DIFFERENT SHRINKAGE FLAME RETARDANT COMPOSITE YARN USING HIGH SHRINKAGE FLAME RETARDANT POLYMER AND MANUFACTURING METHOD THEREOF

Hereinafter the present invention with reference to the appended drawing that are directionally to 0.26 to explain the present invention. First, one drawing, the same components or components are the same references representing the possible negative accomplishing significantly. The present invention is connected to the described, related publicly known function or to operate with a specific description is not ambiguous subject matter of invention to omit other.

The degree to which the terms of use in specification about, substantially or the like in which the tolerance number number unique to the meanings cited in the bath and materials used for the installation be at or in close proximity to the sense numerical, to aid in the understanding of the present invention mentioned accurate absolute or regenerating the disclosure content to prevent giving an appearance using non-conscience self abuse are used.

The present invention refers to high shrinkage flame-retardant woven yarn using polymer in the invention, 5 a-10mol % terephthalic acid polymerization contrast isophthalic acid, ethylene glycol contrast it buys but adding a high shrinkage polyester using a number 1 provided 5mol % Nmm examination (100) by general polyester (Core Yarn) it buys but using number effect yarn (200) are the prepared by the number by heat treatment using the oversampling feed,

Said crystalline regions of a polyester isophthalic acid can be volume, in addition said d ethylene glycol polyester non-determining regions volume enlargement and crystalline regions can be volume, a window for inputting said effect examination (100) and a delay contraction of 10 - 20%, said examination (100) respectively 6000 ppm phosphorus-based flame retardant number wherein the same and, limiting oxygen index of not more than 30 using polymer woven flame retardant composite yarn to flame retardant high shrinkage characterized are disclosed.

Said isophthalic acid (Isophthalic acid) functions to reduce the volume of a polyester crystalline regions, percutaneous (Diethylene glycol) effect and enhance crystalline regions volume enlargement and determining regions of a GSM shrinkage.

Generally fiber forming conditions in crystal region can be divided into the amorphous region 2 phase structure. Determining repetitive and feature is arranged regularly and chains have a high strength of fiber failure, elastic, involved in heat resistance of 100.

While amorphous region is loose and disordered are provided on eight low polymer and chains may be easily deformed fibers which features and flexibility characteristics relative tipping or stretching.

The number said isophthalic acid (Isophthalic acid) and the reformed general polyester (Diethylene glycol) database adding crystalline regions to percutaneous bulked fibers in crystalline regions and the strength of the reduced flexibility and contraction properties can adjust a volume associated with a polyester fiber know improved rather than their lengths.

But, isophthalic acid 5mol % hereinafter away from the optimum number added polyester fiber in 20% shrinkage expression even crystallization stop effect inside the gun again, isophthalic acid added polymer having a melting point of 210 °C hereinafter 10mol % or more door-to number from heat resistance measured disclosed.

Said examination (100) to effect yarn (200) and flame radiation to each number in each method contains 5000-a 7000 ppm using incorporating degree.

Said phosphorus-based flame retardant comprises a phosphorus-based inhibitor ((2, 6 - di [ley neel gun [su pay [thu which will grow) resorcinol [...]) number RDXP, ADPP (roh d phenyl gun [su pay [thu which will not be), RDPP (resorcinol [...] (d phenyl gun [su pay [thu)), the use of at least one or more TPPO (tree diphenylphosphine) are disclosed.

Examination (100) and effect yarn (200) in, 6,000 ppm or more after the pin is limited oxygen index number tank 30 features expression is added to the fiber. But, flame retardant number content less than 5,000 ppm when fiber number limiting oxygen index is output from the inside of a door number after bath 30 hereinafter to flame retardant, flame retardant number content greater than or equal to 7,000 ppm when fiber number exists in the morning fair production number generated point on parking.

Said flame when limiting oxygen index (LOI) flavoring eggs are digitized by number content to a value in the range 30 - 40 degree value.

Said two examination (100) and effect yarn (200) 70 70/m/m or more in number and has a number of interlacing two interlacing of conjugate fiber of less than two interlacing when, after dyeing salt half a shrinking yarn number piece can be generated (dyeing nothing).

