CN105542723A - Nanometer composite phase-change textile material and preparation method thereof - Google Patents
Nanometer composite phase-change textile material and preparation method thereof Download PDFInfo
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- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
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Abstract
The invention provides a nanometer composite phase-change textile material and a preparation method thereof. The nanometer composite phase-change textile material is prepared from the following components of ethyl orthosilicate, sodium silicate, linoleic acid, palmitic acid, lauric acid, hexadecyl trimethyl ammonium bromide, propylgallate, an antioxidant BHT, anhydrous alcohol, hydrochloric acid and deionized water. The preparation method comprises the following steps: firstly mixing the ethyl orthosilicate, the sodium silicate, the hexadecyl trimethyl ammonium bromide, the propylgallate, the antioxidant BHT, the anhydrous alcohol, the hydrochloric acid and the deionized water so as to obtain a solution, and placing the solution in a magnetic stirring machine for stirring; then mixing the linoleic acid, the palmitic acid and the lauric acid for melting so as to obtain a mixture A, stirring the mixture A with the magnetic stirring machine, and adding the stirred mixture A into the solution; continuing stirring the solution and the mixture A with the magnetic stirring machine so as to obtain a mixture B; finally ageing the mixture B so as to obtain wet gel; putting the wet gel into a drying oven for drying so as to obtain the nanometer composite phase-change textile material. The nanometer composite phase-change textile material disclosed by the invention has favorable phase-change heat storing and temperature control properties, excellent heat stability and favorable heat preservation function; in addition, the preparation technology is relatively simple.
Description
Technical field
The present invention relates to Material Field, be specifically related to a kind of nano combined phase transformation textile materials and preparation method thereof.
Background technology
Phase-changing energy storage material utilizes material, and when phase transformation, neither endothermic nor exothermic is to carry out energy storage or exoergic, and the energy density of this material is higher, and utilizes the characteristic of its temperature approximately constant when phase transformation, can the temperature of the hierarchy of control.The industries such as building, refrigeration and clothes are widely used at present.Wherein, with nano phase change material fabric applies or be mixed in spinning solution and carry out spinning, the clothes made with it are owing to the change of environmentally temperature can regulate inner temperature, and the comfort level of increase human body that can be very large, has wide consumption market.But more existing single component phase change materials in use also exist a lot of deficiency at present, as poor in heat conductivility, volatile, poor stability etc.Therefore, research and develop nano combined phase transformation textile materials to have great significance.
Summary of the invention
the technical problem solved:the object of this invention is to provide a kind of nano combined phase transformation textile materials, have good phase-change thermal storage temperature control performance, thermostability is good, has good heat-preserving function.
technical scheme:a kind of nano combined phase transformation textile materials, is prepared from weight part by following composition: tetraethoxy 30-50 part, water glass 5-10 part, linolic acid 10-15 part, palmitinic acid 10-15 part, lauric acid 2-5 part, cetyl trimethylammonium bromide 0.2-0.5 part, Tenox PG 0.5-1 part, antioxidant BHT 0.2-0.5 part, dehydrated alcohol 25-35 part, hydrochloric acid 1-2 part, deionized water 20-25 part.
Preferred further, the nano combined phase transformation textile materials of described one, is prepared from weight part by following composition: tetraethoxy 35-45 part, water glass 6-9 part, linolic acid 11-14 part, palmitinic acid 11-14 part, lauric acid 3-4 part, cetyl trimethylammonium bromide 0.3-0.4 part, Tenox PG 0.6-0.9 part, antioxidant BHT 0.3-0.4 part, dehydrated alcohol 27-32 part, hydrochloric acid 1.2-1.7 part, deionized water 21-23 part.
The preparation method of above-mentioned nano combined phase transformation textile materials comprises the following steps:
Step 1: tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization are mixed, be placed on magnetic stirrer and stir 20-30 minute at rotating speed 600-800r/min, temperature 60-70 DEG C;
Step 2: linolic acid, palmitinic acid and lauric acid are mixed, 75-85 DEG C of water bath with thermostatic control, after sample all melts, with magnetic stirrer to stir 80-90 minute under rotating speed 400-600r/min;
Step 3: join in the solution of step 1 by the mixture of step 2 gained, continues to stir 60-70 minute under magnetic stirrer 500-700r/min;
Step 4: step 3 gained colloidal sol is placed in water-bath ageing 44-46 hour, obtains wet gel, puts into baking oven and dries and get final product at 75-85 DEG C.
