CN118931384A - A kind of jacket repairing agent and preparation method thereof - Google Patents
A kind of jacket repairing agent and preparation method thereof Download PDFInfo
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- CN118931384A CN118931384A CN202411227590.1A CN202411227590A CN118931384A CN 118931384 A CN118931384 A CN 118931384A CN 202411227590 A CN202411227590 A CN 202411227590A CN 118931384 A CN118931384 A CN 118931384A
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- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 42
- -1 acrylic ester Chemical class 0.000 claims abstract description 24
- 230000008439 repair process Effects 0.000 claims abstract description 24
- 108010010803 Gelatin Proteins 0.000 claims abstract description 21
- 229920000159 gelatin Polymers 0.000 claims abstract description 21
- 239000008273 gelatin Substances 0.000 claims abstract description 21
- 235000019322 gelatine Nutrition 0.000 claims abstract description 21
- 235000011852 gelatine desserts Nutrition 0.000 claims abstract description 21
- 229920001577 copolymer Polymers 0.000 claims abstract description 19
- 229920013822 aminosilicone Polymers 0.000 claims abstract description 13
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 8
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 239000013067 intermediate product Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- ARJOQCYCJMAIFR-UHFFFAOYSA-N prop-2-enoyl prop-2-enoate Chemical compound C=CC(=O)OC(=O)C=C ARJOQCYCJMAIFR-UHFFFAOYSA-N 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 239000006184 cosolvent Substances 0.000 claims description 2
- 239000006081 fluorescent whitening agent Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 239000003999 initiator Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 150000003242 quaternary ammonium salts Chemical group 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- 239000000796 flavoring agent Substances 0.000 claims 1
- 235000019634 flavors Nutrition 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 239000003093 cationic surfactant Substances 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 14
- 239000004744 fabric Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 229920000544 Gore-Tex Polymers 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000032798 delamination Effects 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 2
- DCUFMVPCXCSVNP-UHFFFAOYSA-N methacrylic anhydride Chemical compound CC(=C)C(=O)OC(=O)C(C)=C DCUFMVPCXCSVNP-UHFFFAOYSA-N 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- JPMIIZHYYWMHDT-UHFFFAOYSA-N octhilinone Chemical compound CCCCCCCCN1SC=CC1=O JPMIIZHYYWMHDT-UHFFFAOYSA-N 0.000 description 1
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a jacket repair agent and a preparation method thereof, wherein the jacket repair agent comprises the following components in percentage by mass: 1-5% of gelatin-acrylic ester-siloxane copolymer, 5-20% of aminosilicone, 0.5-2% of cationic surfactant, 1-5% of auxiliary agent and the balance of solvent; wherein the gelatin-acrylic ester-siloxane copolymer is polymerized by acrylic ester gelatin, acryloxypolysiloxane and acrylic alkyl ester. The outdoor jacket repairing agent effectively improves the adhesive force, enhances the protection effect on water, can realize stronger waterproof performance when being sprayed on the outdoor jacket surface, is convenient to use, has safe components and has good application prospect.
Description
Technical Field
The invention relates to the technical field of clothes washing and nursing, in particular to an outdoor jacket repairing agent and a preparation method thereof.
Background
Outdoor apparel is a key piece of equipment for outdoor exercises, and its main functions include wind resistance, water resistance and wear resistance, so as to protect outdoor exercises from bad weather and environment.
The material of the jacket has important significance in the aspect of waterproof performance. Wherein, golgi apparatusThe GORE-TEX microporous fabric of company is one of the most representative materials. The GORE-TEX fabric is made of polytetrafluoroethylene after rapid stretching and heating, and a bulked polytetrafluoroethylene microporous structure is formed. Such a facing is typically located in the middle layer of the laminated facing, providing excellent water resistance to the jacket. Although waterproof fabrics such as GORE-TEX are excellent in waterproof performance, the outer layer of the jacket still has problems. Whether the outer layer is natural or chemical, it will wet out when exposed to water. After the whole coat is soaked, the air permeability is drastically reduced, and the jacket loses obvious advantages compared with the traditional raincoat.
To solve this problem, outdoor jackets generally require a surface water repellent treatment and a heat curing treatment. However, the water-repellent treatment is not permanently effective and the outdoor wear is attenuated after daily wear or rain and snow attack. Common surface water repellent treatments include the use of fluorocarbons (e.g., perfluorooctanoic acid). However, fluoride degradation is difficult and may cause permanent damage to the body by bioaccumulation. Therefore, more and more products are required to be free of fluorocarbons (PFC free).
