CN104762695A - Biodegradable polyester/recycled polyester sheath-core fiber and preparation method thereof - Google Patents

Biodegradable polyester/recycled polyester sheath-core fiber and preparation method thereof Download PDF

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Publication number
CN104762695A
CN104762695A CN201510144131.1A CN201510144131A CN104762695A CN 104762695 A CN104762695 A CN 104762695A CN 201510144131 A CN201510144131 A CN 201510144131A CN 104762695 A CN104762695 A CN 104762695A
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China
Prior art keywords
polyester
recycled polyester
pbat
sheath
recycled
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Pending
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CN201510144131.1A
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Chinese (zh)
Inventor
周哲
李世刚
缪晓辉
黄荣平
黄卫平
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Shanghai SHEEP Industry Co Ltd
Donghua University
National Dong Hwa University
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Shanghai SHEEP Industry Co Ltd
Donghua University
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Application filed by Shanghai SHEEP Industry Co Ltd, Donghua University filed Critical Shanghai SHEEP Industry Co Ltd
Priority to CN201510144131.1A priority Critical patent/CN104762695A/en
Publication of CN104762695A publication Critical patent/CN104762695A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a biodegradable polyester/recycled polyester sheath-core fiber and a preparation method thereof. The biodegradable polyester/recycled polyester sheath-core fiber is composed of a sheath layer and a core layer, wherein the sheath layer consists of biodegradable polyester, poly adipic acid/butylene-terephthalate and an antistatic functional material, and the core layer is recycled polyester. The preparation method comprises the following steps: compounding the PBAT with the antistatic functional material subjected to surface modification, respectively performing vacuum tumbler drying and screw melt extrusion with the recycled polyester, and performing composite spinning to prepare the biodegradable polyester/recycled polyester sheath-core fiber. According to the prepared biodegradable polyester/recycled polyester sheath-core fiber, the PBAT fiber as the sheath layer has a biodegradability performance, and the core layer adopts the recycled polyester which can be recycled, so that the product cost is greatly lowered. The biodegradable polyester/recycled polyester sheath-core fiber has a good antistatic function and is light in color, also has good mechanical property and rebound resilience, is soft in handfeel, and can be blended with cotton, wool and other synthetic fibers, is an economic and environmental-friendly fiber, and can be widely applied to fields of products of home textiles and blankets.

Description

A kind of Biodegradable polyester/recycled polyester sheath core fiber and preparation method thereof
Technical field
The invention belongs to production of chemical fibre technical field, particularly relate to a kind of Biodegradable polyester/recycled polyester sheath core fiber and preparation method thereof.
Background technology
The appearance of synthetic fiber and fast development thereof significantly improve the life of the mankind, and are widely used in every field.But along with energy crisis and environmental problem become the theme of global concern, the production and consumption amount that synthetic fiber are huge also brings this and has a strong impact on.One is the synthetic fiber based on non-renewable petroleum resources, the growing tension along with petroleum resources is faced the shortage of raw material; Two is after waste and old fibre, goods and clothing entered environment, causes long-term, profound ecological environment problem because it is difficult to degraded.Therefore, the bio-based chemical fibre with good characteristics such as the renewable and biodegradations of environmental friendliness, raw material becomes development priority and the focus of current textile chemical fiber industry.
In biodegradable polymer, poly-adipic acid/mutual-phenenyl two acid bromide two alcohol ester (PBAT), as a kind of aliphatic-aromatic copolyester of novel complete biodegradable, causes extensive concern both domestic and external and research.PBAT is terephthalic acid (TPA), adipic acid and 1, the three-element copolymerized ester of 4-fourth diester, combine the biodegradable performance of aliphatic polyester and the good mechanical property of aromatic polyester, melt spinning method can be adopted to be prepared into PBAT fiber, there is good biodegradable, mechanical property, heat endurance and tensile property, soft, there is very important market value.
At present, have PBAT fiber and prepare the relevant report of fiber with other polyblend, the Chinese invention patent being 201210349313.9 as application number discloses a kind of PBAT fiber and preparation method thereof, has prepared PBAT fiber by melt spinning method; And the Chinese invention patent that the patent No. is 201110102009.X reports a kind of biodegradable fiber containing PHBV and preparation method thereof, that PBAT is added component, for improving the performance of poly butyric-valerate (PHBV) fiber as containing the one in PLA binary mixture.Therefore, the research and development about PBAT fiber are also few, and its performance need to improve, and especially the cost of PBAT is higher, limit exploitation and the market application of its functional fiber kind diversification.
Summary of the invention
The object of the invention is to provide a kind of Biodegradable polyester/recycled polyester sheath core fiber and preparation method thereof, and this fiber also has good anti-static function.
The present invention realizes by following technical scheme:
A kind of Biodegradable polyester/recycled polyester sheath core fiber, described fiber is made up of cortex and sandwich layer, cortex is by gathering adipic acid/mutual-phenenyl two acid bromide two alcohol ester (PBAT) and anti-static function material forms, and wherein the content of anti-static function material is the 1 ~ 4wt% of PBAT; Sandwich layer is recycled polyester; Described cortex and sandwich layer mass ratio is between the two 20 ~ 50:50 ~ 80.
Described anti-static function material is nano stibium doped tin oxide (ATO), and by surface modification treatment, particle diameter is 80 ~ 500nm.
The preparation method of described a kind of Biodegradable polyester/recycled polyester sheath core fiber, comprises the following steps:
(1) surface modification treatment of anti-static function materials A TO, detailed process is: by calgon ((NaPO 3) 6), silane coupler (KH550) and deionized water add in container, then added gradually wherein by nano ATO, under room temperature, sonic oscillation stirs 30min simultaneously; Under 150rad/min rotating speed stirs, in 70 DEG C of water-baths, constant temperature refluxes 4 hours; Products therefrom through suction filtration and in 85 DEG C of vacuum drying ovens dry 24 hours, completes the surface modification treatment of ATO; (NaPO 3) 62 ~ 6wt% of nano ATO is accounted for altogether, wherein (NaPO with KH550 3) 650% ratio is respectively accounted for again with KH550.
(2) PBAT section and recycled polyester section are carried out vacuum drum drying respectively, the baking temperature of wherein PBAT section is 90 ~ 110 DEG C, and drying time is 24 ~ 48 hours; The baking temperature of recycled polyester section is 140 ~ 160 DEG C, and drying time is 8 ~ 12 hours; Moisture content after two kinds of chip dryings is all less than 50ppm.
(3) melt extrude sending in double screw extruder after the ATO mixing after dried PBAT section and surface modification treatment, temperature is 230 ~ 260 DEG C, obtains cortex spinning melt; Dried recycled polyester section sent in single screw extrusion machine and melt extrude, temperature is 270 ~ 280 DEG C, obtains sandwich layer spinning melt.
(4) by cortex and sandwich layer spinning melt respectively after respective measuring pump metering, send into composite spinning casing, carry out spinning through core-skin type composite spining module; Cortex spinning temperature is 240-260 DEG C, and sandwich layer spinning temperature is 275-285 DEG C.
Compared with prior art, the present invention has following beneficial effect:
A kind of Biodegradable polyester/recycled polyester sheath core fiber that the present invention obtains, cortex PBAT fiber has biodegradable performance, and sandwich layer adopts the recycled polyester of recyclable regenerative, and greatly reducing product cost, is the fiber of a kind of economy and environmental protection.
The present invention adopts nano ATO as anti-static function material, consumption is few, obtained sheath core fiber is light color and has good antistatic effect, and good mechanical property and resilience, soft, can with cotton, hair and other synthetic fiber blending, the fields such as family is spun, blanket series products can be widely used in.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.Should be appreciated that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
Carry out surface modification treatment to anti-static function materials A TO, detailed process is: by calgon ((NaPO 3) 6), silane coupler (KH550) and deionized water add in container, then added gradually wherein by nano ATO, under room temperature, sonic oscillation stirs 30min simultaneously; Under 150rad/min rotating speed stirs, in 70 DEG C of water-baths, constant temperature refluxes 4 hours; Products therefrom through suction filtration and in 85 DEG C of vacuum drying ovens dry 24 hours, completes the surface modification treatment of ATO; Wherein, (NaPO 3) 6account for the 1wt% of ATO, KH550 accounts for the 1wt% of ATO.
PBAT section and recycled polyester section are carried out vacuum drum drying respectively, and the baking temperature of wherein PBAT section is 90 DEG C, and drying time is 48 hours; The baking temperature of recycled polyester section is 140 DEG C, and drying time is 12 hours; Moisture content after two kinds of chip dryings is all less than 50ppm.
The mass ratio that described PBAT section and recycled polyester are cut into slices is 20:80.
Melt extrude sending in double screw extruder after the ATO mixing after dried PBAT section and surface modification treatment, temperature is 230 DEG C, obtains cortex spinning melt; ATO content wherein after surface modification treatment is the 1wt% of PBAT.
Dried recycled polyester section sent in single screw extrusion machine and melt extrude, temperature is 270 DEG C, obtains sandwich layer spinning melt.
By cortex and sandwich layer spinning melt respectively after respective measuring pump metering, send into composite spinning casing, carry out spinning through core-skin type composite spining module, then through lateral blowing, oil, the operation such as winding obtains core-sheath compound fibre; Cortex spinning temperature is 240 DEG C, and sandwich layer spinning temperature is 275 DEG C.
Embodiment 2
Carry out surface modification treatment to anti-static function materials A TO, detailed process is: by calgon ((NaPO 3) 6), silane coupler (KH550) and deionized water add in container, then added gradually wherein by nano ATO, under room temperature, sonic oscillation stirs 30min simultaneously; Under 150rad/min rotating speed stirs, in 70 DEG C of water-baths, constant temperature refluxes 4 hours; Products therefrom through suction filtration and in 85 DEG C of vacuum drying ovens dry 24 hours, completes the surface modification treatment of ATO; Wherein, (NaPO 3) 6account for the 2wt% of ATO, KH550 accounts for the 2wt% of ATO.
PBAT section and recycled polyester section are carried out vacuum drum drying respectively, and the baking temperature of wherein PBAT section is 90 DEG C, and drying time is 48 hours; The baking temperature of recycled polyester section is 150 DEG C, and drying time is 10 hours; Moisture content after two kinds of chip dryings is all less than 50ppm.
The mass ratio that described PBAT section and recycled polyester are cut into slices is 30:70.
Melt extrude sending in double screw extruder after the ATO mixing after dried PBAT section and surface modification treatment, temperature is 240 DEG C, obtains cortex spinning melt; ATO content wherein after surface modification treatment is the 2wt% of PBAT.
Dried recycled polyester section sent in single screw extrusion machine and melt extrude, temperature is 275 DEG C, obtains sandwich layer spinning melt.
By cortex and sandwich layer spinning melt respectively after respective measuring pump metering, send into composite spinning casing, carry out spinning through core-skin type composite spining module, then through lateral blowing, oil, the operation such as winding obtains core-sheath compound fibre; Cortex spinning temperature is 250 DEG C, and sandwich layer spinning temperature is 280 DEG C.
Embodiment 3
Carry out surface modification treatment to anti-static function materials A TO, detailed process is: by calgon ((NaPO 3) 6), silane coupler (KH550) and deionized water add in container, then added gradually wherein by nano ATO, under room temperature, sonic oscillation stirs 30min simultaneously; Under 150rad/min rotating speed stirs, in 70 DEG C of water-baths, constant temperature refluxes 4 hours; Products therefrom through suction filtration and in 85 DEG C of vacuum drying ovens dry 24 hours, completes the surface modification treatment of ATO; Wherein, (NaPO 3) 6account for the 2.5wt% of ATO, KH550 accounts for the 2.5wt% of ATO.
PBAT section and recycled polyester section are carried out vacuum drum drying respectively, and the baking temperature of wherein PBAT section is 100 DEG C, and drying time is 36 hours; The baking temperature of recycled polyester section is 160 DEG C, and drying time is 8 hours; Moisture content after two kinds of chip dryings is all less than 50ppm.
The mass ratio that described PBAT section and recycled polyester are cut into slices is 40:60.
Melt extrude sending in double screw extruder after the ATO mixing after dried PBAT section and surface modification treatment, temperature is 250 DEG C, obtains cortex spinning melt; ATO content wherein after surface modification treatment is the 3wt% of PBAT.
Dried recycled polyester section sent in single screw extrusion machine and melt extrude, temperature is 278 DEG C, obtains sandwich layer spinning melt.
By cortex and sandwich layer spinning melt respectively after respective measuring pump metering, send into composite spinning casing, carry out spinning through core-skin type composite spining module, then through lateral blowing, oil, the operation such as winding obtains core-sheath compound fibre; Cortex spinning temperature is 255 DEG C, and sandwich layer spinning temperature is 280 DEG C.
Embodiment 4
Carry out surface modification treatment to anti-static function materials A TO, detailed process is: by calgon ((NaPO 3) 6), silane coupler (KH550) and deionized water add in container, then added gradually wherein by nano ATO, under room temperature, sonic oscillation stirs 30min simultaneously; Under 150rad/min rotating speed stirs, in 70 DEG C of water-baths, constant temperature refluxes 4 hours; Products therefrom through suction filtration and in 85 DEG C of vacuum drying ovens dry 24 hours, completes the surface modification treatment of ATO; Wherein, (NaPO 3) 6account for the 3wt% of ATO, KH550 accounts for the 3wt% of ATO.
PBAT section and recycled polyester section are carried out vacuum drum drying respectively, and the baking temperature of wherein PBAT section is 110 DEG C, and drying time is 24 hours; The baking temperature of recycled polyester section is 160 DEG C, and drying time is 8 hours; Moisture content after two kinds of chip dryings is all less than 50ppm.
The mass ratio that described PBAT section and recycled polyester are cut into slices is 50:50.
Melt extrude sending in double screw extruder after the ATO mixing after dried PBAT section and surface modification treatment, temperature is 260 DEG C, obtains cortex spinning melt; ATO content wherein after surface modification treatment is the 4wt% of PBAT.
Dried recycled polyester section sent in single screw extrusion machine and melt extrude, temperature is 280 DEG C, obtains sandwich layer spinning melt.
By cortex and sandwich layer spinning melt respectively after respective measuring pump metering, send into composite spinning casing, carry out spinning through core-skin type composite spining module, then through lateral blowing, oil, the operation such as winding obtains core-sheath compound fibre; Cortex spinning temperature is 260 DEG C, and sandwich layer spinning temperature is 285 DEG C.

Claims (3)

1. Biodegradable polyester/recycled polyester sheath core fiber, is characterized in that: described fiber is made up of cortex and sandwich layer; Cortex is by gathering adipic acid/mutual-phenenyl two acid bromide two alcohol ester (PBAT) and anti-static function material forms, and wherein the content of anti-static function material is the 1 ~ 4wt% of PBAT; Sandwich layer is recycled polyester; Described cortex and sandwich layer mass ratio is between the two 20 ~ 50:50 ~ 80.
2. a kind of Biodegradable polyester/recycled polyester sheath core fiber according to claim 1, it is characterized in that: the anti-static function material in described cortex is nano stibium doped tin oxide (ATO), by surface modification treatment, particle diameter is 80 ~ 500nm.
3. a preparation method for Biodegradable polyester/recycled polyester sheath core fiber, is characterized in that: comprise the following steps:
(1) surface modification treatment of anti-static function materials A TO, detailed process is: by calgon ((NaPO 3) 6), silane coupler (KH550) and deionized water add in container, then added gradually wherein by nano ATO, under room temperature, sonic oscillation stirs 30min simultaneously; Under 150rad/min rotating speed stirs, in 70 DEG C of water-baths, constant temperature refluxes 4 hours; Products therefrom through suction filtration and in 85 DEG C of vacuum drying ovens dry 24 hours, completes the surface modification treatment of ATO; (NaPO 3) 62 ~ 6wt% of nano ATO is accounted for altogether, wherein (NaPO with KH550 3) 650% ratio is respectively accounted for again with KH550;
(2) PBAT section and recycled polyester section are carried out vacuum drum drying respectively, the baking temperature of wherein PBAT section is 90 ~ 110 DEG C, and drying time is 24 ~ 48 hours; The baking temperature of recycled polyester section is 140 ~ 160 DEG C, and drying time is 8 ~ 12 hours; Moisture content after two kinds of chip dryings is all less than 50ppm;
(3) melt extrude sending in double screw extruder after the ATO mixing after dried PBAT section and surface modification treatment, temperature is 230 ~ 260 DEG C, obtains cortex spinning melt; Dried recycled polyester section sent in single screw extrusion machine and melt extrude, temperature is 270 ~ 280 DEG C, obtains sandwich layer spinning melt;
(4) by cortex and sandwich layer spinning melt respectively after respective measuring pump metering, send into composite spinning casing, carry out spinning through core-skin type composite spining module; Cortex spinning temperature is 240-260 DEG C, and sandwich layer spinning temperature is 275-285 DEG C.
CN201510144131.1A 2015-03-31 2015-03-31 Biodegradable polyester/recycled polyester sheath-core fiber and preparation method thereof Pending CN104762695A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106245155A (en) * 2016-08-02 2016-12-21 厦门安踏体育用品有限公司 Anti-static polyester fiber and manufacture method thereof, and antistatic compounds microgranule
CN108754670A (en) * 2018-05-03 2018-11-06 昆山保扬新型材料科技有限公司 A kind of fluorescence fire resistance fibre and preparation method thereof
CN111020727A (en) * 2019-12-18 2020-04-17 晋江市远祥服装织造有限公司 Chitosan antibacterial fabric and preparation method and product thereof
US10858512B1 (en) 2019-08-13 2020-12-08 Everywhere Apparel Inc. Biodegradable textile yarn and textile made from recycled materials
CN112981707A (en) * 2021-02-04 2021-06-18 南京禾素时代抗菌材料科技有限公司 Preparation method of antibacterial, antiviral and mildewproof polyester spunlace nonwoven fabric containing PHBV material
CN113818102A (en) * 2021-09-29 2021-12-21 苏州大学 Multifunctional regenerated composite polyester fiber and preparation method thereof
CN114250528A (en) * 2021-12-23 2022-03-29 台州益普高分子材料有限公司 Environment-friendly coated yarn based on biological material and preparation method thereof
CN114717685A (en) * 2022-02-22 2022-07-08 浙江安顺化纤有限公司 Preparation method of PBAT short fiber
CN114717679A (en) * 2022-02-22 2022-07-08 浙江安顺化纤有限公司 Antibacterial PBAT short fiber and application thereof
CN116196698A (en) * 2023-02-22 2023-06-02 苏州大学 Efficient antibacterial multifunctional bi-component melt-blown filter material and preparation method and application thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106245155A (en) * 2016-08-02 2016-12-21 厦门安踏体育用品有限公司 Anti-static polyester fiber and manufacture method thereof, and antistatic compounds microgranule
CN106245155B (en) * 2016-08-02 2019-04-30 厦门安踏体育用品有限公司 Anti-static polyester fiber and its manufacturing method and antistatic compounding particle
CN108754670A (en) * 2018-05-03 2018-11-06 昆山保扬新型材料科技有限公司 A kind of fluorescence fire resistance fibre and preparation method thereof
US10858512B1 (en) 2019-08-13 2020-12-08 Everywhere Apparel Inc. Biodegradable textile yarn and textile made from recycled materials
CN111020727A (en) * 2019-12-18 2020-04-17 晋江市远祥服装织造有限公司 Chitosan antibacterial fabric and preparation method and product thereof
CN112981707A (en) * 2021-02-04 2021-06-18 南京禾素时代抗菌材料科技有限公司 Preparation method of antibacterial, antiviral and mildewproof polyester spunlace nonwoven fabric containing PHBV material
CN113818102A (en) * 2021-09-29 2021-12-21 苏州大学 Multifunctional regenerated composite polyester fiber and preparation method thereof
CN114250528A (en) * 2021-12-23 2022-03-29 台州益普高分子材料有限公司 Environment-friendly coated yarn based on biological material and preparation method thereof
CN114250528B (en) * 2021-12-23 2023-08-04 台州益普高分子材料有限公司 Environment-friendly coated yarn based on biological material and preparation method thereof
CN114717685A (en) * 2022-02-22 2022-07-08 浙江安顺化纤有限公司 Preparation method of PBAT short fiber
CN114717679A (en) * 2022-02-22 2022-07-08 浙江安顺化纤有限公司 Antibacterial PBAT short fiber and application thereof
CN116196698A (en) * 2023-02-22 2023-06-02 苏州大学 Efficient antibacterial multifunctional bi-component melt-blown filter material and preparation method and application thereof
CN116196698B (en) * 2023-02-22 2023-12-15 苏州大学 Efficient antibacterial multifunctional bi-component melt-blown filter material and preparation method and application thereof

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