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高中化学有机化学课本知识总结

  • 2026-03-26 12:41:50
高中化学有机化学课本知识总结

1.从分子结构上看,糖类是多羟基醛、多羟基酮和它们的脱水缩合物,可分为单糖、寡糖和多糖.

2.常见的二糖有蔗糖、麦芽糖和乳糖

粉、纤维素和糖原等都属于多糖。

3.最简单的醛糖是丙醛糖,又称甘油醛

4.天然甜味剂有木糖醇、甜菊糖苷、甘草等

5.淀粉经酯化后可用于生产食品添加剂、表面活性剂和可降解塑料等

6.纤维素还可以用来制造纤维素硝酸酯硝酸纤维)、纤维素乙酸酯醋酸纤维和黏胶纤维长纤维一般称为人造丝,短纤维称为人造棉都可用于纺织工业

7.硝酸纤维:极易燃烧,可用于生产火药、塑料和涂料

8.醋酸纤维不易燃烧,是一种纺织工业原料,可用于生产塑料、过滤膜、胶片等

9.再生纤维与合成纤维统称为化学纤维。

10.天然纤维棉花、羊毛、蚕丝和麻等是大自然赋予人们的

11.再生纤维以木材、秸秆等农副产品为原料,经加工处理可以得到再生纤维

12.合成纤维以石油、天然气、煤、农副产品等为原料,将其转化为单体,再经过聚合反应得到的是合成纤维

13.六大合成纤维锦纶、涤纶、腈纶、维纶、氯纶、丙纶强度高、弹性好、耐腐蚀、不缩水、保暖

14.维纶吸湿性较好,且有“人造棉花”的美称

15.聚酯纤维合成纤维中产量最大的是聚酯纤维中的涤纶,涤纶是对苯二甲酸乙二酯纤维的商品名称,它是对苯二甲酸与乙二醇在催化剂作用下发生缩聚反应生产的

16.聚酰胺纤维己二胺与己二酸的缩聚反应,成功合成了聚己二酰己二胺纤维(又称锦纶66、尼龙66,两个数6分别代表二胺和二酸分子中所含碳原子的个数

17.没有蛋白质就没有生命。氨基酸是组成蛋白质的基本结构单位

18.组成人体内蛋白质的氨基酸有21种。其中有8种氨基酸在人体内不能合成,必须通过食物供给,这些氨基酸称为必需氨基酸

19.氨基酸主要是α- 氨基酸除甘氨酸外,一般均含有连接4个不同原子或原子团的手性碳原子,具有对映异构体

20.然氨基酸均为无色晶体,熔点较高,多在200~300℃熔化时分解。一般能溶于水,而难溶于乙醇、乙醚等有机溶剂

21.白质分子中氨基酸单体的排列顺序称为蛋白质的一级结构

22.肽键中的氧原子与氢原子之间存在氢键,会使肽链盘绕或折叠成特定的空间结构,形成蛋白质的二级结构。肽链在二级结构基础上还会进一步盘曲折叠,形成更复杂的三级结构。多个具有特定三级结构的多肽链通过非共价键相互作用(如氢键等)排列组装,形成蛋白质的四级结构。

23.淀粉酶用于食品、发酵、纺织等工业,有的酶还可用于疾病的诊断。

24.核酸是一种生物大分子核酸是由许多核苷酸单体形成的聚合物。核苷酸进一步水解得到磷酸和核苷,核苷继续水解得到戊糖和碱基

25.生物体中的单糖主要以环状结构的形式存

26.核酸可以看作磷酸、戊糖和碱基通过一定的方式结合而成的生物大分子

27.核酸分别是核糖核酸(RNA)和脱氧核糖核酸(DNA

28.碱基与戊糖缩合形成核苷,核苷与磷酸缩合形成了组成核酸的基本单元——核苷酸,核苷酸缩合聚合可以得到核酸

29.高分子材料按用途和性能可分为通用高分子材料(包括塑料、合成纤维、合成橡胶、黏合剂、涂料等)和功能高分子材料(包括高分子分离膜、导电高分子、医用高分子、高吸水性树脂等)等类别

