CN103451939B - A kind of double-layer aromatic phase-change microcapsule fabric finishing liquor and preparation method and application - Google Patents
A kind of double-layer aromatic phase-change microcapsule fabric finishing liquor and preparation method and application Download PDFInfo
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Abstract
The present invention discloses a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor and preparation method and application, described double-layer aromatic phase-change microcapsule fabric finishing liquor is calculated by 10 ~ 30% double-layer aromatic phase-change microcapsules by mass percentage, 5 ~ 15% crosslinked at low temperature agent, 1 ~ 5% thickener, 1 ~ 3% bleeding agent, the distilled water composition of 1 ~ 3% emulsifying agent 1 and surplus, first namely its preparation method prepare double-layer aromatic phase-change microcapsule, then by the double-layer aromatic phase-change microcapsule of preparation, crosslinked at low temperature agent, thickener, bleeding agent, emulsifying agent and distilled water mixing, stir 10 ~ 20min at normal temperatures and pressures and namely obtain double-layer aromatic phase-change microcapsule fabric finishing liquor.Gained double-layer aromatic phase-change microcapsule fabric finishing liquor is utilized to carry out perfuming by coating or spray-on process to textiles, textiles after perfuming not only possesses good lasting ability and sustained release performance, fragrance for 7 months, can have good temp regulating function simultaneously, improves comfortableness.
Description
Technical field
The present invention relates to a kind of method applying double-layer aromatic phase-change microcapsule perfuming on the textile, more particularly relate to a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor and preparation method thereof and the application in textiles perfuming.
Background technology
Microcapsules as a kind of emerging technology, can Protective substances from the impact of environment, control core discharges, and changes states of matter easy to carry and transport.Essence microcapsule can effectively control fragrance rate of release, brings fragrance joyful lastingly to people, and the aromatic fabric fragrance remaining time via essence microcapsule process is long, and fragrance release evenly, meets the demand of people to textile embellishment, enjoyment, health care.And the appearance of phase-change microcapsule, achieve the persistent solid-state of phase-change material, can when phase transformation occurs, control the change of phase-change material volume, can effectively increase its heat transfer area, reduce the reaction of phase-change material and external environment, be applied to the fields such as heat-storage thermoregulation material, energy-saving building material, Solar use.Phase-change microcapsule is applied to textiles and can meets the demand of people to comfortable life further.
But certain application that all exists of simple aromatic fabric and temperature control textiles limits, how to utilize microcapsules technology to develop to possess slow releasing fragrance with the fragrant temperature control textiles of adjustment temperature feature is current study hotspot simultaneously.
Summary of the invention
An object of the present invention provides a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor to solve above-mentioned technical problem, this double-layer aromatic phase-change microcapsule fabric finishing liquor carries out perfuming on the textile, can meet people and has slow releasing fragrance to textiles simultaneously and regulate the demand of temperature function.
Two of object of the present invention is to provide the preparation method of above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor.
Three of object of the present invention is to provide the method utilizing above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor to carry out perfuming on the textile.
Technical scheme of the present invention
A kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, calculates by mass percentage, its raw material composition and content as follows:
Wherein said double-layer aromatic phase-change microcapsule is prepared by the following method:
Namely first, take polymethyl methacrylate as the coated organic phase change material of wall material, obtain organic phase change material microcapsules, wherein methyl methacrylate and organic phase change material calculate in mass ratio, i.e. methyl methacrylate: organic phase change material is 1:2;
Described organic phase change material is atoleine, hexadecane or octadecane;
Then, organic phase change material microcapsules are fully mixed with essence, make essence uniform adsorption on the surface of organic phase change material microcapsules, obtain the organic phase change material microcapsules having adsorbed essence, the consumption of described essence calculates by its mass ratio relative to organic phase change material, i.e. essence: organic phase change material is 4:100;
Described essence is lavender oil, lily essence, flavoring rose essence or cream jasmin france;
Finally, with the coated organic phase change material microcapsules having adsorbed essence of beta-schardinger dextrin-, thus double-layer aromatic phase-change microcapsule is obtained; Wherein said beta-schardinger dextrin-and the organic phase change material microcapsules having adsorbed essence, calculate by the mass ratio of beta-schardinger dextrin-and organic phase change material, i.e. organic phase change material: beta-schardinger dextrin-is 1:2;
Described crosslinked at low temperature agent CX-100 is polyfunctional aziridines crosslinking agent;
Described thickening agent PTF is anionic species polyelectrolyte;
Described penetrating agent JFC is fatty alcohol-polyoxyethylene ether, non-ionic surface active agent;
Described emulsifying agent 1 is Tween-80.
