CN100374482C - Process for preparing copolymer containing biphenyl polyether ether-sulfone and poly(ether sulfone) - Google Patents
Process for preparing copolymer containing biphenyl polyether ether-sulfone and poly(ether sulfone) Download PDFInfo
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- CN100374482C CN100374482C CNB2006100167221A CN200610016722A CN100374482C CN 100374482 C CN100374482 C CN 100374482C CN B2006100167221 A CNB2006100167221 A CN B2006100167221A CN 200610016722 A CN200610016722 A CN 200610016722A CN 100374482 C CN100374482 C CN 100374482C
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Abstract
The present invention relates to a preparing method for terpolymer of which the benzene terminal group or the chlorine terminal group contains biphenyland polyether ether-sulfone and polyethersulfone. The preparing method comprises: firstly, adding organic solvent of which the solid content is 25 to 40%, dichlorine, bisphenol-S and dihydroxydiphenyl into a ternary polymerization reaction system; secondly, adding xylene in the reaction system; thirdly, stirring and adding 25 to 30% concentration of KOH or NaOH of which the mole number is two times of that of the bisphenol-S and the dihydroxydiphenyl when temperature is raised to 75 to 80DEG C; thirdly, when the temperature of the reaction system is raised to 220 to 250DEG C, reacting in constant temperature for 3 to 4 hours; fourthly, adding sulfone monochloride as an end capping agent of which the mole number is 2 times of insufficient mole number of dichlorine, and continuously reacting for 0.5 to 1.5 hours; when the reaction is stopped, cooling and crushing polymerized mucilage which is then repeatedly boiled in water till solvent and byproduct salt in reaction products is totally removed; finally, drying refined powder materials of the polymer in a baking oven so as to obtain the terpolymer of which the benzene terminal group or the chlorine terminal group contains biphenyland polyether ether-sulfone and polyethersulfone.
Description
Technical field
The invention belongs to polymeric material field, be specifically related to a kind of method that contains biphenyl polyether ether sulfone and polyethersulfone terpolymer of utilizing the terpolymer technology in a cover production unit, to prepare serial benzene end group or chlorine end group.
Background technology
Polyethersulfone be a kind of over-all properties than more excellent special engineering plastics, have the physical strength height, the electrical property excellence, the temperature classification height, corrosion-resistant, excellent comprehensive characteristics such as radioprotective are used widely at many industrial circles.But blemish in an otherwise perfect thing is, because its molecule chain rigidity is strong, then snappiness is lower than polyetherketone resinoid, so far can't satisfy the preparation insulated wire, electric wires etc. require the high field of resin toughness, we find in the research of the structure of being engaged in special engineering plastics for a long time and property relationship, the toughness that improves polymkeric substance is had on the basis of rule of positive effect by in polymer molecular chain, increasing flexible ehter bond, explore the terpolymer technology, by adjust ehter bond in the polymer molecular chain (thereby-O-) and the ratio of sulfuryl obtain the serial terpolymer that toughness significantly improves on the basic basis that keeps former other rerum natura of polyethersulfone resin.
Summary of the invention
The purpose of this invention is to provide a kind of preparation method, be the ratio allotment by the two chlorine of three kinds of components, bis-phenol-S, '-biphenyl diphenol in ternary copolymerization system, (in the production equipment as polyethersulfone) prepares various rerum naturas and polyethersulfone resin is basic identical but the terpolymer product that contains biphenyl polyether ether sulfone and polyethersulfone that toughness is significantly increased in a cover production equipment.
Reaction formula of the present invention is as follows:
X is adjustable arbitrarily between 0.01～0.99 in the formula.M represents K, Na, and n is 〉=1 integer, and the n-1 of two chlorine front only is expressed as and owes quantitative response.
What this step reaction obtained is that end is the polymkeric substance of terminal hydroxy group shown in (1) formula, after (1) formula of finishing is reacted, adds in system and calculates the good monochloro sulfone end-capping reagent of measuring, and can continue to react by following (2) formula, finally obtains high thermal stability benzene end group polymer.
