CN111849407A - Glue suitable for zipper, waterproof zipper and preparation method of waterproof zipper - Google Patents
Glue suitable for zipper, waterproof zipper and preparation method of waterproof zipper Download PDFInfo
- Publication number
- CN111849407A CN111849407A CN202010739627.4A CN202010739627A CN111849407A CN 111849407 A CN111849407 A CN 111849407A CN 202010739627 A CN202010739627 A CN 202010739627A CN 111849407 A CN111849407 A CN 111849407A
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- Prior art keywords
- zipper
- temperature
- waterproof
- glue
- modifier
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- 239000003292 glue Substances 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title abstract description 22
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 42
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003607 modifier Substances 0.000 claims abstract description 23
- 229920003180 amino resin Polymers 0.000 claims abstract description 20
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 19
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 19
- 239000004970 Chain extender Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 229920002635 polyurethane Polymers 0.000 claims abstract description 15
- 239000004814 polyurethane Substances 0.000 claims abstract description 15
- 239000011324 bead Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 13
- 239000012948 isocyanate Substances 0.000 claims abstract description 13
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical group OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001795 light effect Effects 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 4
- 238000011179 visual inspection Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 240000001829 Catharanthus roseus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/32—Means for making slide fasteners gas or watertight
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/05—Polymer mixtures characterised by other features containing polymer components which can react with one another
Abstract
The invention provides glue suitable for a zipper, a waterproof zipper and a preparation method thereof; the glue suitable for the zipper comprises the following components: 40-70 wt% of polyurethane; 0.5 wt% -5 wt% of chain extender; 10-15 wt% of modifier; 10-30 wt% of ethyl acetate; 1 to 5 weight percent of blocked isocyanate; 0.5 wt% -2 wt% of anti-settling agent; 1-10 wt% of glass beads; 5 wt% -20 wt% of dimethylformamide; the modifier consists of amino resin and acrylic resin. The invention adopts the glue which is suitable for the zipper and contains specific components to prepare the waterproof zipper; this glue suitable for zip fastener can increase waterproof zip fastener's reflection of light function under the condition that does not influence product appearance to promote waterproof membrane's wearability and weatherability, the waterproof zip fastener that further preparation obtained has reflection of light effect, thereby increases the safety function, has better physical mechanical properties concurrently simultaneously, especially toughness, wearability, scratch resistance, and weatherability. Experimental results show that the waterproof zipper provided by the invention has a light reflection effect in water by visual inspection, and the 1000-time film layers of the zipper load zipper are not scratched.
Description
Technical Field
The invention relates to the technical field of zippers, in particular to glue suitable for a zipper, a waterproof zipper and a preparation method of the waterproof zipper.
Background
The zipper is an important component of the clothing accessories, and for the uniformity of the overall appearance of the clothing, the shape and the appearance of the accessories on the clothing are correspondingly designed and produced according to the current popular trend. In order to present a multifunctional zipper to meet market needs, the waterproof zipper is more and more concerned by people at present.
However, the waterproof zippers used in the current market mainly have a conventional waterproof function, the function is single, and along with the requirement of consumers on the diversity of the zipper functions, the market competitiveness of the zippers with the single waterproof function is obviously insufficient; and the waterproof film of waterproof zip fastener among the prior art wearability and weatherability are not good, and it has the mar phenomenon to easily appear the waterproof film after pulling to close many times, and the adverse effect of effect and performance also can appear too long-term in the storage time simultaneously.
Disclosure of Invention
In view of the above, the present invention provides a glue suitable for a zipper, a waterproof zipper and a preparation method thereof, the glue provided by the present invention can increase the light reflection function of the waterproof zipper without affecting the appearance of the product, and the prepared waterproof zipper has good physical and mechanical properties and weather resistance.