The preparation method of above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, its feature specifically comprises the steps:
(1), the preparation of double-layer aromatic phase-change microcapsule
1., adopt emulsion polymerization, being wall material with polymethyl methacrylate, take organic phase change material as core, synthesis organic phase change material microcapsules, and its concrete steps are as follows:
First, be stirred to dissolving by after organic phase change material, methyl methacrylate, initator mixing, obtain oil phase component;
Described organic phase change material is atoleine, hexadecane or octadecane;
Described initator is azodiisobutyronitrile;
Again by emulsifying agent 2 and distilled water, at 55 DEG C, agitation as appropriate is to evenly, obtains water phase components;
Described emulsifying agent 2 is Tween-80:Span-80, calculates in mass ratio, is the mixture that Tween-80:Span-80 is 55:45 composition;
Then, join in water phase components by oil phase component under 600rpm rotating speed, temperature remains on 55 DEG C and stirs 30min, forms O/W emulsion;
Above-mentioned organic phase change material used, methyl methacrylate, initator, emulsifying agent 2, distilled water calculate in mass ratio, i.e. organic phase change material: methyl methacrylate: initator: emulsifying agent 2: distilled water is 80:40:3:4:1500;
Then, by gained O/W emulsion under the high speed shear of 13000rpm after homogeneous 5min reflux condensation mode pass into nitrogen protection simultaneously, 65 DEG C of waters bath with thermostatic control, 1000rpm stir under prepolymerization 1h;
Then, under water bath condition by temperature increase to 85 DEG C of polymerisation 5h, reaction terminates rear standing 12h, after suction filtration with 50 DEG C, mass percent concentration is that 30% ethanol-water solution washs three times, finally dry 24h at 50 DEG C, obtains organic phase change material microcapsules;
2. the preparation of the organic phase change material microcapsules of essence, has been adsorbed
By organic phase change material microcapsules prepared in 1. and essence Homogeneous phase mixing, namely obtain the organic phase change material microcapsules adsorbing essence;
The consumption of described essence calculates by its mass ratio relative to organic phase change material in organic phase change material microcapsules, i.e. essence: in organic phase change material microcapsules, organic phase change material is 4:100;
3., the coated organic phase change material microcapsules having adsorbed essence of beta-schardinger dextrin-
Beta-schardinger dextrin-is dissolved in distilled water and makes the beta-schardinger dextrin-aqueous solution that concentration is 40%;
The organic phase change material microcapsules having adsorbed essence of step 2. gained to be joined temperature be the concentration of 45 DEG C is in the beta-schardinger dextrin-aqueous solution of 40%, cool left undisturbed overnight while stirring to room temperature, make the double-layer aromatic phase-change microcapsule crude product slowly Precipitation from solution of formation, filtration gained filter cake control temperature after ethanol washing to filtrate clarification is 50 DEG C to carry out being drying to obtain double-layer aromatic phase-change microcapsule;
Wherein said beta-schardinger dextrin-and the organic phase change material microcapsules having adsorbed essence, calculate by the mass ratio of beta-schardinger dextrin-and organic phase change material, i.e. organic phase change material: beta-schardinger dextrin-is 1:2;
(2), the preparation of double-layer aromatic phase-change microcapsule fabric finishing liquor
After double-layer aromatic phase-change microcapsule step (1) prepared, crosslinked at low temperature agent, thickener, bleeding agent, emulsifying agent 1 mix, namely magnetic agitation 10 ~ 20min obtains double-layer aromatic phase-change microcapsule fabric finishing liquor at normal temperatures and pressures.
