2014年4月9日星期三

Chlorinated polyethylene mini hdmi cable cable technology features

(A) mixing a chlorinated polyethylene main chain contain a double bond, the main chain is not easy to cut the plastic mechanical virtually no effect on Mooney viscosity, so no mastication. 2, CPE plastic suitable for both open mill mixing, kneading and suitable mixer. Before using the open mill mixing, because CPE is powdery, need to first CPE at 70 ℃ to 90 ℃ on the WISDOM fiber optic connectors  mill through thin plastic Tempered translucent, then kneaded. CPE rubber kneading with mixer, mix the temperature should be controlled in the range of 130 ℃ ~ 150 ℃ appropriate. If the peroxide was added directly to the mixer and kneaded in the mixer to control the temperature peroxide "from" sulfur temperature. In addition, CPE rubber mixing with the mixer, the glue should be enough installed capacity, mini hdmi cable should WISDOM cat5e keystone jack  generally be above 95%. (B) extruding CPE good scorch resistance, smooth surface can be extruded cable products. Extruder screw length of less than 12, the extrusion quite difficult. Hot feed extruder, to improve the surface quality of the cable. When the aspect ratio is greater than 12, the cold extrusion, hot extrusion agent can smooth surface cable. Since CPE CR mobility better than good, plastic is not easy, so when extrusion, body  scart cable temperature was controlled at 75 ℃ ~ 85 ℃ in terms of extrusion temperature; mini hdmi cable head temperature controlled at 85 ℃ ~ 95 ℃ appropriate. (C) curing CPE applies to pipes continuous vulcanization. To ensure the productivity, it is necessary to raise the temperature of curing, generally at a steam pressure of 1.2 ~ 2.0MPa continuous vulcanization. The temperature is too low, the amount of the curing system or water cooling or water cooling section short segments, easy to produce bubbles. In addition, CPE are heat-sensitive materials, extrusion and vulcanization stage should be to control the temperature, high temperature, easy to produce pores.

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