The invention provides glue suitable for a zipper, which comprises the following components:
40-70 wt% of polyurethane;
0.5 wt% -5 wt% of chain extender;
10-15 wt% of modifier;
10-30 wt% of ethyl acetate;
1 to 5 weight percent of blocked isocyanate;
0.5 wt% -2 wt% of anti-settling agent;
1-10 wt% of glass beads;
5 wt% -20 wt% of dimethylformamide;
the modifier consists of amino resin and acrylic resin.
Preferably, the chain extender is 1, 4-butanediol.
Preferably, the mass ratio of the amino resin to the acrylic resin in the modifier is (5-8): (5-7).
Preferably, the anti-settling agent is organic bentonite.
The invention also provides a preparation method of the waterproof zipper, which comprises the following steps:
a) the glue suitable for the zipper in the technical scheme is adopted to scrape the glue on the zipper to be processed, so as to obtain the glued zipper;
b) curing the glued zipper obtained in the step a), and cooling to obtain the waterproof zipper.
Preferably, the step a) of scraping the glue is performed by a scraper; the thickness of the scraping glue is 2.2-2.8 μm.
Preferably, the curing treatment in step b) is low-temperature baking; the low-temperature baking process specifically comprises the following steps:
firstly, heating to 50-70 ℃ at a heating rate of 1-2 ℃/min, and preserving heat for 30-60 s;
then continuously raising the temperature to 71-80 ℃ at the temperature raising rate of 1-2 ℃/min, and preserving the temperature for 30-60 s;
then continuously raising the temperature to 100 ℃ at the temperature raising rate of 1-2 ℃/min, and preserving the temperature for 30-60 s;
and finally, continuously preserving the heat for 30-60 s at the temperature of 100 ℃ to finish the low-temperature baking process.
Preferably, the cooling mode in the step b) is natural cooling; the cooling temperature is 20-30 ℃.
The invention also provides a waterproof zipper prepared by the preparation method of the technical scheme.
The invention provides glue suitable for a zipper, a waterproof zipper and a preparation method thereof; the glue suitable for the zipper comprises the following components: 40-70 wt% of polyurethane; 0.5 wt% -5 wt% of chain extender; 10-15 wt% of modifier; 10-30 wt% of ethyl acetate; 1 to 5 weight percent of blocked isocyanate; 0.5 wt% -2 wt% of anti-settling agent; 1-10 wt% of glass beads; 5 wt% -20 wt% of dimethylformamide; the modifier consists of amino resin and acrylic resin. Compared with the prior art, the waterproof zipper is prepared by adopting the glue which is suitable for the zipper and contains the components with specific content; this glue suitable for zip fastener can increase waterproof zip fastener's reflection of light function under the condition that does not influence product appearance to promote waterproof membrane's wearability and weatherability, the waterproof zip fastener that further preparation obtained has reflection of light effect, thereby increases the safety function, has better physical mechanical properties concurrently simultaneously, especially toughness, wearability, scratch resistance, and weatherability. Experimental results show that the waterproof zipper provided by the invention has a light reflection effect in water by visual inspection, and the 1000-time film layers of the zipper load zipper are not scratched.
In addition, the preparation method provided by the invention is simple in process, easy to operate and suitable for large-scale production.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides glue suitable for a zipper, which comprises the following components:
40-70 wt% of polyurethane;
0.5 wt% -5 wt% of chain extender;
10-15 wt% of modifier;
10-30 wt% of ethyl acetate;
1 to 5 weight percent of blocked isocyanate;
0.5 wt% -2 wt% of anti-settling agent;
1-10 wt% of glass beads;
5 wt% -20 wt% of dimethylformamide;
the modifier consists of amino resin and acrylic resin.
In the invention, the glue suitable for the zipper comprises polyurethane, a chain extender, a modifier, ethyl acetate, blocked isocyanate, an anti-settling agent, glass beads and dimethylformamide, and preferably consists of the polyurethane, the chain extender, the modifier, the ethyl acetate, the blocked isocyanate, the anti-settling agent, the glass beads and the dimethylformamide.
