CN104529219B - Cement foam stabilizing agent, cement composition thereof and application method thereof - Google Patents
Cement foam stabilizing agent, cement composition thereof and application method thereof Download PDFInfo
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- 239000004568 cement Substances 0.000 title claims abstract description 67
- 239000000203 mixture Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 6
- 239000004872 foam stabilizing agent Substances 0.000 title description 2
- 239000006260 foam Substances 0.000 claims abstract description 34
- 239000003381 stabilizer Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 7
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000011398 Portland cement Substances 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 150000004645 aluminates Chemical class 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 230000018044 dehydration Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 239000004793 Polystyrene Substances 0.000 abstract description 7
- 229920002223 polystyrene Polymers 0.000 abstract description 7
- 239000006261 foam material Substances 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 abstract description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 abstract 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 abstract 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 abstract 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000005642 Oleic acid Substances 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 abstract 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 abstract 1
- 235000017557 sodium bicarbonate Nutrition 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 12
- 125000000753 cycloalkyl group Chemical group 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000004566 building material Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
本发明公开了一种水泥稳泡剂，其结构式为：其中R1与R2为含有3‑10碳原子数的烷基，R表示分子骨架。本发明还公布了基于水泥稳泡剂的水泥组合物：按质量百分比包括如下组分：水泥35％～50％；聚乙烯醇5‑15％；减水剂4‑10％；稳泡剂1‑10％；碳酸氢钠1‑8％；油酸1～5％；聚苯乙烯粉末5‑10％；水10‑30％。本发明提供的水泥稳定剂具有更好的稳定泡孔形态大小和力学性能的功能，保持泡孔强韧的同时还增强了水泥发泡材料体系扽强度，本发明提供的水泥组合物容重小，导热系数小，密度小，强度高并且不燃。
The invention discloses a cement foam stabilizer, the structural formula of which is: Wherein R1 and R2 are alkyl groups containing 3-10 carbon atoms, and R represents a molecular skeleton. The present invention also discloses a cement composition based on a cement foam stabilizer: comprising the following components in terms of mass percentage: 35% to 50% of cement; 5-15% of polyvinyl alcohol; 4-10% of water reducing agent; 1 foam stabilizer ‑10%; sodium bicarbonate 1‑8%; oleic acid 1-5%; polystyrene powder 5‑10%; water 10‑30%. The cement stabilizer provided by the invention has a better function of stabilizing the shape and mechanical properties of the cells, while maintaining the toughness of the cells, it also enhances the strength of the cement foam material system. The cement composition provided by the invention has a small bulk density and a thermal conductivity. Small, low density, high strength and non-combustible.
Description
技术领域technical field
本发明属于建筑材料领域，涉及一种水泥发泡材料，具体是涉及一种含有环烷烃分子骨架稳泡剂及其发泡水泥组合物，它是一种轻质、隔热、保温建筑材料。The invention belongs to the field of building materials, and relates to a cement foaming material, in particular to a foam stabilizer containing a cycloalkane molecular skeleton and a foaming cement composition thereof, which is a lightweight, heat-insulating and heat-insulating building material.
背景技术Background technique
随着建筑行业的发展和新兴的技术出现，对于新型的建筑材料有了新的需求，新技术和新材料支撑了这种发展。一直以来，人们希望建筑材料轻质，减少楼体的自重，可是目前，虽然有许多水泥发泡材料可以满足这种要求，但是受材料自身的限制，还难以达到有机材料轻质、无机材料高强的要求。并且有机材料自身燃点很低，难以克服易燃的缺陷，尤其是近年防火等级的提高，有机材料已经不能满足建筑的需要。对于高性能的墙体保温材料而言，其轻质的性能与水泥的结构有密切的关系，过大的泡孔势必导致力学性能的降低，过小的泡孔则导致容重过大，因此，控制发泡水泥泡孔结构对轻质材料的性能非常重要。With the development of the construction industry and the emergence of emerging technologies, there is a new demand for new building materials, and new technologies and materials support this development. For a long time, people hope that the building materials will be lightweight and reduce the weight of the building. However, although there are many cement foam materials that can meet this requirement, it is still difficult to achieve light organic materials and high strength inorganic materials due to the limitations of the materials themselves. requirements. Moreover, organic materials have a very low ignition point, and it is difficult to overcome the defect of flammability. Especially with the improvement of fire protection rating in recent years, organic materials can no longer meet the needs of buildings. For high-performance wall insulation materials, its lightweight performance is closely related to the structure of cement. Too large cells will inevitably lead to a decrease in mechanical properties, and too small cells will lead to excessive bulk density. Therefore, Controlling the cell structure of foamed cement is very important to the performance of lightweight materials.
