Method for production of island type composite industrial yarn

Abstract

This invention provides a production of island-type compound industrial silk. It uses polyester as island component, polyamide as sea component, the compositing proportion of the polyester and polyamide is their weight proportion, and the polyamide takes up 25-70% of the weight proportion. After the polyester with island component and polyamide with sea component are dried, then they are melted and extruded out from their own screw extrusion press, then they are computed by computing pump and then sent to the compound spinning machine, and then the integral boss type island compound spinning assembly spinning out the island type compound silk, and then the silk is made into island-type compound industrial silk through one step technology or two steps technology. The product in this invention has high intensity, better cohesive, and better fatigue resistance.

Description

technical field

[0001] The invention relates to a production method of an island-in-the-sea composite industrial yarn, in particular to a production method of an island-in-the-sea composite industrial yarn for rubber skeleton materials. Background technique

[0002] Polyamide industrial yarn has always been in the leading position in the world's rubber skeleton materials because of its high strength, good fatigue resistance and impact resistance, good heat dissipation, especially good adhesion with rubber and other excellent properties. However, polyamide industrial yarn also has disadvantages such as low modulus and dynamic modulus of elasticity, large "flat spot effect", and poor dimensional stability.

[0003] Polyester industrial yarn represented by polyethylene terephthalate has the advantages of high strength and high modulus, good dimensional stability, small "flat spot effect", good moisture resistance, low cost and abundant raw materials, etc., and has been widely u...