The present invention refers to examination (100) to effect yarn (200) in order to obtain the effect of punishment height nice effect of single examination (100) effect yarn (200) and the differences larger than 10 - 20% shrinkage degree with each other. In the case of 10% hereinafter enable the waste so that the waste by SQUIDs is ring shaped fiber yarn can be punishment height nice effect, enable a number thereof can difficult turning too strongly when incorporating 20% high pressure liquid coolant.

Essentially effect yarn (200) has a value of 5 - 10% shrinkage, high shrinkage polyester modified examination (100) has a value in the range from 20 - 25%. The examination (100) to effect yarn (200) has a ring shaped and has a 10 - 20% of the difference between the suitable punishment height nice effect yarn shrinkage value.

Figure 1 shows a standpoint of manufacturing method and Figure 2 the present invention according to the present invention according to the flame-retardant and also excellent polyester composite yarn punishment height nice excellent flame retardance and punishment height nice mimetic process polyester composite yarn are disclosed.

The standpoint of Figure 1 5 a-10mol % terephthalic acid polymerization contrast isophthalic acid, ethylene glycol 6000 ppm phosphorus-based flame retardant number 1 provided 5mol % Nmm contrast adding examination it buys but including high shrinkage polyester using a number (100) to, 6000 ppm phosphorus-based flame retardant number is contained in the effect yarn number it buys but general polyester as raw material (200) is driven for supplying class step; said effect yarn (200) to relaxation heat treatment method over feed motors through the roller contact thermal treatment steps; said contact heat treatment by a heat treatment effect yarn (200) is heat-treated heat plate a non-contact thermal treatment steps; said heat treatment effect yarn (200) examination on (100) and the total company through air-interlacing the resulting winding comprising a interlacing interlacing [...], crystalline regions can be volume of said isophthalic acid polyester, in addition said d ethylene glycol polyester non-determining regions volume enlargement and crystalline regions which is installed to the characterized using polymer woven flame retardant composite yarn manufacturing method are disclosed to high shrinkage flame.

Effect yarn (200) for flame retardant polymer by applying effect yarn (200) also 2 morning fair number such as heat roller (10) on stretching roller (Heat Roller) (70) (Draw Roller) heat plate between (30) heat shrinkage (Heat Plate) contains less than 10% while over pit (Over Feed) has excellent flame-retardant portion to ensure orientation company (Partially Oriented Yarn, POY) can be.

Over feed rate less than 5% is displayed yarn (200) 10% shrinkage of the examination expression (100) with a larger difference between bulk and soft varnish is not shrinkage (Core Yarn) number as well and poor door, 15% or more over a low feed rate when the textile fiber prepared by the number processed salt half salt moving when observing exactly relaxation swinging door number generating measured disclosed.

In addition effect yarn (200) over feed is given to relaxation heat treatment proceeds, examination (100) is the [chwi unofficial history back past the effect yarn stretching roller (200) such as interlacing (Interlace) in interlacing device followed by a substrate. Shrinking yarn interlacing morning fair number given to be sufficiently good salt moving 70/m number two interlacing expression resulting flame retardant woven can be achieved thereafter. Number less than two interlacing 70/m when the pin is in salt moving door number generated after dyeing salt half observation point. This examination (100) to effect yarn (200) of dyeable difference sufficient salt moving when not causing a well soul island by interlacing, soul island insufficient examination (100) to effect yarn (200) to be coated salt moving of dyeable projected from generating.

Hereinafter the present invention in the embodiment to explain more specifically by a less than 1000. In the embodiment of the present invention to understand the content of the present invention range in order to number only when these just is always defined in the embodiment these rights from being interpreted in the WD other.

In the embodiment 1

Examination (100) to high shrinkage flame retardant polymer number when tank, adding a phosphorus-based flame retardant number 6,300 ppm, terephthalic acid to isophthalic acid 6. Adding 0mol %, ethylene glycol added to high shrinkage flame retardant polymer after number Nmm 3mol % for high pressure liquid coolant, radial velocity 1, 200m/min, 3 non-stretching. 33 (Core Yarn) number was a 50 denier/24fila examination by imparting a high pressure liquid coolant.

Effect yarn (200) when the flame retardant polymer number tank, phosphorus-based flame retardant number by adding a flame retardant polymer 6,300 ppm (POY) part number number radial velocity after 2, 850m/min or elixirs orientation company high pressure liquid coolant to a high pressure liquid coolant 120 denier/72fila his number.

