Electron beam curing adhesive and preparation method and coating method thereof
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An electron beam curing and adhesive technology, applied in the direction of adhesives, adhesive additives, non-polymer adhesive additives, etc., can solve the problems of low temperature and fast drying, and achieve excellent adhesive effect and good use effect. , easy-to-update effects
Inactive Publication Date: 2018-10-02
JOLYWOOD SUZHOU SUNWATT
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However, the currently widely used electron beam curing adhesives still cannot meet the requirements of low temperature and fast drying.
Method used
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preparation example Construction
[0069] The preparation method of the above-mentioned electron beam curing adhesive comprises the steps of:
[0070] 1) Add the main active resin, multifunctional curing agent and active solvent into the mixer, adjust the temperature to 20-100°C, preferably adjust the temperature to 30°C, keep constant temperature, stir and mix for 20-50 minutes;
[0071] 2) Add plasticizer and filler to the mixture obtained in 1), adjust the temperature to 20-100°C, keep constant temperature, stir and mix for 20-50 minutes;
[0072] Then add functional additives to the mixture obtained in step 2), adjust the temperature to 20-100° C., keep constant temperature, and stir and mix for 20-50 minutes.
[0073] Wherein, the functional additive can also be added simultaneously with the plasticizer and the filler in step 2), mainly determined according to the function and chemical and physical properties of the functional additive. It is easy to update and integrate existing production lines. In the...
specific Embodiment approach
[0081] The preferred specific implementation is as follows:
Embodiment approach 1
[0083] The adhesive is prepared according to the following composition ratio (mass percentage):
[0084]
[0085] The surface of the adherend (for example: PET) is treated, and the silicone resin adhesive is mixed evenly according to the above ratio. After pre-mixing for one hour, the glue is applied, followed by EB curing, and finally compounded.
[0086] Example effects: curing temperature 30°C, VOC emission 15%, curing time 20h, low temperature resistance -150°C, high temperature resistance 200°C, tensile strength 25Mpa.
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Abstract
The invention relates to an electron beam curing adhesive and a preparation method and a coating method thereof. The electron beam curing adhesive comprises main reactive resin, a polyfunctional curing agent, a plasticizer, a filler and an active solvent. The electron beam curing adhesive is converted into a solid through polymerization and crosslinking under the action of electron beam irradiation. The electron beam curing adhesive has the beneficial effects as follows: fast curing is achieved, so that a photoinitiator is not required to be introduced into a formula, and thus higher economy is achieved; curing can be achieved at a relatively low dose of electron beam radiation, so that higher safety is achieved; curing can be performed at room temperature, so that no additional heat source is not needed, and thus more energy is saved; the electron beam curing adhesive does not contain a volatile solvent, so that the whole curing process is more environment-friendly; the high energy and the high penetration of an electron beam make curing more complete, an adhesive effect is better, and an adhesive layer is more weather-resistant and steaming and boiling-resistant.
Description
technical field [0001] The invention relates to the field of adhesives, in particular to an electron beam curing adhesive, a preparation method and a coating method thereof. Background technique [0002] Humans have a long history of using adhesives. Most of the earliest adhesives used come from natural adhesive substances, and most of them are water-soluble. Due to the development of modern industry, natural adhesives can no longer meet the requirements in terms of output or variety, thus contributing to the continuous development of the synthetic adhesive industry. In the early 20th century, phenolic resin glue opened a new era of synthetic adhesives. After that, the development of adhesives was even more rapid. Adhesives are organic or inorganic, natural or synthetic substances that can be cured with a curing agent and have sufficient strength after curing. Its main function is to connect two or more homogeneous or heterogeneous materials together. [0003] Traditiona...
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