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合成树脂及塑料

合成树脂及塑料

北大核心

CSTPCD

China Synthetic Resin and Plastics
专业技术性刊物。主要单位有中国石化集团公司合成树脂新产品联合开发中心，橡塑新型材料合成国家工程研究中心。报道合成树脂及塑料加工应用领域的科技进展和信息。设有专论与述评、研究与开发、工业技术、加工与应用、结构与性能、综述等栏目。读者对象为树脂研究、生产、加工、分析测试、应用、销售等部门的科技人员、管理人员和相关专业高等院校师生。
  • 发文量：3075
  • 被引量：794
  • H指数：2
  • 开始收录时间：1989(1)
  • CNKI综合因子：0.635
  • 维普期刊影响因子： 0.787
  • 万方期刊影响因子：0.72
  • 创刊时间：1984
  • 国内刊号/CN：11-2769/TQ
    国际刊号/ISSN：1002-1396
  • 发行周期：双月刊
    邮发代号：2-923
  • 主管单位：中国石油化工集团公司
    主办单位：中国石化集团资产经营管理有限公司北京燕山石化分公司 橡塑新型材料合成国家工程研究中心
合成树脂及塑料-联系信息
  • 主编：洪定一
  • 电话：010-69341924 69342439
  • 邮箱：resin.yssh@sinopec.com
  • 地址：北京市房山区燕山岗南路1号
  • 邮编：102500
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合成树脂及塑料 >2021年第002期

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  • 摘要：设计并合成了一系列9-烷氧甲基-芴甲酸酯类化合物,对其进行了核磁共振氢谱表征,并将其作内给电子体用于制备Ziegler-Natta催化剂,且对所制催化剂进行了丙烯聚合性能评价.结果表明:催化剂活性较高,用该催化剂制备的聚丙烯具有较高等规指数.此外,该催化剂在聚合过程中通过配合使用不同外给电子体能产生协同作用,在保证催化剂活性的同时提高聚丙烯等规指数.在同样的催化剂制备工艺和聚合条件下,与用邻苯二甲酸二正丁酯、9,9-双甲氧甲基芴和2,3-二异丙基琥珀酸乙酯作内给电子体的催化剂相比,该系列的部分催化剂具有相当或更优的活性和立体定向性.
  • 摘要：在300 kt/a高密度聚乙烯(HDPE)装置上进行了国产BCE-SCH100型催化剂的工业应用试验,生产了相对分子质量分布呈双峰的薄膜用HDPE HM9455F1.试用BCE-SCH100型催化剂期间,装置运行平稳,所制HM9455F1性能优良,与参比催化剂相比,BCE-SCH100型催化剂的活性达11～12 kg/g,为参比催化剂的2～3倍;氢调敏感性提高约22％,共聚合性能优良.HM9455F1粉料颗粒形态优良,粒径小于32 μm的细粉质量分数降低约92％,大幅延长了装置运行时间,降低了生产成本.
  • 摘要：综述了三维(3D)打印技术以及适用于该技术的高分子材料.可生物降解高分子材料主要有聚乙交酯、聚丙交酯、聚己内酯、乙交酯-丙交酯共聚物等,非生物降解高分子材料主要是聚芳醚酮类.采用以上原料可以制备生物医用材料(如生物材料支架、水凝胶以及假肢假体).3D打印技术应用于医学领域,首先需要建成完整的技术链和产业链,还需进一步开发种类齐全、满足医用要求、以及具有人体器官的硬度和质感的特性材料.
  • 摘要：将不同配比的1,4-丁二酸、1,4-丁二醇与己内酯(ε-CL)在氯化亚锡和对甲基苯磺酸的催化作用下进行熔融缩聚合,合成了可生物降解聚丁二酸丁二酯-聚己内酯共聚物[P (BS-co-CL)].采用核磁共振波谱仪、差示扫描量热仪、广角X射线衍射仪、偏光显微镜等对P (BS-co-CL)的结构、结晶性能、晶体形态和力学性能进行了分析.结果表明:引入ε-CL降低了聚丁二酸丁二酯(PBS)的结晶能力,改变了PBS的结晶形态,但晶体结构未发生改变,仍为单斜晶系α晶型.适当含量ε-CL的引入显著提高了P(BS-co-CL)的拉伸弹性模量和断裂拉伸应变.
