CN101891937B - Normal pressure cation dyeable blending polyester and production method thereof - Google Patents
Normal pressure cation dyeable blending polyester and production method thereof Download PDFInfo
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- CN101891937B CN101891937B CN2009102035697A CN200910203569A CN101891937B CN 101891937 B CN101891937 B CN 101891937B CN 2009102035697 A CN2009102035697 A CN 2009102035697A CN 200910203569 A CN200910203569 A CN 200910203569A CN 101891937 B CN101891937 B CN 101891937B
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- vibrin
- content
- limiting viscosity
- dyeable
- blending polyester
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention discloses a normal pressure cation dyeable blending polyester chip and a production method thereof. The cation blending polyester is prepared by blending polyester resin containing high-dyeing modifier components, polyester resin with high TiO2 content and high intrinsic viscosity and modified additives in a certain weight percentage. The product of the invention has the advantages of durable and excellent dyeing property, high heat stability and good spinnability; and the fiber fabric manufactured by the product can be dyed in a boiling state under the normal pressure by using cationic dyes, and has high dyeing fastness, bright color and complete color spectrum.
Description
Technical field
The invention belongs to the polyester chemical technology field, particularly relate to a kind of blending polyester section and production method thereof of normal atmosphere cation-dyeable.
Background technology
Trevira has become global first chemical fiber plus material fiber because it is inexpensive, but, because its chemical structure is regular, is easy to crystallization, degree of crystallinity is larger, and its orientation degree is also higher, and dyestuff is difficult to enter the fiber pars amorpha, and do not possess the seat of dying on polyester macromolecule, thereby cause its dyeability poor.Only have by forming the dyeing behavior that copolyesters could fundamentally solve trevira after modification.
Common improve one's methods be add estrodur dyeing modifier m-phthalic acid sulfonate (S composition) preparation in polyester and cation dyeable copolyester, thereby solve its colouring problem, and the content of the m-phthalic acid sulfonate that wherein added is higher, the dyeability of fabric can be better, more bright-coloured, colour fastness is better.But in this case, because of the thickening effectiveness that exists sulfonate group to cause, will make the polymerization degree of the polymkeric substance just melt viscosity that do not rise on the contrary rise, finally cause the spinning filter rate of rise fast, in spinning process, the fracture of wire phenomenon is serious, and spinning operation significantly descends the degradation phenomenon.There are again relevant patent and document to adopt and add the polyoxyethylene glycol copolyester as plasticizer, although can weaken the thickening power caused because of sulfonic group, suitably improve the polymerization degree of polyester, can make again like this photostabilization variation of polyester.In the section of widely used cation dyeable polyester, the addition of estrodur dyeing modifier (S composition) is generally lower than 2.0wt% in the market, and major cause is that after the content of S composition in section surpasses 2.0wt% in polyester, during spinning, broken end is serious; In addition, conventional cation dyeable copolyester section is all that the light section is arranged, the fiber of weaving produces and to allow the uncomfortable brightness of people and reflective, therefore, need to add therein matting agent to improve the visual effect of fabric, and TITANIUM DIOXIDE DELUSTRANT is added in the polyester that contains the S composition because acid higher, can cause the serious autohemagglutination of titanium dioxide, make in spinning process the broken end phenomenon serious.
Summary of the invention
The object of the present invention is to provide a kind of blending polyester and production method thereof with good spinning property and chromatic normal atmosphere cation-dyeable.
Be mainly solve at present with the copolymerization mode prepare that the filterableness of the serious autohemagglutination of the titanium dioxide occurred in the atmospheric cation polyester, melt is poor, easily occur broken end in spinning, the problem such as melting point polyester decline is serious.
The present invention adopts the method for blend, the filterableness that can effectively solve the serious autohemagglutination of titanium dioxide, melt is poor, easily occur broken end, the melting point polyester problem such as serious that descends in spinning, and can be effectively and obviously change the fusing point of the atmospheric cation polyester of copolymerization, thereby improve the processing condition of spinning.
Technical solution of the present invention is:
A kind of blending polyester section of normal atmosphere cation-dyeable, with vibrin and the high TiO containing high dyeability modifier composition
2the high limiting viscosity vibrin of content and modified additive carry out blend by the following weight percent that accounts for the blending polyester total amount and make:
Vibrin 10～90% containing high dyeability modifier composition
High TiO
2the high limiting viscosity vibrin 10～90% of content
Modified additive 0～15%;
The wherein said vibrin containing high dyeability modifier composition, the S composition contained in its dyeability modifier accounts for 0.1～10 wt% of the vibrin weight that contains high dyeability modifier composition; Described high TiO
2the high limiting viscosity vibrin of content, its TiO
2content accounts for high TiO
20.01～5wt% of the high limiting viscosity vibrin weight of content, limiting viscosity is 0.5～1.5dL/g.