早期采用松香衍生物作为稳泡剂，虽然它在气泡界面能提供适当的粘度，可以形成硬膜，起到了一定的稳定气泡的作用，但其分子结构的过大，使得水泥水化过程中强度受到影响；后期又采用蛋白质发泡剂，蛋白发泡剂是属于高分子化合物，虽然弹性较好，气泡的膜强韧，可是在保持水泥强度方面仍然存在不足。因此迫切需要开发性能更加稳定、结构更加贴合水泥结构骨架的稳泡剂，这样才会使得水泥发泡材料保持轻质优点的同时也能有更高的强度。In the early days, rosin derivatives were used as foam stabilizers. Although it can provide appropriate viscosity at the bubble interface, form a hard film, and play a certain role in stabilizing the bubbles, its molecular structure is too large, which makes the cement hydration process stronger. Affected; in the later stage, protein foaming agent was used. Protein foaming agent is a polymer compound. Although the elasticity is good and the membrane of the bubble is strong, there are still deficiencies in maintaining the strength of the cement. Therefore, it is urgent to develop a foam stabilizer with more stable performance and a more suitable structure for the cement structure skeleton, so that the cement foam material can maintain the advantages of light weight and also have higher strength.
发明内容Contents of the invention
发明目的：为了克服现有技术中存在的不足，本发明提供一种能够保持水泥发泡材料保持质轻且更高强度的水泥稳定剂。Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a cement stabilizer capable of keeping the cement foam material light in weight and higher in strength.
本发明的另一目的是提供基玩具述水泥稳定剂的水泥组合物及其应用方法。Another object of the present invention is to provide a cement composition based on the above cement stabilizer and an application method thereof.
技术方案：为实现上述目的，本发明提供的一种水泥稳泡剂，其结构式为：Technical solution: In order to achieve the above purpose, the invention provides a cement foam stabilizer, whose structural formula is:
其中R1与R2为含有3-10碳原子数的烷基，R表示碳分子骨架。 Wherein R1 and R2 are alkyl groups containing 3-10 carbon atoms, and R represents a carbon molecular skeleton.
进一步地，所述R表示分子骨架包括小分子。Further, the R indicates that the molecular framework includes small molecules.
进一步地，所述R表示分子骨架包括高分子。Further, the R indicates that the molecular skeleton includes a polymer.
上述的水泥稳泡剂的制备方法，其反应过程如下：The preparation method of above-mentioned cement foam stabilizer, its reaction process is as follows:
其中反应条件为：和按1：1的摩尔比进行加成反应， Wherein the reaction condition is: and The addition reaction was carried out at a molar ratio of 1:1,
然后，上述反应所得单体再与端基含有异氰酸酯NCO-R-NCO反应获得有如下结构的物质Then, the monomer obtained from the above reaction reacts with the terminal group containing isocyanate NCO-R-NCO to obtain a substance with the following structure
其中反应条件为：两者按1:1的摩尔比进行脱水反应。Wherein the reaction conditions are: the two are subjected to dehydration reaction at a molar ratio of 1:1.
基于上述的水泥稳泡剂的发泡水泥组合物，按质量百分比由以下组分组成：The foam cement composition based on above-mentioned cement foam stabilizer, is made up of following components by mass percentage:
上述的水泥稳泡剂的发泡水泥组合物，所述水泥包括：硅酸盐水泥、磷酸盐水泥或铝酸盐水泥中的任意一种或任意质量比的几种。The foaming cement composition of the above-mentioned cement foam stabilizer, the cement includes any one of Portland cement, phosphate cement or aluminate cement or several of them in any mass ratio.
上述的水泥稳泡剂的发泡水泥组合物，所述减水剂包括含有羧基基团的有机减水剂。In the foamed cement composition of the above-mentioned cement foam stabilizer, the water reducer includes an organic water reducer containing carboxyl groups.
上述的水泥稳泡剂的发泡水泥组合物的应用方法，按其质量比称取相应的组分，然后将其搅拌混合均匀，然后加入模具中，在65℃下，保温1小时，然后在移入蒸汽养护12小时即可The application method of the foamed cement composition of the above-mentioned cement foam stabilizer is to weigh the corresponding components according to their mass ratio, then stir and mix them evenly, then add them to the mold, keep them warm for 1 hour at 65°C, and then Move into steam curing for 12 hours
有益效果：本发明的创新点是将含有环烷烃骨架结构的稳泡剂加入到水泥基发泡材料，由于这种新合成的稳泡剂的内部含有异氰酸酯的结构，因此整个体系的硬度会有所提升，稳定泡沫效果与现有的稳泡剂相比，稳泡时间增加到1h，因内部还含有酯键，也易于和树脂结合，提高了体系的粘接强度，另外分子骨架刚度和柔度并济，因此对稳定泡孔结构更有优异的效果，其表现在泡孔的外观变小，泡孔直径在100微米左右。Beneficial effects: the innovation of the present invention is to add the foam stabilizer containing cycloalkane skeleton structure to the cement-based foam material. Since the newly synthesized foam stabilizer contains isocyanate structure inside, the hardness of the whole system will be reduced. Compared with the existing foam stabilizer, the foam stabilization time is increased to 1h. Because it contains ester bonds inside, it is also easy to combine with the resin, which improves the bonding strength of the system. In addition, the molecular skeleton rigidity and flexibility Therefore, it has an excellent effect on stabilizing the cell structure, which is reflected in the smaller appearance of the cells, and the cell diameter is about 100 microns.