  • 摘要：采用聚丙烯(PP)、硅胶颗粒为基料,以活性炭为微孔剂,经熔融挤出成型制备PP微孔材料.利用光学显微镜观察微孔材料的结构,并用孔径及比表面积测定仪测定微孔材料的微孔参数.着重考察了活性炭用量对微孔材料的结构、比表面积、平均孔径、密度及压缩强度的影响.结果表明:加入活性炭可降低PP对硅胶颗粒的包覆程度.微孔材料的比表面积随活性炭用量的增加而增大,平均孔径随活性炭用量的增加而减小.活性炭质量分数小于20％时,微孔材料的密度和压缩强度都随活性炭用量的增加而增大.
  • 摘要：采用预乳化-半连续种子乳液聚合法制备了聚丙烯酸丁酯(PBA)-聚(甲基丙烯酸甲酯-乙酸乙烯酯)[P (MMA-VAc)]核壳乳胶粒子,然后经醇解得到表层含羟基的PBA-聚(甲基丙烯酸甲酯-乙烯醇)[P(MMA-VA)]核壳乳胶粒子.采用傅里叶变换红外光谱仪、差示扫描量热仪及透射电子显微镜等表征了核壳乳胶粒子的结构和形态.结果表明:PBA-P (MMA-VAc)为核壳结构,核壳乳胶粒子的平均粒径为340 nm,其中PBA核的平均粒径为270 nm;功能单体乙酸乙烯酯(VAc)参与了壳层共聚合,并且部分P(MMA-VAc)成功接枝到PBA核上;VAc用量增加导致壳层交联度提高、玻璃化转变温度上升,当VAc用量为壳层单体质量的20％时,壳层中以化学键连接在PBA核上的乙烯醇质量分数达5.44％.
  • 摘要：利用模塑成型方法,在聚氨酯泡沫塑料中加入了易于生物降解的微晶纤维素,制备了不同填充量的外观和力学性能较好的半硬质聚氨酯泡沫塑料(SRPUF),研究了微晶纤维素用量对其力学性能的影响,确定了微晶纤维素在SRPUF中的最大填充量.结果表明:微晶纤维素的最大填充量为40 phr(质量分数为11.7％),微晶纤维素的加入使SRPUF的拉伸强度和拉断伸长率升高,且当含量分别为30,10 phr时达到最大值.微晶纤维素用量越大,降解时间越长,试样在土壤中的降解性越好,最大填充量试样降解120天后质量损失率可达5.84％.
  • 摘要：采用高温凝胶色谱仪、升温淋洗分级仪和旋转流变仪,研究了PE100级管材专用树脂的相对分子质量及其分布、化学组成及其对耐环境应力开裂性和加工性能的影响.结果表明:PE100级管材专用树脂的重均分子量约为20.0×104,相对分子质量分布约为18.0;组成按淋洗温度可分为3个组分(25～ 40,40～ 96,96～110℃);双峰PE100级管材树脂的零切黏度约为5.00×105pa·s,而单峰PE100级管材树脂约为1.00× 106Pa·s.
  • 摘要：综述了超高相对分子质量聚乙烯(UHMWPE)的热氧降解、光氧降解机理,影响降解的因素及国内外对提高其稳定性的研究进展.微量氧气引发的氧化循环可加速UHMWPE降解;氧气压力的增加及温度的提高也会加剧UHMWPE的降解;相对分子质量对UHMWPE的热稳定性影响不大.利用主辅抗氧剂发挥协同效应,可有效防止UHMWPE降解;加入多壁碳纳米管的UHMWPE具有较高的初始降解温度和质量损失速率最大时的温度,且均随着多壁碳纳米管含量的增加而升高.