The source of the polyurethane is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the invention, the glue suitable for the zipper comprises 40-70 wt% of polyurethane, preferably 45-60 wt%.
In the present invention, the chain extender is preferably 1, 4-butanediol. The source of the chain extender is not particularly limited in the present invention, and commercially available products well known to those skilled in the art may be used. In the invention, the glue suitable for the zipper comprises 0.5-5 wt% of chain extender, preferably 1-1.5 wt%.
In the present invention, the modifier is composed of an amino resin and an acrylic resin. According to the invention, by adopting the modifier with the specific composition, on one hand, the amino resin reacts with the functional group (hydroxyl) on the acrylic resin molecule at a certain temperature to form a three-dimensional (stereo) net structure, and the hardness of the amino resin improves the wear resistance of polyurethane; on the other hand, the amino resin reacts with functional groups (amide groups and carboxyl groups) on polyurethane molecules to form a three-dimensional (three-dimensional) network structure, and the high temperature resistance of the acrylic resin is improved; therefore, the macromolecule formed by the mutual reaction of the three components not only has the molecular characteristics of the three components, but also improves the overall performance, and further improves the physical and mechanical properties and weather resistance of the product.
In the invention, the mass ratio of the amino resin to the acrylic resin in the modifier is preferably (5-8): (5-7); in a preferred embodiment of the present invention, the mass ratio of the amino resin to the acrylic resin in the modifier is preferably 8: 7; in another preferred embodiment of the present invention, the mass ratio of the amino resin to the acrylic resin in the modifier is preferably 5: 5.
the source of the modifier is not particularly limited in the present invention, and commercially available products of the above amino resin and acrylic resin, which are well known to those skilled in the art, may be used. In the invention, the glue suitable for the zipper comprises 10-15 wt% of modifier.
The sources of the ethyl acetate and the blocked isocyanate are not particularly limited in the present invention, and commercially available products well known to those skilled in the art may be used. In the invention, the glue suitable for the zipper comprises 10-30 wt% of ethyl acetate, preferably 10-20 wt%; the glue suitable for the zipper comprises 1-5 wt% of closed isocyanate.
In the present invention, the anti-settling agent is preferably an organobentonite. The source of the anti-settling agent is not particularly limited in the present invention, and commercially available products well known to those skilled in the art may be used. In the invention, the glue suitable for the zipper comprises 0.5-2 wt% of anti-settling agent, preferably 1-1.5 wt%.
The sources of the glass beads and Dimethylformamide (DMF) are not particularly limited in the present invention, and commercially available products well known to those skilled in the art may be used. In the invention, the glue suitable for the zipper comprises 1-10 wt% of glass beads, preferably 5-10 wt%; the glue suitable for the zipper comprises 5 wt% -20 wt% of dimethylformamide, and preferably 6 wt% -8 wt%.
The preparation method of the glue suitable for the zipper is not particularly limited, and the technical scheme that all raw materials are dispersed and stirred uniformly at a high speed is adopted, which is well known by the technical personnel in the field. In a preferred embodiment of the invention, the preparation method of the glue suitable for the zipper specifically comprises the following steps:
a plurality of raw materials in the proportion are put into a dispersion machine according to a proportion without sequence, and are uniformly dispersed at a high speed to prepare glue suitable for the zipper; the temperature for high-speed dispersion and uniform stirring is preferably 20-30 ℃; the rotating speed of the high-speed dispersing and stirring is preferably 200 r/min-400 r/min, and the time of the high-speed dispersing and stirring is preferably 25 min-35 min.
The invention adopts the glue which is suitable for the zipper and contains specific components to prepare the waterproof zipper; the glue suitable for the zipper can increase the light reflection function of the waterproof zipper under the condition of not influencing the appearance of a product, and improve the wear resistance and the weather resistance of a waterproof film.
