THERMOPLASTIC CELLULOSE ESTER YARN, AND METHOD OF MANUFACTURING THEREOF

Hereinafter the present invention make on.

To improve the spinnability possessed by melt of the present invention specific pulp synthesis from a cellulose-based resin using tree structure of reed-Solomon relates to thermoplastic cellulose ester yarn.

In the present invention, the cellulose said synthetic [...] a having specific properties is efficacy as an anti-substrated, said pulp to the equation 1 and equation 2 on the pulp, preferably a 2-1 equation and equation 1-1 on the, use can be made of, pulp.

[Equation 1]

95.0% ≤ A ≤ 99.5 weight % weight

[Equation 1-1]

97.5% ≤ A ≤ 99.0 weight % weight

1-1 in said equation 1 and equation, the 10% volume A concentration of NaOH aqueous solution of pulp weight average molecular weight 10,000 g/mol hereinafter, preferably 8,000 g/mol hereinafter 25 °C 1 time of pulp in mixing and dissolving the residue in a determined weight of (residue) is % NaOH aqueous solution.

[Equation 2]

0.5% ≤ B ≤ 3.5%

[Equation 2-1]

1.0% ≤ B ≤ 2.5%

2-1 in said equation 2 and equation, the B 18 volume % concentration of NaOH aqueous solution of pulp weight average molecular weight 10,000 g/mol hereinafter, preferably 8,000 g/mol hereinafter 25 °C pulp of 1 in the mixing and time a determined weight of NaOH (soluble substance) dissolved components in at least one of the one is %.

And, the cellulose said and 2.0-2.8 substitution degree of not of the hydroxyl groups of the cellulose, preferably substitution degree of not is 2.2-2.7, more preferably substitution degree of not can be 2.3-2.5. Wherein, said cellulose-based resin substituted column, cellulose having a hydroxyl group at are substituted with ester bond speak the extent to which no cellulose-based resin substitution degree of not less than 2.0 when, guarantees the fluidity of molecules in melting away melt processable and which can be lowered, as well as a decrease in biodegradable exceeds a 2.8 as well as, in a logic high level signal provided from the hydrocarbon which quenches the cellulose-based resin radiator can generate a.

And, said cellulose resin a cellulose acetate, cellulose acetate propionate, cellulose acetate butyl rate, cellulose acetate phthalate, cellulose [...], texture without making the content be constricted cellulose acetate, cellulose [...], cellulose [...], cellulose [...] and cellulose [...] selected from at least one one or 1 can include a 2, preferably cellulose acetate, cellulose acetate propionate, cellulose acetate butyl rate, cellulose acetate isophthalate and cellulose [...] one or selected from 2 1 may include at least one, more preferably cellulose acetate, cellulose acetate propionate and cellulose acetate butyl selected from at least one one or 1 may include a 2.

Furthermore, in the present invention, said cellulose-based resin has a weight average molecular weight of 35,000-55,000 provided that the, preferably weight average molecular weight 35,000-45,000 employed because, the, weight average molecular weight of 35,000 if less than cellulose main chain length is shortened a yarn decreasing mechanical properties can be problem, weight average molecular weight of 55,000 easy penetration plasticizer exceeds a returned to the above stage guarantees the fluidity of molecules cellulose upon processing melt extrusion, there is the problem that the reduced said in a range having a weight-average molecular weight preferably it of using.

And, in the present invention using a cellulose the % and a melting temperature of 230 °C -250 °C and, a glass transition temperature of 185 °C -195 °C, preferably 187 °C -192 °C in bar, having excellent heat resistance. radiation melt under hot.

Furthermore, in the present invention the a cellulose using the moisture content is 2-4% weight during total weight resin, preferably 2.5-3.5 weight % comprises.

Furthermore, in the present invention using the a cellulose based on as measured ASTM D1343, and 100-130 poise viscosity, preferably 105-120 poise, more preferably is 110-120 poise. Existing for melt spinning of cellulose-based resin viscosity is 10-60 poise but, a cellulose synthesized from pulp specific of the present invention the 100-130 poise having bar, spinnability possessed by hot melt at high temperature can be both ends of the tube are opened.

Furthermore, in the present invention using the a cellulose based on the standard Pt-Co CAB mounted around the master ball to measure the time of the solution, color (color) is 220-350 PPM and, preferably 250-320 PPM, has more preferably 270-310 PPM. Furthermore, the cellulose said based on as measured ASTM D871, haze (Haze) is 35 PPM -50 PPM and, preferably 35 PPM -45 PPM, more preferably 37 PPM -45 PPM a, other cellulosic derivatives. a functional excellent purity.

Furthermore, in the present invention using bulk density (tapped bulk density) is cellulose-based resin selectively injects 410 kg/m³ -450 kg/m³ and, preferably 410 kg/m³ -440 kg/m³ is, more preferably 420 kg/m³ -438 kg/m³ has. And, the cellulose said poured bulk density (poured bulk density) is 300 kg/m³ -340 kg/m³ and, preferably 310 kg/m³ -330 kg/m³ may.

The case of having a fineness of the yarn of cellulose ester thermoplastic the thus produced planar metallised textile structure KS K ISO 2060 method based on as measured, which may be 30-200 denier (denier), preferably 70-150 denier may [...]. And, said thermoplastic cellulose ester the yarn of KS K 0412 method based on as measured, 0.5-2.0 g/de strength, preferably 0.6-1.8 g/de strength, more preferably 0.7-1.5 g/de strength can be. Furthermore, an elongation 20% or more, preferably elongation at of 20% - 35%, more preferably 22% - 32% elongation of very high. is capable of having.

In a hereinafter for mooring having cellulose ester thermoplastic of the present invention relates to manufacturing method.

Molten yarn cellulose ester thermoplastic of the present invention step of manufacturing a cellulose ester resin; said is closed after charging kneaded molten cellulose ester resin, cellulose ester molten compose the preparation of the chip; and said melt cellulose ester chip 20-30 under 70 °C -90 °C drying the time; and said drying melt cellulose ester chip through the melt spun the Spinnerret; including process are performed in one process chamber a can be produced.

Said melt cellulose ester resin and applying of steps, which melt cellulose ester resin cellulose-based resin, plasticizer number, radical creation retarder and includes active retarder.

Said melt cellulose ester resin cellulose-based resin described above and equal to.

And, one resin component cellulose ester melt said cellulose-based resin plasticizer present cellulose resin mixed with added carbon film, and a strong due hydroxide hydrogen interfere with the binding high melt can emit in the if to special limitation cannot, more preferably plasticizing is promoted under 350-750 can be provided that the weight average molecular weight, preferably 400-650 preferably a employed. The, weight average molecular weight of plasticizer less than 350 outside resin a plasticizer upon radiation of melting when the eluted can be the problem, weight average molecular weight of 750 easy penetration diarylethene main cellulose exceeds a plasticizer returned to the above stage problem with reduction of efficiency may be proposed.

Such, number as dimethyl phthalate plasticizer, [...], [...], [...], [...], ethyl [...], such as butyl [...] of phthalic esters; tetra [...], such as an aromatic polybasic carboxylic [...][...] tree; [...], [...], d butyl three Kate, [...], [...], [...], such as an aromatic polybasic carboxylic [...][...] ; glycerin tree acetate, d glycerin tetra acetate, purifying fluoroethanes lower of polyhydric alcohols, such as fatty acid ester current; [...] tree, tree [...], [...] tree, tree [...] phosphate ester such as; polyethylene glycol, polypropylene glycol, polyethylene adipate, poly [...], polyethylene succinate, poly [...] consisting dibasis acids glycol and such as an aliphatic polyester current; purifying fluoroethanes consisting acid such as an aliphatic polyester current; polycaprolactone, poly propionate lactone, bipolar [...] tone consisting lactone such as an aliphatic polyester current; current vinyl polymers such as poly vinyl blood Raleigh it went round and ; tree butyl three Kate ; triacetin ; and tri-ethyl citrate; selected from at least one one or 1 may include a 2. And, more preferably polyethylene glycol, polypropylene glycol, purifying fluoroethanes, poly [...], glycerin, tree butyl three Kate, triacetin and, tri-ethyl citrate selected from one or 1, use can be made of, at least one 2.

And, the amount of plasticizer said cellulose-based resin 100 parts by weight, 20-45 parts by weight of, preferably 22-40 parts by weight, more preferably 25-35 which are used in parts by weight, less than 20 parts by weight is sufficiently plasticizing for coating having improved flexibility cellulose in use fuel flowing out by passing through an ten processing can, capsular polysaccharide may be, using beyond the 45 parts by weight of an engineered oelum upon radiation of melting when can be along of, fibers of a plasticized too of the foot spot welder mechanical properties, the melt spinning molten emission surface bleeding out plasticizer is the clamping circuit performs the clamping when (breed-out) may be proposed.