The steps include: in the ternary copolymerization system reactor, add organic solvent tetramethylene sulfone (or dimethyl sulfone, sulfobenzide), add two chlorine (4 then in turn, 4 '-dichloro diphenyl sulfone), bis-phenol-S (4,4 '-dihydroxy diphenylsulphone) and '-biphenyl diphenol, the mole number and the bis-phenol-S of wherein two chlorine, '-biphenyl diphenol mole number sum is compared the amount of owing 0.1%～1.0%, the mole number of bis-phenol-S accounts for bis-phenol-S, the '-biphenyl diphenol mole number and 1%～99%, solid content in the solvent is (quality of the polymkeric substance that reaction back forms and polymkeric substance add the ratio of organic solvent quality) 25～40%, after adding the dimethylbenzene of organic solvent quality 10～20% again, stir, heating is all dissolved it and is warmed up to 75～80 ℃, adding mole number is bis-phenol-S, the concentration of '-biphenyl diphenol and 2 times of amounts is 25～30% KOH or NaOH, continuing to be heated to dimethylbenzene begins to reflux and responds and generate water and taken out of by azeotropic, taken out of by whole azeotropic until generating water, after the dimethylbenzene layer clarification of upper strata, begin to steam dimethylbenzene, temperature of reaction system constantly rises to 220～250 ℃ of isothermal reactions 3～4 hours, add is the end-capping reagent monochloro sulfone (4-chloro-diphenyl sulfone) of two 2 times of amounts of the chlorine amount of owing mole number again, after the continuation reaction was treated stable viscosity in 0.5～1.5 hour again, stopped reaction cools off polymerization mucus, pulverize, adding water then boils repeatedly, solvent in reactant after testing, after by-product salt is all removed, polymer powders after refining is dried in baking oven, promptly obtain benzene end group of the present invention and contain biphenyl polyether ether sulfone and polyethersulfone terpolymer resin.
It is as follows that the chlorine end group copolymer resin that obtains when two chlorine are excessive, chlorine end group contain the preparation feedback formula of biphenyl polyether ether sulfone and polyethersulfone copolymer,
X is between 0.01～0.99 in the formula, and M represents K or Na, and n is 〉=1 integer.
The steps include: in the ternary copolymerization system reactor, add organic solvent tetramethylene sulfone (or dimethyl sulfone, sulfobenzide), add two chlorine (4 then in turn, 4 '-dichloro diphenyl sulfone), bis-phenol-S (4,4 '-dihydroxy diphenylsulphone) and '-biphenyl diphenol, the mole number and the bis-phenol-S of wherein two chlorine, '-biphenyl diphenol mole number sum compares excessive 0.1%～1.0%, the mole number of bis-phenol-S accounts for bis-phenol-S, the '-biphenyl diphenol mole number and 1%～99%, solid content in the solvent is (quality of the polymkeric substance that reaction back forms and polymkeric substance add the ratio of organic solvent quality) 25～40%, after adding the dimethylbenzene of organic solvent quality 10～20% again, stir, heating is all dissolved it and is warmed up to 75～80 ℃, adding mole number is bis-phenol-S, the concentration of '-biphenyl diphenol and 2 times of amounts is 25～30% KOH or NaOH, continuing to be heated to dimethylbenzene begins to reflux and responds and generate water and taken out of by azeotropic, taken out of by whole azeotropic until generating water, after the dimethylbenzene layer clarification of upper strata, begin to steam dimethylbenzene, temperature of reaction system constantly rises to 220～250 ℃ of isothermal reactions 3～4 hours, stopped reaction cools off polymerization mucus, pulverize, adding water then boils repeatedly, solvent in reactant after testing, after by-product salt is all removed, polymer powders after refining is dried in baking oven, promptly obtain chlorine end group of the present invention and contain biphenyl polyether ether sulfone and polyethersulfone terpolymer resin.
Description of drawings
The consumption of Fig. 1: bis-phenol-S is to the influence curve of multipolymer glass transition temperature Tg.
As shown in the figure, wherein X-coordinate is bis-phenol-S proportion in the batching, when x＞98%, the Tg and the polyethersulfone of the multipolymer that obtains are suitable, be Tg=225 ℃ and (see embodiment 1 for details, 2), and when *＜2% the time, the multipolymer Tg that obtains is suitable with the poly biphenyl ether sulfone, be Tg=220 ℃ and (see embodiment 8 for details, 9), when X is between 2%～98%, obtain the terpolymer (seeing embodiment 3～7 for details) of Tg between, in addition, the part elongation at break measurement result of different components is as shown in table 1, table 1, and bis-phenol-S and '-biphenyl diphenol ratio of components are to the result that influences of multipolymer elongation at break; Table 2, end group is to the influence of polymer thermostable.
