AU2019394406A1 - Regenerated cellulose fiber containing ceramide microcapsule and preparation method therefor - Google Patents
Regenerated cellulose fiber containing ceramide microcapsule and preparation method therefor Download PDFInfo
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- AU2019394406A1 AU2019394406A1 AU2019394406A AU2019394406A AU2019394406A1 AU 2019394406 A1 AU2019394406 A1 AU 2019394406A1 AU 2019394406 A AU2019394406 A AU 2019394406A AU 2019394406 A AU2019394406 A AU 2019394406A AU 2019394406 A1 AU2019394406 A1 AU 2019394406A1
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- Prior art keywords
- ceramide
- microcapsule
- regenerated cellulose
- cellulose fibre
- viscose
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
Disclosed are a regenerated cellulose fiber containing a ceramide microcapsule and a preparation method therefor. The raw materials of the regenerated cellulose fiber comprise a viscose spinning solution and a ceramide microcapsule, wherein the core of the ceramide microcapsule comprises ceramide and glycerin. The preparation method therefor comprises mixing a ceramide microcapsule dispersion and the viscose spinning solution, and then subjecting same to wet spinning. In the present invention, a microcapsule coating technique is used to prepare ceramide into a microcapsule, which is then added into the viscose spinning solution to prepare a viscose fiber with skin care and moisturizing functions.
Description
The present invention belongs to the technical field of textiles, and particularly
relates to a regenerated cellulose fibre containing a ceramide microcapsule and a
preparation method thereof.
With continuous development of the economy and continuous upgrading of
domestic consumption levels, people's demands for textiles also continuously increase,
and particularly, those for textiles with special functions rises increasingly. As a result,
textiles of various functions have been emerging endlessly in the domestic market in
recent decade years, such as products of antisepsis, mite resistance, skincare and
moisturizing, and safety and protection.
At present, the functional textiles are produced through two technologies
approximately: firstly, a fabric is subjected to functional finishing, in a finishing
process, the fabric is subjected to dipping, drying or coating, and the fabric is finished
with an additive with a special function; and secondly, a fibre is functionally modified,
specifically, the fibre is treated in the fibre production process, the interior or the
surface of the fibre is finished with an additive with a special function. Comparatively
speaking, the later is better in effect lasting and higher in cost correspondingly.
In recent years, as people continuously pursue a healthy life, various products of
skincare and moisturizing become more and more popular among customers, and
various functional fabrics of skincare and moisturizing in the textile field come into
the market in abundance, including those offibre modification or functional finishing.
CN101343780A discloses a viscose fibre containing aloe and a preparation method
thereof. The fibre is an aloe viscose fibre obtained through wet spinning after an aloe
extract is directly mixed with a viscose spinning solution. The method has the
disadvantages that the aloe extract is directly added into the viscose spinning solution for blending, such that vitamins, amino acids and other substances contained in the aloe can be damaged under strongly basic conditions, abundant losses of active substances are caused, and ideal skincare and moisturizing effects cannot be achieved. An aloe viscose fibre preparation method is disclosed in a patent with a number of CN1664186A. According to the method, an aloe gel is directly added a viscose spinning solution for wet spinning so as to obtain an aloe viscose fibre. Similarly, the aloe gel is directly added into the spinning solution under the strongly basic condition according to the method, physicochemical properties of the aloe gel can be damaged by the high-concentration basic solution, thereby influencing various properties of the aloe viscose fibre.
SUMMARY An objective of the present invention is to provide a regenerated cellulose fibre containing a ceramide microcapsule and a preparation method thereof. A microcapsule encapsulation technology is utilized to prepare ceramide into a microcapsule, and then the microcapsule is added into a viscose spinning solution so as to prepare and obtain the skincare and moisturizing viscose fibre. A raw material of the regenerated cellulose fibre containing the ceramide microcapsule includes the viscose spinning solution and the ceramide microcapsule, and a mass of the ceramide microcapsule accounts for 2%-4% of a content of alpha cellulose of the viscose spinning solution; and a capsule core of the ceramide microcapsule includes ceramide and glycerin. Further, the capsule core comprises 5%-25% of the ceramide by mass, and the rest is the glycerin, and a sum of mass fractions of the ceramide and the glycerin is 100%.
Further, the ceramide is from a natural source. Further, a wall material of the ceramide microcapsule is gelatin. Further, the raw material of the regenerated cellulose fibre further includes a dispersant, and the dispersant accounts for 1%-3% of the ceramide microcapsule by
mass.
