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Main factors affecting the adhesion of pressure-sensitive adhesives

Wetting: Pressure-sensitive adhesive can achieve close contact only if it is well moistened with the surface of the adhered object, creating conditions for physical and chemical combination. Movement and diffusion of molecules: Pressure-sensitive adhesive molecules will move toward the surface of the adhered material. When the distance bond between the two is less than 5A, a physical and chemical bond will occur. Penetration: The adhesive layer flows and penetrates into the grooves and gaps under a certain pressure, increasing the contact area between the two. At this time, a mechanical bonding force is generated between the adhesive and the adhered material. Blow molding, casting, calendering Surface treatment of base film Corona treatment: formation of polar reactive groups and formation of extremely fine pits Coating: Apply the liquid glue evenly on the base film and dry it initially. The above are the main factors regarding the adhesiveness of pressure-sensitive adhesive. I hope it can help you.

2021

Working principle and maintenance of tape machine

1. This tape machine can produce conventional non-drying tapes, various wide and narrow tapes, transparent tapes, colored tapes, printed tapes, etc. The tape machine produced by our company adopts high-tech technologies such as electric, coal and gas drying, electronic temperature control, stepless speed change, automatic counting, automatic deviation correction, gravure printing, advanced infrared heating, cooling and re-pressing. The production processes of unwinding, printing, coating, drying, hot air circulation, traction, slitting, and winding are all completed in one machine.

2021

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86-512-53119488

General Manager: Zou Tianxing13913780560
Business Department:13063843362Mr. Nie
Email: admin@cexintech.cn
Address: No.145, Yanshan West Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province

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Jiangsu Factory
ADD: NO. 145, Yanshan West Road, Chengxiang Town,Taicang, Jiangsu, China

Hubei Factory
ADD: No. 200, West Ring Road, Economic Development Zone, Tianmen City, Hubei Province

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