Preferred further, step 1 medium speed is 650-750r/min, and temperature is 62-68 DEG C, and churning time is 22-28 minute.
Preferred further, in step 2, bath temperature is 77-83 DEG C, and rotating speed is 450-550r/min, and churning time is 82-87 minute.
Preferred further, in step 3, stirring velocity is 550-650r/min, and churning time is 63-67 minute.
Preferred further, in step 4, digestion time is 44.5-45.5 hour, and oven temperature is 78-83 DEG C.
beneficial effect:latent heat of phase change after nano combined phase transformation textile materials of the present invention stores thermal cycling at 60 times still reaches as high as 134.4J/g, the heat accumulation temperature control time also reaches 164s, illustrate that the present invention has good phase-change thermal storage temperature control performance, there is good thermostability, heat-preserving function, can be widely used.
Embodiment
Embodiment 1
A kind of nano combined phase transformation textile materials, is prepared from weight part by following composition: tetraethoxy 30 parts, water glass 5 parts, linolic acid 10 parts, palmitinic acid 10 parts, lauric acid 2 parts, cetyl trimethylammonium bromide 0.2 part, Tenox PG 0.5 part, antioxidant BHT 0.2 part, dehydrated alcohol 25 parts, hydrochloric acid 1 part, deionized water 20 parts.
The preparation method of above-mentioned nano combined phase transformation textile materials is: first by tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization mixing, be placed on magnetic stirrer with rotating speed 600r/min, stir 20 minutes under temperature 60 C, then by linolic acid, palmitinic acid and lauric acid mixing, 75 DEG C of waters bath with thermostatic control, after sample all melts, join in solution above with magnetic stirrer after 80 minutes with stirring under rotating speed 400r/min, continue to stir 60 minutes under magnetic stirrer 500r/min, finally be placed in water-bath ageing 44 hours, obtain wet gel, put into baking oven to dry and get final product at 75 DEG C.
Embodiment 2
A kind of nano combined phase transformation textile materials, is prepared from weight part by following composition: tetraethoxy 35 parts, water glass 6 parts, linolic acid 11 parts, palmitinic acid 11 parts, lauric acid 3 parts, cetyl trimethylammonium bromide 0.3 part, Tenox PG 0.6 part, antioxidant BHT 0.3 part, dehydrated alcohol 27 parts, hydrochloric acid 1.2 parts, deionized water 21 parts.
The preparation method of above-mentioned nano combined phase transformation textile materials is: first by tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization mixing, be placed on magnetic stirrer with rotating speed 650r/min, stir 22 minutes at temperature 62 DEG C, then by linolic acid, palmitinic acid and lauric acid mixing, 77 DEG C of waters bath with thermostatic control, after sample all melts, join in solution above with magnetic stirrer after 82 minutes with stirring under rotating speed 450r/min, continue to stir 63 minutes under magnetic stirrer 550r/min, finally be placed in water-bath ageing 44.5 hours, obtain wet gel, put into baking oven to dry and get final product at 78 DEG C.
Embodiment 3
A kind of nano combined phase transformation textile materials, is prepared from weight part by following composition: tetraethoxy 40 parts, water glass 7.5 parts, linolic acid 12.5 parts, palmitinic acid 12.5 parts, lauric acid 3.5 parts, cetyl trimethylammonium bromide 0.3 part, Tenox PG 0.7 part, antioxidant BHT 0.4 part, dehydrated alcohol 30 parts, hydrochloric acid 1.5 parts, deionized water 22 parts.
The preparation method of above-mentioned nano combined phase transformation textile materials is: first by tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization mixing, be placed on magnetic stirrer with rotating speed 700r/min, stir 25 minutes at temperature 65 DEG C, then by linolic acid, palmitinic acid and lauric acid mixing, 80 DEG C of waters bath with thermostatic control, after sample all melts, join in solution above with magnetic stirrer after 85 minutes with stirring under rotating speed 500r/min, continue to stir 65 minutes under magnetic stirrer 600r/min, finally be placed in water-bath ageing 45 hours, obtain wet gel, put into baking oven to dry and get final product at 80 DEG C.
