北京化工大学：《材料导论》课程教学资源（课件讲稿）Module5 Polymeric Materials

Introduction to Materials Module 5 Polymeric Materials ■日口0■■0■ PDF文件使用"pdfFactory Pro”试用版本创建mm,fineprint.com,cn

Module 5 Polymeric Materials Introduction to Materials PDF 文件使用 "pdfFactory Pro" 试用版本创建 Üwww.fineprint.com.cn

5.1 Introduction : ■口口口■■口■ PDF文件使用"pdfFactory Pro”试用版本创建mm,fineprint,.com,c四

5.1 Introduction PDF 文件使用 "pdfFactory Pro" 试用版本创建 Üwww.fineprint.com.cn

Polymer =Macromolecule Polymer (1)made of repeat unit,(2)form long chains CC4→CC8一CgC3一C14C0 Natural Gas Gasoline Kerosene Diesel oil -Heavy Oil→ ·Polyethylene 口 ■ ■口0口■■卫■ PDF文件使用"pdfFactory Pro”试用版本创建wm,fineprint.com,cn

Polymer (1) made of repeat unit, (2) form long chains Polymer ＝Macromolecule C1~C4 C5~C8 C9~C13 C14~C20 ¼¼ Natural Gas Gasoline Kerosene Diesel oil Heavy Oil Polyethylene PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn

Bonded covalently within polymer chains Van der Waals forces between polymer chains ■口口口■■口■ PDF文件使用"pdfFactory Pro”试用版本创建，fineprint.com,cn

Bonded covalently within polymer chains Van der Waals forces between polymer chains PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿÜwww.fineprint.com.cn

General Properties >Insulation ▣Static accumulation >Easy molding ▣Difficult recycling >Transparency ▣Low mech properties >Extremely light weight Low service T >Chemical resistance ▣Aging 口 >Colorability ▣Flammable ■口口0■■D■ PDF文件使用"pdfFactory Pro”试用版本创建nm,fineprint.com,cn

ØInsulation ØEasy molding qLow mech properties ØExtremely light weight ØTransparency ØColorability qDifficult recycling qStatic accumulation qLow service T ØChemical resistance qAging qFlammable General Properties PDF 文件使用 "pdfFactory Pro" 试用版本创建 Üwww.fineprint.com.cn

Origin of Polymeric Materials l、Natural Polymers Cellulose、Lignin、Natural Rubber、Protein、Silk 2、Synthetic Polymers Polymerization ■口口口■■口■ PDF文件使用"pdfFactory Pro”试用版本创建mm,fineprint,.com,cn

Origin of Polymeric Materials 2、Synthetic Polymers —— Polymerization 1、Natural Polymers Cellulose、Lignin、Natural Rubber、Protein、Silk PDF 文件使用 "pdfFactory Pro" 试用版本创建 Üwww.fineprint.com.cn

5.1.1 Polymerization Addition Polymerization (1)Polymerization of molecules containing one carbon-carbon double bond n CH,=CH w CH,-CH-CH-CH-CH,-CHw CI CI CI CI chloroethylene polyvinyl chloride n CH,CH w CH,-CH-CH,-CH-CH,-CHw styrene polystyrene ■口口0I■0■ PDF文件使用"pdfFactory Pro”试用版本创建mm,fineprint..com,cn

5.1.1 Polymerization Addition Polymerization （1）Polymerization of molecules containing one carbon-carbon double bond n CH2 = CH - Cl CH2 -CH-CH2-CH-CH2-CH - Cl n CH2 = CH chloroethylene polyvinyl chloride styrene polystyrene - Cl - Cl CH2 -CH-CH2-CH-CH2-CH PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn

5.1.1Polymerization Addition Polymerization (2)polymerization of molecules containing conjugated double bonds 1.4 addition w CH,-CH-CH-CH,w 1,4-Polybutadiene CH,=CH-CH=CH, 1,2 addition wCH,-CH-CH,-CHww butadiene-1,3 CH=CH2 口■■■ PDF文件使用"pdfFactory Pro”试用版本创建m,fineprint.com,cn

5.1.1Polymerization Addition Polymerization （2）polymerization of molecules containing conjugated double bonds ： butadiene-1,3 1,4-Polybutadiene CH2 =CH-CH=CH2 CH2-CH -CH2-CH - C H = C H 2 - C H = C H 2 1,4 addition 1 ,2 addition CH2 -CH=CH-CH2 PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn

5.1.1Polymerization Ring-Opening Polymerization CH, CH2-0-CH2-0-CH2-0w CH2 CH, 0 wCH,-CH-0w 0 CH2-CH2 ■ ■口0口0■0■ PDF文件使用"pdfFactory Pro”试用版本创建wm,fineprint.com,cn

5.1.1Polymerization Ring-Opening Polymerization CH2 CH2 -CH2 O O O O CH2 CH2 CH2 - O -CH2 -O -CH2 -O CH2 -CH2 -O PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn

5.1.1Polymerization Condensation Polymerization: Nylon (Polyamide) H H HOOC-R-COOH+H-N-R'-N-H+HOOC-R-COOH H H H H点 N-OC-R-CO-N-R'-N-OC-R-CO-N ■ ■ ■ ■口口口■■口■ PDF文件使用"pdfFactory Pro”试用版本创建m,fineprint.com,cn

5.1.1Polymerization Condensation Polymerization： Nylon (Polyamide) HOOC - R - COOH + H-N - R’ -N-H + HOOC - R - COOH N -OC - R - CO -N - R’ -N -OC - R - CO - N H H H H H H PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn