WO2011075942A1 - 聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法 - Google Patents

聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法 Download PDF

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WO2011075942A1
WO2011075942A1 PCT/CN2010/002023 CN2010002023W WO2011075942A1 WO 2011075942 A1 WO2011075942 A1 WO 2011075942A1 CN 2010002023 W CN2010002023 W CN 2010002023W WO 2011075942 A1 WO2011075942 A1 WO 2011075942A1
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sulfone
segment
polydiphenyl ether
polymer
diphenyl
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PCT/CN2010/002023
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French (fr)
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吴忠文
马荣堂
曾祥斌
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金发科技股份有限公司
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Priority to EP10838508.9A priority Critical patent/EP2444446B1/en
Priority to KR1020127005487A priority patent/KR20120123012A/ko
Priority to JP2012545054A priority patent/JP2013515790A/ja
Priority to US13/504,064 priority patent/US8916674B2/en
Publication of WO2011075942A1 publication Critical patent/WO2011075942A1/zh

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/20Polysulfones
    • C08G75/23Polyethersulfones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/06Polysulfones; Polyethersulfones

Definitions

  • the invention belongs to the field of polymer materials, and particularly relates to a method for preparing a series of polydiphenyl ether sulfone and polydiphenyl ether biphenyl sulfone terpolymer in a set of production equipment by using a ternary copolymerization technique.
  • Background technique
  • Polyethersulfone is a special engineering plastic with excellent comprehensive properties, because it has heat resistance (thermal deformation temperature 200 ⁇ 220 °C), hydrolysis resistance (resistant to 150 ⁇ 160 °C hot water or steam), resistance Excellent comprehensive properties such as creep, dimensional stability, impact resistance, chemical resistance, non-toxicity, and flame retardancy, so it has been used in electrical, electronic, mechanical, automotive, hot water, medical equipment, food processing, etc. for a long time.
  • the field is widely used. At present, the international company has more than 10,000 tons of capacity based on solvay.
  • different application fields have continuously proposed the use of higher heat resistance grades, that is, the heat resistance level can be improved from the current H grade to the C grade while maintaining its mechanical properties.
  • the object of the present invention is to provide a method for preparing a series of polydiphenyl ether sulfone and a polydiphenyl ether biphenyl sulfone terpolymer in a terpolymerization system, and the present invention is directed to the presence of a high temperature resistant organic solvent. Add to the reaction system at the same time -
  • reaction steps are as follows: in a three-necked flask equipped with a thermometer, a nitrogen gas tube, a condensing water separator and a stirrer, a high-temperature organic solvent is added and stirring and heating is started, and 4, 4'-dihydroxybiphenyl, 4 is sequentially added. 4'-dichlorodiphenyl sulfone, 4, 4'-dichlorobenzene diphenyl sulfone, after all the monomers are dissolved, when the temperature is raised to 100 ° C, the ratio of 4, 4'-dihydroxybiphenyl is added to the system.