Above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor is utilized textiles to be carried out to the method for perfuming, by spray-on process or coating;
Described spray-on process, namely sprays double-layer aromatic phase-change microcapsule fabric finishing liquor in textile surfaces, natural air drying with watering can, and wetting, namely 40 ~ 70 DEG C of oven dry complete double-layer aromatic phase-change microcapsule fabric finishing liquor perfuming on the textile;
Described coating, namely uses scraper after textile surfaces blade coating double-layer aromatic phase-change microcapsule fabric finishing liquor, control temperature 70 ~ 120 DEG C, namely completes double-layer aromatic phase-change microcapsule fabric finishing liquor perfuming on the textile after drying 30 ~ 80s.
Beneficial effect of the present invention
A kind of double-layer aromatic phase-change microcapsule fabric of the present invention, due to containing double-layer aromatic phase-change microcapsule, therefore be applied on textiles and carried out perfuming, give textiles two large critical function: the rate of release that can meet fragrance is effectively controlled, fragrance joyful is lastingly brought, the health-care function such as play calmness, sterilization, calm the nerves to people; Simultaneously because the phase-change material in double-layer aromatic phase-change microcapsule can free adjustment textiles internal temperature in certain temperature range according to the change of ambient temperature, therefore have more comfortableness than conventional textile.
Detailed description of the invention
Below by specific embodiment, the present invention is set forth further, but content of the present invention can not be limited.
The various raw material that the present invention is used or the specification of reagent and the information of manufacturer as follows:
Methyl methacrylate, chemical pure, Chemical Reagent Co., Ltd., Sinopharm Group;
Azodiisobutyronitrile, chemical pure, Chemical Reagent Co., Ltd., Sinopharm Group;
Atoleine, analyzes pure, Chemical Reagent Co., Ltd., Sinopharm Group;
Tween-80, analyzes pure, Chemical Reagent Co., Ltd., Sinopharm Group;
Span-80, analyzes pure, Chemical Reagent Co., Ltd., Sinopharm Group;
Thickening agent PTF, Jiangsu Hai'an Petrochemical Plant produces;
Penetrating agent JFC, Jiangsu Hai'an Petrochemical Plant produces;
Absolute ethyl alcohol, analyzes pure, Chemical Reagent Co., Ltd., Sinopharm Group;
Beta-schardinger dextrin-, analyzes pure, Chemical Reagent Co., Ltd., Sinopharm Group;
Lavender oil,
international essence and flavoring agent (China) Co., Ltd of American I FFproduce;
Lily essence,
international essence and flavoring agent (China) Co., Ltd of American I FFproduce;
Crosslinked at low temperature agent CX-100, Guangzhou Zhong Guanmei Co., Ltd produces.
The model of the instrument and equipment that the present invention is used and the information of manufacturer as follows:
Homogenizer, FA25 type, Shanghai Frock Fluid Machinery Manufacture Co., Ltd. produces;
Electronic balance, PL403, plum Teller-Tuo benefit Instrument Ltd.;
Constant temperature blender with magnetic force, 524G, Mei Ying Pu, Shanghai instrument and meter Manufacturing Co., Ltd;
The multiplex vavuum pump of circulating water type, SHZ-D III, Shanghai Yao Te instrument and equipment Co., Ltd;
Digital display blast drier, 101, Shanghai Ye Tuo instrument and meter Co., Ltd;
Coating machine MU572C, Beijing textile equipment research institute.
