CN103628180A - Ultra-extinction memory fiber and preparation method - Google Patents
Ultra-extinction memory fiber and preparation method Download PDFInfo
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- CN103628180A CN103628180A CN201310659078.XA CN201310659078A CN103628180A CN 103628180 A CN103628180 A CN 103628180A CN 201310659078 A CN201310659078 A CN 201310659078A CN 103628180 A CN103628180 A CN 103628180A
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Abstract
The invention discloses an ultra-extinction memory fiber and a preparation method. The ultra-extinction memory fiber is prepared by a method for differentially distributing titanium dioxide content in a skin-core composite structure. The problems that the conventional complete-extinction fiber has poor ultraviolet resistance, breakage in the weaving process is relatively serious, and clothes produced have a low sagging degree are solved. The ultra-extinction memory fiber adopts the skin-core structure, and has the average titanium dioxide content of more than 3% and high ultraviolet resistance; fabric woven by the ultra-extinction memory fiber is bright in color, comfortable, sagging, stiff and smooth and high in resilience, and has much higher dyeing property and ultraviolet resistance than the conventional polyester and other complete-extinction fibers.
Description
Technical field
The present invention relates to a kind of super delustring memory fiber and preparation method, belong to textile technology field.
Background technology
At present, antiultraviolet fiber is global for resisting the ultraviolet fiber of taking, and is the first-selected textile fabric that reduces cutaneum carcinoma illness rate.The most frequently used antiultraviolet fiber is full-dull fiber at present, its uvioresistant ability a little less than, though there is technical staff to increase uvioresistant ability by adding too much content of titanium dioxide, but because content of titanium dioxide too much can cause lousiness in spinning and braiding process, fracture of wire too much, the difficult quality of its fabric reaches comfortable and easy to wear, attractive in appearance, well-pressed premium properties and is abandoned.In addition because domestic and international full-dull fiber adopts polyester fiber mostly, its molecular structure is comparatively tight, need under High Temperature High Pressure, dye, exist energy consumption high, be difficult to the industrial shortcoming of serialization, and be difficult to and the problems such as fiber co-bathing dyeing such as the spandex of non-refractory, wool.
Summary of the invention
The object of the invention is to provide a kind of super delustring memory fiber and preparation method.
For achieving the above object, the first technical scheme that the present invention adopts is: a kind of super delustring memory fiber, the quality percentage composition of the titanium dioxide in described super delustring memory fiber is more than or equal to 3%, and filament number is 0.05dtex～4dtex, and uvioresistant ability UPF value is more than or equal to 60%; Described super delustring memory fiber is core-sheath composite structure, this core-sheath composite structure center core layer is the polytrimethylene terephthalate fiber that the titanium dioxide quality percentage composition polyethylene terephthalate that is 3～12% or titanium dioxide quality percentage composition are 3～12%, and cortex is that titanium dioxide quality percentage composition is less than or equal to 3% polytrimethylene terephthalate fiber.
Preferred technical scheme is: the polytrimethylene terephthalate fiber of described cortex is the polytrimethylene terephthalate fiber with shape memory characteristic.
For achieving the above object, the second technical scheme that the present invention adopts is: a kind of method of preparing super delustring memory fiber, comprises the following steps:
The preparation of core material: core layer polymer and titania slurry are mixed through static mixer, are then to extrude and obtain core material melt in the screw extruder of 240 ℃～290 ℃ by temperature; Described core layer polymer is polyethylene terephthalate melt or polytrimethylene terephthalate melt; The quality percentage composition of the titanium dioxide in described core material melt is 3～12%;
The preparation of cortical material: core-skin interface bonding agent, cortex polymer and titania slurry are mixed by static mixer, are then to extrude and obtain cortical material melt in the screw extruder of 240 ℃～280 ℃ by temperature; Described cortex polymer is polytrimethylene terephthalate; The quality percentage composition of the titanium dioxide in described cortical material melt is 0～3%; 0.05%～5% of the quality that the quality of described interface bonding agent is super delustring memory fiber;
Composite spinning: described cortical material melt and core material melt, by entering composite spinning box after measuring pump metering separately, then carry out spinning by core-sheath spinning pack, and the temperature of described spinning is 240 ℃～290 ℃.