The limiting viscosity of resulting polyester is at 0.5～0.8dL/g, and fusing point Tm is at 220～265 ℃.
Described modified additive is the fire retardant of anti ultraviolet agent, the phosphorus system of cerium class, one or several in IR series oxidation inhibitor.
A kind of production method of blending polyester section of normal atmosphere cation-dyeable, comprise the following steps:
(1) will be containing the vibrin section of high dyeability modifier composition, high TiO
2the high limiting viscosity vibrin section of content, carry out respectively drying, and drying temperature is 80～120 ℃, and the water content of dry rear section is below 100ppm.
(2) miscible granulation: by the above-mentioned dried section of the vibrin containing high dyeability modifier composition, high TiO
2the high limiting viscosity vibrin section of content and modified additive drop in twin screw extruder mix extrude, granulation, obtain a kind of blending polyester of normal atmosphere cation-dyeable, wherein the weight percent of each composition is as follows:
Vibrin 10～90% containing high dyeability modifier composition
High TiO
2the high limiting viscosity vibrin 10～90% of content
Modified additive 0～15%;
Described mixing is extruded, granulation process parameters is: each district's temperature of twin screw extruder, a district: 200 ± 5 ℃; 2nd district: 260 ± 5 ℃; 3rd district: 270 ± 5 ℃; 4th district: 270 ± 5 ℃; 5th district: 270 ± 5 ℃; 6th district: 270 ± 5 ℃; 7th district: 270 ± 5 ℃; 8th district: 270 ± 5 ℃; 9th district: 260 ± 5 ℃; Screw pressure: 0.01～0.6Mpa; Screw speed: 40～220rpm; Dicing machine rotating speed: 50～150rpm.
Compared with prior art, the invention has the beneficial effects as follows: will be containing the vibrin of high dyeability modifier (S composition), and high TiO
2the high limiting viscosity vibrin section of content, and modified additive mixes, extrudes, and can obtain a kind of blending polyester section of normal atmosphere cation-dyeable; S composition and TiO in the blending polyester section of this normal atmosphere cation-dyeable
2, be uniformly dispersed, without obvious agglomeration, spinning property and dyeability are preferably arranged; The blending polyester section preparation method technique of this normal atmosphere cation-dyeable is simple, without particular requirement, is suitable for suitability for industrialized production, and with low cost, and cleanliness without any pollution, meet environmental requirement.
Embodiment
Below in conjunction with embodiment, the present invention is further detailed explanation, but the section of the blending polyester of a kind of normal atmosphere cation-dyeable of the present invention and preparation method are not limited to embodiment, simple modification, equivalents or modification that all technical spirit according to the present invention are carried out following examples, all still belong in the scope of technical solution of the present invention.
Embodiment 1
Selecting limiting viscosity is 0.50dL/g, S component content 8.0wt% containing the polyester slice 500g of high dyeability modifier composition, and limiting viscosity is 0.65dL/g, TiO
2the high TiO of component content 1.0wt%
2the high limiting viscosity polyester slice 1500g of content, first be placed on section each contented hot air drier, under 80 ℃ of conditions, and dry 4～5 hours; Put into vacuum drying oven, under 120 ℃ of conditions, dry 12～36 hours, the water content of dried section was below 100ppm again; Above-mentioned dried section is put into to the hopper of twin screw extruder, screw rod 1 is carried the PET master batch of high S component content, and screw rod 2 is carried high IV and high TiO
2the PET of content section, carry out twin screw mix extrude, granulation.
Miscible granulation process parameters is: each district's temperature of twin screw extruder, a district: 200 ℃; 2nd district: 260 ℃; 3rd district: 270 ℃; 4th district: 270 ℃; 5th district: 270 ℃; 6th district: 270 ℃; 7th district: 270 ℃; 8th district: 270 ℃; 9th district: 260 ℃; Screw pressure: 0.2Mpa; Screw speed: 160rpm; ; After water-bath is cooling, at the dicing machine rotating speed, be to cut into grain under 80rpm pelletizing speed.
Test shows, the S component content in the blending polyester section of gained normal atmosphere cation-dyeable is 2.0wt%, TiO
2content is 0.75wt%, and limiting viscosity is 0.52dL/g.