Furthermore, said melt cellulose ester resin includes a radical creation retarderactive retarder and, when ten calcinations said radical creation retarder cellulosic resin or plasticized cellulosic resin, followed by chip-like elemental thermister before spinning same at the time of melting, for preventing the degradation by the back light unit to the serving for, tether is? Does produced in a radical to restrain generation by the plurality, the that can emit purpose: a high temperature, molten emission having excellent physical properties and is. can be provided. Said radical creation retarder cellulose resin and the plasticizer agent engine is provided to effectively mix liquid, solid may be in the form, preferably including phenol group which may be insoluble compound, such as, more preferably tetrakis methylene (3,5-di-t-butyl-4-hydroxy hermetically sealed by heat-sealing a carbamate) methane, a pentaerythritol tetrakis (3 - (3,5-di-t-butyl-4- roll hour phenyl hydrate) propionate and tetrakis methylene (3,5-di-t-butyl-4-hydroxyphenyl) propionate methane selected from may be used in at least one 1, in set specifically, Anox 20 (Chemtura Co.), Songnox1010 Iganox 1010 (Ciba Specialty Chemicals, Inc.) and (SongwonIndustrial Co. , Ltd.) at least one selected from, use can be made of, 1.

And, said radical creation retarder the amount of said cellulose resin 100 parts by weight may be used in parts by weight of 0.01-1.5, preferably 0.05-1.0 parts by weight can be used and, if less than 0.01 parts by weight when composition supports the blocking protection for the pyrolysis of cellulose resin in melting the ten calcinations or radiation can be pyrolysis is cellulose resin in, 1.5 parts by weight of being caused by a particular fault of of a rise in pressure pack exceeds the resulting in the problem identified workability may be proposed.

In the present invention, said melt cellulose ester resin as well as a radical creation retarder, by connected between an input and output node drawing inhibition activity of radical, lower lets a tire emission excellent melt properties, i.e. may provide a yarn. Grey yarn electrospun melt creation retarder radical in the present invention contained in air by circulation of absorption that prevents oxidation has taken place in serve to, cellulose microbial polyglucosamine biopolymer are broken produced in a radical to restrain generation and serves to direct. Said radical active retarder cellulose resin and the plasticizer agent engine is provided to effectively mix liquid, solid may be in the form, preferably insoluble a phosphorous bearing element end may be used in compound, more preferably tris (2,4-di-t-butyl phenyl) tris-phosphites and [...] and triphenyl phosphite selected from may be used in at least one 1, in set specifically, Alkanox 240 (Chemtura Co.), (Ciba Specialty Chemicals, Inc.) Igafos 168, Songnox 1680 (Songwon Industrial Co. , Ltd) at least one selected from, use can be made of, 1.

And, radical active retarder the amount of said cellulose-based resin 100 parts by weight may be used in parts by weight of 0.01-2.0, preferably 0.03-1.2 parts by weight can be used and, if when less than 0.01 parts by weight, the supports the blocking protection pyrolysis in melting ten calcinations melt spinning or melt overcooling in pyrolysis-based cellulose can be, 2.0 parts by weight of being caused by a particular fault of of a rise in pressure pack exceeds the workability and molded having a safety problem may be proposed.

Such compositions of the present invention having film and composition ratio molten cellulose ester resin under ASTM D1238 legally 260 °C in measuring Melt Flow index, 95.0 Pa also melting. 160.0 Pa-sec. For sec, preferably 95.0 Pa. May sec -140 Pa. sec.

Furthermore, of the present invention melt cellulose ester resin 260 °C legally ASTM D1238 under heat fluidity is provided for measuring Melt Flow index -120 g/10 ingredient 60 g/10 ingredient, shear rate is can be 120/s -160/s.

Furthermore, by producing chip cellulose ester melted charge relates to.

