阅读说明：本技术 一种高吸水性除臭尿不湿及其制备方法 (high-water-absorptivity deodorant diaper and preparation method thereof ) 是由 刘敏 于 2019-09-03 设计创作，主要内容包括：本发明公开了一种高吸水性除臭尿不湿及其制备方法,属于卫生用品技术技术领域,一种高吸水性除臭尿不湿,由下列原料制备而成：丙烯酸、交联剂、引发剂、增强剂、分散剂、过磷酸钙、海藻酸钠和硅胶溶液；本发明首先取出适量比例的丙烯酸、交联剂、引发剂和增强剂混合备用,再取出适量比例的分散剂混合备用,将二者再一起混合高温聚合后加入适量比例过磷酸钙,分散剂可以制造满布皱纹的高吸水性聚合粒子,能迅速吸收水液,而分散剂可以和氨气中和反应消除氨气,过磷酸钙也可以对氨气进行反应生成无味的固体磷酸铵盐,从而使尿不湿在进行高吸水的过程中还可以进行臭味去除,提高了尿不湿的吸水性和防臭性。(the invention discloses a high-water-absorptivity deodorant diaper and a preparation method thereof, belonging to the technical field of sanitary products, and the high-water-absorptivity deodorant diaper is prepared from the following raw materials: acrylic acid, a cross-linking agent, an initiator, a reinforcing agent, a dispersing agent, calcium superphosphate, sodium alginate and a silica gel solution; the invention firstly takes out a proper proportion of acrylic acid, cross-linking agent, initiator and reinforcing agent to mix for later use, then takes out a proper proportion of dispersing agent to mix for later use, then mixes the two together to polymerize at high temperature, and adds a proper proportion of calcium superphosphate, the dispersing agent can prepare the polymer particles with high water absorbability and full of wrinkles, and can rapidly absorb water liquid, the dispersing agent can neutralize and react with ammonia gas to eliminate ammonia gas, the calcium superphosphate can also react with the ammonia gas to generate tasteless solid ammonium phosphate, thereby the odor of the diaper can be removed in the process of high water absorbability, and the water absorbability and the odor resistance of the diaper are improved.)

1. the high-water-absorptivity deodorant diaper is characterized by being prepared from the following raw materials: acrylic acid, a cross-linking agent, an initiator, an enhancer, a dispersing agent, calcium superphosphate, sodium alginate and a silica gel solution.

2. The high water absorption deodorant diaper according to claim 1, wherein the raw materials comprise, in parts:

Acrylic acid: 100-300 parts;

a crosslinking agent: 0.01-0.03 part;

initiator: 1.5-5 parts;

Reinforcing agent: 10-20 parts;

Dispersing agent: 5-15 parts;

Calcium superphosphate: 0.5-2 parts;

Sodium alginate: 2-8 parts;

silica gel solution: 8-12 parts.

3. The deodorant diaper of claim 2, wherein the cross-linking agent is N-methylene bisacrylamide.

4. the deodorizing diaper according to claim 3, wherein the initiator is a mixture of potassium persulfate and sodium sulfite.

5. the absorbent deodorant diaper according to claim 4, wherein the enhancer is itaconic acid.

6. the deodorant diaper of claim 5, wherein the dispersant is a fatty acid, and the fatty acid is a mixture of amine stearate and higher alcohol.

7. A method for preparing a deodorant diaper with high water absorbability, which is characterized by adopting the raw materials of claims 1 to 6, and comprises the following steps:

Firstly, taking out acrylic acid and mixing with a cross-linking agent, stirring at the rotating speed of 460r/min for 15min, and cooling to room temperature;

B, taking out the initiator and the reinforcing agent, mixing, stirring at the rotating speed of 660r/min for 30min, then heating to 35 ℃, preserving heat for 20min, and cooling to room temperature;

C, respectively filtering the mixed liquid obtained in the step A and the step B, and removing filter residues separated out after cooling;

d, taking out the stearylamine and the higher alcohol, heating and mixing to obtain a fatty acid solution;

E, mixing the component solutions obtained in the step A and the step B together, and carrying out polymerization reaction for 4 hours at the temperature of 70 ℃ to obtain a polymer;

F, taking out the sodium alginate and the silica gel solution, putting the sodium alginate and the silica gel solution into a sealed container, adding inert gas into the container, and cooling the outer wall of the sealed container by using a cooling device to react the mixed solution;

G, granulating, drying and crushing the polymer to obtain the high-molecular water-absorbent resin;

h, filling the mixed solution obtained in the step F into a sprayer and uniformly spraying the mixed solution on the high-molecular water-absorbent resin;

i, drying and dehumidifying calcium superphosphate at high temperature, and adding the calcium superphosphate into the prepared high-molecular water-absorbent resin;

j, putting the prepared substance into hydrophilic non-woven fabric, cutting and pressing, sending into a diaper production line, and processing and packaging into a finished product through running water.

8. the method for preparing a super absorbent deodorant diaper according to claim 7, wherein the calcium phosphate in step I is in a powder form.

9. the method for preparing a high water absorbing deodorant diaper as claimed in claim 7, wherein the amine stearate and the higher alcohol are mixed by heating at 50-60 ℃ in the step D.

10. the method for preparing a super absorbent deodorant diaper according to claim 7, wherein the drying time of the calcium superphosphate in the step I is 10 to 15 minutes.

Technical Field

the invention relates to the technical field of sanitary articles, in particular to a high-water-absorptivity deodorant urine absorbent and a preparation method thereof.

background

a liquid absorption system built by multilayer materials is mainly composed of a surface layer, an absorption core layer, a leakage-proof bottom film, a three-dimensional guard, an elastic waistline, an elastic hasp and the like, wherein the surface layer, the absorption core layer and the leakage-proof bottom film are sequentially arranged from top to bottom, so that the diffusion permeability and the anti-reverse permeability of the liquid absorption system are enhanced, and a product which can still keep large absorption capacity, small reverse permeability, high absorption speed and good diffusion performance under the condition of being used for a long time and being subjected to multiple liquid permeation is produced and is the direction of effort required by the existing urine non-wetting industry.

the retrieval authorization notice number is CN107586363A, and discloses a high polymer water-absorbent resin for a diaper and a preparation method thereof, wherein the high polymer water-absorbent resin comprises the following components in parts by weight: 100-300 parts of acrylic acid, 0.01-0.03 part of cross-linking agent, 1.5-5 parts of initiator, 80-230 parts of sodium hydroxide, 7-20 parts of kelp, 20-60 parts of acrylamide and 10-20 parts of reinforcing agent; the kelp is commercially available and is crushed and ground to 100 meshes, and the polymer water-absorbent resin for the diaper provided by the invention has good water absorption, is relatively environment-friendly and is environment-friendly.

At present, the diaper is quite popular, a baby can discharge excrement into the diaper completely in the process of using the diaper, so the diaper needs to have water absorption and deodorization functions, most of the diapers absorb water through super absorbent resin molecules at present, but the water absorption capacity of common high polymer water absorption resin is limited, most of deodorization modes absorb odor through adding active carbon into the diaper, but odor molecules absorbed by the active carbon can be dispersed out at high temperature, odor can be generated by nature, and the deodorant diaper with high water absorption and the preparation method thereof are provided for solving the problems.

disclosure of Invention

The invention aims to solve the problems in the prior art and provides a deodorant diaper with high water absorption and a preparation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

a high water absorption deodorization diaper and a preparation method thereof are prepared by the following raw materials: acrylic acid, a cross-linking agent, an initiator, an enhancer, a dispersant and calcium superphosphate.

preferably, the raw materials comprise the following components in parts by weight:

acrylic acid: 100-300 parts;

a crosslinking agent: 0.01-0.03 part;

initiator: 1.5-5 parts;

Reinforcing agent: 10-20 parts;

dispersing agent: 5-15 parts;

calcium superphosphate: 0.5-2 parts;

Sodium alginate: 2-8 parts;

silica gel solution: 8-12 parts.

preferably, the crosslinking agent is N-methylene bisacrylamide.

preferably, the initiator is a mixture of potassium persulfate and sodium sulfite.

preferably, the enhancer is itaconic acid.

preferably, the dispersant is fatty acid, and the fatty acid is formed by mixing amine stearate and higher alcohol.