Shrinking yarn number in bath, examination (100) and is the [chwi unofficial history back, effect yarn (200) 200 °C heat treatment temperature, heat treatment from relaxing over feed 9% embodiment and stretched to roller (70) past examination such as interlacing pressure 3 (Draw Roller), 5 kgf/cm2 resulting flame retardant woven by imparting a high pressure liquid coolant to interlacing his number.

In the embodiment 2

Effect yarn feed rate to be set to number the number to a low 5% relaxation over the same method in the embodiment 1 and the resulting flame retardant woven [...] produced therewith number was high pressure liquid coolant.

Comparison example 1

High shrinkage flame retardant polymer and flame retardant polymer number morning fair, flame retardant number the same method in the embodiment 1 to 5,000 ppm a number added thereto and resulting flame retardant woven [...] number was high pressure liquid coolant.

Comparison example 2

A low relaxation effect yarn feed rate to be set to 0% in the embodiment 1 to number the number over the same method and the resulting flame retardant woven [...] produced therewith number was high pressure liquid coolant.

Comparison example 3

High shrinkage flame retardant polymer number morning fair, terephthalic acid to isophthalic acid 3. The same method in the embodiment 1 number [...] 0mol % added thereto and the resulting flame retardant woven number was high pressure liquid coolant.

Comparison example 4

A low relaxation effect yarn feed rate to be set to 15% over the same method in the embodiment 1 and the resulting flame retardant woven [...] to prepared by the number number number was high pressure liquid coolant.

Comparison example 5

Woven flame retardant composite yarn number interlacing pressure in tank 2. The same method in the embodiment 1 to be applied to a number in the range of 0.1 [...] 0 kgf/cm2 and the resulting flame retardant woven number was high pressure liquid coolant.

◎ shrinkage

(Boiling Water Shrinkage, BWS) - 100 °C 30 minutes under examination and effect yarn comprises dipping a nonaqueous shrinkage is unitarily as being below a normal ratio of its original length when measured length

L0: sample yarn of initial length

L1: sample yarn of reduced length 100 °C 30 minutes after immersion

Shrinkage (BWS)=(L0 - L1)/L0 * 100

Breaking ◎ dihydrate (Δ BWS)

Breaking - dihydrate: BWS BWS effect yarn (Effect Yarn) examination (Core Yarn)

Be ◎ interlacing

The resulting flame retardant woven 1m employing several recognition per lock amity - number produced therewith

◎ flame retardant

KS M ISO 4589 - number limiting oxygen index (LOI) based on evaluation method number piece incorporating flame retardant woven produced therewith after analysis

Salt half ◎

(Dyeing nothing) salt half number after dyeing piece incorporating flame retardant woven prepared by the - number visual observation

◎ punishment height nice (Bulkiness)

Process for measuring the thickness of an after dyeing piece incorporating flame retardant woven prepared by the - number number number

Thickness 100 μm or more: good bulk

Less than 100 μm thickness: bulk defect

The results of the table 1, the number of anti-fire is 6,300 ppm content in the embodiment, flame retardant polymer prepared by the number 34 (LOI) level is good flame retardant woven limiting oxygen index of knitting yarn number, number less than 6,000 ppm content of comparison example 1 reliability and flame retardant while can be known.

Comparison example 2 is woven flame retardant polymer when tank number, less than 5% relaxation effect yarn feed rate value of effective yarn shrinkage when heat over 0 18% 4% difference (Core Yarn) examination on high shrinkage is formed not to know a greater punishment height nice can be poor.

Comparison example 3 number when the high shrinkage flame retardant polymer bath, isophthalic acid is represented less than 20% shrinkage when 6mol % made less than 3% (core Yarn) examination prepared by the number of polymer are formed, with a larger difference between the shrinkage effect yarn not know punishment height nice can be poor.

Comparison example 4 is woven flame retardant polymer number when tank, when 15% or more over feed rate when effect yarn relaxation heat treatment, textile unstable shrinking yarn after dyeing salt half a number piece is relaxed during a heat treatment (dyeing nothing) occurs can be know.

In addition 5 comparison example even shrinking yarn when tank number, number less than 70/m when two interlacing, shrinking yarn after dyeing salt half a number piece (dyeing nothing) occurs can be know.

The present invention refers to the aforementioned in the embodiment and attached drawing than limited by not, within a range that the technical idea of the present invention from a heavy various substituted, deformation and change it is apparent that the present invention belongs to vertical in the art in person with skill in the art will.