Production process for producing differentiated polyester staple fibers by using PET plastic bottle sheets
A polyester staple fiber and production process technology, which is applied in the field of differential polyester staple fiber production technology, can solve the problems of poor short fiber resilience, slow natural degradation of plastics, unfavorable short fiber clothing market reputation, etc., to avoid pollution and waste. , the effect of long service life
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[0022] The production process of utilizing PET plastic bottle flakes to produce differentiated polyester staple fibers related to the present invention, the production process comprises the following steps:
[0023] a. Bottle flake pretreatment: first clean the bottle flake raw material, then dry it with a dryer, and then color match and mix the clean bottle flakes as required. It is used in the production of fabrics or home textiles and their fillings When the short fiber is used, the blue and white clean bottle flakes are mixed, and the blue clean bottle flakes account for 15% to 20% by weight. When producing short fibers used in toy fillings, other colors of clean bottles are used. Tablet mixing ratio;
[0024] b. Spinning bottle flakes: first dry the clean bottle flakes with a good ratio. The working temperature of the extruder is 280-300 degrees Celsius;
[0025] c. Winding into barrel: spray oil on the extruded tow, and then wind the tow after oil injection. The speed ...
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