CN105239205A - Preparation method of novel conductive terylene composite short fiber - Google Patents
Preparation method of novel conductive terylene composite short fiber Download PDFInfo
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- CN105239205A CN105239205A CN201510738032.6A CN201510738032A CN105239205A CN 105239205 A CN105239205 A CN 105239205A CN 201510738032 A CN201510738032 A CN 201510738032A CN 105239205 A CN105239205 A CN 105239205A
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Abstract
The invention discloses a preparation method of novel conductive terylene composite short fiber. The method comprises steps of: preparing conductive masterbatch, mixing the conductive masterbatch and low viscosity PET by the ratio of 2:7 and drying to reach moisture content of below 80 PPM, wherein the low viscosity PET has viscosity of 0.5dl / g and melting point at 250 DEG C; individually drying an ordinary PET as an inner core, controlling the water content at 50 PP; and spinning in accordance with a sheath to core ratio of 20:80 to prepare the conductive fiber. The key innovation of the invention is that through the control of specific size and ratio, the nanometer tourmaline powder and talcum powder are innovatively added in the conductive masterbatch, so as to greatly reduce the amount of conductive masterbatch and reduce costs; and the prepared conductive fiber has good conductive properties, and resistance ratio of lower than 1.5*10<3>(ohm*cm). In addition, the novel conductive terylene composite short fiber has good spinnability.
Description
Technical field
The present invention relates to a kind of novel conductive terylene composite short fiber, belong to textile technology field.
Background technology
Polyethylene (PE) is a kind of Heat shrinkable polymers with simple chemical constitution, is formed by vinyl polymerization.Hp-ldpe (LDPE) and low-pressure high-density polyethylene (HDPE) two class is divided into by its different manufacture method.Low-pressure high-density polyethylene imports DIESELOIL under the condition of deaeration and humidity, with triethyl aluminum and titanium chloride for catalyst, be polymerized under the reaction temperature of 20 ~ 70 DEG C, almost unbranched, degree of crystallinity is high, density large (0.94 ~ 0.95g/cm3), so be called high density polyethylene (HDPE).Poly characteristic depends primarily on side chain number and molecular weight.The fewer degree of crystallinity of side chain number is higher, and the larger feel of density is harder, its solvent resistance and water-wash resistance better, molecular weight determines melt viscosity extremely melt flow index.Molecular weight is high, and melt index is just high, and clinkering and bonding are just easily.HDPE fusing point 125 ~ 135 DEG C, melt index 10 ~ 20g/min; LDPE fusing point 90 ~ 110 DEG C, melt index 70 ~ 150g/min.So the tack temperature of high density polyethylene (HDPE) and pressure higher than low density polyethylene (LDPE), but it has good washability.Low density polyethylene (LDPE) due to washability poor, but elasticity, feel are better.
In civilian, electrostatic can cause dust suction in the use procedure of textiles to be stain, and clothes tangle human body and produce adhesion sense of discomfort, and electrostatic stimulation can have a negative impact to health.In industry application aspect, the industries such as electrostatic is firer, chemical industry, oil, coal cause one of main predisposing factors of the accident such as fire, blast, are also one of quality and safety hazards in chemical fibre, textile industry.Along with high-tech development, the consequence that electrostatic causes has breached the boundary of safety problem.Therefore the demand of antistatic textile is increasing at present, requires also more and more higher.
Current conductive fiber mainly adds conductive agglomerate or conductive black in spinning material, carries out co-blended spinning, and in order to reach certain electric conductivity, addition is comparatively large, causes difficulty in spinning.Smooth in order to spinning, must reduce addition, the electric conductivity of such fiber just cannot reach requirement.The mode that patent discloses in addition by adding core-skin mixing obtains conductive fiber, but same conduction cortex will reach 30% just good electric conductivity.
The present invention aims to provide a kind of novel conductive terylene composite short fiber, and by optimization of C/C composites and technique, in obtained conduction cortex, the consumption of conductive agglomerate only needs 20%, and in addition, the cost of cortex is cheaper, and made conductive fiber electric conductivity is better.
Summary of the invention
Based on the technical problem that background technology exists, the present invention is directed to the spinning pattern of current conductive fiber and the low shortcoming of electric conductivity, provide a kind of novel conductive terylene composite short fiber, by optimization of C/C composites and technique, in obtained conduction cortex, conductive agglomerate consumption only needs 20%, in addition, the cost of cortex is cheaper, and made conductive fiber electric conductivity is better.
Technical scheme of the present invention is as follows:
The present invention adopts core-sheath composite structure spinning, and press 20:80 mixing as cortex with conductive agglomerate provided by the invention and PET, pet is as sandwich layer spinning, and such conductive layer covers in fiber surface completely, has a good electric conductivity.