In view of the foregoing, there is a need to develop a new solution, and develop a new waterproof solution without fluorocarbons, so as to solve the problems existing in the prior art and meet the market and consumer demands.
Disclosure of Invention
Based on the above, the invention provides a jacket repair agent and a preparation method thereof. The repair agent for the outdoor jacket provided by the invention adopts gelatin, acrylic ester and siloxane as raw materials to prepare the copolymer, and then the copolymer is compounded with aminosilicone and other components, so that the adhesive force is effectively improved, the protection effect on water is enhanced, and the repair agent can realize stronger waterproof performance when being sprayed on the surface of the outdoor jacket, is convenient to use, has safe components and has good application prospect.
The invention aims to provide an outdoor jacket repair agent, which comprises the following components in percentage by mass:
Wherein,
The gelatin-acrylic ester-siloxane copolymer is polymerized by acrylic ester gelatin, acryloxypolysiloxane and acrylic alkyl ester.
Further, in the gelatin-acrylic ester-siloxane copolymer, the mass ratio of acrylic ester-based gelatin, acryloxypolysiloxane and alkyl acrylate is 1 (1-5): 0.5-2.
Further, the alkyl group in the alkyl acrylate is selected from the group consisting of C4-C20 linear alkyl groups.
Further, the aminosilicone is a silicone having quaternary ammonium salt groups.
Further, the cationic surfactant is preferably alkyl dimethyl polyoxyethylene ammonium chloride.
Further, the auxiliary agent is selected from one or more of inorganic salts, cosolvents, fluorescent whitening agents, conditioning agents, preservatives, colorants, color stabilizers and liquid fragrances.
The invention also provides a preparation method of the outdoor jacket repair agent, which comprises the following steps:
S1, mixing gelatin and acrylic anhydride, and heating for reaction to obtain acrylate-based gelatin;
S2, mixing the acrylate gelatin, the acryloyloxy polysiloxane and the initiator, and heating to react under the protection of inert gas to obtain an intermediate product;
s3, adding alkyl acrylate into the intermediate product, and heating for reaction to obtain a gelatin-acrylic ester-siloxane copolymer;
S4, mixing the gelatin-acrylic ester-siloxane copolymer with other components, and uniformly stirring to obtain the jacket repairing agent.
Further, in step S1, the temperature of the heating reaction is 30-60 ℃.
Further, in step S2, the temperature of the heating reaction is 50-70 ℃.
Further, in step S3, the temperature of the heating reaction is 60-80 ℃.
The invention has the following beneficial effects:
In the outdoor repair agent provided by the invention, materials such as gelatin-acrylic ester-siloxane copolymer, aminosilicone, cationic surfactant and the like are compounded. The gelatin-acrylic ester-siloxane copolymer firstly reacts gelatin with acrylic anhydride, acrylic ester groups are introduced, then the reaction product is subjected to free radical polymerization with acryloyloxy polysiloxane and acrylic acid alkyl ester, and a product contains hydrophilic gelatin chain segments, hydrophobic polydimethylsiloxane and a fatty acid long-chain structure, and the gelatin has a large number of polar groups, so that the adhesion stability on the surface of the jacket is improved, and the hydrophobic chain segments are mutually entangled to form a network structure, so that the jacket is endowed with good waterproof property. Meanwhile, the introduced siloxane chain segment has better flexibility, and the jacket fabric is ensured to be softer and skin friendly. In addition, the added aminosilicone and alkyl dimethyl polyoxyethylene ammonium chloride contain hydrophilic cationic quaternary ammonium salt structures and hydrophobic structures such as siloxane and alkyl chains, so that the aminosilicone and alkyl dimethyl polyoxyethylene ammonium chloride not only has good compatibility with gelatin-acrylic ester-siloxane copolymer, but also can play roles in assisting dispersion and stabilization, improve the stability of the product in storage under various conditions, and also can synergistically improve the water resistance of the jacket, and realize the effects of water splashing prevention, water soaking prevention and the like. In conclusion, the outdoor repair agent disclosed by the invention does not contain fluorocarbon, can realize excellent waterproof performance, overcomes the defects in the prior art, and has a good application prospect.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the following examples are set forth. The starting materials, reactions and workup procedures used in the examples are those commonly practiced in the market and known to those skilled in the art unless otherwise indicated.
