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Blending fire retardant -type terylene industrial filament and its manufacturing technique

A production process and flame-retardant technology, which is applied in the field of polyester industrial filaments, and can solve the problem of the blank of flame-retardant polyester industrial filaments.

Active Publication Date: 2008-09-17
ZHEJIANG UNIFULL IND FIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technical effect that makes plastic fibers resist fire better than other types of fiber material has been achieved through various techniques like adding specific chemical agents or modifying their structure during manufacturing process.

Problems solved by technology

Technological Problem: Current technical problem addressed in this patents relates to developing flam-resistant or flammable fabrics made up mostly of synthetic resin ones (SFR) without containing halogen compounds like fluorine gas. Existing solutions involve adding flame resistants onto fabric threads during manufacturing, resulting in increased costs associated with producing flameshavenueproofing agents themselves. Additionally, existing techniques involving modifying the structure of flarn reinforced plastic yarns require expensive equipment investments and may result in weakening their mechanical integrity over time.

Method used

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  • Blending fire retardant -type terylene industrial filament and its manufacturing technique

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Embodiment Construction

[0022] Embodiment of the present invention: blending flame-retardant polyester industrial filaments is obtained by blending and modifying inorganic flame retardant masterbatches, and the mass percentage distribution of flame retardant masterbatches and polyester masterbatches is as follows:

[0023] Polyethylene terephthalate 90-95%;

[0024] Inorganic flame retardant masterbatch 5.0-10.0%.

[0025] The inorganic flame retardant masterbatch contains 20%-30% of aluminum hydroxide, magnesium hydroxide or zinc borate inorganic flame retardant, and 70%-80% of polyester, calculated by mass percentage.

[0026] The production process of the described copolymerized flame-retardant polyester industrial filament includes solid phase polymerization, spinning and drawing heat setting process, such as figure 1 As shown, the specific steps are described as follows:

[0027] A. Solid-state polymerization: Feed low-viscosity polyester chips with a conventional original viscosity between 0....

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Abstract

The invention discloses a blending fireproof terylene industrial filament and the production method thereof. The blending fireproof terylene industrial filament contains a flame retardant master batch. The flame retardant master batch and a terylene master batch are prepared by the weight percentages as follows: polyethylene terephthalate 90-95% and inorganic flame retardant master batch 5.0-10.0%. The production method includes processes of solid phase polymerization, spinning, drafting shrink-setting. Through selecting reasonable blending modifier as well as reasonable technological process and technological parameter, the product of the invention has good permanent flame retardant property and keeps high strength and high modulus required by the industrial filament, thereby being widely used in preparing interior decoration materials, the paver for vehicles, cars, ships and so on, industrial hoisting, covering materials, military supplies, mine used conveying belt, etc.

Description

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Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Owner ZHEJIANG UNIFULL IND FIBER
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