CN1069283A - High-effective water-proof heat-insulating powder and production technique thereof - Google Patents
High-effective water-proof heat-insulating powder and production technique thereof Download PDFInfo
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- CN1069283A CN1069283A CN 92108786 CN92108786A CN1069283A CN 1069283 A CN1069283 A CN 1069283A CN 92108786 CN92108786 CN 92108786 CN 92108786 A CN92108786 A CN 92108786A CN 1069283 A CN1069283 A CN 1069283A
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Abstract
A kind of high-effective water-proof heat-insulating powder and production technique thereof are core with the natural crystal particulate, coat one deck C on its surface
10Above lipid acid and composition thereof or silane are made coupling agent, and then coating one deck waxy compound is made hydrophober; Secondary coats and all carries out in the mixing tank of heated and stirred.Because double-coated, outer hydrophober can select freely that the hydrophobic ability is strong, chemical property stable, the macromolecular organic compound of acid and alkali-resistance and be not subjected to base to examine the chemical property effect of surperficial thing, and water-repellent layer and base nuclear surface bonding are very firm and complete, are difficult for destroyed.So product waterproof weather resistance of the present invention, watertightness and acid-fast alkali-proof all are improved largely.Present method technology is simple, can finish the course of processing in 30 minutes.
Description
Building water-proof, protection against the tide, heat insulation, lagging material have been the present invention relates to, specifically a kind of high-effective water-proof heat-insulating powder and production technique thereof.
At present, in waterproof construction, can be independently be that late nineteen eighties occurs and applies a kind of preferably water-proof material as the dusty material of refusing the water waterproof.It is base nuclear with calcium hydroxide that Chinese patent CN87101009A and CN1058982A disclose a kind of, and skin forms water-repellent layer by fatty acid calcium or Fatty Alcohol(C12-C14 and C12-C18) coating and forms.Its production technique all is with the wet processing of water for the phase of loosing.This method step is many, complex process, and energy consumption is big and have a large amount of waste water to discharge, and this product water ratio height influences its water resistance, does not also have the heat-insulation and heat-preservation effect.It is base nuclear with lime carbonate that Chinese patent CN1057854A discloses a kind of, coats one deck lipid acid and salt thereof on every side as hydrophober, and adopts dry technology for production, technical process is simple, form proportioning and easily grasp, the product water ratio is low, can play the waterproof and heat-insulating dual function.But this product is still and adopts individual layer lipid acid to coat, because the coating layer stability is good inadequately, the hydrophober chemical property is stable not enough, and its hydrophobic coating layer is easy to destroy, the acid-fast alkali-proof poor-performing, thus influence its waterproof weather resistance.
The object of the present invention is to provide a kind of high-effective water-proof heat-insulating powder and production technique thereof, it is good that this product hydrophobic coats firm performance, and stability is strong, and water-and fire-proof and acid-fast alkali-proof performance are good, and the technology of this product is simple, has the waterproof and heat-insulating dual function.
The objective of the invention is to realize by following means.
A kind of high-effective water-proof heat-insulating powder is a core with the natural crystal particulate, is coated with the coating rete on its surface, and it is characterized in that coating rete is coupling agent C
10Above lipid acid and composition thereof or silane, and then coat rete outsourcing one deck waxy compound hydrophober.
A kind of production method of high-effective water-proof heat-insulating powder is characterized in that the natural crystal particulate, joins in the heated and stirred mixing machine, when temperature is elevated to 70～120 ℃, adds C
10Above lipid acid and composition thereof or silane are made coupling agent, fully stir 3-10 minute, add waxy compound hydrophober again, under same temperature, stir and promptly finished secondary coating, discharging in 10-20 minute, naturally cooling, packing can obtain the high-effective water-proof heat-insulating powder.The weight quota proportioning of this product is 100 parts for the natural crystal particulate; C
10The coupling agent of above lipid acid and composition thereof or silane is 0.5-2 part; The hydrophober of waxy compound is 2～10 parts.The natural crystal particulate can be light carbonate breeze or silicate breeze or both arbitrary proportion mixtures, and the light carbonate breeze is main breeze calciferous, and lightweight silicate is main magnesium silicate, pure aluminium silicate or Calucium Silicate powder breeze.
Raw material sources of the present invention enrich low price, technology is only through step processing, method is extremely simple, two-layer being coated in the same reaction vessel carried out, finish the course of processing in 30 minutes, product of the present invention removes has waterproof, heat insulation, insulation, the antidetonation cracking resistance, not nontoxic the combustion etc. outside the performance, because double-coated, water-repellent layer is more firm with base nuclear surface bonding, extremely survivable, the hydrophober molecular weight is greater than lipid acid of the prior art, thereby hydrophobicity performance is better, and chemical property is more stable, the remarkable advantage of this product is watertightness, acid-fast alkali-proof and waterproof weather resistance all are improved largely than known product, and its index is compared as follows:
1. watertightness: this product 5-7mm is thick, under the 100-130cm hydrostaticpressure, and waterproof time＞30d.And known best product standard is the 60cm hydrostaticpressure, and the waterproof time is 15d.
2. acid resistance: this product 5-7mm is thick, at 100-130cm, and under the HCl aqueous solution static pressure of 0.1M, waterproof time＞30d.And currently available products does not have this index or achievement data is indeterminate.
