CN104045980B - A kind of resistant to hydrolysis PET color master batch and its production and use - Google Patents
A kind of resistant to hydrolysis PET color master batch and its production and use Download PDFInfo
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- CN104045980B CN104045980B CN201410231761.8A CN201410231761A CN104045980B CN 104045980 B CN104045980 B CN 104045980B CN 201410231761 A CN201410231761 A CN 201410231761A CN 104045980 B CN104045980 B CN 104045980B
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Abstract
A kind of resistant to hydrolysis PET color master batch, be made up of PET, hydrolysis-resisting agent, toner and auxiliary addition agent, it is characterized in that each weight percentages of components is: PET? 80-96%, hydrolysis-resisting agent? 2-4%, toner 0-5%, auxiliary addition agent 1-3%, resistant to hydrolysis PET color master batch provided by the invention have resistant to hydrolysis effective, add the advantages such as non smoke in man-hour, effective ingredient volatilization loss are few, excellent transparency, and preparation method is simple and practical, industrial net aspect and the high-performance poly ester films such as high speed paper machine can be widely used in.
Description
Technical field
The present invention relates generally to technical field of polymer materials, particularly relates to a kind of resistant to hydrolysis PET color master batch and its production and use.
Background technology
PET (polyethylene terephthalate) 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, electrical insulating property is excellent, creep resistance, resistance to fatigue, and rub resistance, dimensional stability are all fine.PET has ester bond, can decompose under strong acid, highly basic and water vapor acting, organic solvent-resistant, good weatherability.Generally improve its processibility and physical property by methods such as strengthening, fill, be blended, obvious with glass fiber-reinforcing effect, improve resin rigidity, thermotolerance, resistance to chemical reagents, electric property and weathering resistance.PET color master batch has an important use to be prepare hydrolytic resistant polyester monofilament for high-speed papermaking mesh.Because the develop rapidly of paper-making industry, hydrolytic resistant polyester monofilament for high-speed papermaking mesh demand rises year by year, and time due to papermaking, the particularly high-temperature high-humidity environment in high temperature drying stage, proposes severe requirement to the wearing quality of papermaking polyester webs and resistance to hydrolysis.Therefore add suitable resistant to hydrolysis auxiliary agent, for the preparation of resistant to hydrolysis Masterbatch, thus very there is realistic meaning in order to prepare anti-aging superior monofilament polyester.Organic carbon diimine class is known, and is used as, and such as, stops the stablizer of the hydrolytic deterioration of the polyester containing ester group, describes in such as DE-A4318979, DE-4442724 and EP-A460481.Carbodiimide compound easily with the carboxylic acid reaction that generated by hydrolysis of ester group in polyester construction, generate ureide derivative, thus elimination carboxyl, precaution of hydrolysis is stretched, and plays the effect that chain rupture connects again.Carbodiimides of the present invention preferably has sterically hindered Carbodiimides, can strengthen resistance to hydrolysis and light stability, and under the precursor of observing professional hygiene rule, can join without any problems in the polymkeric substance containing ester group.Hydrolysis-resisting agent of the present invention is single carbodiimide compound (formula 1) or two carbodiimide compound (formula 2) etc., can purchase or prepare according to known references.Concrete preparation method can with reference to Chinese invention patent CN200910159208, CN201110315326.
Summary of the invention
The object of the invention is just to provide a kind of resistant to hydrolysis PET color master batch and its production and use.
The present invention is achieved by the following technical solutions:
A kind of resistant to hydrolysis PET color master batch, be made up of PET, hydrolysis-resisting agent, toner and auxiliary addition agent, it is characterized in that each weight percentages of components is: PET80-96%, hydrolysis-resisting agent 2-4%, toner 0-5%, auxiliary addition agent 1-3%, above-mentioned each weight percentages of components sum is 100%;
Described hydrolysis-resisting agent is one or both the arbitrary proportion mixture in single carbodiimide compound (formula 1) or two carbodiimide compound (formula 2),
Described toner is one or more the arbitrary proportion mixtures during polyester spins in front tinting material anthraquinone dyes, disazo dyes or Naphtocyclinon dyestuff;
Described auxiliary addition agent is the mixture of titanate coupling agent and carbonate ultrafine inorganic powder, and the add-on of carbonate ultrafine inorganic powder is 2-10 times of titanate coupling agent.
A kind of preparation method of resistant to hydrolysis PET color master batch, in high-speed mixer, batching adds PET, hydrolysis-resisting agent, toner and auxiliary addition agent in proportion successively, then with the stirring arm rotating speed of mixing machine for 300-900r/min mixes, the material melt blending on dual-screw-stem machine will mixed again, melt temperature controls at 255-300 DEG C, and screw speed is 100-300r/m, by the shearing of screw rod, mixing each auxiliary agent is uniformly dispersed in PET, then carries out granulation, dry obtained PET color master batch.
A kind of resistant to hydrolysis PET color master batch, this resistant to hydrolysis PET color master batch is for the preparation of hydrolytic resistant polyester monofilament for high-speed papermaking mesh and high-performance poly ester film.
Advantage of the present invention is:
Resistant to hydrolysis PET color master batch provided by the invention have resistant to hydrolysis effective, add the advantages such as non smoke in man-hour, effective ingredient volatilization loss are few, excellent transparency, and preparation method is simple and practical, industrial net aspect and the high-performance poly ester films such as high speed paper machine can be widely used in.
Embodiment
Embodiment 1
In high-speed mixer, add the PET of 95 weight parts successively, the hydrolysis-resisting agent of 2 weight parts, the toner (azophloxine) of 1 weight part, the calcium carbonate superfine inorganic powder of 1.5 weight parts and the titanate coupling agent (kenrich company of U.S. KR-38S) of 0.5 weight part, then with the stirring arm rotating speed of mixing machine for 700r/min mixes, the material melt blending on dual-screw-stem machine will mixed again, melt temperature controls at 278 degree, screw speed is 200r/m, by the shearing of screw rod, mixing each auxiliary agent is uniformly dispersed in PET, then granulation is carried out, dry obtained resistant to hydrolysis PET color master batch.
Embodiment 2
In high-speed mixer, add the PET of 96 weight parts successively, the hydrolysis-resisting agent of 3 weight parts, the toner of 0 weight part, the calcium carbonate superfine inorganic powder of 0.8 weight part and the titanate coupling agent (U.S. KR-TTS) of 0.2 weight part, then with the stirring arm rotating speed of mixing machine for 600r/min mixes, the material melt blending on dual-screw-stem machine will mixed again, melt temperature controls at 288 degree, screw speed is 280r/m, by the shearing of screw rod, mixing each auxiliary agent is uniformly dispersed in PET, then granulation is carried out, dry obtained resistant to hydrolysis PET color master batch.
Embodiment 3
The PET of 100 weight parts is cut into slices, adds the resistant to hydrolysis PET master batch prepared by embodiment 2 of 8 weight parts, mix, 160 degree of dryings 5 hours; Then sent in screw rod melt extruded machine by this compound, heating and melting is extruded, and extruding processing temperature is 280 degree, extrudes primary silk through spinning jet; Primary silk enters into 65 degree of water cooling formings and obtains monofilament polyester; Then this monofilament polyester is 4 times of raw footage by 90 degree of hot water education drawing-offs, in 200 degree of hot blasts, be then stretched as 10 double-lengths of raw footage again; Carry out sizing finally by 220 degree of hot blasts and obtain hydrolytic resistant polyester monofilament for high-speed papermaking mesh finished product.The diameter deviation of gained monofilament polyester finished product, breaking tenacity, the index such as elongation at break and drying shrinkage all show to have high anti-hydrolysis performance.Further, this monofilament is put into autoclave and is added the experiment of Thermal test aging resistance and show, than not adding the obtained original monofilament of resistant to hydrolysis PET master batch, from the index such as intensity and elongation, ageing resistance has great improvement.
Embodiment 4
The PET of 100 weight parts is cut into slices, adds the resistant to hydrolysis PET color master batch prepared by embodiment 1 of 10 weight parts, mix, 150 degree of dryings 4 hours; Then this compound is sent in screw rod melt extruded machine, heating and melting is extruded, extruding processing temperature is 260 degree, through being extruded into sheet, make high-performance poly ester film through two-way stretch again, the diameter deviation of gained polyester film finished product, breaking tenacity, the index such as elongation at break and drying shrinkage all show to have high anti-hydrolysis performance.
Claims (3)
1. a resistant to hydrolysis PET color master batch, be made up of PET, hydrolysis-resisting agent, toner and auxiliary addition agent, it is characterized in that each weight percentages of components is: PET80-96%, hydrolysis-resisting agent 2-4%, toner 0-5%, auxiliary addition agent 1-3%, above-mentioned each weight percentages of components sum is 100%;
Described hydrolysis-resisting agent is one or both the arbitrary proportion mixture in single carbodiimide compound formula 1 or two carbodiimide compound formula 2,
formula 1,
formula 2;
Described toner is one or more the arbitrary proportion mixtures during polyester spins in front tinting material anthraquinone dyes, disazo dyes or Naphtocyclinon dyestuff;
Described auxiliary addition agent is the mixture of titanate coupling agent and carbonate ultrafine inorganic powder, and the add-on of carbonate ultrafine inorganic powder is 2-10 times of titanate coupling agent.
2. the preparation method of resistant to hydrolysis PET color master batch described in a claim 1, it is characterized in that: in high-speed mixer, batching adds PET, hydrolysis-resisting agent, toner and auxiliary addition agent in proportion successively, then with the stirring arm rotating speed of mixing machine for 300-900r/min mixes, the material melt blending on dual-screw-stem machine will mixed again, melt temperature controls at 255-300 DEG C, screw speed is 100-300r/m, by the shearing of screw rod, mixing each auxiliary agent is uniformly dispersed in PET, then carries out granulation, dry obtained PET color master batch.
3. a kind of resistant to hydrolysis PET color master batch according to claim 1, is characterized in that: described resistant to hydrolysis PET color master batch is for the preparation of hydrolytic resistant polyester monofilament for high-speed papermaking mesh and high-performance poly ester film.
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| CN104045980B true CN104045980B (en) | 2016-01-27 |
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| EP3241866A1 (en) * | 2016-05-04 | 2017-11-08 | Clariant Plastics & Coatings Ltd | Composition for polyester hydrolytic stabilization |
| CN115612261A (en) * | 2022-10-25 | 2023-01-17 | 汉特工程塑料（浙江）有限公司 | Hydrolysis-resistant flame-retardant polyester composite material capable of being subjected to laser welding and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538225A (en) * | 2009-05-08 | 2009-09-23 | 池州万维化工有限公司 | Dual-carbodiimide class and preparation as well as anti-hydrolysis application thereof |
| CN102337008A (en) * | 2011-07-04 | 2012-02-01 | 顾方明 | Thermoplastic polyester microporous film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538225A (en) * | 2009-05-08 | 2009-09-23 | 池州万维化工有限公司 | Dual-carbodiimide class and preparation as well as anti-hydrolysis application thereof |
| CN102337008A (en) * | 2011-07-04 | 2012-02-01 | 顾方明 | Thermoplastic polyester microporous film and preparation method thereof |
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Denomination of invention: An anti hydrolysis pet masterbatch and its preparation and Application Effective date of registration: 20201010 Granted publication date: 20160127 Pledgee: Bank of China Limited Chizhou branch Pledgor: CHIZHOU WANWEI CHEMICAL Co.,Ltd. Registration number: Y2020980006677 |