A New Patent For The Production Method Of Shandong Island'S Melt Blending Sea Island Fiber
It is reported that the invention patent of Shandong Tonghai island new material Limited by Share Ltd (hereinafter referred to as "Shandong Tongda"), "a fusion blend island fiber and its production method", was adopted by People's Republic of China state in September 28th.
knowledge
The property rights bureau has granted the patent right and issued a patent certificate, the patent number is ZL200910016465.5, and the duration of patent right is 20 years.
In recent years, the production of PA6/ low-density polyethylene blended sea island fiber has been emerging continuously. With the rising price of chemical products, its profit margins have been shrinking again and again.
In this case, Shandong PET/ developed LDPE blended polyester island fiber, which not only reduced the production cost, but also solved the problems such as light stability, resistance to stain and wear resistance of nylon superfine fiber.
But at present, the product still has defects in the production process: PET is rigid and curly difficult, the softening point temperature difference of the two materials is large, the heat setting temperature is very difficult to control, and the fiber shape of the product is poor.
The invention patent is a melting and blending island.
fibre
And its production method, in which the composition of the island is polyethylene terephthalate two ester, the composition of the sea is low density polyethylene, its production method is the polyethylene terephthalate two ester slices in special drying.
Technology
Under the conditions of drying, and then mixed with low density polyethylene in a certain proportion, through the screw extrusion, cooling blow, seven roller drafting, crimping, cutting and other processes to produce island composite fibers.
The fiber produced by the above method has excellent tensile recovery, and has the softness of nylon, the fluffiness of acrylic fiber and the antifouling property of polyester. It can make the products made of veneer microfiber synthetic leather have excellent deformation recovery, and the suede microfiber synthetic leather series has good color fastness and soft handle. It is a new type of super fine fiber with excellent performance, which can meet the market demand for new materials, and has huge economic and social benefits.
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