Further, the dispersant is one selected from sodium hexametaphosphate, glyceryl
stearate or stearate.
Further, a particle size of the ceramide microcapsule is 0.1-1 m.
The preparation method of the above regenerated cellulose fibre includes the
steps of:
step 1, preparing a viscose spinning solution;
step 2, preparing a ceramide microcapsule through a multiple emulsion method;
step 3, preparing a ceramide microcapsule dispersion; and
step 4, mixing the ceramide microcapsule dispersion with the viscose spinning
solution, and then performing wet spinning to obtain the regenerated cellulose fibre.
Further, of the preparing a ceramide microcapsule includes the steps of:
a) preparing a core material emulsion;
b) preparing a wall material emulsion; and
c) mixing the wall material emulsion with the core material emulsion, and then
drying and grinding the same.
The beneficial effects are achieved:
1. the present invention takes a uniform mixture of ceramide and glycerin as a
core material and gelatin as a wall material for preparing a microcapsule. The mixture
of the ceramide and the glycerin is contained inside the prepared microcapsule, and is
encapsulated in the microcapsule with the wall material of a protein material of the
gelatin, thereby forming a structure similar to a skin. The structure has a relatively
good moisturizing effect. The microcapsule and a viscose spinning solution is blended,
and then are subjected to wet spinning to obtain a regenerated cellulose fibre
containing the ceramide microcapsule. After the modified fibre is woven into a fabric
or other product, the skin-like structure of the fibre can form "a second skin" on the
outer layer of a human skin, thereby having double protection on the human skin,
endowing the fibre and the fabric with more direct functions, and greatly enhancing
additional values of the fibre and the product thereof.
2. The ceramide is phospholipid of one class taking ceramide as a skeleton. The
ceramide mainly exists in cytomembrane and an intercellular matrix in a cuticle. The ceramide is generated after sphingomyelin of the cytomembrane or an organelle membrane is subjected to hydrolysis with sphingomyelinase. A large quantity of hydrophilic groups is contained in the structure of the ceramide, and is good in hydrophilicity. The ceramide can promote hydration of epidermis, enhance epidermal cell cohesion, prevent skin from drying or desquamation, enable the skin smooth and elastic, and form a bed board double-layer structure in a horn cell, thereby preventing moisture of the epidermis from diffusion. The ceramide can activate a senescent cell, promote epidermal cell division and basal layer cell regeneration, enhance the skin barrier (or insulation protection) effect and prevent an outside stimulus from invading.
Known as "king of hydrating", the ceramide is 16 times the moisturizing effect of
hyaluronic acid. The present invention innovatively simulates the skin structure. After
the ceramide is mixed with the glycerin, the gelatin is used as the wall material for
microcapsule encapsulation. Since the gelatin belongs to the protein and is similar to
that in cutin of the human skin, the skin-like structure can be formed to have
secondary protection on the human skin. Meanwhile, the ceramide can further be
slowly released to the surface of the skin through the microcapsule, and permeate
deep inside the epidermis, thereby promoting a dry skin to re-obtain water retention
capacity, and achieving the prominent moisturizing effect.
Fig. 1 is a preparation process path of a viscose spinning solution in examples 1
to 3.
A technical solution of the present invention will be further described below by
combining a specific example.
Alpha cellulose described in the present invention is also known as a-cellulose,
which means insoluble part of a cellulose raw material soaked in a 17.5%-18%
sodium hydroxide solution at 20°C for 45 minutes.
Example 1
Preparing a viscose spinning solution:
Cotton pulp with a degree of polymerization of 500-600 is taken as a raw
material, has a content of alpha cellulose larger than 90%, and is used for preparing
viscose according to a process path described in Fig. 1.
The viscose spinning solution prepared according to the above process has a
content of alpha cellulose of 8.9%, a NaOH mass fraction of 6.0, viscosity (a
falling-ball method) of 59 s, and a degree of ripeness (10%NH 4 Cl) of 8.8 mL.
The falling-ball method: time required by a 2 mm steel ball falling by 20 cm in
the viscose solution.