During of the present invention manufacturing method of steps, which chips are produced by cellulose ester melt said blending 240 °C from a internal temperature [...] 150 °C under conditions for increasing temperature until, preferably from 160 °C until 230 °C, more preferably from 165 °C 225 °C under conditions for increasing temperature up and then performs an inverse nice, said if less than 150 °C with internal temperature [...] the resin is sufficiently is not melted resin to smoothly drain the ground water through without being kneading unmelted state can be is a problem of the, 240 °C the excess if the load gradient exceeds the first backbone of cellulose esters and its color is chip by pyrolysis is lowered because of the physical properties the browning, there is the problem that the, said, at a temperature in the range preferably to compose the.

Furthermore, 20 kg/hr -30 kg/hr and said feeder circle blending [...] motor speed is carried out in the because 220 rpm -300 rpm, preferably circle feeder 22 kg/hr -28 kg/hr and [...] motor speed 240 rpm -290 rpm is carried out in the one side of the third resin is made [...] operability and productivity stable. and advantageous in respect of the service.

And, said [...][...] a general use in art may be used in, preferably mounted this axial extruder[...], use can be made of,.

Drying the chip cellulose ester melt said drying of 20-30 time under 70 °C -100 °C, preferably the drying time 20-26 under 75 °C -85 °C, more preferably 22-26 under 78 °C -85 °C performed during time because, the, drying temperature is 70 °C if less than commercial variations in drying time is too long as well as working cylinder is inserted into, smooth moisture can be removal, excess if the load gradient exceeds the first 100 °C is drying temperature, so as the polymer chain to imparted thereto, that has fluidity, the generation of thermal change in the chip is the clamping circuit performs the clamping when of pinholes and heat may be proposed.

Melt spinning then relates to the.

A melt spinning said spinning speed is carried out in the 255 °C -275 °C temperature and spinning 2,000 mpm -3,000 mpm is, spinning speed preferably is carried out in the 255 °C -270 °C temperature and spinning 2,200 mpm -2,900 mpm is, spinning speed more preferably carried out in the 260 °C -270 °C temperature and spinning 2,300-2,800 mpm preferably a. The, spinning speed is 2,000 mpm if less than an increase in cost produced productivity can be problem, exceeds a 3,000 mpm imparted to cellulose of melting when tension is too high a quadric or blow out (Blow-Out) phenomenon occurs to smooth radiation work having a safety problem the spinning speed said conducting melt spinning under preferably. And, radiation temperature less than 255 °C melt viscosity of a polyolefin, cellulose resin of melting when radiation is too high it is not work the quadric nozzle can be problem, radiation temperature 275 °C if the load gradient exceeds the first excess due to imparting the quantity of heat of said resin at color by pyrolysis or deteriorating physical properties to the fusion radioactive has poor an inner engine is may be proposed.

And, the lint collector used in melt spinning a general use in the art for using a spinneret with the can be, preferably, use can be made of, a spinneret with the modified cross section. And, said lint collector cross section couple is a spinneret with the modified cross section, polygonal cross-section lint collector, C Spinnerret-formed cross section, and, Spinnerret circular cross-section, it buys the lobe Spinnerret cross section, variety of lint collector or it sells lobe sectional detentionsix lobes cross section stack having a modified cross section, use can be made of, Spinnerret.

And, said lint collector of lint collector when the mother pipe having a circular cross-section, length and Spinnerret non depth Spinnerret provided that the (length/depth, L/D) is 1.0-4.0, preferably in circular cross-section of a spinneret with the 1.4-3.6, more preferably 2.0-3.0 in the use of a spinneret with the circular cross-section preferably. The, L/D Spinnerret if less than 1.0 value rear view a too low pressure imparted to the capacitor is formed by connecting a evenness yarn can be problem, excess of 4.0 L/D value exceeds a pack pressure due to pressure applying rear view that the gaseous support medium rises and resin flow is the yarn property reduced thereby, there is the problem that, a circular cross-section satisfies value said L/D Spinnerret preferably the use of.

Hereinafter, embodiment to the present invention for more specifically to illustrate the time as large as that of. However, embodiment a substracte are not involves limiting the range of the present invention, for assisting the understanding of the present invention should be interpreted to will.

[In the embodiment]

Preparing e.g. 1: cellulose acetate for preparation of

Equation a 98.0 weight % A value of 1 and, 2 equation a B value of 2.0 weight % in pulp to a generic method using synthetic cellulose acetate, acetyl functionality of the polymer component substitution degree of not 2.4, weight average molecular weight 40,000, melting temperature 242 °C in cellulose acetate resin have been prepared. And, of said cellulose acetate property of a resin to table 1 showed to.

