CN106567253A - Thermoregulation thermal-storage bamboo fiber and preparation method thereof - Google Patents
Thermoregulation thermal-storage bamboo fiber and preparation method thereof Download PDFInfo
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- CN106567253A CN106567253A CN201610934328.XA CN201610934328A CN106567253A CN 106567253 A CN106567253 A CN 106567253A CN 201610934328 A CN201610934328 A CN 201610934328A CN 106567253 A CN106567253 A CN 106567253A
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- Prior art keywords
- bamboo fibre
- heat
- temperature adjustment
- capsule
- accumulation
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- 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
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention provides thermoregulation thermal-storage bamboo fiber and a preparation method thereof. The bamboo fiber can be applied to thermoregulation thermal-storage textile and has an obvious thermoregulation effect. The thermoregulation thermal-storage bamboo fiber is characterized in that phase-change nanocapsules are attached to the surface of the bamboo fiber. According to the nanocapsules, lauryl alcohol is used as the core material, and polymethyl methacrylate and a corresponding modifier are used as the shell. The nanocapsules have high latent heat and strong adhesion property. The capsules can be firmly attached to the surface of the bamboo fiber and have good wash fastness. Latent heat of the thermoregulation thermal-storage bamboo fiber can reach 25 J/g and above.
Description
Technical field
The invention belongs to a kind of exploitation of function textile and its preparation field, and in particular to a kind of temperature adjustment accumulation of heat bamboo fibre
And preparation method thereof.
Background technology
Bamboo fibre is the cellulose fibre extracted from the bamboo of growth naturally, the fifth-largest after cotton, fiber crops, hair, silk
Natural fiber.Bamboo fibre has the characteristics such as good gas permeability, instant water absorption, stronger wearability and good dyeability,
With natural antibacterial, antibacterial, except mite, deodorization and anti-ultraviolet function.The cross section deformation of unevenness of bamboo fibre, has been covered with and has been similar to
Oval hole, in highly hollow, capillary effect is extremely strong.Bamboo cotton blending yarn of the bamboo fiber content below 30% is adapted to
In underpants, socks, can be also used for making medical treatment and nursing articles for use.
Temperature adjustment thermal storage fiber is the new function textile developed in recent years.It is main with phase-change microcapsule as addition at present
Agent prepares thermo-regulated fiber by post-processing approach.It is relatively more flexible if post processing such as coating, stamp and impregnating method,
Can process on various fibers or fabric.Sun Zheng et al. adopts situ aggregation method to be prepared for paraffin as core, melamine-first
Urea formaldehyde and isocyanates are the wax phase change microcapsules of wall material, and are prepared for terylene temperature adjustment fabric using coating.Micro- glue
Capsule enthalpy of phase change is 97.68 J/g, and the heat content of obtained temperature adjustment accumulation of heat fabric is about 8.49 J/g.But coat and printing technique needs
A large amount of adhesives, cause fabric comfort level poor.Dipping method is using a small amount of adhesive or phase-change microcapsule shell energy of attachment itself
On fiber or fabric, less to feel and comfort degree, it has the disadvantage because phase-change microcapsule attachment fastness is asked for power process
Topic causes temperature adjustment heat accumulation function gradually to weaken in use.The particularly chemical fibre such as terylene, because its surface lacks polarity
Functional group and cause capsule and the adhesive of addition be difficult to and fiber surface strength adhere to, easily come off lead in use
Temperature adjustment function is caused to reduce.But in view of the microscopic appearance feature of bamboo fibre, fiber surface has countless fine grooves.It is laterally irregular
Ellipse, kidney ellipsoid lumen, and there is crackle at edge.These features are very suitable for the attachment of phase-change microcapsule, and with good
Good fastness to washing.Research shows that by modified phase transformation capsule shell reducing capsule size can make its strength on bamboo fibre attached
And even penetrate into bamboo fibre lumen, the temperature adjustment accumulation of heat bamboo fibre good so as to obtain fastness to washing.
The content of the invention
The invention provides a kind of temperature adjustment accumulation of heat bamboo fibre and preparation method thereof, can be used for temperature adjustment accumulation of heat by the bamboo fibre
Textile garment field, and with obvious thermoregulation effect.
A kind of described temperature adjustment accumulation of heat bamboo fibre, with modified phase transformation Nano capsule, the capsule can jail on the bamboo fibre top layer
Solid be attached to bamboo fibre top layer and make it have temperature adjustment heat storage performance, bamboo fibre latent heat is up to 25 more than J/g.
