A kind of nitrile gloves and preparation method thereof
A technology of nitrile gloves and slurry, applied in gloves, protective clothing, clothing, etc., can solve problems such as low tensile strength
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[0022] The invention provides a kind of preparation method of nitrile gloves, comprises the following steps:
[0023] A) The carboxyl nitrile latex of 90~110 parts by weight, the PVC emulsion of 0.1~50 parts by weight, the KOH of 0.5~3 parts by weight, the ZnO of 0.5~3 parts by weight, the sulfur of 0.5~4 parts by weight, the sulfur of 0.3~3 Mixing parts by weight of an accelerator, 0.1 to 0.5 parts by weight of sodium iodide, 0.1 to 1.5 parts by weight of a surfactant and 80 to 100 parts by weight of deionized water to obtain a slurry;
[0024] B) Immerse the glove model in the coagulant solution, take it out and dry it, then immerse it in the slurry, take it out and dry it, and vulcanize to obtain the nitrile glove.
[0025] The raw materials used in the preparation of nitrile gloves in the present invention include carboxylated nitrile latex. The parts by weight of the carboxylated nitrile latex are 90-110 parts. In some embodiments of the present invention, the carboxyla...
Embodiment 1
[0060] With the carboxyl nitrile latex of 90 weight parts, the PVC emulsion of 10 weight parts, the KOH of 1 weight part, the ZnO of 0.5 weight part, the sulfur of 0.5 weight part, the accelerator BZ of 0.5 weight part, the sodium iodide of 0.1 weight part , 0.1 parts by weight of sodium dodecylbenzenesulfonate and 80 parts by weight of deionized water were mixed and stirred for 25 hours to obtain a slurry.
[0061] Pretreatment of the glove model: the glove model was first cleaned in a nitric acid solution with a pH value of 3, and then washed in an aqueous solution of sodium hydroxide with a pH value of 12, rinsed, and dried in an oven at 75°C.
[0062] Prepare the coagulant solution: add 6 parts by weight of calcium nitrate, 0.5 parts by weight of the release agent and 72 parts by weight of deionized water into the batching bucket, and stir evenly to obtain the coagulant solution.
[0063] Immerse the pretreated glove model in the coagulant solution at 65°C for 60s, drip an...
Embodiment 2
[0070] With the carboxyl nitrile latex of 100 weight parts, the PVC emulsion of 25 weight parts, the KOH of 2 weight parts, the ZnO of 1.5 weight parts, the sulfur of 2 weight parts, the accelerator EZ of 1.5 weight parts, the sodium iodide of 0.3 weight parts 1. Mix 1 weight part of fatty alcohol polyoxyethylene ether sodium sulfate and 90 weight parts of deionized water, and stir for 24 hours to obtain a slurry.
[0071] Pretreatment of the glove model: the glove model was first cleaned in a nitric acid solution with a pH value of 3, and then washed in an aqueous solution of sodium hydroxide with a pH value of 12, rinsed, and dried in an oven at 75°C.
[0072] Prepare the coagulant solution: add 8 parts by weight of calcium nitrate, 1.0 part by weight of a release agent and 80 parts by weight of deionized water into the batching bucket, and stir evenly to obtain a coagulant solution.
[0073] Immerse the pretreated glove model in the coagulant solution at 70°C for 30s, drip ...
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