CN102926090A - Imitation cotton feeling knitted fabric and preparation method thereof - Google Patents
Imitation cotton feeling knitted fabric and preparation method thereof Download PDFInfo
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- CN102926090A CN102926090A CN2012104464148A CN201210446414A CN102926090A CN 102926090 A CN102926090 A CN 102926090A CN 2012104464148 A CN2012104464148 A CN 2012104464148A CN 201210446414 A CN201210446414 A CN 201210446414A CN 102926090 A CN102926090 A CN 102926090A
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Abstract
The invention relates to an imitation cotton feeling knitted fabric and a preparation method of the imitation cotton feeling knitted fabric. The imitation cotton feeling knitted fabric is woven by warps and wefts. The warps and the wefts are yarns containing full biomass polyester. Material components of the yarns containing the full biomass polyester comprise, by mass, bio-based PDT fiber 1-5% and the balance full biomass polyester fiber. The imitation cotton feeling knitted fabric is interwoven by the warps and the wefts, and the warps and the wefts are the yarns containing the full biomass polyester. According to the imitation cotton feeling knitted fabric and the preparation method of the imitation cotton feeling knitted fabric, existing equipment can be utilized to carry out large-scale production, and the economic benefit and the social benefit are enlarged. The yarns prepared by utilizing bio-based fiber are good in consistency with a human body, and meets requirements for health and environment protection.
Description
Technical field
The present invention relates to biomass polyester fibre technology field, specifically, is a kind of imitative cotton sense knit fabric and preparation method thereof.
Background technology
Along with the development of global economy, the demand of oil is growing, and petroleum resources successively decrease day by day, and contradiction between oil supply and demand increasingly sharpens, and the war of contention oil grows in intensity.The whole world is all living resources inexhaustible on the earth make great efforts to study, exploration in order to utilize.Utilize reproducible biomass resource, development bio-based chemical industry, the petroleum replacing chemical products are the only ways that solve resource and energy crisis, are the important channels of sustainable development.Therefore, exploitation can reduce or the raw material of petroleum replacing are very important research directions.
The polyester dacron fiber itself has excellent performance and cheap price, it is the fiber species the most representative in China's three large synthetic fiber, that output is maximum, and its main raw material ethylene glycol originally derives from the petroleum industry product, therefore, angle from the industry sustainable development, essential new material and the new technology of seeking energy petroleum replacing ethyl glycol makes PET industry can effectively evade the price risk of petrochemical material continuous rise.
Polyethylene terephthalate (PET) has in fields such as packaging material, film, engineering plastics, clothes very widely to be used, because the raw material of producing PET all derives from the processed goods of oil, not only bring environmental problem, and along with the rise of oil price, the pressure of China's chemical fibre industry is increasing.Therefore, a kind of living beings raw material of oil that replace of exploitation seem most important.Because bio-based 2,5-furans diacid can make by catalytic cracking reaction behind the biomass ferments such as maize straw, and bio-based 2, the chemical constitution of 5-furans diacid and the structure of terephthalic acid (TPA) are closely similar, therefore can be with bio-based 2,5-furans two acid substitution terephthalic acid (TPA)s carry out polymerisation.In addition, E.I.Du Pont Company is by fermenting to corn, through biology and chemical process, make 1, ammediol has been developed the polytrimethylene terephthalate (PTT) that contains the 36wt% that has an appointment and derive from living beings, and successful application is to fields such as clothes, film, engineering plastics.
Ethylene glycol is the important source material of synthetic PET, and at present industrial oxirane direct hydration method or the ethene synthetic methods of adopting are produced more.Production cost is high, and consumes a large amount of raw material and the energy, generates a lot of accessory substances.China is large agricultural country, and abundant living resources are arranged.Macromolecular polysaccharide in the renewable resources such as the plant residues such as agricultural crop straw, husk, corncob is converted into the derivatives such as fermentable sugars, fermentation organic acid and biological multielement alcohol with chemical degradation or biodegradable method.Take these tunnings as starting monomer, synthetic living beings macromolecular material can be saved more petroleum resources to greatest extent fully, promotes the development of recycling economy.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of imitative cotton sense knit fabric and preparation method thereof is provided.
