Preparation method of fiber with high water absorption
A super absorbent fiber, deionized water technology, used in fiber treatment, spinning solution preparation, conjugated synthetic polymer rayon, etc., can solve the problem of poor mechanical properties, unstable copolymerization blend solution, and increased internal viscosity and other problems, to achieve the effects of good physical and mechanical properties, easy industrial implementation, and simple preparation methods
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[0048] Example 1
[0049] A preparation method of super absorbent fiber includes the following steps:
[0050] (1) Solution preparation, each substance is calculated in parts by weight:
[0051] a. Preparation of solution A
[0052] Dissolve 2 parts by weight of polyvinyl alcohol with a degree of polymerization of 3000 and a degree of alcoholysis of 99% in 50 parts by weight of deionized water, and heat to 100°C and stir to form solution A;
[0053] b. Preparation of monomer solution B
[0054] Neutralize 15 parts by weight of acrylic acid with sodium hydroxide solution, the degree of neutralization is 60%, then add 5 parts by weight of acrylamide, stir and mix uniformly at room temperature to obtain monomer solution B; the degree of neutralization refers to the weight of sodium acrylate Divide by the weight of sodium acrylate and acrylic acid and multiply by 100%;
[0055] c. Preparation of initiator solution C
[0056] Dissolve 0.1 parts by weight of potassium persulfate in 10 parts by ...
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[0067] Example 2
[0068] A preparation method of super absorbent fiber includes the following steps:
[0069] (1) Solution preparation, each substance is calculated in parts by weight:
[0070] a. Preparation of solution A
[0071] Dissolve 8 parts by weight of polyvinyl alcohol with a degree of polymerization of 1700 and a degree of alcoholysis of 88% in 80 parts by weight of deionized water, and heat to 95° C. and stir to form solution A;
[0072] b. Preparation of monomer solution B
[0073] Neutralize 30 parts by weight of acrylic acid with sodium hydroxide solution, the neutralization degree is 80%, and then add 10 parts by weight of acrylamide, stir and mix uniformly at room temperature to obtain monomer solution B; the neutralization degree refers to the weight of sodium acrylate Divide by the weight of sodium acrylate and acrylic acid and multiply by 100%;
[0074] c. Preparation of initiator solution C
[0075] Dissolve 2 parts by weight of potassium persulfate in 20 parts by we...
Example Embodiment
[0086] Example 3
[0087] A preparation method of super absorbent fiber includes the following steps:
[0088] (1) Solution preparation, each substance is calculated in parts by weight:
[0089] a. Preparation of solution A
[0090] Dissolve 6 parts by weight of polyvinyl alcohol with a degree of polymerization of 1800 and a degree of alcoholysis of 99% in 70 parts by weight of deionized water, and heat to 98°C and stir to form solution A;
[0091] b. Preparation of monomer solution B
[0092] Neutralize 18 parts by weight of acrylic acid with sodium hydroxide solution, the degree of neutralization is 70%, then add 8 parts by weight of acrylamide, stir and mix uniformly at room temperature to obtain monomer solution B; the degree of neutralization refers to the weight of sodium acrylate Divide by the weight of sodium acrylate and acrylic acid and multiply by 100%;
[0093] c. Preparation of initiator solution C
[0094] Dissolve 1 part by weight of potassium persulfate in 15 parts by weig...
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