Anti-drilling down jacket liner and manufacturing method thereof

Abstract

The invention relates to an anti-drilling down jacket liner and a manufacturing method thereof. The warp and weft are woven into a double-sided plain fabric; mixed fibers are ultrasonically dispersed into a heated liquid colloidal mixture, and the mixture is solidified and crushed to obtain filling particles. The invention fills filling particles in the drilling down pores on the double-sided plain fabric, and covers the drilling down pores by bonding the filling particles to the warp and weft forming the drilling down pores, thereby obtaining the anti-drilling down jacket liner. The filling particles are not likely to fall off in large pieces, thereby improving the anti-drilling down effect of the anti-drilling down jacket liner. Modified EPDM rubber is used in the filling particles, and the modified EPDM rubber can well improve the problem of easy falling off of the filling particles, and makes the anti-drilling down jacket liner not easy to deform. Even in the long-term use process, the anti-drilling down jacket liner can maintain a good anti-drilling down effect, thereby improving the service life of the anti-drilling down jacket liner.

Description

Technical Field

[0001] The invention belongs to the technical field of down jacket fabrics, and particularly relates to an anti-down drilling down jacket liner and a manufacturing method thereof. Background Art

[0002] The anti-down drilling treatment for the lining of down jackets usually includes spraying or dipping the fabric with polyurethane glue, but the polyurethane glue forms a continuous coating on the outer surface of the fabric. This method has the following disadvantages: the fabric is easy to deform after repeated washing, the adhesion effect of the polyurethane glue coating to the fabric is poor, and the continuous coating is prone to cracking and warping, and even large pieces may fall off continuously due to cracking or warping at a certain position, thereby greatly reducing the anti-down drilling effect of the fabric and shortening the service life of the fabric. Summary of the invention

[0003] The purpose of the present invention is to provide a down jacket liner that prevents down from penetrating and a method for making the same in order to solve the above-mentioned problem.

[0004] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0005] The anti-drilling down jacket liner and the manufacturing method thereof, the specific steps are as follows:

[0006] S1, weaving the warp and weft into a double-sided plain fabric for future use;

[0007] S2, ultrasonically dispersing the mixed fiber into the heated liquid colloidal mixture, and crushing it after solidification to obtain filling particles;

[0008] S3, spraying the filling particles onto the surface of the double-sided plain fabric, vibrating to allow the filling particles to enter the pores of the drilled fleece, and then cooling after heat pressing for standby use, wherein the filling particles will melt after the heat pressing treatment and adhere to the surrounding double-sided plain fabric;

[0009] S4, repeat step S3 until the filling particles fully cover the velvet pores on the double-sided plain fabric and then proceed to the next process;

[0010] S5, performing calendering treatment on the double-sided plain fabric treated in step S4, and naturally cooling the fabric to obtain an anti-down drilling down jacket liner.

[0011] As a further optimization scheme of the present invention, in step S2, the mass of the colloid mixture in the filling particles is 60% to 80%.

[0012] As a further optimization scheme of the present invention, the weight ratio of each raw material in the colloid mixture is: 80-100 parts of polyurethane glue, 6-20 parts of modified EPDM rubber, 1-3.5 parts of divinylbenzene, 6-10 parts of urethane grade ethyl acetate, 3-7 parts of ethyl acetate, and 28-35 parts of deionized water.

[0013] As a further optimization scheme of the present invention, the weight ratio of each raw material in the modified EPDM rubber is: 80-135 parts of EPDM rubber, 10-20 parts of brominated butyl rubber, 10-20 parts of styrene copolymer maleic anhydride, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 20-30 parts of adhesive RS, 15-20 parts of white carbon black, 25-40 parts of carbon black, 10-20 parts of paraffin oil, 1-2 parts of sulfur, 5-8 parts of crosslinking aid PL500, and 17-30 parts of deionized water.

