Other knowledge about pressure sensitive adhesives.

Pressure sensitive adhesive applications

On the market to see the polypropylene box, paper (wrinkle paper), PVC electrical tape.

Pressure-sensitive adhesive is mainly acrylic and rubber solvent - based or latex - based adhesive.Due to the need of high speed operation, reasonable coating and eliminating the problem of solvent pollution, the warm melt pressure-sensitive adhesive has been developed, which integrates the characteristics of hot melt adhesive and pressure-sensitive adhesive into one, and is solvent-free and pollution-free, and is relatively convenient to use.It is applied in the molten state, cooling and curing after the application of light finger pressure can play a bonding effect.

It has a wide range of applications, such as diapers, women's products, double-sided tape, labels, packaging, medical and health care, book binding, surface protective film, wood processing, wallpaper and shoe making.Among them, the consumption of HMPSA for packaging is the largest, accounting for almost half of the total.The main component of hot melt pressure sensitive adhesive is more styrene thermoplastic elastomer.Hot melt pressure sensitive adhesive has the advantages of no solvent, no air pollution, and high productivity.But the disadvantage is heat resistance, cohesion is insufficient.New thermoplastic elastomers, such as SEBS, SEPS and epoxidized SBS, are used to prepare warm melt pressure-sensitive adhesives with higher properties.

The new acrylate block copolymer has heat resistance, oxidation stability, UV stability, good adhesion to HDPE, stainless steel, glass, polystyrene, acrylic plate, polycarbonate, nylon, polypropylene and other materials, can be used for making medical tape, transparent film, label and so on.Acrylic acid polymer and water-soluble polymer were used to prepare hot melt pressure sensitive adhesive which could disperse in water.Acrylic acid polymer disperses into non-adhesive particles of less than 100 μs in weak alkali aqueous solution. It is easy to separate and suitable for recycling old paper.The copolymerization of acrylate monomer containing diphenylketone group resulted in the low Tg acrylate copolymer.

The warm melt pressure-sensitive adhesive is easy to cross linked by UV irradiation. The advantage is that it does not need to add photoinitiator and there is no initiator residue problem.

Low temperature (120~140℃) warm melt coating, low VOC, low odor, no skin irritation, good thermal stability.The adhesive tape of pressure sensitive adhesive is a special type of adhesive, that is, the adhesive liquid is coated on the substrate and processed into strips and made into rolls, including solvent activated adhesive tape, heating adhesive tape and pressure sensitive adhesive tape.For example, medical plaster and electrical insulating adhesive for daily use belong to pressure sensitive adhesive tape, the composition of pressure sensitive tape :① pressure sensitive adhesive ② substrate ③ bottom primer ④ back primer ⑤ isolation paper pressure sensitive adhesive main components include rubber type and resin type.

Amber Zhang Ms.

Foreign trade 

Zhejiang Ruico Advanced Materials Co., Ltd. (Stock No.873233)

Add: No.188, Liangshan Road, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province, China 313018

Phone: +86 (572) 2903236

Fax: +86 (572) 2905222

Wechat: 15534631339

Website: www.ruicoglobal.com 

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