阅读说明：本技术 一种抗氧化自粘防水卷材及其制备工艺 (Antioxidant self-adhesive waterproof coiled material and preparation process thereof ) 是由 田建坡 于 2021-07-27 设计创作，主要内容包括：本发明公开了一种抗氧化自粘防水卷材及其制备工艺,包括基材、防水薄膜和粘黏剂,所述基材的底部通过粘黏剂与防水薄膜固定连接,所述防水薄膜的底部铺设有粘连层；该抗氧化自粘防水卷材及其制备工艺,通过设置由醛胺、对苯二胺、亚磷酸酯、硫醚、乳化剂和橡胶油配置而成的抗氧化层,避免了该防水卷材在风吹日晒等恶劣的自然环境下发生氧化等化学反应的问题,从而减缓了防水卷材的老化速度,提高了防水卷材的使用寿命,通过设置由沥青、植物胶、增粘剂、三元乙丙橡胶、聚氯乙烯树脂和软化剂配置而成的粘连层,可以增强防水卷材的粘结力度,避免了防水卷材因长期使用而发生脱落的问题,从而提高了该防水卷材的粘接性能。(The invention discloses an antioxidant self-adhesive waterproof coiled material and a preparation process thereof, wherein the antioxidant self-adhesive waterproof coiled material comprises a base material, a waterproof film and an adhesive, wherein the bottom of the base material is fixedly connected with the waterproof film through the adhesive, and an adhesive layer is laid at the bottom of the waterproof film; this anti-oxidation self-adhesion waterproofing membrane and preparation technology thereof, through setting up the antioxidation layer that is formed by aldamine, p-phenylenediamine, the phosphite ester, the thioether, emulsifier and rubber oil configuration, the problem of this waterproofing membrane chemical reaction such as oxidation has been avoided taking place under the abominable natural environment such as the weather of blowing, thereby the ageing speed of waterproofing membrane has been slowed down, waterproofing membrane's life has been improved, through setting up the adhesion layer that is formed by pitch, vegetable gum, the tackifier, ethylene propylene diene monomer rubber, polyvinyl chloride resin and softener configuration, waterproofing membrane's bonding dynamics can be strengthened, waterproofing membrane has been avoided taking place the problem that drops because of long-term use, thereby this waterproofing membrane's adhesion property has been improved.)

1. The anti-oxidation self-adhesion waterproof coiled material comprises a base material, a waterproof film and an adhesive, and is characterized in that the bottom of the base material is fixedly connected with the waterproof film through the adhesive, an adhesion layer is laid at the bottom of the waterproof film, a protective film is laid at the bottom of the adhesion layer, and an anti-oxidation layer is coated on the top of the base material;

the anti-oxidation layer is composed of the following raw materials in parts by weight: 30-50 parts of primary antioxidant, 10-30 parts of secondary antioxidant, 3-9 parts of emulsifier and 5-15 parts of rubber oil;

wherein, the primary antioxidant adopts p-phenylenediamine and aldehyde amine, and the secondary antioxidant adopts phosphite ester and thioether;

the anti-oxidation layer is prepared by adopting an anti-oxidation layer preparation method, and the anti-oxidation layer preparation method comprises the following steps:

s1, weighing the p-aldehyde amine, the p-phenylenediamine, the phosphite ester, the thioether, the emulsifier and the rubber oil according to the proportion;

s2, firstly, sequentially adding weighed aldehyde amine, p-phenylenediamine, phosphite ester and thioether into a reaction kettle, stirring the aldehyde amine, the p-phenylenediamine, the phosphite ester and the thioether, sequentially adding weighed emulsifier and rubber oil while stirring the mixture, and heating the reaction kettle to raise the temperature so that the materials in the reaction kettle can be rapidly mixed and dissolved;

and S3, stopping heating after the materials in the reaction kettle are completely dissolved, so that the materials in the reaction kettle can be cooled to room temperature, and the antioxidant required by the antioxidation layer is formed.

2. The anti-oxidation self-adhesive waterproof roll and the preparation process thereof according to claim 1, wherein in the step S2, raw materials of the anti-oxidation layer are stirred by a high-speed shearing machine.

3. The anti-oxidation self-adhesive waterproof roll as claimed in claim 1, wherein the adhesive is composed of the following raw materials in parts by weight: 15-35 parts of acrylic acid, 15-35 parts of polyurethane, 15-35 parts of phenolic resin and 10-20 parts of cross-linking agent.