The invention also provides a preparation method of the waterproof zipper, which comprises the following steps:
a) the glue suitable for the zipper in the technical scheme is adopted to scrape the glue on the zipper to be processed, so as to obtain the glued zipper;
b) curing the glued zipper obtained in the step a), and cooling to obtain the waterproof zipper.
The zipper glue is firstly adopted to scrape the glue on the zipper to be processed by the glue suitable for the zipper in the technical scheme, so that the glued zipper is obtained. In the invention, the process of scraping the glue is preferably carried out by using a scraper; the thickness of the scraping glue is preferably 2.2-2.8 μm.
After the glued zipper is obtained, the glued zipper is solidified and cooled to obtain the waterproof zipper. In the present invention, the curing treatment is preferably performed by low-temperature baking, which is performed by a low-temperature baking apparatus well known to those skilled in the art.
In the present invention, the low-temperature baking process is preferably as follows:
firstly, heating to 50-70 ℃ at a heating rate of 1-2 ℃/min, and preserving heat for 30-60 s;
then continuously raising the temperature to 71-80 ℃ at the temperature raising rate of 1-2 ℃/min, and preserving the temperature for 30-60 s;
then continuously raising the temperature to 100 ℃ at the temperature raising rate of 1-2 ℃/min, and preserving the temperature for 30-60 s;
finally, continuously preserving the heat for 30-60 s at 100 ℃ to finish the low-temperature baking process;
more preferably:
firstly, raising the temperature to 55-65 ℃ at a temperature raising rate of 1.5/min, and preserving the temperature for 40-50 s;
then continuously raising the temperature to 74-76 ℃ at the temperature raising rate of 1.5/min, and preserving the temperature for 40-50 s;
then continuously raising the temperature to 100 ℃ at the temperature raising rate of 1.5 ℃/min, and preserving the temperature for 40-50 s;
and finally, continuously preserving the heat for 40-50 s at the temperature of 100 ℃ to finish the low-temperature baking process.
In the present invention, the cooling is preferably natural cooling; the cooling temperature is preferably 20 ℃ to 30 ℃.
The preparation method provided by the invention is simple in process, easy to operate and suitable for large-scale production.
The invention also provides a waterproof zipper prepared by the preparation method of the technical scheme. The invention adopts the glue which is suitable for the zipper and contains specific components to prepare the waterproof zipper; this glue suitable for zip fastener can increase waterproof zip fastener's reflection of light function under the condition that does not influence product appearance to promote waterproof membrane's wearability and weatherability, the waterproof zip fastener that further preparation obtained has reflection of light effect, thereby increases the safety function, has better physical mechanical properties concurrently simultaneously, especially toughness, wearability, scratch resistance, and weatherability.
The invention provides glue suitable for a zipper, a waterproof zipper and a preparation method thereof; the glue suitable for the zipper comprises the following components: 40-70 wt% of polyurethane; 0.5 wt% -5 wt% of chain extender; 10-15 wt% of modifier; 10-30 wt% of ethyl acetate; 1 to 5 weight percent of blocked isocyanate; 0.5 wt% -2 wt% of anti-settling agent; 1-10 wt% of glass beads; 5 wt% -20 wt% of dimethylformamide; the modifier consists of amino resin and acrylic resin. Compared with the prior art, the waterproof zipper is prepared by adopting the glue which is suitable for the zipper and contains the components with specific content; this glue suitable for zip fastener can increase waterproof zip fastener's reflection of light function under the condition that does not influence product appearance to promote waterproof membrane's wearability and weatherability, the waterproof zip fastener that further preparation obtained has reflection of light effect, thereby increases the safety function, has better physical mechanical properties concurrently simultaneously, especially toughness, wearability, scratch resistance, and weatherability. Experimental results show that the waterproof zipper provided by the invention has a light reflection effect in water by visual inspection, and the 1000-time film layers of the zipper load zipper are not scratched.
In addition, the preparation method provided by the invention is simple in process, easy to operate and suitable for large-scale production.
To further illustrate the present invention, the following examples are provided for illustration. The raw materials used in the following examples of the present invention are all commercially available; wherein the chain extender is 1, 4-butanediol, the amino resin is BR-20SE from Catharanthus roseus artificial resin factory, the acrylic resin is Canada Tanday chemical industry AC1038A, and the anti-settling agent is organic bentonite.
Example 1
(1) The glue formula is as follows:
45 wt% of polyurethane;
1 wt% of a chain extender;
8 wt% of amino resin;
7 wt% of acrylic resin;
20 wt% of ethyl acetate;
5 wt% of blocked isocyanate;
1 wt% of anti-settling agent;
5 wt% of glass beads;
8 wt% of dimethylformamide;
a plurality of raw materials in the proportion are put into a dispersion machine according to a proportion without sequence, and are uniformly mixed at a high speed (room temperature, 300r/min, 30min) to prepare the glue suitable for the zipper.
(2) Preparing a waterproof zipper:
pouring the glue suitable for the zipper obtained in the step (1) into a trough, and scraping the zipper to be processed by adopting a scraper, wherein the thickness of the scraped glue is controlled to be 2.2-2.8 microns, so as to obtain the glued zipper;
secondly, curing the glued zipper obtained in the first step by adopting low-temperature baking equipment, wherein the specific process is as follows:
firstly, heating to 60 ℃ at the heating rate of 1.5 ℃/min, and keeping the temperature for 45 s;
then the temperature is continuously increased to 75 ℃ at the temperature increasing rate of 1.5 ℃/min, and the temperature is kept for 45 s;
then, continuously increasing the temperature to 100 ℃ at the heating rate of 1.5 ℃/min, and keeping the temperature for 45 s;
finally, continuously preserving the heat for 45s at the temperature of 100 ℃ to obtain the zipper baked at the low temperature;
and thirdly, naturally cooling the zipper baked at the low temperature obtained in the step two to room temperature to obtain the waterproof zipper.
Example 2
(1) The glue formula is as follows:
60 wt% of polyurethane;
1.5 wt% of a chain extender;
5 wt% of amino resin;
5 wt% of acrylic resin;
10 wt% of ethyl acetate;
1 wt% of blocked isocyanate;
1.5 wt% of anti-settling agent;
10 wt% of glass beads;
6 wt% of dimethylformamide;
a plurality of raw materials in the proportion are put into a dispersion machine according to a proportion without sequence, and are uniformly mixed at a high speed (room temperature, 300r/min, 30min) to prepare the glue suitable for the zipper.
(2) The preparation method provided in example 1 was used to obtain a waterproof zipper.
Comparative example 1
(1) The glue formula is as follows:
50 wt% of polyurethane;
0.5 wt% of chain extender;
1 wt% of amino resin;
10 wt% of acrylic resin;
15 wt% of ethyl acetate;
1.5 wt% of blocked isocyanate;
1 wt% of anti-settling agent;
1 wt% of glass beads;
20 wt% of dimethylformamide;
a plurality of raw materials in the proportion are put into a dispersion machine according to a proportion without sequence, and are uniformly mixed at a high speed (room temperature, 300r/min, 30min) to prepare the glue suitable for the zipper.
(2) The preparation method provided in example 1 was used to obtain a waterproof zipper.
Various performance tests were performed on the waterproof zipper finished products provided in examples 1 to 2 and comparative example 1, and the test conditions and results are shown in table 1.
Table 1 test conditions and result data of various performance tests of the waterproof slide fastener finished products provided in examples 1 to 2 and comparative example 1
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. Glue suitable for zippers comprises the following components:
40-70 wt% of polyurethane;
0.5 wt% -5 wt% of chain extender;
10-15 wt% of modifier;
10-30 wt% of ethyl acetate;
1 to 5 weight percent of blocked isocyanate;
0.5 wt% -2 wt% of anti-settling agent;
1-10 wt% of glass beads;
5 wt% -20 wt% of dimethylformamide;
the modifier consists of amino resin and acrylic resin.