Preferred technical scheme is: described interface bonding agent is at least one in polyethers, polyethylene glycol and polyvinyl alcohol.
Preferred technical scheme is: described core material and cortical material mass ratio is between the two 70～98 ︰ 2～30.
Related content in technique scheme is explained as follows:
In technique scheme, UPF is the acronym of English Ultraviolet Protection Factor, i.e. Ultraviolet Protection Factor.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
1, the super delustring memory fiber that the present invention makes, has overcome conventional full-dull resistant fiber ultraviolet ability, and in braiding process, fracture of wire phenomenon is comparatively serious, the problem that clothes degree of dangling is low.
2, the prepared super delustring memory fiber of the present invention adopts skin-core structure, sandwich layer is fibrous over 3% polyester fiber or polytrimethylene terephthalate (PTT) by content of titanium dioxide, cortex is the ptt fiber composition that content of titanium dioxide is less than 3%, has avoided so the inadequate phenomenon of fracture of wire, degree of dangling of full-dull fiber preparation process.
3, skin-core structure of the present invention interface, owing to containing the polymer (interface bonding agent) on a small quantity with plasticization, can combine core-skin polymer better.
4, the fabric that the prepared super delustring memory fiber of the present invention is worked out, bright-colored, comfortable, dangle, well-pressed, uvioresistant ability is strong, its resilience, dyeability all improve a lot.
The specific embodiment
Below in conjunction with embodiment, the invention will be further described:
Uvioresistant UPF values determination method:
According to the UPF value of the anti-ultraviolet method test of the test of GB/T18830-2002 fabric, instrument is spectrophotometer UV-31500.
Embodiment mono-: a kind of super delustring memory fiber and preparation method
First the titania slurry that formulation content is 12%, particle size is less than 1um drops into charge door, the polyethylene terephthalate that is 90% by content is mixed through static mixer with titania slurry, by temperature, be to extrude in the screw extruder of 280 ℃, by measuring pump, enter composite spinning box sandwich layer, spinning temperature is set to 290 ℃;
Secondly, when sandwich layer spinning body temperature is raised to more than 240 ℃, by containing 0.05% polyethers and content, be that the titania slurry that 10% polytrimethylene terephthalate, content are 1%, particle size is less than 1um passes through static mixer, by temperature, be to extrude in the screw extruder of 250 ℃, by measuring pump, enter manifold cortex and carry out spinning;
Skin-core structure polymer is by ring blower system, through reeling, after processing make super delustring and remember composite fibre.
Embodiment bis-: a kind of super delustring memory fiber and preparation method
First the titania slurry that formulation content is 6%, particle size is less than 1um drops into charge door, the polyethylene terephthalate that is 70% by content is mixed through static mixer with titania slurry, by temperature, be to extrude in the screw extruder of 250 ℃, by measuring pump, enter manifold sandwich layer, spinning temperature is set to 270 ℃;
Secondly, when sandwich layer spinning body temperature is raised to more than 240 ℃, by containing 3% polyvinyl alcohol and content, be that the titania slurry that 30% polytrimethylene terephthalate, content are 2%, particle size is less than 1um passes through static mixer, by temperature, be to extrude in the screw extruder of 250 ℃, by measuring pump, enter manifold cortex, carry out spinning;
Skin-core structure polymer is by ring blower system, through reeling, after processing make super delustring and remember composite fibre.