Preparing a microcapsule:
A ceramide solution with a mass fraction of 10% is prepared in a reaction still 1,
specifically, glycerin taken as a solvent and an emulsifier with a mass fraction of 1%
are stirred uniformly to be left stand, a gelatin solution with a mass fraction of 5% is
prepared in a reaction still 2, specifically, water taken as a solvent and an emulsifier
with a mass fraction of 1% are stirred uniformly to be left stand, and the core material
emulsion in the reaction still 1 is added in to the reaction still 2 to be stirred uniformly,
then to be dried under °M and then to be ground into ceramide microcapsule
powder, a particle size of which is required to be 0.1-1 m.
Mixing of a viscose solution with a nano-microcapsule dispersed emulsion:
The microcapsule dispersion is quantitatively added into the above stand-by
viscose solution with a proportioning pump, and then the mixture thereof is mixed
uniformly. The microcapsule dispersion is injected into a dynamic mixer at a speed of
6 L/min with an injection pump, a flow rate of the viscose solution is 50 L/min, and
standing is performed at a room temperature for 1 h. The microcapsule accounts for
2% of alpha cellulose by mass.
Wet spinning:
A mixed solution of a microcapsule and viscose is fed into a wet spinning
process for spinning. A specification of a spinning jet is 21,000 holesx0.06 mm, a
spinning speed is 55 m/min, a temperature of a coagulating bath°Gs 5d a
temperature of a plastification bath is 9 C. The coagul ating bath is composed of 115 g/L vitriol, 325 g/L sodium sulfate and 11.5 g/L zinc sulfate.
Example 2
Preparing a viscose spinning solution:
Cotton pulp with a degree of polymerization of 500-600 is taken as a raw
material, has a content of alpha cellulose larger than 90%, and is used for preparing
viscose according to a process path described in Fig. 1.
The viscose spinning solution prepared according to the above process has a
content of alpha cellulose of 8.9%, a NaOH mass fraction of 5.8, viscosity (a
falling-ball method) of 60 s, and a degree of ripeness (10%NH 4 Cl) of 8.7 mL.
The falling-ball method: time required by a 2 mm steel ball falling by 20 cm in
the viscose solution.
Preparing a microcapsule:
A ceramide solution with a mass fraction of 15% is prepared in a reaction still 1,
specifically, glycerin taken as a solvent and an emulsifier with a mass fraction of 2%
are stirred uniformly to be left stand, a gelatin solution with a mass fraction of 8% is
prepared in a reaction still 2, specifically, water taken as a solvent and an emulsifier
with a mass fraction of 1% are stirred uniformly to be left stand, and the core material
emulsion in the reaction still 1 is added in to the reaction still 2 to be stirred uniformly,
then to be dried under 'Q and then to be ground into ceramide microcapsule
powder, a particle size of which is required to be 0.1-1 m.
Mixing of a viscose solution with a nano-microcapsule dispersed emulsion:
The microcapsule dispersion is quantitatively added into the above stand-by
viscose solution with a proportioning pump, and then the mixture thereof is mixed
uniformly. The microcapsule dispersion is injected into a dynamic mixer at a speed of
7 L/min with an injection pump, a flow rate of the viscose solution is 50 L/min, and
standing is performed at a room temperature for 1 h. The microcapsule accounts for
3% of alpha cellulose by mass.
Wet spinning:
A mixed solution of a microcapsule and viscose is fed into a wet spinning
process for spinning. A specification of a spinning jet is 21,000 holesx0.06 mm, a spinning speed is 55 m/min, a temperature of a coagulating bath isC52and a temperature of a plastification bath is 9 C. The coagulating bath iscomposed of 115 g/L vitriol, 325 g/L sodium sulfate and 11.5 g/L zinc sulfate.
Example 3
Preparing a viscose spinning solution:
Cotton pulp with a degree of polymerization of 500-600 is taken as a raw
material, has a content of alpha cellulose larger than 90%, and is used for preparing
viscose according to a process path described in Fig. 1.
The viscose spinning solution prepared according to the above process has a
content of alpha cellulose of 8.9%, a NaOH mass fraction of 6.3, viscosity (a
falling-ball method) of 62 s, and a degree of ripeness (10%NH 4 Cl) of 8.9 mL.
The falling-ball method: time required by a 2 mm steel ball falling by 20 cm in
the viscose solution.
Preparing a microcapsule:
A ceramide solution with a mass fraction of 20% is prepared in a reaction still 1,
specifically, glycerin taken as a solvent and an emulsifier with a mass fraction of 3%
are stirred uniformly to be left stand, a gelatin solution with a mass fraction of 10% is
prepared in a reaction still 2, specifically, water taken as a solvent and an emulsifier
with a mass fraction of 3% are stirred uniformly to be left stand, and the core material
emulsion in the reaction still 1 is added in to the reaction still 2 to be stirred uniformly,
then to be dried under 'Q and then to be ground into ceramide microcapsule
powder, a particle size of which is required to be 0.1-1 m.
Mixing of a viscose solution with a nano-microcapsule dispersed emulsion:
The microcapsule dispersion is quantitatively added into the above stand-by
viscose solution with a proportioning pump, and then the mixture thereof is mixed
uniformly. The microcapsule dispersion is injected into a dynamic mixer at a speed of
8 L/min with an injection pump, a flow rate of the viscose solution is 50 L/min, and
standing is performed at a room temperature for 1 h. The microcapsule accounts for
4% of alpha cellulose by mass.
Wet spinning:
A mixed solution of a microcapsule and viscose is fed into a wet spinning
process for spinning. A specification of a spinning jet is 21,000 holesx0.06 mm, a
spinning speed is 55 m/min, a temperature of a coagulating bath°Gs 5d a
temperature of a plastification bath is 950 C. The coagulating bath is composed of 115
g/L vitriol, 325 g/L sodium sulfate and 11.5 g/L zinc sulfate.
Comparative example 1
Different from example 1, a ceramide nano-microcapsule is not added into a
spinning solution.
All the properties of a fibre and test results of a moisturizing property of a fabric
made from the fibre are shown in the following table:
Item Example 1 Example 2 Example3 Comparative example Denier (dtex) 1.67 1.63 1.71 1.63 Dry strength (cN/ dtex) 2.26 2.28 2.23 2.31 Wet strength (cN/ dtex) 1.35 1.37 1.42 1.39 Dry elongation (%) 16.3 17.9 17.1 18.5 Fabric water retention rate for 19.6 18.9 19.3 12.5 2 h (%) Fabric water retention rate for Sh(o16.2 15.8 16.1 11.9 4 h (%) It can be concluded from the results of the table above that a fibre spun from a
mixture formed by adding a ceramide nano-microcapsule into a viscose spinning
solution in a physical mixing manner has good various basic properties, and a water
retention rate of a fabric made .from the fibre is obviously higher than that of a
conventional viscose fibre.
Claims (9)
1. A regenerated cellulose fibre containing a ceramide microcapsule, wherein a
raw material comprises a viscose spinning solution and the ceramide microcapsule,
and a mass of the ceramide microcapsule accounts for 2%-4% of a content of alpha
cellulose of the viscose spinning solution; and
a capsule core of the ceramide microcapsule comprises ceramide and glycerin.
2. The regenerated cellulose fibre containing the ceramide microcapsule
according to claim 1, wherein the capsule core comprises 5%-25% of the ceramide by
mass and the rest is glycerin, and a sum of mass fractions of the ceramide and the
glycerin is 100%.
3. The regenerated cellulose fibre containing the ceramide microcapsule
according to claim 1, wherein the ceramide is from a natural source.
4. The regenerated cellulose fibre containing the ceramide microcapsule
according to claim 1, wherein a wall material of the ceramide microcapsule is gelatin.
5. The regenerated cellulose fibre containing the ceramide microcapsule
according to claim 1, wherein the raw material of the regenerated cellulose fibre
further comprises a dispersant, and the dispersant accounts for 1%-3% of the
ceramide microcapsule by mass.
6. The regenerated cellulose fibre containing the ceramide microcapsule
according to claim 5, wherein the dispersant is one selected from sodium
hexametaphosphate, glyceryl stearate or stearate.
7. The regenerated cellulose fibre containing the ceramide microcapsule
according to claim 1, wherein a particle size of the ceramide microcapsule is 0.1-1
[m.
8. A preparation method of the regenerated cellulose fibre of claim 1, comprising
the steps of:
step 1, preparing a viscose spinning solution;
step 2, preparing a ceramide microcapsule through a multiple emulsion method;
step 3, preparing a ceramide microcapsule dispersion; and step 4, mixing the ceramide microcapsule dispersion with the viscose spinning solution, and then performing wet spinning to obtain the regenerated cellulose fibre.
9. The preparation method according to claim 8, wherein the preparing a
ceramide microcapsule comprises the steps of:
a) preparing a core material emulsion;
b) preparing a wall material emulsion; and
c) mixing the wall material emulsion with the core material emulsion, and then drying
and grinding the same.
Cotton pulp Dipping Squeezing Pulverizin Aging g
Xanthatio Continuous Filtration Deaeration dissolution n
Fig. 1
1/1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474226.X | 2018-12-04 | ||
| CN201811474226.XA CN109537082A (en) | 2018-12-04 | 2018-12-04 | A kind of regenerated celulose fibre and preparation method thereof containing ceramide microcapsules |
| PCT/CN2019/086092 WO2020113902A1 (en) | 2018-12-04 | 2019-05-09 | Regenerated cellulose fiber containing ceramide microcapsule and preparation method therefor |
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| AU2019394406A1 true AU2019394406A1 (en) | 2020-12-03 |
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| AU2019394406A Pending AU2019394406A1 (en) | 2018-12-04 | 2019-05-09 | Regenerated cellulose fiber containing ceramide microcapsule and preparation method therefor |
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| AU2019101765A Active AU2019101765A4 (en) | 2018-12-04 | 2019-05-09 | Regenerated cellulose fiber containing ceramide microcapsule and preparation method therefor |
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| Country | Link |
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| CN (1) | CN109537082A (en) |
| AU (2) | AU2019101765A4 (en) |
| WO (1) | WO2020113902A1 (en) |
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| CN109537082A (en) * | 2018-12-04 | 2019-03-29 | 江苏金太阳纺织科技股份有限公司 | A kind of regenerated celulose fibre and preparation method thereof containing ceramide microcapsules |
| CN110359108A (en) * | 2019-08-05 | 2019-10-22 | 北京宇田相变储能科技有限公司 | A kind of functional fiber cellulose fiber and the preparation method and application thereof |
| CN110735195B (en) * | 2019-09-03 | 2022-07-29 | 冯杰宝 | Shea butter-containing regenerated cellulose fiber and preparation method thereof |
| CN112094419B (en) * | 2020-09-16 | 2022-08-19 | 青岛迦南美地家居用品有限公司 | Hyaluronic acid microcapsule, fiber containing hyaluronic acid microcapsule, preparation method and application |
| CN114182380B (en) * | 2020-12-18 | 2023-09-01 | 青岛尼希米生物科技有限公司 | Tea tree oil antibacterial health-care cellulose fiber and preparation method thereof |
| CN113322530A (en) * | 2021-05-06 | 2021-08-31 | 湖北金环绿色纤维有限公司 | Preparation method of flame-retardant cellulose fiber |
| CN114053965B (en) * | 2021-12-08 | 2024-05-14 | 罗莱生活科技股份有限公司 | Ceramide microcapsule, modified viscose fiber, and preparation method and application thereof |
| CN117418323B (en) * | 2023-11-17 | 2024-05-28 | 南通赛晖科技发展股份有限公司 | Multifunctional regenerated cellulose fiber and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW200839056A (en) * | 2007-03-29 | 2008-10-01 | Univ Shu Te | Microcapsule composition, manufacturing method and application thereof |
| JP2010047493A (en) * | 2008-08-19 | 2010-03-04 | Septem Soken:Kk | Microcapsule and skin external preparation containing the same |
| CN105463604A (en) * | 2015-12-25 | 2016-04-06 | 江苏金太阳纺织科技股份有限公司 | Preparation method of regenerated cellulose fiber containing cinnamon oil microcapsule |
| CN106048763B (en) * | 2016-07-19 | 2018-06-29 | 青岛不漂不色健康纺织品有限公司 | A kind of motherwort cellulose fibre and preparation method thereof |
| CN106948020A (en) * | 2017-04-01 | 2017-07-14 | 百事基材料（青岛）股份有限公司 | A kind of micro- energy tonifying Qi cellulose fibre of ginseng and preparation method thereof |
| CN108606944A (en) * | 2018-05-29 | 2018-10-02 | 苏州蔻美新材料有限公司 | A kind of moisturizing essence microcapsules and preparation method thereof |
| CN109537082A (en) * | 2018-12-04 | 2019-03-29 | 江苏金太阳纺织科技股份有限公司 | A kind of regenerated celulose fibre and preparation method thereof containing ceramide microcapsules |
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| CN109537082A (en) | 2019-03-29 |
| WO2020113902A1 (en) | 2020-06-11 |
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