2. Glue suitable for use in slide fasteners according to claim 1, characterised in that the chain extender is 1, 4-butanediol.
3. The glue suitable for the zipper according to claim 1, wherein the modifier comprises amino resin and acrylic resin in a mass ratio of (5-8): (5-7).
4. Glue suitable for use in slide fasteners according to claim 1, characterised in that the anti-settling agent is organobentonite.
5. A method for preparing a waterproof zipper comprises the following steps:
a) scraping glue on the zipper to be treated by adopting the glue suitable for the zipper in any one of claims 1-4 to obtain a glued zipper;
b) curing the glued zipper obtained in the step a), and cooling to obtain the waterproof zipper.
6. The method according to claim 5, wherein the step a) of scraping the adhesive is performed by using a scraper; the thickness of the scraping glue is 2.2-2.8 μm.
7. The method according to claim 5, wherein the curing treatment in step b) is performed by a low-temperature baking; the low-temperature baking process specifically comprises the following steps:
firstly, heating to 50-70 ℃ at a heating rate of 1-2 ℃/min, and preserving heat for 30-60 s;
then continuously raising the temperature to 71-80 ℃ at the temperature raising rate of 1-2 ℃/min, and preserving the temperature for 30-60 s;
then continuously raising the temperature to 100 ℃ at the temperature raising rate of 1-2 ℃/min, and preserving the temperature for 30-60 s;
and finally, continuously preserving the heat for 30-60 s at the temperature of 100 ℃ to finish the low-temperature baking process.
8. The method according to claim 5, wherein the cooling in step b) is natural cooling; the cooling temperature is 20-30 ℃.
9. A waterproof slide fastener produced by the production method according to any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739627.4A CN111849407A (en) | 2020-07-28 | 2020-07-28 | Glue suitable for zipper, waterproof zipper and preparation method of waterproof zipper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739627.4A CN111849407A (en) | 2020-07-28 | 2020-07-28 | Glue suitable for zipper, waterproof zipper and preparation method of waterproof zipper |
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| CN111849407A true CN111849407A (en) | 2020-10-30 |
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|---|---|---|---|
| CN202010739627.4A Pending CN111849407A (en) | 2020-07-28 | 2020-07-28 | Glue suitable for zipper, waterproof zipper and preparation method of waterproof zipper |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973720A (en) * | 2005-11-28 | 2007-06-06 | 何建纲 | Waterproof zip fastener and its making process |
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| CN110922874A (en) * | 2019-11-18 | 2020-03-27 | 广州集泰化工股份有限公司 | Water-based acrylic polyurethane amino baking pearlescent paint and preparation method thereof |
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| CN103458724A (en) * | 2011-03-18 | 2013-12-18 | 哥伦比亚运动休闲北美公司 | Adhesive zipper tape |
| CN103965715A (en) * | 2013-01-29 | 2014-08-06 | 惠州市华昱美实业有限公司 | Water-based glass coating |
| CN105368203A (en) * | 2015-11-12 | 2016-03-02 | 合肥安奎思成套设备有限公司 | Anti-aging reflective coating |
| CN105440847A (en) * | 2016-01-06 | 2016-03-30 | 江苏工程职业技术学院 | Color change-preventing and wear-resistant protective agent of automotive interior metal zipper |
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| CN108864877A (en) * | 2018-07-27 | 2018-11-23 | 浙江伟星实业发展股份有限公司 | A kind of zipper head paint, method for paint spraying and spray painting pull head |
| CN110922874A (en) * | 2019-11-18 | 2020-03-27 | 广州集泰化工股份有限公司 | Water-based acrylic polyurethane amino baking pearlescent paint and preparation method thereof |
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