  • the value indicates that the first stage salt formation reaction is completed; at this time, the temperature of the system is raised to 230 ⁇ 236 ° C, and the polymerization is completed for 3 to 4 hours to obtain a polymer mucilage; after stopping the reaction, the polymer mucilage is directly injected into the room temperature.
  • the mixture is cooled in distilled water to obtain a strip of solid matter; after the strip solid is pulverized into a powder, the solid powder containing the polymer, the solvent and the salt is obtained by filtration; and the solid powder is added to the polymer in 10 times by weight of the ion-free water to be heated and boiled. 1 small
  • the solid powder of the polymer is repeatedly boiled 8 to 10 times in the same operation until the chloride ion content in the filtrate after boiling is checked by silver nitrate, and the boiling is finished.
  • the desired polymer is obtained by vacuum drying the resulting polymer powder to a moisture content of less than 0.5%.
  • the content of the segment I was 99%, and the content of the segment II was 1%.
  • the macroscopic physical properties of the terpolymer were equivalent to those of the polydiphenyl ether sulfone homopolymer represented by the following formula.
  • the content of the segment II is 99%, the content of the segment I is 1%, and the macroscopic physical properties of the terpolymer are equivalent to those of the polydiphenyl ether biphenyl sulfone homopolymer represented by the following formula: .
  • the solvent used herein may be sulfolane or dimethyl sulfone, and the alkali metal carbonate used may be N3 ⁇ 4C0 3 , K 2 CO 3 or a mixed salt thereof.
  • the compounding ratio of the two dichloro monomers By changing the compounding ratio of the two dichloro monomers, a terpolymer having a different ratio of molecular segment I and segment II can be obtained, and the heat resistance is in both polydiphenyl ether sulfone and polydiphenyl ether biphenyl sulfone. Between them, the Tg of the mark heat resistance level may be between 220 and 268 °C.
  • Constant temperature 3. 5 hours to ensure complete polymerization. Stirring was stopped and the polymerization mucilage was poured directly into room temperature, deionized water to cool into a strip of solid. After filtration, it was pulverized into a powder in a pulverizer. The filtered powder was then boiled in non-ionic water for 1 hour, and thus repeated 8 to 10 times until the filtrate was detected with silver nitrate, and the chloride ion content in the water was qualified.
  • the filtered polymer was vacuum dried to a moisture content of less than 0.5%, that is, the ratio of the segment I and the segment II was 99%: 1%, respectively.
  • Example 2 In the same reaction apparatus as in Example 1, 519 g of sulfolane, 93.11 g (0.500 mol) of 4,4 '-dihydroxybiphenyl, and 115.59 g (0.4025 mol) of 4,4 '-dichlorodi were respectively added in the same operation sequence. Phenyl sulfone, 50.34 g (0.100 raol) 4,4'-dichlorobenzene diphenyl sulfone, 58.3 g (0.550 mol, 10% relative to 4,4'-dihydroxybiphenyl) 1 ⁇ 2 0) 3 , 80 ml of xylene. The other steps were carried out exactly as in Example 1, to obtain a copolymer having a ratio of segment I and segment enthalpy of 80%: 20%, respectively.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法 技术领域
