What is good for shoe material fabric composite, and the advantages of shoe upper composite material

At present, there are two main ways to composite shoe fabrics, one is a very old way, using glue. However, this method is indeed old and almost obsolete. The other is the use of hot melt adhesive lamination, which can be said to be a widely used composite method in the shoe material industry.

Briefly introduce three kinds of shoe material fabric composite adhesives:

1) Non-woven upper lamination: the use of PA hot-melt adhesive web film as the main adhesive;

2) Leather upper, to divide the type of leather, if it is cowhide, use PUR hot melt adhesive; If it is pig skin, use PA hot melt adhesive web film, or TPU hot melt adhesive web film;

3) For the composite of leather uppers, TPU film or omentum can be used as adhesive.

Shoe materials and fabrics can be laminated with hot melt adhesive, white glue and oil glue.

Hot melt adhesive lamination, environmental protection, good fastness;

White glue composite, not washable, low investment;

Oil-glue composite is not environmentally friendly, and the fastness is better than that of white glue lamination.

Now the material fabric composite factory is used to compound the machine, are more water glue, because a good water-based composite glue has no smell, sticky firmly, will not fall off, the amount of glue is also saved, some people use white glue, it seems that it can be for a short time, but when it comes to rainy days, the white glue composite fabric is easy to open the glue and mold.

Oil glue cleaning troublesome, high, smelly, composite fabric will be harder, because thick, less composite area, many slipper fabric factories in Hebei and Henan are used Tianxinda water-based composite glue, no smell, the worker's body is guaranteed. Kaifeng.

Composite materials are materials with two or more different properties, through physical or chemical methods, to form materials with new properties on a macroscopic scale. Its advantages are determined by the choice of composite materials, and the advantages and disadvantages of different materials are also different.

Composites have overall advantages over their constituent materials.

1. It has high specific strength and specific modulus (stiffness).

Second, it can be used in a wide range of temperatures, and its use temperature is higher than its constituent materials.

3. Good dimensional stability, more suitable for the foot surface.

4. Good chemical stability (polymer matrix composites and ceramic matrix composites have good corrosion resistance).

5. Good creep resistance, impact resistance and fracture toughness.

Overview: It is a new type of material made by bonding one or more layers of textile materials with oil glue or hot melt adhesive. 6 Internationally Popular Composite Fabric Processes:

1.Hot Melt Powder Dispensing Composite Fabric Technology.

2.The hot-melt glue dot composite fabric technology is polyurethane.

3.Hot melt powder composite fabric technology.

4.Hot-melt two-point composite fabric technology.

5.Polyurethane spray composite fabric technology.

6.Polyurethane roll-applied composite fabric technology is polyurethane.

The sole material is basically: PVC TPR PU rubber leather outsole. **From low to high, performance, wear resistance. The level of comfort is also low to high.

Composites are a mixture.

Composite materials are divided into metal-to-metal composites, non-metal-to-metal composites, and non-metallic and non-metallic composites according to their composition. According to its structural characteristics, it is divided into:

Fiber composites. It is made by placing a fiber reinforcement in a matrix material. Such as fiber reinforced plastics, fiber Zhiqi Wei reinforced metals, etc.

Sandwich composites. It is composed of a combination of surface materials and core materials with different properties. Usually the surface material is strong and thin; The core material is light and has low strength, but it has a certain stiffness and thickness of the world. It is divided into two types: solid interlayer and honeycomb interlayer.

Fine-grained composites. Evenly distribute the hard fine grains.

In the matrix, search for hunger such as diffuse reinforced alloys, cermets, etc.

Hybrid composites. It is composed of two or more reinforcing phase materials mixed in one matrix phase material. Compared with ordinary single-reinforced phase composite materials, its impact strength and fatigue strength.

and significantly improved fracture toughness and special thermal expansion properties.

It is divided into intralayer hybrid, interlayer hybrid, sandwich hybrid, intra-layer interlayer hybrid and super-hybrid composite materials.

In general, the common characteristics of sole materials should be wear-resistant, water-resistant, oil-resistant, heat-resistant, pressure-resistant, impact-resistant, elastic, easy to fit the foot shape, not easy to deform after shaping, heat preservation, easy to absorb moisture, etc.

According to the different materials of shoes, the sole material is divided into: rubber sole, cow tendon sole, mille-feuille sole, foam sole, composite sole, leather sole, etc.

Advantages and disadvantages of shoe fabrics:

1. Canvas (cloth).

Advantages: Lightweight, durable, inexpensive.

Disadvantages: not easy to take care of, love dirty.

2. Cowhide advantages: cowhide shoes are relatively hard and not suitable for deformation, and cowhide shoes are also durable, and the foot feeling is relatively more comfortable. Cowhide casual shoes are simple in terms of care, and if there is dirt on the upper, you can wipe it back and forth with a shoe cloth to achieve the cleaning effect.

Disadvantages: There are pleats after wearing for a long time, and the shoes are easy to hide dust, **expensive.

3. Advantages of PU: soft and elastic, moisture resistance, dry cleaning resistance, low price.

Disadvantages: not wear-resistant, easy to break.

4. Microfiber advantages: wear-resistant, cold-resistant, breathable, age-resistant, soft texture and beautiful appearance.

Cons: Expensive.

5. Suede.

Advantages: It is more cerebral wear, and it is more fashionable, and it is cheaper.

Disadvantages: not resistant to dirt and not durable.

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The advantages of composite materials include good dimensional stability, more suitable for the foot surface, good chemical stability, light weight and high strength, corrosion resistance, acid and alkali resistance, salt spray resistance, aging resistance, impact resistance, environmental adaptability and so on. The shoes made of these composite materials are fashionable and durable, and they are more economical, and they are used in ordinary families.