The objective of the invention is to be achieved through the following technical solutions:
A kind of imitative cotton is felt knit fabric, and being interweaved with weaving by warp thread and weft yarn forms;
Described warp thread and weft yarn are the yarn that contains the full biomass polyester, and its raw material components mass percent is:
Bio-based PDT fiber 1～5%
Full biomass polyester fiber surplus.
The percentage by weight of described full biomass polyester fiber is preferably 97%.
A kind of yarn that contains the full biomass polyester mixes spinning by bio-based PDT fiber and full biomass polyester fiber and forms.
The application of a kind of imitative cotton sense knit fabric in clothes.
A kind of preparation method of full biomass polyester fiber is characterized in that, melt spinning is carried out in the biomass polyester section, obtains the biomass polyester fiber.Wherein, spinning technique is: wherein spinning temperature is 270～300 ℃, and spinning speed is 800～1500m/min, draft temperature is 60～80 ℃, the predraft multiplying power is 1.02～1.10, and one stretching ratio is that 2.80～3.20, two road stretching ratios are 1.05～1.15.
A kind of preparation method of full biomass polyester slice, its concrete steps are:
(1) bio-based ethylene glycol and bio-based 1,3-PD are configured to the bio-based polyols blend according to the mass ratio of 1:0.1～10;
(2) with bio-based 2,5-furans diacid and bio-based polyols blend are mixed with slurry according to the mass ratio of 1:1.05～1.5;
(3) slurry that configures is added reaction kettle of the esterification and carry out esterification;
(4) at last the mixture of esterification is carried out polycondensation reaction, make biomass polyester through polycondensation reaction; Cut into slices again, can obtain the full biomass polyester slice.
As preferred technical scheme:
Wherein, the composition of the bio-based ethylene glycol that uses in the present invention is ethylene glycol, 1,2-propylene glycol, 1,2-butanediol, pentanediol, sorbierite, wherein: 1,2-propylene glycol mass fraction is 0.4～5%, the mass fraction of 1,2-butanediol is 0.2～2%, and the mass fraction of pentanediol is 0.1～2%, the mass fraction of sorbierite is 0.1～1%, and ethylene glycol is surplus.
The temperature of described polycondensation reaction remains on 260～290 ℃; Described polycondensation reaction continues 2～6h.
Described esterification adds Titanium series catalyst and/or antimony-based catalyst, and addition is 120～550ppm, and radix is described bio-based 2, the quality of 5-furans diacid.
Described Titanium series catalyst is titanium dioxide, butyl titanate etc.;
Described antimony-based catalyst is antimonous oxide, antimony acetate and antimony glycol etc.
Described esterification also adds described bio-based 2, heat stabilizer and the described bio-based 2 of 5-furans diacid 0.001～0.02wt%, the antioxidant of 5-furans diacid 0.001～0.03wt%.
Antioxidant is antioxidant 1010, antioxidant 168 or antioxidant 616 one of them or its mixture; Described heat stabilizer is one of them or its mixture such as trimethyl phosphate, alkyl phosphoric acid diester, three (nonyl phenyl) phosphite ester.
Compared with prior art, good effect of the present invention is:
(1) bio-based polyester raw material bio-based ethylene glycol of the present invention and bio-based 1,3-PD are made by biofermentation, purification, have replaced traditional petroleum base ethylene glycol, are conducive to environmental protection and sustainable development;
(2) bio-based polyester raw material bio-based ethylene glycol of the present invention contains a certain amount of bio-based 1,3-PD, 1, contain 1 methylene in the ammediol, the existence of 1,3-PD has increased the compliance of polyester macromolecule segment, reduce the fusing point of polyester, improved the hydrophily of polyester.
(3) the present invention utilizes existing equipment can carry out large-scale production, has enlarged economic benefit and social benefit.
(4) the present invention utilizes the yarn of bio-based fiber preparation, and is better with the compatibility of human body, meets the requirement of health environment-friendly.
The specific embodiment
A kind of imitative cotton sense knit fabric of the present invention and preparation method thereof the specific embodiment below is provided.
Embodiment 1
A kind of imitative cotton sense knit fabric, its raw material components is:
Bio-based PDT fiber 1%
Full biomass polyester fiber 99%
A kind of imitative cotton sense knit fabric mixes spinning by bio-based PDT fiber and full biomass polyester fiber and forms.
A kind of preparation method of full biomass polyester fiber is characterized in that, the full biomass polyester slice is carried out melt spinning, obtains the full biomass polyester fiber.Wherein, spinning technique is: wherein spinning temperature is 270～300 ℃, and spinning speed is 800～1500m/min, draft temperature is 60～80 ℃, the predraft multiplying power is 1.02～1.10, and one stretching ratio is that 2.80～3.20, two road stretching ratios are 1.05～1.15.
A kind of preparation method of full biomass polyester slice, its concrete steps are:
(1) bio-based ethylene glycol and bio-based 1,3-PD are configured to the bio-based polyols blend according to the mass ratio of 1:0.1;
(2) with bio-based 2,5-furans diacid and bio-based polyols blend are mixed with slurry according to the mass ratio of 1:1.05;
(3) slurry that configures is added reaction kettle of the esterification and carry out esterification;
(4) at last the mixture of esterification is carried out polycondensation reaction, make biomass polyester through polycondensation reaction; Cut into slices again, can obtain the full biomass polyester slice.
As preferred technical scheme:
Wherein, the composition of the bio-based ethylene glycol that uses in the present invention is ethylene glycol, 1,2-propylene glycol, 1,2-butanediol, pentanediol, sorbierite, wherein: 1,2-propylene glycol mass fraction is 0.4～5%, the mass fraction of 1,2-butanediol is 0.2～2%, and the mass fraction of pentanediol is 0.1～2%, the mass fraction of sorbierite is 0.1～1%, and ethylene glycol is surplus.
The temperature of described polycondensation reaction remains on 260～290 ℃; Described polycondensation reaction continues 2～6h.
Described esterification adds Titanium series catalyst and/or antimony-based catalyst, and addition is 120～550ppm, and radix is described bio-based 2, the quality of 5-furans diacid.
Described Titanium series catalyst is titanium dioxide, butyl titanate etc.;
Described antimony-based catalyst is antimonous oxide, antimony acetate and antimony glycol etc.
Described esterification also adds described bio-based 2, heat stabilizer and the described bio-based 2 of 5-furans diacid 0.001～0.02wt%, the antioxidant of 5-furans diacid 0.001～0.03wt%.
Antioxidant is antioxidant 1010, antioxidant 168 or antioxidant 616 one of them or its mixture; Described heat stabilizer is one of them or its mixture such as trimethyl phosphate, alkyl phosphoric acid diester, three (nonyl phenyl) phosphite ester.
Embodiment 2
A kind of imitative cotton sense knit fabric, its raw material components is:
Bio-based PDT fiber 3%
Full biomass polyester fiber 97%
A kind of yarn that contains the full biomass polyester mixes spinning by bio-based PDT fiber and full biomass polyester fiber and forms.
A kind of preparation method of full biomass polyester fiber is characterized in that, the full biomass polyester slice is carried out melt spinning, obtains the full biomass polyester fiber.Wherein, spinning technique is: wherein spinning temperature is 270～300 ℃, and spinning speed is 800～1500m/min, draft temperature is 60～80 ℃, the predraft multiplying power is 1.02～1.10, and one stretching ratio is that 2.80～3.20, two road stretching ratios are 1.05～1.15.
A kind of preparation method of full biomass polyester slice, its concrete steps are:
(1) bio-based ethylene glycol and bio-based 1,3-PD are configured to the bio-based polyols blend according to the mass ratio of 1:5;
(2) with bio-based 2,5-furans diacid and bio-based polyols blend are mixed with slurry according to the mass ratio of 1:1.25;
(3) slurry that configures is added reaction kettle of the esterification and carry out esterification;
(4) at last the mixture of esterification is carried out polycondensation reaction, make biomass polyester through polycondensation reaction; Cut into slices again, can obtain the full biomass polyester slice.
As preferred technical scheme:
Wherein, the composition of the bio-based ethylene glycol that uses in the present invention is ethylene glycol, 1,2-propylene glycol, 1,2-butanediol, pentanediol, sorbierite, wherein: 1,2-propylene glycol mass fraction is 0.4～5%, the mass fraction of 1,2-butanediol is 0.2～2%, and the mass fraction of pentanediol is 0.1～2%, the mass fraction of sorbierite is 0.1～1%, and ethylene glycol is surplus.
The temperature of described polycondensation reaction remains on 260～290 ℃; Described polycondensation reaction continues 2～6h.
Described esterification adds Titanium series catalyst and/or antimony-based catalyst, and addition is 120～550ppm, and radix is described bio-based 2, the quality of 5-furans diacid.
Described Titanium series catalyst is titanium dioxide, butyl titanate etc.;
Described antimony-based catalyst is antimonous oxide, antimony acetate and antimony glycol etc.
Described esterification also adds described bio-based 2, heat stabilizer and the described bio-based 2 of 5-furans diacid 0.001～0.02wt%, the antioxidant of 5-furans diacid 0.001～0.03wt%.
Antioxidant is antioxidant 1010, antioxidant 168 or antioxidant 616 one of them or its mixture; Described heat stabilizer is one of them or its mixture such as trimethyl phosphate, alkyl phosphoric acid diester, three (nonyl phenyl) phosphite ester.
Embodiment 3
A kind of imitative cotton sense knit fabric, its raw material components is:
Bio-based PDT fiber 5%
Full biomass polyester fiber 95%
A kind of yarn that contains the full biomass polyester mixes spinning by bio-based PDT fiber and full biomass polyester fiber and forms.
A kind of preparation method of full biomass polyester fiber is characterized in that, melt spinning is carried out in the biomass polyester section, obtains the full biomass polyester fiber.Wherein, spinning technique is: wherein spinning temperature is 270～300 ℃, and spinning speed is 800～1500m/min, draft temperature is 60～80 ℃, the predraft multiplying power is 1.02～1.10, and one stretching ratio is that 2.80～3.20, two road stretching ratios are 1.05～1.15.
A kind of preparation method of full biomass polyester slice, its concrete steps are:
(1) bio-based ethylene glycol and bio-based 1,3-PD are configured to the bio-based polyols blend according to the mass ratio of 1:10;
(2) with bio-based 2,5-furans diacid and bio-based polyols blend are mixed with slurry according to the mass ratio of 1:1.5;
(3) slurry that configures is added reaction kettle of the esterification and carry out esterification;
(4) at last the mixture of esterification is carried out polycondensation reaction, make biomass polyester through polycondensation reaction; Cut into slices again, can obtain the full biomass polyester slice.
As preferred technical scheme:
Wherein, the composition of the bio-based ethylene glycol that uses in the present invention is ethylene glycol, 1,2-propylene glycol, 1,2-butanediol, pentanediol, sorbierite, wherein: 1,2-propylene glycol mass fraction is 0.4～5%, the mass fraction of 1,2-butanediol is 0.2～2%, and the mass fraction of pentanediol is 0.1～2%, the mass fraction of sorbierite is 0.1～1%, and ethylene glycol is surplus.
The temperature of described polycondensation reaction remains on 260～290 ℃; Described polycondensation reaction continues 2～6h.
Described esterification adds Titanium series catalyst and/or antimony-based catalyst, and addition is 120～550ppm, and radix is described bio-based 2, the quality of 5-furans diacid.
Described Titanium series catalyst is titanium dioxide, butyl titanate etc.;
Described antimony-based catalyst is antimonous oxide, antimony acetate and antimony glycol etc.
Described esterification also adds described bio-based 2, heat stabilizer and the described bio-based 2 of 5-furans diacid 0.001～0.02wt%, the antioxidant of 5-furans diacid 0.001～0.03wt%.
Antioxidant is antioxidant 1010, antioxidant 168 or antioxidant 616 one of them or its mixture; Described heat stabilizer is one of them or its mixture such as trimethyl phosphate, alkyl phosphoric acid diester, three (nonyl phenyl) phosphite ester.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (8)
1. an imitative cotton sense knit fabric is characterized in that, described fabric is formed by warp thread and weft yarn braiding, and described warp thread and weft yarn are the yarn that contains the full biomass polyester, and its raw material components mass percent is:
Bio-based PDT fiber 1～5%
Full biomass polyester fiber surplus.
2. a kind of imitative cotton sense knit fabric as claimed in claim 1 is characterized in that, the percentage by weight of described full biomass polyester fiber is 97%.
3. a preparation method who realizes imitative cotton sense knit fabric claimed in claim 1 is characterized in that, the preparation method of described full biomass polyester fiber is: melt spinning is carried out in the biomass polyester section, obtain the biomass polyester fiber; Wherein, spinning technique is: wherein spinning temperature is 270～300 ℃, and spinning speed is 800～1500m/min, draft temperature is 60～80 ℃, the predraft multiplying power is 1.02～1.10, and one stretching ratio is that 2.80～3.20, two road stretching ratios are 1.05～1.15.
4. a kind of preparation method who realizes imitative cotton sense knit fabric claimed in claim 1 as claimed in claim 3 is characterized in that, the preparation method of described full biomass polyester slice, and its concrete steps are:
(1) bio-based ethylene glycol and bio-based 1,3-PD are configured to the bio-based polyols blend according to the mass ratio of 1:0.1～10;
(2) with bio-based 2,5-furans diacid and bio-based polyols blend are mixed with slurry according to the mass ratio of 1:1.05～1.5;
(3) slurry that configures is added reaction kettle of the esterification and carry out esterification;
(4) at last the mixture of esterification is carried out polycondensation reaction, make biomass polyester through polycondensation reaction; Cut into slices again, can obtain the full biomass polyester slice.
5. the preparation method of imitative cotton sense knit fabric as claimed in claim 4 is characterized in that, wherein, the composition of the bio-based ethylene glycol that uses in the present invention is ethylene glycol, 1,2-propylene glycol, 1,2-butanediol, pentanediol, sorbierite, wherein: 1,2-propylene glycol mass fraction is 0.4～5%, the mass fraction of 1,2-butanediol is 0.2～2%, and the mass fraction of pentanediol is 0.1～2%, the mass fraction of sorbierite is 0.1～1%, and ethylene glycol is surplus.
6. imitative cotton as claimed in claim 4 is felt the preparation method of knit fabric,, it is characterized in that, the temperature of described polycondensation reaction remains on 260～290 ℃; Described polycondensation reaction continues 2～6h.
7. the preparation method of imitative cotton sense knit fabric as claimed in claim 4 is characterized in that, described esterification adds Titanium series catalyst and/or antimony-based catalyst, and addition is 120～550ppm, and radix is described bio-based 2, the quality of 5-furans diacid.
8. imitative cotton as claimed in claim 7 is felt the preparation method of knit fabric, it is characterized in that, described esterification also adds described bio-based 2, heat stabilizer and the described bio-based 2 of 5-furans diacid 0.001～0.02wt%, the antioxidant of 5-furans diacid 0.001～0.03wt%.
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| CN107513806A (en) * | 2017-10-10 | 2017-12-26 | 江苏大生集团有限公司 | Biomass fiber blending four sides elasticity fabric and its production method |
| CN107915833A (en) * | 2017-11-13 | 2018-04-17 | 东华大学 | A kind of fibre-grade bio-based polyester and preparation method thereof |
| CN110453358A (en) * | 2019-08-21 | 2019-11-15 | 宁波大千纺织品有限公司 | A kind of preparation method of easypro bullet knitting fabric |
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Application publication date: 20130213 |