Table 1: '-biphenyl diphenol content is to the influence of toughness of polymers
| '-biphenyl diphenol content (%) | Bis-phenol-S content (%) | Tension fracture elongation rate (%) |
| 1 | 99 | 15 |
| 5 | 95 | 25 |
| 60 | 40 | 53 |
| 99 | 1 | 74 |
Result in the table 1 shows, when the elongation at break of '-biphenyl diphenol ratio of components polymkeric substance during less than 5% (seeing embodiment 1,3 for details) less than 25%, and when the ratio of components of '-biphenyl diphenol greater than 60% the time (seeing embodiment 6,7,8,9 for details), the elongation at break of polymkeric substance is all greater than 53%.
Table 2: end group is to the influence of polymer thermostable
| Sample number into spectrum | The end group kind | MI velocity of variation (%) |
| Embodiment 1 | The benzene end group | 5 |
| Embodiment 3 | The benzene end group | 2.8 |
| Embodiment 5 | The benzene end group | 4.1 |
| Comparative example 1 | The chlorine end group | 28 |
Table 2 is the result show, stable benzene end group polymer thermostability at high temperature is higher than unsettled chlorine end group polymer significantly.This result shows the end capping of this patent, and the thermotolerance of traditional chlorine end group polymer is significantly improved.
Embodiment
Embodiment 1:
Thermometer is being housed, in three mouthfuls of reaction flasks of 1000ml of logical nitrogen tube, condensation water trap, agitator, add earlier the refining tetramethylene sulfone (also can adopt dimethyl sulfone, sulfobenzide etc.) of 520g add in turn then 142.87g (0.4975mol, with respect to '-biphenyl diphenol and bis-phenol-S mole number with the 0.5mol amount of owing 0.5%) two chlorine
And 0.93g (0.005mol) '-biphenyl diphenol
And 123.88g (0.495mol) bis-phenol-S
(polymkeric substance that reaction generates is 232 grams, solid content is about 31%), add again that 78g dimethylbenzene (solvent quality 15%) back is stirred, when heating (reaction flask is placed in the electrically heated cover) makes solid all continue to be heated to 80 ℃ after the dissolving, add the alkaline solution that contains 56.11g (1.0mol) KOH again, the concentration of alkaline solution is 25%.System begins azeotropic when continuing more than the heat temperature raising to 100 ℃, there are dimethylbenzene and water to be condensed in the water trap, the upper strata refluxing xylene, lower layer of water is constantly emitted, treat that water is recycled near theoretical amount (1mol, 18ml) be in the alkaline solution the summation of moisture and KOH and bis-phenol-S and '-biphenyl diphenol water generation reaction) time, upper strata dimethylbenzene begins clear, continues backflow 20 minutes again to guarantee that moisture is taken out of fully in the system.Steam dimethylbenzene then from system, this moment, system temperature also constantly rose, and kept constant temperature to carry out polyreaction after 3 hours when temperature reaches 220 ℃, added 1.26g (0.005mol) monochloro sulfone
Proceed shown in (2) formula END CAPPED GROUP reaction stopped reaction after 1.0 hours, this moment polymer formation benzene end group.Polymkeric substance mucus is injected pulverizer cold water immediately, pulverize simultaneously, obtain pressed powder at refrigerative.
With adding in the there-necked flask behind the gained powder filter, add the 1000ml deionized water again and boiled one hour, and filter, so counter boiling 7-8 time is until using AgNO
3Solution checks that muddiness does not take place filtrate, show that chloride ion content is qualified till.
With the 130 ℃ of oven dry 12 hours in baking oven of the powder after refining, make moisture content be lower than at 0.5% o'clock, promptly obtain the benzene end group polymer of X=0.99 shown in (2) formula.
Use DSC respectively, the testing of materials and fusion index instrument, the rerum natura of product measured obtain:
Glass transition temperature Tg=225 ℃
Tension fracture elongation rate 6=15%
Dissolve index M I:350 ℃ of heating and surveyed the MI=18g/10 branch in 5 minutes,
The MI=17g/10 branch was surveyed in 350 ℃ of heating in 30 minutes,
The two is compared and has reduced by 5.0%.
