鍑濊兌娓楅忔垨灝哄鎺掗樆鑹茶氨娉曪紙GPC/SEC錛夛紝鏄祴閲忚仛鍚堢墿銆佽泲鐧借川浠ュ強楂樺垎瀛愬垎瀛愰噺錛圡W錛夌殑棣栭夋妧鏈傜敱浜庨珮鍒嗗瓙鐨勫簲鐢ㄥ箍娉涳紝鐮旂┒浜哄憳甯屾湜閫氳繃GPC/SEC緋葷粺鑾峰彇鏇村姞綺懼噯鐨勫垎瀛愰噺錛屽悓鏃舵繁鍏ヤ簡瑙ｈ仛鍚堢墿鐨勭粨鏋勭壒鎬с傚熀浜庢錛屾湰鏂囧皢鎺㈣澶氭嫻嬪櫒GPC/SEC緋葷粺濡備綍婊¤凍鐮旂┒浜哄憳鐨勯渶姹傦紝騫剁潃閲嶉槓榪板叾鍦ㄦ祴閲忚仛鐑儍鏀寲淇℃伅棰嗗煙鐨勫簲鐢ㄣ?
綰佃鍏ㄥ眬
鑱氬悎鐗╃殑鍔熻兘鐢卞垎瀛愰噺銆佸垎瀛愰噺鍒嗗竷鐘跺喌浠ュ強緇撴瀯鐗圭偣錛堜緥濡傛敮鍖栵級絳夊喅瀹氥傝岀爺絀朵漢鍛樺垯鍙互閫氳繃鏀瑰彉鑱氬悎鐗╃殑涓婅堪鐗瑰緛寮鍙戝嚭鐗瑰畾鐨勮仛鍚堢墿鏉愭枡錛屼互婊¤凍鍏蜂綋鐨勫簲鐢ㄩ渶姹傘備粠姝ゅ彲瑙侊紝璇︾粏涓旂簿鍑嗙殑鑱氬悎鐗╄〃寰佹暟鎹紝鑳藉涓烘帹鍔ㄤ駭鍝佸拰宸ヨ壓寮鍙戙佽繘琛屾湁鏁堢殑璐ㄩ噺鎺у埗鎻愪緵鍙潬鐨勪俊鎭敮鎸併?
閲囩敤GPC/SEC緋葷粺榪涜鐨勬祴閲忓垎鎴愪袱涓樁孌點傜涓涓樁孌墊槸鍦ㄩ珮鍒嗗瓙浣撶Н鐨勫熀紜涓婏紝浣跨敤寰瓟濉枡瀵瑰凡婧惰В鐨勮仛鍚堢墿榪涜鍒嗙錛涚浜屼釜闃舵鍒欐槸瀵硅鍒嗙鐨勬牱鍝佽繘琛屽垎鏋愩備絾浼犵粺鐨勫崟媯嫻嬪櫒GPC/SEC緋葷粺涓鑸槸閲囩敤紺哄樊鎶樺皠鐜囷紙RI錛夋嫻嬪櫒媯嫻嬫牱鍝佹祿搴︺備箣鍚庯紝閫氳繃鏍囧噯鏍峰搧鐢熸垚鐨勬牎姝ｆ洸綰胯繘琛岃綆楋紝寰楀埌鐩稿錛堢浉瀵逛簬鍙傝冩爣鍑嗚岃█錛夊垎瀛愰噺鍙婂叾鍒嗗竷淇℃伅銆?
浣嗕嬌鐢ㄥ崟媯嫻嬪櫒GPC/SEC緋葷粺鏃訛紝鐮旂┒浜哄憳鍙湁鍦ㄦ爣鍑嗕笌鏍峰搧鐨勫垎瀛愬瘑搴︾浉浼肩殑鎯呭喌涓嬶紝鎵嶈兘鑾峰緱綺懼噯鐨凪W銆傚彟澶栵紝鐮旂┒浜哄憳涔熸棤娉曟嫻嬪弬鑰冩牱鍝佸拰璇曟牱涔嬮棿鎴栦笉鍚岃瘯鏍蜂箣闂寸殑鍒嗗瓙瀵嗗害宸紓錛屼笖浠呭嚟鍊熷崟媯嫻嬪櫒鏇存棤娉曟礊鎮(zhèn)夎仛鍚堢墿鐨勭粨鏋勭壒寰併?