本发明属高分子材料领域, 具体涉及一种用三元共聚技术在一套生产设备中制备系列聚 联苯醚砜与聚联苯醚联苯砜三元共聚物的方法。 背景技术
聚醚砜是一种综合物性非常优异的特种工程塑料, 由于它具有耐热性 (热变型温度 200〜 220°C)、 耐水解性 (可耐 150〜160°C热水或蒸气)、 抗蠕变性、 尺寸稳定性、 耐冲击性、 耐化 学药品性、 无毒、 阻燃等优异的综合性能, 所以长期以来已在电气、 电子、 机械、 汽车、 热 水、医疗器具、食品加工等领域得到广泛应用。 目前国际上以 solvay公司为主已有万吨级以 上产能。 不过在长期的应用推广过程中, 不同的应用领域都不断提出了更高耐热等级的使用 要求, 即在保持其力学特性的前提下能将其耐热等级由现在的 H级提高到 C级的品种问世。 我们则是在这种市场需求的推动下, 在过去已申请的有关聚砜类专利, 如 ZL200510017259. 8 的基础上, 从分子设计原理出发, 在首先成功合成含联苯砜结构单体的前提下, 通过三元共 聚技术完成了制备更高耐热等级的含联苯砜醚结构共聚物的研究, 并申请了 200910217764. 5 专利, 本专利是在上述专利的基础上进一步完成了同时含联苯砜联苯醚结构共聚物的研究, 并完成了本专利。 发明内容
本发明的目的是提供一种在三元共聚体系中制备系列聚联苯醚砜与聚联苯醚联苯砜三元 共聚物的方法, 本发明的要旨在于在耐高温有机溶剂的存在下, 向反应体系中同时加入-
( 1 ) 4, 4' -二羟基联苯 A2
(2) 4, 4' -二氯二苯砜 B2
( 3) 4, 4' -二氯苯联苯砜 Β2' 三种单体和成盐剂碱金属碳酸盐, 在一定的升温程序和维持时间的反应条件下就可以得 到分子链中含有下述两种重复单元结构的三元共聚物,
Figure imgf000003_0001
其具体反应步骤是: 在装有温度计、 通氮气管、 冷凝分水器和搅拌器的三口烧瓶中, 加 入高温有机溶剂并开始搅拌加热, 依次加入 4, 4' -二羟基联苯、 4, 4' -二氯二苯砜、 4, 4' - 二氯苯联苯砜, 待单体全部溶解后, 升温到 lOO'C时向体系中加入比所加 4, 4' -二羟基联苯 摩尔数过量 5〜10%的碱金属碳酸盐成盐剂, 并随后加入二甲苯; 继续升温, 体系开始成盐 反应, 体系温度控制在 190〜210°C之间, 待体系出水量达到理论值时表示第一段成盐反应完 成; 此时再将体系温度升到 230〜236°C , 维持 3〜4小时即可完成聚合反应得到聚合物粘液; 停止反应后将聚合物粘液直接注入室温蒸馏水中冷却, 得到条状固体物; 将条状固体物 粉碎成粉状后, 过滤得到含有聚合物、溶剂和盐的固体粉末; 再将固体粉末加入聚合物 10倍 重量的无离子水中加热煮沸 1小时, 以除去可溶于水的溶剂和盐; 过滤后再将聚合物的固体 粉末用相同的操作反复煮沸 8〜10次,直至用硝酸银检测煮沸后的滤液中氯离子含量合格后, 结束煮沸; 将所得聚合物粉末真空干燥到水份重量含量低于 0. 5%为止, 即得到所需的三元 共聚物。
当上述两种 B型单体的配料比(即摩尔数比)分别为:
(1)Β,:Β2' ^99 : 1 %时
得到的三元共聚物中, 链段 I的含量 99%, 链段 II的含量 1 % , 三元共聚物的宏观物 性与下式所示的聚联苯醚砜均聚物相当。
Figure imgf000003_0002
(2)当 Β22' ^1 %: 99%时
得到的三元共聚物中, 链段 II的含量 99%, 链段 I的含量 1 %, 三元共聚物的宏观物 性与相应的下式所示的聚联苯醚联苯砜均聚物相当。
Figure imgf000004_0001
在两种 B型单体的配料比在上述两者之间时, 就可以得到耐热性在聚联苯醚砜与聚联苯 醚联苯砜两者之间的多种结构组成不同共聚物。
这里所用的溶剂可为环丁砜或二甲砜, 所用的碱金属碳酸盐可以是 N¾C03、 K2C03或其混 盐。
通过改变两种双氯单体的配料比就可得到分子链段 I和链段 II比例不同的三元共聚物, 其耐热性在聚联苯醚砜与聚联苯醚联苯砜两者之间, 其标志耐热等级的 Tg可在 220-268°C之 间。 具体实施方式
实施例 1:
在装有温度计、通氮气管、冷凝分水器、搅拌器的三口烧瓶中先加入 504g环丁砜后开始 搅拌升温, 并依次加入 93. llg (0. 500mol) 4,4' -二羟基联苯、 142. 87g(0. 4975mol)4, 4' -二 氯二苯砜、 2. 52g(0. 005mol) 4, 4' -二氯苯联苯砜, 继续搅拌至单体全部溶解后, 升温至 100 °C时再向体系中加入 58. 3g (0. 550mol,相对于 4, 4' -二羟基联苯过量 10%)的 Na2C03, 随后加 入 80ml二甲苯。继续搅拌下升温至成盐反应开始, 体系中生成的水与二甲苯共沸, 冷凝管中 开始有冷却液滴下, 在分水器中分层。 温度维持在 200〜210°C之间, 待上层二甲苯由混浊变 为澄清透明, 当收集水量接近理论量 (9. 0ml)时, 再继续回流 20分钟以保证成盐反应完全, 再升温至 230〜236°C即开始聚合反应。 恒温 3. 5小时保证聚合反应完全。 停止搅拌, 将聚合 粘液直接注入室温的无离子水中冷却成条状固体。 过滤后在粉碎机中粉碎成粉末状。 再将过 滤后的粉末加入无离子水中煮沸 1小时, 如此反复 8〜10次, 直至滤液用硝酸银检测, 水中 氯离子含量合格为止。
将过滤后的聚合物真空干燥至水份重量含量低于 0. 5%, 即得到链段 I和链段 II所占比 例分别为 99% : 1 %的共聚物。
用 DSC测其 Tg=220°C, 与聚联苯醚砜相当。
实施例 2: 在与实施例 1 相同的反应仪器中按相同操作顺序分别加入 519g 环丁砜、 93. llg(0.500mol)4,4 ' -二羟基联苯、 115.59g (0.4025mol)4,4 ' -二氯二苯砜、 50.34g(0.100raol)4,4' -二氯苯联苯砜, 58.3g(0.550mol,相对于 4, 4' -二羟基联苯过量 10 %)的1^20)3, 80ml二甲苯。其他步骤完全按实施例 1操作, 即可得到链段 I和链段 Π所占比 例分别为 80%: 20%的共聚物。
用 DSC测得其 Tg=231°C。
实施例 3:
在与实施例 1相同的反应仪器中按相同操作顺序分别加入 670g环丁砜、93.11g(0.50mol) 4,4' -二羟基联苯、 29.43g(0.1025mol)4,4' -二氯二苯砜、 201.36g(0.400mol)4,4' -二氯 苯联苯砜, 58.3g(0.550mol, 过量 10%)的 Na2C03, 80ml二甲苯。 其他步骤完全按实施例 1 操作, 即可得到链段 I和链段 II所占比例分别为 20%: 80%的共聚物。
用 DSC测得其 Tg=259°C。
实施例 4:
在与实施例 1 相同的反应仪器中按相同操作顺序分别加入 719g 环丁砜、 93. llg(0.500mol)4,4 ' -二羟基联苯、 2.15g ( 0.0075mol ) 4,4 ' -二氯二苯砜、 249.19g(0.495mol)4,4' -二氯苯联苯砜、 58.3g(0.550mol, 过量 10%)的 Na2C03, 80ml二甲 苯。 其他步骤完全按实施例 1操作, 即可得到链段 I和链段 II所占比例分别为 1.0%: 99.0
%的共聚物。
用 DSC测得其 Tg=268°C。 与聚联苯醚联苯砜相同。

