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Brief analysis: the range of polyurethane insulation materials

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Polyurethane insulation material is the best insulation material in the world. Hard polyurethane is characterized by light weight, low thermal conductivity, good heat resistance, aging resistance, easy bonding with other base materials and no melting drop during combustion. It is widely used in European and American countries for building roofs, walls, ceilings, floors, doors and Windows as insulation materials. In developed countries such as Europe and America, about 49% of building insulation materials are polyurethane, while in China the proportion is less than 10%.
As a kind of polymer material with excellent performance, polyurethane insulation material has become the fifth plastics after polyethylene, polyvinyl chloride, polypropylene and polystyrene. The global total output has exceeded 10 million tons/year. In recent years, China's polyurethane industry has achieved great development, which has been widely used in the fields of refrigerator, container, leather, shoemaking and textile. And this time in the building energy conservation and other areas of vigorous promotion, will create a huge development space for China's polyurethane industry.
1. Application in daily life:
Application of furniture industry
Paint, 2. Paint, 3. Adhesive, 4. Sofa, 5. Mattress, 6. Armrest
Application of household appliances
Electrical insulation paint 2. Wire and cable sheath 3. Insulation layer of refrigerator, refrigerator, disinfection cabinet, water heater 4
Application in construction industry
Sealing adhesive, 2. Adhesive, 3. Roof waterproof insulation layer, 4. Cold storage insulation, 5. Exterior and interior paint. 6. Floor paint, 7. Synthetic wood, 8. Runway, 9
Application of transportation industry
Seat, armrest, headrest, door panel, instrument panel, steering wheel, bumper, shock absorber, fender for aircraft and automobile interior accessories
Application of shoemaking and leather industry
2. Adhesives 3. Leather finishing agent 4. Artificial leather, synthetic leather coating
The application of sports industry
Plastic sports venues (including the laying of basketball, volleyball, badminton, tennis courts and racetracks), sports clothes (dancing clothes, swimming suits, dancing clothes); Sneakers, scooters
2. Specific applications of various polyurethane materials are:
1. Flexible PU foam
Cushion material -- such as seats, sofas, mattresses, etc., polyurethane soft foam is a very ideal cushion material, which is also the application field with the largest amount of soft foam;
Sound absorbing material -- polyurethane soft foam with opening holes has good sound absorbing and shock absorbing function, which can be used as indoor sound insulation material;
Fabric composites - shoulder pads, bra sponges, cosmetic cotton; toy
2, PU hard foam Rigid PU
Refrigeration equipment -- such as refrigerator, freezer, refrigerator, refrigerator, refrigerator, etc.
Insulation of industrial equipment -- such as storage tanks, pipes, etc.
Building materials -- in developed countries in Europe and the United States, the use of polyurethane rigid foam in construction accounts for about 70% of the total consumption of hard foam, which is more than twice that of refrigerators, freezers, etc. In China, the application of hard foam in the construction industry is not as common as that in western developed countries, so the development potential is very big;
Transportation industry -- such as automobile roof, interior decoration (steering wheel, instrument panel), etc.
Density of imitation wood, high density (300 ~ 700 kg/m3) glass fiber reinforced rigid polyurethane or hard bubble is foam structure, also known as the imitation wood, high strength, good toughness, crust and dense tenacity, characteristics of molding process is simple, high efficiency, high strength than natural lumber, density is lower than natural wood, alternative wood used for all kinds of high-end products.
Sealing material - such as waterproof grouting material, leak stopping material, roof waterproof material
Flower industry -- PU flowerpot, flower plug and mud, etc
3. PU semi-rigid foam Semi-rigid PU
Energy absorbent foam -- energy absorbent foam has excellent shock absorption, buffering performance, good compression load resistance and deformation recovery performance.
Integral Skin Foam -- for use in automobile steering wheel, armrest, headrest and other softening internal functional parts and interior accessories. Self-skin foam products usually adopt Reaction Injection Moulding (RIM) processing technology.
Polyurethane microporous elastomers are most typically used in the footwear industry.
4. Polyurethane Elastomers
Casting polyurethane elastomer (CPU for short) is one of the most widely used polyurethane elastomers with the largest output.
Thermoplastic polyurethane elastomer (TPU for short) - thermoplastic polyurethane elastomer accounts for about 25% of total polyurethane elastomer.
Mixed polyurethane elastomers (MPU for short) - about 10% of total polyurethane elastomers.
Solid tyre; Printing and conveying rubber rolls; Pressure cots; Oil seal, washer ball joint, bush bearing; Type O ring; Cushion; Sole, back root, head; The lining; The hardness range of elastomer is different in different application fields.
Application in mining, metallurgy and other industries - screen board, shaking table
Application in mechanical industry - cots, tapes, seals, etc.
Application in automobile industry -- tire, sealing ring, etc.
Application in light industry - polyurethane sole material, polyurethane synthetic leather, polyurethane fiber;
Application in construction industry -- waterproof material, paving material, filling and sealing material, etc.
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