embodiment 1
A kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, calculates by mass percentage, its raw material composition and content as follows:
Wherein said double-layer aromatic phase-change microcapsule is prepared by the following method:
Namely first, take polymethyl methacrylate as the coated organic phase change material of wall material, obtain organic phase change material microcapsules; Wherein methyl methacrylate and organic phase change material calculate in mass ratio, i.e. methyl methacrylate: organic phase change material is 1:2, and described organic phase change material is atoleine;
Then, organic phase change material microcapsules are fully mixed with essence, make essence uniform adsorption on the surface of organic phase change material microcapsules, obtain the organic phase change material microcapsules having adsorbed essence; The consumption of wherein said essence calculates by its mass ratio relative to organic phase change material, i.e. essence: organic phase change material is 4:100, and described essence is lavender oil;
Finally, with the coated organic phase change material microcapsules having adsorbed essence of beta-schardinger dextrin-, thus double-layer aromatic phase-change microcapsule is obtained; Wherein said beta-schardinger dextrin-and the organic phase change material microcapsules having adsorbed essence, calculate by the mass ratio of beta-schardinger dextrin-and organic phase change material, i.e. organic phase change material: beta-schardinger dextrin-is 1:2;
Described crosslinked at low temperature agent is CX-100, is the polyfunctional aziridines crosslinking agent that Guangzhou Zhong Guanmei Co., Ltd produces;
Described thickener is PTF, is the anionic species polyelectrolyte that Jiangsu Hai'an Petrochemical Plant produces;
Described bleeding agent is JFC, is the fatty alcohol-polyoxyethylene ether that Jiangsu Hai'an Petrochemical Plant produces, non-ionic surface active agent;
Described emulsifying agent 1 is Tween-80.
The preparation method of above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, specifically comprises the steps:
(1), the preparation of double-layer aromatic phase-change microcapsule
1., adopt emulsion polymerization, being wall material with polymethyl methacrylate, take organic phase change material as core, synthesis organic phase change material microcapsules, and its concrete steps are as follows:
First, be stirred to dissolving by after 8g organic phase change material, 4g methyl methacrylate, the mixing of 0.3g initator, obtain oil phase component;
Described organic phase change material is atoleine;
Described initator is azodiisobutyronitrile;
Again by 0.4g emulsifying agent 2 and 150g distilled water, at 55 DEG C, agitation as appropriate is to evenly, obtains water phase components;
Described emulsifying agent 2 is Tween-80:Span-80, calculates in mass ratio, is the mixture that Tween-80:Span-80 is 55:45 composition;
Then, join in water phase components by oil phase component under 600rpm rotating speed, temperature remains on 55 DEG C and stirs 30min, forms O/W emulsion;
Above-mentioned organic phase change material used, methyl methacrylate, initator, emulsifying agent 2, distilled water calculate in mass ratio, i.e. organic phase change material: methyl methacrylate: initator: emulsifying agent 2: distilled water is 80:40:3:4:1500;
Then, by gained O/W emulsion under the high speed shear of 13000rpm after homogeneous 5min reflux condensation mode pass into nitrogen protection simultaneously, 65 DEG C of waters bath with thermostatic control, 1000rpm stir under prepolymerization 1h;
Then, under water bath condition by temperature increase to 85 DEG C of polymerisation 5h, reaction terminates rear standing 12h, after suction filtration with 50 DEG C, mass percent concentration is that 30% ethanol-water solution washs three times, finally dry 24h at 50 DEG C, obtains organic phase change material microcapsules;
2. the preparation of the organic phase change material microcapsules of essence, has been adsorbed
By organic phase change material microcapsules prepared in 1. and 0.32g essence Homogeneous phase mixing, namely obtain the organic phase change material microcapsules adsorbing essence;
Described essence is lavender oil;
The consumption of described essence calculates by its mass ratio relative to the organic phase change material in organic phase change material microcapsules, i.e. essence: the organic phase change material in organic phase change material microcapsules is 4:100;
3., the coated organic phase change material microcapsules having adsorbed essence of beta-schardinger dextrin-
16g beta-schardinger dextrin-is dissolved in distilled water and makes the beta-schardinger dextrin-aqueous solution that concentration is 40%;
The organic phase change material microcapsules having adsorbed essence of step 2. gained to be joined temperature be the concentration of 45 DEG C is in the beta-schardinger dextrin-aqueous solution of 40%, cool left undisturbed overnight while stirring to room temperature, make the double-layer aromatic phase-change microcapsule crude product slowly Precipitation from solution of formation, filtration gained filter cake control temperature after ethanol washing to filtrate clarification is 50 DEG C to carry out being drying to obtain double-layer aromatic phase-change microcapsule;
Described beta-schardinger dextrin-and the organic phase change material microcapsules having adsorbed essence, by beta-schardinger dextrin-and the organic phase change material microcapsules mass ratio calculating of having adsorbed essence, i.e. organic phase change material: beta-schardinger dextrin-is 1:2;
(2), the preparation of double-layer aromatic phase-change microcapsule fabric finishing liquor
After 20g double-layer aromatic phase-change microcapsule step (1) prepared, the agent of 10g crosslinked at low temperature, 3g thickener, 2g bleeding agent, 2g emulsifying agent 1, the mixing of 63g distilled water, namely magnetic agitation 15min obtains double-layer aromatic phase-change microcapsule fabric finishing liquor at normal temperatures and pressures.
