阅读说明：本技术 利用废轮胎废泡沫制备的防水乳液及其制备方法 (Waterproof emulsion prepared from waste tire and waste foam and preparation method thereof ) 是由 丁新民 于 2020-05-23 设计创作，主要内容包括：本发明提供一种利用废轮胎废泡沫制备的防水乳液及其制备方法,涉及防水领域,该防水乳液包括按照重量份数计的以下组分：废轮胎橡胶粉：20～30份,废泡沫：20～30份,聚脂合成树脂：10～20份,甲醇：10份,甘油：5～10份,松香酸钠：5～10份,白粘土：7～10份,聚氨酯：10～15份,沥青：15～20份,分散剂：3～5份,成膜助剂：2～4份,吸附剂：1～4份。本发明不但提高了防水乳液中各成分之间的成分相容度,还提高了防水乳液的防水效果、强度和粘度。(The invention provides a waterproof emulsion prepared from waste tire foam and a preparation method thereof, and relates to the field of waterproofing, wherein the waterproof emulsion comprises the following components in parts by weight: waste tire rubber powder: 20-30 parts of waste foam: 20-30 parts of polyester synthetic resin: 10-20 parts of methanol: 10 parts, glycerol: 5-10 parts of sodium abietate: 5-10 parts of white clay: 7-10 parts of polyurethane: 10-15 parts of asphalt: 15-20 parts of a dispersant: 3-5 parts of a film forming additive: 2-4 parts of an adsorbent: 1-4 parts. The invention not only improves the component compatibility among the components in the waterproof emulsion, but also improves the waterproof effect, the strength and the viscosity of the waterproof emulsion.)

1. A waterproof emulsion prepared by utilizing waste tire foam is characterized in that: the waterproof emulsion comprises the following components in parts by weight: waste tire rubber powder: 20-30 parts of waste foam: 20-30 parts of polyester synthetic resin: 10-20 parts of methanol: 10 parts, glycerol: 5-10 parts of sodium abietate: 5-10 parts of white clay: 7-10 parts of polyurethane: 10-15 parts of asphalt: 15-20 parts of a dispersant: 3-5 parts of a film forming additive: 2-4 parts of an adsorbent: 1-4 parts.

2. The waterproof emulsion prepared by using waste tire foam according to claim 1, wherein: the film-forming assistant comprises the following components in parts by weight: ethylene glycol: 13-15 parts of propylene glycol: 4-7 parts of microgel: 1-2 parts.

3. The waterproof emulsion prepared by using waste tire foam according to claim 2, wherein: the preparation of the film-forming aid comprises the following steps:

controlling the reaction temperature to 155-;

controlling the mixing temperature at 40-60 ℃, mixing the microgel in a colloid state with ethylene glycol, and stirring for 10-13min to form a mixed solution;

and controlling the stirring temperature to be below 40 ℃, and the stirring speed to be 300r/min, and adding the propylene glycol into the mixed solution to obtain the film-forming aid.

4. The waterproof emulsion prepared by using waste tire foam according to claim 1, wherein: the adsorbent comprises biuret and graphene.

5. The waterproof emulsion prepared by using waste tire foam according to claim 5, wherein: the size of the waste tire rubber powder is 80-200 meshes.

6. The waterproof emulsion prepared by using waste tire foam according to claim 1, wherein: the tackifier comprises the following components in parts by weight: white clay: 7-10 parts of montmorillonite powder: 2-4 parts of calcined kaolin: 5-7 parts.

7. The waterproof emulsion prepared by using waste tire foam according to claim 1, wherein: the dispersant comprises carboxymethyl cellulose and sodium dodecyl benzene sulfonate.

8. A method for preparing the waterproof emulsion using the waste tire foam according to claims 1 to 7, wherein: the method comprises the following steps:

crushing the waste tire rubber powder, the waste foam, the white clay and the calcined kaolin, and filtering the crushed waste tire rubber powder by using a vibrating screen of 80-200 meshes;

controlling the temperature to be 210-215 ℃, dissolving asphalt, waste tire rubber powder and waste foam, adding polyester synthetic resin, methanol, glycerol, white clay, calcined kaolin and sodium abietate, cooling to 150-180 ℃, and uniformly stirring to form a substance A;

uniformly stirring polyurethane, a film-forming assistant, an adsorbent and a dispersant to form a substance B;

controlling the temperature to be 35 ℃, mixing the A substance and the B substance at a stirring speed of 100 r/min to 200r/min, and filtering to form a C substance;

adding the filtered substance C into a pre-emulsification container, starting an emulsification machine, and emulsifying for 45min to obtain the waterproof emulsion;

and (6) cooling and packaging.

9. The method of claim 8, wherein: the preparation of the adsorbent comprises the following steps:

weighing a certain part of graphene, preparing a solution with the concentration of 0.06%, oscillating the graphene solution for 20-25 min to enable the graphene to be peeled into graphene sheets, obtaining a uniformly dispersed graphene adsorption solution, adding biuret, and stirring to form the adsorbent.

Technical Field

The invention relates to the technical field of water prevention, in particular to a waterproof emulsion prepared by waste tire foam and a preparation method thereof.

Background

With the development, waste tires and waste foams are increased gradually, and the waste tires and the waste foams pollute the environment and are wasted after being discarded, so that the waste tires and the waste foams need to be recycled.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: how to improve the compatibility of the components in the waterproof emulsion and further improve the waterproof effect.

The technical scheme adopted by the invention for solving the technical problems is as follows: a waterproof emulsion prepared by utilizing waste tire foam is characterized in that: the waterproof emulsion comprises the following components in parts by weight: waste tire rubber powder: 20-30 parts of waste foam: 20-30 parts of polyester synthetic resin: 10-20 parts of methanol: 10 parts, glycerol: 5-10 parts of sodium abietate: 5-10 parts of white clay: 7-10 parts of polyurethane: 10-15 parts of asphalt: 15-20 parts of a dispersant: 3-5 parts of a film forming additive: 2-4 parts of an adsorbent: 1-4 parts.

Further, the film-forming assistant comprises the following components in parts by weight: ethylene glycol: 13-15 parts, propylene glycol: 4-7 parts of microgel: 1-2 parts.

Further, the preparation of the film forming aid comprises the following steps:

controlling the reaction temperature to 155-;

controlling the mixing temperature at 40-60 ℃, mixing the microgel in a colloid state with ethylene glycol, and stirring for 10-13min to form a mixed solution;

controlling the stirring temperature to be below 40 ℃ and the stirring speed to be 300r/min, and adding the propylene glycol into the mixed solution to obtain the film-forming aid.

Further, the adsorbent comprises biuret and graphene.

Further, the size of the waste tire rubber powder is 80-200 meshes.

Further, the tackifier comprises the following components in parts by weight: white clay: 7-10 parts of montmorillonite powder: 2-4 parts of calcined kaolin: 5-7 parts.

Further, the dispersant comprises carboxymethyl cellulose and sodium dodecyl benzene sulfonate.

The invention also provides a preparation method of the waterproof emulsion prepared by using the waste tire foam, which comprises the following steps:

crushing the waste tire rubber powder, the waste foam, the white clay and the calcined kaolin, and filtering the crushed waste tire rubber powder by using a vibrating screen of 80-200 meshes;

controlling the temperature to be 210-215 ℃, dissolving asphalt, waste tire rubber powder and waste foam, adding polyester synthetic resin, methanol, glycerol, white clay, calcined kaolin and sodium abietate, heating to 150-180 ℃, and uniformly stirring to form a substance A;

uniformly stirring polyurethane, a film-forming assistant, an adsorbent and a dispersant to form a substance B;

controlling the temperature to be 35 ℃, mixing the A substance and the B substance at a stirring speed of 100 r/min to 200r/min, and filtering to form a C substance;

adding the filtered substance C into a pre-emulsification container, starting an emulsification machine, and emulsifying for 45min to obtain the waterproof emulsion;

and (6) cooling and packaging.

Further, the preparation of the adsorbent comprises the following steps:

weighing a certain part of graphene, preparing a solution with the concentration of 0.06%, oscillating the graphene solution for 20-25 min to strip the graphene into graphene sheets, obtaining a uniformly dispersed graphene adsorption solution, adding biuret, and stirring to form the adsorbent.

The invention has the beneficial effects that:

1. the carboxymethyl cellulose can be used as a thickening agent and a dispersing agent, has a water retention effect in the waterproof emulsion, and can be used as an adhesive to improve the bonding strength of the waterproof emulsion and an object to be waterproof;

2. the tackifier added in the invention comprises white clay, montmorillonite powder and calcined kaolin, can assist the waste tire rubber powder and waste foam to uniformly diffuse into the emulsion while enhancing the viscosity of the emulsion, and in addition, the calcined kaolin is used as a filler, so that the fluidity of the emulsion is further enhanced, the emulsion is not polymerized, and the dispersibility and the fluidity of the emulsion are maintained

3. The added film-forming assistant consists of ethylene glycol, propylene glycol and microgel, wherein the ethylene glycol and the propylene glycol are high-boiling-point solvents and can be slowly volatilized after a coating film is formed; in addition, the ethylene glycol and the propylene glycol can volatilize in the high-temperature heating process, so that the influence on the waterproof effect of the waterproof emulsion is reduced, and the waterproof effect is improved;

4. the added biuret is long-sheet crystal, can polymerize film-forming substances formed by film-forming additives together, is not easy to disperse, has an adsorption effect, can adsorb the film-forming substances, enables the connection between the film-forming substances to be tighter, can be integrated by a network structure of graphene, has stronger connection strength and integrity after the waterproof emulsion is fixed, is not easy to split, and further improves the waterproof effect.

Detailed Description