[Equation 1]

95.0% ≤ A ≤ 99.5 weight % weight

In said equation 1, the 10% volume A concentration of NaOH aqueous solution 25 °C pulp weight average molecular weight of 8,000 g/mol hereinafter 1 in the mixing and time a determined weight of residue (residue) is put on the internal member is % NaOH.

[Equation 2]

0.5% ≤ B ≤ 3.5%

In said equation 2, the B 18 volume % concentration of NaOH aqueous solution 25 °C pulp weight average molecular weight of 8,000 g/mol hereinafter 1 in the mixing and time a determined weight of NaOH (soluble substance) dissolved components in at least one of the one is %.

Preparing e.g. 2

95.2 A value of 1% weight said equation and, equation 3.3 B value of 2 weight % in the same method for preparing pulp 1 e.g. synthesis of the cellulose acetate resin have been prepared.

Compared preparation example 1

93.1 value A of 1% weight said equation and, equation 2 B value of 4.5 weight % in the same method for preparing pulp 1 e.g. synthesis of the cellulose acetate resin have been prepared.

2 preparation example compared

Existing the molten cellulose ester drum washing machine to 2.4 substitution cellulose a floating support, weight average molecular weight 40,000 cellulosic acetate resin (Eastman Chemical a communication network and downloads, all CA-398-10) a prepared a picnic, to the same physical property as the thereof showed to table 1.

In the embodiment 1: melt cellulose ester for producing gray yarn of

(1) melt cellulose ester chip manufacturing

Said preparing e.g. a cellulose acetate resin 1 in 100 parts by weight, plasticizer polyethylene glycol in 600 weight average molecular weight as number (Polyethylene glycol) 30 parts by weight of a mixture have been prepared.

Next, 100 parts by weight of said mixture, radical generating inhibitors tetrakis methylene (3,5-di- [...] t-butyl-4-hydroxy) a dibenzoyl methane (Anox 20, cam weight[...], Chemtura Corporation) 0.4 parts by weight and radically active inhibitors tris (2,4-di-t-butyl phenyl) phosphate (Alcanox 240, cam weight[...], Chemtura Corporation) after 0.4 parts by weight, 10 minutes using super mixer (supermixer) mixing molten cellulose ester resin have been prepared.

Next, said melt cellulose ester resin biaxially extrusion machine is mounted [...] feeder circle using 25 kg/hr, after fixed 270 rpm motor speed [...], 170 °C at a starting temperature (DIE) die [...] in 240 °C temperature end final derivative is 5 temperature until 5 minutes (blending) the decoder is fed back to the equalizer the resulting value of the alpha blend, melt cellulose ester chip have been prepared.

Next said melt cellulose ester chip 24 time under 80 °C and drying the dried melt cellulose ester chip have been prepared.

(2) thermoplastic cellulose ester for producing gray yarn of

Said drying melt cellulose ester chip (Hole) hole 36 in L/D (length/diameter) = 2.6 Spinnerret having a circular cross-section is fitted with such a spinning speed 2,500 mpm molten radiator can be coplanar, radiation temperature (and nozzle temperature) discharge amount and 260 °C 30.0 g/min. by performing a photo lithography process radiation in conditions also the island for mooring having cellulose ester thermoplastic denier 120 have been prepared.

In the embodiment 2

Embodiment is equal to said in the embodiment 1, of circular cross-section of a spinneret with the 36 in L/D=1.5 using the a spinneret with the circular cross-section except for the host 120 also island in the same method for mooring having cellulose ester thermoplastic denier have been prepared.

In the embodiment 3

Embodiment is equal to said in the embodiment 1, of circular cross-section of a spinneret with the 36 in L/D=3.5 using the a spinneret with the circular cross-section except for the host 120 also island in the same method for mooring having cellulose ester thermoplastic denier have been prepared.

In the embodiment 4

Embodiment is equal to said in the embodiment 1, in 1 said preparing e.g. a cellulose acetate resin in preparing instead 2 e.g. a cellulose acetate resin used in the range of the same in the embodiment 1 except also island in method 120 for mooring having cellulose ester thermoplastic denier have been prepared.

In the embodiment 5

Embodiment is equal to said in the embodiment 1,35 parts by weight of plasticizer as polyethylene glycol except used in the range of the same in the embodiment 1 also island in method 120 for mooring having cellulose ester thermoplastic denier have been prepared.