Utilize above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor textiles to be carried out to the method for perfuming, step is as follows:
Namely adopt coating, with scraper in clip 40cmx40cm textile surfaces after blade coating double-layer aromatic phase-change microcapsule fabric finishing liquor, control temperature 70 DEG C, namely completes double-layer aromatic phase-change microcapsule fabric finishing liquor perfuming on the textile after drying 80s.
Textiles Heat stability is good after perfuming, strong adhesion, aroma strength is better.By sensory evaluation, to compare with when just processing at the smell of placement fabric after 3 months and have a larger reduction, 45% during for just processing, but fragrance is still obvious; Fabric fragrance remaining time was up to 9 months.
embodiment 2
A kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, calculates by mass percentage, its raw material composition and content as follows:
Wherein said double-layer aromatic phase-change microcapsule is prepared by the following method:
Namely first, take polymethyl methacrylate as the coated organic phase change material of wall material, obtain organic phase change material microcapsules; Wherein methyl methacrylate and organic phase change material calculate in mass ratio, i.e. methyl methacrylate: organic phase change material is 1:2, and described organic phase change material is atoleine;
Then, organic phase change material microcapsules are fully mixed with essence, make essence uniform adsorption on the surface of organic phase change material microcapsules, obtain the organic phase change material microcapsules having adsorbed essence; The consumption of wherein said essence calculates by its mass ratio relative to the organic phase change material in organic phase change material microcapsules, i.e. essence: the organic phase change material in organic phase change material microcapsules is 4:100, and described essence is lavender oil;
Finally, with the coated organic phase change material microcapsules having adsorbed essence of beta-schardinger dextrin-, thus double-layer aromatic phase-change microcapsule is obtained; Wherein said beta-schardinger dextrin-and the organic phase change material microcapsules having adsorbed essence, calculate by the mass ratio of beta-schardinger dextrin-and organic phase change material, i.e. organic phase change material: beta-schardinger dextrin-is 1:2;
Described crosslinked at low temperature agent is CX-100, is the polyfunctional aziridines crosslinking agent that Guangzhou Zhong Guanmei Co., Ltd produces;
Described thickener is PTF, is the anionic species polyelectrolyte that Jiangsu Hai'an Petrochemical Plant produces;
Described bleeding agent is JFC, is the fatty alcohol-polyoxyethylene ether that Jiangsu Hai'an Petrochemical Plant produces, non-ionic surface active agent;
Described emulsifying agent 1 is Tween-80;
The preparation method of above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, specifically comprises the steps:
(1), the preparation of double-layer aromatic phase-change microcapsule
With embodiment 1;
(2), the preparation of double-layer aromatic phase-change microcapsule fabric finishing liquor
After 30g double-layer aromatic phase-change microcapsule step (1) prepared, the agent of 15g crosslinked at low temperature, 5g thickener, 3g bleeding agent, 3g emulsifying agent 1, the mixing of 44g distilled water, namely magnetic agitation 10-20min obtains double-layer aromatic phase-change microcapsule fabric finishing liquor at normal temperatures and pressures.
Utilize above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor textiles to be carried out to the method for perfuming, step is as follows:
Namely adopt coating, with scraper blade coating double-layer aromatic phase-change microcapsule fabric finishing liquor in clip 40cmx40cm textile surfaces, at 120 DEG C, in 30s, namely oven dry completes double-layer aromatic phase-change microcapsule fabric finishing liquor perfuming on the textile.
