Cord fabric warp yarn dipping solution and prepared cord fabric warp yarn, preparation method and application
A technology of cord fabric and dipping liquid, applied in yarn, adhesive, transportation and packaging, etc., can solve the problems of decreased adhesion and strength, increased production cost, harsh environment requirements of production workshop, etc. The effect of improving crystallinity and compact internal structure
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Embodiment 1
[0056] A warp yarn of a polyester cord fabric with high modulus and high thermal stability, the specific process steps of the preparation method are: slicing→spinning→twisting and weaving→dipping heat treatment. like figure 1 shown.
[0057] Process such as figure 2 Shown: PET chip raw material drying 1 → screw melt extrusion 2 → melt tube melt distribution 3 → spinning box insulation 4 → spinning assembly spinning 4 → slow cooler for wire insulation 5 → ring blowing to fast wire Cooling 5→oiling the surface of the wire→drawing and heat setting on the drawing screen 6→winding and forming by a high-speed winding head 7 to obtain the raw silk. The technological parameters are: spinning speed: 4800-5200 mpm; temperature of retarder: 230-360 DEG C; drawing ratio: 1.65-1.85 and intrinsic viscosity: 0.98-1.06 g / dl.
[0058] Among them, the specific steps of the dipping heat treatment process are as follows image 3 Shown: open 8 → front storage rack 9 → first bath dipping 10 → ...
Embodiment 2
[0070] A warp yarn of a polyester cord fabric with high modulus and high thermal stability, the specific process steps of the preparation method are: slicing→spinning→twisting and weaving→dipping heat treatment. like figure 1 shown.
[0071] Process such as figure 2 Shown: PET chip raw material drying 1 → screw melt extrusion 2 → melt tube melt distribution 3 → spinning box insulation 4 → spinning assembly spinning 4 → slow cooler for wire insulation 5 → ring blowing to fast wire Cooling 5→oiling the surface of the wire→drawing and heat setting on the drawing screen 6→winding and forming by a high-speed winding head 7 to obtain the raw silk. Its process parameters are shown in Table 1.
[0072] Among them, the specific steps of the dipping heat treatment process are as follows image 3 Shown: open 8 → front storage rack 9 → first bath dipping 10 → tension rack 11 → first suction 12 → first zone drying 13 → tension rack 14 → stretching 15 → tension rack 16 → second Bath d...
Embodiment 3
[0085] A high-modulus and high-thermal-stability polyester cord warp yarn, the preparation method of which is the same as that of Example 2, and the process parameters are shown in Table 1.
[0086] The properties of the warp yarns of the polyester cord fabric with high modulus and high thermal stability finally obtained are shown in Table 1.
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