A kind of method for preparing temperature adjustment accumulation of heat bamboo fibre, comprises the following steps：
（1）Modified phase transformation Nano capsule preparation technology：By a certain proportion of lauryl alcohol, methyl methacrylate, modifying agent and draw
Send out agent and stir and evenly mix into oil phase component at 30 ~ 45 DEG C；By emulsifying agent and deionized water at 30 ~ 45 DEG C stir-activating Cheng Shuixiang
Component；
（2）Oil phase is added in water phase at 30 ~ 45 DEG C is emulsified uniformly with the r/min high-speed stirreds of rotating speed 5000 ~ 10000
Emulsion；
（3）The emulsion is heated under nitrogen protection Nano capsule emulsion is obtained to polyase 13 ~ 20 hour under 80 DEG C of stirrings.
（4）Bamboo fibre is impregnated 5 ~ 10 minutes in phase transformation capsule emulsion, the then drying temperature adjustment at 80 ~ 100 DEG C
Accumulation of heat bamboo fibre.
A kind of described method for preparing temperature adjustment accumulation of heat bamboo fibre, it is characterised in that in prepared by phase transformation Nano capsule, core
It is 1 ~ 3 ﹕ 1 with the mass ratio that feeds intake of shell material, initiator is 1.0 % of activated monomer, and emulsifying agent is the 4 ~ 8% of monomer, oil phase and water
Mutually feed intake mass ratio 1:3~5.
A kind of described method for preparing temperature adjustment accumulation of heat bamboo fibre, it is characterised in that step（2）Middle emulsifying temperature is 30 ~ 45
DEG C, emulsification stir speed (S.S.) is 5000 ~ 10000 r/m, and emulsification times are 30 minutes；Step（4）In dipping temperature be 30 ~ 50
℃。
By method made above, the temperature adjustment accumulation of heat bamboo fibre prepared by the present invention is prepared with early stage by methods such as coatings
Temperature adjustment thermal storage fiber compare, have the advantages that fastness to washing is good, comfort level is good, be very suitable for textile garment field.
Description of the drawings
Fig. 1 is the electron microscope picture of phase-change microcapsule prepared by the present invention；
Fig. 2 is the electron microscope picture of temperature adjustment accumulation of heat bamboo fibre prepared by the present invention.
Specific embodiment
Embodiment 1
（1）Oil phase：400g phase-change material lauryl alcohols are weighed, 300g methyl methacrylates and 15g hydroxyethyl methacrylate second fat are mixed
Liquid and 3g azodiisobutyronitriles are closed, is stirred at 35 DEG C so as to mix completely；Water phase：Weigh 15g neopelexes
In being added to 3L deionized waters, activate at 35 DEG C.
（2）Oil phase is slowly added in water phase, emulsified 30 minutes in 5000r/m rotating speeds；Emulsion is transferred to into reaction
In kettle, lead to heated under nitrogen to 80 DEG C and react 8 hours；Reaction takes partial emulsion test granularity after terminating, as a result D50≤0.8 μ
nm.With then hot wash three times of sodium-chloride water solution breakdown of emulsion, filtering and drying to obtain to phase-change microcapsule powder.Gained phase transformation glue
Capsule powder electron microscope observation, it is found that capsule pattern is smooth spherical, and particle diameter is shown in accompanying drawing 1 in 0.5-0.8 μ nm or so；
Find that, at 29 DEG C or so, decrease temperature crystalline temperature is on 25 DEG C of left sides for phase transformation capsule intensification melt temperature with differential scanning calorimeter measurement
The right side, potential heat value is 111 J/g.
（3）Bamboo fibre is impregnated in above-mentioned emulsion, 80 DEG C of dipping temperature, dip time 2 minutes；After dipping
Drying is to temperature adjustment accumulation of heat bamboo fibre at 100 DEG C.
Embodiment 2
（1）Oil phase：500g phase-change material lauryl alcohols are weighed, 250g methyl methacrylates and 9g hydroxyethyl methacrylate second fat are mixed
Liquid and 2.5g azodiisobutyronitriles are closed, is stirred at 40 DEG C so as to mix completely；Water phase：Weigh 10g DBSAs
Sodium is added in 3L deionized waters, is activated at 40 DEG C.
（2）Oil phase is slowly added in water phase, emulsified 30 minutes in 8000r/m rotating speeds；Emulsion is transferred to into reaction
In kettle, lead to heated under nitrogen to 75 DEG C and react 12 hours.