[0014] As a further optimization scheme of the present invention, the preparation method of the modified EPDM rubber is specifically as follows: EPDM rubber, brominated butyl rubber, and styrene copolymer maleic anhydride are mixed in an internal mixer for 2 to 4 minutes, kept warm at 35°C for 18 hours, and then zinc oxide, stearic acid, adhesive RS, white carbon black, carbon black, paraffin oil, sulfur, and crosslinking aid PL500 are added in sequence and mixed for 6 to 10 minutes, and then output from the internal mixer, naturally cooled and crushed to obtain the modified EPDM rubber.

[0015] As a further optimization scheme of the present invention, the banburying temperature is 145-165°C.

[0016] As a further optimization solution of the present invention, in step S3, the diameter of the filling particles is smaller than the diameter of the drill pile pores.

[0017] A down-proof down jacket liner prepared according to a method for making a down-proof down jacket liner comprises a double-sided plain weave fabric, down-proof pores evenly distributed on the double-sided plain weave fabric, and filling particles filled in the down-proof pores.

[0018] As a further optimization scheme of the present invention, the filling particles are bonded to the warp and weft threads constituting the drilled pile pores to cover the drilled pile pores.

[0019] The beneficial effects of the present invention are:

[0020] 1) The present invention fills the down drilling pores on the double-sided plain fabric with filling particles, and covers the down drilling pores by bonding the filling particles to the warp and weft threads constituting the down drilling pores, thereby obtaining an anti-down drilling down jacket liner. The filling particles are not likely to fall off in large pieces, thereby improving the anti-down drilling effect of the anti-down drilling down jacket liner.

[0021] 2) The modified EPDM rubber is used in the filling particles of the present invention. The modified EPDM rubber can well improve the problem of easy falling off of the filling particles, and make the anti-down drilling down jacket liner not easy to deform. Even during long-term use, the anti-down drilling down jacket liner can maintain a good anti-down drilling effect, thereby increasing the service life of the anti-down drilling down jacket liner. DETAILED DESCRIPTION

[0022] The present application is described in further detail below. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0023] If no specific techniques and conditions are specified in the examples, the experiments were carried out according to the techniques and conditions described in the literature in the field. If no manufacturer is specified for the reagents or instruments used, they are all conventional products that can be purchased commercially.

[0024] Example 1

[0025] The anti-drilling down jacket liner and the manufacturing method thereof, the specific steps are as follows:

[0026] S1, weaving the warp and weft into a double-sided plain fabric for future use;

[0027] S2, ultrasonically dispersing the mixed fiber into the heated liquid colloidal mixture, and crushing it after solidification to obtain filling particles, wherein the mass of the colloidal mixture in the filling particles is 75%;

[0028] S3, spraying the filling particles onto the surface of the double-sided plain fabric, vibrating to allow the filling particles to enter the pores of the drilled fleece, and then cooling after hot pressing for standby use, wherein the diameter of the filling particles is smaller than the diameter of the pores of the drilled fleece, and the filling particles will melt after the hot pressing treatment and adhere to the surrounding double-sided plain fabric, and the hot pressing temperature is 185°C (±5°C);

[0029] S4, repeat step S3 until the filling particles fully cover the velvet pores on the double-sided plain fabric and then proceed to the next process;

[0030] S5, performing calendering treatment on the double-sided plain fabric treated in step S4, and naturally cooling the fabric to obtain an anti-down drilling down jacket liner.

[0031] The raw materials in the colloid mixture include: polyurethane glue, modified EPDM rubber, divinyl benzene, urethane-grade ethyl acetate, ethyl acetate and deionized water.

[0032] The raw materials in the mixed fiber are calculated by percentage, including 15% Tencel fiber, 65% cotton fiber and 20% wool fiber.

[0033] The raw materials in the modified EPDM rubber include: 80 parts of EPDM rubber, 20 parts of brominated butyl rubber, 10 parts of styrene copolymer maleic anhydride, 10 parts of zinc oxide, 3 parts of stearic acid, 30 parts of adhesive RS, 20 parts of white carbon black, 40 parts of carbon black, 20 parts of paraffin oil, 2 parts of sulfur, 8 parts of crosslinking aid PL500, and 17 parts of deionized water.