Embodiment 4
A kind of nano combined phase transformation textile materials, is prepared from weight part by following composition: tetraethoxy 45 parts, water glass 9 parts, linolic acid 14 parts, palmitinic acid 14 parts, lauric acid 4 parts, cetyl trimethylammonium bromide 0.4 part, Tenox PG 0.9 part, antioxidant BHT 0.4 part, dehydrated alcohol 32 parts, hydrochloric acid 1.7 parts, deionized water 23 parts.
The preparation method of above-mentioned nano combined phase transformation textile materials is: first by tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization mixing, be placed on magnetic stirrer with rotating speed 750r/min, stir 28 minutes at temperature 68 DEG C, then by linolic acid, palmitinic acid and lauric acid mixing, 83 DEG C of waters bath with thermostatic control, after sample all melts, join in solution above with magnetic stirrer after 87 minutes with stirring under rotating speed 550r/min, continue to stir 67 minutes under magnetic stirrer 650r/min, finally be placed in water-bath ageing 45.5 hours, obtain wet gel, put into baking oven to dry and get final product at 83 DEG C.
Embodiment 5
A kind of nano combined phase transformation textile materials, is prepared from weight part by following composition: tetraethoxy 50 parts, water glass 10 parts, linolic acid 15 parts, palmitinic acid 15 parts, lauric acid 5 parts, cetyl trimethylammonium bromide 0.5 part, Tenox PG 1 part, antioxidant BHT 0.5 part, dehydrated alcohol 35 parts, hydrochloric acid 2 parts, deionized water 25 parts.
The preparation method of above-mentioned nano combined phase transformation textile materials is: first by tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization mixing, be placed on magnetic stirrer with rotating speed 800r/min, stir 30 minutes under temperature 70 C, then by linolic acid, palmitinic acid and lauric acid mixing, 85 DEG C of waters bath with thermostatic control, after sample all melts, join in solution above with magnetic stirrer after 90 minutes with stirring under rotating speed 600r/min, continue to stir 70 minutes under magnetic stirrer 700r/min, finally be placed in water-bath ageing 46 hours, obtain wet gel, put into baking oven to dry and get final product at 85 DEG C.
Comparative example 1
The difference of the present embodiment and embodiment 5 is to replace lauric acid with palmitinic acid.Specifically:
A kind of nano combined phase transformation textile materials, is prepared from weight part by following composition: tetraethoxy 50 parts, water glass 10 parts, linolic acid 15 parts, palmitinic acid 20 parts, cetyl trimethylammonium bromide 0.5 part, Tenox PG 1 part, antioxidant BHT 0.5 part, dehydrated alcohol 35 parts, hydrochloric acid 2 parts, deionized water 25 parts.
The preparation method of above-mentioned nano combined phase transformation textile materials is: first by tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization mixing, be placed on magnetic stirrer with rotating speed 800r/min, stir 30 minutes under temperature 70 C, then by linolic acid and palmitinic acid mixing, 85 DEG C of waters bath with thermostatic control, after sample all melts, join in solution above with magnetic stirrer after 90 minutes with stirring under rotating speed 600r/min, continue to stir 70 minutes under magnetic stirrer 700r/min, finally be placed in water-bath ageing 46 hours, obtain wet gel, put into baking oven to dry and get final product at 85 DEG C.
Comparative example 2
The difference of the present embodiment and embodiment 5 is to replace linolic acid with palmitinic acid.Specifically:
A kind of nano combined phase transformation textile materials, is prepared from weight part by following composition: tetraethoxy 50 parts, water glass 10 parts, palmitinic acid 30 parts, lauric acid 5 parts, cetyl trimethylammonium bromide 0.5 part, Tenox PG 1 part, antioxidant BHT 0.5 part, dehydrated alcohol 35 parts, hydrochloric acid 2 parts, deionized water 25 parts.
The preparation method of above-mentioned nano combined phase transformation textile materials is: first by tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization mixing, be placed on magnetic stirrer with rotating speed 800r/min, stir 30 minutes under temperature 70 C, then by palmitinic acid and lauric acid mixing, 85 DEG C of waters bath with thermostatic control, after sample all melts, join in solution above with magnetic stirrer after 90 minutes with stirring under rotating speed 600r/min, continue to stir 70 minutes under magnetic stirrer 700r/min, finally be placed in water-bath ageing 46 hours, obtain wet gel, put into baking oven to dry and get final product at 85 DEG C.
