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thermoplastic polyurethane elastomer (tpu) is an anbm type block copolymer. there are urethane groups and polyether groups in tpu. carbamate groups have higher cohesive energy and clump together to form hard segments, whereas polyester or polyether groups clump together

the principle of tpu waterproof and breathable membrane is: in the state of water vapor, the water vapor particles are very small, much smaller than the diameter of the pores of the waterproof breathable membrane. according to the principle of capillary movement, it can penetrate well from the inside to the capillary to the outside, thus allowing vapor permeability to occur. phenomenon. when water vapor condenses into water droplets, the particles become larger. due to the tension on the surface of the water droplets...

tpu film is a special kind of film material. it not only has good waterproof and durability, but can also be made into certain adhesive films according to the actual needs of users, whether it is in agricultural planting, livestock breeding or some clothing production. it has many applications in many industries. tpu existing on the market...

tpu spray-free adhesive blister film, as the name suggests, is an adhesive film that does not require spraying. it is a type of tpu hot-melt adhesive film. so where is this new product - spray-free glue used? let me introduce it to you below! tpu spray-free glue can be made into a composite hot-melt adhesive film. the composite hot-melt adhesive film is produced from environmentally friendly tpu materials...

anyone who has a certain understanding of cast hot melt adhesive film will have a certain interest in tpu hot melt adhesive film. tpu hot melt adhesive film is a special hot melt adhesive film made of a variety of materials. it's easy to get people's attention. first of all, we should know that tpu hot melt adhesive film is a kind of glue. this is an environmentally friendly adhesive. like all hot melt adhesive films...

the market demand for low-temperature hot-melt adhesive films is still relatively large. for example, the shoe material industry, wall covering industry, plastic products and other industries all have relatively large demand for low-melting point hot-melt adhesive films. however, everyone does not know much about low-melting point hot-melt adhesive films, and most of them are limited to eva low-temperature hot-melt adhesive films. low temperature hot melt adhesive...

the quality of tpu composite waterproof membrane is stable. tpu waterproof and breathable membrane is an important product of fulian in clothing wash-resistant composite. washable composite clothing can save people a lot of trouble in their daily lives. whether it is winter or summer, hot or cold water, it can be easily washed, saving a lot of trouble...

characteristics of tpu hot melt adhesive film, how to use tpu hot melt adhesive film? tpu hot melt adhesive film is a common hot melt adhesive product that can be used in industrial production. widely used in all walks of life. let us introduce the characteristics of tpu hot melt adhesive film and its application in the clothing field. characteristics of tpu hot melt adhesive film; tpu hot...