Claims

权利要求书
1. 聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法, 其步骤如下:
(1)在装有温度计、通氮气管、冷凝分水器和搅拌器的三口烧瓶中, 加入高温有机溶剂并 开始搅拌加热,然后依次加入 4, 4' -二羟基联苯、 4, 4' -二氯二苯砜、 4, 4' -二氯苯联苯砜, 待单体全部溶解后, 升温到 10(TC时向体系中加入比所加 4, 4' -二羟基联苯摩尔数过量 5〜 10%的碱金属碳酸盐成盐剂, 并随后加入二甲苯; 继续升温, 体系幵始成盐反应, 体系温度 控制在 190〜210°C之间, 待体系出水量达到理论值时表示第一段成盐反应完成; 此时再将体 系温度升到 230〜236°C, 维持 3〜4小时即可完成聚合反应得到聚合物粘液;
(2)停止反应后将聚合物粘液直接注入室温蒸馏水中冷却,得到条状固体物;将条状固体 物粉碎成粉状后, 过滤得到含有聚合物、 溶剂和盐的固体粉末; 再将固体粉末加入聚合物 10 倍重量的无离子水中加热煮沸 1小时, 以除去可溶于水的溶剂和盐: 过滤后再将含聚合物的 固体粉末用相同的操作反复煮沸 8-10次,直至用硝酸银检测煮沸后的滤液中氯离子含量合格 后, 结束煮沸; 将所得聚合物粉末真空干燥到水份重量含量低于 0. 5%为止, 即得到含有链 段 I和链段 II的三元聚合物;
Figure imgf000006_0001
2. 如权利要求 1所述的聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法, 其特征在于: 4, 4' -二氯二苯砜与 4, 4' -二氯苯联苯砜的摩尔用量比 99%: 1 %时, 得到的三元共聚物 中, 链段 I的含量 99%, 链段 II的含量比 1 %, 三元共聚物的宏观物性与下式所示的聚联 苯醚砜均聚物相当。
Figure imgf000006_0002
3. 如权利要求 1所述的聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法, 其特征在于: 4,4' -二氯二苯砜与 4,4' -二氯苯联苯砜的摩尔用量比 1%: 99%时, 得到的三元共聚物 中, 链段 II的含量 99%, 链段 I的含量比 1%, 三元共聚物的宏观物性与下式所示的聚联 苯醚联苯砜均聚物相当。
Figure imgf000007_0001
4. 如权利要求 1所述的聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法, 其特征在于: 通过改变 4, 4' -二氯二苯砜和 4, 4' -二氯苯联苯砜的配料比,得到分子链中链段 I和链段 II 比例不同的三元共聚物, 其耐热性在聚醚砜和聚联苯砜醚两者之间, Tg在 220〜268°C之间。
5. 如权利要求 1所述的聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法, 其特征在于: 高温有机溶剂可为环丁砜或二甲砜。
6. 如权利要求 1所述的聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法, 其特征在于: 碱金属碳酸盐为 N¾C03、 K2C03或其混盐。
PCT/CN2010/002023 2009-12-23 2010-12-10 聚联苯醚砜与聚联苯醚联苯砜三元共聚物的制备方法 WO2011075942A1 (zh)

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EP10838508.9A EP2444446B1 (en) 2009-12-23 2010-12-10 Method for preparing poly (diphenyl ether sulfone) and poly (diphenyl ether diphenyl sulfone) ternary polymer
KR1020127005487A KR20120123012A (ko) 2009-12-23 2010-12-10 폴리(디페닐 에테르 술폰)과 폴리(디페닐 에테르 디페닐 술폰) 터폴리머의 제조방법
JP2012545054A JP2013515790A (ja) 2009-12-23 2010-12-10 ポリジフェニルエーテルスルホン及びポリジフェニルエーテルジフェニルスルホンの共重合体の調製方法
US13/504,064 US8916674B2 (en) 2009-12-23 2010-12-10 Method for preparing terpolymer of poly (diphenyl ether sulfone) and poly (diphenyl sulfone)

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