Embodiment 2:
Change the ratio of components of embodiment 1, still get the refining tetramethylene sulfone of 520g, add 142.87g (0.4975mol then in turn, with respect to '-biphenyl diphenol, bis-phenol-S mole number with the 0.5mol amount of owing 0.5%) two chlorine, 1.86g '-biphenyl diphenol (0.01mol), 122.63g bis-phenol-S (0.49mol), the add-on of dimethylbenzene thereafter, KOH solution and monochloro sulfone and add conditionally complete with embodiment 1, and finish total overall reaction by same reaction conditions.Obtain carrying out refinement treatment by embodiment 1 identical method and condition fully behind the polymkeric substance, can obtain the benzene end group product of X=0.98 shown in (2) formula.The product that obtains obtains with same procedure and condition test:
Tg＝225℃
Embodiment 3:
Change the ratio of components of embodiment 1, still get the refining tetramethylene sulfone of 520g, add 142.87g (0.4975mol then in turn, with respect to '-biphenyl diphenol, bis-phenol-S mole number with the 0.5mol amount of owing 0.5%) two chlorine, 4.65g '-biphenyl diphenol (0.025mol), 118.88g bis-phenol-S (0.475mol), the add-on of dimethylbenzene thereafter, KOH solution and monochloro sulfone and add conditionally complete with embodiment 1, and finish total overall reaction by same reaction conditions.Obtain carrying out refinement treatment by embodiment 1 identical method and condition fully behind the polymkeric substance, can obtain the benzene end group product of X=0.95 shown in (2) formula.The product that obtains obtains with same procedure and condition test:
Tg＝225℃
6＝25％。
Embodiment 4:
Change the ratio of components of embodiment 1, still get the refining tetramethylene sulfone of 520g, add 142.87g (0.4975mol then in turn, with respect to '-biphenyl diphenol, bis-phenol-S mole number with the 0.5mol amount of owing 0.5%) two chlorine, 18.62g '-biphenyl diphenol (0.1mol), 100.11g (polymkeric substance that reaction generates is 225.6 grams to bis-phenol-S (0.4mol), solid content is about 30%), the add-on of dimethylbenzene thereafter, KOH solution and monochloro sulfone and add conditionally complete with embodiment 1, and finish total overall reaction by same reaction conditions.Obtain carrying out refinement treatment by embodiment 1 identical method and condition fully behind the polymkeric substance, can obtain the benzene end group product of X=0.8 shown in (2) formula.
The product that obtains obtains with same procedure and condition test:
Tg＝224℃
Embodiment 5:
Change the ratio of components of embodiment 1, add the refining tetramethylene sulfone of 520g earlier, add 142.87g (0.4975mol then in turn, the amount of owing 0.5%) two chlorine, 37.24g '-biphenyl diphenol (0.2mol), 75.08g bis-phenol-S (0.3mol), the add-on of dimethylbenzene thereafter, KOH solution and monochloro sulfone and add conditionally complete with embodiment 1, and finish total overall reaction by identical reaction conditions.Obtain carrying out the benzene end group product that refinement treatment can obtain X=0.6 shown in (2) formula by embodiment 1 same procedure and condition fully behind the polymkeric substance.
The product that obtains obtains with same procedure and condition test:
Tg＝223℃
Dissolve index M I:350 ℃ of heating and surveyed the MI=21.1g/10 branch in 5 minutes,
The MI=20.5g/10 branch was surveyed in 350 ℃ of heating in 30 minutes,
The two is compared and has descended 2.8%.
Embodiment 6:
Change the ratio of components of embodiment 1, add the refining tetramethylene sulfone of 520g earlier, add 144.30g (0.4975mol then in turn, the amount of owing 0.5%) two chlorine, 55.86g '-biphenyl diphenol (0.3mol), 50.05g bis-phenol-S (0.2mol), the add-on of dimethylbenzene thereafter, KOH solution and monochloro sulfone and add conditionally complete with embodiment 1, and finish total overall reaction by identical reaction conditions.Obtain carrying out the benzene end group product that refinement treatment can obtain X=0.4 shown in (2) formula by embodiment 1 same procedure and condition fully behind the polymkeric substance.
The product that obtains obtains with identical method and condition test:
Tg＝222℃，
6＝53％。
Embodiment 7:
Change embodiment 1 ratio of components, add the refining tetramethylene sulfone of 520g earlier, add two chlorine of 142.87g (0.4975mol, the amount of owing 0.5%) more successively, the '-biphenyl diphenol of 74.48g (0.4mol), bis-phenol-S of 25.03g (0.1mol).The add-on of dimethylbenzene thereafter, KOH solution and monochloro sulfone and add conditionally complete with embodiment 1, and finish total overall reaction by identical reaction conditions.Obtain carrying out the benzene end group product that refinement treatment can obtain X=0.2 shown in (2) formula by embodiment 1 same procedure and condition behind the polymkeric substance.