The words "preferred," "more preferred," and the like in the present disclosure refer to embodiments of the present disclosure that may provide certain benefits in some instances. However, other embodiments may be preferred under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
It should be understood that, except in any operating examples, or where otherwise indicated, quantities or all numbers expressing, for example, quantities of ingredients used in the specification and claims are to be understood as being modified in all instances by the term "about". Accordingly, unless indicated to the contrary, the numerical parameters set forth in the following specification and attached claims are approximations that may vary depending upon the desired properties to be obtained by the present invention.
The aminosilicone of the present examples was a polysiloxane having a bis-quaternary salt group, available from the Innolaceae company under the designation Innocare QSQ.
The cationic surfactant in the examples of the present invention was alkyl dimethyl polyoxyethylene ammonium chloride available from the Ingot family under the trade designation Innocare HEX.
The preservative in the embodiment of the invention is kathon, purchased from clariant, model Nipaguard CG.
The gelatin in the examples of the present invention was purchased from Guangzhou Hua Biotechnology Co.
The methacryloxypropyl-bis-blocked polydimethylsiloxane of the examples of the invention was obtained from Allatin and had a molecular weight of 8000-12000.
The components and mass fractions of the outdoor repair agents of examples 1 to 3 are shown in Table 1.
TABLE 1 Components and mass fractions of examples 1-3
The preparation method of the outdoor repair agent of the embodiments 1 to 3 comprises the following steps:
S1, taking water as a solvent, adding gelatin, stirring for 0.5h, regulating the pH to 7.5 by using 2mol/L NaOH solution, then adding methacrylic anhydride (gelatin: methacrylic anhydride=1:0.9, m/m), reacting for 3h at 50 ℃, dialyzing for 3 days (kDa=10000), and freeze-drying to obtain acrylate-based gelatin;
S2, mixing the acrylic acid ester-based gelatin, the methacryloxypropyl double-end-capped polydimethylsiloxane and the potassium persulfate according to the mass ratio of 1:1.5:0.05 by taking water as a solvent, and reacting for 2 hours at 60 ℃ under the protection of nitrogen to obtain an intermediate product;
s3, adding lauryl acrylate into the intermediate product (acrylate-based gelatin: lauryl acrylate=1:0.8, m/m), reacting for 2 hours at 65 ℃, removing the solvent, and drying to obtain a gelatin-acrylate-siloxane copolymer;
s4, mixing the gelatin-acrylic ester-siloxane copolymer with other components according to the mass fraction, and uniformly stirring to obtain the jacket repairing agent.
Comparative examples 1-2 were set based on the examples.
Comparative example 1 differs from example 1 in that: step S3 is omitted, the gelatin-acrylate-siloxane copolymer is replaced by equal mass after the product of step S2 is dried, and other components and preparation methods are the same as those of the example 1.
Comparative example 2 differs from example 1 in that: the aminosilicone was replaced with an aminosilicone of equal mass (trade name 03, jinan Port as the Silicon Valley chemical Co., ltd.) and the other ingredients and preparation were the same as in example 1.
Test example 1
Stability tests were performed on examples 1-3 and comparative examples 1-2.
The testing method comprises the following steps:
test of low temperature stability: and (3) respectively bottling and sealing the outdoor jacket repairing agent, placing the outdoor jacket repairing agent in an environment with the temperature of 0+/-2 ℃, placing the outdoor jacket repairing agent at a constant temperature for 2 months, and taking out the outdoor jacket repairing agent to recover the normal-temperature observation appearance. And if the sample has no obvious color change, layering or precipitation, judging that the low-temperature stability is qualified.
Testing of stability at normal temperature: and (3) respectively packaging and sealing the outdoor jacket repairing agent, placing the outdoor jacket repairing agent in an environment with the temperature of 25+/-2 ℃, placing the outdoor jacket repairing agent at a constant temperature for 2 months, taking out the outdoor jacket repairing agent, and immediately observing the appearance. And if the sample has no obvious color change, layering or precipitation, judging that the normal temperature stability is qualified.
