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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[0026] Example 1
[0027] An acid anti-yellowing surface fastener and method for preparing anti
[0028] The method of preparing anti-acid anti-yellowing surface fastener, comprising the steps of:
[0029] Step (1), the finishing cleaning agent is added to a dip machine cycle 5min, the finishing cleaning agent heated up to 60 deg.] C in a dip machine, and then immersed in the cleaning nylon hook and loop fastener finishing agent, stirring constantly cleaned finishing, cleaning finishing time of 10min;
[0030] Nylon after step (2), the step (1) After cleaning the surface fastener dehydration 3min, brightening nylon hook and loop fastener collation of finishing at 60 deg.] C solution whitening, whitening finishing time is 2H;
[0031] Step (3), the step (2) nylon Velcro whitening after finishing complete dehydration 5min; antioxidant finish formulation, the nylon Velcro hook surface fastener and the loop surface fastener in the machine disseminated antioxidant performed with the fi...
Example Embodiment
[0039] Example 2
[0040] An acid anti-yellowing surface fastener and method for preparing anti
[0041] The method of preparing anti-acid anti-yellowing surface fastener, comprising the steps of:
[0042] Step (1), the cleaning agent is added to the finishing machine dip, dip in 8min machine cycle, the cleaning finish heating to 65 ℃, and then immersed in the cleaning nylon hook and loop fastener finishing agent, stirring constantly cleaned finishing, finishing the washing time is 15min;
[0043] Nylon after step (2), the step (1) After cleaning the surface fastener dehydration 4min, brightening nylon hook and loop fastener collation of finishing at 65 deg.] C solution whitening, whitening finishing time is for 2.5 h;
[0044] Step (3), the step (2) nylon Velcro whitening after finishing complete dehydration 6min; antioxidant finish formulation, the nylon Velcro hook surface fastener and the loop surface fastener in the machine disseminated oxidation resistant finish for 45 ℃ were ...
Example Embodiment
[0052] Example 3
[0053] An acid anti-yellowing surface fastener and method for preparing anti
[0054] The method of preparing anti-acid anti-yellowing surface fastener, comprising the steps of:
[0055] Step (1), the cleaning agent is added to the finishing machine dip, dip in 10min machine cycle, the cleaning finish heating to 70 ℃, and then immersed in the cleaning nylon hook and loop fastener finishing agent, stirring constantly cleaned finishing, cleaning finishing time of 25min;
[0056] Nylon after step (2), the step (1) After cleaning the surface fastener dehydration 5min, brightening finishing at 100 ℃ fastening tape of nylon finishing liquid whitening, whitening 3H finishing time;
[0057] Step (3), the step (2) dehydration of nylon Velcro whitening 8min after finishing is completed; antioxidant finish formulation, the nylon Velcro hook surface fastener and the loop surface fastener in a dip machine be oxidation resistant finish were soaked in 50 deg.] C, soaking for 5...
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