The product that obtains obtains with same procedure and condition test:
Tg＝221℃
The MI=20.4g/10 branch was surveyed in MI:350 ℃ of heating in 5 minutes,
The MI=19.6g/10 branch was surveyed in 350 ℃ of heating in 30 minutes,
The two is compared and has descended 4.1%.
Embodiment 8:
Change the ratio of components of embodiment 1, add the refining tetramethylene sulfone of 520g earlier, add two chlorine of 142.87g (0.4975mol, the amount of owing 0.5%) more successively, the '-biphenyl diphenol of 91.24g (0.49mol), bis-phenol-S of 2.50g (0.01mol).The add-on of dimethylbenzene thereafter, KOH solution and monochloro sulfone and add conditionally complete with embodiment 1, and finish reaction by same reaction conditions.Obtain carrying out refinement treatment by embodiment 1 same procedure and condition fully behind the polymkeric substance, get final product the benzene end group polymer of X=0.02 shown in (2) formula.
The product that obtains obtains with same procedure and condition test:
Tg＝220℃
6＝74％
Embodiment 9:
Change the ratio of components of embodiment 1, add the refining tetramethylene sulfone of 520g earlier, add two chlorine of 142.87g (0.4975mol, the amount of owing 0.5%) more successively, the '-biphenyl diphenol of 92.17g (0.495mol), bis-phenol-S of 1.25g (0.005mol).The add-on of dimethylbenzene thereafter, KOH solution and monochloro sulfone and add conditionally complete with embodiment 1, and finish reaction by same reaction conditions.Obtain carrying out refinement treatment by embodiment 1 same procedure and condition fully behind the polymkeric substance, get final product the benzene end group polymer of X=0.01 shown in (2) formula.
The product that obtains obtains with same procedure and condition test:
Tg＝220℃
6＝74％
Comparative example 1:
Change the ratio of components of embodiment 1, add the refining tetramethylene sulfone of 520g earlier, add 145.02g (0.5025mol more successively, with respect to the mole number of '-biphenyl diphenol and bis-phenol-S with 0.5mol excessive 0.5%) two chlorine, all the other '-biphenyl diphenols, bis-phenol-S, dimethylbenzene, KOH solution add-on is identical with embodiment 1 with the adding conditionally complete, just do not add the monochloro sulfone and finish reaction in the later stage, obtain carrying out refinement treatment according to embodiment 1 same procedure and condition fully behind the polymkeric substance, obtain *=0.99 chlorine end group polymer, the refined products that obtains recorded with identical method and condition:
Tg＝225℃
The MI=26.4g/10 branch was surveyed in MI:350 ℃ of heating in 5 minutes,
The MI=18.9g/10 branch was surveyed in 350 ℃ of heating in 30 minutes,
The two is compared and has descended 28%.
The result shows that the benzene end group polymer of embodiment 1,3,5 is at 350 ℃, after being heated 30 minutes, MI only descends in 5%, and the chlorine end group polymer of comparative example 1, the then corresponding decline 28% of MI, this shows that fully the benzene end group has significantly improved the high high-temp stability of polymkeric substance.
Claims (4)
1. the benzene end group contains the preparation method of biphenyl polyether ether sulfone and polyethersulfone copolymer, it is characterized in that: in the ternary copolymerization system reactor, add organic solvent, add 4 in turn then, 4 '-dichloro diphenyl sulfone, 4,4 '-dihydroxy diphenylsulphone and '-biphenyl diphenol, wherein 4, the mole number of 4 '-dichloro diphenyl sulfone and 4,4 '-dihydroxy diphenylsulphone and '-biphenyl diphenol mole number with compare the amount of owing 0.1%～1.0%, 4, the mole number of 4 '-dihydroxy diphenylsulphone accounts for 4,4 '-dihydroxy diphenylsulphone and '-biphenyl diphenol mole number and 1%～99%, solid content in the solvent is 25～40%, after adding the dimethylbenzene of organic solvent quality 10～20% again, stir, heating is all dissolved it and is warmed up to 75～80 ℃, adding mole number is 4,4 '-dihydroxy diphenylsulphone, the concentration of '-biphenyl diphenol and 2 times of amounts is 25～30% KOH or NaOH, continue to be heated to temperature of reaction system and rise to 220～250 ℃ of isothermal reactions 3～4 hours, adding is 4 again, the end-capping reagent 4-chloro-diphenyl sulfone of 2 times of amounts of 4 '-dichloro diphenyl sulfone amount of owing mole number, after the continuation reaction was treated stable viscosity in 0.5～1.5 hour again, stopped reaction cools off polymerization mucus, pulverize, adding water then boils repeatedly, solvent in reactant after testing, after by-product salt is all removed, polymer powders after refining is dried in baking oven, promptly obtain benzene end group of the present invention and contain biphenyl polyether ether sulfone and polyethersulfone terpolymer resin.