preferably, the method comprises the following steps:

firstly, taking out acrylic acid and mixing with a cross-linking agent, stirring at the rotating speed of 460r/min for 15min, and cooling to room temperature;

b, taking out the initiator and the reinforcing agent, mixing, stirring at the rotating speed of 660r/min for 30min, then heating to 35 ℃, preserving heat for 20min, and cooling to room temperature;

c, respectively filtering the mixed liquid obtained in the step A and the step B, and removing filter residues separated out after cooling;

d, taking out the stearylamine and the higher alcohol, heating and mixing to obtain a fatty acid solution;

E, mixing the component solutions obtained in the step A and the step B together, and carrying out polymerization reaction for 4 hours at the temperature of 70 ℃ to obtain a polymer;

F, taking out the sodium alginate and the silica gel solution, putting the sodium alginate and the silica gel solution into a sealed container, adding inert gas into the container, and cooling the outer wall of the sealed container by using a cooling device to enable the mixed solution to react;

g, granulating, drying and crushing the polymer to obtain the high-molecular water-absorbent resin;

H, filling the mixed solution obtained in the step F into a sprayer and uniformly spraying the mixed solution on the high polymer water-absorbing resin;

i, drying and dehumidifying calcium superphosphate at high temperature, and adding the calcium superphosphate into the prepared high-molecular water-absorbent resin;

j, putting the prepared substance into hydrophilic non-woven fabric for cutting and pressing, and sending the substance into a urine non-wetting production line for processing and packaging by running water to obtain a finished product.

preferably, the calcium phosphate in step I is in powder form.

Preferably, in step D, the amine stearate and the higher alcohol are mixed by heating at a temperature of between 50 ℃ and 60 ℃.

preferably, the drying time of the calcium superphosphate in the step I is 10 to 15 minutes.

compared with the prior art, the invention provides the deodorizing diaper with high water absorption and the preparation method thereof, and the deodorizing diaper has the following beneficial effects:

1. the preparation method comprises the steps of firstly taking out 200 parts of acrylic acid, 0.02 part of cross-linking agent, 2 parts of initiator and 15 parts of reinforcing agent, mixing and stirring into aqueous solution for later use, then taking out 8 parts of amine stearate and higher alcohol, mixing at 50 ℃ to obtain fatty acid solution, wherein the kinetic energy between the amine stearate and the higher alcohol can be optimized at the temperature, the amine stearate and the higher alcohol can be mixed more uniformly, carrying out polymerization reaction on the mixture obtained in the two steps at 70 ℃ for 5 hours to obtain polymer, granulating, drying and crushing to obtain high water-absorbing resin, reacting 7 parts of sodium alginate and 10 parts of silica gel solution in a low-temperature sealing mode, adding inert gas to increase the pressure inside a reaction container, improving the reaction rate of the sodium alginate and the silica gel solution, and generating hydrocarbon resin under the action of the inert gas, then uniformly spraying the reaction solution on the high-molecular water-absorbing resin by a sprayer, adding 2 parts of calcium superphosphate, stirring, then placing into a diaper, cutting and pressing, when the diaper has excrement and urine in the diaper, the dispersing agent can suspend the water microdroplets of acrylic acid in the high-molecular resin and the cross-linking agent in liquid hydrocarbon, and initiate polymerization in a continuous oil phase, so as to prepare the high-water-absorbing polymer particles fully distributed with wrinkles, wherein the particles are in a single particle shape and have large surface area and can rapidly absorb water, while the silica gel solution has inorganic particles with surface activity, and can be combined with a plurality of high-molecular chains by surface activity to form a cross-linked structure, when one molecular chain is stressed, the stress can be transmitted to other molecular chains by the cross-linked point, so that the stress acting on each molecular chain is reduced, and the water absorption is increased, the poly hydrocarbon resin generated by the sodium alginate and the silica gel solution under the high-pressure low-temperature environment can be used as a catalyst of the cross-linking agent, so that the molecular splitting content of the cross-linking agent is increased, the salt resistance of the high-molecular water-absorbing resin is improved,

Detailed Description

the technical solutions in the embodiments of the present invention will be described below clearly and completely in connection with the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Comparative example: a high water absorption deodorization diaper comprises the following raw materials: the acrylic acid cross-linking agent, the initiator and the reinforcing agent are prepared from the following raw materials in parts by weight:

Acrylic acid: 220 parts of (1);

a crosslinking agent: 0.02 part;

Initiator: 3 parts of a mixture;

Reinforcing agent: 15 parts of (1);

the preparation method is normal.