  • 摘要：通过乳液聚合,以正十二硫醇作链转移剂,采用氧化-还原引发体系,使甲基丙烯酸缩水甘油酯(GMA)、甲基丙烯酸甲酯和苯乙烯单体进行自由基共聚合,获得数均分子量为5.4×103,相对分子质量分布约为3.0,环氧值为0.003 80 mol/g的GMA-MMA-St三元共聚物.分析发现:所制三元共聚物在1 255 cm-1处出现环氧基的对称振动吸收峰以及在848,909cm-1处出现两个环氧基的不对称振动吸收峰;1 620～1 680 cm-1无吸收峰,说明三元共聚物中无C=C,GMA上的环氧基基本上未开环参与反应.乳液聚合较完全,未反应单体主要是少量苯乙烯.
  • 摘要：以苯酚、甲醛为原料,氢氧化钠为催化剂,采用两步碱催化方法合成了一种高强度酚醛树脂预聚体封堵剂.考察了甲醛与苯酚摩尔比、体系pH值、反应温度和反应时间等对酚醛树脂预聚体性能的影响.结果表明:当甲醛与苯酚摩尔比为3∶1、体系pH值为9～10、反应温度为90℃、反应时间为30 min时,得到水溶性好、黏度较低的酚醛树脂预聚体,且该预聚体固化后,形成的固体强度高;封堵剂强度随酚醛树脂预聚体用量的增加而增大,当酚醛树脂预聚体的质量分数为50.0％时,填砂管模拟实验测得的突破压力梯度为40.65 MPa/m,具有很强的封堵能力.
  • 摘要：采用傅里叶变换红外光谱仪、凝胶渗透色谱仪、差示扫描量热仪和毛细管流变仪分析了小中空容器专用双峰高密度聚乙烯(HDPE)的结构特点、力学性能和加工性能.结果表明:由于特殊的链结构和相对分子质量分布呈双峰的特点,小中空容器专用双峰HDPE的力学性能优异,具有高的耐环境应力开裂性;加工性能与小中空容器专用铬系单峰HDPE相当,加工范围略窄.
  • 摘要：综述了不同类型的光固化三维(3D)打印用光敏树脂的研究进展,包括环氧丙烯酸酯、不饱和聚酯、聚酯丙烯酸酯及聚氨酯丙烯酸酯,对各树脂的合成方法、优缺点进行了比较.根据树脂的光固化速率、黏度、柔韧性、热稳定性、硬度、耐磨性、耐化学药品腐蚀性等对3D打印产品性能的影响,针对不同树脂的缺点总结了提高树脂性能的方法.此外,还指出了光固化3D打印用光敏树脂的发展趋势,为今后探索新型合成方法及树脂性能的改进提供参考.
  • 摘要：A series of poly(4-methyl-1-pentene)(TPX)/carbon nanotubes(CNTs)nanocomposites were prepared by adding mumti-wall carbon nanotubes(MWCNT),hydroxylated mumti-wall carbon nanotubes(MWCNT-OH)and carboxylic mumti-wall carbon nanotubes(MWCNT-COOH),respectively. The effects of CNTs on crystallization and mechanical properties of poly(4-methyl-1-pentene)were studied. The results show that adding CNTs has no effect on the melting temperature and crystal structure of TPX,but the crystallinity of the nanocomposite is decreased. The addition of CNTs can improve the elastic modulus of the nanocomposite. MWNT is better than MWNT-OH on increasing the elastic modulus of the nanocomposite. The elastic modulus of TPX/MWNT-COOH nanocomposite is greatly increased with the augment of MWNT-COOH content. The elastic modulus of TPX/MWNT-COOH nanocomposite reaches 257 MPa when the mass fraction of MWNT-COOH is 5.0%.%在聚4-甲基1-戊烯(TPX)中分别加入多壁碳纳米管(MWNT)、羟基化多壁碳纳米管(MWNT-OH)、羧基化多壁碳纳米管(MWNT-COOH),制备了TPX/碳纳米管(CNTs)复合材料.研究了CNTs对复合材料结晶性能与力学性能的影响.结果表明:加入CNTs对TPX的熔点与晶体结构没有影响,但复合材料的结晶度有所降低;加入CNTs可提高复合材料的弹性模量,与MWNT-OH相比,MWNT更能提高复合材料的弹性模量;随着MWNT-COOH含量的增加,TPX/MWNT-COOH复合材料的弹性模量也得到很大提高,当w(MWNT-COOH)为5.0%时,复合材料的弹性模量达257?MPa.