（3）Bamboo fibre is impregnated in above-mentioned emulsion, 40 DEG C of dipping temperature, dip time 5 minutes；Bamboo after dipping
Fiber is dried at 90 DEG C.
Embodiment 3
（1）Oil phase：800g phase-change material lauryl alcohols are weighed, 500g methyl methacrylates and 15g hydroxyethyl methacrylate second fat are mixed
Liquid and 5g azodiisobutyronitriles are closed, is stirred at 40 DEG C so as to mix completely；Water phase：Weigh 30g neopelexes
In being added to 4L deionized waters, activate at 40 DEG C.
（2）Oil phase is slowly added in water phase, emulsified 30 minutes in 10000r/m rotating speeds；Emulsion is transferred to into reaction
In kettle, lead to heated under nitrogen to 80 DEG C and react 5 hours.
（3）Bamboo fibre is impregnated in above-mentioned emulsion, 60 DEG C of dipping temperature, dip time 8 minutes；Bamboo after dipping
Fiber is dried at 80 DEG C.
Embodiment 4
（1）Oil phase：500g phase-change material lauryl alcohols are weighed, 300g methyl methacrylates and 24g hydroxyethyl methacrylate second fat are mixed
Liquid and 3g azodiisobutyronitriles are closed, is stirred at 35 DEG C so as to mix completely；Water phase：Weigh 12g neopelexes
In being added to 3 L deionized waters, activate at 40 DEG C.
（2）Oil phase is slowly added in water phase, emulsified 30 minutes in 9000r/m rotating speeds；Emulsion is transferred to into reaction
In kettle, lead to heated under nitrogen to 80 DEG C and react 3 hours.
（3）Bamboo fibre is impregnated in above-mentioned emulsion, 65 DEG C of dipping temperature, dip time 5 minutes；Bamboo after dipping
Fiber is dried at 90 DEG C.Bamboo fibre electron microscope observation after drying, is shown in accompanying drawing 2, it can be seen that a large amount of capsule particles are sticked
Fiber surface is attached to, particle still in spherical, is remained intact.Find that the temperature adjustment accumulation of heat bamboo is fine with differential scanning calorimeter measurement
, at 29 DEG C or so, at 24 DEG C or so, potential heat value is in 25 J/g or so for decrease temperature crystalline temperature for dimension intensification melt temperature.The temperature adjustment accumulation of heat
Bamboo fibre thermoregulation range meets body temperature impression, and high calorific potential effectively adjusts temperature.
Embodiment 5
（1）Oil phase：800g phase-change material lauryl alcohols are weighed, 500g methyl methacrylates and 24g hydroxyethyl methacrylate second fat are mixed
Liquid and 5g azodiisobutyronitriles are closed, is stirred at 30 DEG C so as to mix completely；Water phase：Weigh 15g neopelexes
In being added to 4 L deionized waters, activate at 30 DEG C.
（2）Oil phase is slowly added in water phase, emulsified 30 minutes in 6000r/m rotating speeds；Emulsion is transferred to into reaction
In kettle, lead to heated under nitrogen to 80 DEG C and react 10 hours.
（3）Bamboo fibre is impregnated in above-mentioned emulsion, 65 DEG C of dipping temperature, dip time 10 minutes；After dipping
Bamboo fibre is dried at 90 DEG C.
Embodiment 6
（1）Oil phase：300g phase-change material lauryl alcohols, 200g methyl methacrylates and 2g azodiisobutyronitriles are weighed, at 35 DEG C
Lower stirring so as to mix completely；Water phase：Weigh 20g neopelexes to be added in 2 L deionized waters, it is living at 35 DEG C
Change.
（2）Oil phase is slowly added in water phase, emulsified 30 minutes in 8000r/m rotating speeds；Emulsion is transferred to into reaction
In kettle, lead to heated under nitrogen to 75 DEG C and react 8 hours.
（3）Bamboo fibre is impregnated in above-mentioned emulsion, 65 DEG C of dipping temperature, dip time 10 minutes；After dipping
Bamboo fibre is dried at 90 DEG C.Temperature adjustment accumulation of heat bamboo fibre after drying tests its potential heat value for 3.8 by differential scanning calorimeter
J/g, illustrates that the Nano capsule for being not added with modifying agent is difficult to be attached to fiber surface, only adheres on a small quantity, and this does not reach effective temperature adjustment
Effect.