澶氭嫻嬪櫒GPC/SEC鐨勯棶涓栬兘澶熻В鍐充笂榪板瓨鍦ㄧ殑闂錛屼負鏇村姞鍏ㄩ潰鐨勪簡瑙ｈ仛鍚堢墿鐗瑰緛鎻愪緵鏀寔銆傚浘1鏄劇ず鐨勬槸閫氳繃RI媯嫻嬪櫒銆佸厜鏁ｅ皠媯嫻嬪櫒鍜岀矘搴﹁媯嫻嬪櫒錛堚滀笁閲嶆嫻嬧濓級緇勬垚鐨勫媯嫻嬪櫒闃靛垪鑾峰彇鐨勪俊鎭傚叾涓紝鍏夋暎灝勬嫻嬪櫒鑳藉鎻愪緵鏃犻渶鏍℃鐨勭粷瀵瑰垎瀛愰噺銆傝岀壒鎬х矘搴︼紙IV錛夊彲浠ラ氳繃Mark-Houwink錛圡-H錛夋柟紼?鍜屽垎瀛愰噺鐩稿叧鑱旓紝鎻愪緵楂樺垎瀛愮粨鏋勪俊鎭?
鍥?錛氱ず宸姌灝勭巼錛圧I錛夋嫻嬪櫒銆佸厜鏁ｅ皠媯嫻嬪櫒鍙婄矘搴︽嫻嬪櫒緇撳悎浣跨敤錛屽彲浼樺寲GPC/SEC緋葷粺浜х敓鐨勪俊鎭噺
榪愮敤椹皵鏂囧媯嫻嬪櫒GPC/SEC緋葷粺榪涜鏀寲媯嫻?/strong>
M-H鏇茬嚎錛堣鍥?錛夋槸浠?IV鍜孧W涓哄駭鏍囪醬緇樺埗鐨勫弻瀵規(guī)暟鏇茬嚎銆傜敱浜嶪V鏄鍒嗗瓙瀵嗗害鐨勯噺搴︼紝璇ユ洸綰垮彲浠ユ樉紺哄垎瀛愮粨鏋勯殢鍒嗗瓙閲忕殑鍙樺寲錛屼粠鑰屾彮紺烘敮鍖栧拰浜よ仈絳夌殑鐗瑰緛淇℃伅銆傝屽叿浣撶殑鏀寲紼嬪害涔熻兘澶熼氳繃鍏夋暎灝勫拰IV鏁版嵁2鑾峰緱銆傝嚦浜庤緝澶ц仛鍚堢墿鐨勬敮鍖栨瘮鍜屾敮鍖栭鐜囷紝鐮旂┒浜哄憳鍙氳繃鏃嬭漿鍗婂緞錛圧g錛夋暟鎹綆楀緱鍑猴紱鎴栭氳繃鐩存帴姣旇緝IV嫻嬮噺緇撴灉錛堝弬瑙佺瓑寮?錛夊緱鍑恒傜浜岀鏂規(guī)硶瀹炵敤鎬ф洿楂橈紝寰楀嚭鐨勭粨鏋滀篃鏇村彲闈狅紝涓旇繕閫傜敤浜庡悇縐嶅ぇ灝忕殑鑱氬悎鐗┿?
錛堝叾涓璯鈥橫 涓烘敮鍖栨瘮錛沎沙]M,br涓烘敮鍖栨牱鍝佺殑 IV錛涜孾沙]M,lin 涓虹嚎鎬ф牱鍝佺殑IV錛?
榪欑嫻嬮噺鏀寲鐨勬柟娉曞挨鍏墮傜敤浜庤仛鐑儍鐨勫垎鏋愶紝鍥犱負鐢熸垚涓庢帶鍒惰仛鐑儍鐨勬敮鍖栨槸寮鍙戙佸埗閫犲叿鏈変笉鍚岀壒鎬т駭鍝佺殑鍏抽敭銆傜劧鑰岋紝鐢變簬蹇呴』鍦ㄩ珮娓╃幆澧冧笅宸ヤ綔錛屽媯嫻嬪櫒GPC/SEC緋葷粺鍦ㄨ仛鐑儍鍒嗘瀽涓殑搴旂敤涓鐩村彈鍒伴檺鍒躲傞泦鎴愬紡澶氭嫻嬪櫒GPC/SEC緋葷粺鐨勫嚭鐜版敼鍙樹簡榪欑灞闈?-瀹冨彲鍦ㄩ珮杈?60鈩冪殑娓╁害涓嬭繘琛屾祴閲忥紝騫跺鑱氱儻鐑冪敋鑷沖寘瑕嗗～鏂欑殑鑱氱儻鐑冿紙渚嬪鐐粦3絳夛級榪涜綺懼噯銆侀珮鏁堢殑鍒嗘瀽銆?
