CN104231570A - PET permanent anti-static coiled material - Google Patents
PET permanent anti-static coiled material Download PDFInfo
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- CN104231570A CN104231570A CN201410483133.9A CN201410483133A CN104231570A CN 104231570 A CN104231570 A CN 104231570A CN 201410483133 A CN201410483133 A CN 201410483133A CN 104231570 A CN104231570 A CN 104231570A
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- polyethylene terephthalate
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Abstract
The invention discloses a PET (Polyethylene Terephthalate) permanent anti-static coiled material. The PET permanent anti-static coiled material is prepared from the following materials by mass percent: 2-3% of polyquinoline, 1-2% of a nickel-plated graphite fiber, 0.1-0.3% of a dispersing agent, and the balance of polyethylene terephthalate. In the invention, during the molding phase of PET, the permanent anti-static material with a function-improved additive is added to the raw material of PET, so that the produced PET can perform a more remarkable, uniform and stable permanent anti-static performance. Compared with the method that the permanent anti-static agent is coated on the PET of the finished product, the technology is simple in operation, low in cost, and capable of preparing the PET permanent anti-static coiled material with more stable structure; even if a local part is accidently damaged, the permanent anti-static performance of the whole structure cannot be influenced.
Description
Technical field
The present invention relates to a kind of macromolecule membrane, particularly a kind of PET coiled material with permanent anti-static ability.
Background technology
Polyethylene terephthalate, English name polyethylene terephthalate, be called for short PET, it is generally by ethylene glycol terephthalate generation dehydration condensation, PET is oyster white or polymkeric substance that is light yellow, highly crystalline, and surface smoothing is glossy.In wide temperature range, have excellent physical and mechanical properties, life-time service temperature can reach 120 DEG C, and electrical insulating property is excellent, even under high-temperature high-frequency, its electrical property is still better, but corona resistance is poor, creep resistance, resistance to fatigue, rub resistance, dimensional stability are all fine.
There is the PET material of some improved functionals in the market, as anti-scratch PET, highlighted PET, antistatic PET etc., just for antistatic PET, along with being widely current of electronic product, the rate of utilization of macromolecule membrane is more and more higher, and the static voltage value of part superpolymer friction is large, there is potential safety hazard.Existing technique is all at the antistatic coating such as common PET surface coated ATO (tindioxide of Sb doped), Polythiophene, carbon black or graphite, but such material also has weak point: antistatic property is still undistinguished, be destroyed once ATO coating or at coating crawling, then the antistatic effect of its finished product can be caused to have a greatly reduced quality; The problem of oxidizable inefficacy is there is after the coating life-time service of Polythiophene type; In addition, processing step is many, and this cost both having added enterprise undoubtedly drops into, and also has higher more harsh requirement to its production process, reduces the scrap rate of product with this.
Summary of the invention
For the deficiencies in the prior art part, conducting polymer composite and inorganic antistatic material organically combine by the present invention, are intended to the compound PET permanent anti-static coiled material obtaining combining together with static inhibitor.
Technical scheme of the present invention is summarized as follows:
A kind of PET permanent anti-static coiled material, composition of raw materials is made up of the material of following mass percentage:
Poly quinoline 2% ~ 3%;
Ni-coated graphite fiber 1% ~ 2%;
Dispersion agent 0.1% ~ 0.3%;
Surplus is polyethylene terephthalate.
Preferably, described PET permanent anti-static coiled material, the component of described dispersion agent is: the polyvinylpyrrolidone of 80 ~ 90wt% and the polydimethyl siloxane fluid of 10 ~ 20wt%.
Preferably, described PET permanent anti-static coiled material, composition of raw materials is made up of the material of following mass percentage:
Surplus is polyethylene terephthalate.
Preferably, described PET permanent anti-static coiled material, composition of raw materials is made up of the material of following mass percentage:
Surplus is polyethylene terephthalate.
Preferably, described PET permanent anti-static coiled material, the particle diameter of described copper nanoparticle is 500 ~ 600 orders, and the particle diameter of nano silicon is 500 ~ 600 orders.
The invention has the beneficial effects as follows: just the additive permanent anti-static material with function improvement is joined in the raw material of PET at the formative stage of PET and go, the PET produced is made to have remarkably evenly stable permanent antistatic performance, permanent anti-static agent is coated with compared on finished product PET, this technological operation is simple, with low cost, obtained PET permanent anti-static web construction is more stable, even if the unexpected impaired permanent antistatic performance also not affecting entirety in local.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, can implement according to this with reference to specification sheets word to make those skilled in the art.
A kind of PET permanent anti-static coiled material, before PET is shaping, by being added in PET monomer by permanent anti-static agent, obtain the PET coiled material with permanent antistatic performance, the composition of raw materials of such PET coiled material is made up of the material of following mass percentage:
Surplus is polyethylene terephthalate.
Macromolecular material is the excellent material of electrical insulating property mostly, its surface resistivity > 10
14Ω, macromolecular compound is mostly hydrophobic material, not easily adsorption moisture and reduce surface resistivity from environment, high polymer material all can produce electrostatic under the situations such as contact, fracture, stripping, friction, piezoelectricity, induction, gather a large amount of electric charge, cause static hazard, serious then can cause the accident such as fire, blast.
Poly quinoline belongs to structural macromolecule conducting material, and this type of conjugacy polymkeric substance is by forming the macromolecular material of high conductivity after adulterating.If this polymeric main makes the not localization (having conjugated double bond, π bonding electron in structure as current carrier) of the electronics in polymkeric substance, form electroconductibility by charge-exchange.Poly quinoline molecule compatibility is good, high temperature resistant, and good stability is not oxidizable, is therefore suitable as permanent anti-static material, blended with other polymer base materials, makes footing permanent antistatic material.
Ni-coated graphite fiber is a kind of filled-type inorganic metal class permanence antistatic additive, and its interpolation effectively can promote heat-shock resistance and the mechanical property of material itself, widely applicable, and has desirable dispersion effect in the macromolecular material of thickness.The Heat stability is good of Ni-coated graphite fiber, conductive capability is strong, surface resistivity > 10
7Ω.
Polyethylene oxide belongs to polyethers permanent antistatic agent, and its second-order transition temperature is lower, and the power capacity of molecular chain is strong, and Sauerstoffatom density is high, is convenient to transmit electronics, has good conductive capability.
Copper nanoparticle is a kind of metal filled type antistatic material, and conductivity is excellent, and copper powder is anti-oxidant, stable chemical nature, the structure of nanometer shape also contributes to copper powder and is dispersed into network-like in the polymer, improves the conductive capability of copper powder, thus the antistatic property of reinforced polymer products.
Nano silicon is a kind of filled-type half-metal oxide electro-conductive material, and its stable chemical nature is water insoluble and sour.Except as anti static additive, it can also promote the wear resistance of macromolecular material, physical strength and weathering resistance as ceramic metal class additive.
According to the feature of above different sorts permanent anti-static agent, simultaneously in order to give full play to the synergy between each static inhibitor, the consumption of each additive should strictly limit.Poly quinoline, Ni-coated graphite fiber and the consistency of polyethylene oxide in PET monomer good, poly quinoline and Ni-coated graphite fiber are the main additive of permanent anti-static, the content of poly quinoline is preferably 2wt% ~ 3wt%, the content of Ni-coated graphite fiber is preferably 1wt% ~ 2wt%, polyethylene oxide belongs to modified version antistatic auxiliary, it not necessary additive, its content is preferably 1wt% ~ 2wt%, copper nanoparticle and nano silicon are auxiliary type additives, it not necessary additive, consider their dispersive abilities in PET, its content must lower than the good anti static additive of other consistencies, the content of copper nanoparticle is preferably 0.6wt% ~ 0.8wt%, the particle diameter of copper nanoparticle is preferably 500 ~ 600 orders, the content of nano silicon is preferably 0.5wt% ~ 1.5wt%, and the particle diameter of nano silicon is preferably 500 ~ 600 orders.If the addition of these permanent anti-static materials is on the low side, then can affect the antistatic property of product; If the addition of these permanent anti-static materials is on the high side, then not only makes these materials added easily sedimentation and reunion occur in PET monomer, and the production cost of enterprise can be added.
When producing, assembling in order to avoid sedimentation occurs antistatic material in PET monomer, often needing to add a small amount of dispersion agent.Dispersion agent is generally the important component of industrial slurry, and consumption is few, and it plays stabilization by electrostatic or sterically hindered mechanism of action to slurry, makes powder be in suspended state in the slurry.Polyvinylpyrrolidone (PVP) belongs to non-ionic water-soluble high molecular polymer, and water soluble and multiple organic solvent, have the multiple premium propertiess such as bonding, thickening, suspending, dispersion, hydrotropy, complexing, film forming.Meanwhile, PVP can also reduce the agglomeration of particle in coating process, and makes it become a kind of highly effective anti-agglomeration agent because of its exclusive low viscosity effect.Polydimethyl siloxane fluid is also a kind of well auxiliary dispersants, and it has certain froth breaking effect simultaneously.The component of this case dispersion agent is preferably: the polyvinylpyrrolidone of 80 ~ 90wt% and the polydimethyl siloxane fluid of 10 ~ 20wt%.The dispersal mechanism of polyvinylpyrrolidone and polydimethyl siloxane fluid is electrostatic and space stability ultimate load effect, charged dispersant molecule layer is both by electrically charged repulsion neighboring particles itself, again because space steric effect prevents the particle of pedesis close, produce stable composition effect, thus can ensure that particle is in suspended state and does not reunite.
Below the concrete composition of raw materials of different embodiment and the performance test parameter after making PET permanent anti-static coiled material:
Table one
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details.
Claims (5)
1. a PET permanent anti-static coiled material, is characterized in that, composition of raw materials is made up of the material of following mass percentage:
Poly quinoline 2% ~ 3%;
Ni-coated graphite fiber 1% ~ 2%;
Dispersion agent 0.1% ~ 0.3%;
Surplus is polyethylene terephthalate.
2. PET permanent anti-static coiled material according to claim 1, is characterized in that, the component of described dispersion agent is: the polyvinylpyrrolidone of 80 ~ 90wt% and the polydimethyl siloxane fluid of 10 ~ 20wt%.
3. PET permanent anti-static coiled material according to claim 1, it is characterized in that, composition of raw materials is made up of the material of following mass percentage:
Surplus is polyethylene terephthalate.
4. PET permanent anti-static coiled material according to claim 1, it is characterized in that, composition of raw materials is made up of the material of following mass percentage:
Surplus is polyethylene terephthalate.
5. PET permanent anti-static coiled material according to claim 4, is characterized in that, the particle diameter of described copper nanoparticle is 500 ~ 600 orders, and the particle diameter of nano silicon is 500 ~ 600 orders.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410483133.9A CN104231570B (en) | 2014-09-19 | 2014-09-19 | A kind of PET permanent anti-static coiled material |
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| CN201410483133.9A CN104231570B (en) | 2014-09-19 | 2014-09-19 | A kind of PET permanent anti-static coiled material |
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| CN104231570A true CN104231570A (en) | 2014-12-24 |
| CN104231570B CN104231570B (en) | 2016-06-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103155706A (en) * | 2010-08-10 | 2013-06-12 | 住友化学株式会社 | Organic electroluminescent element and method of producing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103155706A (en) * | 2010-08-10 | 2013-06-12 | 住友化学株式会社 | Organic electroluminescent element and method of producing same |
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Effective date of registration: 20201230 Address after: 225600 Jiangsu province Yangzhou city Gaoyou City Ling Tong industrial concentration area Patentee after: Shituli packaging materials (Yangzhou) Co.,Ltd. Address before: 215000 Yinghu Industrial Park, Wangting Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU EXCELLENCE ENGINEERING PLASTICS Co.,Ltd. |
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