Acid-proof anti-yellowing hook-and-loop fastener and preparation method thereof
A Velcro and anti-acid technology, which is applied in coatings, textiles, papermaking, fiber treatment, etc. It can solve the problems of shortening the service life of the Velcro, reducing the strength of the Velcro, and turning yellow in color, so as to improve the anti-acid Performance, strength does not decrease, combined with the effect of excessive fatigue
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Embodiment 1
[0027] A kind of anti-acid and anti-yellowing adhesive tape and preparation method thereof
[0028] The preparation method of anti-acid anti-yellowing adhesive tape comprises the following steps:
[0029] Step (1), add the cleaning and finishing agent to the exhaust dyeing machine, circulate in the exhaust dyeing machine for 5 minutes, heat the cleaning and finishing agent to 60°C, then dip the nylon Velcro in the cleaning and finishing agent, and keep stirring for cleaning and finishing. The cleaning and finishing time is 10 minutes;
[0030] Step (2), dehydrating the nylon Velcro after cleaning in Step (1) for 3 minutes, and whitening the Nylon Velcro in a 60°C whitening finishing solution for 2 hours;
[0031] Step (3), dehydrating the nylon Velcro after step (2) whitening and finishing for 5 minutes; preparing an antioxidant finishing agent, putting the hook surface Velcro and the hair surface Velcro of the Nylon Velcro in the exhaust dyeing machine Soak with anti-oxidat...
Embodiment 2
[0040] A kind of anti-acid and anti-yellowing adhesive tape and preparation method thereof
[0041] The preparation method of anti-acid anti-yellowing adhesive tape comprises the following steps:
[0042] Step (1): Add the cleaning and finishing agent to the exhaust dyeing machine, circulate in the exhaust dyeing machine for 8 minutes, heat the cleaning and finishing agent to 65°C, then dip the nylon Velcro in the cleaning and finishing agent, and keep stirring for cleaning and finishing. The cleaning and finishing time is 15 minutes;
[0043] Step (2), dehydrating the nylon Velcro after cleaning in Step (1) for 4 minutes, and whitening the Nylon Velcro in a 65° C. whitening finishing solution for 2.5 hours;
[0044] Step (3), dehydrating the nylon Velcro after step (2) whitening and finishing for 6 minutes; prepare an anti-oxidation finishing agent, put the hook surface Velcro and the hair surface Velcro of the nylon Velcro in the exhaust dyeing machine Soak in anti-oxidation...
Embodiment 3
[0053] A kind of anti-acid and anti-yellowing adhesive tape and preparation method thereof
[0054] The preparation method of anti-acid anti-yellowing adhesive tape comprises the following steps:
[0055] Step (1), add the cleaning and finishing agent to the exhaust dyeing machine, circulate in the exhaust dyeing machine for 10 minutes, heat the cleaning and finishing agent to 70°C, then dip the nylon Velcro in the cleaning and finishing agent, and keep stirring for cleaning and finishing. The cleaning and finishing time is 25 minutes;
[0056] Step (2), dehydrating the nylon Velcro after cleaning in Step (1) for 5 minutes, and whitening the Nylon Velcro in a 100°C whitening finishing solution for 3 hours;
[0057] Step (3), dehydrating the nylon Velcro after step (2) whitening and finishing for 8 minutes; preparing an anti-oxidation finishing agent, putting the hook surface Velcro and the hair surface Velcro of the nylon Velcro in the exhaust dyeing machine Soak with anti-o...
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