[0034] The preparation method of the modified EPDM rubber is specifically as follows: EPDM rubber, brominated butyl rubber, and styrene copolymerized maleic anhydride are mixed in an internal mixer for 3 minutes at a mixing temperature of 148° C. (±3° C.), and kept at 35° C. for 18 hours. Zinc oxide, stearic acid, adhesive RS, white carbon black, carbon black, paraffin oil, sulfur, and crosslinking aid PL500 are then added in sequence and mixed for 7 minutes at a mixing temperature of 152° C. (±3° C.). The mixture is output from the internal mixer, cooled naturally, and crushed to obtain the modified EPDM rubber.

[0035] In order to study the influence of various factors in the production method of anti-drilling down jacket liner on the produced anti-drilling down jacket liner, a variety of production schemes were designed for production. The specific schemes are shown in Table 1:

[0036] Table 1

[0037]

[0038] In order to verify the effect of the present invention, the anti-drilling down jacket liners produced in Examples 1-3 were tested, and the test items were moisture permeability test, hydrostatic pressure test, anti-drilling down test, anti-deformation test and weight loss test. The specific test methods are as follows:

[0039] The water vapor permeability test is carried out according to the determination method of GB / T12704.1-2009.

[0040] The hydrostatic pressure test is carried out in accordance with the determination method of GB / T4744-1997.

[0041] The anti-down drilling test is carried out according to the determination method of GB / T12705-1991.

[0042] The specific method of the anti-deformation test is to measure the outer surface area of ​​the sample after the anti-down test and record it as S1, then place the sample in a washing machine for cleaning for 96 hours at a speed of 1400 rpm. Spread the cleaned sample flat on the table, dry it naturally, and then measure the outer surface area of ​​the sample again and record it as S2. The result calculated by the formula (S2-S1) / S1 is the deformation rate of the sample.

[0043] The specific method of the weight reduction test is to measure the weight of the sample after the anti-down test and record it as W1, measure the weight of the sample after the anti-deformation test and record it as W2, and calculate the result by the formula (W1-W2) / W1, which is the weight loss rate of the sample.

[0044] The specific test results are shown in Table 2:

[0045] Table 2

[0046]

[0047] Experimental conclusion: According to the data in Table 2, the anti-down drilling effect of the anti-down drilling down jacket liner produced according to the production scheme of Example 2 is the best, and it is not easy to deform and lose weight after long-term use, that is, the anti-down drilling down jacket liner has low loss and long service life.

[0048] Example 4

[0049] The weight ratio of each raw material in the modified EPDM rubber is adjusted to: 105 parts of EPDM rubber, 15 parts of brominated butyl rubber, 15 parts of styrene copolymer maleic anhydride, 7 parts of zinc oxide, 2 parts of stearic acid, 25 parts of adhesive RS, 17 parts of white carbon black, 34 parts of carbon black, 15 parts of paraffin oil, 1.5 parts of sulfur, 6.5 parts of cross-linking aid PL500, and 27 parts of deionized water.

[0050] The remaining steps and the remaining raw material ratios are consistent with those in Example 2.

[0051] According to the above test method, the results detected in Example 4 are as follows: number of drill piles: 2; hydrostatic pressure: 383 kPa; moisture permeability: 2156 g / (m2·d); deformation rate: 2.3%; and weight loss rate: 1.6%.

[0052] Experimental conclusion: According to the experimental test data of Example 2 and Example 4, it can be learned that the anti-down drilling effect of the anti-down drilling down jacket liner produced according to the production scheme of Example 4 is better, and the deformation rate and weight loss rate after long-term use are lower, so Example 4 is the best solution.

[0053] In order to verify the influence of various factors on the anti-drilling effect, anti-deformation effect and loss of the anti-drilling down jacket liner in the treatment method of the present invention, comparative examples 1-3 are set, as shown below:

[0054] Comparative Example 1

[0055] The anti-drilling down jacket liner and the manufacturing method thereof, the specific steps are as follows:

[0056] S1, weaving the warp and weft into a double-sided plain fabric for future use;

[0057] S2, ultrasonically dispersing the mixed fiber into the heated liquid colloidal mixture, and crushing it after solidification to obtain filling particles, wherein the mass of the colloidal mixture in the filling particles is 75%;

[0058] S3, spraying the filling particles onto the surface of the double-sided plain fabric, vibrating to allow the filling particles to enter the pores of the drilled fleece, and then cooling after hot pressing for standby use, wherein the diameter of the filling particles is smaller than the diameter of the pores of the drilled fleece, and the filling particles will melt after the hot pressing treatment and adhere to the surrounding double-sided plain fabric, and the hot pressing temperature is 185°C (±5°C);

[0059] S4, repeat step S3 until the filling particles fully cover the velvet pores on the double-sided plain fabric and then proceed to the next process;

[0060] S5, performing calendering treatment on the double-sided plain fabric treated in step S4, and naturally cooling the fabric to obtain an anti-down drilling down jacket liner.

[0061] The raw materials in the colloid mixture are adjusted to: polyurethane glue, EPDM rubber, divinyl benzene, urethane-grade ethyl acetate, ethyl acetate, and deionized water.

[0062] The raw materials in the mixed fiber are calculated by percentage, including 15% Tencel fiber, 65% cotton fiber and 20% wool fiber.

[0063] Comparative Example 2

[0064] The raw materials in the modified EPDM rubber are adjusted to: 105 parts of EPDM rubber, 15 parts of brominated butyl rubber, 15 parts of maleic anhydride grafted polybutadiene, 7 parts of zinc oxide, 2 parts of stearic acid, 25 parts of adhesive RS, 17 parts of white carbon black, 34 parts of carbon black, 15 parts of paraffin oil, 1.5 parts of sulfur, 6.5 parts of cross-linking aid PL500, and 27 parts of deionized water.

[0065] The preparation method of the modified EPDM rubber is specifically as follows: EPDM rubber, brominated butyl rubber, and maleic anhydride grafted polybutadiene are mixed in an internal mixer for 3 minutes at a mixing temperature of 148° C. (±3° C.), and kept at 35° C. for 18 hours. Zinc oxide, stearic acid, adhesive RS, white carbon black, carbon black, paraffin oil, sulfur, and crosslinking aid PL500 are then added in sequence and mixed for 7 minutes at a mixing temperature of 152° C. (±3° C.). The mixture is output from the internal mixer, cooled naturally, and crushed to obtain the modified EPDM rubber.

[0066] The remaining steps and the remaining raw material ratios are consistent with those in Example 4.

[0067] Comparative Example 3

[0068] The raw materials in the modified EPDM rubber are adjusted to: 105 parts of EPDM rubber, 15 parts of chlorobutyl rubber, 15 parts of styrene copolymer maleic anhydride, 7 parts of zinc oxide, 2 parts of stearic acid, 25 parts of adhesive RS, 17 parts of white carbon black, 34 parts of carbon black, 15 parts of paraffin oil, 1.5 parts of sulfur, 6.5 parts of cross-linking aid PL500, and 27 parts of deionized water.

[0069] The preparation method of the modified EPDM rubber is specifically as follows: EPDM rubber, chlorobutyl rubber, and styrene copolymer maleic anhydride are mixed in an internal mixer for 3 minutes at a mixing temperature of 148° C. (±3° C.), and kept at 35° C. for 18 hours. Zinc oxide, stearic acid, adhesive RS, white carbon black, carbon black, paraffin oil, sulfur, and crosslinking aid PL500 are then added in sequence and mixed for 7 minutes at a mixing temperature of 152° C. (±3° C.). The rubber is then output from the internal mixer, naturally cooled, and crushed to obtain the modified EPDM rubber.

[0070] The remaining steps and the remaining raw material ratios are consistent with those in Example 4.

