Adhesive of self-adhesive layer adopting multielement monomer copolymerization and preparation method thereof

Abstract

The invention relates to an adhesive of a self-adhesive layer adopting multielement monomer copolymerization and a preparation method thereof. The adhesive is prepared from raw materials containing components A, B, C and D through temperature-control and time-control synthesis, wherein the component A contains 80.0-150.0 parts by weight of deionized water; the component B contains 5.0-30.0 parts by weight of deionized water, 0.2-2.5 parts by weight of sulfate and 0.1-2.0 parts by weight of polymerizer; the component C contains 70.0-180.0 parts by weight of deionized water, 0.2-5.0 parts by weight of sulfate and 1.0-4.5 parts by weight of polymerizer; and the component D contains 50.0-260.0 parts by weight of acrylic ester, 3.0-10.0 parts by weight of methacrylic acid, 0.2-15.0 parts by weight of tackifying resin, 8.0-120.0 parts by weight of acetic ester, 3.0-10.0 parts by weight of methyl methacrylate and 2.0-5.0 parts by weight of organosilicon. The adhesive has waterborne environmental protection, no toxin or taste, high peel strength and good weather fastness; and the adhesive layer has viscosity of being not influenced by temperature change and can be stored for a long time. The production process has the advantages of short flow and convenient and flexible operation and does not have special demands on equipment; no three wastes are discharged in the production process; and factory construction invest capitals are few, and the product benefit is high.

Description

technical field [0001] The invention relates to an adhesive for building waterproof materials, in particular to an adhesive for a self-adhesive layer tape used on an environmentally friendly wide temperature-varying self-adhesive layer waterproof coiled material. The adhesive is water-based, non-toxic and tasteless, has high peeling strength, good weather resistance, the viscosity of the adhesive layer is not affected by temperature changes, ensures that the self-adhesive layer tape can be stored and used for a long time, and the adhesive is prepared. Background technique [0002] At present, there are three major series of waterproof membrane products used in the existing market in my country, namely: 1. Polymer plastic waterproof membranes, such as: polyethylene, polypropylene, polyvinyl chloride (PVC) waterproof membranes, etc.; 2. .Rubber waterproof membrane, such as: EPDM, butyl rubber, recycled rubber and chlorinated polyethylene-rubber blend waterproof membrane, etc.; ...

AI Technical Summary

Problems solved by technology

[0006] a. Temperature changes throughout the year bring great difficulty to production and storage time, and it is impossible to have a good product quantity reserve. It is necessary for the enterprise to formulate annual production plans and adjust the reasonable allocation and orderly arrangement of products of various specifications. Development is subject to certain constraints;

[0007] b. When some reasons are encountered in the process of sales and construction application, when the products produced by the formula in a certain period of time cannot be normally constructed according to the period of time, losses will be caused due to the difficulty of construction and application due to the decrease of bonding performance;

[0008] c. When used on the roof of a building or other exposed parts, due to the sun exposure and the change of temperature difference between day and night and four seasons, the softened oil will be quickly overflowed, making the asphalt or modified asphalt layer harden and crack, and the adhesion between the coil and the base Drop and disengage, causing leakage, affecting the waterproof quality and service life of the building

[0009] d. In application construction, when the temperature rises, the viscosity of asphalt or modified asphalt increases, which makes it difficult to remove the anti-adhesive film or anti-adhesive paper compounded on the asphalt or modified asphalt layer. When the temperature drops, the asphalt Or the viscosity of modified asphalt decreases rapidly, making it difficult to bond with the substrate; thus affecting the quality of construction and the progress of the project

[0010] e. There are often contradictions between the technical indicators of the peel strength in the national standard of detection and the actual application of the bonding strength. In practical applications, users often receive complaints that the bonding strength is not high

Therefore, some users require exchange or return, and some require compensation for causing losses, which will have a negative impact on the reputation of the company and the quality of the product, and also cause a lot of waste.

[0011] 2. Solvent-based cold adhesives that dissolve asphalt, rubber or resin with organic solvents, have strong odor and high toxicity, and are very harmful to the environment, society, production and construction workers, which is not conducive to the improvement of technology and social development. and progress;

[0012] 3. The method of heating and melting with a blowtorch is the same. Not only will a large amount of toxic substances and thick smoke be released during construction, it will cause harm to the health of construction workers and cause serious pollution to the environment.

Moreover, open flames and flammable materials are easy to cause fires, causing serious unsafe hidden dangers in construction sites

[0013] 4. The bonding strength of the polyurethane coating and cement mortar instead of the adhesive is low, and the temperature-variable expansion and contraction properties of the two are greatly different. The bonding force between the materials is low, and it is easy to cause detachment from the base layer, which affects the waterproof quality and service life

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