3. alkali resistance: this product 5-7mm is thick, under the saturated calcium hydroxide aqueous solution static pressure of 100-130cm, and waterproof time＞30d, and currently available products static pressure height and fortune of waterproof time are lower than this product.
4. coat the strength failure experiment; This experimental technique is in Erlenmeyer flask, added sample and water by weight 1: 10, in the Kang Shi vibrator, vibrate under the normal temperature, powder is fully contacted with water, since water constantly consumingly to the powder repeated stock, the powder packets coating is constantly destroyed and by moistening, last hydrophobic coating layer all destroys, powder becomes the wetting ability unit for uniform suspension.This product continuous oscillation 60-100 minute, powder still dry loose be standard state.And known product vibrated less than 50 minutes, and coating layer all destroys, and powder becomes the wetting ability unit for uniform suspension.
If adopt same processing method, but cancellation coupling agent or hydrophober two-layer in the individual layer of any one deck coat, all can not reach desired result of the present invention.
High-effective water-proof heat-insulating powder of the present invention can independently be used for the waterproof and heat-insulating of roofing, waterproof preventing leaking engineers such as damp proofing of ground and toilet, water tower, pond.
The present invention is described in detail below in conjunction with embodiment.
Embodiment 1.Commercially available light calcium carbonate powder 2.2kg, join in the heated and stirred mixing machine, heated and stirred, when temperature is elevated to 90-100 ℃, add 33g lipid acid coupling agent, after 5 minutes, under same temperature, add 88g paraffin hydrophober again, restir 15-20 minute end, discharging, cooling obtain the high-effective water-proof heat-insulating powder.Experimental result shows, the watertightness of product, acid-fast alkali-proof performance all more than 30d, coat the strength failure experiment, and duration of oscillation 80 minutes, powder still are dry loose standard state.And same quadrat method does not just add the lipid acid coupling agent, and quality product is inferior, its corresponding data is＜and 1d and 1 minute.
Embodiment 2.With embodiment 1 identical method, just weight proportion changes into: commercially available light calcium carbonate powder 2.2kg, lipid acid 44g, Chinese wax 132g, the products obtained therefrom watertightness, acid-fast alkali-proof is all more than 30d, the experiment of coating strength failure, duration of oscillation are more than 100 minutes, and the experiment product still is normal.If use same quadrat method, just cancel hydrophober Chinese wax, the products obtained therefrom corresponding data is 15d and 20 minutes.
This product high-effective water-proof heat-insulating powder use shows as follows.
Experiment 1.At 15.0m
2On the flat roof deck, press currently known methods, high-effective water-proof heat-insulating powder 6-8mm is removed in the shop, isolates with paper again, and with the thick protective layer of doing of sand-cement slurry 3cm, the enclosure wall facade adopts other water-proof material all around above.Water filling test is made on roof, completion back, and average depth 22cm is good through the sennight water resistance, finds to seep water and leak.
Experiment 2.The damp proofing of ground test.At former ground is the 38.4m in pond
2House earth surface, by non-moistureproof conventional ground rebasing after, it is thick to spread high-effective water-proof heat-insulating powder 5-6mm, isolates with paper, ground requires to repave the thick concrete of 5-6cm routinely.The above-mentioned ground weather that gets damp in 92 years 4-5 month south, the ground drying.And contrast ground is very moist.
Claims (5)
1, a kind of high-effective water-proof heat-insulating powder is a core with the natural crystal particulate, is surrounded by the coating rete on its surface, and it is characterized in that coating rete is coupling agent C
10Above lipid acid and composition thereof or silane, and then coating rete outsourcing one deck waxy compound hydrophober.
2, a kind of production method of high-effective water-proof heat-insulating powder is characterized in that the natural crystal particulate, joins in the heated and stirred mixing machine, when temperature is elevated to 70-120 ℃, adds C
10Above lipid acid and composition thereof or silane are made coupling agent, fully stir 3-10 minute, add waxy compound hydrophober again, under same temperature, stir and promptly finished secondary coating, discharging in 10-20 minute, naturally cooling, packing can obtain the high-effective water-proof heat-insulating powder.
3, waterproof and heat-proof powder according to claim 1 is characterized in that its weight quota proportioning is 100 parts for the natural crystal particulate; C
10The coupling agent of above lipid acid and composition thereof or silane is 0.5～2 part; The hydrophober of waxy compound is 2～10 parts.
4, waterproof and heat-proof powder according to claim 1, it is characterized in that the natural crystal particulate can be light carbonate breeze or silicate breeze or both arbitrary proportion mixtures, the light carbonate breeze is main breeze calciferous, and lightweight silicate is main magnesium silicate, lead silicate or Calucium Silicate powder breeze.
5,, it is characterized in that the fine degree of described natural crystal is not less than 325～1000 orders according to claim 1 or 4 described natural crystals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92108786 CN1069283A (en) | 1992-07-30 | 1992-07-30 | High-effective water-proof heat-insulating powder and production technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92108786 CN1069283A (en) | 1992-07-30 | 1992-07-30 | High-effective water-proof heat-insulating powder and production technique thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1069283A true CN1069283A (en) | 1993-02-24 |
Family
ID=4943813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92108786 Pending CN1069283A (en) | 1992-07-30 | 1992-07-30 | High-effective water-proof heat-insulating powder and production technique thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1069283A (en) |
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1992
- 1992-07-30 CN CN 92108786 patent/CN1069283A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |