CN115302875B

CN115302875B - Down-locked down jacket inner and outer lining fabric and preparation method thereof

Info

Publication number: CN115302875B
Application number: CN202210847288.0A
Authority: CN
Inventors: 吴昆明; 张传贵; 聂平; 赵传书; 高吉娜
Original assignee: Gaofan Zhejiang Information Technology Co Ltd
Current assignee: Gaofan Zhejiang Information Technology Co Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-07-04
Anticipated expiration: 2042-07-19
Also published as: CN115302875A

Abstract

The invention relates to a down-locked down jacket inner and outer lining fabric and a preparation method thereof, which are woven by nylon and ramie fibers and serve as a base breathable fabric, wherein two groups of expansion fibers are woven in a staggered manner by simulating a skin pore heating micro-stretching phenomenon, when the temperature in a wearer rises, the two groups of expansion fibers are expanded, at the moment, the section of a breathable channel is reduced, the loss of heat on the surface of the down jacket can be effectively avoided, the warmth retention property of the down jacket is enhanced under the action of a heat preservation layer, on the other hand, the heat loss is reduced, when the diameter of a pore canal of the breathable channel is reduced until the breathable channel is in a closed state, at the moment, the integral warmth retention property is good, and when the diameter of the pore canal of the breathable channel is reduced until the breathable channel is in a fully stretched state, the breathability of the fabric is enhanced, and the down-locked layer is additionally added, so that the breathability of the integral fabric can be effectively ensured on the premise of good breathability.

Description

Down-locked down jacket inner and outer lining fabric and preparation method thereof

Technical Field

The invention belongs to the technical field of inner and outer lining materials of down jackets, and particularly relates to a down locking type inner and outer lining material of down jackets and a preparation method thereof.

Background

The jacket filled with the down filling material in the down jacket has huge and round appearance. The down jacket is generally made of more than half of duck down, and meanwhile, small feathers can be mixed, the duck down is cleaned, sterilized at high temperature, and then the down jacket is filled in the clothes. The down jacket has the best warmth retention property. Most people in cold areas wear the shoes, and are commonly used by extremely-surveyors.

The inner lining fabric and the outer lining fabric are one of the most important parts in the down jacket, the quality of the down jacket is directly affected, at present, the inner lining fabric and the outer lining fabric are in direct contact with the down, and at the moment, the down can fly out along gaps of the fabrics, so as to solve the phenomenon of down penetration, the inner lining fabric and the outer lining fabric of the down jacket adopt fabrics with poor air permeability to prevent the phenomenon of down penetration, but the air permeability is poor, on one hand, the wearing experience of a wearer is affected, on the other hand, the down jacket is difficult to dry quickly when being cleaned, the air permeability of the inner lining fabric and the outer lining fabric of the down jacket is difficult to change according to the temperature environment, and the down penetration prevention performance is good at the same time when the air permeability of the inner lining fabric and the outer lining fabric of the down jacket is good, and the down-locking type down jacket inner lining fabric and the down jacket are provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems and provides a down locking type down jacket inner and outer lining fabric and a preparation method thereof.

The invention realizes the above purpose through the following technical scheme:

the down-locking down jacket lining fabric sequentially comprises a heat preservation layer, a down-locking layer, a breathing layer, a waterproof layer and an anti-wind layer from inside to outside,

it should be further described that the following mass percentages are: the heat insulation layer comprises 60% of wool fibers and 40% of acrylic fibers, the down locking layer comprises 30% of flax fibers and 70% of bamboo charcoal fibers, the waterproof layer comprises 80% of terylene and 20% of waterproof paint, the wind resistant layer comprises 75% of cotton and 25% of acrylic coating, and the respiratory layer comprises 30% -40% of nylon and 60% -70% of ramie fibers.

Wherein, the existence of water and the improvement of temperature make the tip of the scale of wool fibre open, and the fabric receives external force extrusion simultaneously, and wool fibre in the woolen base is forced to take place to move, because directional friction effect, wool fibre removes has certain directionality. When the external force is removed, the adjacent wool scales are mutually engaged and locked, so that the wool fibers are kept at a new position, the curling form of the wool fibers is slowly restored, and the wool fibers are engaged more tightly due to the directional friction effect in the movement process. The wool tops of the wool fibers are mutually wound under the action of external force repeatedly, so that the fabric is felted, and the extensibility of the integral heat-insulating layer is reinforced by the acrylic fibers, so that the cold-dispelling and heat-insulating fabric is convenient to cool.

Secondly, the burrs formed on the outer surface of the flax fiber are more and are formed by interweaving the flax fiber with the bamboo charcoal fiber, the bamboo charcoal fiber has the functions of moisture absorption and sweat release, the burrs are positioned in the inner gaps of the velvet locking layer, and the bamboo charcoal fiber has good velvet locking function and simultaneously can effectively play roles of moisture absorption and sweat release.

Finally, the waterproof layer and the wind-resistant layer are used for improving the overall performance of the down jacket fabric.

The breathing layer comprises nylon and ramie fibers which are arranged in a staggered mode, air holes are formed between the nylon and the ramie fibers, two groups of staggered winding expansion fibers are arranged in the air holes, and air-permeable channels are formed between the two groups of expansion fibers;

the breathable fabric is woven by nylon and ramie fibers and is used as a base breathable fabric, two groups of expansion fibers are woven in a staggered manner in the air holes formed between the nylon and the ramie fibers through simulating the skin pore heating micro-stretch phenomenon, wherein the expansion fibers are made of heated expansion materials, when the temperature in a wearer rises, the two groups of expansion fibers expand, at the moment, the section of an air ventilation channel is reduced, the heat loss on the surface of the down jacket can be effectively avoided, the heat retention of the down jacket is enhanced under the action of a heat insulation layer, and on the other hand, the heat loss is reduced.

As a further optimization scheme of the invention, the expansion fiber comprises modified cotton fiber, the cross section of the modified cotton fiber is provided with a plurality of groups of reduced parts, the outside of the modified cotton fiber is provided with an expansion layer, the outside of the expansion layer is provided with a protective layer, and the reduced parts are positioned in the air holes.

Because the outside of modified cotton fiber is equipped with the expansion layer, the thickness of the expansion layer that is located the modified cotton fiber portion department of reducing is higher than other parts of modified cotton fiber, consequently, the expansion effect of the expansion layer in the portion of reducing is good, and make the expansion layer that is located the portion of reducing take place fast expansion, the pore diameter of ventilative passageway diminishes until being in the closed state this moment, at this moment, holistic warmth retention is good, when the pore diameter of ventilative passageway diminishes until being in when opening completely, at this moment, the whole gas permeability of surface fabric is strengthened, in addition, under the effect of locking fine hair layer, under the prerequisite that the gas permeability is good, can effectual assurance whole surface fabric's gas permeability.

As a further optimization scheme of the invention, the modified cotton fiber comprises cotton fiber and a stabilizer, wherein the stabilizer is rubber, the expansion layer is made of polyvinylidene fluoride, and the expansion layer and the modified cotton fiber are made into twisted fiber with uniform diameter. The protective layer is made of waterproof paint. The modified cotton fiber has good overall adsorptivity, and the elasticity of the whole modified cotton fiber is greatly enhanced by adding the stabilizer.

As a further optimization scheme of the invention, two groups of expansion fibers are arranged in the air holes in an expansion mode, and the two groups of expansion fibers form an elliptic structure.

As a further optimization scheme of the invention, the preparation method of the down locking type down jacket lining fabric comprises the following steps:

s1: according to the proportion, interweaving wool fibers and acrylic fibers into an insulation layer, preparing flax fibers and bamboo charcoal fibers into a down locking layer, spraying waterproof paint on fabric made of polyester to obtain a waterproof layer, and coating acrylic acid coating on fabric made of cotton to obtain an anti-wind layer;

s2: the nylon and the ramie fibers are woven into the breathable fabric with the breathable holes in a staggered mode according to the proportion;

s3: putting quantitative cotton fiber into a stirring barrel, adding a mixture of quantitative water and a stabilizing agent into the stirring barrel, mixing and stirring the mixture for 30min, controlling the heating temperature to 90 ℃, forming modified cotton fiber, twisting the middle part of the obtained modified cotton fiber, forming a reduced part on the outer surface of the modified cotton fiber, soaking the modified cotton fiber with the reduced part in a solution made of polyvinylidene fluoride, airing to obtain pre-expanded fiber with equal cut area, and coating a protective layer on the outer surface of the pre-expanded fiber to obtain the expanded fiber;

s4: taking two groups of expansion fibers and crossing the ventilation holes of the ventilation fabric to obtain a breathing layer;

s5: sequentially taking an insulating layer, a down locking layer, a breathing layer, a waterproof layer and an anti-wind layer, coating glue between adjacent layers, overlapping layer by layer, controlling the hot pressing temperature to be 100 ℃ and the hot pressing time to be 1H by using a hot press, and finally forming the down jacket lining fabric.

