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Shenzhen Minghao automation equipment Co., Ltd

Contact: Mr. Li 13424307553

Miss Ding 13543299605

Q Q: 439885393 (Mr. Li)

986107164 (Ms. Ding)

Landline: 0755-23346172

Website: enmhzdh.mycn86.cn

Mail box: 986107164@qq.com

website:  en.minghaosz.cn

Address: A-1, Building 46, No. 67, Benggang Road, Dongfang Community, Songgang Street, Baoan District, Shenzhen

Do you know polyurethane materials?

2020-07-25 09:03:22

The full name of polyurethane is polyurethane, which is a high molecular compound containing -NHCOO- unit in its molecular structure. In the 1970s, German Otto Bayer first formed PU. Around 1950, polyurethane appeared in Europe as a textile finishing agent, but most of them were solvent-based products for dry coating finishing. In the 1960s, with the advancement of people's awareness of environmental protection and the promulgation of government environmental regulations, waterborne polyurethane coatings came into being. Since the 1970s, waterborne polyurethane coatings have developed rapidly, and polyurethane coated fabrics have been widely used. Since the 1980s, the research and use technology of polyurethane has been broken. Polyurethane anti-vibration washer


Polyurethane coatings are the primary type developed today. Its advantages are: the coating is soft and elastic; the coating has good strength and can be used for extremely thin coatings; the coating has moisture permeability and air permeability. Wear-resistant, moisture-proof, and dry-cleaning resistant. Its disadvantages are: high cost; poor weather resistance; hydrolysis in water, heat and alkali. Common polyurethane plastics are mostly soft foam and hard foam. Polyurethane material

The main feature of this product is that it can be composed according to specific requirements by changing the specifications, varieties and formulas of the raw materials. The product is light in weight (adjustable in density), strong in specific strength, excellent in insulation and sound insulation, good electrical functions, good processing technology, good chemical resistance, low water absorption, and can be made into self-extinguishing products.

Polyurethane is mainly used as thermal insulation materials for cold storage, freezers, pipelines and other parts, while structural materials for high-rise buildings, aviation, cars and other parts have the effects of thermal insulation, sound insulation and light weight. Ultra-low-density rigid foam can be used as shock-proof packaging materials and filling materials for the hull interlayer.

Polyurethane, as one of the widely used materials in this century, is closely related to your life. Today, we use a novel way to introduce you to the basic common sense of polyurethane, which is closely related to your work.

Product output distribution in the polyurethane industry, polyurethane is ubiquitous.

Polyurethane is widely used in the clothing industry. Its representative products are highly elastic fibers and leather products, which are comfortable, soft, flexible and flexible to wear. Polyurethane artificial leather, composition leather and foam are used in bags and footwear and have won praise for their natural feel and durability.

In the electronics industry, magnetic adhesives used as various recording media, such as audio tapes, video tapes, computer disks, rechargeable cards, electronic tickets, etc., have increased the recording density. In recent years, polyurethane adhesives have been widely used in mobile phone printed circuits. Polyurethane is widely used in all aspects of cars. In addition to the roof material with heat and sound insulation effect, the car seat cushion to ensure driving comfort, the bottom material and sealing material to isolate noise and vibration and maintain a quiet space, it also has the instrument panel, door interior, front panel, seat It is effective in seat backs, mudguards, shock absorbers, oil seals, non-explosive tires and paint.

In residences, rigid foam is used as a good insulation material for walls, floors, roofs, etc. In addition, it is also used to build all-weather running tracks and golf courses.

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