Testing of high temperature stability: and (3) respectively packaging and sealing the outdoor jacket repairing agent, placing the outdoor jacket repairing agent in an environment with the temperature of 45+/-2 ℃, placing the outdoor jacket repairing agent at a constant temperature for 2 months, and taking out the outdoor jacket repairing agent to recover the normal-temperature observation appearance. And if the sample has no obvious color change, layering or precipitation, judging that the high-temperature stability is qualified.
The test results are shown in Table 2.
TABLE 2 stability test results
| Project | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 |
| High temperature stability | Qualified product | Qualified product | Qualified product | Failure to pass | Qualified product |
| Stability at ordinary temperature | Qualified product | Qualified product | Qualified product | Qualified product | Qualified product |
| Low temperature stability | Qualified product | Qualified product | Qualified product | Failure to pass | Failure to pass |
As can be seen from Table 2, the samples prepared in examples 1-3 do not have the phenomena of discoloration, delamination or precipitation after being placed at different temperatures for two months, and the compatibility of the components of the composition is proved to be good, and the stability of the product is strong. The modified component in comparative example 1 does not incorporate long alkyl chain, stability is reduced, and turbidity and delamination occur under high and low temperature environments. In comparative example 2, the aminosilicone was replaced with aminosilicone, which was unstable at low temperature and resulted in gelation, turbidity and delamination.
Test example 2
Waterproof tests were conducted on examples 1-3 and comparative examples 1-2.
The testing method comprises the following steps:
(1) Preparation of the test instrument:
The water spraying device consists of a 150mm funnel and a metal nozzle which are vertically clamped, wherein the distance from the top of the funnel to the bottom of the nozzle is 190-200mm, and a rubber tube with the caliber of 10mm is used for connecting the nozzle and the funnel. The metal nozzle needs to have a convex round surface, spray holes are uniformly distributed, and 250ml of water is injected into the metal nozzle for a continuous spraying time of 25-30s. The sample holder consists of two wood rings or metal rings which can be matched with each other, the sample is required to be clamped in the holder, the clamping ring is required to be arranged on a proper support column during test, the clamping ring forms an inclination angle of 45 degrees, and the center of the test surface is 150mm below the center of the nozzle surface.
(2) The test steps are as follows:
The repair agent of the outdoor jacket prepared in the example or the comparative example is sprayed on the outdoor jacket of the same model, then 3 outdoor jackets with the area of 180mm 2 are taken as samples from different parts of each outdoor jacket, the hands are reduced as much as possible after the samples are taken, the samples are required to be represented as much as possible, and the parts with folds are not taken.
After the sample is taken, the sample is placed at room temperature for humidity control for 24 hours, after the humidity control, the sample is clamped by a sample clamp and is placed on a support, the fabric is faced upwards during the test, and the warp direction of the sample is parallel to the water flow direction unless the requirement is met.
250Ml (20.+ -. 2 ℃ C.) of distilled water was rapidly and smoothly poured into the funnel so that the water spraying was continued. Once the shower had ceased, the holder was quickly removed with the sample with the fabric facing down and then gently tapped against a hard object 2 times (one at each of the diametrically opposed 2 points) and after tapping the sample was still on the holder and rated according to the observed wetting of the sample.
Water dip rating:
Stage 1: completely wetting the sprayed surface;
2 stages: half of the wetted surface, typically referred to as the sum of the wetted areas where the patches are not connected;
3 stages: the showered surface is wetted only with a small area of non-attachment;
4 stages: the sprayed surface is not wetted, but is stained with small water drops;
5 stages: the sprayed surface is not wetted, and small water drops are not adhered to the surface.
The test results are shown in Table 3.
TABLE 3 waterproof test results
| Project | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 |
| First sample block | 5 | 5 | 4 | 3 | 3 |
| Second sample block | 4 | 5 | 5 | 3 | 4 |
| Third sample | 5 | 5 | 5 | 4 | 4 |
| Average grade | 4.7 | 5 | 4.7 | 3.3 | 3.7 |
As can be seen from Table 3, the gelatin-acrylate-siloxane copolymer and aminosilicone added in examples 1 to 3 exert a synergistic effect, as compared with comparative examples 1 to 2, to impart good water repellency to the jacket. The waterproof property of comparative examples 1 to 2 in which the components were changed was not ideal. In conclusion, the invention overcomes the defects existing in the prior art and has good application prospect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
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