The blending polyester section of the normal atmosphere cation-dyeable of gained is carried out spinning moulding by spinning-drawing machine.The blending polyester fiber of gained normal atmosphere cation-dyeable is tested and shown, fibre strength is 3.1CN/dtex.
Embodiment 2
On the basis of embodiment 1, add the antioxidant IR1010 of 0.1wt% during blending extrusion; After will the polyester slice drying containing high dyeability modifier composition, put into the high-speed stirring that super mixer carries out 5～15 minutes together with antioxidant IR1010, then put into the hopper 1 of twin screw extruder, carry by screw rod 1.
Other experimental procedures are identical with embodiment 1.
Test shows, the S component content in the blending polyester section of gained normal atmosphere cation-dyeable is 2.0wt%, TiO
2content is 0.75wt%, and limiting viscosity is 0.53dL/g.
The blending polyester section of the normal atmosphere cation-dyeable of gained is carried out spinning moulding by spinning-drawing machine.The blending polyester fiber of gained normal atmosphere cation-dyeable is tested and shown, fibre strength is 3.2CN/dtex.
Embodiment 3
On the basis of embodiment 1, add the anti ultraviolet agent cerium oxide of 0.7wt% during blending extrusion; After will the polyester slice drying containing high dyeability modifier composition, put into the high-speed stirring that super mixer carries out 5～15 minutes together with antioxidant IR1010, then put into the hopper 1 of twin screw extruder, carry by screw rod 1.
Other experimental procedures are identical with embodiment 1.
Test shows, the S component content in the blending polyester section of gained normal atmosphere cation-dyeable is 2.0wt%, TiO
2content is 0.75wt%, and limiting viscosity is 0.525dL/g.
The blending polyester section of the normal atmosphere cation-dyeable of gained is carried out spinning moulding by spinning-drawing machine.The blending polyester fiber of gained normal atmosphere cation-dyeable is tested and shown, fibre strength is 3.0CN/dtex.
Embodiment 4
On the basis of embodiment 1, add the phosphorus flame retardant of 1.0wt% during blending extrusion; After will the polyester slice drying containing high dyeability modifier composition, put into the high-speed stirring that super mixer carries out 5～15 minutes together with antioxidant IR1010, then put into the hopper 1 of twin screw extruder, by screw rod 1, carry.
Other experimental procedures are identical with embodiment 1.
Test shows, the S component content in the blending polyester section of gained normal atmosphere cation-dyeable is 2.0wt%, TiO
2content is 0.75wt%, and limiting viscosity is 0.53dL/g.
The blending polyester section of the normal atmosphere cation-dyeable of gained is carried out spinning moulding by spinning-drawing machine.The blending polyester fiber of gained normal atmosphere cation-dyeable is tested and shown, fibre strength is 3.1CN/dtex.
Embodiment 5
On the basis of embodiment 1, add the antioxidant IR1010 of 0.1wt% and the phosphorus flame retardant of 1.0wt% during blending extrusion; After will the polyester slice drying containing high dyeability modifier composition, put into the high-speed stirring that super mixer carries out 5～15 minutes together with antioxidant IR1010, then put into the hopper 1 of twin screw extruder, carry by screw rod 1.
Other experimental procedures are identical with embodiment 1.
Test shows, in the blending polyester section of gained normal atmosphere cation-dyeable, the S component content is 2.0wt%, TiO
2content is 0.75wt%, and limiting viscosity is 0.51dL/g.
The blending polyester section of the normal atmosphere cation-dyeable of gained is carried out spinning moulding by spinning-drawing machine.The blending polyester fiber of gained normal atmosphere cation-dyeable is tested and shown, fibre strength is 3.2CN/dtex.
The concrete technology table of the blending polyester section of table 1 embodiment 1～5 normal atmosphere cation-dyeable
In above table:
IV refers to the limiting viscosity of polyester, the dL/g of unit;
S refers to S component content in containing the polyester of high dyeability modifier, the wt% of unit;
TiO
2refer at high TiO
2tiO in the high limiting viscosity polyester of content
2content, the wt% of unit;
M refers to the input amount in Blending Processes, the g of unit;
Tm refers to the fusing point of polyester, unit ℃.
Claims (5)
1. the blending polyester of a normal atmosphere cation-dyeable, is characterized in that: with vibrin, the high TiO containing high dyeability modifier composition
2the high limiting viscosity vibrin of content and modified additive carry out blend by the following weight percent that accounts for the blending polyester total amount and make:
Vibrin 10～90% containing high dyeability modifier composition
High TiO
2the high limiting viscosity vibrin 10～90% of content
Modified additive 0～15%;
The wherein said vibrin containing high dyeability modifier composition, the m-phthalic acid sulfonate contained in its dyeability modifier accounts for 0.1～10 wt% of the vibrin weight that contains high dyeability modifier composition; Described high TiO
2the high limiting viscosity vibrin of content, its TiO
2content accounts for high TiO
20.01～5wt% of the high limiting viscosity vibrin weight of content, limiting viscosity is 0.5～1.5dL/g.
2. the blending polyester of normal atmosphere cation-dyeable according to claim 1, it is characterized in that: the limiting viscosity of this blending polyester is 0.5～0.8dL/g, fusing point Tm is 220～265 ℃.
3. the blending polyester of normal atmosphere cation-dyeable according to claim 1 is characterized in that: described modified additive is the fire retardant of anti ultraviolet agent, the phosphorus system of cerium class, one or several in IR series oxidation inhibitor.
4. the production method of the blending polyester of a normal atmosphere cation-dyeable is characterized in that:
(1) will be containing the vibrin section of high dyeability modifier composition, high TiO
2the high limiting viscosity vibrin section of content, carry out respectively drying, and drying temperature is 80～120 ℃, and the water content of dry rear section is below 100ppm;
(2) miscible granulation: by the above-mentioned dried section of the vibrin containing high dyeability modifier composition, high TiO
2the high limiting viscosity vibrin section of content and modified additive drop in twin screw extruder mix extrude, granulation, obtain a kind of blending polyester of normal atmosphere cation-dyeable, wherein the weight percent of each composition is as follows:
Vibrin 10～90% containing high dyeability modifier composition
High TiO
2the high limiting viscosity vibrin 10～90% of content
Modified additive 0～15%.
5. the production method of the blending polyester of a kind of normal atmosphere cation-dyeable according to claim 4; it is characterized in that: each district's temperature of described twin screw extruder is 195～275 ℃; screw pressure is 0.01～0.6Mpa, and screw speed is 40～220rpm, and the dicing machine rotating speed is 50～150rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102035697A CN101891937B (en) | 2009-05-18 | 2009-05-18 | Normal pressure cation dyeable blending polyester and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102035697A CN101891937B (en) | 2009-05-18 | 2009-05-18 | Normal pressure cation dyeable blending polyester and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101891937A CN101891937A (en) | 2010-11-24 |
| CN101891937B true CN101891937B (en) | 2013-12-25 |
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| CN2009102035697A Expired - Fee Related CN101891937B (en) | 2009-05-18 | 2009-05-18 | Normal pressure cation dyeable blending polyester and production method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104448721A (en) * | 2014-12-31 | 2015-03-25 | 沈阳德润新材料有限公司 | Organic phosphorus-based blending inflaming retarding polyester chip and production method thereof |
| CN107604463B (en) * | 2017-09-07 | 2020-10-02 | 江苏恒科新材料有限公司 | Preparation method of cationic dyeable polyester fiber |
| CN115961382B (en) * | 2022-12-30 | 2024-02-20 | 上海德福伦新材料科技有限公司 | Preparation method of cationic dye normal-pressure deep-dyeable heavy denier flat regenerated polyester fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696173A (en) * | 2004-05-10 | 2005-11-16 | （株）晓星 | Flame retardant polyesterpolymer able to dye by using cation pigment,its mfg.method and copolymer fiber using the same |
| CN1757672A (en) * | 2004-10-08 | 2006-04-12 | 上海毅兴塑胶原料有限公司 | Masterbatch used for processing polyester resin |
| CN1912199A (en) * | 2005-08-08 | 2007-02-14 | 东丽纤维研究所（中国）有限公司 | Two-component polyester sheath core compound fibre and production method |
| CN101020743A (en) * | 2007-03-24 | 2007-08-22 | 施建强 | Prepn process of copolyester capable of being dyed deeply with cationic dye |
-
2009
- 2009-05-18 CN CN2009102035697A patent/CN101891937B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696173A (en) * | 2004-05-10 | 2005-11-16 | （株）晓星 | Flame retardant polyesterpolymer able to dye by using cation pigment,its mfg.method and copolymer fiber using the same |
| CN1757672A (en) * | 2004-10-08 | 2006-04-12 | 上海毅兴塑胶原料有限公司 | Masterbatch used for processing polyester resin |
| CN1912199A (en) * | 2005-08-08 | 2007-02-14 | 东丽纤维研究所（中国）有限公司 | Two-component polyester sheath core compound fibre and production method |
| CN101020743A (en) * | 2007-03-24 | 2007-08-22 | 施建强 | Prepn process of copolyester capable of being dyed deeply with cationic dye |
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