阅读说明：本技术 一种应用于高端防水材料的超耐候环保型紫外光固化压敏胶粘剂及其制备方法 (Super-weather-resistant environment-friendly ultraviolet curing pressure-sensitive adhesive applied to high-end waterproof material and preparation method thereof ) 是由 徐存 于 2018-08-22 设计创作，主要内容包括：本发明的目的在于针对现有防水材料技术的不足,具体涉及一种应用于高端防水材料的超耐候环保型紫外光固化压敏胶粘剂及其制备方法,包括以下重量份的组分：丙烯酸丁酯20‐45份,丙烯酸异辛酯10‐50份,丙烯酸0.5‐2份,丙烯酸羟乙酯0‐2份,乙酸乙酯60‐90份,过氧化苯甲酰0.2‐2份,过氧化双月桂酰0.5‐3份,石油树脂10‐30份,抗氧化剂0‐5份,光引发剂0.1‐10份；利用本发明的紫外光固化胶粘剂制得的防水卷材,不仅具有优异的耐候性及耐热性,有高黏着力,同时也具有良好的防水性,大大满足了防水材料对耐久性能的要求。(The invention aims to overcome the defects of the existing waterproof material technology, and particularly relates to an ultra-weather-resistant environment-friendly ultraviolet curing pressure-sensitive adhesive applied to a high-end waterproof material and a preparation method thereof, wherein the ultra-weather-resistant environment-friendly ultraviolet curing pressure-sensitive adhesive comprises the following components in parts by weight: 20-45 parts of butyl acrylate, 10-50 parts of isooctyl acrylate, 0.5-2 parts of acrylic acid, 0-2 parts of hydroxyethyl acrylate, 60-90 parts of ethyl acetate, 0.2-2 parts of benzoyl peroxide, 0.5-3 parts of dilauroyl peroxide, 10-30 parts of petroleum resin, 0-5 parts of antioxidant and 0.1-10 parts of photoinitiator; the waterproof coiled material prepared by the ultraviolet curing adhesive has excellent weather resistance and heat resistance, high adhesive force and good waterproofness, and greatly meets the requirement of a waterproof material on durability.)

1. An ultra-weather-resistant environment-friendly ultraviolet curing pressure-sensitive adhesive applied to high-end waterproof materials and a preparation method thereof are characterized in that: comprises the following components in parts by weight,

20-50 parts of butyl acrylate;

10-40 parts of isooctyl acrylate;

0.5-2 parts of acrylic acid;

0-5 parts of hydroxyethyl acrylate;

60-90 parts of ethyl acetate;

0.2-2 parts of benzoyl peroxide;

0.5-3 parts of dilauroyl peroxide;

10-30 parts of petroleum resin;

0-5 parts of an antioxidant;

0.1-10 parts of photoinitiator.

2. The super weather-proof environment-friendly ultraviolet curing pressure-sensitive adhesive applied to high-end waterproof materials and the preparation method thereof as claimed in claim 1 are characterized in that: the photoinitiator is one or more of benzoin ethyl ether, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxycyclohexyl phenyl ketone, benzophenone and ethyl 2,4, 6-trimethylbenzoylphenylphosphonate.

3. The super weather-proof environment-friendly ultraviolet curing pressure-sensitive adhesive applied to high-end waterproof materials and the preparation method thereof as claimed in claim 1 are characterized in that: comprises the following steps

The process flow comprises the following steps:

A. dividing ethyl acetate into two parts, then putting butyl acrylate, isooctyl acrylate, acrylic acid, hydroxyethyl acrylate and a part of ethyl acetate into a three-neck round-bottom flask, respectively connecting the three-neck round-bottom flask with a stirrer, a thermometer and a condenser, uniformly stirring the added raw materials through the stirrer, and heating the added raw materials through water bath heating;

B. heating to 85-90 ℃, adding part of photoinitiator, dividing the benzoyl peroxide into two parts, and adding part of benzoyl peroxide while stirring;

C. after the benzoyl peroxide added in the step B releases heat, the temperature of the three-neck round-bottom flask is kept within the range of 85-90 ℃, and after the reaction is carried out for 0.4-2 hours, the other part of benzoyl peroxide and the other part of ethyl acetate are added;

D. adding another part of benzoyl peroxide and another part of ethyl acetate to react for 0.5-2 h, adding dilauroyl peroxide, keeping the temperature for 2-5 h, and cooling;

E. after cooling to room temperature, adding petroleum resin and the other part of photoinitiator, and uniformly mixing and stirring to prepare a photocurable prepolymer;

F. and finally, removing the solvent in the photo-curable prepolymer obtained in the step E to obtain the ultraviolet curing pressure-sensitive adhesive.