  • 摘要：以聚甲基丙烯酸丁酯(PBMA)和聚甲基丙烯酸十二酯(PLMA)两种吸油树脂对航空煤油和二甲苯的缓释过程为对象,研究了他们对这两种油品的吸油率(Q)、缓释保油率(Ka)以及缓释动力学过程.研究表明:PBMA和PLMA对航空煤油和二甲苯的Q都随时间延长而增大;PBMA和PLMA对航空煤油的缓释性能均较好,Ka在98%以上;对航空煤油和二甲苯,PBMA的Ka均大于PLMA;PBMA对航空煤油的缓释速率大于对二甲苯,PLMA对二甲苯的缓释速率则大于航空煤油.%The oil absorption performances of PBMA and PLMA for aviation kerosene and dimethylbenzene were studied. and Q,Ka and the controlled-release process were also analyzed. The results show that the oil-absorption of PBMA and PLMA increase with the time,PBMAAND PLMA have excellent controlled-release ability,and Ka of both are greater than 98%,For aviation kerosene and dimethylbenzene, PBMA has higher Ka than PLMA,at the same time,concerning controlled-release rate for aviation kerosent, PBMA performs better comparing with dimethylbenzene,while PLMA better for dimethylbenzene release.
  • 摘要：The interface evolution of high density polyethylene(HDPE)/bamboo flour composites processing were investigated through tracking the distribution of silicon with scanning electronic microscope-X-ray energy dispersive spectrometer(SEM-EDS),and evolution of interface was studied during the process of blending system combining with rotational rhemometer. It is founded that the content of interface silicon and dynamic modulus and viscosity increase with processing time. These phenomena reflect the increase of interaction between bamboo flour and HDPE molecular-chains and interface layer thickness. The rheological results show that viscoelastic behavior of blends are significantly different from that of HDPE matrix at lower frequency and exhibit the"solid-like"rheological behavior. It is suggested that dynamic rheological testing is sensitively response for the changes in morphologies and viscoelastic behavior of blends which resulted by the addition of silicon coupling agent. The relaxation information about interface evolution and interaction between bamboo flour and matrix can be characterized by Cole-Cole curve.%采用扫描电子显微镜-X射线能谱仪跟踪硅烷偶联剂中Si元素在高密度聚乙烯(HDPE)基竹塑共混体系界面处的分布,并结合旋转流变仪研究了共混体系加工过程中的界面演变过程.发现随着加工时间的延长,界面处Si元素的含量相对增加,体系的动态模量、黏度升高.表明偶联剂连接的竹粉与HDPE分子链间的相互作用增强,界面层厚度增加.共混体系的动态流变测试结果表明,竹粉填充体系在低频末端区的线性黏弹行为显著不同于HDPE基体,表现出"类固体"特性,动态流变测试对偶联剂的加入所引起的体系的黏弹行为及结构变化响应较敏感.Cole-Cole曲线可反映竹粉粒子网络结构及竹粉与HDPE基体界面相关的松弛信息,体现体系界面性质及竹粉与分子链间网络结构的变化.