妗堜緥鍒嗘瀽錛氬埄鐢ㄩ┈灝旀枃楂樻俯GPC/SEC緋葷粺璇勪及澶氱鑱氫箼鐑牱鍝佺殑鏀寲紼嬪害
鍦?40 oC楂樻俯涓嬶紝鐮旂┒浜哄憳浣跨敤楂樻俯涓夋嫻嬪櫒GPC/SEC緋葷粺錛堥┈灝旀枃浠櫒Viscotek HT-GPC錛夊涓夌鐩鎬技鐨勬敮鍖栬仛涔欑儻鏍峰搧涓庣嚎鎬ц仛涔欑儻鏍囧噯鏉愭枡榪涜鍒嗘瀽銆傚湪姝ゆ鍒嗘瀽涓紝鐮旂┒浜哄憳浣跨敤浜?錛?錛?-涓夋隘鑻紙TCB錛夋憾鍓備互鍙?00 ppm鎶楁哀鍓傦紝鍙畾鍚戞瘮杈冭仛鍚堢墿緇撴瀯鐗瑰緛鐨凪-H鏇茬嚎涔熸渶緇堢敓鎴愶紙鍥?錛夈?
鍥?錛歁-H鏇茬嚎琛ㄦ槑錛屾暟縐嶈仛鐑儍鏍峰搧鍦ㄦ敮鍖栫▼搴︿笂鍏鋒湁鏄捐憲宸紓銆傚叾涓紝綰㈣壊浠ｈ〃綰挎у弬鐓ф牱鍝侊紝緇胯壊浠ｈ〃鏍峰搧A錛岄粦鑹蹭唬琛ㄦ牱鍝丅錛岀傳鑹蹭唬琛ㄦ牱鍝丆
浠庡浘涓彲浠ョ湅鍒幫紝閫氳繃姣旇緝涓庣嚎鎬ц仛涔欑儻鏍囧噯鏉愭枡鐨勫樊鍒紝鎵鏈変笁涓牱鍝佸潎浜х敓浜嗘敮鍖栫幇璞★紝浣嗗畠浠殑鏀寲紼嬪害瀛樺湪鏄庢樉鐨勫尯鍒傚叿鏈夋瀬楂樼伒鏁忓害鐨凪-H鏇茬嚎璇存槑錛屼笉鍚屾牱鍝佺殑鏀寲紼嬪害鏈夌潃鏄捐憲宸紓錛岃岃繖浜涘樊寮傚皢璧嬩簣鏉愭枡涓嶅悓鐨勬ц兘銆傚湪琛?褰掔撼鐨勬暟鍊艱〃涓紝鎴戜滑鍙互鐪嬪嚭鍦ㄨ仛鍚堢墿涓婚摼涓婏紝鏍峰搧C 鍦ㄦ瘡1,000涓⒊鍘熷瓙涓殑鏀寲棰戠巼涓?.69錛涜屾牱鍝丄鐨勫搴旀暟鍊間粎涓?.94銆傝繖鎰忓懗鐫錛屽湪鑱氬悎鐗╅摼涓婃牱鍝丆鐨勬敮鍖栫偣鏇村錛岃兘澶熻鑱氬悎鐗╁叿澶囦笉鍚岀殑鎬ц兘鐗圭偣銆?
琛?錛氶氳繃楂樻俯GPC鍒嗘瀽寰楀嚭鐨勪笁縐嶈仛鐑儍鏍峰搧鐨勬敮鍖栨暟鎹?
榪欎簺緇撴灉琛ㄦ槑錛屼笌浼犵粺鍗曟嫻嬪櫒鐩告瘮錛岄┈灝旀枃涓夋嫻嬪櫒GPC/SEC緋葷粺鑳藉涓虹爺絀朵漢鍛樻彁渚涙洿澶氱殑淇℃伅錛岃屼笓闂ㄩ拡瀵硅仛鐑儍鍒嗘瀽寮鍙戠殑HT-GPC緋葷粺涔熷叿鏈夎緝楂樼殑紼沖畾鎬у茍鎻愪緵澶氱鏈変環(huán)鍊兼暟鎹傝繖灝嗕嬌鐮旂┒浜哄憳鍏峰蹇熼珮鏁堝紑鍙戞柊浜у搧鍜屾柊宸ヨ壓鐨勮兘鍔涳紝騫惰兘澶熸弧瓚寵姹備弗鏍肩殑QC榪囩▼銆?
鍙傝冩枃鐚細
1.鈥楧etermination of polymer structure by GPC鈥? Malvern Instruments application note. Available for download at:www.malvern.com.
2. 鈥楢dvanced Structural Characterization of Polyolefins 鈥?Branching using High
Temperature Triple Detection GPC鈥? J. SANCHEZ, B. SABAGH, W. S. WONG, P. CLARKE, Paper presented at ISPAC, Turin, June 2011 (http://ispac-conferences.org/ispac-2011.aspx)
3. 鈥楢ccurate and safe analysis of carbon filled polyethylene by advanced HT-GPC鈥? Malvern Instruments application note. Available for download at www.malvern.com