Textiles better heat stability after perfuming, adhesive force is comparatively strong, and aroma strength is good.By sensory evaluation, to compare with when just processing at the smell of placement fabric after 4 months and have a larger reduction, 35% during for just processing, but fragrance is still obvious; Its fragrance remaining time reaches 8 months, after fabric places 8 months, rubs and still has light fragrance.
By the contrast of embodiment 1 and embodiment 2, result shows by coating, double-layer aromatic phase-change microcapsule fabric finishing liquor to be carried out perfuming on textiles, the textiles Heat stability is good after perfuming, strong adhesion, and aroma strength is good; When bake out temperature is lower, essence rate of release is comparatively slow, and fragrance remaining time is longer.
embodiment 3
A kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, calculates by mass percentage, its raw material composition and content as follows:
Wherein said double-layer aromatic phase-change microcapsule is prepared by the following method:
Namely first, take polymethyl methacrylate as the coated organic phase change material of wall material, obtain organic phase change material microcapsules; Wherein methyl methacrylate and organic phase change material calculate in mass ratio, i.e. methyl methacrylate: organic phase change material is 1:2, and described organic phase change material is atoleine;
Then, organic phase change material microcapsules are fully mixed with essence, make essence uniform adsorption on the surface of organic phase change material microcapsules, obtain the organic phase change material microcapsules having adsorbed essence; The consumption of wherein said essence calculates by its mass ratio relative to the organic phase change material in organic phase change material microcapsules, i.e. essence: the organic phase change material in organic phase change material microcapsules is 4:100, and described essence is lily essence;
Finally, with the coated organic phase change material microcapsules having adsorbed essence of beta-schardinger dextrin-, thus double-layer aromatic phase-change microcapsule is obtained; Wherein said beta-schardinger dextrin-and the organic phase change material microcapsules having adsorbed essence, calculate by the mass ratio of beta-schardinger dextrin-and organic phase change material, i.e. organic phase change material: beta-schardinger dextrin-is 1:2;
Described crosslinked at low temperature agent is CX-100, is the polyfunctional aziridines crosslinking agent that Guangzhou Zhong Guanmei Co., Ltd produces;
Described thickener is PTF, is the anionic species polyelectrolyte that Jiangsu Hai'an Petrochemical Plant produces;
Described bleeding agent is JFC, is the fatty alcohol-polyoxyethylene ether that Jiangsu Hai'an Petrochemical Plant produces, non-ionic surface active agent;
Described emulsifying agent 1 is Tween-80.
The preparation method of above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, specifically comprises the steps:
(1), the preparation of double-layer aromatic phase-change microcapsule
With embodiment 1, just essence wherein used is lily essence;
(2), the preparation of double-layer aromatic phase-change microcapsule fabric finishing liquor
After 20g double-layer aromatic phase-change microcapsule step (1) prepared, the agent of 10g crosslinked at low temperature, 3g thickener, 2g bleeding agent, 2g emulsifying agent 1, the mixing of 63g distilled water, namely magnetic agitation 10-20min obtains double-layer aromatic phase-change microcapsule fabric finishing liquor at normal temperatures and pressures.
Utilize above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor textiles to be carried out to the method for perfuming, step is as follows:
Namely adopt spray-on process, spray double-layer aromatic phase-change microcapsule fabric finishing liquor, natural air drying with watering can in 40cmx40cm textile surfaces, with water-wet, namely 70 DEG C of oven dry complete double-layer aromatic phase-change microcapsule fabric finishing liquor perfuming on the textile.