The invention has the beneficial effects that: the down jacket lining fabric is woven by nylon and ramie fibers and is used as a base breathable fabric, two groups of expansion fibers are woven in a staggered manner in air holes formed between the nylon and the ramie fibers through simulating the skin pore heating micro-stretch phenomenon, wherein the expansion fibers are heating expansion materials, when the temperature in a wearer rises, the two groups of expansion fibers expand, at the moment, the section of a breathable channel is reduced, the loss of heat on the surface of the down jacket can be effectively avoided, the warmth retention property of the down jacket is enhanced under the action of a heat preservation layer, and on the other hand, the loss of heat is reduced;

in addition, the expansion layer is arranged outside the modified cotton fiber, the thickness of the expansion layer at the reduced part of the modified cotton fiber is higher than that of other parts of the modified cotton fiber, so that the expansion effect of the expansion layer in the reduced part is good, the expansion layer in the reduced part is enabled to expand rapidly, the pore diameter of the ventilation channel is reduced until the pore diameter is in a closed state, at the moment, the whole warmth retention property is good, when the pore diameter of the ventilation channel is reduced until the pore diameter is completely opened, at the moment, the whole ventilation property of the fabric is enhanced, and under the action of the velvet locking layer, the ventilation property of the whole fabric can be effectively ensured on the premise of good ventilation property.

Drawings

FIG. 1 is a schematic view of the primary view axis side architecture of the present invention;

FIG. 2 is a schematic diagram of the primary visual axis side structure of the respiratory layer of the present invention;

FIG. 3 is a schematic view of a primary visual axis side structure of two sets of expanded fiber arrays according to the present invention;

FIG. 4 is a schematic view showing a sectional structure of a modified cotton fiber in a constant temperature morphological state according to the present invention;

FIG. 5 is a schematic view showing an expanded front sectional structure of a modified cotton fiber of the present invention.

In the figure: 1. a heat preservation layer; 2. locking the velvet layer; 3. a respiratory layer; 31. chinlon; 32. ramie fibers; 33. ventilation holes; 34. an expanded fiber; 341. modified cotton fibers; 342. a shrinking section; 343. an expansion layer; 344. a protective layer; 35. a ventilation channel; 4. a waterproof layer; 5. and an anti-wind layer.

Detailed Description

The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.

Examples

As shown in figure 1, the down-locking down jacket lining fabric sequentially comprises a heat preservation layer 1, a down-locking layer 2, a breathing layer 3, a waterproof layer 4 and an anti-wind layer 5 from inside to outside,

it should be further described that the following mass percentages are: the heat preservation layer 1 comprises 60% of wool fibers and 40% of acrylic fibers, the down locking layer 2 comprises 30% of flax fibers and 70% of bamboo charcoal fibers, the waterproof layer 4 comprises 80% of terylene and 20% of waterproof paint, the wind resistant layer 5 comprises 75% of cotton and 25% of acrylic coating, and the breathing layer 3 comprises 30% -40% of nylon 31 and 60% -70% of ramie fibers 32.

Wherein, the existence of water and the improvement of temperature make the tip of the scale of wool fibre open, and the fabric receives external force extrusion simultaneously, and wool fibre in the woolen base is forced to take place to move, because directional friction effect, wool fibre removes has certain directionality. When the external force is removed, the adjacent wool scales are mutually engaged and locked, so that the wool fibers are kept at a new position, the curling form of the wool fibers is slowly restored, and the wool fibers are engaged more tightly due to the directional friction effect in the movement process. The wool tops of the wool fibers are mutually wound under the action of external force repeatedly, so that the fabric is felted, and the extensibility of the integral heat-insulating layer 1 is reinforced by the acrylic fibers, so that the integral heat-insulating layer is convenient for cold dispelling and heat insulation.

Secondly, the burrs formed on the outer surface of the flax fiber are more and are formed by interweaving the flax fiber with the bamboo charcoal fiber, the bamboo charcoal fiber has the functions of moisture absorption and sweat release, the burrs are positioned in the inner gaps of the velvet locking layer 2, and the bamboo charcoal fiber has good velvet locking function and simultaneously can effectively play roles of moisture absorption and sweat release.

Finally, through the waterproof layer 4 and the wind-resistant layer 5, the overall performance of the down jacket fabric is improved.

As shown in fig. 2-3, the breathing layer 3 includes nylon 31 and ramie fibers 32 that are arranged in a staggered manner, wherein the nylon 31 and the ramie fibers 32 are staggered, or two groups of nylon 31 are staggered to form first fibers, two groups of ramie fibers 32 are staggered to form second fibers, the first fibers and the second fibers are staggered to form two groups of ramie fibers, air holes 33 are formed between the nylon 31 and the ramie fibers 32, two groups of staggered winding expansion fibers 34 are arranged in the air holes 33, and air-permeable channels 35 are formed between the two groups of expansion fibers 34;

the nylon 31 and the ramie fibers 32 are used for weaving and used as a base breathable fabric, two groups of expansion fibers 34 are woven in a staggered manner in the air holes 33 formed between the nylon 31 and the ramie fibers 32 through simulating the skin pore heating micro-stretch phenomenon, wherein the expansion fibers 34 are made of a heating expansion material, when the temperature in a wearer rises, the two groups of expansion fibers 34 expand, at the moment, the section of the breathable channel 35 is reduced, the heat loss on the surface of the down jacket can be effectively avoided, the warmth retention property of the down jacket is enhanced under the action of the heat preservation layer 1, and on the other hand, the heat loss is reduced.

The expansion fiber 34 includes a modified cotton fiber 341, a plurality of groups of shrinking portions 342 are formed on the cross section of the modified cotton fiber 341, an expansion layer 343 is disposed on the outer portion of the modified cotton fiber 341, a protective layer 344 is disposed on the outer portion of the expansion layer 343, and the shrinking portions 342 are located in the ventilation holes 33.

As shown in fig. 4-5, since the expansion layer 343 is disposed outside the modified cotton fibers 341, and the thickness of the expansion layer 343 at the reduced portion 342 of the modified cotton fibers 341 is higher than that of other portions of the modified cotton fibers 341, the expansion effect of the expansion layer 343 in the reduced portion 342 is good, and the expansion layer 343 in the reduced portion 342 is made to expand rapidly, at this time, the state of the modified cotton fibers 341 is shown in the state of fig. 5, the pore diameter of the ventilation channel 35 is reduced until the pore diameter is in the closed state, at this time, the overall warmth retention property is good, and when the pore diameter of the ventilation channel 35 is reduced until the pore diameter is completely opened, the modified cotton fibers 341 is in the state of fig. 4, so that the overall ventilation of the fabric is enhanced, and in addition, under the action of the lock pile layer 2, the ventilation property of the overall fabric can be effectively ensured on the premise of good ventilation property.

The modified cotton fiber 341 comprises cotton fiber and stabilizer, the stabilizer is rubber, the expansion layer 343 is made of polyvinylidene fluoride, and the expansion layer 343 and the modified cotton fiber 341 are made into twisted fiber with uniform diameter. The protective layer 344 is made of a waterproof paint. The whole adsorptivity of the modified cotton fiber 341 is good, and the elasticity of the whole modified cotton fiber 341 is greatly enhanced by adding the stabilizer.

Two groups of expansion fibers 34 are arranged in the air holes 33 in an expansion mode, and the two groups of expansion fibers 34 form an elliptic structure.

The preparation method of the down locking type down jacket lining fabric comprises the following steps:

s1: according to the proportion, interweaving wool fibers and acrylic fibers into an insulation layer 1, preparing flax fibers and bamboo charcoal fibers into a down locking layer 2, spraying waterproof paint on a fabric made of polyester to obtain a waterproof layer 4, and coating an acrylic coating on the fabric made of cotton to obtain an anti-wind layer 5;

s2: the nylon 31 and the ramie 32 are woven in a staggered mode according to the proportion to form the breathable fabric with the breathable holes 33;

s3: putting quantitative cotton fiber into a stirring barrel, adding a mixture of quantitative water and a stabilizing agent into the stirring barrel, mixing and stirring the mixture for 30min, controlling the heating temperature to 90 ℃, forming modified cotton fiber 341, twisting the middle part of the obtained modified cotton fiber 341 and forming a reduced part 342 on the outer surface of the modified cotton fiber 341, soaking the modified cotton fiber 341 with the reduced part 342 into a solution made of polyvinylidene fluoride, airing to obtain pre-expanded fiber with equal cut areas, and coating a protective layer 344 on the outer surface of the pre-expanded fiber to obtain expanded fiber 34;

s4: taking two groups of expansion fibers 34 and crossing the ventilation holes 33 of the ventilation fabric to obtain a breathing layer 3;

s5: sequentially taking the heat preservation layer 1, the down locking layer 2, the breathing layer 3, the waterproof layer 4 and the wind-resistant layer 5, coating glue between adjacent layers, overlapping layer by layer, controlling the hot pressing temperature at 100 ℃ and the hot pressing time at 1H by using a hot press, and finally forming the down jacket lining fabric.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims

1. The down-locking down jacket lining fabric is characterized by sequentially comprising an insulation layer (1), a down-locking layer (2), a breathing layer (3), a waterproof layer (4) and an anti-wind layer (5) from inside to outside, wherein the breathing layer (3) comprises nylon (31) and ramie fibers (32) which are arranged in a staggered mode in pairs, ventilation holes (33) are formed between the nylon (31) and the ramie fibers (32), two groups of staggered winding expansion fibers (34) are arranged in the ventilation holes (33), ventilation channels (35) are formed between the two groups of expansion fibers (34), the expansion fibers (34) comprise modified cotton fibers (341), a plurality of groups of shrinkage portions (342) are formed in the cross section of the modified cotton fibers (341), an expansion layer (343) is arranged outside the modified cotton fibers (341), a protective layer (344) is arranged outside the expansion layer (343), and the shrinkage portions (342) are located in the ventilation holes (33).

The modified cotton fiber (341) comprises cotton fiber and a stabilizer, the stabilizer is rubber, the expansion layer (343) is made of polyvinylidene fluoride, and the expansion layer (343) and the modified cotton fiber (341) are made into twisted fiber with uniform diameter;

the two groups of expansion fibers (34) are arranged in the air holes (33) in an expansion mode, and the two groups of expansion fibers (34) form an elliptic structure.

2. The down locking down jacket lining according to claim 1, wherein: the weight percentages are as follows: the heat insulation layer (1) comprises 50% -60% of wool fibers and 40% -50% of acrylic fibers, the down locking layer (2) comprises 30% -45% of flax fibers and 55% -70% of bamboo charcoal fibers, the waterproof layer (4) comprises 80% -90% of terylene and 10% -20% of waterproof paint, the wind resistant layer (5) comprises 75% -85% of cotton and 15% -25% of acrylic acid coating, and the breathing layer (3) comprises 30% -40% of chinlon (31) and 60% -70% of ramie fibers (32).

3. The down locking down jacket lining according to claim 1, wherein: the protective layer (344) is made of a waterproof coating.

4. A method for preparing the down-locked down jacket lining fabric according to any one of claims 1 to 3, which is characterized in that: the preparation method comprises the following steps:

s1: the method comprises the steps of interweaving wool fibers and acrylic fibers into an insulation layer (1), preparing flax fibers and bamboo charcoal fibers into a locking velvet layer (2), spraying waterproof paint on fabric made of polyester to obtain a waterproof layer (4), and coating acrylic acid coating on fabric made of cotton to obtain an anti-wind layer (5);

s2: the nylon (31) and the ramie fibers (32) are interwoven into a breathable fabric with ventilation holes (33);

s3: putting quantitative cotton fibers into a stirring barrel, adding a mixture of quantitative water and a stabilizing agent into the stirring barrel, mixing and heating to form modified cotton fibers (341), twisting the middle part of the obtained modified cotton fibers (341) and forming reduced parts (342) on the outer surfaces of the modified cotton fibers (341), soaking the modified cotton fibers (341) with the reduced parts (342) into a solution made of polyvinylidene fluoride, airing to obtain pre-expanded fibers with equal cut areas, and coating protective layers (344) on the outer surfaces of the pre-expanded fibers to obtain expanded fibers (34);

s4: taking two groups of expansion fibers (34) and crossing ventilation holes (33) of the ventilation fabric to obtain a breathing layer (3);

s5: sequentially taking an insulating layer (1), a down locking layer (2), a breathing layer (3), a waterproof layer (4) and an anti-wind layer (5), coating glue between adjacent layers, overlapping layer by layer, and forming the down jacket lining fabric by using a hot pressing technology.

5. The method for preparing the down locking down jacket lining material according to claim 4, which is characterized in that: in the step S5, the hot pressing temperature range is 100-200 ℃ and the hot pressing time range is 1H-1.5H.

6. The method for preparing the down locking down jacket lining material according to claim 4, which is characterized in that: in the step S3, the mixture is mixed and stirred for 30min-50min, and the heating temperature of the mixture is 90-150 ℃.