Phastgel plugging agent
A plugging agent and gel technology, applied in coatings and other directions, can solve the problems of rising cost of waterproof and leak-proof coatings, inconvenient and fast use, human and environmental hazards, etc., achieving controllable gel time, fast and convenient operation, good permeability
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[0010] The preparation method of the rapid gel plugging agent in this specific embodiment is as follows: after mixing liquid A, liquid B and liquid C in proportion, a polymerization reaction occurs to form an elastic water-insoluble polymer.
[0011] Wherein, the formula of the rapid gel plugging agent is further preferably: Liquid A is composed of the following raw materials in mass fractions: 9.5% of acrylamide, 0.5% of N,N'-methylenebisacrylamide, and 40% of water; Liquid B is composed of the following raw materials in mass fractions: 0.8% of β-dimethylaminopropionitrile; liquid C is composed of the following raw materials in mass fractions: ammonium persulfate 1.2%, water 48%.
Embodiment 1
[0012] Example 1: Rapid gel plugging agent, consisting of the following components in parts by weight: 47 parts of acrylamide in liquid A, 2.5 parts of N,N'-methylenebisacrylamide, 220 parts of water; 2 parts of methylaminopropronitrile; 2 parts of ammonium persulfate in C liquid, 220 parts of water. Mix the raw materials in liquid A, liquid B and liquid C according to the above parts by weight to form a water-insoluble polymer, fill and block the gaps in the sand layer under the floor tiles with the polymer, and condense in 3 minutes.
Embodiment 2
[0013] Example 2: Rapid gel plugging agent, consisting of the following components in parts by weight: 47 parts of acrylamide in liquid A, 2.5 parts of N,N'-methylenebisacrylamide, and 220 parts of water; liquid B: 2 parts of dimethylaminopropionitrile; 1.5 parts of ammonium persulfate in the third liquid, 220 parts of water, the raw materials in the first liquid, the second liquid and the third liquid are mixed according to the above-mentioned parts by weight to form a water-insoluble polymer, and the polymerization The body filler blocks the voids in the sand layer under the floor tiles and sets in 5 minutes.
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