The preparation method of novel conductive terylene composite short fiber of the present invention is that its step is as follows:
(1) conductive agglomerate is prepared:
The raw material in conductive powder body is equipped with according to following weight fraction:
Particle diameter is conductive black 50-55 part of 2 μm;
Particle diameter is 1 μm of germanium alloy particle 10-11 part;
Particle diameter is 2 μm of germanium alloy particles 2 parts;
Particle diameter is 3 μm of copper alloy particle 18-20 parts;
Particle diameter is tourmaline powder 0.5-0.6 part of 2 nanometers;
Particle diameter is the talcum powder 0.1 part of 5 nanometers;
Titanate esters CT-9282 part;
Tissuemat E 20005 parts;
By above-mentioned raw materials Homogeneous phase mixing together;
(2) cortex is made: conductive agglomerate and low sticky PET are carried out drying in the mixing of 2:7 ratio, makes its moisture content lower than 80PPM.
Described low sticky PET, viscosity is 0.5dl/g, and fusing point is at 250 DEG C;
(3) common PET is carried out drying, containing water management at 45PPM, as inner core, carry out spinning according to core/sheath ratio 20:70, be prepared into conductive fiber.
Crucial innovation of the present invention is by controlling specific particle diameter and proportioning, that more innovates adds nano-tourmaline powder and talcum powder in conductive agglomerate raw material, thus significantly reduction conductive agglomerate consumption can be reached, reduce costs, and made conductive fiber electric conductivity is better.
Usefulness of the present invention is:
Crucial innovation of the present invention is by controlling specific particle diameter and proportioning, that more innovates adds nano-tourmaline powder and talcum powder in conductive agglomerate raw material, thus significantly reduction conductive agglomerate consumption can be reached, reduce costs, and made conductive fiber electric conductivity is better.Can 1.5 × 10 be reached than leading resistance
3(Europe * cm) below.In addition, spinnability is also fine.
Detailed description of the invention
Embodiment 1:
The preparation method of conductive terylene composite short fiber is that its step is as follows:
(1) conductive agglomerate is prepared:
The raw material in conductive powder body is equipped with according to following weight fraction:
Particle diameter is the conductive black 50 parts of 2 μm;
Particle diameter is 1 μm of germanium alloy particle 11 parts;
Particle diameter is 2 μm of germanium alloy particles 2 parts;
Particle diameter is 3 μm of copper alloy particles 18 parts;
Particle diameter is the tourmaline powder 0.6 part of 2 nanometers;
Particle diameter is the talcum powder 0.1 part of 5 nanometers;
Titanate esters CT-9282 part;
Tissuemat E 20005 parts;
By above-mentioned raw materials Homogeneous phase mixing together;
(2) cortex is made: conductive agglomerate and low sticky PET are carried out drying in the mixing of 2:7 ratio, makes its moisture content lower than 80PPM.
Described low sticky PET, viscosity is 0.5dl/g, and fusing point is at 250 DEG C;
(3) common PET is carried out drying, containing water management at 45PPM, as inner core, carry out spinning according to core/sheath ratio 20:70, be prepared into conductive fiber.
Embodiment 2:
The preparation method of conductive terylene composite short fiber is that its step is as follows:
(1) conductive agglomerate is prepared:
The raw material in conductive powder body is equipped with according to following weight fraction:
Particle diameter is the conductive black 55 parts of 2 μm;
Particle diameter is 1 μm of germanium alloy particle 10 parts;
Particle diameter is 2 μm of germanium alloy particles 2 parts;
Particle diameter is 3 μm of copper alloy particles 20 parts;
Particle diameter is the tourmaline powder 0.5 part of 2 nanometers;
Particle diameter is the talcum powder 0.1 part of 5 nanometers;
Titanate esters CT-9282 part;
Tissuemat E 20005 parts;
By above-mentioned raw materials Homogeneous phase mixing together;
(2) cortex is made: conductive agglomerate and low sticky PET are carried out drying in the mixing of 2:7 ratio, makes its moisture content lower than 80PPM.
Described low sticky PET, viscosity is 0.5dl/g, and fusing point is at 250 DEG C;
(3) common PET is carried out drying, containing water management at 45PPM, as inner core, carry out spinning according to core/sheath ratio 20:70, be prepared into conductive fiber.
Embodiment 3:
The preparation method of conductive terylene composite short fiber is that its step is as follows:
(1) conductive agglomerate is prepared:
The raw material in conductive powder body is equipped with according to following weight fraction:
Particle diameter is the conductive black 51 parts of 2 μm;
Particle diameter is 1 μm of germanium alloy particle 11 parts;
Particle diameter is 2 μm of germanium alloy particles 2 parts;
Particle diameter is 3 μm of copper alloy particles 19 parts;
Particle diameter is the tourmaline powder 0.6 part of 2 nanometers;
Particle diameter is the talcum powder 0.1 part of 5 nanometers;
Titanate esters CT-9282 part;
Tissuemat E 20005 parts;
By above-mentioned raw materials Homogeneous phase mixing together;
(2) cortex is made: conductive agglomerate and low sticky PET are carried out drying in the mixing of 2:7 ratio, makes its moisture content lower than 80PPM.