Textiles fragrance after perfuming is pure and fresh, and aroma strength is better, resembles true degree better.By sensory evaluation, placement after 3 months the fragrance of fabric obviously reduce, 40% during for just processing, essence content reduce amplitude relatively large, essence rate of release is relatively very fast; After fabric places 6 months, fabric still keeps light fragrance, and the essence content afterwards on fabric reduces amplitude and diminishes gradually, and essence rate of release slows down relatively.
embodiment 4
A kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, calculates by mass percentage, its raw material composition and content as follows:
Wherein said double-layer aromatic phase-change microcapsule is prepared by the following method:
Namely first, take polymethyl methacrylate as the coated organic phase change material of wall material, obtain organic phase change material microcapsules; Wherein methyl methacrylate and organic phase change material calculate in mass ratio, i.e. methyl methacrylate: organic phase change material is 1:2, and described organic phase change material is atoleine;
Then, organic phase change material microcapsules are fully mixed with essence, make essence uniform adsorption on the surface of organic phase change material microcapsules, obtain the organic phase change material microcapsules having adsorbed essence; The consumption of wherein said essence calculates by its mass ratio relative to the organic phase change material in organic phase change material microcapsules, i.e. essence: the organic phase change material in organic phase change material microcapsules is 4:100, and described essence is lily essence;
Finally, with the coated organic phase change material microcapsules having adsorbed essence of beta-schardinger dextrin-, thus double-layer aromatic phase-change microcapsule is obtained; Wherein said beta-schardinger dextrin-and the organic phase change material microcapsules having adsorbed essence, calculate by the mass ratio of beta-schardinger dextrin-and organic phase change material, i.e. organic phase change material: beta-schardinger dextrin-is 1:2;
Described crosslinked at low temperature agent is CX-100, is the polyfunctional aziridines crosslinking agent that Guangzhou Zhong Guanmei Co., Ltd produces;
Described thickener is PTF, is the anionic species polyelectrolyte that Jiangsu Hai'an Petrochemical Plant produces;
Described bleeding agent is JFC, is the fatty alcohol-polyoxyethylene ether that Jiangsu Hai'an Petrochemical Plant produces, non-ionic surface active agent;
Described emulsifying agent 1 is Tween-80.
The preparation method of above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor, specifically comprises the steps:
(1), the preparation of double-layer aromatic phase-change microcapsule
With embodiment 1;
(2), the preparation of double-layer aromatic phase-change microcapsule fabric finishing liquor
After 10g double-layer aromatic phase-change microcapsule step (1) prepared, the agent of 5g crosslinked at low temperature, 1g thickener, 1g bleeding agent, 1g emulsifying agent 1, the mixing of 82g distilled water, namely magnetic agitation 10-20min obtains double-layer aromatic phase-change microcapsule fabric finishing liquor at normal temperatures and pressures.
Utilize above-mentioned a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor textiles to be carried out to the method for perfuming, step is as follows:
Namely adopt spray-on process, spray double-layer aromatic phase-change microcapsule fabric finishing liquor with watering can in 40cmx40cm textile surfaces, natural air drying, with water-wet, dry at 40 DEG C and namely complete double-layer aromatic phase-change microcapsule fabric finishing liquor perfuming on the textile.
Textiles fragrance after perfuming is pure and fresh, and aroma strength is good, resembles and really spends.Evaluated by subjective sensory's method, placement after 3 months the fragrance of fabric obviously reduce, 30% during for just processing, essence content reduce amplitude relatively large, essence rate of release is relatively very fast; After fabric places 5 months, fabric still keeps light fragrance, 7% during for just processing, and the essence content on fabric reduces amplitude and diminishes gradually, and essence rate of release slows down relatively.
Contrasted by embodiment 3 and embodiment 4, result shows, by spray-on process, double-layer aromatic phase-change microcapsule fabric finishing liquor is carried out perfuming on textiles, and the textiles fragrance after perfuming is pure and fresh, and resemble and really spend, aroma strength is better; When bake out temperature is higher, essence rate of release is comparatively slow, and fragrance remaining time is longer.
In sum, a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor of the present invention, carries out perfuming by spray-on process or coating to textiles, and not only aroma strength is good for the textiles after perfuming, scent duration is long, can textile temperature be regulated simultaneously, meet the demand of people.
Above said content be only the present invention conceive under basic explanation, and according to any equivalent transformation that technical scheme of the present invention is done, all should protection scope of the present invention be belonged to.
