordinary hollow glass beads without being subjected to a coupling agent modification treatment.
Comparative example 2:
essentially the same as in example 1, except that the polyurethane/polystyrene pre-polymer emulsion was replaced with a polyurethane emulsion (brand: DSM Dismann, model: NeoPac E-106).
Comparative example 3:
essentially the same as in example 1, except that the polyurethane/polystyrene pre-polymer emulsion was replaced with a polyurethane emulsion.
The preparation method of the polyurethane emulsion comprises the following steps:
drying and dehydrating 250g of polycarbonate diol, 100g of isophorone diisocyanate and 1g of dibutyltin dilaurate, adding the dried and dehydrated polycarbonate diol, 1L of anhydrous butanone, heating to 70 ℃ under the protection of nitrogen, reacting for 25min, adding 10g of dried and dehydrated dimethylolpropionic acid, continuing to react for 5h, cooling to 65 ℃, adding 5g of hydroxyethyl acrylate, reacting for 1h, cooling to 35 ℃, adjusting the pH of the system to 9 with triethylamine, adding 2L of deionized water, shearing and dispersing for 30min, and evaporating butanone under reduced pressure to obtain the polyurethane emulsion with the solid mass fraction of 30%.
Comparative example 4:
essentially the same as in example 1, except that the polyurethane/polystyrene pre-emulsion was replaced by a polystyrene emulsion (brand: brand new, type: Viscopol 6180).
Comparative example 5:
essentially the same as example 1, except that glycerol monostearate was not added.
Comparative example 6:
substantially the same as in example 1 except that basalt fiber was not added.
Performance testing
The performance of the insulation boards prepared in the embodiments 1 to 3 and the comparative examples 1 to 6 is tested, wherein the density is tested according to the GB/T6343-2009 standard: the compression strength is tested according to the GB/T8813-2008 standard; the thermal conductivity is tested according to the GB10294-2008 standard: the oxygen index is tested according to GB/T2406-2008 standard, the hydrophobic rate is tested according to GB/T10299-2011 insulating material hydrophobicity test method, and the results are shown in Table 1:
table 1:
as can be seen from the table 1, the insulation board prepared by the method has the advantages of low density, high strength, excellent insulation performance, heat insulation, flame retardance, water resistance, moisture resistance and wide application prospect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. A non-metal composite material curtain wall insulation board is characterized by being made of polyurethane/polystyrene pre-coated hollow glass bead foaming materials.
2. The non-metallic composite material curtain wall insulation board according to claim 1, wherein the polyurethane/polystyrene pre-coated hollow glass bead foaming material is prepared from the following raw materials in parts by weight:
30-40 parts of polyurethane/polystyrene prepolymer emulsion, 20-25 parts of coupling agent modified hollow glass beads, 1-3 parts of glyceryl monostearate, 1-1.5 parts of cyclopentane, 0.1-0.2 part of foam stabilizer, 5-10 parts of inorganic fiber, 2-4 parts of decabromodiphenylethane and 0.5-1 part of antimony trioxide.
3. The non-metallic composite curtain wall insulation board according to claim 2, wherein the preparation method of the polyurethane/polystyrene pre-polymerization emulsion comprises the following steps:
s1: drying and dehydrating polycarbonate diol, isophorone diisocyanate and dibutyltin dilaurate, adding the dried and dehydrated polycarbonate diol, adding the dried and dehydrated dimethylolpropionic acid into anhydrous butanone, heating to 70-80 ℃ under the protection of nitrogen, reacting for 20-30min, adding the dried and dehydrated dimethylolpropionic acid, continuing to react for 3-5h, cooling to 60-65 ℃, adding hydroxyethyl acrylate, reacting for 1h, cooling to 30-35 ℃, adjusting the pH of the system to 9-10 by triethylamine, adding deionized water, shearing and dispersing for 30-50min, and evaporating butanone under reduced pressure to obtain an emulsified system;
s2: and adding polystyrene into the emulsifying system, dripping an initiator solution, and reacting for 20-50min to obtain the polyurethane/polystyrene pre-polymerization emulsion.
4. The non-metallic composite material curtain wall insulation board according to claim 3, wherein the mass ratio of the polycarbonate diol to the isophorone diisocyanate is 2.5-2.6: 1.
5. The non-metallic composite curtain wall insulation board according to claim 3, wherein the mass fraction of solids in the emulsification system is 30-35%.
6. The non-metallic composite curtain wall insulation board of claim 3, wherein the initiator solution is an aqueous solution of an acyl peroxide or an aqueous solution of persulfate.
7. The non-metallic composite material curtain wall insulation board according to claim 2, wherein the preparation method of the coupling agent modified hollow glass beads comprises the following steps:
drying and dehydrating hollow glass microspheres, adding the dehydrated hollow glass microspheres into absolute ethyl alcohol, ultrasonically oscillating for 20-30min, heating to 60-70 ℃, diluting a silane coupling agent with the absolute ethyl alcohol, dropwise adding the diluted silane coupling agent into a system, cooling to 30-40 ℃, dropwise adding deionized water, hydrolyzing for 5-10min, heating to reflux reaction for 1-5h, centrifuging, washing with water, and drying.
8. The non-metallic composite curtain wall insulation board of claim 2, wherein the foam stabilizer is polyacrylamide or polyvinyl alcohol.
9. The non-metallic composite curtain wall insulation board of claim 2, wherein the inorganic fiber is one or a combination of more of ceramic fiber, glass fiber, basalt fiber, carbon fiber and plant fiber.
10. The preparation method of the non-metal composite material curtain wall insulation board according to claims 2 to 9 is characterized by comprising the following steps:
under ultrasonic oscillation, adding coupling agent modified hollow glass microspheres into polyurethane/polystyrene pre-polymerization emulsion, heating to 70-80 ℃ for secondary polymerization for 1-3h, cooling to 40-45 ℃, injecting into a mold, adding glyceryl monostearate, cyclopentane, a foam stabilizer, inorganic fibers, decabromodiphenylethane and antimony trioxide, foaming the mold in a 50-60 ℃ oven for 3-5min, demolding, drying in a 60-80 ℃ oven for 10-20h, taking out, naturally curing for 20-25h to obtain the polyurethane/polystyrene pre-coated hollow glass microsphere foam material, and finally polishing and cutting the surface of the polyurethane/polystyrene pre-coated hollow glass microsphere foam material to obtain the non-metal composite material curtain wall insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331199.6A CN113025060B (en) | 2021-03-26 | 2021-03-26 | Non-metal composite material curtain wall insulation board and preparation method thereof |
Applications Claiming Priority (1)
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