mesh spunlace nonwoven Principle of textile
There are many types of non-woven fabrics, the exact name of non-woven fabrics should be non-woven, or non-woven. Because it is a fabric does not require the formation of woven fabrics, but the textile staple fiber or filament orientation or random support, the formation of fiber structure, and then use mechanical, thermal or chemical methods such as reinforcement. Nonwovens break through the traditional textile principle, and has a short process flow, production speed, high yield, low cost, wide use, raw materials and more features. What are the types of non-woven fabrics? In the case of
First, Spunlaced nonwovens
Spunlace technology is to spray high-pressure fine water flow to one or more layers of fiber network, so that the fibers tangled together, so that the network can be reinforced with a certain strength.
Spunlaced nonwovens and other dry nonwovens process similar to the need to go through the preparation of raw materials, open mix, combing into a network (or airlaid or cross-folding network), spunlace reinforcement, finishing, Drying, coiling, finished cutting test and packaging storage. Spunlaced cloth into the network can be dry into a network, it can be wet into the network, or even melt spinning method step by step.
Common spunlace process: fiber measurement --- open mix --- combing into the network - the front and back of the network water spit tangent (need strict water treatment) --- drying --- coiling The
Spunlaced nonwoven principle: The web is conveyed by a conveyor curtain or metal mesh and pre-wetted and pre-sprayed by a pre-wetting device (roller or curtain) and then into the spunlace area. A number of spunlace device injection of ultra-fine high-pressure water jet, the surface of the fiber due to a strong impact and vertical into the fiber network, and because the conveyor has a three-dimensional structure, the water flow through the net, the impact on the net curtain, And reflected back at different angles to form a reverse impact on the fiber, so that the fibers have different directions of displacement, so that the fibers in the fiber network tangled and closely together to form a certain strength of the wet non-woven fabrics. The water after the secondary reflection is reduced by the spatula and the vacuum suction box under the net curtain, and then treated by the filter circulation system and then reused. The wet nonwoven fabric is vacuumed into the drying device after vacuum dehydration Dry after the cloth.
Spunlaced cloth is the use of high-pressure water jet paved fiber fibers formed after the entanglement.
The fibers are groomed through the carding machine and then laid through the paving machine on the conveyor line, and finally formed by entangling the fibers with high pressure water jet. After molding, but also through the high temperature dryer finally rolled into sprinkle cloth roll.
Hangzhou Guozhen Industrial Co., Ltd.
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