In the embodiment 6

Embodiment is equal to said in the embodiment 1,22 parts by weight of plasticizer as polyethylene glycol except used in the range of the same in the embodiment 1 also island in method 120 for mooring having cellulose ester thermoplastic denier have been prepared.

In the embodiment 7

Embodiment is equal to said in the embodiment 1, number as plasticizer, weight average molecular weight polyethylene glycol in 600 weight average molecular weight instead in polyethylene glycol 400 except used in the range of 120 also island in the same method for mooring having cellulose ester thermoplastic denier have been prepared.

Compared example 1

Embodiment is equal to said in the embodiment 1, of circular cross-section of a spinneret with the 36 in L/D=0.9 using the a spinneret with the circular cross-section except for the host 120 also island in the same method for mooring having cellulose ester thermoplastic denier have been prepared.

Compared example 2

Embodiment is equal to said in the embodiment 1, a spinneret with the temperature a nozzle unit of the same except for the host supplying in 280 °C method 120 also island in for mooring having cellulose ester thermoplastic denier been produced with at

Compared example 3

Embodiment is equal to said in the embodiment 1, a spinneret with the temperature a nozzle unit of the same except for the host supplying in 250 °C method 120 also island in have been prepared for mooring having cellulose ester thermoplastic denier.

Compared example 4

Embodiment is equal to said in the embodiment 1, embodiment is equal to said in the embodiment 1, said preparing e.g. a cellulose acetate resin in 1 1 in preparation example compared instead a cellulose acetate resin used in the range of the same in the embodiment 1 except also island in method 120 for mooring having cellulose ester thermoplastic denier have been prepared.

Compared example 5

Embodiment is equal to said in the embodiment 1, embodiment is equal to said in the embodiment 1, said preparing a cellulose acetate resin in 1 e.g. preparation example compared instead 2 existing cellulose acetate resin used in the range of the same in the embodiment 1 except also island in method 120 for mooring having cellulose ester thermoplastic denier have been prepared.

Compared example 6

Embodiment is equal to said in the embodiment 1,15 parts by weight of plasticizer as polyethylene glycol except used in the range of the same in the embodiment 1 also island in method 120 for mooring having cellulose ester thermoplastic denier have been prepared.

7 e.g. compared

Embodiment said in the embodiment 1 is equal to, 50 parts by weight of plasticizer as polyethylene glycol except used in the range of the same in the embodiment 1 also island in method 120 for mooring having cellulose ester thermoplastic denier have been prepared.

8 e.g. compared

Embodiment is equal to said in the embodiment 1, number as plasticizer, weight average molecular weight polyethylene glycol in 600 instead weight average molecular weight polyethylene glycol in 200 except used in the range of 120 also island in the same method for mooring having cellulose ester thermoplastic denier have been prepared.

9 e.g. compared

Embodiment is equal to said in the embodiment 1, number as plasticizer, instead polyethylene glycol in 600 weight average molecular weight 1,000 weight average molecular weight in polyethylene glycol except used in the range of 120 also island in the same method for mooring having cellulose ester thermoplastic denier have been prepared.

Experiment 1 e.g.: measuring property of a resin melt cellulose ester

Said in the embodiment 1-7 and comparison example 1-9 produced in a melt cellulose ester plastic fusion temperature, also melting, shear modulus and ten fluidity 260 °C measured under ASTM D1238 legally corresponding advertisement based on the shown list, showed to result to the computer of the to table 2.

Experiment 2 e.g.: melt cold of the yarn chip cellulose ester

Said in the embodiment 1-7 and comparison example 1-9 produced in a melt cellulose ester chip the yarn extrusion workability, by melt-spinning, chip color, color yarn, yarn strength, occurrence time the quadric the yarn elongation to the n bit parallel data inputted method measures showed to result to the computer of the to table 3.

(1) melt cellulose ester chip the yarn of color measurement

And receiving data produced prepared by melt spinning colorimetry capacity of color of yarn having a (SPECTROPHOTOMETER cm -3600d, KONICA MINOLTA [...] ) using L*a*b colorimetric system, index ASTM E313-73, color difference ΔE *ab (CIE1976), ΔE * 94 (CIE1994) and brightness, saturation, color it was determined that the each component of the.

And, measured b^* showed to 3 table to value.

The, chip b^* value excess during the extrusion if the load gradient exceeds the first 5 by operation of the fuel pump is cut and chains main cellulose to have occurred in the hydrocarbons and, b^* color close to 0 value substantially free from of pinholes is excellent in workability can be determines that a handover may be very good.

And, yarn b^* 8 value exceeds a cellulose resin the heat hydrocarbons more and this browning color by, b^* 2004 0 value of polymer dyed and good color and a method for coloring glass, and have properties.

(2) by melt-spinning and extrusion

Extrusion workability when it is handled in the display conditions by reserving a continuity stably resin extruded in constant as ease, a an extrusion [...] in table 3 show that from human and, exhibits preferable is an extrusion intention of a, Δ an extrusion exhibits a receiving data from an ISDN line, an extrusion of nitric acid and presents a ×.

By melt-spinning the melt spinning under conditions displayed generating quadric in pass through processing steps, the resonance detection unit detects gas, generation of static electricity, a winding state such as melt processing of cellulose resin by judging the high speed spinning state and if the printing is not possible, as rating, to a melt spinning [...] in table 3 show that very good and, exhibits molten intention of a preferable radiation, Δ molten grey yarn radiation at the time of exhibits a receiving data from an ISDN line is declined, of nitric acid and presents a molten × radiation.

(3) elongation strength and yarn

Fiber steel, automatic measurements in elongation tension tester (Textechno yarn) using speed of 50 cm/m, 50 cm it was determined that by applying a distance ash of a thermoelectric. Strength and elongation with the fibers a constant force is provided by a cutting until safely when stretched, a load (g/de) at the divided words denier, length, in an extended length to first value indicative of the percentage elongation of the defined by (%).

3 table to present a reference measurement plain on of said surfaces of a the metal core bores in the embodiment 1-in the embodiment 7 in the case of yarn having a, generally extrusion workability, radiation having excellent workability and, chip colors is less than 4.40, yarn color dye exhibits good 7.5 hereinafter and having colored light emitting characteristics can be it is confirmed that.

, By using a time hopping code, upon radiation using a spinneret with the circular cross-section, length and Spinnerret non depth Spinnerret (length/depth, L/D) is less than 1.0 compared e.g. in the case of a floating support 1, by melt-spinning repetition of part, part, a spinning temperature (nozzle temperature) is 280 °C which has been compared e.g. 2 and spinning temperature (nozzle temperature) is 250 °C which has been compared e.g. in the case of 3 the productivity radiation in addition, is connected to the clamping circuit performs the clamping when declined, as compared to result in the embodiment 1, this having an adverse effect on the elongation strength and yarn using the result.

Furthermore, equation 1 of 93.1 value A weight % and, equation 2 B value of 4.5 weight % in pulp prepared with cellulose acetate resins have low number also melting, high thermal [...][...] shear modulus and, in the case of a floating support same 4 compared e.g., extrusion workability as well as by melt-spinning in addition did not very good.

And, existing commonly used in the art for a floating support [...] cellulose acetate resin in the case of 5 compared e.g., extrusion and but pieces good by melt-spinning, as compared to in the embodiment 1, chip and vertically there dye yarn, an elongation strength and yarn using the RS.

Furthermore, by using it as less than 20 parts by weight plasticizer compared e.g. in the case of 6, repetition of by melt-spinning is connected to, 45 parts by weight of plasticizer for comparison using beyond the in the case of 7 e.g., of a plasticized too an elongation strength and yarn by bleeding out plasticizer vertically there is a problem of the is.

And, weight average molecular weight of less than 350 for comparison polyethylene glycol is in the case of 8 e.g., as compared to in the embodiment 1, an elongation strength and yarn T1 again pulled down and, weight average molecular weight 1,000 in polyethylene glycol is in the case of 9 for comparison e.g., compression and by melt-spinning too bad fabric, a leather seat is reduce noise and achieve aesthetic enhancement by producing.

To and said in the embodiment of the present invention melt cellulose ester resin as biodegradable resin, has a melting point higher, good for melt spinning in the high temperature of 260 °C optimal melting point also, shear modulus and ten fluidity having was capable of confirming the. Such of the present invention melt cellulose ester resin using tree structure of reed-Solomon melt cellulose ester chip colors (b^*) is can be 1:1 by. Furthermore, of the present invention an extruder/or a chip resin and cellulose ester melt workability, a radiation having excellent workability, excellent strength, having yarn having elongation at capable of providing could confirm it.