Each embodiment and comparative example are compared, comparing result is as following table 1:
The performance index of the nano combined phase transformation textile materials of table 1
| Name of product | Store the latent heat of phase change (J/g) after thermal cycling for 60 times | Heat accumulation temperature control time (s) |
| Embodiment 1 | 132.9 | 154 |
| Embodiment 2 | 133.3 | 157 |
| Embodiment 3 | 133.5 | 158 |
| Embodiment 4 | 134.4 | 164 |
| Embodiment 5 | 133.9 | 160 |
| Comparative example 1 | 127.6 | 131 |
| Comparative example 2 | 124.3 | 128 |
As known from Table 1, the latent heat of phase change after embodiment 1-5 stores thermal cycling at 60 times still reaches as high as 134.4J/g, and the heat accumulation temperature control time also reaches 164s, illustrates that the present invention has good phase-change thermal storage temperature control performance.Compare with comparative example, find that comparative example 1 and 2 two indexs in Table 1 decline all to some extent, after wherein replacing linolic acid with palmitinic acid, degradation is more obvious, and we can think by linolic acid, palmitinic acid and lauric acid three compound to better effects if of the present invention.Wherein, embodiment 4 is most preferred embodiment of the present invention.
Claims (7)
1. a nano combined phase transformation textile materials, is characterized in that: be prepared from weight part by following composition: tetraethoxy 30-50 part, water glass 5-10 part, linolic acid 10-15 part, palmitinic acid 10-15 part, lauric acid 2-5 part, cetyl trimethylammonium bromide 0.2-0.5 part, Tenox PG 0.5-1 part, antioxidant BHT 0.2-0.5 part, dehydrated alcohol 25-35 part, hydrochloric acid 1-2 part, deionized water 20-25 part.
2. the nano combined phase transformation textile materials of one according to claim 1, is characterized in that: be prepared from weight part by following composition: tetraethoxy 35-45 part, water glass 6-9 part, linolic acid 11-14 part, palmitinic acid 11-14 part, lauric acid 3-4 part, cetyl trimethylammonium bromide 0.3-0.4 part, Tenox PG 0.6-0.9 part, antioxidant BHT 0.3-0.4 part, dehydrated alcohol 27-32 part, hydrochloric acid 1.2-1.7 part, deionized water 21-23 part.
3. the preparation method of a kind of nano combined phase transformation textile materials described in any one of claim 1 to 2, is characterized in that: comprise the following steps:
Step 1: tetraethoxy, water glass, cetyl trimethylammonium bromide, Tenox PG, antioxidant BHT, dehydrated alcohol, hydrochloric acid and deionization are mixed, be placed on magnetic stirrer and stir 20-30 minute at rotating speed 600-800r/min, temperature 60-70 DEG C;
Step 2: linolic acid, palmitinic acid and lauric acid are mixed, 75-85 DEG C of water bath with thermostatic control, after sample all melts, with magnetic stirrer to stir 80-90 minute under rotating speed 400-600r/min;
Step 3: join in the solution of step 1 by the mixture of step 2 gained, continues to stir 60-70 minute under magnetic stirrer 500-700r/min;
Step 4: step 3 gained colloidal sol is placed in water-bath ageing 44-46 hour, obtains wet gel, puts into baking oven and dries and get final product at 75-85 DEG C.
4. the preparation method of a kind of nano combined phase transformation textile materials according to claim 3, it is characterized in that: described step 1 medium speed is 650-750r/min, temperature is 62-68 DEG C, and churning time is 22-28 minute.
5. the preparation method of a kind of nano combined phase transformation textile materials according to claim 3, it is characterized in that: in described step 2, bath temperature is 77-83 DEG C, rotating speed is 450-550r/min, and churning time is 82-87 minute.
6. the preparation method of a kind of nano combined phase transformation textile materials according to claim 3, it is characterized in that: in described step 3, stirring velocity is 550-650r/min, churning time is 63-67 minute.
7. the preparation method of a kind of nano combined phase transformation textile materials according to claim 3, it is characterized in that: in described step 4, digestion time is 44.5-45.5 hour, oven temperature is 78-83 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106118607A (en) * | 2016-06-27 | 2016-11-16 | 林春梅 | A kind of composite phase-change energy storage material and preparation method thereof |
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| CN106118607A (en) * | 2016-06-27 | 2016-11-16 | 林春梅 | A kind of composite phase-change energy storage material and preparation method thereof |
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Application publication date: 20160504 |