Claims (6)
1. a kind of temperature adjustment accumulation of heat bamboo fibre, it is characterised in that：The bamboo fibre surface is with modified phase transformation Nano capsule, the capsule
With lauryl alcohol as core, polymethyl methacrylate and corresponding modifying agent are shell；The capsule can be firm by dipping method
It is attached to bamboo fibre surface and makes it have temperature adjustment heat accumulation function, gained temperature adjustment accumulation of heat bamboo fibre latent heat is up to 25 more than J/g.
2. temperature adjustment accumulation of heat bamboo fibre as claimed in claim 1, it is characterised in that：Accompanying Nano capsule Jing means of differential scanning calorimetry
Instrument is tested, and its heat enthalpy value is 110 more than J/g；Jing laser particle analyzers test size distribution, D50≤0.8 μm.
3. temperature adjustment accumulation of heat bamboo fibre as claimed in claim 1, it is characterised in that：Its potential heat value is 25 Jing after more than 20 times washings
More than J/g.
4. a kind of temperature adjustment accumulation of heat bamboo fibre preparation method as claimed in claim 1, it is characterised in that：Described nano phase change
Capsule, with polymethyl methacrylate etc. as shell, is obtained, tool after addition modifying agent with lauryl alcohol as core through emulsion polymerization
Body formula is as follows：
10 ~ 20 parts of lauryl alcohol
10 parts of methyl methacrylate
0.5 ~ 1.0 part of modifying agent
0.4 ~ 0.8 part of emulsifying agent
0.1 part of initiator
100 parts of deionized water
The lauryl alcohol contains the aliphatic carbon chain of the length of a hydroxyl for one end；The modifying agent refers to hydroxyethyl methacrylate second
Fat；The emulsifying agent is neopelex；The initiator is azodiisobutyronitrile；
Capsules preparation technique：By a certain proportion of lauryl alcohol, methyl methacrylate, modifying agent and initiator at 30 ~ 45 DEG C
Stir and evenly mix into oil phase component；By emulsifying agent and deionized water at 30-45 DEG C stir-activating into water phase components；At 30 ~ 45 DEG C
Lower oil phase is added in water phase emulsifies uniformly emulsion with the r/min high-speed stirreds of rotating speed 5000 ~ 10000；Nitrogen protection is lower to be added
The hot emulsion to 80 DEG C of polyase 13 ~ 20 hour are obtained Nano capsule emulsion；After being separated by filtration emulsion and being washed with hot deionized water
Capsule powders can be obtained；The preparation technology of temperature adjustment accumulation of heat bamboo fibre：By bamboo fibre in phase transformation capsule emulsion dipping 5-10 minutes,
Then the drying temperature adjustment accumulation of heat bamboo fibre at 80 ~ 100 DEG C.
5. temperature adjustment accumulation of heat bamboo fibre preparation method as claimed in claim 4, it is characterised in that：Modifying agent hydroxyethyl methacrylate second
Fat content in shell, 5 ~ 10%, can be combined with bamboo fibre strength.
6. temperature adjustment accumulation of heat bamboo fibre preparation method as claimed in claim 4, it is characterised in that：During preparation dipping temperature be 30 ~
50 DEG C, drying temperature is 80 ~ 100 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610934328.XA CN106567253A (en) | 2016-10-25 | 2016-10-25 | Thermoregulation thermal-storage bamboo fiber and preparation method thereof |
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| CN201610934328.XA CN106567253A (en) | 2016-10-25 | 2016-10-25 | Thermoregulation thermal-storage bamboo fiber and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108998973A (en) * | 2018-08-10 | 2018-12-14 | 苏州市天翱特种织绣有限公司 | A kind of intelligent heat preserving fabric |
| CN109866295A (en) * | 2019-03-22 | 2019-06-11 | 章健 | A kind of production method of phase-changing and temperature-regulating bamboo mat |
| CN114262949A (en) * | 2021-12-28 | 2022-04-01 | 南通新帝克单丝科技股份有限公司 | Preparation method of heat-storage temperature-regulating polypropylene monofilament |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108998973A (en) * | 2018-08-10 | 2018-12-14 | 苏州市天翱特种织绣有限公司 | A kind of intelligent heat preserving fabric |
| CN109866295A (en) * | 2019-03-22 | 2019-06-11 | 章健 | A kind of production method of phase-changing and temperature-regulating bamboo mat |
| CN114262949A (en) * | 2021-12-28 | 2022-04-01 | 南通新帝克单丝科技股份有限公司 | Preparation method of heat-storage temperature-regulating polypropylene monofilament |
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