Modification method of easily-to-grab anti-skid swim ring
A swimming ring and modified technology, applied in the field of swimming rings, can solve the problems of poor pressure resistance, difficult to throw accurately, easy to damage and air leakage, etc., and achieve the effect of good wear resistance.
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[0023] Example 1
[0024] An easy-to-grip non-slip swimming ring modification method, characterized in that it comprises the following steps, the following raw materials are calculated in parts by weight:
[0025] (1) Pretreatment process of waterborne polyurethane:
[0026] Preparation of modified molybdenum disulfide: add deionized water to 5 parts of cetyltrimethylammonium bromide 1:100 and stir evenly, stir at 60℃ and add 5 parts of molybdenum disulfide colloidal suspension, centrifuge 、Wash with hot water to no Br - , Vacuum-dried at 80℃ to obtain modified molybdenum disulfide;
[0027] The concentration of molybdenum disulfide colloidal suspension is 10%;
[0028] Mix 0.5 parts of graphene oxide and 1 part of modified molybdenum disulfide, add 20 parts of deionized water, seal, ultrasonically stir at 50°C for 2h, add ammonia to adjust the pH to neutral, add 60 parts of water-based polyurethane and mix well to obtain Pre-treatment waterborne polyurethane;
[0029] (2) Preparation ...
Example Embodiment
[0037] Example 2
[0038] An easy-to-grip non-slip swimming ring modification method, characterized in that it comprises the following steps, the following raw materials are calculated in parts by weight:
[0039] (1) Pretreatment process of waterborne polyurethane:
[0040] Preparation of modified molybdenum disulfide: add deionized water to 10 parts of cetyltrimethylammonium bromide 1:100 and stir evenly, stir at 65℃ and add 10 parts of molybdenum disulfide colloidal suspension, centrifuge 、Wash with hot water to no Br - , Vacuum-dried at 85℃ to obtain modified molybdenum disulfide;
[0041] The concentration of molybdenum disulfide colloidal suspension is 20%;
[0042] Mix 1 part of graphene oxide and 2 parts of modified molybdenum disulfide, add 40 parts of deionized water, seal, ultrasonically stir at 55°C for 1 hour, add ammonia to adjust the pH to neutral, add 90 parts of water-based polyurethane and mix evenly to obtain Pre-treatment waterborne polyurethane;
[0043] (2) Prepar...
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