4. The waterproof roll manufactured based on the pressure-sensitive adhesive and the preparation method thereof according to claim 1 is characterized in that: the curing energy for ultraviolet irradiation curing of the base materials of the direct glue coating layer and the transfer glue coating layer is 50-300 mJ/m 2; the thickness of the direct gluing layer or the transfer gluing layer after ultraviolet irradiation is 50-200 μm; the base material is one of a plastic base material, a cloth base material, a non-woven fabric base material or a paper base material, and the thickness of the base material is 50-500 mu m.

Technical Field

The invention relates to the technical field of pressure-sensitive adhesives, in particular to an ultra-weather-resistant environment-friendly ultraviolet curing pressure-sensitive adhesive applied to a high-end waterproof material and a preparation method thereof.

Background

In recent years, building waterproofing plays a very important role in engineering design, and is always the place which is most easy to have quality problems in building engineering, and once leakage occurs, the leakage is difficult to completely cure; in the early years, some designers and construction units do not pay attention to waterproof design and construction, and consider that as long as the appearance of a building is good, a good building is provided with reasonable use functions, and along with the increase of economic environment, people gradually change the waterproof concept of the building, the concept of the waterproof function is changed from the economic concept with a heavier price in the past, and meanwhile, the quality and the service life of waterproof engineering are also considered, so that under the condition of the awareness, the quality of the existing building and the quality of the existing commonly used waterproof materials can reach the standard, at present, the waterproof materials used in engineering are mainly two, the first type is waterproof paint, and the waterproof paint comprises but is not limited to: the waterproof coating comprises three main types of high-molecular waterproof coating, middle-grade modified asphalt and low-grade asphalt-based waterproof coating, wherein the high-molecular waterproof coating mainly comprises polyurethane, silicon rubber waterproof coating, water type ethylene propylene diene monomer composite waterproof coating and the like at present; the second is a waterproof coiled material, which is the waterproof material with the largest usage in China and most countries in the world at present, no matter the waterproof material occupies the front row according to the yield or the waterproof construction area, from the development direction of the waterproof coiled material, the national document 'New building material and product development guide catalogue' has made the order to prohibit the production of petroleum asphalt felt, and the synthetic polymer type as the high-grade waterproof coiled material is specified as a product mainly popularized in the 'guide catalogue', and the waterproof coiled material mainly used in the market at present is a modified asphalt type waterproof coiled material and a synthetic rubber type waterproof coiled material, but still has many defects:

1. aging resistance and insufficient heat resistance;

2. the bonding effect of the adhesive for the joint needs to be further improved;

3. the durability is short and maintenance and replacement are required every few years.

The acrylate pressure-sensitive adhesive is the most widely applied pressure-sensitive adhesive at present, is a copolymer of acrylic monomers, and has the following characteristics compared with the synthetic rubber used for waterproof materials at present:

1. the product has excellent weather resistance and heat resistance almost without adding an anti-aging agent;

2. the phase separation and migration phenomena are avoided, and the adaptability to the base material is high;

3. the oil resistance and the solvent resistance are good;

4. the adhesive property is high.

Therefore, the waterproof material made of the acrylate pressure-sensitive adhesive can meet the requirements of current engineering use, and can improve the service life of the material, compared with the development of a solvent type acrylate pressure-sensitive adhesive, the ultraviolet curing technology has the advantages of high curing speed, energy conservation, good coating performance, no waste, suitability for a high-speed automatic production line and the like, and simultaneously, the environment-friendly and energy-saving sound wave is also quickly improved due to the increase of the labor cost.

Disclosure of Invention

In order to solve the problems, the invention provides an ultra-weather-resistant environment-friendly ultraviolet curing pressure-sensitive adhesive applied to high-end waterproof materials and a preparation method thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows: an ultra-weather-resistant environment-friendly ultraviolet curing pressure-sensitive adhesive applied to high-end waterproof materials and a preparation method thereof are characterized in that:

comprises the following components in parts by weight,

20-50 parts of butyl acrylate;

10-40 parts of isooctyl acrylate;

0.5-2 parts of acrylic acid;

0-5 parts of hydroxyethyl acrylate;

60-90 parts of ethyl acetate;

0.2-2 parts of benzoyl peroxide;

0.5-3 parts of dilauroyl peroxide;

10-30 parts of petroleum resin;

0-5 parts of an antioxidant;

0.1-10 parts of photoinitiator.

