A polymer melt disentanglement device

By designing a device for processing polymer materials, using the stress field of circumferential rotation, vibration or composite motion, combined with the design of multi-head threads and reverse threads, the efficient detangling of polymer melt is achieved, solving the problem of difficulty in reducing viscosity in the prior art, and significantly improving the processing performance and energy consumption of the material.

CN110815628BActive Publication Date: 2025-03-21SICHUAN UNIV
6 Cites 1 Cited by

Patent Information

Application Number
CN201911109102.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2019-09-29
Filing Date
2019-11-13
Publication Date
2025-03-21
Estimated Expiration
2039-11-13

AI Technical Summary

Technical Problem

The existing polymer material processing devices are difficult to achieve efficient detangling in the polymer melt state, resulting in difficulty in effectively reducing viscosity, limiting the material's processing performance and energy consumption.

Method used

A device including an untangled mandrel, a barrel, a heating sleeve and an online detection mechanism is designed to achieve efficient detangling of polymer melt through a stress field of circumferential rotation, circumferential vibration or composite motion combined with the design of multi-head threads and reverse threads.

Benefits of technology

The viscosity of the polymer melt is significantly reduced, the processing properties of the material is improved, energy consumption is reduced, and the surface quality and mechanical properties of the product are improved.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The present invention discloses a polymer melt disentanglement device in which a driving motor, a disentanglement mechanism, and a molding die are connected in sequence and fixedly supported by a supporting mechanism, an online detection mechanism is installed on the disentanglement mechanism and the molding die, the supporting mechanism is fixedly connected to a base, one side of the rear portion of the disentanglement mechanism is externally connected to the outlet end of an extruder, and a control system is connected to the driving motor. The present invention can gradually move away the molecular chains in the melt under a circumferential shear field or a circumferential vibration field, especially under a composite stress field of circumferential shear and circumferential vibration superposition, to achieve a high degree of disentanglement effect, which can not only solve the problems of material warping deformation and poor weld mark strength caused by the high viscosity of polymer materials, but also can greatly reduce the molding temperature while keeping the viscosity change small, thereby reducing the overall temperature difference and internal stress of the product.
Need to check novelty before this filing date? Find Prior Art