  • 摘要：The development history of metallocene catalyst and the research progress of supported metallocene catalyst were summarized. The applications of metallocene catalyst to polyethylene, polypropylene,polystyrene,cyclic olefin copolymer and synthetic lubricant additive,etc. were analyzed. The application of metallocene catalyst to the industrial development of high value-added polyolefin would be accelerated with further researches on organic carrier properties and supported methods. The mechanical properties of linear low density polyethylene which was prepared with metallocene catalyst were better than those of normal linear low density polyethylene. And the product quality was comparable with ethylene-1-octene copolymer. The controlled polymerization of polypropylene alloys was realized by means of metallocene catalyst. The research and development in China should be focused on the supported metallocene catalyst to reduce the production cost of metallocene olefins.%综述了茂金属催化剂的发展历史及负载型茂金属催化剂的研究进展,并分析了其在聚乙烯、聚丙烯、聚苯乙烯、环状烯烃共聚物、合成润滑油添加剂等领域的应用.随着对有机载体性能、负载方法等研究的深入,将推进负载型茂金属催化剂用于高附加值聚烯烃的工业开发.茂金属线型低密度聚乙烯的力学性能优于普通线型低密度聚乙烯,产品质量可与乙烯-1-辛烯共聚物媲美.用茂金属催化剂可实现聚丙烯合金的可控聚合.国内应着力开发负载型茂金属催化剂,降低采用茂金属催化剂生产的聚烯烃成本.
  • 摘要：The authors in this paper summarized the market and application of polyethylene terephthalate(PET) for bottle at home and abroad. The production capacity, supply and demand of PET for the next few years were also predicted. In 2014,the domestic capacity and production of bottle grade PET were 10136,9588kt respectively,the operating rate reached 94.6%.It is estimated that the capacity of bottle grade PET will reach 10979kt,by 2017 and its production will reach 10323kt considering of the uncertain operating rate. The capacity of bottle grade PET in the world will increase at a rate of 5.0% and the demand of 5.8% from 2015 to 2019. The consumption of domestic bottle grade PET mainly concentrated in the food packaging. The domestic enterprises of bottle grade PET should cooperate with downstream customers to develop new applications in non-food pacakaging.%综述了国内外瓶级聚酯的市场及应用情况,并预测了未来几年的产能及供需情况.2014年,国内瓶级聚酯的产能为10 136 kt,产量为9 588 kt,开工率达94.6%;预计到2017年,瓶级聚酯产能将达到10 979 kt,考虑到开工率的不确定性,2017年瓶级聚酯的产量将达到10 323 kt.2015—2019年,预计世界瓶级聚酯的产能将以5.0%的速率增长,而需求量将以5.8%的速率增长.国内瓶级聚酯消费主要集中在食品包装上,国内瓶级聚酯生产企业应在非食品包装领域与中下游用户联手开发瓶级聚酯新用途.
  • 摘要：综述了我国建筑模板的发展历程和使用概况.木质胶合模板、组合钢模板以及竹胶模板存在高能耗、高物耗、高污染等不同程度的弊端,复合塑料建筑模板不仅符合绿色施工的要求,也是节约资源的一项重要措施,更是我国建筑模板行业未来的发展趋势.通过分析复合塑料建筑模板的特点及优势,指出了复合塑料建筑模板在我国的发展空间巨大,发展复合塑料建筑模板具有重要意义.因此,复合塑料建筑模板的发展前景广阔,将成为模板行业今后发展的主要方向.%The development course and application of construction formwork in China was summarized. The wood veneer,combination steel template and bamboo plywood framework had the disadvantages of high energy consumption,high material consumption and high pollution. The composite plastic construction formwork not only met the requirements of green construction but saved the resources as well. It was the future development trend of construction formwork industry in China. The composite plastic construction formwork in China had great development space and significance through analyzing its characteris and advantages. Therefore,the composite plastic construction formwork has broad development prospect which will become the main direction of the formwork industry.