[0071] Comparative Examples 1-3, according to the above test method, the specific test results are shown in Table 3:

[0072] Table 3

[0073]

[0074] Experimental conclusion: According to the experimental data of Comparative Example 1 and Example 4 in Table 3, if EPDM rubber is directly used in the colloid mixture, the anti-down drilling down jacket liner is easy to deform during long-term use, and the filling particles on the anti-down drilling down jacket liner are easy to fall off, resulting in a gradual decrease in the anti-down drilling down jacket liner's anti-down effect;

[0075] According to the experimental data of Comparative Example 2, Comparative Example 3 and Example 4 in Table 3, the modified EPDM rubber used in the colloid mixture can well improve the problem of easy falling off of the filling particles, and make the anti-down drilling liner of the down jacket not easy to deform, and even during long-term use, the anti-down drilling liner of the down jacket can maintain a good anti-down drilling effect. Among them, the modified EPDM rubber obtained by co-kneading butyl rubber and styrene copolymer maleic anhydride with EPDM has better viscosity and longer durability than the unmodified EPDM rubber.

[0076] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A method for manufacturing an anti-drilling down jacket liner, characterized in that: The specific steps are as follows: S1, weaving the warp and weft into a double-sided plain fabric for future use; S2, ultrasonically dispersing the mixed fiber into the heated liquid colloidal mixture, and crushing it after solidification to obtain filling particles; S3, spraying the filling particles onto the surface of the double-sided plain fabric, vibrating to allow the filling particles to enter the pores of the drilled fleece, and then cooling after heat pressing for standby use, wherein the filling particles will melt after the heat pressing treatment and adhere to the surrounding double-sided plain fabric; The mass of the colloid mixture in the filling particles is 60% to 80%; The weight ratio of each raw material in the colloid mixture is: 80-100 parts of polyurethane glue, 6-20 parts of modified EPDM rubber, 1-3.5 parts of divinylbenzene, 6-10 parts of urethane grade ethyl acetate, 3-7 parts of ethyl acetate, and 28-35 parts of deionized water; The weight ratio of the raw materials in the modified EPDM rubber is: 80-135 parts of EPDM rubber, 10-20 parts of brominated butyl rubber, 10-20 parts of styrene copolymer maleic anhydride, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 20-30 parts of adhesive RS, 15-20 parts of white carbon black, 25-40 parts of carbon black, 10-20 parts of paraffin oil, 1-2 parts of sulfur, 5-8 parts of crosslinking aid PL500, and 17-30 parts of deionized water; S4, repeat step S3 until the filling particles fully cover the velvet pores on the double-sided plain fabric and then proceed to the next process; S5, performing calendering treatment on the double-sided plain fabric treated in step S4, and naturally cooling the fabric to obtain an anti-down drilling down jacket liner.

2. The method for manufacturing the anti-down drilling down jacket liner according to claim 1, characterized in that: The preparation method of the modified EPDM rubber is specifically as follows: EPDM rubber, brominated butyl rubber and styrene copolymerized maleic anhydride are mixed in an internal mixer for 2 to 4 minutes, kept at 35° C. for 18 hours, and then zinc oxide, stearic acid, adhesive RS, white carbon black, carbon black, paraffin oil, sulfur and crosslinking aid PL500 are added in sequence and mixed for 6 to 10 minutes, and then the mixture is output from the internal mixer, cooled naturally and crushed to obtain the modified EPDM rubber.

3. The method for manufacturing the anti-down drilling down jacket liner according to claim 2, characterized in that: The banburying temperature is 145-165°C.

4. The method for manufacturing the anti-down drilling down jacket liner according to claim 1, characterized in that: In step S3, the diameter of the filling particles is smaller than the diameter of the drill pile pores.

5. An anti-down drilling down jacket liner prepared by the method for preparing an anti-down drilling down jacket liner according to any one of claims 1 to 4, characterized in that: The invention comprises a double-sided plain fabric, pile pores evenly distributed on the double-sided plain fabric, and filling particles filled in the pile pores.

6. The anti-drilling down jacket liner according to claim 5, characterized in that: The filling particles are bonded to the warp and weft threads constituting the pores of the drill pile to cover the pores of the drill pile.

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