Claims (4)
1. a preparation method for double-layer aromatic phase-change microcapsule fabric finishing liquor, is characterized in that specifically comprising the steps:
(1), the preparation of double-layer aromatic phase-change microcapsule
1., adopt emulsion polymerization, being wall material with polymethyl methacrylate, take organic phase change material as core, synthesis organic phase change material microcapsules, and its concrete steps are as follows:
First, be stirred to dissolving by after organic phase change material, methyl methacrylate, initator mixing, obtain oil phase component;
Again by emulsifying agent 2 and distilled water, at 55 DEG C, agitation as appropriate is to evenly, obtains water phase components;
Described emulsifying agent 2 is Tween-80:Span-80, calculates in mass ratio, is the mixture that Tween-80:Span-80 is 55:45 composition;
Then, join in water phase components by oil phase component under 600rpm rotating speed, temperature remains on 55 DEG C and stirs 30min, forms O/W emulsion;
Above-mentioned organic phase change material used, methyl methacrylate, initator, emulsifying agent 2, distilled water calculate in mass ratio, i.e. organic phase change material: methyl methacrylate: initator: emulsifying agent 2: distilled water is 80:40:3:4:1500;
Then, by gained O/W emulsion under the high speed shear of 13000rpm after homogeneous 5min reflux condensation mode pass into nitrogen protection simultaneously, 65 DEG C of waters bath with thermostatic control, 1000rpm stir under prepolymerization 1h;
Then, under water bath condition by temperature increase to 85 DEG C of polymerisation 5h, reaction terminates rear standing 12h, after suction filtration with 50 DEG C, mass percent concentration is that 30% ethanol-water solution washs three times, finally dry 24h at 50 DEG C, obtains organic phase change material microcapsules;
2. the preparation of the organic phase change material microcapsules of essence, has been adsorbed
By organic phase change material microcapsules prepared in 1. and essence Homogeneous phase mixing, namely obtain the organic phase change material microcapsules adsorbing essence;
The consumption of wherein said essence calculates by its mass ratio relative to organic phase change material, i.e. essence: organic phase change material is 4:100, and described essence is lavender oil, lily essence, flavoring rose essence or cream jasmin france;
3., the coated organic phase change material microcapsules having adsorbed essence of beta-schardinger dextrin-
Beta-schardinger dextrin-is dissolved in distilled water and makes the beta-schardinger dextrin-aqueous solution that concentration is 40%;
The organic phase change material microcapsules having adsorbed essence of step 2. gained to be joined temperature be the concentration of 45 DEG C is in the beta-schardinger dextrin-aqueous solution of 40%, cool left undisturbed overnight while stirring to room temperature, make the double-layer aromatic phase-change microcapsule crude product slowly Precipitation from solution of formation, filtration gained filter cake control temperature after ethanol washing to filtrate clarification is 50 DEG C to carry out being drying to obtain double-layer aromatic phase-change microcapsule;
Wherein said beta-schardinger dextrin-and the organic phase change material microcapsules having adsorbed essence, calculate by the mass ratio of beta-schardinger dextrin-and organic phase change material, i.e. organic phase change material: beta-schardinger dextrin-is 1:2;
Described organic phase change material is atoleine, hexadecane or octadecane;
(2), the preparation of double-layer aromatic phase-change microcapsule fabric finishing liquor
After double-layer aromatic phase-change microcapsule step (1) prepared, crosslinked at low temperature agent, thickener, bleeding agent, emulsifying agent 1 and distilled water mixing, namely magnetic agitation 10 ~ 20min obtains double-layer aromatic phase-change microcapsule fabric finishing liquor at normal temperatures and pressures; Above-mentioned raw materials content is as follows:
Described crosslinked at low temperature agent is CX-100;
Described thickener is PTF;
Described bleeding agent is JFC;
Described emulsifying agent 1 is Tween-80.
2. the preparation method of a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor as claimed in claim 1, is characterized in that calculating by mass percentage, its raw material composition and content as follows:
3. the preparation method of a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor as claimed in claim 1, is characterized in that calculating by mass percentage, its raw material composition and content as follows:
4. the preparation method of a kind of double-layer aromatic phase-change microcapsule fabric finishing liquor as claimed in claim 1, is characterized in that calculating by mass percentage, its raw material composition and content as follows:
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