1.In this dissertation, poly ( methyl methacrylate-co-hydroxyethyl methacrylate) -g-polystyrene graft copolymer and star-shaped polystyrene with four arms were prepared by atom transfer radical polymerization.
本论文采用原子转移自由基聚合制备了Poly(methyl methacrylate)-g-polystyrene接枝共聚物和四臂星型聚苯乙烯。
2.Since Ostromislensky applied the first patent on the toughening of Polystyrene in 1927 and Dow Chemical Company exploited the continuum producing technique of high impact polystyrene in 1952, it has been an important task to obtain polystyrene alloys with good integrate properties by modification.
自1927年Ostromislensky申请第一个增韧聚苯乙烯的技术专利到1952年Dow化学公司成功地开发了连续生产高抗冲聚苯乙烯新工艺，改性聚苯乙烯获得综合性能优良的聚苯乙烯合金材料就一直是人们关注的一个重要课题。
3.The mechanical properties of polystyrene(sPS)/polyethylene terephthalate(PET)/of sulfonated syndiotactic polystyrene(SsPS-H) and zinc salt of sulfonated syndiotactic polystyrene (SsPS-Zn) /modified montmorillonite(MTA) composites were studied.
用保持正常熔体插层法制备了新型的间规聚苯乙烯(sPS)/聚对苯二甲酸乙二酯(PET)/磺化间规聚苯乙烯(SsPS-H)及其锌盐(SsPS-Zn)/11-氨基酸改性蒙脱土(MTA)复合材料,该材料的综合力学性能较未加MTA材料显著提高。
4.Flory-Huggins,Heil-Prausnitz and UNIFAC-FV methods were used for estimating the solvent activities for acetone-ethyl acetate-polyvinyl-acetate, acetone-methanol-polyvinylacetate, toluene-ethyl benzene-polystyrene, toluene-cyclohexane-polystyrene systems and 10 binary systems which consisted of polyvinylacetate or polystyrene with one solvent mentioned above. The results were compared with the experimental datapublished in literatures.
用Flory-Huggins法、Hell-Prausnitz法、UNIFAC-FV法计算了丙酮-乙酸乙醇-聚乙酸乙烯、内酮-甲醇-聚乙酸乙烯、甲苯-乙苯-聚苯乙烯、甲苯-环己烷-聚苯乙烯等四个三元体系和分别含有聚苯乙烯、聚乙酸乙烯的十个二元溶液体系的溶剂活度值,并与文献中的实测值进行了比较。
5.This paper introduced the usage of high cis - polybutadiene rubber UBEPOL15HB made by Thai Synthetic Rubber Co. Ltd. as modifier in producing high impact polystyrene (HIPS)492J in Polystyrene Plant in Chemical Works No.
介绍了北京燕化石油化工股份有限公司化工一厂聚苯乙烯装置选用泰国合成橡胶有限公司用日本宇部兴产公司工艺生产的高顺胶UBEPOL15HB作为生产高抗冲聚苯乙烯树脂492J的改性橡胶,并与原使用的日本瑞翁株式会社高顺胶BR12206U进行了对比,同时对工业试生产的情况进行了总结和分析。
6.The rheological behaviors of polystyrene/styrene (PS/St), high impact polystyrene/styrene (HIPS/St) and polydimethyl siloxanes (PDMS)/cydohexane solutions were measured by HAAKE type rheometer D100/300 system.
利用HAAKE流变仪的D100/300测量系统,对聚苯乙烯/苯乙烯(PS/St)、高抗冲聚苯乙烯/苯乙烯(HIPS/St)及甲基硅油/环已烷等体系的流变行为进行了测定。
7.The polystyrene froth board other name forth board,the EPS board are by includes the volatile liquid foaming agent to be possible the sending polystyrene,after heats up sends the white which heats up in the mold takes shape enable it in advance to have the tiny structure especially，mainly to use in to construct the wall,the house surface heat preservation,the compound board heat preservation,the cold storage,air conditioning,the vehicles,the ships heat preservation heat insulation,the floor heats,use and so on decoration carving is extremely widespread.
聚苯乙烯泡沫版——又名泡沫版、EPS板是由含有挥发性液体发泡剂的可发性聚苯乙烯珠粒，经加热预发后在模具中加热成型的白色物体，其有微细闭孔的结构特点，主要用于建筑墙体，屋面保湿，复合板保温，冷库、空调、车辆、船舶的保温隔热，地板采暖，装潢雕刻等用途非常广泛。
8.Flame retardant polystyrene (PS) was prepared through adding decabromodiphenyl oxide/ether (DBDPO) into PS or blending PS with brominated polystyrene (BPS).
在聚苯乙烯(PS)中填充十溴二苯醚或共混溴化聚苯乙烯(BPS)得到阻燃PS。
9.A series of rigid core/shell grafting polymer microspheres (marked[C/S]) with different particle diameter were synthesized with crosslinked polystyrene(XPS) or polystyrene(PS) as core and PS or polymethylmethacrylate(PMMA) as shell. The PVC/[C/S] systems were resulted from PVC melt blendins with[C/S].
制备了以交联聚苯乙烯(XPS)或不交联聚苯乙烯(PS)为核、以PS或聚甲基丙烯酸甲酯(PMMA)为壳、并具有不同粒径的核/壳粒子(记作C/S),再将其与PVC进行熔融共混,构成PVC/(C/S)体系。
10.1. Fe3O4 magnetic nanoparticles are prepared in the aqueous solution of the nonionic surfactant Triton X-100, and the composite nanoparticles with the structure of shell-core are prepared in the mixed system of Triton X-100 and SDBS. The shell of the composite nanoparticles of polystyrene/Fe3O4 is polystyrene and the core is Fe3O4 nanoparticles.
1．在非离子表面活性剂Triton X-100水溶液中制备Fe_3O_4磁性纳米粒子后，将所制纳米粒子与苯乙烯在非离子表面活性剂Triton X-100和阴离子表面活性剂十二烷基苯磺酸钠(SDBS)混合溶液中聚合，制得以聚苯乙烯为壳、Fe_3O_4纳米粒子为核的复合纳米粒子。