Embodiment tri-: a kind of super delustring memory fiber and preparation method
First the titania slurry that formulation content is 3%, particle size is less than 1um drops into charge door, the polyethylene terephthalate that is 98% by content is mixed through static mixer with titania slurry, by temperature, be to extrude in the screw extruder of 240 ℃, by measuring pump, enter composite spinning box sandwich layer, spinning temperature is set to 240 ℃;
Secondly, when sandwich layer spinning body temperature is raised to more than 240 ℃, by containing 3% polyvinyl alcohol and content, be that the titania slurry that 2% polytrimethylene terephthalate, content are 3%, particle size is less than 1um passes through static mixer, by temperature, be to extrude in the screw extruder of 240 ℃, by measuring pump, enter manifold cortex and carry out spinning;
Skin-core structure polymer is by ring blower system, through reeling, obtaining super delustring memory fiber through 1 times of drawing-off and 100 ℃ of HEAT SETTING.
Embodiment tetra-: a kind of super delustring memory fiber and preparation method
First the titania slurry that formulation content is 8%, particle size is less than 1um drops into charge door, by content, be that 80% ethylene glycol terephthalate mixes through static mixer with titania slurry, by temperature, be to extrude in the screw extruder of 270 ℃, by measuring pump, enter composite spinning box sandwich layer, spinning temperature is set to 290 ℃;
Secondly, when sandwich layer spinning body temperature is raised to more than 240 ℃, will contain 5% ether and content and be 20% benzene dicarboxylic acid butanediol ester by static mixer, by temperature, be to extrude in the screw extruder of 270 ℃, by measuring pump, enter composite spinning box cortex, carry out spinning;
Skin-core structure polymer is by ring blower system, and through reeling, obtaining super delustring memory fiber through 3 times of drawing-offs and 100 ℃ of HEAT SETTING, by braiding, obtaining thread count is that the UPF value of 110 * 76 red grey cloths is 89%.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. a super delustring memory fiber, is characterized in that: the quality percentage composition of the titanium dioxide in described super delustring memory fiber is more than or equal to 3%, and filament number is 0.05dtex ~ 4dtex, and uvioresistant ability UPF value is more than or equal to 60%; Described super delustring memory fiber is core-sheath composite structure, this core-sheath composite structure center core layer is the polytrimethylene terephthalate fiber that the titanium dioxide quality percentage composition polyethylene terephthalate that is 3～12% or titanium dioxide quality percentage composition are 3～12%, and cortex is that titanium dioxide quality percentage composition is less than or equal to 3% polytrimethylene terephthalate fiber.
2. super delustring memory fiber according to claim 2, is characterized in that: the polytrimethylene terephthalate fiber of described cortex is the polytrimethylene terephthalate fiber with shape memory characteristic.
3. a method of preparing super delustring memory fiber described in claim 1, is characterized in that: comprise the following steps:
The preparation of core material: core layer polymer and titania slurry are mixed through static mixer, are then to extrude and obtain core material melt in the screw extruder of 240 ℃ ~ 290 ℃ by temperature; Described core layer polymer is polyethylene terephthalate melt, or polytrimethylene terephthalate melt; The quality percentage composition of the titanium dioxide in described core material melt is 3～12%;
The preparation of cortical material: core-skin interface bonding agent, cortex polymer and titania slurry are mixed by static mixer, are then to extrude and obtain cortical material melt in the screw extruder of 240 ℃ ~ 280 ℃ by temperature; Described cortex polymer is polytrimethylene terephthalate; The quality percentage composition of the titanium dioxide in described cortical material melt is 0～3%; 0.05% ~ 5% of the quality that the quality of described interface bonding agent is super delustring memory fiber;
Composite spinning: described cortical material melt and core material melt, by entering composite spinning box after measuring pump metering separately, then carry out spinning by core-sheath spinning pack, and the temperature of described spinning is 240 ℃～290 ℃.
4. the method for the super delustring memory fiber of preparation according to claim 3, is characterized in that: described interface bonding agent is at least one in polyethers, polyethylene glycol and polyvinyl alcohol.
5. the method for the super delustring memory fiber of preparation according to claim 3, is characterized in that: described core material and cortical material mass ratio is between the two 70 ~ 98 ︰ 2～30.
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Cited By (10)
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| CN105155084A (en) * | 2015-06-01 | 2015-12-16 | 吴江市海成纺织有限公司 | Super anti-transparent fabric and manufacturing method thereof |
| CN105369432A (en) * | 2015-06-01 | 2016-03-02 | 吴江市海成纺织有限公司 | Super anti-transparent double-layer fabric and manufacturing method thereof |
| CN105483858A (en) * | 2015-12-30 | 2016-04-13 | 吴江佳力高纤有限公司 | Polyethylene terephthalate complex fiber and preparing method thereof |
| CN105671684A (en) * | 2016-04-18 | 2016-06-15 | 温州泓呈祥科技有限公司 | Method for manufacturing fibers with memory function |
| CN106319685A (en) * | 2015-06-19 | 2017-01-11 | 香港理工大学 | Heat insulation core-shell composite fiber for reflecting near infrared rays, and production method of fiber |
| CN107385528A (en) * | 2017-06-02 | 2017-11-24 | 吴江佳力高纤有限公司 | A kind of high-elastic delustring TSF composite fibres section spinning and preparation method thereof |
| WO2019091447A1 (en) * | 2017-11-10 | 2019-05-16 | 东丽纤维研究所（中国）有限公司 | High-transparency-resistance core sheath composite fiber and fabric |
| CN111188104A (en) * | 2020-03-12 | 2020-05-22 | 江苏江南高纤股份有限公司 | Skin-core structure composite short fiber and preparation method thereof |
| CN112941665A (en) * | 2021-03-08 | 2021-06-11 | 江苏江南高纤股份有限公司 | Terlon wool top and preparation method thereof |
| CN112981552A (en) * | 2019-12-02 | 2021-06-18 | 江苏鑫博高分子材料有限公司 | Preparation method of full-dull low-elasticity polyester bicomponent composite fiber |
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| CN105155084A (en) * | 2015-06-01 | 2015-12-16 | 吴江市海成纺织有限公司 | Super anti-transparent fabric and manufacturing method thereof |
| CN105369432A (en) * | 2015-06-01 | 2016-03-02 | 吴江市海成纺织有限公司 | Super anti-transparent double-layer fabric and manufacturing method thereof |
| CN106319685A (en) * | 2015-06-19 | 2017-01-11 | 香港理工大学 | Heat insulation core-shell composite fiber for reflecting near infrared rays, and production method of fiber |
| CN105483858A (en) * | 2015-12-30 | 2016-04-13 | 吴江佳力高纤有限公司 | Polyethylene terephthalate complex fiber and preparing method thereof |
| CN105671684A (en) * | 2016-04-18 | 2016-06-15 | 温州泓呈祥科技有限公司 | Method for manufacturing fibers with memory function |
| CN107385528A (en) * | 2017-06-02 | 2017-11-24 | 吴江佳力高纤有限公司 | A kind of high-elastic delustring TSF composite fibres section spinning and preparation method thereof |
| WO2019091447A1 (en) * | 2017-11-10 | 2019-05-16 | 东丽纤维研究所（中国）有限公司 | High-transparency-resistance core sheath composite fiber and fabric |
| CN110637114A (en) * | 2017-11-10 | 2019-12-31 | 东丽纤维研究所（中国）有限公司 | High-penetration-prevention core sheath composite fiber and fabric |
| CN112981552A (en) * | 2019-12-02 | 2021-06-18 | 江苏鑫博高分子材料有限公司 | Preparation method of full-dull low-elasticity polyester bicomponent composite fiber |
| CN111188104A (en) * | 2020-03-12 | 2020-05-22 | 江苏江南高纤股份有限公司 | Skin-core structure composite short fiber and preparation method thereof |
| CN112941665A (en) * | 2021-03-08 | 2021-06-11 | 江苏江南高纤股份有限公司 | Terlon wool top and preparation method thereof |
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Application publication date: 20140312 |