Further, the photoinitiator is one or more of benzoin ethyl ether, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxycyclohexyl phenyl ketone, benzophenone, and ethyl 2,4, 6-trimethylbenzoylphenylphosphonate.

An ultra-weather-resistant environment-friendly ultraviolet curing pressure-sensitive adhesive applied to high-end waterproof materials and a preparation method thereof comprise the following process flows:

A. dividing ethyl acetate into two parts, then putting butyl acrylate, isooctyl acrylate, acrylic acid, hydroxyethyl acrylate and a part of ethyl acetate into a three-neck round-bottom flask, respectively connecting the three-neck round-bottom flask with a stirrer, a thermometer and a condenser, uniformly stirring the added raw materials through the stirrer, and heating the added raw materials through water bath heating;

B. heating to 85-90 ℃, adding part of photoinitiator, dividing the benzoyl peroxide into two parts, and adding part of benzoyl peroxide while stirring;

C. after the benzoyl peroxide added in the step B releases heat, the temperature of the three-neck round-bottom flask is kept within the range of 85-90 ℃, and after the reaction is carried out for 0.4-2 hours, the other part of benzoyl peroxide and the other part of ethyl acetate are added;

D. adding another part of benzoyl peroxide and another part of ethyl acetate to react for 0.5-2 h, adding dilauroyl peroxide, keeping the temperature for 2-5 h, and cooling;

E. after cooling to room temperature, adding petroleum resin and the other part of photoinitiator, and uniformly mixing and stirring to prepare a photocurable prepolymer;

F. and finally, removing the solvent in the photo-curable prepolymer obtained in the step E to obtain the ultraviolet curing pressure-sensitive adhesive.

The invention also provides a waterproof roll, the curing energy of ultraviolet irradiation curing required by the base materials of the direct gluing layer and the transfer gluing layer is 50-300 mJ/m 2; the thickness of the direct gluing layer or the transfer gluing layer after ultraviolet irradiation is 50-200 μm; the base material is one of a plastic base material, a cloth base material, a non-woven fabric base material or a paper base material, and the thickness of the base material is 50-500 mu m.

The invention has the beneficial effects that: the invention relates to a pressure-sensitive adhesive applied to a waterproof coiled material, which is prepared by polymerizing an acrylate solution, adding petroleum resin and a photoinitiator to ensure that the acrylate, the petroleum resin and the photoinitiator are chemically bonded to form a polymer with an interpenetrating network structure, and then heating and melting the polymer, and through ultraviolet light curing crosslinking, the characteristics of excellent pressure-sensitive property and weather resistance of the acrylate and high softening point, strong bonding force, large cohesion, high heat resistance and aging resistance of the petroleum resin are combined, so that the synthesized pressure-sensitive adhesive integrates the advantages of the acrylate and the petroleum resin, and the bonding strength and cohesion performance can be adjusted by utilizing photocuring energy, so that the waterproof roll material prepared by the pressure-sensitive adhesive of the invention, no harmful substance is released in the production environment, no solvent is left, the adhesive force can reach more than 2kg/in, and the conventional requirement of the waterproof coiled material is met;

the pressure-sensitive adhesive finally prepared by the invention is an ultraviolet curing acrylate pressure-sensitive adhesive, and integrates the advantages of acrylate, no solvent and ultraviolet curing, so that the adhesive force of the waterproof coiled material prepared by the pressure-sensitive adhesive can reach more than 2kg/in when the thickness of the adhesive layer is more than 50um, the prepared adhesive tape can meet the requirements of the field of waterproof coiled materials on environmental protection, no solvent, quick curing and high adhesive force, and simultaneously passes the national test standard and specification of waterproof materials; meanwhile, the preparation method is simple, convenient and fast, high in production efficiency and suitable for large-scale production.

Drawings

Fig. 1 is a schematic structural view of a waterproof roll according to the present invention.

Detailed Description

In order to make the technical solution of the present invention more apparent, the present invention is further described with reference to the following embodiments.