附图说明Description of drawings
图1是水泥稳定剂的分子结构式。Figure 1 is the molecular structural formula of cement stabilizer.
图2是是水泥稳定剂分子单体的合成化学反应式。Fig. 2 is the synthesis chemical reaction formula of cement stabilizer molecular monomer.
具体实施方式detailed description
下面结合实施例对本发明作更进一步的说明。Below in conjunction with embodiment the present invention will be further described.
如图1所示，图1是水泥稳定剂的分子结构式，图2是是水泥稳定剂分子单体的合成化学反应式。As shown in Figure 1, Figure 1 is the molecular structural formula of the cement stabilizer, and Figure 2 is the synthetic chemical reaction formula of the cement stabilizer molecular monomer.
实施例1：Example 1:
一种含有环烷烃骨架结构的发泡水泥组合物，它是由如下的组合物组成，其组合物和质量百分比为：A kind of foam cement composition containing cycloalkane skeleton structure, it is made up of following composition, and its composition and mass percent are:
所述的聚苯乙烯是粒径为3微米的颗粒。The polystyrene is a particle with a particle size of 3 microns.
所述稳泡剂结构为:Described foam stabilizer structure is:
实施例1效果见表1。Embodiment 1 effect is shown in Table 1.
表1Table 1
实施例2：Example 2:
一种含有环烷烃骨架结构的发泡水泥组合物，它是由如下的组合物组成，其组合物和质量百分比为：A kind of foam cement composition containing cycloalkane skeleton structure, it is made up of following composition, and its composition and mass percent are:
所述的聚苯乙烯是粒径为6微米的颗粒。The polystyrene is a particle with a particle size of 6 microns.
所述稳泡剂结构为:Described foam stabilizer structure is:
实施例2效果见表2。Embodiment 2 effect is shown in Table 2.
表2Table 2
实施例3：Example 3:
一种含有环烷烃骨架结构的发泡水泥组合物，它是由如下的组合物组成，其组合物和质量百分比为：A kind of foam cement composition containing cycloalkane skeleton structure, it is made up of following composition, and its composition and mass percent are:
所述的聚苯乙烯是粒径为13微米的颗粒。The polystyrene is a particle with a particle size of 13 microns.
所述稳泡剂结构为:Described foam stabilizer structure is:
实施例3效果见表3。Embodiment 3 effect is shown in Table 3.
表3table 3
实施例4：Example 4:
一种含有环烷烃骨架结构的发泡水泥组合物，它是由如下的组合物组成，其组合物和质量百分比为：A kind of foam cement composition containing cycloalkane skeleton structure, it is made up of following composition, and its composition and mass percent are:
所述的水泥包括：硅酸盐水泥和磷酸盐水泥混合物，质量比为硅酸盐水泥：磷酸盐水泥＝1:5。The cement includes: a mixture of Portland cement and phosphate cement, and the mass ratio is Portland cement:phosphate cement=1:5.
所述的聚苯乙烯是粒径为8微米的颗粒。The polystyrene is a particle with a particle size of 8 microns.
所述稳泡剂结构为:Described foam stabilizer structure is:
实施例4效果见表4。Embodiment 4 effect is shown in Table 4.
表4Table 4
实施例5：Example 5:
一种含有环烷烃骨架结构的发泡水泥组合物，它是由如下的组合物组成，其组合物和质量百分比为：A kind of foam cement composition containing cycloalkane skeleton structure, it is made up of following composition, and its composition and mass percent are:
所述水泥包括：硅酸盐水泥，磷酸盐水泥和铝酸盐水泥按3:1:5质量比混合。The cement includes Portland cement, phosphate cement and aluminate cement mixed in a mass ratio of 3:1:5.
所述的聚苯乙烯是粒径为5微米的颗粒。The polystyrene is a particle with a particle size of 5 microns.
所述稳泡剂结构为:Described foam stabilizer structure is:
实施例5效果见表5。Embodiment 5 effect is shown in Table 5.
表5table 5
实施例6：Embodiment 6:
一种含有环烷烃骨架结构的发泡水泥组合物，它是由如下的组合物组成，其组合物和质量百分比为：A kind of foam cement composition containing cycloalkane skeleton structure, it is made up of following composition, and its composition and mass percent are:
所述的水泥包括：硅酸盐水泥和铝酸盐水泥按质量比为5:1的混合物。The cement includes: a mixture of Portland cement and aluminate cement at a mass ratio of 5:1.
所述减水剂包括含有羧基基团的有机减水剂。The water reducer includes an organic water reducer containing carboxyl groups.
所述的聚苯乙烯是粒径为0.5微米的颗粒。The polystyrene is a particle with a particle size of 0.5 microns.
所述稳泡剂结构为:Described foam stabilizer structure is:
实施例6效果见表6。Embodiment 6 effect is shown in Table 6.
表6Table 6
以上所述仅是本发明的优选实施方式，应当指出：对于本技术领域的技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be It is regarded as the protection scope of the present invention.
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