Described low sticky PET, viscosity is 0.5dl/g, and fusing point is at 250 DEG C;
(3) common PET is carried out drying, containing water management at 45PPM, as inner core, carry out spinning according to core/sheath ratio 20:70, be prepared into conductive fiber.
Embodiment 4:
The preparation method of conductive terylene composite short fiber is that its step is as follows:
(1) conductive agglomerate is prepared:
The raw material in conductive powder body is equipped with according to following weight fraction:
Particle diameter is the conductive black 54 parts of 2 μm;
Particle diameter is 1 μm of germanium alloy particle 10 parts;
Particle diameter is 2 μm of germanium alloy particles 2 parts;
Particle diameter is 3 μm of copper alloy particles 20 parts;
Particle diameter is the tourmaline powder 0.5 part of 2 nanometers;
Particle diameter is the talcum powder 0.1 part of 5 nanometers;
Titanate esters CT-9282 part;
Tissuemat E 20005 parts;
By above-mentioned raw materials Homogeneous phase mixing together;
(2) cortex is made: conductive agglomerate and low sticky PET are carried out drying in the mixing of 2:7 ratio, makes its moisture content lower than 80PPM.
Described low sticky PET, viscosity is 0.5dl/g, and fusing point is at 250 DEG C;
(3) common PET is carried out drying, containing water management at 45PPM, as inner core, carry out spinning according to core/sheath ratio 20:70, be prepared into conductive fiber.
Table 1 is for detect to the conductive fiber that embodiment 1-4 prepares the result obtained.
The performance measurement of table 1 conductive fiber
This detects data only for above-mentioned detection sample.
Can see that from experimental data conductive fiber provided by the invention has good electric conductivity.Can 1.5 × 10 be reached than leading resistance
3(Europe * cm) below; And conductive fiber intensity is high, durability obtains also very high, and is easy to weaving.Further, the conductive fiber electric conductivity that the formula rate of embodiment 1 obtains is especially good, reaches 1.1 × 10 than leading resistance
3(Europe * cm).
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. the preparation method of a conductive terylene composite short fiber is that its step is as follows:
(1) conductive agglomerate is prepared:
The raw material in conductive powder body is equipped with according to following weight fraction:
Particle diameter is conductive black 50-55 part of 2 μm;
Particle diameter is 1 μm of germanium alloy particle 10-11 part;
Particle diameter is 2 μm of germanium alloy particles 2 parts;
Particle diameter is 3 μm of copper alloy particle 18-20 parts;
Particle diameter is tourmaline powder 0.5-0.6 part of 2 nanometers;
Particle diameter is the talcum powder 0.1 part of 5 nanometers;
Titanate esters CT-9282 part;
Tissuemat E 20005 parts;
By above-mentioned raw materials Homogeneous phase mixing together;
(2) cortex is made: conductive agglomerate and low sticky PET are carried out drying in the mixing of 2:7 ratio, makes its moisture content lower than 80PPM;
(3) common PET is carried out drying, containing water management at 45PPM, as inner core, carry out spinning according to core/sheath ratio 20:70, be prepared into conductive fiber.
2. the preparation method of conductive terylene composite short fiber as claimed in claim 1, is characterized in that: each described low sticky PET, viscosity is 0.5dl/g, and fusing point is at 250 DEG C.
3. the conductive terylene composite short fiber that the preparation method described in claim 1-2 prepares.
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| CN201510738032.6A CN105239205A (en) | 2015-11-03 | 2015-11-03 | Preparation method of novel conductive terylene composite short fiber |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201545980U (en) * | 2009-07-09 | 2010-08-11 | 凯翔科技有限公司 | Germanium alloy yarn |
| CN103046160A (en) * | 2012-11-26 | 2013-04-17 | 浙江理工大学 | Manufacturing method of negative oxygen ion polyester expanded filament |
| CN104233503A (en) * | 2014-08-21 | 2014-12-24 | 湖州通益环保纤维股份有限公司 | High-conductivity polyester composite short fiber |
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- 2015-11-03 CN CN201510738032.6A patent/CN105239205A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201545980U (en) * | 2009-07-09 | 2010-08-11 | 凯翔科技有限公司 | Germanium alloy yarn |
| CN103046160A (en) * | 2012-11-26 | 2013-04-17 | 浙江理工大学 | Manufacturing method of negative oxygen ion polyester expanded filament |
| CN104233503A (en) * | 2014-08-21 | 2014-12-24 | 湖州通益环保纤维股份有限公司 | High-conductivity polyester composite short fiber |
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Application publication date: 20160113 |