4. The anti-oxidation self-adhesive waterproof roll as claimed in claim 3, wherein the adhesive is prepared by a preparation method of the adhesive, and the preparation method of the adhesive comprises the following steps:

s1, weighing acrylic acid, polyurethane, phenolic resin and a cross-linking agent according to the proportion;

s2, sequentially adding weighed acrylic acid, polyurethane and phenolic resin into a reaction kettle, heating to 90-120 ℃, performing auxiliary stirring by using ultrasonic waves, slowly adding a cross-linking agent while stirring the materials, and stirring the materials for 20-30 minutes to obtain the required adhesive.

5. The anti-oxidation self-adhesive waterproof roll as claimed in claim 1, wherein the adhesion layer is composed of the following raw materials in parts by weight: 30-50 parts of asphalt, 5-10 parts of vegetable gum, 1-5 parts of tackifier, 10-20 parts of ethylene propylene diene monomer, 10-20 parts of polyvinyl chloride resin and 1-5 parts of softener.

6. The anti-oxidation self-adhesive waterproof roll as claimed in claim 5, wherein the adhesive layer is prepared by adopting a preparation method of the adhesive layer, and the preparation method of the adhesive layer comprises the following steps:

s1, weighing the asphalt, the vegetable gum, the tackifier, the ethylene propylene diene monomer, the polyvinyl chloride resin and the softener according to the proportion;

s2, sequentially adding the weighed asphalt, the vegetable gum and the tackifier into a reaction kettle, stirring and mixing to obtain a mixture 1, sequentially adding the weighed ethylene propylene diene monomer, the polyvinyl chloride resin and the softener into the reaction kettle, stirring and mixing to obtain a mixture 2, and finally adding the mixture 1 into the mixture 2, stirring and mixing to obtain the adhesion agent required by the adhesion layer.

7. A process for preparing an anti-oxidative self-adhesive waterproofing membrane for use in the production of the waterproofing membrane according to any one of claims 1 to 6, characterized in that the process comprises the steps of:

(1) removing dust or impurities on the surface of the base material, coating the adhesive on the bottom of the base material, standing for 2-4 minutes, adhering the waterproof film to the bottom of the adhesive to enable the waterproof film to be firmly connected with the base material, coating the adhesion layer on the bottom of the waterproof film, adhering the protective film to the bottom of the adhesion layer, and finally coating the oxidation resistant layer on the top of the base material to form an initial product of the oxidation resistant self-adhesive waterproof coiled material;

(2) the waterproof roll material of the primary product is conveyed to flattening equipment, and the waterproof roll material is flattened by using an extrusion roller, so that the raw materials of the waterproof roll material can be firmly combined together, and the problem of falling and separation among the raw materials is avoided;

(3) the waterproofing membrane after the compaction is cut out according to size demand utilization earlier to cut out equipment, and the waterproofing membrane after will cutting out conducts to the wind-up roll on, and the rotation that utilizes the wind-up roll is rolled up waterproofing membrane and is deposited.

8. The process for preparing the oxidation-resistant self-adhesive waterproof roll according to claim 7, wherein in the step (1), dust or impurities on the surface of the base material are removed by using a blower.

9. The preparation process of the antioxidant self-adhesive waterproof roll according to claim 7, wherein in the step (2), the primary waterproof roll moves at a uniform speed in the process of conducting and compacting.

10. The preparation process of the antioxidant self-adhesive waterproof roll according to claim 7, wherein in the step (3), the wind-up roll is powered by a driving motor, and the waterproof roll is stored in a constant-temperature environment.

Technical Field

The invention relates to the technical field of waterproof rolls, in particular to an antioxidant self-adhesive waterproof roll and a preparation process thereof.

Background

The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a first barrier for waterproofing of the whole engineering, and plays a vital role in the whole engineering; however, most of the existing waterproof rolls are poor in oxidation resistance and are easy to undergo chemical reactions such as oxidation and the like in severe natural environments such as wind, sunlight and the like in the using process, so that the aging speed of the waterproof rolls is increased, the service life of the waterproof rolls is shortened, and most of the existing waterproof rolls are poor in bonding performance and are easy to loosen or fall off after long-term use, so that inconvenience is brought to the use of the waterproof rolls.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects brought forward by the background technology, the invention provides an antioxidant self-adhesive waterproof coiled material and a preparation process thereof, and solves the problems brought forward by the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an anti-oxidation self-adhesion waterproof coiled material comprises a base material, a waterproof film and an adhesive, wherein the bottom of the base material is fixedly connected with the waterproof film through the adhesive, an adhesion layer is laid at the bottom of the waterproof film, a protective film is laid at the bottom of the adhesion layer, and an anti-oxidation layer is coated on the top of the base material;

the anti-oxidation layer is composed of the following raw materials in parts by weight: 30-50 parts of primary antioxidant, 10-30 parts of secondary antioxidant, 3-9 parts of emulsifier and 5-15 parts of rubber oil;

wherein, the primary antioxidant adopts p-phenylenediamine and aldehyde amine, and the secondary antioxidant adopts phosphite ester and thioether;

the anti-oxidation layer is prepared by adopting an anti-oxidation layer preparation method, and the anti-oxidation layer preparation method comprises the following steps:

s1, weighing the p-aldehyde amine, the p-phenylenediamine, the phosphite ester, the thioether, the emulsifier and the rubber oil according to the proportion;

s2, firstly, sequentially adding weighed aldehyde amine, p-phenylenediamine, phosphite ester and thioether into a reaction kettle, stirring the aldehyde amine, the p-phenylenediamine, the phosphite ester and the thioether, sequentially adding weighed emulsifier and rubber oil while stirring the mixture, and heating the reaction kettle to raise the temperature so that the materials in the reaction kettle can be rapidly mixed and dissolved;

and S3, stopping heating after the materials in the reaction kettle are completely dissolved, so that the materials in the reaction kettle can be cooled to room temperature, and the antioxidant required by the antioxidation layer is formed.

Preferably, in step S2, the raw materials of the anti-oxidation layer are stirred by a high-speed shearing machine.

Preferably, the adhesive is prepared from the following raw materials in parts by weight: 15-35 parts of acrylic acid, 15-35 parts of polyurethane, 15-35 parts of phenolic resin and 10-20 parts of cross-linking agent.

Preferably, the adhesive is prepared by adopting a preparation method of the adhesive, and the preparation method of the adhesive comprises the following steps:

s1, weighing acrylic acid, polyurethane, phenolic resin and a cross-linking agent according to the proportion;

s2, sequentially adding weighed acrylic acid, polyurethane and phenolic resin into a reaction kettle, heating to 90-120 ℃, performing auxiliary stirring by using ultrasonic waves, slowly adding a cross-linking agent while stirring the materials, and stirring the materials for 20-30 minutes to obtain the required adhesive.

Preferably, the adhesion layer is composed of the following raw materials in parts by weight: 30-50 parts of asphalt, 5-10 parts of vegetable gum, 1-5 parts of tackifier, 10-20 parts of ethylene propylene diene monomer, 10-20 parts of polyvinyl chloride resin and 1-5 parts of softener.

Preferably, the adhesion layer is prepared by adopting a preparation method of the adhesion layer, and the preparation method of the adhesion layer comprises the following steps:

s1, weighing the asphalt, the vegetable gum, the tackifier, the ethylene propylene diene monomer, the polyvinyl chloride resin and the softener according to the proportion;

s2, sequentially adding the weighed asphalt, the vegetable gum and the tackifier into a reaction kettle, stirring and mixing to obtain a mixture 1, sequentially adding the weighed ethylene propylene diene monomer, the polyvinyl chloride resin and the softener into the reaction kettle, stirring and mixing to obtain a mixture 2, and finally adding the mixture 1 into the mixture 2, stirring and mixing to obtain the adhesion agent required by the adhesion layer.

The invention aims to solve another technical problem of providing a preparation process of an antioxidant self-adhesive waterproof roll, which comprises the following steps:

(1) removing dust or impurities on the surface of the base material, coating the adhesive on the bottom of the base material, standing for 2-4 minutes, adhering the waterproof film to the bottom of the adhesive to enable the waterproof film to be firmly connected with the base material, coating the adhesion layer on the bottom of the waterproof film, adhering the protective film to the bottom of the adhesion layer, and finally coating the oxidation resistant layer on the top of the base material to form an initial product of the oxidation resistant self-adhesive waterproof coiled material;

(2) the waterproof roll material of the primary product is conveyed to flattening equipment, and the waterproof roll material is flattened by using an extrusion roller, so that the raw materials of the waterproof roll material can be firmly combined together, and the problem of falling and separation among the raw materials is avoided;

(3) the waterproofing membrane after the compaction is cut out according to size demand utilization earlier to cut out equipment, and the waterproofing membrane after will cutting out conducts to the wind-up roll on, and the rotation that utilizes the wind-up roll is rolled up waterproofing membrane and is deposited.

Preferably, in the step (1), the dust or impurities on the surface of the substrate are removed by a blower.

Preferably, in the step (2), the primary waterproof roll moves at a uniform speed in the process of conducting and compacting.