2. benzene end group as claimed in claim 1 contains the preparation method of biphenyl polyether ether sulfone and polyethersulfone copolymer, it is characterized in that: organic solvent is a kind of in tetramethylene sulfone, sulfobenzide or the dimethyl sulfone.
3. benzene end group as claimed in claim 1 or 2 contains the preparation method of biphenyl polyether ether sulfone and polyethersulfone copolymer, it is characterized in that: by 4,4 '-dichloro diphenyl sulfone, 4, the regulation and control of 4 '-dihydroxy diphenylsulphone and three kinds of monomeric ratio of components of '-biphenyl diphenol obtain that any contains the terpolymer of biphenyl polyether ether sulfone and polyethersulfone between Tg=220 ℃～225 ℃.
4. the chlorine end group contains the preparation method of biphenyl polyether ether sulfone and polyethersulfone copolymer, it is characterized in that: in the ternary copolymerization system reactor, add organic solvent, add 4 in turn then, 4 '-dichloro diphenyl sulfone, 4,4 '-dihydroxy diphenylsulphone and '-biphenyl diphenol, wherein 4, the mole number of 4 '-dichloro diphenyl sulfone and 4,4 '-dihydroxy diphenylsulphone and '-biphenyl diphenol mole number with compare excessive 0.1%～1.0%, 4, the mole number of 4 '-dihydroxy diphenylsulphone accounts for 4,4 '-dihydroxy diphenylsulphone and '-biphenyl diphenol mole number and 1%～99%, solid content in the solvent is 25～40%, after adding the dimethylbenzene of organic solvent quality 10～20% again, stir, heating is all dissolved it and is warmed up to 75～80 ℃, adding mole number is 4,4 '-dihydroxy diphenylsulphone, the concentration of '-biphenyl diphenol and 2 times of amounts is 25～30% KOH or NaOH, continue the reacting by heating system temperature and rise to 220～250 ℃ of isothermal reactions 3～4 hours, stopped reaction cools off polymerization mucus, pulverize, adding water then boils repeatedly, solvent in reactant after testing, after by-product salt is all removed, polymer powders after refining is dried in baking oven, promptly obtain chlorine end group of the present invention and contain biphenyl polyether ether sulfone and polyethersulfone terpolymer resin.
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| CN101704951B (en) | 2009-10-27 | 2012-01-25 | 金发科技股份有限公司 | Method for preparing terpolymer of poly-diphenyl sulphone ether and polyether sulfone |
| CN101735459B (en) * | 2009-12-23 | 2012-01-25 | 金发科技股份有限公司 | Method for preparing poly(biphenyl ether sulfone) and poly(biphenyl ether biphenyl sulfone) terpolymer |
| EP2662399B1 (en) * | 2012-05-11 | 2014-07-16 | Ems-Patent Ag | Method for producing polysulfones |
| CN102924719B (en) * | 2012-11-07 | 2015-02-18 | 金发科技股份有限公司 | Method for preparing polyether sulphone copolymer by adopting quadri-copolymerization technology |
| CN105283488B (en) * | 2014-03-14 | 2017-08-29 | 绵阳鸿琪新材料科技有限公司 | Polyether sulfone anti-static composite material and preparation method thereof |
| CN103980477B (en) * | 2014-05-22 | 2016-03-23 | 吉林大学 | A kind of method utilizing acid to stop polyarylether polymer polyreaction |
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| CN1556131A (en) * | 2003-12-31 | 2004-12-22 | 吉林大学 | Chiral polyether ketone (sulphone) seres polymer and preparation |
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