聚氯乙烯结构与性能。合要是
聚氯乙烯的高分子结构、分子量及分子量分布、结晶性、聚集
状态、颗粒形态结构等物理化学性能,对聚氯乙烯的加工和制品性
能都有很大影响。因此,在掌握宏观的聚氯乙烯配方设计和制品加
工知识的同时,也要了解聚氯乙烯这些深层次的物性指标。
ys活动治安岗亭外墙装料材料筠尚pvc外墙挂板米白色长条塑料扣板
pvc外墙挂板十大品牌，杭州筠尚新材料有限公司公司荣誉出品
钢架方管骨架直接安装不需要再打底，节省成本，抗风华防晒型
2.3.1.1聚氯乙的大分子结构
(1)pvc聚氯乙烯分子链的一般结构聚氯乙烯分子链上的结构单
元-CH2- CHCE的链接方式主要是氯原子沿主链均匀排列
少数为氯原子处于相邻的碳原子上,即形成头-头结构，
,①支链结构(见活性氯结构)甲的。,大管常每
2.3.1.2聚氯乙树脂颗粒形态结构
工业上应用的聚氯乙烯树脂都是粉料形式,商品聚氯乙烯树脂
分为悬浮聚氯乙烯(SPVC)、本体聚氯乙烯(M-PVC)和乳液聚
氯乙婚(EPVC),其中悬浮聚合方法生产的聚氯乙烯树脂占绝大
多数。聚氯乙烯树脂的颗粒结构是由生产聚氯乙烯树脂的聚合方法
和工艺条件决定的,
Structure and properties of PVC.Or if
Polymer structure, molecular weight, molecular weight distribution, crystallization and aggregation of polyvinyl chloride
Physical and chemical properties, such as state, particle morphology and structure, processing and product properties of polyvinyl chloride
Can make a big difference.Therefore, master the macroscopic PVC formula design and product addition
Engineering knowledge, but also to understand the PVC these deep - level physical properties.
Ys activity security booth external wall charging material junshang PVC external wall hanging board rice white strip plastic gusset plate
Ten brands of PVC wall hanging board, produced by hangzhou yunshang new material co., LTD
Direct installation of steel frame square pipe frame does not need to be bottom again, saving cost, anti-wind and anti-sun type
2.3.1.1 macromolecular structure of polyvinyl chloride
(1) general structure of PVC molecular chain structure sheet on PVC molecular chain
The main way to link meta-ch2-chce is that chlorine atoms are evenly arranged along the main chain
A small number of chlorine atoms are on adjacent carbon atoms, namely forming head-head structure.
, branched chain structure (see active chlorine structure) of a.The big pipe often
2.3.1.2 particle morphology and structure of polyvinyl chloride resin
Industrial application of polyvinyl chloride resin are powder form, commercial polyvinyl chloride resin
It is pided into suspension polyvinyl chloride (SPVC), bulk polyvinyl chloride (m-pvc) and emulsion polymerization
Vinyl chloride (EPVC), in which the suspension polymerization of polyvinyl chloride resin production of the vast majority
The majority.The granular structure of polyvinyl chloride resin is produced by polymerization of polyvinyl chloride resin
And the process conditions,