Preferably, in the step (3), the winding roller is powered by a driving motor, and the waterproof roll is stored in a constant-temperature environment.

(III) advantageous effects

Compared with the prior art, the invention provides an antioxidant self-adhesive waterproof coiled material and a preparation process thereof, and the antioxidant self-adhesive waterproof coiled material has the following beneficial effects:

according to the antioxidant self-adhesive waterproof roll and the preparation process thereof, the antioxidant layer prepared from the aldehyde amine, the p-phenylenediamine, the phosphite ester, the thioether, the emulsifier and the rubber oil is arranged, so that the mutual cooperation between the primary antioxidant and the auxiliary antioxidant can be utilized, the antioxidant performance of the waterproof roll is enhanced, and the problem that the waterproof roll is subjected to chemical reactions such as oxidation and the like under severe natural environments such as wind, sunlight and the like is solved, so that the aging speed of the waterproof roll is slowed down, and the service life of the waterproof roll is prolonged;

according to the antioxidant self-adhesive waterproof coiled material and the preparation process thereof, the adhesion layer prepared from asphalt, vegetable gum, a tackifier, ethylene propylene diene monomer, polyvinyl chloride resin and a softener is arranged, so that the adhesion strength of the waterproof coiled material can be enhanced, the problem that the waterproof coiled material falls off due to long-term use is avoided, and the adhesion performance of the waterproof coiled material is improved;

this anti-oxidation self-adhesion waterproofing membrane and preparation technology thereof through setting up the gluing agent that forms by acrylic acid, polyurethane, phenolic resin and cross-linking agent configuration, can fix the bonding to substrate and waterproof film to the fastness between the two has been strengthened, and through setting up waterproof film, can block the infiltration of water, thereby has further strengthened this waterproofing membrane's waterproof performance.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An anti-oxidation self-adhesion waterproof coiled material comprises a base material, a waterproof film and an adhesive, wherein the bottom of the base material is fixedly connected with the waterproof film through the adhesive, the base material and the waterproof film can be firmly adhered through the adhesive, and the water body can be prevented from permeating through the waterproof film, so that the waterproof effect of the waterproof coiled material is further enhanced, an adhesion layer is laid at the bottom of the waterproof film, the waterproof coiled material can be firmly adhered to the surface of a protection object through the adhesion layer, the problem that the waterproof coiled material falls off due to long-term use is avoided, so that the adhesion performance of the waterproof coiled material is improved, a protection film is laid at the bottom of the adhesion layer, the adhesion layer can be protected through the protection film, the problem that the adhesion strength is reduced due to ash adhesion of the adhesion layer is avoided, the top of the base material is coated with an anti-oxidation layer, the oxidation resistance of the waterproof roll can be improved by arranging the oxidation resistant layer, and the problem that the waterproof roll is subjected to chemical reactions such as oxidation and the like under severe natural environments such as wind, sunlight and the like is solved, so that the aging speed of the waterproof roll is slowed down, and the service life of the waterproof roll is prolonged;

the anti-oxidation layer is composed of the following raw materials in parts by weight: 30-50 parts of primary antioxidant, 10-30 parts of secondary antioxidant, 3-9 parts of emulsifier and 5-15 parts of rubber oil, wherein the primary antioxidant adopts p-phenylenediamine and aldehyde amine, the secondary antioxidant adopts phosphite ester and thioether, and the preparation method of the antioxidation layer comprises the following steps:

firstly, weighing aldehyde amine, p-phenylenediamine, phosphite ester, thioether, emulsifier and rubber oil according to a ratio; sequentially adding weighed aldehyde amine, p-phenylenediamine, phosphite ester and thioether into a reaction kettle, stirring the aldehyde amine, the p-phenylenediamine, the phosphite ester and the thioether by using a high-speed shearing machine, sequentially adding weighed emulsifier and rubber oil while stirring the mixture, and heating the reaction kettle to raise the temperature so that the materials in the reaction kettle can be rapidly mixed and dissolved; and when the materials in the reaction kettle are completely dissolved, stopping heating, so that the materials in the reaction kettle can be cooled to room temperature, and the antioxidant required by the antioxidation layer is formed.

In this embodiment, the adhesive is composed of the following raw materials in parts by weight: 15-35 parts of acrylic acid, 15-35 parts of polyurethane, 15-35 parts of phenolic resin, 10-20 parts of cross-linking agent and a preparation method of the adhesive comprises the following steps:

firstly, weighing acrylic acid, polyurethane, phenolic resin and a cross-linking agent according to a proportion; and sequentially adding weighed acrylic acid, polyurethane and phenolic resin into a reaction kettle, heating to 90-120 ℃, performing auxiliary stirring by using ultrasonic waves, slowly adding a cross-linking agent while stirring the materials, and stirring the materials for 20-30 minutes to obtain the required adhesive.