  • 摘要：Biodegradable aliphatic poly(butylene succinate-co-ε-caprolactone) P(BS-co-CL) synthesized as a compatibilizer was added to the immiscible blends of poly(butylene succinate)/poly(ε-caprolactone)(PBS/PCL)with the aim to increase the compatibility between PBS and PCL, and then to improve the performance of the blends. The blends were prepared at 80:20 by weight using a melt blending method. The results show the addition of P(BS-co-CL) accelerated the crystallization of PCL in the blends, whereas the crystallization of PBS was retarded. The compatibilizer did not disturb the crystalline structure of the blends. The crystal growth of PBS/PCL blend was inhibited and the size of crystal became smaller. The compatibilizer enhanced the interaction between the two components. It was worth to note that the addition of 5 phr of P(BS-co-CL) copolymer had an effective compatibilizing effect on morphology and mechanical properties of PBS/PCL blend, showing reduced interfacial tension between two phases and a significant enhancement in fracture strain as compared with that of the PBS/PCL blend without compatibilizer.%采用1,4-丁二酸、1,4-丁二醇和己内酯为共聚单体,合成丁二酸丁二酯-己内酯共聚物[P(BS-co-CL)],作为聚丁二酸丁二酯(PBS)/聚己内酯(PCL)共混物的增容剂.通过将m(PBS):m(PCL)为80:20的PBS/PCL共混物与增容剂熔融共混,制备不同增容剂含量的PBS/PCL共混物.结果表明:随着增容剂P(BS-co-CL)的加入,PCL相的结晶能力增强,PBS相的结晶能力减弱;增容剂的加入未改变共混物中PBS及PCL相的晶体结构;当增容剂用量为5 phr时,共混物两相的界面相容性提高,共混物晶体生长受到抑制,晶体尺寸变小,共混物的拉伸形变显著增大.
  • 摘要：Polyoxymethylene/ Fibrous Brucite composite materials were prepared by melt blending and extrusion. The composite materials were characterized by DSC,SEM,mechanical test. The results show that titanate coupling agent is a ideal surface modifier for fibrous brucite. The fibrous brucite can reinforce polyoxymethylene. When the sample contained 15% fibrous brucite,the flexural strengthwas increased by 12.4% while the tensile strength changed slightly. Adding the fibrous brucite,the crystallinity temperature and melting temperature of POM keep largely invariant,but the degree of crystallinity reduced from 82.1% to 66.1%.%以水镁石纤维为聚甲醛(POM)的增强填料,通过熔融挤出法制备了水镁石纤维/POM复合材料,结果表明:在该复合材料体系中,钛酸酯偶联剂是比较理想的水镁石纤维表面改性剂;水镁石纤维对POM可以起到增强作用,当水镁石纤维含量为15%时,弯曲强度增大了12.4%,拉伸强度变化不大;水镁石纤维对POM的结晶温度和熔融温度影响不大,但是结晶度从82.1%降低到66.1%.
  • 摘要：The authors in this paper analyzed the basic properties,capillary and dynamic rheological properties of the imported and domestic high density polyethylene(HDPE)for intermediate bulk container (refer to as IBC barrel). The results show that the imported HDPE resins prepared with different production processes have different relative molecular mass distribution which is wider than that of domestic HDPE resin. The branching degree of imported HDPE resin is higher than that of domestic HDPE resin. The environmental stress cracking resistance time of imported HDPE resin reaches more than 2 000 hours and that of domestic HDPE resin is 840 hours. The domestic HDPE resin has higher viscosity,lower elasticity, and the domestic HDPE has better impact resistance especially for low-temperature impact resistance of 20 kJ/m2. The resultant IBC barrels can meet the need of low temperature drop test.%分析了进口和国产中型散装容器(简称IBC桶)专用高密度聚乙烯(HDPE)的基本性能、毛细管流变性能、动态流变性能.结果表明:采用不同工艺生产的进口HDPE的相对分子质量分布不同,但均较国产HDPE的宽;进口HDPE的支化度较高、耐环境应力开裂性能优异,耐环境应力开裂时间达2 000 h以上,国产HDPE由于支化度较低,耐环境应力开裂时间为840 h;国产HDPE黏度较高、弹性较低;国产HDPE的抗冲击性能较好,尤其是低温抗冲击性能达20 kJ/m2,所制IBC桶可以通过低温跌落试验.
  • 摘要：综述了乙烯-乙烯醇(EVOH)共聚物的生产技术、市场现状及发展前景、下游应用展望.由于EVOH共聚物主要用于各种包装,且大部分都与食品相关,因此,采用适当的方法生产乙烯-乙酸乙烯(EVA)共聚物是生产合适EVOH的必要条件.目前,EVA共聚物大多采用高压法连续本体聚合工艺生产,乙酸-乙烯酯摩尔分数一般为5%~40%,而EVA共聚物的醇解多采用均相皂化法.国内聚乙烯醇(PVA)生产企业应加速开发EVOH共聚物,实现EVOH共聚物的国产化,从而缓解国内供需矛盾,为PVA生产商提供新的经济效益增长点.%Ethylene-vinyl alcohol(EVOH)copolymer was widely used for packing material for its high barrier property. The authors summarized the production technology,market status,development prospect and downstream application prospect. EVOH copolymers were mainly applied for various kinds of packing which were related to food,so producing ethylene-vinyl acetate copolymer with proper methods is the necessary conditions to product appreciate EVOH copolymer. EVA copolymers were produced by high-pressure continuous bulk polymerization at present and the molar fraction of the vinyl acetate is 5%~40%. The alcoholysis of the EVA copolymer usually employs homogeneous saponification method. The enterprises in China should develop EVOH copolymer and realize its localization to relieve the imbalance between supply and demand,and new growing point of economic benefit is supplied for PVA producers.
  • 摘要：The styrene-acrylate emulsion was prepared by the way of semi-continuous core-shelled emulsion polymerization combined with pre-emulsification process, choosing reactive emulsifiers sodium dodecyl sulfate and alkylphenol ethoxylates as composite emulsifier, butyl acrylate, methyl methacrylate as soft and hard monomer respectively, methacrylic acid and SR444 as functional monomer, the potassium persulfate as initiator, NaHCO3 as buffers. The multilayered core-shell styrene-acrylic fluorine monomer modified emulsion were prepared when the reaction temperature were 70, 85, 65 ℃ respectively. The results showed that the styrene-acrylate emulsion had a good ability of stain resistance and ultraviolet resistance, and also had self-cleaning function when used as latex paint. High performance emulsion could be obtained when the mass ratios of nuclear shell, transition layer and shell were 3:4:4; the dosage of crosslinking agent SR444 was 2% of the total monomer; fluorine monomer was 3%. The three glass-transition temperatures could testify that the polymer had three layers of core-shell structure.%采用半连续核壳乳液聚合方法,并结合预乳化工艺,选用乳化剂十二烷基硫酸钠与烷基酚聚氧乙烯醚进行复配,以丙烯酸丁酯、甲基丙烯酸甲酯分别作为软硬单体,甲基丙烯酸、季戊四醇三丙烯酸酯SR444为功能性单体,过硫酸钾为引发剂,NaHCO3为缓冲剂,在反应温度分别为70,85,65 ℃时,制备了氟改性多层核壳结构丙烯酸乳液.核层、过渡层、壳层质量比为3:4:4时,交联单体SR444用量为单体总用量的2%,氟单体用量为单体总用量的3%时,可得到性能优良的乳液.所得聚合物有3个玻璃化转变温度,证实该聚合物有3层核壳结构.
  • 摘要：A series of microcapsules were successfully prepared by in-situ polymerization using poly (urea-formaldehyde)as a shell material and the solution of epoxy resin E-51 and ethyl acetate as a core material. The effects of formation rate and deposition rate of poly(urea-formaldehyde)on the morphology and structure of the microcapsules were investigated by varying the contents of urea,formaldehyde and core material. The properties and structures of the microcapsules were characterized by scanning electron microscopy(SEM),optical microscopy(OM),Fourier transform infrared spectroscopy(FTIR),and thermogravimetric analyzer(TG). The results indicate that the two kinds of poly(urea-formaldehyde) microcapsules with rough surface or smooth surface are successfully synthesized. The core material in both microcapsules has good flowability. The microcapsule with rough surface exhibits good mechanical properties and excellent thermal stability.%以脲醛树脂为囊壁、环氧树脂E-51的乙酸乙酯溶液为囊芯,采用原位聚合法成功制备了脲醛树脂包覆环氧树脂溶液的微胶囊.通过改变尿素、甲醛、芯材用量等研究了脲醛树脂生成速率和沉积速率对微胶囊形貌和结构的影响.利用扫描电子显微镜、光学显微镜、傅里叶变换红外光谱仪和热重分析仪对微胶囊进行表征.结果表明:成功制备了外表面粗糙和光滑的两种微胶囊,且这两种微胶囊的芯材都具有良好的流动性;外表面粗糙的微胶囊力学性能较好,热稳定性优良.
