【正文】
?3=1+n1Vm,1=(1/?3)1=1/?2 ?= (1/?2 )1/3 溶劑的物質(zhì)的量 溶劑的摩爾體積 54 求偏導(dǎo) 3/121,211,1 ?????cmelelel MR T VnGnG ????????????代入到平衡條件中 0,1,1 ???? elM ??網(wǎng)鏈的平均分子量 3/511,2 21QVMmc ??????? ? ??聚合物的密度 溶劑的摩爾體積 Hunggins parameter 溶脹前后體積比 55 Application 3/511,2 21QVMmc ??????? ? ??(1)To obtain the Hunggins parameters (2)To obtain the average molecular weight between crosslinked points Mc (3)交聯(lián)度低時 Mc大 , Q大 即溶脹后體積增加多 56 熱 塑 彈 性 體 第 六 節(jié) Thermoplastic elastomer TPE 57 生產(chǎn)方法 聚合方法,得嵌段共聚物, TPE 機(jī)械共混法,得共混物, Ethylene propylene rubber/PP ?交聯(lián)為彈性體(橡膠)具有高彈性的條件之一,如果交聯(lián)點為物理交聯(lián),則形成熱塑彈性體。 ?兼有橡膠和塑料兩者的特性,在常溫下顯示高彈性,高溫下又能塑化成型。 58 hardsegment resins 59 ethertype softsegment 60 由長鏈二醇、二異氰酸酯、短鏈二醇或二胺合成 軟段 硬段 軟段和硬段發(fā)生相分離 聚氨酯彈性體 61 The higher permeability of urethanefilm gloves results in increased fort and handling pared with vinyl or latex. 隔離服 ?要求透氣性 Thermoplastic elastomer (TPE) films that are permeable to water vapor, or breathable, are finding increasing use in the medical industry 62 SBS StyreneButadieneStyrene Hard Soft Thermoplastic elastomer modified paving grade asphalt binder rehabilitation, in surface treatment and as waterproofing membrane 63 共混型 EPDM硫化乙丙橡膠 /PP聚丙烯 粘度大 粘度小 64 Question: With one kind of polymer? Blocks of isotactic polypropylene and blocks of atactic polypropylene To form the thermoplastic elastomer