高聚物合成工艺学(专业课)（Synthetic technology of polymers (specialized courses)）

1、高聚物合成工艺学(专业课)（Synthetic technology of polymers (specialized courses)）Radio examination-1. styrene physical properties: boiling point 145.15 degrees; freezing point -30.6 DEG C; polymerization heat 67kj/g polymerization volume shrinkage rate.The correct answer: C.17%3., the performance of engineering

2、 plastics is ().The correct answer: D. or more5. prepare unsaturated polyester resin with (section) temperature.The correct answer: B. two7., the monomer yield of thermal degradation of formaldehyde is up to ().The correct answer: D.100%A multiple-choice question-1. of thermosetting general purpose

3、plastics.Correct answer: B. phenolic resin, C. epoxy resin, D. unsaturated polyester resin2. of the following categories of PVC products are available.The correct answer: A. film, B. sheet, C., artificial leather, D. foam3. of the following natural organic materials are ().The correct answer: A. sil

4、k, B. wool, C. cotton, D. leatherThe properties of the 4., which belong to uncured epoxy resins, have ().The correct answer: A. epoxy equivalent, B. epoxy value, C. color, density, hydrolyzable chloride content, D. volatile beam5. PTFE applications include ().The correct answer: A. circuit board, B.

5、 gasket, C. anti-corrosion coating, D. disinfection filter dish6., the two types of catalytic systems used in industry are ().Correct answer: A.Phillips catalyst, B.Ziegler-Natta catalystJudgment question-4. properties of ethylene: gas at normal temperature and pressure; critical pressure 5.12MPa; c

6、ritical temperature 9.9 DEG C. Under 450 degrees of stability, more high temperature explosion decomposition, release a lot of heat.The correct answer: wrong6. 2%-4% ammonia and formaldehyde copolymer in autoclave in heating to 137-147 deg.c for several hours, the unstable part decomposition is the

7、solution method.The correct answer: wrongRadio examination-1. styrene physical properties: boiling point 145.15 degrees; freezing point -30.6 DEG C; polymerization heat 67kj/g polymerization volume shrinkage rate.The correct answer: C.17%2. () monomer is prone to thermal polymerization, and it needs

8、 to be added in the transportation and storage.The correct answer: B. styrene3. ultra high molecular weight polyethylene, molecular weight () times HDPE, synthesized and processed in a special way.The correct answer: C.104. monomers that contain only () polymerizable functional compounds (including

9、double bonds) can produce high molecular linear polymers.The correct answer: B., two6. The chain structure of polyethylene: a short number of branched chains exist along the -C-C- backbone, and the length of the branched chain is generally (1) carbon atoms.The correct answer: D.1-87. liquid phase on

10、tology key problems in the catalyst removal: () kg/gTi low efficiency, residual in the polymer catalyst amount is much, have influence on the performance of polymer.The correct answer: D.12-20A multiple-choice question-1. medium and low pressure methods in polymerization methods include.The correct

11、answer: B. gas phase bulk method, C. solution method, D. slurry method2. phenolic resin products in the form of ().The correct answer: A. brittle solid B., liquid C. aqueous solution, D. water dispersionThe properties of the 3., which belong to uncured epoxy resins, have ().The correct answer: A. ep

12、oxy equivalent, B. epoxy value, C. color, density, hydrolyzable chloride content, D. volatile beam4. when adding epoxy resin, the reason for adding concentrated NaOH solution is ().The correct answer: A. absorbs acid C. to form epoxy groups5. major categories of polystyrene include ().The correct an

13、swer: A. universal GPS B., EPS C. styrene series copolymerPreparation of catalyst in the key problem of 6. liquid phase ontology method: ().The correct answer: A., B., C., D.ED,Judgment question-1. polycarbonate PC, POM POM, polyphenylene oxide PPO belong to special engineering plastics.The correct

14、answer: wrong3. anionic polymerization is easy to obtain, the production efficiency is low, the cycle is long, and it is difficult to copolymerization.The correct answer: wrong4. copolymer structure: easy to obtain real random copolymer, or may be a mixture of homopolymer.The correct answer: wrong7.

15、 polymerization grade styrene purity =99.6%.The correct answer: wrongRadio examination-1. amino resins can be synthesized by which of the following compounds?.The correct answer: C. urea and formaldehyde3. when the amount of initiator is single volume (), the residual fraction should be 10%.The corr

16、ect answer: B.1%4. random copolymer PP-R, ethylene, 1- butene comonomer content is only ().The correct answer: C.2%-6%5. () flexibility, resistance to stress rupture increased; transparency, elongation improved.The correct answer: B. density reduction7. polyethylene under high pressure and high temp

17、erature for ()The correct answer: C. molten stateA multiple-choice question-1.4- methyl -2,6- Di tert butyl phenol, white crystalline powder, the melting point of 70 DEG C. Dissolved in () and other organic solvents. Used in food packaging films.The correct answer: A. hydrocarbons, C. ketones, D. es

18、ters2.MC nylon is characterized by ().The correct answer: B. molecular weight of up to 3.5-7 million C., simple process, D. long-term use temperature of 100 degrees3. when adding epoxy resin, the reason for adding concentrated NaOH solution is ().The correct answer: A. absorbs acid C. to form epoxy

19、groups4. of the following natural organic materials are ().The correct answer: A. silk, B. wool, C. cotton, D. leather5. polycarbonate can be divided into ().The correct answer: B. aliphatic polycarbonate C., aromatic bisphenol A polycarbonate6. blending modification means ().Correct answer: B. impr

20、oves stress cracking resistance, C. improves wear resistance, D. improves machining flowJudgment question-1., the relative molecular weight of polymers is very small, with polydispersity. Most polymers are polymerized from one or more monomers.The correct answer: wrong2. the relative density of poly

21、ethylene resins manufactured by industry: 0.855-0.970g/c.The correct answer: wrong4. anionic polymerization is easy to obtain, the production efficiency is low, the cycle is long, and it is difficult to copolymerization.The correct answer: wrong5. polymerization grade styrene purity =99.6%.The corre

22、ct answer: wrong6. hydrogen molecular weight modifier: does not contain polar compounds and unsaturated compounds, the amount of propylene for the amount of 0.5-1%.The correct answer: wrongRadio examination-When the temperature is not higher than (1.NOMEX), the electrical performance and mechanical

23、properties of the products are basically unaffected.The correct answer is D.200 degrees centigrade2. The chain structure of polyethylene: a short number of branched chains exist along the -C-C- backbone, and the length of the branched chain is generally (1) carbon atoms.The correct answer: D.1-84. t

24、he amount of resin used as a resin.The correct answer: D.0.5%-5%The melting point of 5. () is 410 DEG C and the decomposition temperature is 450 DEG C.Correct answer:6. amino resins can be synthesized by which of the following compounds?.The correct answer: C. urea and formaldehyde7. () second synth

25、etic resins, the output is only inferior to polyethylene.The correct answer: C. PVCA multiple-choice question-1., the synthetic process of polymer production, the preparation and refining of raw materials are affected.Correct answer: B. impurity C. initiator activity2. unsaturated polyester resin mo

26、nomers are ().Answer: B. C. unsaturated anhydride diols3. curing of unsaturated polyester resin requires adding (.).The correct answer: A. radical initiator, B. curing agent, styrenePreparation of catalyst in the key problem of 4. liquid phase ontology method: ().The correct answer: A., B., C., D.ED

27、,5. polycarbonate properties include ().Correct answer: A. excellent impact resistance, B. dimensional stability, C. creep resistance is better than nylon and POM D., melt viscosity is high6. natural polymers have disadvantages.The correct answer: A. production is limited, B. performance is defectiv

28、e, D. application range is narrowJudgment question-1。聚酰胺的成型加工熔点越高，结晶度越大，收缩率越小。正确答案：错3。官式反应器的特点：物料可以充分混合，反应温度均匀，可以分区操作，使各反应区具有不同的温度，分子量分布窄，且可以调节。正确答案：错单选题-1聚甲醛的热降解单体产率可达（）。正确答案：100年%2。菲利普斯催化剂对载体的要求，载体机械强度较低，空隙率高（）g；空隙体积1C / G.正确答案：3003。物料状态转化率70%，压力下降明显。PVC粉末吸收了（）左右的单体-松散的凝胶状。正确答案：d.27 %4增强聚碳酸酯可以加入增强

29、材料（）。正确答案：D.以上皆是5。超高相对分子质量聚乙烯，分子量（）倍于HDPE，用特殊的方法合成和加工。正确答案：c。6聚丙烯临界温度和临界压力分别为（）。正确答案：a.99，4.54mpa7氟塑料工业品种以聚四氟乙烯为主，占（）。正确答案：85%多选题-1影响颗粒大小的因素有（）。正确答案：A. B.聚合发生后粒径大小及分布聚合之前粒子径大小及分布2纤维素醚的分类有（）。正确答案：A. B. C. D.羟丙基甲基纤维素甲基纤维素羟乙基甲基纤维素羟丙基纤维素3本体聚合工艺最主要的工艺过程（）。正确答案：B.生产通用型GPS C抗冲聚苯乙烯臀部（加有少量溶剂）4聚酰胺的性能包括（）。正确答案

30、：A. B. C.强度好，耐冲击性优良耐摩擦与耐磨耗性优良有较好的耐腐蚀性D.使用温度100左右5溶液法的溶剂是（）。正确答案：A.汽油B.环己烷D.石油醚6添加剂有哪些（PE）。正确答案：A. B. C. D.抗静电剂抗氧剂润滑剂开口剂判断题-1。光气法界面缩聚的中和剂是5%甲酸。正确答案：对2。高聚物的生产过程：二个以上官能度（双键）单体-热固性结构（体型）高聚物。正确答案：对5。无空气和水分的纯氯乙烯很稳定，对碳钢无腐蚀作用。有氧存在时，可生成氯乙烯过氧化物，它可以水解生成盐酸从而腐蚀设备。正确答案：对6。丙烯的性质：常温常压下为气体，无色，带有甜味，可燃。正确答案：对单选题-1。转化率

31、（），游离的氯乙烯基本消失；反应在聚合物凝胶相中进行，凝胶相的粘度迅速增高，聚合速度嫉妒增加，达到最高值后降低80% - 85%停止聚合。正确答案：D 65%2。（410）的熔点，分解温度450。正确答案：3以甲醛水溶液为原料可以采用引发（）。正确答案：C.阳离子4溶液聚合的单体纯度要求高（）。正确答案：a.99 %多选题-1纤维素醚的分类有（）。正确答案：A. B. C. D.羟丙基甲基纤维素甲基纤维素羟乙基甲基纤维素羟丙基纤维素2。乙烯，聚乙烯在高温状态下二者是否互溶，形成均相状态与（）有关。正确答案：B. C. D.单体转化率温度压力3。以下属于工业上重要的热固性塑料（体型结构）的有（）

32、。正确答案：A. B. C. D.酚醛塑料环氧塑料有机硅塑料Amino plastics4.4- methyl -2,6- Di tert butyl phenol, white crystalline powder, the melting point of 70 DEG C. Dissolved in () and other organic solvents. Used in food packaging films.The correct answer: A. hydrocarbons, C. ketones, D. esters5. the propylene homopolymer was prepared in the homogeneous polymerization reactor. The homopolymer was transferred into the copolymerization kettle and then injec