  • 摘要：The thermosetting phenolic resin/Al(OH)3 was used as a flame retardant coating to coat polyphenyl granule in order to change the combustion performance of polystyrene plates.By the research of the main preparation process, a kind of thermosetting polystyrene insulation foam board was made, and the problem between flame retardant and insulation was solved. The test results showed that it would not melt or shrink when the coated polystyrene plates were burning and it carbonized on the surface merely.All the performance indicators meet to the product standards. The combustion of insulation board could reach B1grade,which heat value was 20.3 MJ/kg , heat conductivity was less than 0.036 W/(m·k).%为了改变热塑性聚苯乙烯保温板的燃烧本质,采用特殊阻燃剂,即热固性酚醛树脂/Al(OH)3阻燃液对聚苯乙烯颗粒进行阻燃包覆.通过对主要制备工艺的优化研究,成功制得热固性聚苯乙烯泡沫保温板,并解决了保温板阻燃和保温相互制约的难题.结果表明:包覆改性后的聚苯乙烯板遇火燃烧时不产生熔融收缩现象,表面只是发生炭化,板材各项性能均满足标准要求,保温板燃烧性能可达B1级,热值为20.3 MJ/kg,保温系数小于0.036 0 W/(m·K).
  • 摘要：The categories,antioxidant mechanism and factors influencing antioxidant efficiency of hindered phenolic antioxidants were summarized and the development tendency of hindered phenolic antioxidants was prospected in this paper. Currently,the hindered phenolic antioxidants developed towards high stability,high antioxidant efficiency and environment-friendliness. The research will be focused on increasing the relative molecular mass of phenolic antioxidants,synthesizing reaction type phenolic antioxidant and grafting monophenolic antioxidant on the superfine powder. The research emphasis in polyphenols antioxidant will be concentrated on changing the structure of the antioxidant,simplifying the synthesis process,reducing the cost and enhancing the compatibility with basic resin and antioxidant efficiency.%综述了受阻酚类抗氧剂的种类及其抗氧化作用机理、抗氧化效率的影响因素,并展望了受阻酚类抗氧剂的发展趋势.目前,受阻酚类抗氧剂主要向高稳定性、高抗氧化效率及环境友好的目标发展.提高硫代受阻酚类抗氧剂的相对分子质量及合成反应型硫代受阻酚类抗氧剂将成为研究重点.单酚类抗氧剂与超细粉体接枝将成为重点研究方向.改变抗氧剂骨架结构,简化合成工艺,降低成本,提高与基体的相容性及抗氧化效率将成为多酚类抗氧剂的研究重点.
  • 摘要：Polyurethane foam insulation material has special properties and obvious advantages,which are applied in building insulation. External insulation materials should have good flame resistance to improve the properties of fire safety of the buildingl. The author summarized the development of polyurethane foam materials,which are halogen-free, low smoke, non-toxic. In the future,the development direct of polyurethane foam materials should turn to meet market demand, fire safety, ease of construction, low cost, cost-effective.%聚氨酯(PU)硬泡材料具有独特的隔热保温性能,在建筑保温的应用中有明显的优越性.外墙保温材料需要有良好的阻燃性,以提高建筑的防火安全.综述了无卤、低烟、无毒的阻燃PU硬泡材料研究进展,开发适应市场需求、安全防火、易施工、成本低、性价比高的PU硬泡产品是今后的发展方向.

    合成树脂及塑料的期刊信息

    • 曾用名：
    • 创刊时间：1984
    • 地区：CN
    • 语言：中文
    • 热门主题：中国石化集团资产经营管理有限公司北京燕山石化分公司;橡塑新型材料合成国家工程研究中心
    • 学科分类： 基本有机化学工业、精细与专用化学品工业;

      Chemical Engineering:Process Chemistry and Technology;Materials Science:Polymers and Plastics;

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