In this example, the adhesion layer is composed of the following raw materials in parts by weight: 30-50 parts of asphalt, 5-10 parts of vegetable gum, 1-5 parts of tackifier, 10-20 parts of ethylene propylene diene monomer, 10-20 parts of polyvinyl chloride resin, 1-5 parts of softener and a preparation method of an adhesion layer, wherein the preparation method comprises the following steps:

firstly, weighing asphalt, vegetable gum, a tackifier, ethylene propylene diene monomer rubber, polyvinyl chloride resin and a softener according to a ratio; and sequentially adding the weighed asphalt, the vegetable gum and the tackifier into a reaction kettle for stirring and mixing to obtain a mixture 1, sequentially adding the weighed ethylene propylene diene monomer, the polyvinyl chloride resin and the softener into the reaction kettle for stirring and mixing to obtain a mixture 2, and finally adding the mixture 1 into the mixture 2 for stirring and mixing to obtain the adhesion agent required by the adhesion layer.

A preparation process of an antioxidant self-adhesive waterproof coiled material comprises the following steps:

firstly, removing dust or impurities on the surface of a base material, coating an adhesive on the bottom of the base material, standing for 2-4 minutes, adhering a waterproof film to the bottom of the adhesive to enable the waterproof film to be firmly connected with the base material, coating an adhesion layer on the bottom of the waterproof film, then adhering a protective film to the bottom of the adhesion layer, and finally coating an oxidation resistant layer on the top of the base material, thereby forming an initial product of the oxidation resistant self-adhesive waterproof coiled material; the waterproof roll material of the primary product is conveyed to flattening equipment, and the waterproof roll material is flattened by using an extrusion roller, so that the raw materials of the waterproof roll material can be firmly combined together, and the problem of falling and separation among the raw materials is avoided; and finally, cutting the compacted waterproof coiled material by using cutting equipment according to size requirements, conducting the cut waterproof coiled material to a winding roller, and winding and storing the waterproof coiled material by using the rotation of the winding roller.

In this embodiment, the dust or impurities on the surface of the substrate are removed by the blower, which can enhance the cleanness of the surface of the substrate, so that the adhesive and the anti-oxidation layer can be better adhered to the substrate.

In this embodiment, first article waterproofing membrane is at the in-process of conduction compaction, all is the mode that adopts the uniform velocity motion for first article waterproofing membrane can the atress be even at the in-process of compaction, thereby has improved waterproofing membrane's compaction effect.

In this embodiment, the wind-up roll is provided power by driving motor, and waterproofing membrane leaves constant temperature environment in, and driving motor can drive the wind-up roll and take place steady rotation for waterproofing membrane can be orderly winding in the outside of wind-up roll, and waterproofing membrane after the rolling leaves constant temperature environment in, can improve waterproofing membrane's life.

The invention has the beneficial effects that: according to the antioxidant self-adhesive waterproof roll and the preparation process thereof, the antioxidant layer prepared from the aldehyde amine, the p-phenylenediamine, the phosphite ester, the thioether, the emulsifier and the rubber oil is arranged, so that the mutual cooperation between the primary antioxidant and the auxiliary antioxidant can be utilized, the antioxidant performance of the waterproof roll is enhanced, and the problem that the waterproof roll is subjected to chemical reactions such as oxidation and the like under severe natural environments such as wind, sunlight and the like is solved, so that the aging speed of the waterproof roll is slowed down, and the service life of the waterproof roll is prolonged;

according to the antioxidant self-adhesive waterproof coiled material and the preparation process thereof, the adhesion layer prepared from asphalt, vegetable gum, a tackifier, ethylene propylene diene monomer, polyvinyl chloride resin and a softener is arranged, so that the adhesion strength of the waterproof coiled material can be enhanced, the problem that the waterproof coiled material falls off due to long-term use is avoided, and the adhesion performance of the waterproof coiled material is improved;

this anti-oxidation self-adhesion waterproofing membrane and preparation technology thereof through setting up the gluing agent that forms by acrylic acid, polyurethane, phenolic resin and cross-linking agent configuration, can fix the bonding to substrate and waterproof film to the fastness between the two has been strengthened, and through setting up waterproof film, can block the infiltration of water, thereby has further strengthened this waterproofing membrane's waterproof performance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.