30.塑料的主要成分是合成树脂聚乙烯、聚氯乙烯、聚丙烯、聚苯乙烯、酚醛树脂、脲醛树脂

31.聚氯乙烯薄膜的透明性好,具有防潮、防水、绝缘等性能,广泛用作包装袋、雨衣、桌布、窗帘、塑料大棚

32.高压法聚乙烯低密度聚乙烯):含有较多支链软化温度低(105-120

低压法聚乙烯高密度聚乙烯):含有较支链软化温度高(120-140

33.聚乙烯、聚氯乙烯等制成的塑料制品可以反复加热熔融加工,是热塑性塑料;

34.酚醛树脂等制成的塑料制品不能加热熔融,只能一次成型,是热固性塑料

35.酚醛树脂主要用作绝缘、隔热、阻燃、隔音材料和复合材料,可用于生产烹饪器具的手柄,

一些电器与汽车的零部件,火箭发动机、返回式卫星和宇宙飞船外壳等的烧蚀材料。

36.顺丁橡胶是以1,3-丁二烯为原料,在催化剂作用下发生加聚反应得到的以顺式结构为主的聚合物。

37.橡胶聚合物呈线型结构,分子链较柔软,性能较差。将其与硫等硫化剂混合后加热,硫化剂将聚合物中的双键打开,以二硫键(—S—S—)等把线型结构连接为网状结构,得到既有弹性又有强度的顺丁橡胶。但硫化交联的程度不宜过大,否则会使橡胶失去弹性。顺丁橡胶具有很好的弹性,耐磨、耐寒性好,主要用于制造轮胎

38.天然橡胶是异戊二烯的聚合物,具有顺式结构,称为顺式聚异戊二烯。天然橡胶原为线型高分子,硫化后转变成网状结构,增加了它的强度与弹性。

39.某些特殊化学、物理及医学功能的高分子材料。功能高分子 用于化学反应的高分子催化剂,用于分离纯化的各种滤膜,用于信息存储的磁性高分子,用于传感器的形状记 忆高分子,用于吸水保水的高吸水性材料,可以替代人体器官、组织的医用高分子材料,用于药物缓释的高分子药物。

40.高吸水性树脂

比棉花和纸张的吸水性更好,且耐挤压、保水性好的高吸水性材料,可以有两种思路:一是改造纤维素或淀粉分子,接入强亲水基团;二是合成新的带有强亲水基团的高分子。

41. 高分子分离膜 

天然存在的物质和人工合成得到的产物往往是不纯的,需要经过分离纯化才能得到较纯的物质。生产分离膜的材料主要是有机高分子材料,如醋酸纤维、芳香族聚酰胺、聚丙烯、聚四氟乙烯等。

高分子分离膜已广泛用于海水淡化和饮用水的制取,以及果汁浓缩、乳制品加工、药物提纯、血液透析等领域。

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  1. CONNECT:[ UseTime:0.000598s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000589s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000299s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.010348s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000560s ]
  6. SELECT * FROM `set` [ RunTime:0.000672s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000711s ]
  8. SELECT * FROM `article` WHERE `id` = 460822 LIMIT 1 [ RunTime:0.001499s ]
  9. UPDATE `article` SET `lasttime` = 1775475256 WHERE `id` = 460822 [ RunTime:0.002883s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000291s ]
  11. SELECT * FROM `article` WHERE `id` < 460822 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.006703s ]
  12. SELECT * FROM `article` WHERE `id` > 460822 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004860s ]
  13. SELECT * FROM `article` WHERE `id` < 460822 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.051671s ]
  14. SELECT * FROM `article` WHERE `id` < 460822 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012452s ]
  15. SELECT * FROM `article` WHERE `id` < 460822 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001070s ]
0.164087s